Nick Lewycky | e3365aa | 2010-09-23 23:48:20 +0000 | [diff] [blame] | 1 | //===--- Tools.cpp - Tools Implementations --------------------------------===// |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "Tools.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 11 | #include "InputInfo.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 12 | #include "ToolChains.h" |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 13 | #include "clang/Basic/CharInfo.h" |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 14 | #include "clang/Basic/LangOptions.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 15 | #include "clang/Basic/ObjCRuntime.h" |
Kevin Enderby | 0234179 | 2013-01-17 21:38:06 +0000 | [diff] [blame] | 16 | #include "clang/Basic/Version.h" |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 17 | #include "clang/Config/config.h" |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 18 | #include "clang/Driver/Action.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 19 | #include "clang/Driver/Compilation.h" |
Daniel Dunbar | ee848a7 | 2009-10-29 02:39:57 +0000 | [diff] [blame] | 20 | #include "clang/Driver/Driver.h" |
| 21 | #include "clang/Driver/DriverDiagnostic.h" |
Daniel Dunbar | 871adcf | 2009-03-18 07:06:02 +0000 | [diff] [blame] | 22 | #include "clang/Driver/Job.h" |
Daniel Dunbar | 265e9ef | 2009-11-19 04:25:22 +0000 | [diff] [blame] | 23 | #include "clang/Driver/Options.h" |
Alexey Samsonov | 1b8f12d | 2013-08-19 09:14:21 +0000 | [diff] [blame] | 24 | #include "clang/Driver/SanitizerArgs.h" |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 25 | #include "clang/Driver/ToolChain.h" |
Daniel Dunbar | 871adcf | 2009-03-18 07:06:02 +0000 | [diff] [blame] | 26 | #include "clang/Driver/Util.h" |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 27 | #include "llvm/ADT/STLExtras.h" |
Daniel Dunbar | 8813764 | 2009-09-09 22:32:48 +0000 | [diff] [blame] | 28 | #include "llvm/ADT/SmallString.h" |
Hans Wennborg | dc40bf9 | 2013-09-20 18:16:35 +0000 | [diff] [blame] | 29 | #include "llvm/ADT/StringExtras.h" |
Douglas Gregor | 55d3f7a | 2009-10-29 00:41:01 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringSwitch.h" |
Daniel Dunbar | 5b750fe | 2009-09-09 22:32:34 +0000 | [diff] [blame] | 31 | #include "llvm/ADT/Twine.h" |
Reid Kleckner | b1e25a1 | 2013-06-14 17:17:23 +0000 | [diff] [blame] | 32 | #include "llvm/Option/Arg.h" |
| 33 | #include "llvm/Option/ArgList.h" |
| 34 | #include "llvm/Option/Option.h" |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 35 | #include "llvm/Support/Compression.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 36 | #include "llvm/Support/ErrorHandling.h" |
Michael J. Spencer | 32bef4e | 2011-01-10 02:34:13 +0000 | [diff] [blame] | 37 | #include "llvm/Support/FileSystem.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 38 | #include "llvm/Support/Host.h" |
Hans Wennborg | dc40bf9 | 2013-09-20 18:16:35 +0000 | [diff] [blame] | 39 | #include "llvm/Support/Path.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 40 | #include "llvm/Support/Process.h" |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 41 | #include "llvm/Support/Program.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 42 | #include "llvm/Support/raw_ostream.h" |
Daniel Dunbar | 871adcf | 2009-03-18 07:06:02 +0000 | [diff] [blame] | 43 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 44 | #ifdef LLVM_ON_UNIX |
| 45 | #include <unistd.h> // For getuid(). |
| 46 | #endif |
| 47 | |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 48 | using namespace clang::driver; |
| 49 | using namespace clang::driver::tools; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 50 | using namespace clang; |
Reid Kleckner | b1e25a1 | 2013-06-14 17:17:23 +0000 | [diff] [blame] | 51 | using namespace llvm::opt; |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 52 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 53 | static void addAssemblerKPIC(const ArgList &Args, ArgStringList &CmdArgs) { |
| 54 | Arg *LastPICArg = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC, |
| 55 | options::OPT_fpic, options::OPT_fno_pic, |
| 56 | options::OPT_fPIE, options::OPT_fno_PIE, |
| 57 | options::OPT_fpie, options::OPT_fno_pie); |
| 58 | if (!LastPICArg) |
| 59 | return; |
| 60 | if (LastPICArg->getOption().matches(options::OPT_fPIC) || |
| 61 | LastPICArg->getOption().matches(options::OPT_fpic) || |
| 62 | LastPICArg->getOption().matches(options::OPT_fPIE) || |
| 63 | LastPICArg->getOption().matches(options::OPT_fpie)) { |
| 64 | CmdArgs.push_back("-KPIC"); |
| 65 | } |
| 66 | } |
| 67 | |
Daniel Dunbar | 88a3d6c | 2009-09-10 01:21:05 +0000 | [diff] [blame] | 68 | /// CheckPreprocessingOptions - Perform some validation of preprocessing |
| 69 | /// arguments that is shared with gcc. |
| 70 | static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 71 | if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC)) { |
| 72 | if (!Args.hasArg(options::OPT_E) && !Args.hasArg(options::OPT__SLASH_P) && |
| 73 | !Args.hasArg(options::OPT__SLASH_EP) && !D.CCCIsCPP()) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 74 | D.Diag(diag::err_drv_argument_only_allowed_with) |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 75 | << A->getBaseArg().getAsString(Args) |
| 76 | << (D.IsCLMode() ? "/E, /P or /EP" : "-E"); |
| 77 | } |
| 78 | } |
Daniel Dunbar | 88a3d6c | 2009-09-10 01:21:05 +0000 | [diff] [blame] | 79 | } |
| 80 | |
Daniel Dunbar | e2fd664 | 2009-09-10 01:21:12 +0000 | [diff] [blame] | 81 | /// CheckCodeGenerationOptions - Perform some validation of code generation |
| 82 | /// arguments that is shared with gcc. |
| 83 | static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { |
| 84 | // In gcc, only ARM checks this, but it seems reasonable to check universally. |
| 85 | if (Args.hasArg(options::OPT_static)) |
| 86 | if (const Arg *A = Args.getLastArg(options::OPT_dynamic, |
| 87 | options::OPT_mdynamic_no_pic)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 88 | D.Diag(diag::err_drv_argument_not_allowed_with) |
Daniel Dunbar | e2fd664 | 2009-09-10 01:21:12 +0000 | [diff] [blame] | 89 | << A->getAsString(Args) << "-static"; |
| 90 | } |
| 91 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 92 | // Add backslashes to escape spaces and other backslashes. |
| 93 | // This is used for the space-separated argument list specified with |
| 94 | // the -dwarf-debug-flags option. |
| 95 | static void EscapeSpacesAndBackslashes(const char *Arg, |
| 96 | SmallVectorImpl<char> &Res) { |
| 97 | for ( ; *Arg; ++Arg) { |
| 98 | switch (*Arg) { |
| 99 | default: break; |
| 100 | case ' ': |
| 101 | case '\\': |
| 102 | Res.push_back('\\'); |
| 103 | break; |
| 104 | } |
| 105 | Res.push_back(*Arg); |
| 106 | } |
| 107 | } |
| 108 | |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 109 | // Quote target names for inclusion in GNU Make dependency files. |
| 110 | // Only the characters '$', '#', ' ', '\t' are quoted. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 111 | static void QuoteTarget(StringRef Target, |
| 112 | SmallVectorImpl<char> &Res) { |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 113 | for (unsigned i = 0, e = Target.size(); i != e; ++i) { |
| 114 | switch (Target[i]) { |
| 115 | case ' ': |
| 116 | case '\t': |
| 117 | // Escape the preceding backslashes |
| 118 | for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j) |
| 119 | Res.push_back('\\'); |
| 120 | |
| 121 | // Escape the space/tab |
| 122 | Res.push_back('\\'); |
| 123 | break; |
| 124 | case '$': |
| 125 | Res.push_back('$'); |
| 126 | break; |
| 127 | case '#': |
| 128 | Res.push_back('\\'); |
| 129 | break; |
| 130 | default: |
| 131 | break; |
| 132 | } |
| 133 | |
| 134 | Res.push_back(Target[i]); |
| 135 | } |
| 136 | } |
| 137 | |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 138 | static void addDirectoryList(const ArgList &Args, |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 139 | ArgStringList &CmdArgs, |
| 140 | const char *ArgName, |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 141 | const char *EnvVar) { |
| 142 | const char *DirList = ::getenv(EnvVar); |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 143 | bool CombinedArg = false; |
| 144 | |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 145 | if (!DirList) |
| 146 | return; // Nothing to do. |
| 147 | |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 148 | StringRef Name(ArgName); |
| 149 | if (Name.equals("-I") || Name.equals("-L")) |
| 150 | CombinedArg = true; |
| 151 | |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 152 | StringRef Dirs(DirList); |
| 153 | if (Dirs.empty()) // Empty string should not add '.'. |
| 154 | return; |
| 155 | |
| 156 | StringRef::size_type Delim; |
Rafael Espindola | 8db7ec0 | 2013-06-25 14:29:51 +0000 | [diff] [blame] | 157 | while ((Delim = Dirs.find(llvm::sys::EnvPathSeparator)) != StringRef::npos) { |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 158 | if (Delim == 0) { // Leading colon. |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 159 | if (CombinedArg) { |
| 160 | CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + ".")); |
| 161 | } else { |
| 162 | CmdArgs.push_back(ArgName); |
| 163 | CmdArgs.push_back("."); |
| 164 | } |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 165 | } else { |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 166 | if (CombinedArg) { |
| 167 | CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + Dirs.substr(0, Delim))); |
| 168 | } else { |
| 169 | CmdArgs.push_back(ArgName); |
| 170 | CmdArgs.push_back(Args.MakeArgString(Dirs.substr(0, Delim))); |
| 171 | } |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 172 | } |
Nico Weber | 09c5c39 | 2012-03-19 15:00:03 +0000 | [diff] [blame] | 173 | Dirs = Dirs.substr(Delim + 1); |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | if (Dirs.empty()) { // Trailing colon. |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 177 | if (CombinedArg) { |
| 178 | CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + ".")); |
| 179 | } else { |
| 180 | CmdArgs.push_back(ArgName); |
| 181 | CmdArgs.push_back("."); |
| 182 | } |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 183 | } else { // Add the last path. |
Chad Rosier | 89aa2ce | 2012-10-30 21:42:09 +0000 | [diff] [blame] | 184 | if (CombinedArg) { |
| 185 | CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + Dirs)); |
| 186 | } else { |
| 187 | CmdArgs.push_back(ArgName); |
| 188 | CmdArgs.push_back(Args.MakeArgString(Dirs)); |
| 189 | } |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 193 | static void AddLinkerInputs(const ToolChain &TC, |
| 194 | const InputInfoList &Inputs, const ArgList &Args, |
| 195 | ArgStringList &CmdArgs) { |
| 196 | const Driver &D = TC.getDriver(); |
| 197 | |
Daniel Dunbar | 8ac38d7 | 2011-02-19 05:33:51 +0000 | [diff] [blame] | 198 | // Add extra linker input arguments which are not treated as inputs |
| 199 | // (constructed via -Xarch_). |
| 200 | Args.AddAllArgValues(CmdArgs, options::OPT_Zlinker_input); |
| 201 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 202 | for (const auto &II : Inputs) { |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 203 | if (!TC.HasNativeLLVMSupport()) { |
| 204 | // Don't try to pass LLVM inputs unless we have native support. |
| 205 | if (II.getType() == types::TY_LLVM_IR || |
| 206 | II.getType() == types::TY_LTO_IR || |
| 207 | II.getType() == types::TY_LLVM_BC || |
| 208 | II.getType() == types::TY_LTO_BC) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 209 | D.Diag(diag::err_drv_no_linker_llvm_support) |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 210 | << TC.getTripleString(); |
| 211 | } |
| 212 | |
Daniel Dunbar | e5a37f4 | 2010-09-17 00:45:02 +0000 | [diff] [blame] | 213 | // Add filenames immediately. |
| 214 | if (II.isFilename()) { |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 215 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | e5a37f4 | 2010-09-17 00:45:02 +0000 | [diff] [blame] | 216 | continue; |
| 217 | } |
| 218 | |
| 219 | // Otherwise, this is a linker input argument. |
| 220 | const Arg &A = II.getInputArg(); |
| 221 | |
| 222 | // Handle reserved library options. |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 223 | if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) |
Daniel Dunbar | 132e35d | 2010-09-17 01:20:05 +0000 | [diff] [blame] | 224 | TC.AddCXXStdlibLibArgs(Args, CmdArgs); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 225 | else if (A.getOption().matches(options::OPT_Z_reserved_lib_cckext)) |
Shantonu Sen | 7433fed | 2010-09-17 18:39:08 +0000 | [diff] [blame] | 226 | TC.AddCCKextLibArgs(Args, CmdArgs); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 227 | else if (A.getOption().matches(options::OPT_z)) { |
| 228 | // Pass -z prefix for gcc linker compatibility. |
| 229 | A.claim(); |
| 230 | A.render(Args, CmdArgs); |
| 231 | } else { |
| 232 | A.renderAsInput(Args, CmdArgs); |
| 233 | } |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 234 | } |
Bill Wendling | bdb8f3c | 2012-03-12 21:22:35 +0000 | [diff] [blame] | 235 | |
| 236 | // LIBRARY_PATH - included following the user specified library paths. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 237 | // and only supported on native toolchains. |
| 238 | if (!TC.isCrossCompiling()) |
| 239 | addDirectoryList(Args, CmdArgs, "-L", "LIBRARY_PATH"); |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 240 | } |
| 241 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 242 | /// \brief Determine whether Objective-C automated reference counting is |
| 243 | /// enabled. |
| 244 | static bool isObjCAutoRefCount(const ArgList &Args) { |
| 245 | return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false); |
| 246 | } |
| 247 | |
Ted Kremenek | ebcb57a | 2012-03-06 20:05:56 +0000 | [diff] [blame] | 248 | /// \brief Determine whether we are linking the ObjC runtime. |
| 249 | static bool isObjCRuntimeLinked(const ArgList &Args) { |
Bob Wilson | a7635f1 | 2012-08-07 19:58:00 +0000 | [diff] [blame] | 250 | if (isObjCAutoRefCount(Args)) { |
| 251 | Args.ClaimAllArgs(options::OPT_fobjc_link_runtime); |
Ted Kremenek | ebcb57a | 2012-03-06 20:05:56 +0000 | [diff] [blame] | 252 | return true; |
Bob Wilson | a7635f1 | 2012-08-07 19:58:00 +0000 | [diff] [blame] | 253 | } |
Ted Kremenek | ebcb57a | 2012-03-06 20:05:56 +0000 | [diff] [blame] | 254 | return Args.hasArg(options::OPT_fobjc_link_runtime); |
| 255 | } |
| 256 | |
Michael J. Spencer | 91e06da | 2012-10-19 22:37:06 +0000 | [diff] [blame] | 257 | static bool forwardToGCC(const Option &O) { |
Reid Kleckner | 4cd90df | 2013-06-19 15:09:06 +0000 | [diff] [blame] | 258 | // Don't forward inputs from the original command line. They are added from |
| 259 | // InputInfoList. |
Richard Smith | e40bc4b | 2013-06-20 01:33:59 +0000 | [diff] [blame] | 260 | return O.getKind() != Option::InputClass && |
Michael J. Spencer | 91e06da | 2012-10-19 22:37:06 +0000 | [diff] [blame] | 261 | !O.hasFlag(options::DriverOption) && |
| 262 | !O.hasFlag(options::LinkerInput); |
| 263 | } |
| 264 | |
Peter Collingbourne | 54db68b | 2011-11-06 00:40:05 +0000 | [diff] [blame] | 265 | void Clang::AddPreprocessingOptions(Compilation &C, |
Chad Rosier | 9d71863 | 2013-01-24 19:14:47 +0000 | [diff] [blame] | 266 | const JobAction &JA, |
Peter Collingbourne | 54db68b | 2011-11-06 00:40:05 +0000 | [diff] [blame] | 267 | const Driver &D, |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 268 | const ArgList &Args, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 269 | ArgStringList &CmdArgs, |
| 270 | const InputInfo &Output, |
| 271 | const InputInfoList &Inputs) const { |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 272 | Arg *A; |
Daniel Dunbar | 3a183d3 | 2009-06-08 21:48:20 +0000 | [diff] [blame] | 273 | |
Daniel Dunbar | 88a3d6c | 2009-09-10 01:21:05 +0000 | [diff] [blame] | 274 | CheckPreprocessingOptions(D, Args); |
| 275 | |
| 276 | Args.AddLastArg(CmdArgs, options::OPT_C); |
| 277 | Args.AddLastArg(CmdArgs, options::OPT_CC); |
Daniel Dunbar | 3a183d3 | 2009-06-08 21:48:20 +0000 | [diff] [blame] | 278 | |
| 279 | // Handle dependency file generation. |
Daniel Dunbar | 9eb93b0 | 2010-12-08 21:33:40 +0000 | [diff] [blame] | 280 | if ((A = Args.getLastArg(options::OPT_M, options::OPT_MM)) || |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 281 | (A = Args.getLastArg(options::OPT_MD)) || |
| 282 | (A = Args.getLastArg(options::OPT_MMD))) { |
| 283 | // Determine the output location. |
| 284 | const char *DepFile; |
Benjamin Kramer | 99c7208 | 2012-09-26 19:01:49 +0000 | [diff] [blame] | 285 | if (Arg *MF = Args.getLastArg(options::OPT_MF)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 286 | DepFile = MF->getValue(); |
Chad Rosier | 9d71863 | 2013-01-24 19:14:47 +0000 | [diff] [blame] | 287 | C.addFailureResultFile(DepFile, &JA); |
Benjamin Kramer | 99c7208 | 2012-09-26 19:01:49 +0000 | [diff] [blame] | 288 | } else if (Output.getType() == types::TY_Dependencies) { |
| 289 | DepFile = Output.getFilename(); |
Daniel Dunbar | b827a05 | 2009-11-19 03:26:40 +0000 | [diff] [blame] | 290 | } else if (A->getOption().matches(options::OPT_M) || |
| 291 | A->getOption().matches(options::OPT_MM)) { |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 292 | DepFile = "-"; |
| 293 | } else { |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 294 | DepFile = getDependencyFileName(Args, Inputs); |
Chad Rosier | 9d71863 | 2013-01-24 19:14:47 +0000 | [diff] [blame] | 295 | C.addFailureResultFile(DepFile, &JA); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 296 | } |
| 297 | CmdArgs.push_back("-dependency-file"); |
| 298 | CmdArgs.push_back(DepFile); |
| 299 | |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 300 | // Add a default target if one wasn't specified. |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 301 | if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) { |
| 302 | const char *DepTarget; |
| 303 | |
| 304 | // If user provided -o, that is the dependency target, except |
| 305 | // when we are only generating a dependency file. |
| 306 | Arg *OutputOpt = Args.getLastArg(options::OPT_o); |
| 307 | if (OutputOpt && Output.getType() != types::TY_Dependencies) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 308 | DepTarget = OutputOpt->getValue(); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 309 | } else { |
| 310 | // Otherwise derive from the base input. |
| 311 | // |
| 312 | // FIXME: This should use the computed output file location. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 313 | SmallString<128> P(Inputs[0].getBaseInput()); |
Michael J. Spencer | 472ccff | 2010-12-18 00:19:12 +0000 | [diff] [blame] | 314 | llvm::sys::path::replace_extension(P, "o"); |
| 315 | DepTarget = Args.MakeArgString(llvm::sys::path::filename(P)); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | CmdArgs.push_back("-MT"); |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 319 | SmallString<128> Quoted; |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 320 | QuoteTarget(DepTarget, Quoted); |
| 321 | CmdArgs.push_back(Args.MakeArgString(Quoted)); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 322 | } |
| 323 | |
Daniel Dunbar | b827a05 | 2009-11-19 03:26:40 +0000 | [diff] [blame] | 324 | if (A->getOption().matches(options::OPT_M) || |
| 325 | A->getOption().matches(options::OPT_MD)) |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 326 | CmdArgs.push_back("-sys-header-deps"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 327 | if ((isa<PrecompileJobAction>(JA) && |
| 328 | !Args.hasArg(options::OPT_fno_module_file_deps)) || |
| 329 | Args.hasArg(options::OPT_fmodule_file_deps)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 330 | CmdArgs.push_back("-module-file-deps"); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 331 | } |
| 332 | |
Peter Collingbourne | bb52786 | 2011-07-12 19:35:15 +0000 | [diff] [blame] | 333 | if (Args.hasArg(options::OPT_MG)) { |
| 334 | if (!A || A->getOption().matches(options::OPT_MD) || |
| 335 | A->getOption().matches(options::OPT_MMD)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 336 | D.Diag(diag::err_drv_mg_requires_m_or_mm); |
Peter Collingbourne | bb52786 | 2011-07-12 19:35:15 +0000 | [diff] [blame] | 337 | CmdArgs.push_back("-MG"); |
| 338 | } |
| 339 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 340 | Args.AddLastArg(CmdArgs, options::OPT_MP); |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 341 | |
| 342 | // Convert all -MQ <target> args to -MT <quoted target> |
| 343 | for (arg_iterator it = Args.filtered_begin(options::OPT_MT, |
| 344 | options::OPT_MQ), |
| 345 | ie = Args.filtered_end(); it != ie; ++it) { |
Daniel Dunbar | 7e4953e | 2010-06-11 22:00:13 +0000 | [diff] [blame] | 346 | const Arg *A = *it; |
| 347 | A->claim(); |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 348 | |
Daniel Dunbar | 7e4953e | 2010-06-11 22:00:13 +0000 | [diff] [blame] | 349 | if (A->getOption().matches(options::OPT_MQ)) { |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 350 | CmdArgs.push_back("-MT"); |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 351 | SmallString<128> Quoted; |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 352 | QuoteTarget(A->getValue(), Quoted); |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 353 | CmdArgs.push_back(Args.MakeArgString(Quoted)); |
| 354 | |
| 355 | // -MT flag - no change |
| 356 | } else { |
Daniel Dunbar | 7e4953e | 2010-06-11 22:00:13 +0000 | [diff] [blame] | 357 | A->render(Args, CmdArgs); |
Chris Lattner | 3edbeb7 | 2010-03-29 17:55:58 +0000 | [diff] [blame] | 358 | } |
| 359 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 360 | |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 361 | // Add -i* options, and automatically translate to |
| 362 | // -include-pch/-include-pth for transparent PCH support. It's |
| 363 | // wonky, but we include looking for .gch so we can support seamless |
| 364 | // replacement into a build system already set up to be generating |
| 365 | // .gch files. |
Argyrios Kyrtzidis | 990142a | 2010-09-30 16:53:47 +0000 | [diff] [blame] | 366 | bool RenderedImplicitInclude = false; |
Daniel Dunbar | cdd9686 | 2009-11-25 11:53:23 +0000 | [diff] [blame] | 367 | for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group), |
| 368 | ie = Args.filtered_end(); it != ie; ++it) { |
| 369 | const Arg *A = it; |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 370 | |
| 371 | if (A->getOption().matches(options::OPT_include)) { |
Argyrios Kyrtzidis | 990142a | 2010-09-30 16:53:47 +0000 | [diff] [blame] | 372 | bool IsFirstImplicitInclude = !RenderedImplicitInclude; |
| 373 | RenderedImplicitInclude = true; |
| 374 | |
Argyrios Kyrtzidis | e5c3537 | 2010-08-11 23:27:58 +0000 | [diff] [blame] | 375 | // Use PCH if the user requested it. |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 376 | bool UsePCH = D.CCCUsePCH; |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 377 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 378 | bool FoundPTH = false; |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 379 | bool FoundPCH = false; |
Rafael Espindola | f8edb99 | 2013-06-25 15:03:59 +0000 | [diff] [blame] | 380 | SmallString<128> P(A->getValue()); |
| 381 | // We want the files to have a name like foo.h.pch. Add a dummy extension |
| 382 | // so that replace_extension does the right thing. |
| 383 | P += ".dummy"; |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 384 | if (UsePCH) { |
Rafael Espindola | f8edb99 | 2013-06-25 15:03:59 +0000 | [diff] [blame] | 385 | llvm::sys::path::replace_extension(P, "pch"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 386 | if (llvm::sys::fs::exists(P)) |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 387 | FoundPCH = true; |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 388 | } |
| 389 | |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 390 | if (!FoundPCH) { |
Rafael Espindola | f8edb99 | 2013-06-25 15:03:59 +0000 | [diff] [blame] | 391 | llvm::sys::path::replace_extension(P, "pth"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 392 | if (llvm::sys::fs::exists(P)) |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 393 | FoundPTH = true; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 396 | if (!FoundPCH && !FoundPTH) { |
Rafael Espindola | f8edb99 | 2013-06-25 15:03:59 +0000 | [diff] [blame] | 397 | llvm::sys::path::replace_extension(P, "gch"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 398 | if (llvm::sys::fs::exists(P)) { |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 399 | FoundPCH = UsePCH; |
| 400 | FoundPTH = !UsePCH; |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 401 | } |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | if (FoundPCH || FoundPTH) { |
Argyrios Kyrtzidis | 990142a | 2010-09-30 16:53:47 +0000 | [diff] [blame] | 405 | if (IsFirstImplicitInclude) { |
| 406 | A->claim(); |
| 407 | if (UsePCH) |
| 408 | CmdArgs.push_back("-include-pch"); |
| 409 | else |
| 410 | CmdArgs.push_back("-include-pth"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 411 | CmdArgs.push_back(Args.MakeArgString(P)); |
Argyrios Kyrtzidis | 990142a | 2010-09-30 16:53:47 +0000 | [diff] [blame] | 412 | continue; |
| 413 | } else { |
| 414 | // Ignore the PCH if not first on command line and emit warning. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 415 | D.Diag(diag::warn_drv_pch_not_first_include) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 416 | << P << A->getAsString(Args); |
Argyrios Kyrtzidis | 990142a | 2010-09-30 16:53:47 +0000 | [diff] [blame] | 417 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
| 421 | // Not translated, render as usual. |
| 422 | A->claim(); |
| 423 | A->render(Args, CmdArgs); |
| 424 | } |
| 425 | |
| 426 | Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); |
Douglas Gregor | 65e02fa | 2011-07-28 04:45:53 +0000 | [diff] [blame] | 427 | Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F, |
| 428 | options::OPT_index_header_map); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 429 | |
| 430 | // Add -Wp, and -Xassembler if using the preprocessor. |
| 431 | |
| 432 | // FIXME: There is a very unfortunate problem here, some troubled |
| 433 | // souls abuse -Wp, to pass preprocessor options in gcc syntax. To |
| 434 | // really support that we would have to parse and then translate |
| 435 | // those options. :( |
| 436 | Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, |
| 437 | options::OPT_Xpreprocessor); |
Daniel Dunbar | 607d7f6 | 2009-10-29 01:53:44 +0000 | [diff] [blame] | 438 | |
| 439 | // -I- is a deprecated GCC feature, reject it. |
| 440 | if (Arg *A = Args.getLastArg(options::OPT_I_)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 441 | D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args); |
Chandler Carruth | feee58c | 2010-10-20 07:00:47 +0000 | [diff] [blame] | 442 | |
| 443 | // If we have a --sysroot, and don't have an explicit -isysroot flag, add an |
| 444 | // -isysroot to the CC1 invocation. |
Sebastian Pop | 4762a2d | 2012-04-16 04:16:43 +0000 | [diff] [blame] | 445 | StringRef sysroot = C.getSysRoot(); |
| 446 | if (sysroot != "") { |
Chandler Carruth | feee58c | 2010-10-20 07:00:47 +0000 | [diff] [blame] | 447 | if (!Args.hasArg(options::OPT_isysroot)) { |
| 448 | CmdArgs.push_back("-isysroot"); |
Sebastian Pop | 4762a2d | 2012-04-16 04:16:43 +0000 | [diff] [blame] | 449 | CmdArgs.push_back(C.getArgs().MakeArgString(sysroot)); |
Chandler Carruth | feee58c | 2010-10-20 07:00:47 +0000 | [diff] [blame] | 450 | } |
| 451 | } |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 452 | |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 453 | // Parse additional include paths from environment variables. |
Chandler Carruth | b5870e7 | 2011-11-04 07:12:58 +0000 | [diff] [blame] | 454 | // FIXME: We should probably sink the logic for handling these from the |
| 455 | // frontend into the driver. It will allow deleting 4 otherwise unused flags. |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 456 | // CPATH - included following the user specified includes (but prior to |
| 457 | // builtin and standard includes). |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 458 | addDirectoryList(Args, CmdArgs, "-I", "CPATH"); |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 459 | // C_INCLUDE_PATH - system includes enabled when compiling C. |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 460 | addDirectoryList(Args, CmdArgs, "-c-isystem", "C_INCLUDE_PATH"); |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 461 | // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++. |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 462 | addDirectoryList(Args, CmdArgs, "-cxx-isystem", "CPLUS_INCLUDE_PATH"); |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 463 | // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC. |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 464 | addDirectoryList(Args, CmdArgs, "-objc-isystem", "OBJC_INCLUDE_PATH"); |
Benjamin Kramer | 47adebe | 2011-09-22 21:41:16 +0000 | [diff] [blame] | 465 | // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++. |
Bill Wendling | 3d71715 | 2012-03-12 22:10:06 +0000 | [diff] [blame] | 466 | addDirectoryList(Args, CmdArgs, "-objcxx-isystem", "OBJCPLUS_INCLUDE_PATH"); |
Chandler Carruth | 88491fc | 2011-11-04 07:12:53 +0000 | [diff] [blame] | 467 | |
Chandler Carruth | 88491fc | 2011-11-04 07:12:53 +0000 | [diff] [blame] | 468 | // Add C++ include arguments, if needed. |
Chandler Carruth | a461442 | 2011-11-04 07:43:33 +0000 | [diff] [blame] | 469 | if (types::isCXX(Inputs[0].getType())) |
Chandler Carruth | 7ffa032 | 2011-11-04 07:34:47 +0000 | [diff] [blame] | 470 | getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs); |
Chandler Carruth | 7d7e9f9 | 2011-11-05 20:17:13 +0000 | [diff] [blame] | 471 | |
| 472 | // Add system include arguments. |
| 473 | getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 474 | } |
| 475 | |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 476 | // FIXME: Move to target hook. |
| 477 | static bool isSignedCharDefault(const llvm::Triple &Triple) { |
| 478 | switch (Triple.getArch()) { |
| 479 | default: |
| 480 | return true; |
| 481 | |
Tim Northover | c264e16 | 2013-01-31 12:13:10 +0000 | [diff] [blame] | 482 | case llvm::Triple::aarch64: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 483 | case llvm::Triple::aarch64_be: |
Jim Grosbach | 5b4e7b1 | 2011-05-24 15:40:46 +0000 | [diff] [blame] | 484 | case llvm::Triple::arm: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 485 | case llvm::Triple::armeb: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 486 | case llvm::Triple::thumb: |
| 487 | case llvm::Triple::thumbeb: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 488 | if (Triple.isOSDarwin() || Triple.isOSWindows()) |
| 489 | return true; |
| 490 | return false; |
| 491 | |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 492 | case llvm::Triple::ppc: |
| 493 | case llvm::Triple::ppc64: |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 494 | if (Triple.isOSDarwin()) |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 495 | return true; |
| 496 | return false; |
Ulrich Weigand | b840921 | 2013-05-06 16:26:41 +0000 | [diff] [blame] | 497 | |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 498 | case llvm::Triple::ppc64le: |
Ulrich Weigand | b840921 | 2013-05-06 16:26:41 +0000 | [diff] [blame] | 499 | case llvm::Triple::systemz: |
Robert Lytton | 5f15f4d | 2013-08-13 09:43:10 +0000 | [diff] [blame] | 500 | case llvm::Triple::xcore: |
Ulrich Weigand | b840921 | 2013-05-06 16:26:41 +0000 | [diff] [blame] | 501 | return false; |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 502 | } |
| 503 | } |
| 504 | |
Robert Lytton | 5f15f4d | 2013-08-13 09:43:10 +0000 | [diff] [blame] | 505 | static bool isNoCommonDefault(const llvm::Triple &Triple) { |
| 506 | switch (Triple.getArch()) { |
| 507 | default: |
| 508 | return false; |
| 509 | |
| 510 | case llvm::Triple::xcore: |
| 511 | return true; |
| 512 | } |
| 513 | } |
| 514 | |
Silviu Baranga | 1db2e27 | 2013-10-21 10:54:53 +0000 | [diff] [blame] | 515 | // Handle -mhwdiv=. |
| 516 | static void getARMHWDivFeatures(const Driver &D, const Arg *A, |
| 517 | const ArgList &Args, |
| 518 | std::vector<const char *> &Features) { |
| 519 | StringRef HWDiv = A->getValue(); |
| 520 | if (HWDiv == "arm") { |
| 521 | Features.push_back("+hwdiv-arm"); |
| 522 | Features.push_back("-hwdiv"); |
| 523 | } else if (HWDiv == "thumb") { |
| 524 | Features.push_back("-hwdiv-arm"); |
| 525 | Features.push_back("+hwdiv"); |
| 526 | } else if (HWDiv == "arm,thumb" || HWDiv == "thumb,arm") { |
| 527 | Features.push_back("+hwdiv-arm"); |
| 528 | Features.push_back("+hwdiv"); |
| 529 | } else if (HWDiv == "none") { |
| 530 | Features.push_back("-hwdiv-arm"); |
| 531 | Features.push_back("-hwdiv"); |
| 532 | } else |
| 533 | D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); |
| 534 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 535 | |
Amara Emerson | fe7ed04 | 2013-10-01 10:20:54 +0000 | [diff] [blame] | 536 | // Handle -mfpu=. |
| 537 | // |
| 538 | // FIXME: Centralize feature selection, defaulting shouldn't be also in the |
| 539 | // frontend target. |
| 540 | static void getARMFPUFeatures(const Driver &D, const Arg *A, |
| 541 | const ArgList &Args, |
| 542 | std::vector<const char *> &Features) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 543 | StringRef FPU = A->getValue(); |
Chad Rosier | 9931727 | 2012-04-04 20:51:35 +0000 | [diff] [blame] | 544 | |
| 545 | // Set the target features based on the FPU. |
| 546 | if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") { |
| 547 | // Disable any default FPU support. |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 548 | Features.push_back("-vfp2"); |
| 549 | Features.push_back("-vfp3"); |
| 550 | Features.push_back("-neon"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 551 | } else if (FPU == "vfp") { |
| 552 | Features.push_back("+vfp2"); |
| 553 | Features.push_back("-neon"); |
Chad Rosier | 9931727 | 2012-04-04 20:51:35 +0000 | [diff] [blame] | 554 | } else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 555 | Features.push_back("+vfp3"); |
| 556 | Features.push_back("+d16"); |
| 557 | Features.push_back("-neon"); |
Chad Rosier | 9931727 | 2012-04-04 20:51:35 +0000 | [diff] [blame] | 558 | } else if (FPU == "vfp3" || FPU == "vfpv3") { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 559 | Features.push_back("+vfp3"); |
| 560 | Features.push_back("-neon"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 561 | } else if (FPU == "vfp4-d16" || FPU == "vfpv4-d16") { |
| 562 | Features.push_back("+vfp4"); |
| 563 | Features.push_back("+d16"); |
| 564 | Features.push_back("-neon"); |
| 565 | } else if (FPU == "vfp4" || FPU == "vfpv4") { |
| 566 | Features.push_back("+vfp4"); |
| 567 | Features.push_back("-neon"); |
| 568 | } else if (FPU == "fp4-sp-d16" || FPU == "fpv4-sp-d16") { |
| 569 | Features.push_back("+vfp4"); |
| 570 | Features.push_back("+d16"); |
| 571 | Features.push_back("+fp-only-sp"); |
| 572 | Features.push_back("-neon"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 573 | } else if (FPU == "fp5-sp-d16" || FPU == "fpv5-sp-d16") { |
| 574 | Features.push_back("+fp-armv8"); |
| 575 | Features.push_back("+fp-only-sp"); |
| 576 | Features.push_back("+d16"); |
| 577 | Features.push_back("-neon"); |
| 578 | Features.push_back("-crypto"); |
| 579 | } else if (FPU == "fp5-dp-d16" || FPU == "fpv5-dp-d16" || |
| 580 | FPU == "fp5-d16" || FPU == "fpv5-d16") { |
| 581 | Features.push_back("+fp-armv8"); |
| 582 | Features.push_back("+d16"); |
| 583 | Features.push_back("-neon"); |
| 584 | Features.push_back("-crypto"); |
Joey Gouly | cbed3bf | 2013-06-27 13:19:54 +0000 | [diff] [blame] | 585 | } else if (FPU == "fp-armv8") { |
Joey Gouly | 2b33b7e | 2013-09-13 13:48:33 +0000 | [diff] [blame] | 586 | Features.push_back("+fp-armv8"); |
Bernard Ogden | f779e65 | 2013-10-24 18:32:51 +0000 | [diff] [blame] | 587 | Features.push_back("-neon"); |
| 588 | Features.push_back("-crypto"); |
Joey Gouly | cbed3bf | 2013-06-27 13:19:54 +0000 | [diff] [blame] | 589 | } else if (FPU == "neon-fp-armv8") { |
Joey Gouly | 2b33b7e | 2013-09-13 13:48:33 +0000 | [diff] [blame] | 590 | Features.push_back("+fp-armv8"); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 591 | Features.push_back("+neon"); |
Bernard Ogden | f779e65 | 2013-10-24 18:32:51 +0000 | [diff] [blame] | 592 | Features.push_back("-crypto"); |
Amara Emerson | cdc532c | 2013-09-19 13:54:03 +0000 | [diff] [blame] | 593 | } else if (FPU == "crypto-neon-fp-armv8") { |
Amara Emerson | cdc532c | 2013-09-19 13:54:03 +0000 | [diff] [blame] | 594 | Features.push_back("+fp-armv8"); |
Bernard Ogden | f779e65 | 2013-10-24 18:32:51 +0000 | [diff] [blame] | 595 | Features.push_back("+neon"); |
| 596 | Features.push_back("+crypto"); |
Chad Rosier | 9931727 | 2012-04-04 20:51:35 +0000 | [diff] [blame] | 597 | } else if (FPU == "neon") { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 598 | Features.push_back("+neon"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 599 | } else if (FPU == "neon-vfpv3") { |
| 600 | Features.push_back("+vfp3"); |
| 601 | Features.push_back("+neon"); |
| 602 | } else if (FPU == "neon-vfpv4") { |
| 603 | Features.push_back("+neon"); |
| 604 | Features.push_back("+vfp4"); |
Amara Emerson | fe7ed04 | 2013-10-01 10:20:54 +0000 | [diff] [blame] | 605 | } else if (FPU == "none") { |
| 606 | Features.push_back("-vfp2"); |
| 607 | Features.push_back("-vfp3"); |
| 608 | Features.push_back("-vfp4"); |
| 609 | Features.push_back("-fp-armv8"); |
| 610 | Features.push_back("-crypto"); |
| 611 | Features.push_back("-neon"); |
Chad Rosier | 9931727 | 2012-04-04 20:51:35 +0000 | [diff] [blame] | 612 | } else |
| 613 | D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); |
| 614 | } |
| 615 | |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 616 | // Select the float ABI as determined by -msoft-float, -mhard-float, and |
| 617 | // -mfloat-abi=. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 618 | StringRef tools::arm::getARMFloatABI(const Driver &D, const ArgList &Args, |
| 619 | const llvm::Triple &Triple) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 620 | StringRef FloatABI; |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 621 | if (Arg *A = Args.getLastArg(options::OPT_msoft_float, |
| 622 | options::OPT_mhard_float, |
| 623 | options::OPT_mfloat_abi_EQ)) { |
| 624 | if (A->getOption().matches(options::OPT_msoft_float)) |
| 625 | FloatABI = "soft"; |
| 626 | else if (A->getOption().matches(options::OPT_mhard_float)) |
| 627 | FloatABI = "hard"; |
| 628 | else { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 629 | FloatABI = A->getValue(); |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 630 | if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 631 | D.Diag(diag::err_drv_invalid_mfloat_abi) |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 632 | << A->getAsString(Args); |
| 633 | FloatABI = "soft"; |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | // If unspecified, choose the default based on the platform. |
| 639 | if (FloatABI.empty()) { |
Rafael Espindola | bcd6df6 | 2010-06-28 17:18:09 +0000 | [diff] [blame] | 640 | switch (Triple.getOS()) { |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 641 | case llvm::Triple::Darwin: |
| 642 | case llvm::Triple::MacOSX: |
| 643 | case llvm::Triple::IOS: { |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 644 | // Darwin defaults to "softfp" for v6 and v7. |
| 645 | // |
| 646 | // FIXME: Factor out an ARM class so we can cache the arch somewhere. |
Benjamin Kramer | 92c4fd5 | 2012-06-26 22:20:06 +0000 | [diff] [blame] | 647 | std::string ArchName = |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 648 | arm::getLLVMArchSuffixForARM(arm::getARMTargetCPU(Args, Triple)); |
Benjamin Kramer | 92c4fd5 | 2012-06-26 22:20:06 +0000 | [diff] [blame] | 649 | if (StringRef(ArchName).startswith("v6") || |
| 650 | StringRef(ArchName).startswith("v7")) |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 651 | FloatABI = "softfp"; |
| 652 | else |
| 653 | FloatABI = "soft"; |
| 654 | break; |
| 655 | } |
| 656 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 657 | // FIXME: this is invalid for WindowsCE |
| 658 | case llvm::Triple::Win32: |
| 659 | FloatABI = "hard"; |
| 660 | break; |
| 661 | |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 662 | case llvm::Triple::FreeBSD: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 663 | switch(Triple.getEnvironment()) { |
| 664 | case llvm::Triple::GNUEABIHF: |
| 665 | FloatABI = "hard"; |
| 666 | break; |
| 667 | default: |
| 668 | // FreeBSD defaults to soft float |
| 669 | FloatABI = "soft"; |
| 670 | break; |
| 671 | } |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 672 | break; |
| 673 | |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 674 | default: |
Bob Wilson | fc2bd7c | 2011-02-04 17:59:28 +0000 | [diff] [blame] | 675 | switch(Triple.getEnvironment()) { |
Jiangning Liu | ff104a1 | 2012-07-31 08:06:29 +0000 | [diff] [blame] | 676 | case llvm::Triple::GNUEABIHF: |
| 677 | FloatABI = "hard"; |
| 678 | break; |
Bob Wilson | fc2bd7c | 2011-02-04 17:59:28 +0000 | [diff] [blame] | 679 | case llvm::Triple::GNUEABI: |
| 680 | FloatABI = "softfp"; |
| 681 | break; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 682 | case llvm::Triple::EABIHF: |
| 683 | FloatABI = "hard"; |
| 684 | break; |
Bob Wilson | fc2bd7c | 2011-02-04 17:59:28 +0000 | [diff] [blame] | 685 | case llvm::Triple::EABI: |
| 686 | // EABI is always AAPCS, and if it was not marked 'hard', it's softfp |
| 687 | FloatABI = "softfp"; |
| 688 | break; |
Logan Chien | 94a7142 | 2012-09-02 09:30:11 +0000 | [diff] [blame] | 689 | case llvm::Triple::Android: { |
Benjamin Kramer | 92c4fd5 | 2012-06-26 22:20:06 +0000 | [diff] [blame] | 690 | std::string ArchName = |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 691 | arm::getLLVMArchSuffixForARM(arm::getARMTargetCPU(Args, Triple)); |
Benjamin Kramer | 92c4fd5 | 2012-06-26 22:20:06 +0000 | [diff] [blame] | 692 | if (StringRef(ArchName).startswith("v7")) |
Chandler Carruth | b43550b | 2012-01-10 19:47:42 +0000 | [diff] [blame] | 693 | FloatABI = "softfp"; |
| 694 | else |
| 695 | FloatABI = "soft"; |
| 696 | break; |
| 697 | } |
Bob Wilson | fc2bd7c | 2011-02-04 17:59:28 +0000 | [diff] [blame] | 698 | default: |
| 699 | // Assume "soft", but warn the user we are guessing. |
| 700 | FloatABI = "soft"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 701 | if (Triple.getOS() != llvm::Triple::UnknownOS || |
| 702 | !Triple.isOSBinFormatMachO()) |
| 703 | D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft"; |
Bob Wilson | fc2bd7c | 2011-02-04 17:59:28 +0000 | [diff] [blame] | 704 | break; |
| 705 | } |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 706 | } |
| 707 | } |
| 708 | |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 709 | return FloatABI; |
| 710 | } |
| 711 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 712 | static void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple, |
| 713 | const ArgList &Args, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 714 | std::vector<const char *> &Features, |
| 715 | bool ForAS) { |
| 716 | StringRef FloatABI = tools::arm::getARMFloatABI(D, Args, Triple); |
| 717 | if (!ForAS) { |
| 718 | // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these |
| 719 | // yet (it uses the -mfloat-abi and -msoft-float options), and it is |
| 720 | // stripped out by the ARM target. We should probably pass this a new |
| 721 | // -target-option, which is handled by the -cc1/-cc1as invocation. |
| 722 | // |
| 723 | // FIXME2: For consistency, it would be ideal if we set up the target |
| 724 | // machine state the same when using the frontend or the assembler. We don't |
| 725 | // currently do that for the assembler, we pass the options directly to the |
| 726 | // backend and never even instantiate the frontend TargetInfo. If we did, |
| 727 | // and used its handleTargetFeatures hook, then we could ensure the |
| 728 | // assembler and the frontend behave the same. |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 729 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 730 | // Use software floating point operations? |
| 731 | if (FloatABI == "soft") |
| 732 | Features.push_back("+soft-float"); |
| 733 | |
| 734 | // Use software floating point argument passing? |
| 735 | if (FloatABI != "hard") |
| 736 | Features.push_back("+soft-float-abi"); |
| 737 | } |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 738 | |
| 739 | // Honor -mfpu=. |
| 740 | if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) |
Amara Emerson | fe7ed04 | 2013-10-01 10:20:54 +0000 | [diff] [blame] | 741 | getARMFPUFeatures(D, A, Args, Features); |
Silviu Baranga | 1db2e27 | 2013-10-21 10:54:53 +0000 | [diff] [blame] | 742 | if (const Arg *A = Args.getLastArg(options::OPT_mhwdiv_EQ)) |
| 743 | getARMHWDivFeatures(D, A, Args, Features); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 744 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 745 | // Setting -msoft-float effectively disables NEON because of the GCC |
| 746 | // implementation, although the same isn't true of VFP or VFP3. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 747 | if (FloatABI == "soft") { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 748 | Features.push_back("-neon"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 749 | // Also need to explicitly disable features which imply NEON. |
| 750 | Features.push_back("-crypto"); |
| 751 | } |
Bernard Ogden | 909f35a | 2013-10-29 09:47:51 +0000 | [diff] [blame] | 752 | |
| 753 | // En/disable crc |
| 754 | if (Arg *A = Args.getLastArg(options::OPT_mcrc, |
| 755 | options::OPT_mnocrc)) { |
| 756 | if (A->getOption().matches(options::OPT_mcrc)) |
| 757 | Features.push_back("+crc"); |
| 758 | else |
| 759 | Features.push_back("-crc"); |
| 760 | } |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 761 | } |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 762 | |
| 763 | void Clang::AddARMTargetArgs(const ArgList &Args, |
| 764 | ArgStringList &CmdArgs, |
| 765 | bool KernelOrKext) const { |
| 766 | const Driver &D = getToolChain().getDriver(); |
Daniel Dunbar | 7a0c064 | 2012-10-15 22:23:53 +0000 | [diff] [blame] | 767 | // Get the effective triple, which takes into account the deployment target. |
| 768 | std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args); |
| 769 | llvm::Triple Triple(TripleStr); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 770 | std::string CPUName = arm::getARMTargetCPU(Args, Triple); |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 771 | |
| 772 | // Select the ABI to use. |
| 773 | // |
| 774 | // FIXME: Support -meabi. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 775 | // FIXME: Parts of this are duplicated in the backend, unify this somehow. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 776 | const char *ABIName = nullptr; |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 777 | if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 778 | ABIName = A->getValue(); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 779 | } else if (Triple.isOSBinFormatMachO()) { |
Daniel Dunbar | 2e4e110 | 2012-10-22 18:30:51 +0000 | [diff] [blame] | 780 | // The backend is hardwired to assume AAPCS for M-class processors, ensure |
| 781 | // the frontend matches that. |
Tim Northover | fc1a75b | 2013-10-03 14:23:28 +0000 | [diff] [blame] | 782 | if (Triple.getEnvironment() == llvm::Triple::EABI || |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 783 | Triple.getOS() == llvm::Triple::UnknownOS || |
Tim Northover | fc1a75b | 2013-10-03 14:23:28 +0000 | [diff] [blame] | 784 | StringRef(CPUName).startswith("cortex-m")) { |
Daniel Dunbar | 2e4e110 | 2012-10-22 18:30:51 +0000 | [diff] [blame] | 785 | ABIName = "aapcs"; |
| 786 | } else { |
| 787 | ABIName = "apcs-gnu"; |
| 788 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 789 | } else if (Triple.isOSWindows()) { |
| 790 | // FIXME: this is invalid for WindowsCE |
| 791 | ABIName = "aapcs"; |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 792 | } else { |
| 793 | // Select the default based on the platform. |
| 794 | switch(Triple.getEnvironment()) { |
Logan Chien | 94a7142 | 2012-09-02 09:30:11 +0000 | [diff] [blame] | 795 | case llvm::Triple::Android: |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 796 | case llvm::Triple::GNUEABI: |
Jiangning Liu | ff104a1 | 2012-07-31 08:06:29 +0000 | [diff] [blame] | 797 | case llvm::Triple::GNUEABIHF: |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 798 | ABIName = "aapcs-linux"; |
| 799 | break; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 800 | case llvm::Triple::EABIHF: |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 801 | case llvm::Triple::EABI: |
| 802 | ABIName = "aapcs"; |
| 803 | break; |
| 804 | default: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 805 | if (Triple.getOS() == llvm::Triple::NetBSD) |
| 806 | ABIName = "apcs-gnu"; |
| 807 | else |
| 808 | ABIName = "aapcs"; |
| 809 | break; |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 810 | } |
| 811 | } |
| 812 | CmdArgs.push_back("-target-abi"); |
| 813 | CmdArgs.push_back(ABIName); |
| 814 | |
Anton Korobeynikov | e257179 | 2012-04-09 13:38:30 +0000 | [diff] [blame] | 815 | // Determine floating point ABI from the options & target defaults. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 816 | StringRef FloatABI = tools::arm::getARMFloatABI(D, Args, Triple); |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 817 | if (FloatABI == "soft") { |
| 818 | // Floating point operations and argument passing are soft. |
| 819 | // |
| 820 | // FIXME: This changes CPP defines, we need -target-soft-float. |
Daniel Dunbar | 3b31526 | 2009-11-30 08:42:00 +0000 | [diff] [blame] | 821 | CmdArgs.push_back("-msoft-float"); |
Daniel Dunbar | 87667aa | 2009-12-08 19:49:51 +0000 | [diff] [blame] | 822 | CmdArgs.push_back("-mfloat-abi"); |
| 823 | CmdArgs.push_back("soft"); |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 824 | } else if (FloatABI == "softfp") { |
| 825 | // Floating point operations are hard, but argument passing is soft. |
Daniel Dunbar | 87667aa | 2009-12-08 19:49:51 +0000 | [diff] [blame] | 826 | CmdArgs.push_back("-mfloat-abi"); |
| 827 | CmdArgs.push_back("soft"); |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 828 | } else { |
| 829 | // Floating point operations and argument passing are hard. |
| 830 | assert(FloatABI == "hard" && "Invalid float abi!"); |
Daniel Dunbar | 87667aa | 2009-12-08 19:49:51 +0000 | [diff] [blame] | 831 | CmdArgs.push_back("-mfloat-abi"); |
| 832 | CmdArgs.push_back("hard"); |
Daniel Dunbar | cbd1933 | 2009-09-10 23:00:09 +0000 | [diff] [blame] | 833 | } |
Daniel Dunbar | 97f52ac | 2009-12-19 04:15:38 +0000 | [diff] [blame] | 834 | |
Daniel Dunbar | fa41d69 | 2011-03-17 17:10:06 +0000 | [diff] [blame] | 835 | // Kernel code has more strict alignment requirements. |
| 836 | if (KernelOrKext) { |
Cameron Esfahani | 57b1da1 | 2013-09-14 01:09:11 +0000 | [diff] [blame] | 837 | if (!Triple.isiOS() || Triple.isOSVersionLT(6)) { |
Daniel Dunbar | 7a0c064 | 2012-10-15 22:23:53 +0000 | [diff] [blame] | 838 | CmdArgs.push_back("-backend-option"); |
| 839 | CmdArgs.push_back("-arm-long-calls"); |
| 840 | } |
Daniel Dunbar | fa41d69 | 2011-03-17 17:10:06 +0000 | [diff] [blame] | 841 | |
Daniel Dunbar | 3c66d30 | 2011-03-22 16:48:17 +0000 | [diff] [blame] | 842 | CmdArgs.push_back("-backend-option"); |
Daniel Dunbar | fa41d69 | 2011-03-17 17:10:06 +0000 | [diff] [blame] | 843 | CmdArgs.push_back("-arm-strict-align"); |
Daniel Dunbar | b5fbb89 | 2011-04-18 21:26:42 +0000 | [diff] [blame] | 844 | |
| 845 | // The kext linker doesn't know how to deal with movw/movt. |
Daniel Dunbar | b5fbb89 | 2011-04-18 21:26:42 +0000 | [diff] [blame] | 846 | CmdArgs.push_back("-backend-option"); |
Renato Golin | ebc313d | 2013-08-15 20:54:45 +0000 | [diff] [blame] | 847 | CmdArgs.push_back("-arm-use-movt=0"); |
Daniel Dunbar | 7187fac | 2011-03-17 00:07:34 +0000 | [diff] [blame] | 848 | } |
Chad Rosier | 1b90605 | 2011-08-26 00:26:29 +0000 | [diff] [blame] | 849 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 850 | // -mkernel implies -mstrict-align; don't add the redundant option. |
| 851 | if (!KernelOrKext) { |
| 852 | if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, |
| 853 | options::OPT_munaligned_access)) { |
| 854 | CmdArgs.push_back("-backend-option"); |
| 855 | if (A->getOption().matches(options::OPT_mno_unaligned_access)) |
| 856 | CmdArgs.push_back("-arm-strict-align"); |
| 857 | else { |
| 858 | if (Triple.getSubArch() == llvm::Triple::SubArchType::ARMSubArch_v6m) |
| 859 | D.Diag(diag::err_target_unsupported_unaligned) << "v6m"; |
| 860 | CmdArgs.push_back("-arm-no-strict-align"); |
| 861 | } |
| 862 | } |
| 863 | } |
| 864 | |
Chad Rosier | 1b90605 | 2011-08-26 00:26:29 +0000 | [diff] [blame] | 865 | // Setting -mno-global-merge disables the codegen global merge pass. Setting |
| 866 | // -mglobal-merge has no effect as the pass is enabled by default. |
| 867 | if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, |
| 868 | options::OPT_mno_global_merge)) { |
| 869 | if (A->getOption().matches(options::OPT_mno_global_merge)) |
| 870 | CmdArgs.push_back("-mno-global-merge"); |
| 871 | } |
Chad Rosier | ee9ad5c | 2012-05-16 20:40:09 +0000 | [diff] [blame] | 872 | |
Bob Wilson | f6f77bd | 2013-04-11 18:53:25 +0000 | [diff] [blame] | 873 | if (!Args.hasFlag(options::OPT_mimplicit_float, |
| 874 | options::OPT_mno_implicit_float, |
| 875 | true)) |
Chad Rosier | ee9ad5c | 2012-05-16 20:40:09 +0000 | [diff] [blame] | 876 | CmdArgs.push_back("-no-implicit-float"); |
Renato Golin | 45bd294 | 2013-08-24 14:44:35 +0000 | [diff] [blame] | 877 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 878 | // llvm does not support reserving registers in general. There is support |
| 879 | // for reserving r9 on ARM though (defined as a platform-specific register |
| 880 | // in ARM EABI). |
| 881 | if (Args.hasArg(options::OPT_ffixed_r9)) { |
| 882 | CmdArgs.push_back("-backend-option"); |
| 883 | CmdArgs.push_back("-arm-reserve-r9"); |
| 884 | } |
| 885 | } |
| 886 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 887 | /// getAArch64TargetCPU - Get the (LLVM) name of the AArch64 cpu we are |
| 888 | /// targeting. |
| 889 | static std::string getAArch64TargetCPU(const ArgList &Args) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 890 | Arg *A; |
| 891 | std::string CPU; |
| 892 | // If we have -mtune or -mcpu, use that. |
| 893 | if ((A = Args.getLastArg(options::OPT_mtune_EQ))) { |
| 894 | CPU = A->getValue(); |
| 895 | } else if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) { |
| 896 | StringRef Mcpu = A->getValue(); |
| 897 | CPU = Mcpu.split("+").first; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 898 | } |
| 899 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 900 | // Handle CPU name is 'native'. |
| 901 | if (CPU == "native") |
| 902 | return llvm::sys::getHostCPUName(); |
| 903 | else if (CPU.size()) |
| 904 | return CPU; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 905 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 906 | // Make sure we pick "cyclone" if -arch is used. |
| 907 | // FIXME: Should this be picked by checking the target triple instead? |
| 908 | if (Args.getLastArg(options::OPT_arch)) |
| 909 | return "cyclone"; |
| 910 | |
| 911 | return "generic"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 912 | } |
| 913 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 914 | void Clang::AddAArch64TargetArgs(const ArgList &Args, |
| 915 | ArgStringList &CmdArgs) const { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 916 | std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args); |
| 917 | llvm::Triple Triple(TripleStr); |
| 918 | |
| 919 | if (!Args.hasFlag(options::OPT_mred_zone, options::OPT_mno_red_zone, true) || |
| 920 | Args.hasArg(options::OPT_mkernel) || |
| 921 | Args.hasArg(options::OPT_fapple_kext)) |
| 922 | CmdArgs.push_back("-disable-red-zone"); |
| 923 | |
| 924 | if (!Args.hasFlag(options::OPT_mimplicit_float, |
| 925 | options::OPT_mno_implicit_float, true)) |
| 926 | CmdArgs.push_back("-no-implicit-float"); |
| 927 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 928 | const char *ABIName = nullptr; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 929 | if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) |
| 930 | ABIName = A->getValue(); |
| 931 | else if (Triple.isOSDarwin()) |
| 932 | ABIName = "darwinpcs"; |
| 933 | else |
| 934 | ABIName = "aapcs"; |
| 935 | |
| 936 | CmdArgs.push_back("-target-abi"); |
| 937 | CmdArgs.push_back(ABIName); |
| 938 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 939 | if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, |
| 940 | options::OPT_munaligned_access)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 941 | CmdArgs.push_back("-backend-option"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 942 | if (A->getOption().matches(options::OPT_mno_unaligned_access)) |
| 943 | CmdArgs.push_back("-aarch64-strict-align"); |
| 944 | else |
| 945 | CmdArgs.push_back("-aarch64-no-strict-align"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 946 | } |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 947 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 948 | if (Arg *A = Args.getLastArg(options::OPT_mfix_cortex_a53_835769, |
| 949 | options::OPT_mno_fix_cortex_a53_835769)) { |
| 950 | CmdArgs.push_back("-backend-option"); |
| 951 | if (A->getOption().matches(options::OPT_mfix_cortex_a53_835769)) |
| 952 | CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); |
| 953 | else |
| 954 | CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=0"); |
| 955 | } else if (Triple.getEnvironment() == llvm::Triple::Android) { |
| 956 | // Enabled A53 errata (835769) workaround by default on android |
| 957 | CmdArgs.push_back("-backend-option"); |
| 958 | CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); |
| 959 | } |
| 960 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 961 | // Setting -mno-global-merge disables the codegen global merge pass. Setting |
| 962 | // -mglobal-merge has no effect as the pass is enabled by default. |
| 963 | if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, |
| 964 | options::OPT_mno_global_merge)) { |
| 965 | if (A->getOption().matches(options::OPT_mno_global_merge)) |
| 966 | CmdArgs.push_back("-mno-global-merge"); |
| 967 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 968 | |
| 969 | if (Args.hasArg(options::OPT_ffixed_x18)) { |
| 970 | CmdArgs.push_back("-backend-option"); |
| 971 | CmdArgs.push_back("-aarch64-reserve-x18"); |
| 972 | } |
Daniel Dunbar | b163ef7 | 2009-09-10 04:57:17 +0000 | [diff] [blame] | 973 | } |
| 974 | |
Simon Atanasyan | a2768be | 2012-04-07 22:09:23 +0000 | [diff] [blame] | 975 | // Get CPU and ABI names. They are not independent |
| 976 | // so we have to calculate them together. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 977 | void mips::getMipsCPUAndABI(const ArgList &Args, |
| 978 | const llvm::Triple &Triple, |
| 979 | StringRef &CPUName, |
| 980 | StringRef &ABIName) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 981 | const char *DefMips32CPU = "mips32r2"; |
| 982 | const char *DefMips64CPU = "mips64r2"; |
Akira Hatanaka | 9f36062 | 2011-09-26 21:07:52 +0000 | [diff] [blame] | 983 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 984 | // MIPS32r6 is the default for mips(el)?-img-linux-gnu and MIPS64r6 is the |
| 985 | // default for mips64(el)?-img-linux-gnu. |
| 986 | if (Triple.getVendor() == llvm::Triple::ImaginationTechnologies && |
| 987 | Triple.getEnvironment() == llvm::Triple::GNU) { |
| 988 | DefMips32CPU = "mips32r6"; |
| 989 | DefMips64CPU = "mips64r6"; |
| 990 | } |
| 991 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 992 | // MIPS3 is the default for mips64*-unknown-openbsd. |
| 993 | if (Triple.getOS() == llvm::Triple::OpenBSD) |
| 994 | DefMips64CPU = "mips3"; |
| 995 | |
Simon Atanasyan | 89d83ff | 2012-09-10 08:32:41 +0000 | [diff] [blame] | 996 | if (Arg *A = Args.getLastArg(options::OPT_march_EQ, |
Simon Atanasyan | 66751bc | 2013-10-09 12:12:24 +0000 | [diff] [blame] | 997 | options::OPT_mcpu_EQ)) |
| 998 | CPUName = A->getValue(); |
Simon Atanasyan | 89d83ff | 2012-09-10 08:32:41 +0000 | [diff] [blame] | 999 | |
Simon Atanasyan | c7e2a4e | 2013-04-21 13:30:10 +0000 | [diff] [blame] | 1000 | if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 1001 | ABIName = A->getValue(); |
Simon Atanasyan | c7e2a4e | 2013-04-21 13:30:10 +0000 | [diff] [blame] | 1002 | // Convert a GNU style Mips ABI name to the name |
| 1003 | // accepted by LLVM Mips backend. |
| 1004 | ABIName = llvm::StringSwitch<llvm::StringRef>(ABIName) |
| 1005 | .Case("32", "o32") |
| 1006 | .Case("64", "n64") |
| 1007 | .Default(ABIName); |
| 1008 | } |
Simon Atanasyan | 89d83ff | 2012-09-10 08:32:41 +0000 | [diff] [blame] | 1009 | |
| 1010 | // Setup default CPU and ABI names. |
| 1011 | if (CPUName.empty() && ABIName.empty()) { |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1012 | switch (Triple.getArch()) { |
Simon Atanasyan | 89d83ff | 2012-09-10 08:32:41 +0000 | [diff] [blame] | 1013 | default: |
| 1014 | llvm_unreachable("Unexpected triple arch name"); |
| 1015 | case llvm::Triple::mips: |
| 1016 | case llvm::Triple::mipsel: |
| 1017 | CPUName = DefMips32CPU; |
| 1018 | break; |
| 1019 | case llvm::Triple::mips64: |
| 1020 | case llvm::Triple::mips64el: |
| 1021 | CPUName = DefMips64CPU; |
| 1022 | break; |
| 1023 | } |
| 1024 | } |
| 1025 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1026 | if (ABIName.empty()) { |
| 1027 | // Deduce ABI name from the target triple. |
| 1028 | if (Triple.getArch() == llvm::Triple::mips || |
| 1029 | Triple.getArch() == llvm::Triple::mipsel) |
| 1030 | ABIName = "o32"; |
| 1031 | else |
| 1032 | ABIName = "n64"; |
Simon Atanasyan | 89d83ff | 2012-09-10 08:32:41 +0000 | [diff] [blame] | 1033 | } |
| 1034 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1035 | if (CPUName.empty()) { |
| 1036 | // Deduce CPU name from ABI name. |
| 1037 | CPUName = llvm::StringSwitch<const char *>(ABIName) |
| 1038 | .Cases("o32", "eabi", DefMips32CPU) |
| 1039 | .Cases("n32", "n64", DefMips64CPU) |
| 1040 | .Default(""); |
| 1041 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1042 | |
| 1043 | // FIXME: Warn on inconsistent use of -march and -mabi. |
Simon Atanasyan | a2768be | 2012-04-07 22:09:23 +0000 | [diff] [blame] | 1044 | } |
| 1045 | |
Simon Atanasyan | e9616a4 | 2013-02-27 14:55:49 +0000 | [diff] [blame] | 1046 | // Convert ABI name to the GNU tools acceptable variant. |
| 1047 | static StringRef getGnuCompatibleMipsABIName(StringRef ABI) { |
| 1048 | return llvm::StringSwitch<llvm::StringRef>(ABI) |
| 1049 | .Case("o32", "32") |
| 1050 | .Case("n64", "64") |
| 1051 | .Default(ABI); |
| 1052 | } |
| 1053 | |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1054 | // Select the MIPS float ABI as determined by -msoft-float, -mhard-float, |
| 1055 | // and -mfloat-abi=. |
| 1056 | static StringRef getMipsFloatABI(const Driver &D, const ArgList &Args) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1057 | StringRef FloatABI; |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1058 | if (Arg *A = Args.getLastArg(options::OPT_msoft_float, |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1059 | options::OPT_mhard_float, |
| 1060 | options::OPT_mfloat_abi_EQ)) { |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1061 | if (A->getOption().matches(options::OPT_msoft_float)) |
| 1062 | FloatABI = "soft"; |
| 1063 | else if (A->getOption().matches(options::OPT_mhard_float)) |
| 1064 | FloatABI = "hard"; |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1065 | else { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 1066 | FloatABI = A->getValue(); |
Simon Atanasyan | 2ed42b8 | 2013-04-14 08:37:15 +0000 | [diff] [blame] | 1067 | if (FloatABI != "soft" && FloatABI != "hard") { |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1068 | D.Diag(diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args); |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1069 | FloatABI = "hard"; |
| 1070 | } |
| 1071 | } |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1072 | } |
| 1073 | |
| 1074 | // If unspecified, choose the default based on the platform. |
| 1075 | if (FloatABI.empty()) { |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1076 | // Assume "hard", because it's a default value used by gcc. |
| 1077 | // When we start to recognize specific target MIPS processors, |
| 1078 | // we will be able to select the default more correctly. |
| 1079 | FloatABI = "hard"; |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1082 | return FloatABI; |
| 1083 | } |
| 1084 | |
Simon Atanasyan | dc536f5 | 2012-07-05 18:51:43 +0000 | [diff] [blame] | 1085 | static void AddTargetFeature(const ArgList &Args, |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1086 | std::vector<const char *> &Features, |
| 1087 | OptSpecifier OnOpt, OptSpecifier OffOpt, |
Simon Atanasyan | dc536f5 | 2012-07-05 18:51:43 +0000 | [diff] [blame] | 1088 | StringRef FeatureName) { |
| 1089 | if (Arg *A = Args.getLastArg(OnOpt, OffOpt)) { |
Simon Atanasyan | dc536f5 | 2012-07-05 18:51:43 +0000 | [diff] [blame] | 1090 | if (A->getOption().matches(OnOpt)) |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1091 | Features.push_back(Args.MakeArgString("+" + FeatureName)); |
Simon Atanasyan | dc536f5 | 2012-07-05 18:51:43 +0000 | [diff] [blame] | 1092 | else |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1093 | Features.push_back(Args.MakeArgString("-" + FeatureName)); |
Simon Atanasyan | dc536f5 | 2012-07-05 18:51:43 +0000 | [diff] [blame] | 1094 | } |
| 1095 | } |
| 1096 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1097 | static void getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple, |
| 1098 | const ArgList &Args, |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1099 | std::vector<const char *> &Features) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1100 | StringRef CPUName; |
| 1101 | StringRef ABIName; |
| 1102 | mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); |
| 1103 | ABIName = getGnuCompatibleMipsABIName(ABIName); |
| 1104 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1105 | AddTargetFeature(Args, Features, options::OPT_mno_abicalls, |
| 1106 | options::OPT_mabicalls, "noabicalls"); |
| 1107 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1108 | StringRef FloatABI = getMipsFloatABI(D, Args); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1109 | if (FloatABI == "soft") { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1110 | // FIXME: Note, this is a hack. We need to pass the selected float |
| 1111 | // mode to the MipsTargetInfoBase to define appropriate macros there. |
| 1112 | // Now it is the only method. |
| 1113 | Features.push_back("+soft-float"); |
| 1114 | } |
| 1115 | |
Simon Atanasyan | fc12c4a | 2013-09-24 09:09:16 +0000 | [diff] [blame] | 1116 | if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1117 | StringRef Val = StringRef(A->getValue()); |
| 1118 | if (Val == "2008") |
Simon Atanasyan | fc12c4a | 2013-09-24 09:09:16 +0000 | [diff] [blame] | 1119 | Features.push_back("+nan2008"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1120 | else if (Val == "legacy") |
| 1121 | Features.push_back("-nan2008"); |
| 1122 | else |
| 1123 | D.Diag(diag::err_drv_unsupported_option_argument) |
| 1124 | << A->getOption().getName() << Val; |
Simon Atanasyan | fc12c4a | 2013-09-24 09:09:16 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1127 | AddTargetFeature(Args, Features, options::OPT_msingle_float, |
| 1128 | options::OPT_mdouble_float, "single-float"); |
| 1129 | AddTargetFeature(Args, Features, options::OPT_mips16, options::OPT_mno_mips16, |
| 1130 | "mips16"); |
| 1131 | AddTargetFeature(Args, Features, options::OPT_mmicromips, |
| 1132 | options::OPT_mno_micromips, "micromips"); |
| 1133 | AddTargetFeature(Args, Features, options::OPT_mdsp, options::OPT_mno_dsp, |
| 1134 | "dsp"); |
| 1135 | AddTargetFeature(Args, Features, options::OPT_mdspr2, options::OPT_mno_dspr2, |
| 1136 | "dspr2"); |
| 1137 | AddTargetFeature(Args, Features, options::OPT_mmsa, options::OPT_mno_msa, |
| 1138 | "msa"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1139 | |
| 1140 | // Add the last -mfp32/-mfpxx/-mfp64 or if none are given and the ABI is O32 |
| 1141 | // pass -mfpxx |
| 1142 | if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx, |
| 1143 | options::OPT_mfp64)) { |
| 1144 | if (A->getOption().matches(options::OPT_mfp32)) |
| 1145 | Features.push_back(Args.MakeArgString("-fp64")); |
| 1146 | else if (A->getOption().matches(options::OPT_mfpxx)) { |
| 1147 | Features.push_back(Args.MakeArgString("+fpxx")); |
| 1148 | Features.push_back(Args.MakeArgString("+nooddspreg")); |
| 1149 | } else |
| 1150 | Features.push_back(Args.MakeArgString("+fp64")); |
| 1151 | } else if (mips::isFPXXDefault(Triple, CPUName, ABIName)) { |
| 1152 | Features.push_back(Args.MakeArgString("+fpxx")); |
| 1153 | Features.push_back(Args.MakeArgString("+nooddspreg")); |
| 1154 | } |
| 1155 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1156 | AddTargetFeature(Args, Features, options::OPT_mno_odd_spreg, |
| 1157 | options::OPT_modd_spreg, "nooddspreg"); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1158 | } |
| 1159 | |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1160 | void Clang::AddMIPSTargetArgs(const ArgList &Args, |
Simon Atanasyan | a814161 | 2013-04-14 14:07:41 +0000 | [diff] [blame] | 1161 | ArgStringList &CmdArgs) const { |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1162 | const Driver &D = getToolChain().getDriver(); |
| 1163 | StringRef CPUName; |
| 1164 | StringRef ABIName; |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1165 | const llvm::Triple &Triple = getToolChain().getTriple(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1166 | mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); |
Simon Atanasyan | 5e62779 | 2012-06-02 15:06:29 +0000 | [diff] [blame] | 1167 | |
| 1168 | CmdArgs.push_back("-target-abi"); |
| 1169 | CmdArgs.push_back(ABIName.data()); |
| 1170 | |
| 1171 | StringRef FloatABI = getMipsFloatABI(D, Args); |
| 1172 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1173 | if (FloatABI == "soft") { |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1174 | // Floating point operations and argument passing are soft. |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1175 | CmdArgs.push_back("-msoft-float"); |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1176 | CmdArgs.push_back("-mfloat-abi"); |
| 1177 | CmdArgs.push_back("soft"); |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1178 | } |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1179 | else { |
| 1180 | // Floating point operations and argument passing are hard. |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1181 | assert(FloatABI == "hard" && "Invalid float abi!"); |
Akira Hatanaka | ad8d8a3 | 2012-03-23 23:07:09 +0000 | [diff] [blame] | 1182 | CmdArgs.push_back("-mfloat-abi"); |
| 1183 | CmdArgs.push_back("hard"); |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1184 | } |
Simon Atanasyan | 0b273ef | 2012-07-05 14:19:39 +0000 | [diff] [blame] | 1185 | |
Simon Atanasyan | bda07ac | 2012-12-01 18:27:21 +0000 | [diff] [blame] | 1186 | if (Arg *A = Args.getLastArg(options::OPT_mxgot, options::OPT_mno_xgot)) { |
| 1187 | if (A->getOption().matches(options::OPT_mxgot)) { |
| 1188 | CmdArgs.push_back("-mllvm"); |
| 1189 | CmdArgs.push_back("-mxgot"); |
| 1190 | } |
| 1191 | } |
| 1192 | |
Simon Atanasyan | 6bdc4c6 | 2013-05-11 06:33:44 +0000 | [diff] [blame] | 1193 | if (Arg *A = Args.getLastArg(options::OPT_mldc1_sdc1, |
| 1194 | options::OPT_mno_ldc1_sdc1)) { |
| 1195 | if (A->getOption().matches(options::OPT_mno_ldc1_sdc1)) { |
| 1196 | CmdArgs.push_back("-mllvm"); |
| 1197 | CmdArgs.push_back("-mno-ldc1-sdc1"); |
| 1198 | } |
| 1199 | } |
| 1200 | |
Akira Hatanaka | cdbc3b3 | 2013-07-19 18:58:48 +0000 | [diff] [blame] | 1201 | if (Arg *A = Args.getLastArg(options::OPT_mcheck_zero_division, |
| 1202 | options::OPT_mno_check_zero_division)) { |
| 1203 | if (A->getOption().matches(options::OPT_mno_check_zero_division)) { |
| 1204 | CmdArgs.push_back("-mllvm"); |
| 1205 | CmdArgs.push_back("-mno-check-zero-division"); |
| 1206 | } |
| 1207 | } |
| 1208 | |
Simon Atanasyan | 9804b76 | 2012-08-27 20:55:56 +0000 | [diff] [blame] | 1209 | if (Arg *A = Args.getLastArg(options::OPT_G)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 1210 | StringRef v = A->getValue(); |
Simon Atanasyan | 9804b76 | 2012-08-27 20:55:56 +0000 | [diff] [blame] | 1211 | CmdArgs.push_back("-mllvm"); |
| 1212 | CmdArgs.push_back(Args.MakeArgString("-mips-ssection-threshold=" + v)); |
| 1213 | A->claim(); |
| 1214 | } |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 1215 | } |
| 1216 | |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1217 | /// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting. |
| 1218 | static std::string getPPCTargetCPU(const ArgList &Args) { |
| 1219 | if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 1220 | StringRef CPUName = A->getValue(); |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1221 | |
| 1222 | if (CPUName == "native") { |
| 1223 | std::string CPU = llvm::sys::getHostCPUName(); |
| 1224 | if (!CPU.empty() && CPU != "generic") |
| 1225 | return CPU; |
| 1226 | else |
| 1227 | return ""; |
| 1228 | } |
| 1229 | |
| 1230 | return llvm::StringSwitch<const char *>(CPUName) |
| 1231 | .Case("common", "generic") |
| 1232 | .Case("440", "440") |
| 1233 | .Case("440fp", "440") |
| 1234 | .Case("450", "450") |
| 1235 | .Case("601", "601") |
| 1236 | .Case("602", "602") |
| 1237 | .Case("603", "603") |
| 1238 | .Case("603e", "603e") |
| 1239 | .Case("603ev", "603ev") |
| 1240 | .Case("604", "604") |
| 1241 | .Case("604e", "604e") |
| 1242 | .Case("620", "620") |
Bill Schmidt | 2821e18 | 2013-02-01 20:23:10 +0000 | [diff] [blame] | 1243 | .Case("630", "pwr3") |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1244 | .Case("G3", "g3") |
| 1245 | .Case("7400", "7400") |
| 1246 | .Case("G4", "g4") |
| 1247 | .Case("7450", "7450") |
| 1248 | .Case("G4+", "g4+") |
| 1249 | .Case("750", "750") |
| 1250 | .Case("970", "970") |
| 1251 | .Case("G5", "g5") |
| 1252 | .Case("a2", "a2") |
Hal Finkel | 5ccd3d0 | 2013-02-01 05:53:33 +0000 | [diff] [blame] | 1253 | .Case("a2q", "a2q") |
Hal Finkel | 7de3296 | 2012-09-18 22:25:03 +0000 | [diff] [blame] | 1254 | .Case("e500mc", "e500mc") |
| 1255 | .Case("e5500", "e5500") |
Bill Schmidt | 2821e18 | 2013-02-01 20:23:10 +0000 | [diff] [blame] | 1256 | .Case("power3", "pwr3") |
| 1257 | .Case("power4", "pwr4") |
| 1258 | .Case("power5", "pwr5") |
| 1259 | .Case("power5x", "pwr5x") |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1260 | .Case("power6", "pwr6") |
Bill Schmidt | 2821e18 | 2013-02-01 20:23:10 +0000 | [diff] [blame] | 1261 | .Case("power6x", "pwr6x") |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1262 | .Case("power7", "pwr7") |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1263 | .Case("power8", "pwr8") |
Bill Schmidt | 2821e18 | 2013-02-01 20:23:10 +0000 | [diff] [blame] | 1264 | .Case("pwr3", "pwr3") |
| 1265 | .Case("pwr4", "pwr4") |
| 1266 | .Case("pwr5", "pwr5") |
| 1267 | .Case("pwr5x", "pwr5x") |
| 1268 | .Case("pwr6", "pwr6") |
| 1269 | .Case("pwr6x", "pwr6x") |
| 1270 | .Case("pwr7", "pwr7") |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1271 | .Case("pwr8", "pwr8") |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1272 | .Case("powerpc", "ppc") |
| 1273 | .Case("powerpc64", "ppc64") |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 1274 | .Case("powerpc64le", "ppc64le") |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1275 | .Default(""); |
| 1276 | } |
| 1277 | |
| 1278 | return ""; |
| 1279 | } |
| 1280 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1281 | static void getPPCTargetFeatures(const ArgList &Args, |
| 1282 | std::vector<const char *> &Features) { |
Eric Christopher | d5e59fc | 2013-10-16 20:40:08 +0000 | [diff] [blame] | 1283 | for (arg_iterator it = Args.filtered_begin(options::OPT_m_ppc_Features_Group), |
| 1284 | ie = Args.filtered_end(); |
| 1285 | it != ie; ++it) { |
| 1286 | StringRef Name = (*it)->getOption().getName(); |
| 1287 | (*it)->claim(); |
| 1288 | |
| 1289 | // Skip over "-m". |
| 1290 | assert(Name.startswith("m") && "Invalid feature name."); |
| 1291 | Name = Name.substr(1); |
| 1292 | |
| 1293 | bool IsNegative = Name.startswith("no-"); |
| 1294 | if (IsNegative) |
| 1295 | Name = Name.substr(3); |
| 1296 | |
| 1297 | // Note that gcc calls this mfcrf and LLVM calls this mfocrf so we |
| 1298 | // pass the correct option to the backend while calling the frontend |
| 1299 | // option the same. |
| 1300 | // TODO: Change the LLVM backend option maybe? |
| 1301 | if (Name == "mfcrf") |
| 1302 | Name = "mfocrf"; |
| 1303 | |
| 1304 | Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); |
| 1305 | } |
| 1306 | |
| 1307 | // Altivec is a bit weird, allow overriding of the Altivec feature here. |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1308 | AddTargetFeature(Args, Features, options::OPT_faltivec, |
| 1309 | options::OPT_fno_altivec, "altivec"); |
Hal Finkel | 02a8427 | 2012-06-11 22:35:19 +0000 | [diff] [blame] | 1310 | } |
| 1311 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1312 | void Clang::AddPPCTargetArgs(const ArgList &Args, |
| 1313 | ArgStringList &CmdArgs) const { |
| 1314 | // Select the ABI to use. |
| 1315 | const char *ABIName = nullptr; |
| 1316 | if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { |
| 1317 | ABIName = A->getValue(); |
| 1318 | } else if (getToolChain().getTriple().isOSLinux()) |
| 1319 | switch(getToolChain().getArch()) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1320 | case llvm::Triple::ppc64: { |
| 1321 | // When targeting a processor that supports QPX, or if QPX is |
| 1322 | // specifically enabled, default to using the ABI that supports QPX (so |
| 1323 | // long as it is not specifically disabled). |
| 1324 | bool HasQPX = false; |
| 1325 | if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) |
| 1326 | HasQPX = A->getValue() == StringRef("a2q"); |
| 1327 | HasQPX = Args.hasFlag(options::OPT_mqpx, options::OPT_mno_qpx, HasQPX); |
| 1328 | if (HasQPX) { |
| 1329 | ABIName = "elfv1-qpx"; |
| 1330 | break; |
| 1331 | } |
| 1332 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1333 | ABIName = "elfv1"; |
| 1334 | break; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1335 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1336 | case llvm::Triple::ppc64le: |
| 1337 | ABIName = "elfv2"; |
| 1338 | break; |
| 1339 | default: |
| 1340 | break; |
| 1341 | } |
| 1342 | |
| 1343 | if (ABIName) { |
| 1344 | CmdArgs.push_back("-target-abi"); |
| 1345 | CmdArgs.push_back(ABIName); |
| 1346 | } |
| 1347 | } |
| 1348 | |
| 1349 | bool ppc::hasPPCAbiArg(const ArgList &Args, const char *Value) { |
| 1350 | Arg *A = Args.getLastArg(options::OPT_mabi_EQ); |
| 1351 | return A && (A->getValue() == StringRef(Value)); |
| 1352 | } |
| 1353 | |
Tom Stellard | e25d2f6 | 2013-04-01 20:56:53 +0000 | [diff] [blame] | 1354 | /// Get the (LLVM) name of the R600 gpu we are targeting. |
| 1355 | static std::string getR600TargetGPU(const ArgList &Args) { |
| 1356 | if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { |
Benjamin Kramer | 39e4b0f | 2013-10-21 12:33:55 +0000 | [diff] [blame] | 1357 | const char *GPUName = A->getValue(); |
Tom Stellard | e25d2f6 | 2013-04-01 20:56:53 +0000 | [diff] [blame] | 1358 | return llvm::StringSwitch<const char *>(GPUName) |
Tom Stellard | fd4aa4b | 2013-05-06 16:12:05 +0000 | [diff] [blame] | 1359 | .Cases("rv630", "rv635", "r600") |
| 1360 | .Cases("rv610", "rv620", "rs780", "rs880") |
Tom Stellard | e25d2f6 | 2013-04-01 20:56:53 +0000 | [diff] [blame] | 1361 | .Case("rv740", "rv770") |
| 1362 | .Case("palm", "cedar") |
Tom Stellard | fd4aa4b | 2013-05-06 16:12:05 +0000 | [diff] [blame] | 1363 | .Cases("sumo", "sumo2", "sumo") |
Tom Stellard | e25d2f6 | 2013-04-01 20:56:53 +0000 | [diff] [blame] | 1364 | .Case("hemlock", "cypress") |
| 1365 | .Case("aruba", "cayman") |
Benjamin Kramer | 39e4b0f | 2013-10-21 12:33:55 +0000 | [diff] [blame] | 1366 | .Default(GPUName); |
Tom Stellard | e25d2f6 | 2013-04-01 20:56:53 +0000 | [diff] [blame] | 1367 | } |
| 1368 | return ""; |
| 1369 | } |
| 1370 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1371 | static void getSparcTargetFeatures(const ArgList &Args, |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1372 | std::vector<const char *> &Features) { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1373 | bool SoftFloatABI = true; |
| 1374 | if (Arg *A = |
| 1375 | Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float)) { |
| 1376 | if (A->getOption().matches(options::OPT_mhard_float)) |
| 1377 | SoftFloatABI = false; |
| 1378 | } |
| 1379 | if (SoftFloatABI) |
| 1380 | Features.push_back("+soft-float"); |
| 1381 | } |
| 1382 | |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 1383 | void Clang::AddSparcTargetArgs(const ArgList &Args, |
| 1384 | ArgStringList &CmdArgs) const { |
| 1385 | const Driver &D = getToolChain().getDriver(); |
| 1386 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1387 | // Select the float ABI as determined by -msoft-float and -mhard-float. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1388 | StringRef FloatABI; |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 1389 | if (Arg *A = Args.getLastArg(options::OPT_msoft_float, |
| 1390 | options::OPT_mhard_float)) { |
| 1391 | if (A->getOption().matches(options::OPT_msoft_float)) |
| 1392 | FloatABI = "soft"; |
| 1393 | else if (A->getOption().matches(options::OPT_mhard_float)) |
| 1394 | FloatABI = "hard"; |
| 1395 | } |
| 1396 | |
| 1397 | // If unspecified, choose the default based on the platform. |
| 1398 | if (FloatABI.empty()) { |
Aaron Ballman | d58915e | 2013-07-15 13:41:33 +0000 | [diff] [blame] | 1399 | // Assume "soft", but warn the user we are guessing. |
| 1400 | FloatABI = "soft"; |
| 1401 | D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft"; |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | if (FloatABI == "soft") { |
| 1405 | // Floating point operations and argument passing are soft. |
| 1406 | // |
| 1407 | // FIXME: This changes CPP defines, we need -target-soft-float. |
| 1408 | CmdArgs.push_back("-msoft-float"); |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 1409 | } else { |
| 1410 | assert(FloatABI == "hard" && "Invalid float abi!"); |
| 1411 | CmdArgs.push_back("-mhard-float"); |
| 1412 | } |
| 1413 | } |
| 1414 | |
Richard Sandiford | 5c92b9a | 2013-07-19 16:51:51 +0000 | [diff] [blame] | 1415 | static const char *getSystemZTargetCPU(const ArgList &Args) { |
| 1416 | if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) |
| 1417 | return A->getValue(); |
| 1418 | return "z10"; |
| 1419 | } |
| 1420 | |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1421 | static const char *getX86TargetCPU(const ArgList &Args, |
| 1422 | const llvm::Triple &Triple) { |
| 1423 | if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) { |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1424 | if (StringRef(A->getValue()) != "native") { |
| 1425 | if (Triple.isOSDarwin() && Triple.getArchName() == "x86_64h") |
| 1426 | return "core-avx2"; |
| 1427 | |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1428 | return A->getValue(); |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1429 | } |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1430 | |
| 1431 | // FIXME: Reject attempts to use -march=native unless the target matches |
| 1432 | // the host. |
| 1433 | // |
| 1434 | // FIXME: We should also incorporate the detected target features for use |
| 1435 | // with -native. |
| 1436 | std::string CPU = llvm::sys::getHostCPUName(); |
| 1437 | if (!CPU.empty() && CPU != "generic") |
| 1438 | return Args.MakeArgString(CPU); |
| 1439 | } |
| 1440 | |
| 1441 | // Select the default CPU if none was given (or detection failed). |
| 1442 | |
| 1443 | if (Triple.getArch() != llvm::Triple::x86_64 && |
| 1444 | Triple.getArch() != llvm::Triple::x86) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1445 | return nullptr; // This routine is only handling x86 targets. |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1446 | |
| 1447 | bool Is64Bit = Triple.getArch() == llvm::Triple::x86_64; |
| 1448 | |
| 1449 | // FIXME: Need target hooks. |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1450 | if (Triple.isOSDarwin()) { |
| 1451 | if (Triple.getArchName() == "x86_64h") |
| 1452 | return "core-avx2"; |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1453 | return Is64Bit ? "core2" : "yonah"; |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1454 | } |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1455 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1456 | // Set up default CPU name for PS4 compilers. |
| 1457 | if (Triple.isPS4CPU()) |
| 1458 | return "btver2"; |
| 1459 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1460 | // On Android use targets compatible with gcc |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1461 | if (Triple.getEnvironment() == llvm::Triple::Android) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1462 | return Is64Bit ? "x86-64" : "i686"; |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1463 | |
Benjamin Kramer | 39e4b0f | 2013-10-21 12:33:55 +0000 | [diff] [blame] | 1464 | // Everything else goes to x86-64 in 64-bit mode. |
| 1465 | if (Is64Bit) |
| 1466 | return "x86-64"; |
| 1467 | |
| 1468 | switch (Triple.getOS()) { |
| 1469 | case llvm::Triple::FreeBSD: |
| 1470 | case llvm::Triple::NetBSD: |
| 1471 | case llvm::Triple::OpenBSD: |
| 1472 | return "i486"; |
| 1473 | case llvm::Triple::Haiku: |
| 1474 | return "i586"; |
| 1475 | case llvm::Triple::Bitrig: |
| 1476 | return "i686"; |
| 1477 | default: |
| 1478 | // Fallback to p4. |
| 1479 | return "pentium4"; |
| 1480 | } |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1483 | static std::string getCPUName(const ArgList &Args, const llvm::Triple &T) { |
| 1484 | switch(T.getArch()) { |
| 1485 | default: |
| 1486 | return ""; |
| 1487 | |
Amara Emerson | 3bb1b5c | 2013-10-31 09:32:33 +0000 | [diff] [blame] | 1488 | case llvm::Triple::aarch64: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1489 | case llvm::Triple::aarch64_be: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1490 | return getAArch64TargetCPU(Args); |
Amara Emerson | 3bb1b5c | 2013-10-31 09:32:33 +0000 | [diff] [blame] | 1491 | |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1492 | case llvm::Triple::arm: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1493 | case llvm::Triple::armeb: |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1494 | case llvm::Triple::thumb: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1495 | case llvm::Triple::thumbeb: |
| 1496 | return arm::getARMTargetCPU(Args, T); |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1497 | |
| 1498 | case llvm::Triple::mips: |
| 1499 | case llvm::Triple::mipsel: |
| 1500 | case llvm::Triple::mips64: |
| 1501 | case llvm::Triple::mips64el: { |
| 1502 | StringRef CPUName; |
| 1503 | StringRef ABIName; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1504 | mips::getMipsCPUAndABI(Args, T, CPUName, ABIName); |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1505 | return CPUName; |
| 1506 | } |
| 1507 | |
| 1508 | case llvm::Triple::ppc: |
| 1509 | case llvm::Triple::ppc64: |
| 1510 | case llvm::Triple::ppc64le: { |
| 1511 | std::string TargetCPUName = getPPCTargetCPU(Args); |
| 1512 | // LLVM may default to generating code for the native CPU, |
| 1513 | // but, like gcc, we default to a more generic option for |
| 1514 | // each architecture. (except on Darwin) |
| 1515 | if (TargetCPUName.empty() && !T.isOSDarwin()) { |
| 1516 | if (T.getArch() == llvm::Triple::ppc64) |
| 1517 | TargetCPUName = "ppc64"; |
| 1518 | else if (T.getArch() == llvm::Triple::ppc64le) |
| 1519 | TargetCPUName = "ppc64le"; |
| 1520 | else |
| 1521 | TargetCPUName = "ppc"; |
| 1522 | } |
| 1523 | return TargetCPUName; |
| 1524 | } |
| 1525 | |
| 1526 | case llvm::Triple::sparc: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1527 | case llvm::Triple::sparcv9: |
| 1528 | if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1529 | return A->getValue(); |
| 1530 | return ""; |
| 1531 | |
| 1532 | case llvm::Triple::x86: |
| 1533 | case llvm::Triple::x86_64: |
| 1534 | return getX86TargetCPU(Args, T); |
| 1535 | |
| 1536 | case llvm::Triple::hexagon: |
| 1537 | return "hexagon" + toolchains::Hexagon_TC::GetTargetCPU(Args).str(); |
| 1538 | |
| 1539 | case llvm::Triple::systemz: |
| 1540 | return getSystemZTargetCPU(Args); |
| 1541 | |
| 1542 | case llvm::Triple::r600: |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1543 | case llvm::Triple::amdgcn: |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 1544 | return getR600TargetGPU(Args); |
| 1545 | } |
| 1546 | } |
| 1547 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1548 | static void AddGoldPlugin(const ToolChain &ToolChain, const ArgList &Args, |
| 1549 | ArgStringList &CmdArgs) { |
| 1550 | // Tell the linker to load the plugin. This has to come before AddLinkerInputs |
| 1551 | // as gold requires -plugin to come before any -plugin-opt that -Wl might |
| 1552 | // forward. |
| 1553 | CmdArgs.push_back("-plugin"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1554 | std::string Plugin = ToolChain.getDriver().Dir + "/../lib" CLANG_LIBDIR_SUFFIX "/LLVMgold.so"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1555 | CmdArgs.push_back(Args.MakeArgString(Plugin)); |
| 1556 | |
| 1557 | // Try to pass driver level flags relevant to LTO code generation down to |
| 1558 | // the plugin. |
| 1559 | |
| 1560 | // Handle flags for selecting CPU variants. |
| 1561 | std::string CPU = getCPUName(Args, ToolChain.getTriple()); |
| 1562 | if (!CPU.empty()) |
| 1563 | CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=mcpu=") + CPU)); |
| 1564 | } |
| 1565 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1566 | static void getX86TargetFeatures(const Driver &D, const llvm::Triple &Triple, |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1567 | const ArgList &Args, |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1568 | std::vector<const char *> &Features) { |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1569 | if (Triple.getArchName() == "x86_64h") { |
| 1570 | // x86_64h implies quite a few of the more modern subtarget features |
| 1571 | // for Haswell class CPUs, but not all of them. Opt-out of a few. |
| 1572 | Features.push_back("-rdrnd"); |
| 1573 | Features.push_back("-aes"); |
| 1574 | Features.push_back("-pclmul"); |
| 1575 | Features.push_back("-rtm"); |
| 1576 | Features.push_back("-hle"); |
| 1577 | Features.push_back("-fsgsbase"); |
| 1578 | } |
| 1579 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1580 | // Add features to be compatible with gcc for Android. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1581 | if (Triple.getEnvironment() == llvm::Triple::Android) { |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1582 | if (Triple.getArch() == llvm::Triple::x86_64) { |
| 1583 | Features.push_back("+sse4.2"); |
| 1584 | Features.push_back("+popcnt"); |
| 1585 | } else |
| 1586 | Features.push_back("+ssse3"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1587 | } |
| 1588 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1589 | // Set features according to the -arch flag on MSVC. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1590 | if (Arg *A = Args.getLastArg(options::OPT__SLASH_arch)) { |
| 1591 | StringRef Arch = A->getValue(); |
| 1592 | bool ArchUsed = false; |
| 1593 | // First, look for flags that are shared in x86 and x86-64. |
| 1594 | if (Triple.getArch() == llvm::Triple::x86_64 || |
| 1595 | Triple.getArch() == llvm::Triple::x86) { |
| 1596 | if (Arch == "AVX" || Arch == "AVX2") { |
| 1597 | ArchUsed = true; |
| 1598 | Features.push_back(Args.MakeArgString("+" + Arch.lower())); |
| 1599 | } |
| 1600 | } |
| 1601 | // Then, look for x86-specific flags. |
| 1602 | if (Triple.getArch() == llvm::Triple::x86) { |
| 1603 | if (Arch == "IA32") { |
| 1604 | ArchUsed = true; |
| 1605 | } else if (Arch == "SSE" || Arch == "SSE2") { |
| 1606 | ArchUsed = true; |
| 1607 | Features.push_back(Args.MakeArgString("+" + Arch.lower())); |
| 1608 | } |
| 1609 | } |
| 1610 | if (!ArchUsed) |
| 1611 | D.Diag(clang::diag::warn_drv_unused_argument) << A->getAsString(Args); |
| 1612 | } |
| 1613 | |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 1614 | // Now add any that the user explicitly requested on the command line, |
| 1615 | // which may override the defaults. |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1616 | for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group), |
| 1617 | ie = Args.filtered_end(); |
| 1618 | it != ie; ++it) { |
| 1619 | StringRef Name = (*it)->getOption().getName(); |
| 1620 | (*it)->claim(); |
| 1621 | |
| 1622 | // Skip over "-m". |
| 1623 | assert(Name.startswith("m") && "Invalid feature name."); |
| 1624 | Name = Name.substr(1); |
| 1625 | |
| 1626 | bool IsNegative = Name.startswith("no-"); |
| 1627 | if (IsNegative) |
| 1628 | Name = Name.substr(3); |
| 1629 | |
| 1630 | Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name)); |
| 1631 | } |
| 1632 | } |
| 1633 | |
Daniel Dunbar | 6acda16 | 2009-09-09 22:33:08 +0000 | [diff] [blame] | 1634 | void Clang::AddX86TargetArgs(const ArgList &Args, |
| 1635 | ArgStringList &CmdArgs) const { |
Daniel Dunbar | e6ad3f9 | 2009-09-10 22:59:57 +0000 | [diff] [blame] | 1636 | if (!Args.hasFlag(options::OPT_mred_zone, |
| 1637 | options::OPT_mno_red_zone, |
| 1638 | true) || |
| 1639 | Args.hasArg(options::OPT_mkernel) || |
| 1640 | Args.hasArg(options::OPT_fapple_kext)) |
Daniel Dunbar | 66861e0 | 2009-11-20 22:21:36 +0000 | [diff] [blame] | 1641 | CmdArgs.push_back("-disable-red-zone"); |
Daniel Dunbar | e6ad3f9 | 2009-09-10 22:59:57 +0000 | [diff] [blame] | 1642 | |
Bob Wilson | f0c5456 | 2013-02-10 16:01:41 +0000 | [diff] [blame] | 1643 | // Default to avoid implicit floating-point for kernel/kext code, but allow |
| 1644 | // that to be overridden with -mno-soft-float. |
| 1645 | bool NoImplicitFloat = (Args.hasArg(options::OPT_mkernel) || |
| 1646 | Args.hasArg(options::OPT_fapple_kext)); |
| 1647 | if (Arg *A = Args.getLastArg(options::OPT_msoft_float, |
| 1648 | options::OPT_mno_soft_float, |
Bob Wilson | f6f77bd | 2013-04-11 18:53:25 +0000 | [diff] [blame] | 1649 | options::OPT_mimplicit_float, |
Bob Wilson | f0c5456 | 2013-02-10 16:01:41 +0000 | [diff] [blame] | 1650 | options::OPT_mno_implicit_float)) { |
| 1651 | const Option &O = A->getOption(); |
| 1652 | NoImplicitFloat = (O.matches(options::OPT_mno_implicit_float) || |
| 1653 | O.matches(options::OPT_msoft_float)); |
| 1654 | } |
| 1655 | if (NoImplicitFloat) |
Daniel Dunbar | 66861e0 | 2009-11-20 22:21:36 +0000 | [diff] [blame] | 1656 | CmdArgs.push_back("-no-implicit-float"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1657 | |
| 1658 | if (Arg *A = Args.getLastArg(options::OPT_masm_EQ)) { |
| 1659 | StringRef Value = A->getValue(); |
| 1660 | if (Value == "intel" || Value == "att") { |
| 1661 | CmdArgs.push_back("-mllvm"); |
| 1662 | CmdArgs.push_back(Args.MakeArgString("-x86-asm-syntax=" + Value)); |
| 1663 | } else { |
| 1664 | getToolChain().getDriver().Diag(diag::err_drv_unsupported_option_argument) |
| 1665 | << A->getOption().getName() << Value; |
| 1666 | } |
| 1667 | } |
Daniel Dunbar | 6acda16 | 2009-09-09 22:33:08 +0000 | [diff] [blame] | 1668 | } |
| 1669 | |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 1670 | static inline bool HasPICArg(const ArgList &Args) { |
| 1671 | return Args.hasArg(options::OPT_fPIC) |
| 1672 | || Args.hasArg(options::OPT_fpic); |
| 1673 | } |
| 1674 | |
| 1675 | static Arg *GetLastSmallDataThresholdArg(const ArgList &Args) { |
| 1676 | return Args.getLastArg(options::OPT_G, |
| 1677 | options::OPT_G_EQ, |
| 1678 | options::OPT_msmall_data_threshold_EQ); |
| 1679 | } |
| 1680 | |
| 1681 | static std::string GetHexagonSmallDataThresholdValue(const ArgList &Args) { |
| 1682 | std::string value; |
| 1683 | if (HasPICArg(Args)) |
| 1684 | value = "0"; |
| 1685 | else if (Arg *A = GetLastSmallDataThresholdArg(Args)) { |
| 1686 | value = A->getValue(); |
| 1687 | A->claim(); |
| 1688 | } |
| 1689 | return value; |
| 1690 | } |
| 1691 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1692 | void Clang::AddHexagonTargetArgs(const ArgList &Args, |
| 1693 | ArgStringList &CmdArgs) const { |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1694 | CmdArgs.push_back("-fno-signed-char"); |
Matthew Curtis | 1dbaef5 | 2012-12-07 13:52:44 +0000 | [diff] [blame] | 1695 | CmdArgs.push_back("-mqdsp6-compat"); |
| 1696 | CmdArgs.push_back("-Wreturn-type"); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1697 | |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 1698 | std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args); |
| 1699 | if (!SmallDataThreshold.empty()) { |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1700 | CmdArgs.push_back ("-mllvm"); |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 1701 | CmdArgs.push_back(Args.MakeArgString( |
| 1702 | "-hexagon-small-data-threshold=" + SmallDataThreshold)); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1703 | } |
| 1704 | |
Sirish Pande | 5f9688b | 2012-05-10 20:19:54 +0000 | [diff] [blame] | 1705 | if (!Args.hasArg(options::OPT_fno_short_enums)) |
| 1706 | CmdArgs.push_back("-fshort-enums"); |
| 1707 | if (Args.getLastArg(options::OPT_mieee_rnd_near)) { |
| 1708 | CmdArgs.push_back ("-mllvm"); |
| 1709 | CmdArgs.push_back ("-enable-hexagon-ieee-rnd-near"); |
| 1710 | } |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 1711 | CmdArgs.push_back ("-mllvm"); |
| 1712 | CmdArgs.push_back ("-machine-sink-split=0"); |
| 1713 | } |
| 1714 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1715 | // Decode AArch64 features from string like +[no]featureA+[no]featureB+... |
| 1716 | static bool DecodeAArch64Features(const Driver &D, StringRef text, |
| 1717 | std::vector<const char *> &Features) { |
| 1718 | SmallVector<StringRef, 8> Split; |
| 1719 | text.split(Split, StringRef("+"), -1, false); |
| 1720 | |
| 1721 | for (unsigned I = 0, E = Split.size(); I != E; ++I) { |
| 1722 | const char *result = llvm::StringSwitch<const char *>(Split[I]) |
| 1723 | .Case("fp", "+fp-armv8") |
| 1724 | .Case("simd", "+neon") |
| 1725 | .Case("crc", "+crc") |
| 1726 | .Case("crypto", "+crypto") |
| 1727 | .Case("nofp", "-fp-armv8") |
| 1728 | .Case("nosimd", "-neon") |
| 1729 | .Case("nocrc", "-crc") |
| 1730 | .Case("nocrypto", "-crypto") |
| 1731 | .Default(nullptr); |
| 1732 | if (result) |
| 1733 | Features.push_back(result); |
| 1734 | else if (Split[I] == "neon" || Split[I] == "noneon") |
| 1735 | D.Diag(diag::err_drv_no_neon_modifier); |
| 1736 | else |
| 1737 | return false; |
| 1738 | } |
| 1739 | return true; |
| 1740 | } |
| 1741 | |
| 1742 | // Check if the CPU name and feature modifiers in -mcpu are legal. If yes, |
| 1743 | // decode CPU and feature. |
| 1744 | static bool DecodeAArch64Mcpu(const Driver &D, StringRef Mcpu, StringRef &CPU, |
| 1745 | std::vector<const char *> &Features) { |
| 1746 | std::pair<StringRef, StringRef> Split = Mcpu.split("+"); |
| 1747 | CPU = Split.first; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1748 | if (CPU == "cyclone" || CPU == "cortex-a53" || CPU == "cortex-a57" || CPU == "cortex-a72") { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1749 | Features.push_back("+neon"); |
| 1750 | Features.push_back("+crc"); |
| 1751 | Features.push_back("+crypto"); |
| 1752 | } else if (CPU == "generic") { |
| 1753 | Features.push_back("+neon"); |
| 1754 | } else { |
| 1755 | return false; |
| 1756 | } |
| 1757 | |
| 1758 | if (Split.second.size() && !DecodeAArch64Features(D, Split.second, Features)) |
| 1759 | return false; |
| 1760 | |
| 1761 | return true; |
| 1762 | } |
| 1763 | |
| 1764 | static bool |
| 1765 | getAArch64ArchFeaturesFromMarch(const Driver &D, StringRef March, |
| 1766 | const ArgList &Args, |
| 1767 | std::vector<const char *> &Features) { |
| 1768 | std::pair<StringRef, StringRef> Split = March.split("+"); |
| 1769 | if (Split.first != "armv8-a") |
| 1770 | return false; |
| 1771 | |
| 1772 | if (Split.second.size() && !DecodeAArch64Features(D, Split.second, Features)) |
| 1773 | return false; |
| 1774 | |
| 1775 | return true; |
| 1776 | } |
| 1777 | |
| 1778 | static bool |
| 1779 | getAArch64ArchFeaturesFromMcpu(const Driver &D, StringRef Mcpu, |
| 1780 | const ArgList &Args, |
| 1781 | std::vector<const char *> &Features) { |
| 1782 | StringRef CPU; |
| 1783 | if (!DecodeAArch64Mcpu(D, Mcpu, CPU, Features)) |
| 1784 | return false; |
| 1785 | |
| 1786 | return true; |
| 1787 | } |
| 1788 | |
| 1789 | static bool |
| 1790 | getAArch64MicroArchFeaturesFromMtune(const Driver &D, StringRef Mtune, |
| 1791 | const ArgList &Args, |
| 1792 | std::vector<const char *> &Features) { |
| 1793 | // Handle CPU name is 'native'. |
| 1794 | if (Mtune == "native") |
| 1795 | Mtune = llvm::sys::getHostCPUName(); |
| 1796 | if (Mtune == "cyclone") { |
| 1797 | Features.push_back("+zcm"); |
| 1798 | Features.push_back("+zcz"); |
| 1799 | } |
| 1800 | return true; |
| 1801 | } |
| 1802 | |
| 1803 | static bool |
| 1804 | getAArch64MicroArchFeaturesFromMcpu(const Driver &D, StringRef Mcpu, |
| 1805 | const ArgList &Args, |
| 1806 | std::vector<const char *> &Features) { |
| 1807 | StringRef CPU; |
| 1808 | std::vector<const char *> DecodedFeature; |
| 1809 | if (!DecodeAArch64Mcpu(D, Mcpu, CPU, DecodedFeature)) |
| 1810 | return false; |
| 1811 | |
| 1812 | return getAArch64MicroArchFeaturesFromMtune(D, CPU, Args, Features); |
| 1813 | } |
| 1814 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1815 | static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args, |
| 1816 | std::vector<const char *> &Features) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1817 | Arg *A; |
| 1818 | bool success = true; |
| 1819 | // Enable NEON by default. |
| 1820 | Features.push_back("+neon"); |
| 1821 | if ((A = Args.getLastArg(options::OPT_march_EQ))) |
| 1822 | success = getAArch64ArchFeaturesFromMarch(D, A->getValue(), Args, Features); |
| 1823 | else if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) |
| 1824 | success = getAArch64ArchFeaturesFromMcpu(D, A->getValue(), Args, Features); |
| 1825 | else if (Args.hasArg(options::OPT_arch)) |
| 1826 | success = getAArch64ArchFeaturesFromMcpu(D, getAArch64TargetCPU(Args), Args, |
| 1827 | Features); |
| 1828 | |
| 1829 | if (success && (A = Args.getLastArg(options::OPT_mtune_EQ))) |
| 1830 | success = |
| 1831 | getAArch64MicroArchFeaturesFromMtune(D, A->getValue(), Args, Features); |
| 1832 | else if (success && (A = Args.getLastArg(options::OPT_mcpu_EQ))) |
| 1833 | success = |
| 1834 | getAArch64MicroArchFeaturesFromMcpu(D, A->getValue(), Args, Features); |
| 1835 | else if (Args.hasArg(options::OPT_arch)) |
| 1836 | success = getAArch64MicroArchFeaturesFromMcpu(D, getAArch64TargetCPU(Args), |
| 1837 | Args, Features); |
| 1838 | |
| 1839 | if (!success) |
| 1840 | D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1841 | |
| 1842 | if (Args.getLastArg(options::OPT_mgeneral_regs_only)) { |
| 1843 | Features.push_back("-fp-armv8"); |
| 1844 | Features.push_back("-crypto"); |
| 1845 | Features.push_back("-neon"); |
| 1846 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1847 | |
| 1848 | // En/disable crc |
| 1849 | if (Arg *A = Args.getLastArg(options::OPT_mcrc, |
| 1850 | options::OPT_mnocrc)) { |
| 1851 | if (A->getOption().matches(options::OPT_mcrc)) |
| 1852 | Features.push_back("+crc"); |
| 1853 | else |
| 1854 | Features.push_back("-crc"); |
| 1855 | } |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1856 | } |
| 1857 | |
| 1858 | static void getTargetFeatures(const Driver &D, const llvm::Triple &Triple, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1859 | const ArgList &Args, ArgStringList &CmdArgs, |
| 1860 | bool ForAS) { |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1861 | std::vector<const char *> Features; |
| 1862 | switch (Triple.getArch()) { |
| 1863 | default: |
| 1864 | break; |
| 1865 | case llvm::Triple::mips: |
| 1866 | case llvm::Triple::mipsel: |
| 1867 | case llvm::Triple::mips64: |
| 1868 | case llvm::Triple::mips64el: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1869 | getMIPSTargetFeatures(D, Triple, Args, Features); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1870 | break; |
| 1871 | |
| 1872 | case llvm::Triple::arm: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1873 | case llvm::Triple::armeb: |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1874 | case llvm::Triple::thumb: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1875 | case llvm::Triple::thumbeb: |
| 1876 | getARMTargetFeatures(D, Triple, Args, Features, ForAS); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1877 | break; |
| 1878 | |
| 1879 | case llvm::Triple::ppc: |
| 1880 | case llvm::Triple::ppc64: |
| 1881 | case llvm::Triple::ppc64le: |
| 1882 | getPPCTargetFeatures(Args, Features); |
| 1883 | break; |
| 1884 | case llvm::Triple::sparc: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1885 | case llvm::Triple::sparcv9: |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1886 | getSparcTargetFeatures(Args, Features); |
| 1887 | break; |
| 1888 | case llvm::Triple::aarch64: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1889 | case llvm::Triple::aarch64_be: |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1890 | getAArch64TargetFeatures(D, Args, Features); |
| 1891 | break; |
| 1892 | case llvm::Triple::x86: |
| 1893 | case llvm::Triple::x86_64: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1894 | getX86TargetFeatures(D, Triple, Args, Features); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1895 | break; |
| 1896 | } |
Rafael Espindola | bc1e545 | 2013-08-21 17:34:32 +0000 | [diff] [blame] | 1897 | |
| 1898 | // Find the last of each feature. |
| 1899 | llvm::StringMap<unsigned> LastOpt; |
| 1900 | for (unsigned I = 0, N = Features.size(); I < N; ++I) { |
| 1901 | const char *Name = Features[I]; |
| 1902 | assert(Name[0] == '-' || Name[0] == '+'); |
| 1903 | LastOpt[Name + 1] = I; |
| 1904 | } |
| 1905 | |
| 1906 | for (unsigned I = 0, N = Features.size(); I < N; ++I) { |
| 1907 | // If this feature was overridden, ignore it. |
| 1908 | const char *Name = Features[I]; |
| 1909 | llvm::StringMap<unsigned>::iterator LastI = LastOpt.find(Name + 1); |
| 1910 | assert(LastI != LastOpt.end()); |
| 1911 | unsigned Last = LastI->second; |
| 1912 | if (Last != I) |
| 1913 | continue; |
| 1914 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1915 | CmdArgs.push_back("-target-feature"); |
Rafael Espindola | bc1e545 | 2013-08-21 17:34:32 +0000 | [diff] [blame] | 1916 | CmdArgs.push_back(Name); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 1917 | } |
Tim Northover | b793f0d | 2013-08-01 09:23:19 +0000 | [diff] [blame] | 1918 | } |
| 1919 | |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 1920 | static bool |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 1921 | shouldUseExceptionTablesForObjCExceptions(const ObjCRuntime &runtime, |
Anders Carlsson | 525544d | 2011-02-28 00:44:51 +0000 | [diff] [blame] | 1922 | const llvm::Triple &Triple) { |
| 1923 | // We use the zero-cost exception tables for Objective-C if the non-fragile |
| 1924 | // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and |
| 1925 | // later. |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 1926 | if (runtime.isNonFragile()) |
Anders Carlsson | 525544d | 2011-02-28 00:44:51 +0000 | [diff] [blame] | 1927 | return true; |
| 1928 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1929 | if (!Triple.isMacOSX()) |
Anders Carlsson | 525544d | 2011-02-28 00:44:51 +0000 | [diff] [blame] | 1930 | return false; |
| 1931 | |
Eric Christopher | aa7333c | 2011-07-02 00:20:22 +0000 | [diff] [blame] | 1932 | return (!Triple.isMacOSXVersionLT(10,5) && |
Anders Carlsson | 525544d | 2011-02-28 00:44:51 +0000 | [diff] [blame] | 1933 | (Triple.getArch() == llvm::Triple::x86_64 || |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 1934 | Triple.getArch() == llvm::Triple::arm)); |
Anders Carlsson | 525544d | 2011-02-28 00:44:51 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1937 | // exceptionSettings() exists to share the logic between -cc1 and linker |
| 1938 | // invocations. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1939 | static bool exceptionSettings(const ArgList &Args, const llvm::Triple &Triple) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1940 | if (Arg *A = Args.getLastArg(options::OPT_fexceptions, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1941 | options::OPT_fno_exceptions)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1942 | if (A->getOption().matches(options::OPT_fexceptions)) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1943 | return true; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1944 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1945 | return false; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1946 | } |
| 1947 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1948 | /// Adds exception related arguments to the driver command arguments. There's a |
| 1949 | /// master flag, -fexceptions and also language specific flags to enable/disable |
| 1950 | /// C++ and Objective-C exceptions. This makes it possible to for example |
| 1951 | /// disable C++ exceptions but enable Objective-C exceptions. |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1952 | static void addExceptionArgs(const ArgList &Args, types::ID InputType, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1953 | const ToolChain &TC, bool KernelOrKext, |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 1954 | const ObjCRuntime &objcRuntime, |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1955 | ArgStringList &CmdArgs) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1956 | const Driver &D = TC.getDriver(); |
| 1957 | const llvm::Triple &Triple = TC.getTriple(); |
| 1958 | |
Chad Rosier | afc4baa | 2012-03-26 22:04:46 +0000 | [diff] [blame] | 1959 | if (KernelOrKext) { |
| 1960 | // -mkernel and -fapple-kext imply no exceptions, so claim exception related |
| 1961 | // arguments now to avoid warnings about unused arguments. |
| 1962 | Args.ClaimAllArgs(options::OPT_fexceptions); |
| 1963 | Args.ClaimAllArgs(options::OPT_fno_exceptions); |
| 1964 | Args.ClaimAllArgs(options::OPT_fobjc_exceptions); |
| 1965 | Args.ClaimAllArgs(options::OPT_fno_objc_exceptions); |
| 1966 | Args.ClaimAllArgs(options::OPT_fcxx_exceptions); |
| 1967 | Args.ClaimAllArgs(options::OPT_fno_cxx_exceptions); |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1968 | return; |
Chad Rosier | afc4baa | 2012-03-26 22:04:46 +0000 | [diff] [blame] | 1969 | } |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1970 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1971 | // Gather the exception settings from the command line arguments. |
| 1972 | bool EH = exceptionSettings(Args, Triple); |
Daniel Dunbar | 1a2cd4f | 2010-09-14 23:12:31 +0000 | [diff] [blame] | 1973 | |
Daniel Dunbar | d47ea69 | 2011-03-17 23:28:31 +0000 | [diff] [blame] | 1974 | // Obj-C exceptions are enabled by default, regardless of -fexceptions. This |
| 1975 | // is not necessarily sensible, but follows GCC. |
| 1976 | if (types::isObjC(InputType) && |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 1977 | Args.hasFlag(options::OPT_fobjc_exceptions, |
Daniel Dunbar | d47ea69 | 2011-03-17 23:28:31 +0000 | [diff] [blame] | 1978 | options::OPT_fno_objc_exceptions, |
| 1979 | true)) { |
| 1980 | CmdArgs.push_back("-fobjc-exceptions"); |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1981 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1982 | EH |= shouldUseExceptionTablesForObjCExceptions(objcRuntime, Triple); |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1983 | } |
| 1984 | |
| 1985 | if (types::isCXX(InputType)) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1986 | bool CXXExceptionsEnabled = |
| 1987 | Triple.getArch() != llvm::Triple::xcore && !Triple.isPS4CPU(); |
| 1988 | Arg *ExceptionArg = Args.getLastArg( |
| 1989 | options::OPT_fcxx_exceptions, options::OPT_fno_cxx_exceptions, |
| 1990 | options::OPT_fexceptions, options::OPT_fno_exceptions); |
| 1991 | if (ExceptionArg) |
| 1992 | CXXExceptionsEnabled = |
| 1993 | ExceptionArg->getOption().matches(options::OPT_fcxx_exceptions) || |
| 1994 | ExceptionArg->getOption().matches(options::OPT_fexceptions); |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 1995 | |
| 1996 | if (CXXExceptionsEnabled) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1997 | if (Triple.isPS4CPU()) { |
| 1998 | ToolChain::RTTIMode RTTIMode = TC.getRTTIMode(); |
| 1999 | assert(ExceptionArg && |
| 2000 | "On the PS4 exceptions should only be enabled if passing " |
| 2001 | "an argument"); |
| 2002 | if (RTTIMode == ToolChain::RM_DisabledExplicitly) { |
| 2003 | const Arg *RTTIArg = TC.getRTTIArg(); |
| 2004 | assert(RTTIArg && "RTTI disabled explicitly but no RTTIArg!"); |
| 2005 | D.Diag(diag::err_drv_argument_not_allowed_with) |
| 2006 | << RTTIArg->getAsString(Args) << ExceptionArg->getAsString(Args); |
| 2007 | } else if (RTTIMode == ToolChain::RM_EnabledImplicitly) |
| 2008 | D.Diag(diag::warn_drv_enabling_rtti_with_exceptions); |
| 2009 | } else |
| 2010 | assert(TC.getRTTIMode() != ToolChain::RM_DisabledImplicitly); |
| 2011 | |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 2012 | CmdArgs.push_back("-fcxx-exceptions"); |
| 2013 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2014 | EH = true; |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 2015 | } |
| 2016 | } |
| 2017 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2018 | if (EH) |
Anders Carlsson | 15348ae | 2011-02-28 02:27:16 +0000 | [diff] [blame] | 2019 | CmdArgs.push_back("-fexceptions"); |
Rafael Espindola | f759df0 | 2009-10-01 13:33:33 +0000 | [diff] [blame] | 2020 | } |
| 2021 | |
Daniel Dunbar | f491013 | 2013-04-16 18:21:19 +0000 | [diff] [blame] | 2022 | static bool ShouldDisableAutolink(const ArgList &Args, |
| 2023 | const ToolChain &TC) { |
| 2024 | bool Default = true; |
| 2025 | if (TC.getTriple().isOSDarwin()) { |
| 2026 | // The native darwin assembler doesn't support the linker_option directives, |
| 2027 | // so we disable them if we think the .s file will be passed to it. |
| 2028 | Default = TC.useIntegratedAs(); |
| 2029 | } |
| 2030 | return !Args.hasFlag(options::OPT_fautolink, options::OPT_fno_autolink, |
| 2031 | Default); |
| 2032 | } |
| 2033 | |
Ted Kremenek | c06fcdf | 2013-03-12 17:02:12 +0000 | [diff] [blame] | 2034 | static bool ShouldDisableDwarfDirectory(const ArgList &Args, |
| 2035 | const ToolChain &TC) { |
Nick Lewycky | ea523d7 | 2011-10-17 23:05:52 +0000 | [diff] [blame] | 2036 | bool UseDwarfDirectory = Args.hasFlag(options::OPT_fdwarf_directory_asm, |
| 2037 | options::OPT_fno_dwarf_directory_asm, |
Rafael Espindola | af370e6 | 2013-03-18 18:10:27 +0000 | [diff] [blame] | 2038 | TC.useIntegratedAs()); |
Nick Lewycky | ea523d7 | 2011-10-17 23:05:52 +0000 | [diff] [blame] | 2039 | return !UseDwarfDirectory; |
| 2040 | } |
| 2041 | |
Joerg Sonnenberger | 359cf92 | 2011-05-06 14:35:16 +0000 | [diff] [blame] | 2042 | /// \brief Check whether the given input tree contains any compilation actions. |
| 2043 | static bool ContainsCompileAction(const Action *A) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2044 | if (isa<CompileJobAction>(A) || isa<BackendJobAction>(A)) |
Joerg Sonnenberger | 359cf92 | 2011-05-06 14:35:16 +0000 | [diff] [blame] | 2045 | return true; |
| 2046 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2047 | for (const auto &Act : *A) |
| 2048 | if (ContainsCompileAction(Act)) |
Joerg Sonnenberger | 359cf92 | 2011-05-06 14:35:16 +0000 | [diff] [blame] | 2049 | return true; |
| 2050 | |
| 2051 | return false; |
| 2052 | } |
| 2053 | |
| 2054 | /// \brief Check if -relax-all should be passed to the internal assembler. |
| 2055 | /// This is done by default when compiling non-assembler source with -O0. |
| 2056 | static bool UseRelaxAll(Compilation &C, const ArgList &Args) { |
| 2057 | bool RelaxDefault = true; |
| 2058 | |
| 2059 | if (Arg *A = Args.getLastArg(options::OPT_O_Group)) |
| 2060 | RelaxDefault = A->getOption().matches(options::OPT_O0); |
| 2061 | |
| 2062 | if (RelaxDefault) { |
| 2063 | RelaxDefault = false; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2064 | for (const auto &Act : C.getActions()) { |
| 2065 | if (ContainsCompileAction(Act)) { |
Joerg Sonnenberger | 359cf92 | 2011-05-06 14:35:16 +0000 | [diff] [blame] | 2066 | RelaxDefault = true; |
| 2067 | break; |
| 2068 | } |
| 2069 | } |
| 2070 | } |
| 2071 | |
| 2072 | return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all, |
| 2073 | RelaxDefault); |
| 2074 | } |
| 2075 | |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2076 | static void CollectArgsForIntegratedAssembler(Compilation &C, |
| 2077 | const ArgList &Args, |
| 2078 | ArgStringList &CmdArgs, |
| 2079 | const Driver &D) { |
| 2080 | if (UseRelaxAll(C, Args)) |
| 2081 | CmdArgs.push_back("-mrelax-all"); |
| 2082 | |
David Peixotto | 4ca9eae | 2013-11-14 22:52:58 +0000 | [diff] [blame] | 2083 | // When passing -I arguments to the assembler we sometimes need to |
David Peixotto | 2317f7b | 2013-11-14 22:58:17 +0000 | [diff] [blame] | 2084 | // unconditionally take the next argument. For example, when parsing |
David Peixotto | 4ca9eae | 2013-11-14 22:52:58 +0000 | [diff] [blame] | 2085 | // '-Wa,-I -Wa,foo' we need to accept the -Wa,foo arg after seeing the |
| 2086 | // -Wa,-I arg and when parsing '-Wa,-I,foo' we need to accept the 'foo' |
| 2087 | // arg after parsing the '-I' arg. |
| 2088 | bool TakeNextArg = false; |
| 2089 | |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2090 | // When using an integrated assembler, translate -Wa, and -Xassembler |
| 2091 | // options. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2092 | bool CompressDebugSections = false; |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2093 | for (arg_iterator it = Args.filtered_begin(options::OPT_Wa_COMMA, |
| 2094 | options::OPT_Xassembler), |
| 2095 | ie = Args.filtered_end(); it != ie; ++it) { |
| 2096 | const Arg *A = *it; |
| 2097 | A->claim(); |
| 2098 | |
| 2099 | for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) { |
| 2100 | StringRef Value = A->getValue(i); |
David Peixotto | 4ca9eae | 2013-11-14 22:52:58 +0000 | [diff] [blame] | 2101 | if (TakeNextArg) { |
| 2102 | CmdArgs.push_back(Value.data()); |
| 2103 | TakeNextArg = false; |
| 2104 | continue; |
| 2105 | } |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2106 | |
| 2107 | if (Value == "-force_cpusubtype_ALL") { |
| 2108 | // Do nothing, this is the default and we don't support anything else. |
| 2109 | } else if (Value == "-L") { |
| 2110 | CmdArgs.push_back("-msave-temp-labels"); |
| 2111 | } else if (Value == "--fatal-warnings") { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2112 | CmdArgs.push_back("-massembler-fatal-warnings"); |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2113 | } else if (Value == "--noexecstack") { |
| 2114 | CmdArgs.push_back("-mnoexecstack"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2115 | } else if (Value == "-compress-debug-sections" || |
| 2116 | Value == "--compress-debug-sections") { |
| 2117 | CompressDebugSections = true; |
| 2118 | } else if (Value == "-nocompress-debug-sections" || |
| 2119 | Value == "--nocompress-debug-sections") { |
| 2120 | CompressDebugSections = false; |
David Peixotto | 4ca9eae | 2013-11-14 22:52:58 +0000 | [diff] [blame] | 2121 | } else if (Value.startswith("-I")) { |
| 2122 | CmdArgs.push_back(Value.data()); |
| 2123 | // We need to consume the next argument if the current arg is a plain |
| 2124 | // -I. The next arg will be the include directory. |
| 2125 | if (Value == "-I") |
| 2126 | TakeNextArg = true; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2127 | } else if (Value.startswith("-gdwarf-")) { |
| 2128 | CmdArgs.push_back(Value.data()); |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2129 | } else { |
| 2130 | D.Diag(diag::err_drv_unsupported_option_argument) |
| 2131 | << A->getOption().getName() << Value; |
| 2132 | } |
| 2133 | } |
| 2134 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2135 | if (CompressDebugSections) { |
| 2136 | if (llvm::zlib::isAvailable()) |
| 2137 | CmdArgs.push_back("-compress-debug-sections"); |
| 2138 | else |
| 2139 | D.Diag(diag::warn_debug_compression_unavailable); |
| 2140 | } |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2141 | } |
| 2142 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2143 | // Until ARM libraries are build separately, we have them all in one library |
| 2144 | static StringRef getArchNameForCompilerRTLib(const ToolChain &TC) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2145 | // FIXME: handle 64-bit |
| 2146 | if (TC.getTriple().isOSWindows() && |
| 2147 | !TC.getTriple().isWindowsItaniumEnvironment()) |
| 2148 | return "i386"; |
| 2149 | if (TC.getArch() == llvm::Triple::arm || TC.getArch() == llvm::Triple::armeb) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2150 | return "arm"; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2151 | return TC.getArchName(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2152 | } |
| 2153 | |
| 2154 | static SmallString<128> getCompilerRTLibDir(const ToolChain &TC) { |
| 2155 | // The runtimes are located in the OS-specific resource directory. |
| 2156 | SmallString<128> Res(TC.getDriver().ResourceDir); |
| 2157 | const llvm::Triple &Triple = TC.getTriple(); |
| 2158 | // TC.getOS() yield "freebsd10.0" whereas "freebsd" is expected. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2159 | StringRef OSLibName = |
| 2160 | (Triple.getOS() == llvm::Triple::FreeBSD) ? "freebsd" : TC.getOS(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2161 | llvm::sys::path::append(Res, "lib", OSLibName); |
| 2162 | return Res; |
| 2163 | } |
| 2164 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2165 | static SmallString<128> getCompilerRT(const ToolChain &TC, StringRef Component, |
| 2166 | bool Shared = false) { |
| 2167 | const char *Env = TC.getTriple().getEnvironment() == llvm::Triple::Android |
| 2168 | ? "-android" |
| 2169 | : ""; |
| 2170 | |
| 2171 | bool IsOSWindows = TC.getTriple().isOSWindows(); |
| 2172 | StringRef Arch = getArchNameForCompilerRTLib(TC); |
| 2173 | const char *Prefix = IsOSWindows ? "" : "lib"; |
| 2174 | const char *Suffix = |
| 2175 | Shared ? (IsOSWindows ? ".dll" : ".so") : (IsOSWindows ? ".lib" : ".a"); |
| 2176 | |
| 2177 | SmallString<128> Path = getCompilerRTLibDir(TC); |
| 2178 | llvm::sys::path::append(Path, Prefix + Twine("clang_rt.") + Component + "-" + |
| 2179 | Arch + Env + Suffix); |
| 2180 | |
| 2181 | return Path; |
| 2182 | } |
| 2183 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2184 | // This adds the static libclang_rt.builtins-arch.a directly to the command line |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2185 | // FIXME: Make sure we can also emit shared objects if they're requested |
| 2186 | // and available, check for possible errors, etc. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2187 | static void addClangRT(const ToolChain &TC, const ArgList &Args, |
| 2188 | ArgStringList &CmdArgs) { |
| 2189 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "builtins"))); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2190 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2191 | if (!TC.getTriple().isOSWindows()) { |
| 2192 | // FIXME: why do we link against gcc when we are using compiler-rt? |
| 2193 | CmdArgs.push_back("-lgcc_s"); |
| 2194 | if (TC.getDriver().CCCIsCXX()) |
| 2195 | CmdArgs.push_back("-lgcc_eh"); |
| 2196 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2197 | } |
| 2198 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2199 | static void addProfileRT(const ToolChain &TC, const ArgList &Args, |
| 2200 | ArgStringList &CmdArgs) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2201 | if (!(Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs, |
| 2202 | false) || |
Chandler Carruth | 9db37cd | 2013-06-23 11:28:48 +0000 | [diff] [blame] | 2203 | Args.hasArg(options::OPT_fprofile_generate) || |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2204 | Args.hasArg(options::OPT_fprofile_instr_generate) || |
Chandler Carruth | 9db37cd | 2013-06-23 11:28:48 +0000 | [diff] [blame] | 2205 | Args.hasArg(options::OPT_fcreate_profile) || |
| 2206 | Args.hasArg(options::OPT_coverage))) |
| 2207 | return; |
| 2208 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2209 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "profile"))); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2210 | } |
| 2211 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2212 | static void addSanitizerRuntime(const ToolChain &TC, const ArgList &Args, |
| 2213 | ArgStringList &CmdArgs, StringRef Sanitizer, |
| 2214 | bool IsShared) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2215 | // Static runtimes must be forced into executable, so we wrap them in |
Peter Collingbourne | bf54855 | 2013-10-20 21:29:13 +0000 | [diff] [blame] | 2216 | // whole-archive. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2217 | if (!IsShared) |
| 2218 | CmdArgs.push_back("-whole-archive"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2219 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Sanitizer, IsShared))); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2220 | if (!IsShared) |
| 2221 | CmdArgs.push_back("-no-whole-archive"); |
Alexey Samsonov | 8614304 | 2013-02-27 11:14:55 +0000 | [diff] [blame] | 2222 | } |
| 2223 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2224 | // Tries to use a file with the list of dynamic symbols that need to be exported |
| 2225 | // from the runtime library. Returns true if the file was found. |
| 2226 | static bool addSanitizerDynamicList(const ToolChain &TC, const ArgList &Args, |
| 2227 | ArgStringList &CmdArgs, |
| 2228 | StringRef Sanitizer) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2229 | SmallString<128> SanRT = getCompilerRT(TC, Sanitizer); |
| 2230 | if (llvm::sys::fs::exists(SanRT + ".syms")) { |
| 2231 | CmdArgs.push_back(Args.MakeArgString("--dynamic-list=" + SanRT + ".syms")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2232 | return true; |
| 2233 | } |
| 2234 | return false; |
| 2235 | } |
| 2236 | |
| 2237 | static void linkSanitizerRuntimeDeps(const ToolChain &TC, |
| 2238 | ArgStringList &CmdArgs) { |
| 2239 | // Force linking against the system libraries sanitizers depends on |
| 2240 | // (see PR15823 why this is necessary). |
| 2241 | CmdArgs.push_back("--no-as-needed"); |
| 2242 | CmdArgs.push_back("-lpthread"); |
| 2243 | CmdArgs.push_back("-lrt"); |
| 2244 | CmdArgs.push_back("-lm"); |
| 2245 | // There's no libdl on FreeBSD. |
| 2246 | if (TC.getTriple().getOS() != llvm::Triple::FreeBSD) |
| 2247 | CmdArgs.push_back("-ldl"); |
| 2248 | } |
| 2249 | |
| 2250 | static void |
| 2251 | collectSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, |
| 2252 | SmallVectorImpl<StringRef> &SharedRuntimes, |
| 2253 | SmallVectorImpl<StringRef> &StaticRuntimes, |
| 2254 | SmallVectorImpl<StringRef> &HelperStaticRuntimes) { |
| 2255 | const SanitizerArgs &SanArgs = TC.getSanitizerArgs(); |
| 2256 | // Collect shared runtimes. |
| 2257 | if (SanArgs.needsAsanRt() && SanArgs.needsSharedAsanRt()) { |
| 2258 | SharedRuntimes.push_back("asan"); |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 2259 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2260 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2261 | // Collect static runtimes. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2262 | if (Args.hasArg(options::OPT_shared) || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2263 | (TC.getTriple().getEnvironment() == llvm::Triple::Android)) { |
| 2264 | // Don't link static runtimes into DSOs or if compiling for Android. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2265 | return; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2266 | } |
| 2267 | if (SanArgs.needsAsanRt()) { |
| 2268 | if (SanArgs.needsSharedAsanRt()) { |
| 2269 | HelperStaticRuntimes.push_back("asan-preinit"); |
| 2270 | } else { |
| 2271 | StaticRuntimes.push_back("asan"); |
| 2272 | if (SanArgs.linkCXXRuntimes()) |
| 2273 | StaticRuntimes.push_back("asan_cxx"); |
| 2274 | } |
| 2275 | } |
| 2276 | if (SanArgs.needsDfsanRt()) |
| 2277 | StaticRuntimes.push_back("dfsan"); |
| 2278 | if (SanArgs.needsLsanRt()) |
| 2279 | StaticRuntimes.push_back("lsan"); |
| 2280 | if (SanArgs.needsMsanRt()) |
| 2281 | StaticRuntimes.push_back("msan"); |
| 2282 | if (SanArgs.needsTsanRt()) |
| 2283 | StaticRuntimes.push_back("tsan"); |
| 2284 | // WARNING: UBSan should always go last. |
| 2285 | if (SanArgs.needsUbsanRt()) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2286 | // Check if UBSan is combined with another sanitizers. |
| 2287 | if (StaticRuntimes.empty()) { |
| 2288 | StaticRuntimes.push_back("ubsan_standalone"); |
| 2289 | if (SanArgs.linkCXXRuntimes()) |
| 2290 | StaticRuntimes.push_back("ubsan_standalone_cxx"); |
| 2291 | } else { |
| 2292 | StaticRuntimes.push_back("ubsan"); |
| 2293 | if (SanArgs.linkCXXRuntimes()) |
| 2294 | StaticRuntimes.push_back("ubsan_cxx"); |
| 2295 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2296 | } |
Kostya Serebryany | dff466c | 2011-11-30 01:39:16 +0000 | [diff] [blame] | 2297 | } |
| 2298 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2299 | // Should be called before we add system libraries (C++ ABI, libstdc++/libc++, |
| 2300 | // C runtime, etc). Returns true if sanitizer system deps need to be linked in. |
| 2301 | static bool addSanitizerRuntimes(const ToolChain &TC, const ArgList &Args, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2302 | ArgStringList &CmdArgs) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2303 | SmallVector<StringRef, 4> SharedRuntimes, StaticRuntimes, |
| 2304 | HelperStaticRuntimes; |
| 2305 | collectSanitizerRuntimes(TC, Args, SharedRuntimes, StaticRuntimes, |
| 2306 | HelperStaticRuntimes); |
| 2307 | for (auto RT : SharedRuntimes) |
| 2308 | addSanitizerRuntime(TC, Args, CmdArgs, RT, true); |
| 2309 | for (auto RT : HelperStaticRuntimes) |
| 2310 | addSanitizerRuntime(TC, Args, CmdArgs, RT, false); |
| 2311 | bool AddExportDynamic = false; |
| 2312 | for (auto RT : StaticRuntimes) { |
| 2313 | addSanitizerRuntime(TC, Args, CmdArgs, RT, false); |
| 2314 | AddExportDynamic |= !addSanitizerDynamicList(TC, Args, CmdArgs, RT); |
| 2315 | } |
| 2316 | // If there is a static runtime with no dynamic list, force all the symbols |
| 2317 | // to be dynamic to be sure we export sanitizer interface functions. |
| 2318 | if (AddExportDynamic) |
| 2319 | CmdArgs.push_back("-export-dynamic"); |
| 2320 | return !StaticRuntimes.empty(); |
Peter Collingbourne | 2eeed71 | 2013-08-07 22:47:34 +0000 | [diff] [blame] | 2321 | } |
| 2322 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2323 | static bool areOptimizationsEnabled(const ArgList &Args) { |
| 2324 | // Find the last -O arg and see if it is non-zero. |
| 2325 | if (Arg *A = Args.getLastArg(options::OPT_O_Group)) |
| 2326 | return !A->getOption().matches(options::OPT_O0); |
| 2327 | // Defaults to -O0. |
| 2328 | return false; |
| 2329 | } |
| 2330 | |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2331 | static bool shouldUseFramePointerForTarget(const ArgList &Args, |
| 2332 | const llvm::Triple &Triple) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2333 | // XCore never wants frame pointers, regardless of OS. |
| 2334 | if (Triple.getArch() == llvm::Triple::xcore) { |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2335 | return false; |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2336 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2337 | |
| 2338 | if (Triple.isOSLinux()) { |
| 2339 | switch (Triple.getArch()) { |
| 2340 | // Don't use a frame pointer on linux if optimizing for certain targets. |
| 2341 | case llvm::Triple::mips64: |
| 2342 | case llvm::Triple::mips64el: |
| 2343 | case llvm::Triple::mips: |
| 2344 | case llvm::Triple::mipsel: |
| 2345 | case llvm::Triple::systemz: |
| 2346 | case llvm::Triple::x86: |
| 2347 | case llvm::Triple::x86_64: |
| 2348 | return !areOptimizationsEnabled(Args); |
| 2349 | default: |
| 2350 | return true; |
| 2351 | } |
| 2352 | } |
| 2353 | |
| 2354 | if (Triple.isOSWindows()) { |
| 2355 | switch (Triple.getArch()) { |
| 2356 | case llvm::Triple::x86: |
| 2357 | return !areOptimizationsEnabled(Args); |
| 2358 | default: |
| 2359 | // All other supported Windows ISAs use xdata unwind information, so frame |
| 2360 | // pointers are not generally useful. |
| 2361 | return false; |
| 2362 | } |
| 2363 | } |
| 2364 | |
| 2365 | return true; |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2366 | } |
| 2367 | |
Rafael Espindola | 6af27ec | 2011-12-14 21:02:23 +0000 | [diff] [blame] | 2368 | static bool shouldUseFramePointer(const ArgList &Args, |
| 2369 | const llvm::Triple &Triple) { |
| 2370 | if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer, |
| 2371 | options::OPT_fomit_frame_pointer)) |
| 2372 | return A->getOption().matches(options::OPT_fno_omit_frame_pointer); |
| 2373 | |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2374 | return shouldUseFramePointerForTarget(Args, Triple); |
Rafael Espindola | 6af27ec | 2011-12-14 21:02:23 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
Eric Christopher | d3e22df | 2013-04-03 01:58:53 +0000 | [diff] [blame] | 2377 | static bool shouldUseLeafFramePointer(const ArgList &Args, |
| 2378 | const llvm::Triple &Triple) { |
| 2379 | if (Arg *A = Args.getLastArg(options::OPT_mno_omit_leaf_frame_pointer, |
| 2380 | options::OPT_momit_leaf_frame_pointer)) |
| 2381 | return A->getOption().matches(options::OPT_mno_omit_leaf_frame_pointer); |
| 2382 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2383 | if (Triple.isPS4CPU()) |
| 2384 | return false; |
| 2385 | |
Benjamin Kramer | 5322a55 | 2013-10-16 17:42:39 +0000 | [diff] [blame] | 2386 | return shouldUseFramePointerForTarget(Args, Triple); |
Eric Christopher | d3e22df | 2013-04-03 01:58:53 +0000 | [diff] [blame] | 2387 | } |
| 2388 | |
Rafael Espindola | a214824 | 2013-08-10 01:40:10 +0000 | [diff] [blame] | 2389 | /// Add a CC1 option to specify the debug compilation directory. |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 2390 | static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs) { |
Benjamin Kramer | 6089adc | 2013-04-27 08:12:29 +0000 | [diff] [blame] | 2391 | SmallString<128> cwd; |
| 2392 | if (!llvm::sys::fs::current_path(cwd)) { |
Chad Rosier | b1c8122 | 2013-04-26 20:49:50 +0000 | [diff] [blame] | 2393 | CmdArgs.push_back("-fdebug-compilation-dir"); |
| 2394 | CmdArgs.push_back(Args.MakeArgString(cwd)); |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 2395 | } |
| 2396 | } |
| 2397 | |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 2398 | static const char *SplitDebugName(const ArgList &Args, |
| 2399 | const InputInfoList &Inputs) { |
| 2400 | Arg *FinalOutput = Args.getLastArg(options::OPT_o); |
| 2401 | if (FinalOutput && Args.hasArg(options::OPT_c)) { |
| 2402 | SmallString<128> T(FinalOutput->getValue()); |
| 2403 | llvm::sys::path::replace_extension(T, "dwo"); |
| 2404 | return Args.MakeArgString(T); |
| 2405 | } else { |
| 2406 | // Use the compilation dir. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2407 | SmallString<128> T( |
| 2408 | Args.getLastArgValue(options::OPT_fdebug_compilation_dir)); |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 2409 | SmallString<128> F(llvm::sys::path::stem(Inputs[0].getBaseInput())); |
| 2410 | llvm::sys::path::replace_extension(F, "dwo"); |
| 2411 | T += F; |
| 2412 | return Args.MakeArgString(F); |
| 2413 | } |
| 2414 | } |
| 2415 | |
| 2416 | static void SplitDebugInfo(const ToolChain &TC, Compilation &C, |
| 2417 | const Tool &T, const JobAction &JA, |
| 2418 | const ArgList &Args, const InputInfo &Output, |
| 2419 | const char *OutFile) { |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 2420 | ArgStringList ExtractArgs; |
| 2421 | ExtractArgs.push_back("--extract-dwo"); |
| 2422 | |
| 2423 | ArgStringList StripArgs; |
| 2424 | StripArgs.push_back("--strip-dwo"); |
| 2425 | |
| 2426 | // Grabbing the output of the earlier compile step. |
| 2427 | StripArgs.push_back(Output.getFilename()); |
| 2428 | ExtractArgs.push_back(Output.getFilename()); |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 2429 | ExtractArgs.push_back(OutFile); |
| 2430 | |
| 2431 | const char *Exec = |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 2432 | Args.MakeArgString(TC.GetProgramPath("objcopy")); |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 2433 | |
| 2434 | // First extract the dwo sections. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2435 | C.addCommand(llvm::make_unique<Command>(JA, T, Exec, ExtractArgs)); |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 2436 | |
| 2437 | // Then remove them from the original .o file. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2438 | C.addCommand(llvm::make_unique<Command>(JA, T, Exec, StripArgs)); |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 2439 | } |
| 2440 | |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2441 | /// \brief Vectorize at all optimization levels greater than 1 except for -Oz. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2442 | /// For -Oz the loop vectorizer is disable, while the slp vectorizer is enabled. |
| 2443 | static bool shouldEnableVectorizerAtOLevel(const ArgList &Args, bool isSlpVec) { |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2444 | if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { |
Rafael Espindola | 55ee1eb | 2013-08-27 16:58:15 +0000 | [diff] [blame] | 2445 | if (A->getOption().matches(options::OPT_O4) || |
| 2446 | A->getOption().matches(options::OPT_Ofast)) |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2447 | return true; |
| 2448 | |
| 2449 | if (A->getOption().matches(options::OPT_O0)) |
| 2450 | return false; |
| 2451 | |
| 2452 | assert(A->getOption().matches(options::OPT_O) && "Must have a -O flag"); |
| 2453 | |
Rafael Espindola | 168de19 | 2013-08-26 14:05:41 +0000 | [diff] [blame] | 2454 | // Vectorize -Os. |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2455 | StringRef S(A->getValue()); |
Rafael Espindola | 168de19 | 2013-08-26 14:05:41 +0000 | [diff] [blame] | 2456 | if (S == "s") |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2457 | return true; |
| 2458 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2459 | // Don't vectorize -Oz, unless it's the slp vectorizer. |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2460 | if (S == "z") |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2461 | return isSlpVec; |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 2462 | |
| 2463 | unsigned OptLevel = 0; |
| 2464 | if (S.getAsInteger(10, OptLevel)) |
| 2465 | return false; |
| 2466 | |
| 2467 | return OptLevel > 1; |
| 2468 | } |
| 2469 | |
| 2470 | return false; |
| 2471 | } |
| 2472 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2473 | /// Add -x lang to \p CmdArgs for \p Input. |
| 2474 | static void addDashXForInput(const ArgList &Args, const InputInfo &Input, |
| 2475 | ArgStringList &CmdArgs) { |
| 2476 | // When using -verify-pch, we don't want to provide the type |
| 2477 | // 'precompiled-header' if it was inferred from the file extension |
| 2478 | if (Args.hasArg(options::OPT_verify_pch) && Input.getType() == types::TY_PCH) |
| 2479 | return; |
| 2480 | |
| 2481 | CmdArgs.push_back("-x"); |
| 2482 | if (Args.hasArg(options::OPT_rewrite_objc)) |
| 2483 | CmdArgs.push_back(types::getTypeName(types::TY_PP_ObjCXX)); |
| 2484 | else |
| 2485 | CmdArgs.push_back(types::getTypeName(Input.getType())); |
| 2486 | } |
| 2487 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2488 | static VersionTuple getMSCompatibilityVersion(unsigned Version) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2489 | if (Version < 100) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2490 | return VersionTuple(Version); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2491 | |
| 2492 | if (Version < 10000) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2493 | return VersionTuple(Version / 100, Version % 100); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2494 | |
| 2495 | unsigned Build = 0, Factor = 1; |
| 2496 | for ( ; Version > 10000; Version = Version / 10, Factor = Factor * 10) |
| 2497 | Build = Build + (Version % 10) * Factor; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2498 | return VersionTuple(Version / 100, Version % 100, Build); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2499 | } |
| 2500 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2501 | // Claim options we don't want to warn if they are unused. We do this for |
| 2502 | // options that build systems might add but are unused when assembling or only |
| 2503 | // running the preprocessor for example. |
| 2504 | static void claimNoWarnArgs(const ArgList &Args) { |
| 2505 | // Don't warn about unused -f(no-)?lto. This can happen when we're |
| 2506 | // preprocessing, precompiling or assembling. |
| 2507 | Args.ClaimAllArgs(options::OPT_flto); |
| 2508 | Args.ClaimAllArgs(options::OPT_fno_lto); |
| 2509 | } |
| 2510 | |
| 2511 | static void appendUserToPath(SmallVectorImpl<char> &Result) { |
| 2512 | #ifdef LLVM_ON_UNIX |
| 2513 | const char *Username = getenv("LOGNAME"); |
| 2514 | #else |
| 2515 | const char *Username = getenv("USERNAME"); |
| 2516 | #endif |
| 2517 | if (Username) { |
| 2518 | // Validate that LoginName can be used in a path, and get its length. |
| 2519 | size_t Len = 0; |
| 2520 | for (const char *P = Username; *P; ++P, ++Len) { |
| 2521 | if (!isAlphanumeric(*P) && *P != '_') { |
| 2522 | Username = nullptr; |
| 2523 | break; |
| 2524 | } |
| 2525 | } |
| 2526 | |
| 2527 | if (Username && Len > 0) { |
| 2528 | Result.append(Username, Username + Len); |
| 2529 | return; |
| 2530 | } |
| 2531 | } |
| 2532 | |
| 2533 | // Fallback to user id. |
| 2534 | #ifdef LLVM_ON_UNIX |
| 2535 | std::string UID = llvm::utostr(getuid()); |
| 2536 | #else |
| 2537 | // FIXME: Windows seems to have an 'SID' that might work. |
| 2538 | std::string UID = "9999"; |
| 2539 | #endif |
| 2540 | Result.append(UID.begin(), UID.end()); |
| 2541 | } |
| 2542 | |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 2543 | void Clang::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 871adcf | 2009-03-18 07:06:02 +0000 | [diff] [blame] | 2544 | const InputInfo &Output, |
Daniel Dunbar | 62cf601 | 2009-03-18 06:07:59 +0000 | [diff] [blame] | 2545 | const InputInfoList &Inputs, |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2546 | const ArgList &Args, |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 2547 | const char *LinkingOutput) const { |
Daniel Dunbar | 0a80ba7 | 2010-03-20 04:52:14 +0000 | [diff] [blame] | 2548 | bool KernelOrKext = Args.hasArg(options::OPT_mkernel, |
| 2549 | options::OPT_fapple_kext); |
Daniel Dunbar | ee788e7 | 2009-12-21 18:54:17 +0000 | [diff] [blame] | 2550 | const Driver &D = getToolChain().getDriver(); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 2551 | ArgStringList CmdArgs; |
| 2552 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2553 | bool IsWindowsGNU = getToolChain().getTriple().isWindowsGNUEnvironment(); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2554 | bool IsWindowsCygnus = |
| 2555 | getToolChain().getTriple().isWindowsCygwinEnvironment(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2556 | bool IsWindowsMSVC = getToolChain().getTriple().isWindowsMSVCEnvironment(); |
| 2557 | |
Daniel Dunbar | 077ba6a | 2009-03-31 20:53:55 +0000 | [diff] [blame] | 2558 | assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); |
| 2559 | |
Daniel Dunbar | 8ff5b28 | 2009-12-11 23:00:49 +0000 | [diff] [blame] | 2560 | // Invoke ourselves in -cc1 mode. |
| 2561 | // |
| 2562 | // FIXME: Implement custom jobs for internal actions. |
| 2563 | CmdArgs.push_back("-cc1"); |
| 2564 | |
Daniel Dunbar | dd4fe00 | 2009-10-30 18:12:20 +0000 | [diff] [blame] | 2565 | // Add the "effective" target triple. |
Daniel Dunbar | af07f93 | 2009-03-31 17:35:15 +0000 | [diff] [blame] | 2566 | CmdArgs.push_back("-triple"); |
Daniel Dunbar | 00577ad | 2010-08-23 22:35:37 +0000 | [diff] [blame] | 2567 | std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args); |
Daniel Dunbar | dd4fe00 | 2009-10-30 18:12:20 +0000 | [diff] [blame] | 2568 | CmdArgs.push_back(Args.MakeArgString(TripleStr)); |
Daniel Dunbar | 728a512 | 2009-09-10 06:49:20 +0000 | [diff] [blame] | 2569 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2570 | const llvm::Triple TT(TripleStr); |
| 2571 | if (TT.isOSWindows() && (TT.getArch() == llvm::Triple::arm || |
| 2572 | TT.getArch() == llvm::Triple::thumb)) { |
| 2573 | unsigned Offset = TT.getArch() == llvm::Triple::arm ? 4 : 6; |
| 2574 | unsigned Version; |
| 2575 | TT.getArchName().substr(Offset).getAsInteger(10, Version); |
| 2576 | if (Version < 7) |
| 2577 | D.Diag(diag::err_target_unsupported_arch) << TT.getArchName() |
| 2578 | << TripleStr; |
| 2579 | } |
| 2580 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2581 | // Push all default warning arguments that are specific to |
| 2582 | // the given target. These come before user provided warning options |
| 2583 | // are provided. |
| 2584 | getToolChain().addClangWarningOptions(CmdArgs); |
| 2585 | |
Daniel Dunbar | dd4fe00 | 2009-10-30 18:12:20 +0000 | [diff] [blame] | 2586 | // Select the appropriate action. |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 2587 | RewriteKind rewriteKind = RK_None; |
Fariborz Jahanian | e982cc0 | 2012-04-04 18:50:28 +0000 | [diff] [blame] | 2588 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2589 | if (isa<AnalyzeJobAction>(JA)) { |
| 2590 | assert(JA.getType() == types::TY_Plist && "Invalid output type."); |
| 2591 | CmdArgs.push_back("-analyze"); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 2592 | } else if (isa<MigrateJobAction>(JA)) { |
| 2593 | CmdArgs.push_back("-migrate"); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2594 | } else if (isa<PreprocessJobAction>(JA)) { |
Daniel Dunbar | cd8e4c4 | 2009-03-30 06:36:42 +0000 | [diff] [blame] | 2595 | if (Output.getType() == types::TY_Dependencies) |
| 2596 | CmdArgs.push_back("-Eonly"); |
Fariborz Jahanian | 51be73d | 2013-03-18 19:41:18 +0000 | [diff] [blame] | 2597 | else { |
Daniel Dunbar | cd8e4c4 | 2009-03-30 06:36:42 +0000 | [diff] [blame] | 2598 | CmdArgs.push_back("-E"); |
Fariborz Jahanian | 51be73d | 2013-03-18 19:41:18 +0000 | [diff] [blame] | 2599 | if (Args.hasArg(options::OPT_rewrite_objc) && |
| 2600 | !Args.hasArg(options::OPT_g_Group)) |
| 2601 | CmdArgs.push_back("-P"); |
| 2602 | } |
Daniel Dunbar | 8767cbc | 2010-02-03 03:07:56 +0000 | [diff] [blame] | 2603 | } else if (isa<AssembleJobAction>(JA)) { |
| 2604 | CmdArgs.push_back("-emit-obj"); |
Daniel Dunbar | 9929800 | 2010-05-27 06:18:05 +0000 | [diff] [blame] | 2605 | |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 2606 | CollectArgsForIntegratedAssembler(C, Args, CmdArgs, D); |
Daniel Dunbar | d02bba8 | 2010-11-19 16:23:35 +0000 | [diff] [blame] | 2607 | |
| 2608 | // Also ignore explicit -force_cpusubtype_ALL option. |
| 2609 | (void) Args.hasArg(options::OPT_force__cpusubtype__ALL); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2610 | } else if (isa<PrecompileJobAction>(JA)) { |
Argyrios Kyrtzidis | e5c3537 | 2010-08-11 23:27:58 +0000 | [diff] [blame] | 2611 | // Use PCH if the user requested it. |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 2612 | bool UsePCH = D.CCCUsePCH; |
Daniel Dunbar | 0ebd932 | 2009-10-15 20:02:44 +0000 | [diff] [blame] | 2613 | |
Aaron Ballman | 761322b | 2012-07-31 01:21:00 +0000 | [diff] [blame] | 2614 | if (JA.getType() == types::TY_Nothing) |
| 2615 | CmdArgs.push_back("-fsyntax-only"); |
| 2616 | else if (UsePCH) |
Douglas Gregor | df91ef3 | 2009-04-18 00:34:01 +0000 | [diff] [blame] | 2617 | CmdArgs.push_back("-emit-pch"); |
| 2618 | else |
| 2619 | CmdArgs.push_back("-emit-pth"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2620 | } else if (isa<VerifyPCHJobAction>(JA)) { |
| 2621 | CmdArgs.push_back("-verify-pch"); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2622 | } else { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2623 | assert((isa<CompileJobAction>(JA) || isa<BackendJobAction>(JA)) && |
| 2624 | "Invalid action for clang tool."); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 2625 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2626 | if (JA.getType() == types::TY_Nothing) { |
| 2627 | CmdArgs.push_back("-fsyntax-only"); |
Daniel Dunbar | 6c6424b | 2010-06-07 23:28:45 +0000 | [diff] [blame] | 2628 | } else if (JA.getType() == types::TY_LLVM_IR || |
| 2629 | JA.getType() == types::TY_LTO_IR) { |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2630 | CmdArgs.push_back("-emit-llvm"); |
Daniel Dunbar | 6c6424b | 2010-06-07 23:28:45 +0000 | [diff] [blame] | 2631 | } else if (JA.getType() == types::TY_LLVM_BC || |
| 2632 | JA.getType() == types::TY_LTO_BC) { |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2633 | CmdArgs.push_back("-emit-llvm-bc"); |
| 2634 | } else if (JA.getType() == types::TY_PP_Asm) { |
Daniel Dunbar | e3b8d07 | 2009-09-17 00:47:53 +0000 | [diff] [blame] | 2635 | CmdArgs.push_back("-S"); |
Daniel Dunbar | 5915fbf | 2009-09-01 16:57:46 +0000 | [diff] [blame] | 2636 | } else if (JA.getType() == types::TY_AST) { |
| 2637 | CmdArgs.push_back("-emit-pch"); |
Douglas Gregor | c544ba0 | 2013-03-27 16:47:18 +0000 | [diff] [blame] | 2638 | } else if (JA.getType() == types::TY_ModuleFile) { |
| 2639 | CmdArgs.push_back("-module-file-info"); |
Daniel Dunbar | 6495250 | 2010-02-11 03:16:21 +0000 | [diff] [blame] | 2640 | } else if (JA.getType() == types::TY_RewrittenObjC) { |
| 2641 | CmdArgs.push_back("-rewrite-objc"); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 2642 | rewriteKind = RK_NonFragile; |
Fariborz Jahanian | 582b395 | 2012-04-02 15:59:19 +0000 | [diff] [blame] | 2643 | } else if (JA.getType() == types::TY_RewrittenLegacyObjC) { |
| 2644 | CmdArgs.push_back("-rewrite-objc"); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 2645 | rewriteKind = RK_Fragile; |
Daniel Dunbar | 6495250 | 2010-02-11 03:16:21 +0000 | [diff] [blame] | 2646 | } else { |
| 2647 | assert(JA.getType() == types::TY_PP_Asm && |
| 2648 | "Unexpected output type!"); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2649 | } |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 2650 | } |
| 2651 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2652 | // We normally speed up the clang process a bit by skipping destructors at |
| 2653 | // exit, but when we're generating diagnostics we can rely on some of the |
| 2654 | // cleanup. |
| 2655 | if (!C.isForDiagnostics()) |
| 2656 | CmdArgs.push_back("-disable-free"); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2657 | |
John McCall | b689afb | 2010-02-13 03:50:24 +0000 | [diff] [blame] | 2658 | // Disable the verification pass in -asserts builds. |
| 2659 | #ifdef NDEBUG |
| 2660 | CmdArgs.push_back("-disable-llvm-verifier"); |
| 2661 | #endif |
| 2662 | |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 2663 | // Set the main file name, so that debug info works even with |
| 2664 | // -save-temps. |
| 2665 | CmdArgs.push_back("-main-file-name"); |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 2666 | CmdArgs.push_back(getBaseInputName(Args, Inputs)); |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 2667 | |
Daniel Dunbar | 3bbc753 | 2009-04-08 18:03:55 +0000 | [diff] [blame] | 2668 | // Some flags which affect the language (via preprocessor |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 2669 | // defines). |
Daniel Dunbar | 3bbc753 | 2009-04-08 18:03:55 +0000 | [diff] [blame] | 2670 | if (Args.hasArg(options::OPT_static)) |
| 2671 | CmdArgs.push_back("-static-define"); |
| 2672 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2673 | if (isa<AnalyzeJobAction>(JA)) { |
Ted Kremenek | b8bb3e7 | 2009-09-25 05:55:59 +0000 | [diff] [blame] | 2674 | // Enable region store model by default. |
| 2675 | CmdArgs.push_back("-analyzer-store=region"); |
| 2676 | |
Ted Kremenek | b40d06d | 2009-12-07 22:26:14 +0000 | [diff] [blame] | 2677 | // Treat blocks as analysis entry points. |
| 2678 | CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); |
| 2679 | |
Ted Kremenek | 5188507 | 2011-03-24 00:28:47 +0000 | [diff] [blame] | 2680 | CmdArgs.push_back("-analyzer-eagerly-assume"); |
| 2681 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2682 | // Add default argument set. |
Daniel Dunbar | d8fc0f2 | 2009-05-22 00:38:15 +0000 | [diff] [blame] | 2683 | if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { |
Argyrios Kyrtzidis | 027a6ab | 2011-02-15 07:42:33 +0000 | [diff] [blame] | 2684 | CmdArgs.push_back("-analyzer-checker=core"); |
Ted Kremenek | 5188507 | 2011-03-24 00:28:47 +0000 | [diff] [blame] | 2685 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2686 | if (!IsWindowsMSVC) |
Argyrios Kyrtzidis | 027a6ab | 2011-02-15 07:42:33 +0000 | [diff] [blame] | 2687 | CmdArgs.push_back("-analyzer-checker=unix"); |
Ted Kremenek | 5188507 | 2011-03-24 00:28:47 +0000 | [diff] [blame] | 2688 | |
Argyrios Kyrtzidis | 027a6ab | 2011-02-15 07:42:33 +0000 | [diff] [blame] | 2689 | if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple) |
Ted Kremenek | 5188507 | 2011-03-24 00:28:47 +0000 | [diff] [blame] | 2690 | CmdArgs.push_back("-analyzer-checker=osx"); |
Ted Kremenek | a8180e5 | 2012-01-20 06:00:17 +0000 | [diff] [blame] | 2691 | |
| 2692 | CmdArgs.push_back("-analyzer-checker=deadcode"); |
Ted Kremenek | 8dc0506 | 2012-01-26 02:27:38 +0000 | [diff] [blame] | 2693 | |
Jordan Rose | e449edc | 2013-04-05 17:55:07 +0000 | [diff] [blame] | 2694 | if (types::isCXX(Inputs[0].getType())) |
| 2695 | CmdArgs.push_back("-analyzer-checker=cplusplus"); |
| 2696 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2697 | // Enable the following experimental checkers for testing. |
| 2698 | CmdArgs.push_back( |
| 2699 | "-analyzer-checker=security.insecureAPI.UncheckedReturn"); |
Ted Kremenek | 8dc0506 | 2012-01-26 02:27:38 +0000 | [diff] [blame] | 2700 | CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw"); |
| 2701 | CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets"); |
| 2702 | CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp"); |
| 2703 | CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp"); |
| 2704 | CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork"); |
Daniel Dunbar | d8fc0f2 | 2009-05-22 00:38:15 +0000 | [diff] [blame] | 2705 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 2706 | |
Daniel Dunbar | d8fc0f2 | 2009-05-22 00:38:15 +0000 | [diff] [blame] | 2707 | // Set the output format. The default is plist, for (lame) historical |
| 2708 | // reasons. |
| 2709 | CmdArgs.push_back("-analyzer-output"); |
| 2710 | if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 2711 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | d8fc0f2 | 2009-05-22 00:38:15 +0000 | [diff] [blame] | 2712 | else |
| 2713 | CmdArgs.push_back("plist"); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2714 | |
Ted Kremenek | 0647a7b | 2010-03-22 22:32:05 +0000 | [diff] [blame] | 2715 | // Disable the presentation of standard compiler warnings when |
| 2716 | // using --analyze. We only want to show static analyzer diagnostics |
| 2717 | // or frontend errors. |
| 2718 | CmdArgs.push_back("-w"); |
| 2719 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 2720 | // Add -Xanalyzer arguments when running as analyzer. |
| 2721 | Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2722 | } |
| 2723 | |
Daniel Dunbar | e2fd664 | 2009-09-10 01:21:12 +0000 | [diff] [blame] | 2724 | CheckCodeGenerationOptions(D, Args); |
| 2725 | |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 2726 | bool PIE = getToolChain().isPIEDefault(); |
| 2727 | bool PIC = PIE || getToolChain().isPICDefault(); |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2728 | bool IsPICLevelTwo = PIC; |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 2729 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2730 | // Android-specific defaults for PIC/PIE |
| 2731 | if (getToolChain().getTriple().getEnvironment() == llvm::Triple::Android) { |
| 2732 | switch (getToolChain().getTriple().getArch()) { |
| 2733 | case llvm::Triple::arm: |
| 2734 | case llvm::Triple::armeb: |
| 2735 | case llvm::Triple::thumb: |
| 2736 | case llvm::Triple::thumbeb: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2737 | case llvm::Triple::aarch64: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2738 | case llvm::Triple::mips: |
| 2739 | case llvm::Triple::mipsel: |
| 2740 | case llvm::Triple::mips64: |
| 2741 | case llvm::Triple::mips64el: |
| 2742 | PIC = true; // "-fpic" |
| 2743 | break; |
| 2744 | |
| 2745 | case llvm::Triple::x86: |
| 2746 | case llvm::Triple::x86_64: |
| 2747 | PIC = true; // "-fPIC" |
| 2748 | IsPICLevelTwo = true; |
| 2749 | break; |
| 2750 | |
| 2751 | default: |
| 2752 | break; |
| 2753 | } |
| 2754 | } |
| 2755 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2756 | // OpenBSD-specific defaults for PIE |
| 2757 | if (getToolChain().getTriple().getOS() == llvm::Triple::OpenBSD) { |
| 2758 | switch (getToolChain().getTriple().getArch()) { |
| 2759 | case llvm::Triple::mips64: |
| 2760 | case llvm::Triple::mips64el: |
| 2761 | case llvm::Triple::sparc: |
| 2762 | case llvm::Triple::x86: |
| 2763 | case llvm::Triple::x86_64: |
| 2764 | IsPICLevelTwo = false; // "-fpie" |
| 2765 | break; |
| 2766 | |
| 2767 | case llvm::Triple::ppc: |
| 2768 | case llvm::Triple::sparcv9: |
| 2769 | IsPICLevelTwo = true; // "-fPIE" |
| 2770 | break; |
| 2771 | |
| 2772 | default: |
| 2773 | break; |
| 2774 | } |
| 2775 | } |
| 2776 | |
Alexey Samsonov | db68e5a | 2013-04-09 12:28:19 +0000 | [diff] [blame] | 2777 | // For the PIC and PIE flag options, this logic is different from the |
| 2778 | // legacy logic in very old versions of GCC, as that logic was just |
| 2779 | // a bug no one had ever fixed. This logic is both more rational and |
| 2780 | // consistent with GCC's new logic now that the bugs are fixed. The last |
| 2781 | // argument relating to either PIC or PIE wins, and no other argument is |
| 2782 | // used. If the last argument is any flavor of the '-fno-...' arguments, |
| 2783 | // both PIC and PIE are disabled. Any PIE option implicitly enables PIC |
| 2784 | // at the same level. |
| 2785 | Arg *LastPICArg =Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC, |
| 2786 | options::OPT_fpic, options::OPT_fno_pic, |
| 2787 | options::OPT_fPIE, options::OPT_fno_PIE, |
| 2788 | options::OPT_fpie, options::OPT_fno_pie); |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2789 | // Check whether the tool chain trumps the PIC-ness decision. If the PIC-ness |
| 2790 | // is forced, then neither PIC nor PIE flags will have no effect. |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 2791 | if (!getToolChain().isPICDefaultForced()) { |
Alexey Samsonov | db68e5a | 2013-04-09 12:28:19 +0000 | [diff] [blame] | 2792 | if (LastPICArg) { |
| 2793 | Option O = LastPICArg->getOption(); |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 2794 | if (O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic) || |
| 2795 | O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie)) { |
| 2796 | PIE = O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie); |
| 2797 | PIC = PIE || O.matches(options::OPT_fPIC) || |
| 2798 | O.matches(options::OPT_fpic); |
| 2799 | IsPICLevelTwo = O.matches(options::OPT_fPIE) || |
| 2800 | O.matches(options::OPT_fPIC); |
| 2801 | } else { |
| 2802 | PIE = PIC = false; |
| 2803 | } |
| 2804 | } |
Chandler Carruth | 5e219cf | 2012-04-08 16:40:35 +0000 | [diff] [blame] | 2805 | } |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2806 | |
Nick Lewycky | d470568 | 2013-10-11 03:33:53 +0000 | [diff] [blame] | 2807 | // Introduce a Darwin-specific hack. If the default is PIC but the flags |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2808 | // specified while enabling PIC enabled level 1 PIC, just force it back to |
| 2809 | // level 2 PIC instead. This matches the behavior of Darwin GCC (based on my |
| 2810 | // informal testing). |
| 2811 | if (PIC && getToolChain().getTriple().isOSDarwin()) |
| 2812 | IsPICLevelTwo |= getToolChain().isPICDefault(); |
| 2813 | |
Chandler Carruth | 5e219cf | 2012-04-08 16:40:35 +0000 | [diff] [blame] | 2814 | // Note that these flags are trump-cards. Regardless of the order w.r.t. the |
| 2815 | // PIC or PIE options above, if these show up, PIC is disabled. |
Daniel Dunbar | 7a0c064 | 2012-10-15 22:23:53 +0000 | [diff] [blame] | 2816 | llvm::Triple Triple(TripleStr); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2817 | if (KernelOrKext && (!Triple.isiOS() || Triple.isOSVersionLT(6))) |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2818 | PIC = PIE = false; |
Simon Atanasyan | c0e8364 | 2013-10-04 11:46:54 +0000 | [diff] [blame] | 2819 | if (Args.hasArg(options::OPT_static)) |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2820 | PIC = PIE = false; |
Chandler Carruth | 5e219cf | 2012-04-08 16:40:35 +0000 | [diff] [blame] | 2821 | |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2822 | if (Arg *A = Args.getLastArg(options::OPT_mdynamic_no_pic)) { |
| 2823 | // This is a very special mode. It trumps the other modes, almost no one |
| 2824 | // uses it, and it isn't even valid on any OS but Darwin. |
| 2825 | if (!getToolChain().getTriple().isOSDarwin()) |
| 2826 | D.Diag(diag::err_drv_unsupported_opt_for_target) |
| 2827 | << A->getSpelling() << getToolChain().getTriple().str(); |
| 2828 | |
| 2829 | // FIXME: Warn when this flag trumps some other PIC or PIE flag. |
| 2830 | |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 2831 | CmdArgs.push_back("-mrelocation-model"); |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2832 | CmdArgs.push_back("dynamic-no-pic"); |
Daniel Dunbar | bc85be8 | 2009-04-29 18:32:25 +0000 | [diff] [blame] | 2833 | |
Chandler Carruth | 7ce816a | 2012-11-19 03:52:03 +0000 | [diff] [blame] | 2834 | // Only a forced PIC mode can cause the actual compile to have PIC defines |
| 2835 | // etc., no flags are sufficient. This behavior was selected to closely |
| 2836 | // match that of llvm-gcc and Apple GCC before that. |
| 2837 | if (getToolChain().isPICDefault() && getToolChain().isPICDefaultForced()) { |
| 2838 | CmdArgs.push_back("-pic-level"); |
| 2839 | CmdArgs.push_back("2"); |
| 2840 | } |
| 2841 | } else { |
| 2842 | // Currently, LLVM only knows about PIC vs. static; the PIE differences are |
| 2843 | // handled in Clang's IRGen by the -pie-level flag. |
| 2844 | CmdArgs.push_back("-mrelocation-model"); |
| 2845 | CmdArgs.push_back(PIC ? "pic" : "static"); |
| 2846 | |
| 2847 | if (PIC) { |
| 2848 | CmdArgs.push_back("-pic-level"); |
| 2849 | CmdArgs.push_back(IsPICLevelTwo ? "2" : "1"); |
| 2850 | if (PIE) { |
| 2851 | CmdArgs.push_back("-pie-level"); |
| 2852 | CmdArgs.push_back(IsPICLevelTwo ? "2" : "1"); |
| 2853 | } |
| 2854 | } |
Daniel Dunbar | bc85be8 | 2009-04-29 18:32:25 +0000 | [diff] [blame] | 2855 | } |
Chandler Carruth | 5e219cf | 2012-04-08 16:40:35 +0000 | [diff] [blame] | 2856 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2857 | CmdArgs.push_back("-mthread-model"); |
| 2858 | if (Arg *A = Args.getLastArg(options::OPT_mthread_model)) |
| 2859 | CmdArgs.push_back(A->getValue()); |
| 2860 | else |
| 2861 | CmdArgs.push_back(Args.MakeArgString(getToolChain().getThreadModel())); |
| 2862 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2863 | Args.AddLastArg(CmdArgs, options::OPT_fveclib); |
| 2864 | |
Tanya Lattner | 59876c2 | 2009-11-04 01:18:09 +0000 | [diff] [blame] | 2865 | if (!Args.hasFlag(options::OPT_fmerge_all_constants, |
| 2866 | options::OPT_fno_merge_all_constants)) |
Chris Lattner | f44a1a0 | 2011-04-08 18:06:54 +0000 | [diff] [blame] | 2867 | CmdArgs.push_back("-fno-merge-all-constants"); |
Daniel Dunbar | 6bea73b | 2009-09-16 06:17:29 +0000 | [diff] [blame] | 2868 | |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 2869 | // LLVM Code Generator Options. |
| 2870 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2871 | if (Args.hasArg(options::OPT_frewrite_map_file) || |
| 2872 | Args.hasArg(options::OPT_frewrite_map_file_EQ)) { |
| 2873 | for (arg_iterator |
| 2874 | MFI = Args.filtered_begin(options::OPT_frewrite_map_file, |
| 2875 | options::OPT_frewrite_map_file_EQ), |
| 2876 | MFE = Args.filtered_end(); |
| 2877 | MFI != MFE; ++MFI) { |
| 2878 | CmdArgs.push_back("-frewrite-map-file"); |
| 2879 | CmdArgs.push_back((*MFI)->getValue()); |
| 2880 | (*MFI)->claim(); |
| 2881 | } |
| 2882 | } |
| 2883 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2884 | if (Arg *A = Args.getLastArg(options::OPT_Wframe_larger_than_EQ)) { |
| 2885 | StringRef v = A->getValue(); |
| 2886 | CmdArgs.push_back("-mllvm"); |
| 2887 | CmdArgs.push_back(Args.MakeArgString("-warn-stack-size=" + v)); |
| 2888 | A->claim(); |
| 2889 | } |
| 2890 | |
Daniel Dunbar | 17d3fea | 2011-02-09 17:54:19 +0000 | [diff] [blame] | 2891 | if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) { |
| 2892 | CmdArgs.push_back("-mregparm"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 2893 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | 17d3fea | 2011-02-09 17:54:19 +0000 | [diff] [blame] | 2894 | } |
| 2895 | |
Nick Lewycky | fdf137b | 2013-06-25 01:49:44 +0000 | [diff] [blame] | 2896 | if (Arg *A = Args.getLastArg(options::OPT_fpcc_struct_return, |
| 2897 | options::OPT_freg_struct_return)) { |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 2898 | if (getToolChain().getArch() != llvm::Triple::x86) { |
John McCall | b8b5297 | 2013-06-18 02:46:29 +0000 | [diff] [blame] | 2899 | D.Diag(diag::err_drv_unsupported_opt_for_target) |
| 2900 | << A->getSpelling() << getToolChain().getTriple().str(); |
| 2901 | } else if (A->getOption().matches(options::OPT_fpcc_struct_return)) { |
| 2902 | CmdArgs.push_back("-fpcc-struct-return"); |
| 2903 | } else { |
| 2904 | assert(A->getOption().matches(options::OPT_freg_struct_return)); |
| 2905 | CmdArgs.push_back("-freg-struct-return"); |
| 2906 | } |
| 2907 | } |
| 2908 | |
Roman Divacky | cfe9af2 | 2011-03-01 17:40:53 +0000 | [diff] [blame] | 2909 | if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false)) |
| 2910 | CmdArgs.push_back("-mrtd"); |
| 2911 | |
Rafael Espindola | 6af27ec | 2011-12-14 21:02:23 +0000 | [diff] [blame] | 2912 | if (shouldUseFramePointer(Args, getToolChain().getTriple())) |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 2913 | CmdArgs.push_back("-mdisable-fp-elim"); |
| 2914 | if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, |
| 2915 | options::OPT_fno_zero_initialized_in_bss)) |
| 2916 | CmdArgs.push_back("-mno-zero-initialized-in-bss"); |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2917 | |
| 2918 | bool OFastEnabled = isOptimizationLevelFast(Args); |
| 2919 | // If -Ofast is the optimization level, then -fstrict-aliasing should be |
| 2920 | // enabled. This alias option is being used to simplify the hasFlag logic. |
| 2921 | OptSpecifier StrictAliasingAliasOption = OFastEnabled ? options::OPT_Ofast : |
| 2922 | options::OPT_fstrict_aliasing; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2923 | // We turn strict aliasing off by default if we're in CL mode, since MSVC |
| 2924 | // doesn't do any TBAA. |
| 2925 | bool TBAAOnByDefault = !getToolChain().getDriver().IsCLMode(); |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2926 | if (!Args.hasFlag(options::OPT_fstrict_aliasing, StrictAliasingAliasOption, |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2927 | options::OPT_fno_strict_aliasing, TBAAOnByDefault)) |
Dan Gohman | 4d5625e | 2010-10-14 22:36:56 +0000 | [diff] [blame] | 2928 | CmdArgs.push_back("-relaxed-aliasing"); |
Manman Ren | 96d6c45 | 2013-10-11 20:48:38 +0000 | [diff] [blame] | 2929 | if (!Args.hasFlag(options::OPT_fstruct_path_tbaa, |
| 2930 | options::OPT_fno_struct_path_tbaa)) |
| 2931 | CmdArgs.push_back("-no-struct-path-tbaa"); |
Chandler Carruth | 82fe6ae | 2012-03-27 23:58:37 +0000 | [diff] [blame] | 2932 | if (Args.hasFlag(options::OPT_fstrict_enums, options::OPT_fno_strict_enums, |
| 2933 | false)) |
| 2934 | CmdArgs.push_back("-fstrict-enums"); |
Nick Lewycky | 1db772b | 2012-01-23 08:29:12 +0000 | [diff] [blame] | 2935 | if (!Args.hasFlag(options::OPT_foptimize_sibling_calls, |
| 2936 | options::OPT_fno_optimize_sibling_calls)) |
| 2937 | CmdArgs.push_back("-mdisable-tail-calls"); |
Daniel Dunbar | 1b71848 | 2010-05-14 22:00:22 +0000 | [diff] [blame] | 2938 | |
Eric Christopher | 3105627 | 2013-04-04 06:29:47 +0000 | [diff] [blame] | 2939 | // Handle segmented stacks. |
| 2940 | if (Args.hasArg(options::OPT_fsplit_stack)) |
| 2941 | CmdArgs.push_back("-split-stacks"); |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2942 | |
| 2943 | // If -Ofast is the optimization level, then -ffast-math should be enabled. |
| 2944 | // This alias option is being used to simplify the getLastArg logic. |
| 2945 | OptSpecifier FastMathAliasOption = OFastEnabled ? options::OPT_Ofast : |
| 2946 | options::OPT_ffast_math; |
Eric Christopher | 3105627 | 2013-04-04 06:29:47 +0000 | [diff] [blame] | 2947 | |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2948 | // Handle various floating point optimization flags, mapping them to the |
| 2949 | // appropriate LLVM code generation flags. The pattern for all of these is to |
| 2950 | // default off the codegen optimizations, and if any flag enables them and no |
| 2951 | // flag disables them after the flag enabling them, enable the codegen |
| 2952 | // optimization. This is complicated by several "umbrella" flags. |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2953 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2954 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2955 | options::OPT_ffinite_math_only, |
| 2956 | options::OPT_fno_finite_math_only, |
| 2957 | options::OPT_fhonor_infinities, |
| 2958 | options::OPT_fno_honor_infinities)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2959 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 2960 | A->getOption().getID() != options::OPT_fno_finite_math_only && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2961 | A->getOption().getID() != options::OPT_fhonor_infinities) |
| 2962 | CmdArgs.push_back("-menable-no-infs"); |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2963 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2964 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2965 | options::OPT_ffinite_math_only, |
| 2966 | options::OPT_fno_finite_math_only, |
| 2967 | options::OPT_fhonor_nans, |
| 2968 | options::OPT_fno_honor_nans)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2969 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 2970 | A->getOption().getID() != options::OPT_fno_finite_math_only && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2971 | A->getOption().getID() != options::OPT_fhonor_nans) |
| 2972 | CmdArgs.push_back("-menable-no-nans"); |
| 2973 | |
Benjamin Kramer | 769aa2d | 2012-05-02 14:55:48 +0000 | [diff] [blame] | 2974 | // -fmath-errno is the default on some platforms, e.g. BSD-derived OSes. |
| 2975 | bool MathErrno = getToolChain().IsMathErrnoDefault(); |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2976 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2977 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2978 | options::OPT_fmath_errno, |
Chandler Carruth | b69557e | 2013-05-18 20:47:36 +0000 | [diff] [blame] | 2979 | options::OPT_fno_math_errno)) { |
| 2980 | // Turning on -ffast_math (with either flag) removes the need for MathErrno. |
| 2981 | // However, turning *off* -ffast_math merely restores the toolchain default |
| 2982 | // (which may be false). |
| 2983 | if (A->getOption().getID() == options::OPT_fno_math_errno || |
| 2984 | A->getOption().getID() == options::OPT_ffast_math || |
| 2985 | A->getOption().getID() == options::OPT_Ofast) |
| 2986 | MathErrno = false; |
| 2987 | else if (A->getOption().getID() == options::OPT_fmath_errno) |
| 2988 | MathErrno = true; |
| 2989 | } |
Chandler Carruth | 4f50c50 | 2012-04-26 02:10:51 +0000 | [diff] [blame] | 2990 | if (MathErrno) |
| 2991 | CmdArgs.push_back("-fmath-errno"); |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 2992 | |
| 2993 | // There are several flags which require disabling very specific |
| 2994 | // optimizations. Any of these being disabled forces us to turn off the |
| 2995 | // entire set of LLVM optimizations, so collect them through all the flag |
| 2996 | // madness. |
| 2997 | bool AssociativeMath = false; |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 2998 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 2999 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3000 | options::OPT_funsafe_math_optimizations, |
| 3001 | options::OPT_fno_unsafe_math_optimizations, |
| 3002 | options::OPT_fassociative_math, |
| 3003 | options::OPT_fno_associative_math)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3004 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 3005 | A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3006 | A->getOption().getID() != options::OPT_fno_associative_math) |
| 3007 | AssociativeMath = true; |
| 3008 | bool ReciprocalMath = false; |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3009 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3010 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3011 | options::OPT_funsafe_math_optimizations, |
| 3012 | options::OPT_fno_unsafe_math_optimizations, |
| 3013 | options::OPT_freciprocal_math, |
| 3014 | options::OPT_fno_reciprocal_math)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3015 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 3016 | A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3017 | A->getOption().getID() != options::OPT_fno_reciprocal_math) |
| 3018 | ReciprocalMath = true; |
| 3019 | bool SignedZeros = true; |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3020 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3021 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3022 | options::OPT_funsafe_math_optimizations, |
| 3023 | options::OPT_fno_unsafe_math_optimizations, |
| 3024 | options::OPT_fsigned_zeros, |
| 3025 | options::OPT_fno_signed_zeros)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3026 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 3027 | A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3028 | A->getOption().getID() != options::OPT_fsigned_zeros) |
| 3029 | SignedZeros = false; |
| 3030 | bool TrappingMath = true; |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3031 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3032 | options::OPT_fno_fast_math, |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3033 | options::OPT_funsafe_math_optimizations, |
| 3034 | options::OPT_fno_unsafe_math_optimizations, |
| 3035 | options::OPT_ftrapping_math, |
| 3036 | options::OPT_fno_trapping_math)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3037 | if (A->getOption().getID() != options::OPT_fno_fast_math && |
| 3038 | A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations && |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3039 | A->getOption().getID() != options::OPT_ftrapping_math) |
| 3040 | TrappingMath = false; |
| 3041 | if (!MathErrno && AssociativeMath && ReciprocalMath && !SignedZeros && |
| 3042 | !TrappingMath) |
| 3043 | CmdArgs.push_back("-menable-unsafe-fp-math"); |
| 3044 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3045 | if (!SignedZeros) |
| 3046 | CmdArgs.push_back("-fno-signed-zeros"); |
Lang Hames | c968671 | 2012-07-06 00:59:19 +0000 | [diff] [blame] | 3047 | |
| 3048 | // Validate and pass through -fp-contract option. |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3049 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3050 | options::OPT_fno_fast_math, |
Lang Hames | c968671 | 2012-07-06 00:59:19 +0000 | [diff] [blame] | 3051 | options::OPT_ffp_contract)) { |
| 3052 | if (A->getOption().getID() == options::OPT_ffp_contract) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3053 | StringRef Val = A->getValue(); |
Lang Hames | c968671 | 2012-07-06 00:59:19 +0000 | [diff] [blame] | 3054 | if (Val == "fast" || Val == "on" || Val == "off") { |
| 3055 | CmdArgs.push_back(Args.MakeArgString("-ffp-contract=" + Val)); |
| 3056 | } else { |
| 3057 | D.Diag(diag::err_drv_unsupported_option_argument) |
| 3058 | << A->getOption().getName() << Val; |
| 3059 | } |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3060 | } else if (A->getOption().matches(options::OPT_ffast_math) || |
| 3061 | (OFastEnabled && A->getOption().matches(options::OPT_Ofast))) { |
Lang Hames | c968671 | 2012-07-06 00:59:19 +0000 | [diff] [blame] | 3062 | // If fast-math is set then set the fp-contract mode to fast. |
| 3063 | CmdArgs.push_back(Args.MakeArgString("-ffp-contract=fast")); |
| 3064 | } |
| 3065 | } |
| 3066 | |
Bob Wilson | 455e72e | 2012-07-19 03:52:53 +0000 | [diff] [blame] | 3067 | // We separately look for the '-ffast-math' and '-ffinite-math-only' flags, |
| 3068 | // and if we find them, tell the frontend to provide the appropriate |
| 3069 | // preprocessor macros. This is distinct from enabling any optimizations as |
| 3070 | // these options induce language changes which must survive serialization |
| 3071 | // and deserialization, etc. |
Chad Rosier | b82e117 | 2013-04-24 18:09:54 +0000 | [diff] [blame] | 3072 | if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
| 3073 | options::OPT_fno_fast_math)) |
| 3074 | if (!A->getOption().matches(options::OPT_fno_fast_math)) |
| 3075 | CmdArgs.push_back("-ffast-math"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3076 | if (Arg *A = Args.getLastArg(options::OPT_ffinite_math_only, |
| 3077 | options::OPT_fno_fast_math)) |
Chad Rosier | 80ecf5e | 2012-09-25 22:03:25 +0000 | [diff] [blame] | 3078 | if (A->getOption().matches(options::OPT_ffinite_math_only)) |
| 3079 | CmdArgs.push_back("-ffinite-math-only"); |
Chandler Carruth | abf07a7 | 2012-01-02 14:19:45 +0000 | [diff] [blame] | 3080 | |
Daniel Dunbar | 1b71848 | 2010-05-14 22:00:22 +0000 | [diff] [blame] | 3081 | // Decide whether to use verbose asm. Verbose assembly is the default on |
| 3082 | // toolchains which have the integrated assembler on by default. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3083 | bool IsIntegratedAssemblerDefault = |
| 3084 | getToolChain().IsIntegratedAssemblerDefault(); |
Daniel Dunbar | 1b71848 | 2010-05-14 22:00:22 +0000 | [diff] [blame] | 3085 | if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3086 | IsIntegratedAssemblerDefault) || |
Daniel Dunbar | 1b71848 | 2010-05-14 22:00:22 +0000 | [diff] [blame] | 3087 | Args.hasArg(options::OPT_dA)) |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3088 | CmdArgs.push_back("-masm-verbose"); |
Daniel Dunbar | 1b71848 | 2010-05-14 22:00:22 +0000 | [diff] [blame] | 3089 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3090 | if (!Args.hasFlag(options::OPT_fintegrated_as, options::OPT_fno_integrated_as, |
| 3091 | IsIntegratedAssemblerDefault)) |
| 3092 | CmdArgs.push_back("-no-integrated-as"); |
| 3093 | |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3094 | if (Args.hasArg(options::OPT_fdebug_pass_structure)) { |
| 3095 | CmdArgs.push_back("-mdebug-pass"); |
| 3096 | CmdArgs.push_back("Structure"); |
| 3097 | } |
| 3098 | if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { |
| 3099 | CmdArgs.push_back("-mdebug-pass"); |
| 3100 | CmdArgs.push_back("Arguments"); |
| 3101 | } |
| 3102 | |
John McCall | d0c2ec4 | 2010-02-19 02:45:38 +0000 | [diff] [blame] | 3103 | // Enable -mconstructor-aliases except on darwin, where we have to |
| 3104 | // work around a linker bug; see <rdar://problem/7651567>. |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 3105 | if (!getToolChain().getTriple().isOSDarwin()) |
John McCall | d0c2ec4 | 2010-02-19 02:45:38 +0000 | [diff] [blame] | 3106 | CmdArgs.push_back("-mconstructor-aliases"); |
NAKAMURA Takumi | 125b4cb | 2011-02-17 08:50:50 +0000 | [diff] [blame] | 3107 | |
John McCall | 3209669 | 2011-03-18 02:56:14 +0000 | [diff] [blame] | 3108 | // Darwin's kernel doesn't support guard variables; just die if we |
| 3109 | // try to use them. |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 3110 | if (KernelOrKext && getToolChain().getTriple().isOSDarwin()) |
John McCall | 3209669 | 2011-03-18 02:56:14 +0000 | [diff] [blame] | 3111 | CmdArgs.push_back("-fforbid-guard-variables"); |
| 3112 | |
Douglas Gregor | 6f75550 | 2011-02-01 15:15:22 +0000 | [diff] [blame] | 3113 | if (Args.hasArg(options::OPT_mms_bitfields)) { |
| 3114 | CmdArgs.push_back("-mms-bitfields"); |
| 3115 | } |
John McCall | d0c2ec4 | 2010-02-19 02:45:38 +0000 | [diff] [blame] | 3116 | |
Daniel Dunbar | 6bea73b | 2009-09-16 06:17:29 +0000 | [diff] [blame] | 3117 | // This is a coarse approximation of what llvm-gcc actually does, both |
| 3118 | // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more |
| 3119 | // complicated ways. |
| 3120 | bool AsynchronousUnwindTables = |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3121 | Args.hasFlag(options::OPT_fasynchronous_unwind_tables, |
| 3122 | options::OPT_fno_asynchronous_unwind_tables, |
| 3123 | (getToolChain().IsUnwindTablesDefault() || |
| 3124 | getToolChain().getSanitizerArgs().needsUnwindTables()) && |
| 3125 | !KernelOrKext); |
Daniel Dunbar | 6bea73b | 2009-09-16 06:17:29 +0000 | [diff] [blame] | 3126 | if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables, |
| 3127 | AsynchronousUnwindTables)) |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3128 | CmdArgs.push_back("-munwind-tables"); |
| 3129 | |
Chandler Carruth | a6b2581 | 2012-11-21 23:40:23 +0000 | [diff] [blame] | 3130 | getToolChain().addClangTargetOptions(Args, CmdArgs); |
Rafael Espindola | 8af669f | 2012-06-19 01:26:10 +0000 | [diff] [blame] | 3131 | |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3132 | if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { |
| 3133 | CmdArgs.push_back("-mlimit-float-precision"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3134 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3135 | } |
Daniel Dunbar | bc85be8 | 2009-04-29 18:32:25 +0000 | [diff] [blame] | 3136 | |
Daniel Dunbar | 868bd0a | 2009-05-06 03:16:41 +0000 | [diff] [blame] | 3137 | // FIXME: Handle -mtune=. |
| 3138 | (void) Args.hasArg(options::OPT_mtune_EQ); |
Daniel Dunbar | bc85be8 | 2009-04-29 18:32:25 +0000 | [diff] [blame] | 3139 | |
Benjamin Kramer | 8e9ef0d | 2009-08-05 14:30:52 +0000 | [diff] [blame] | 3140 | if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { |
Daniel Dunbar | f219e7c | 2009-11-29 07:18:39 +0000 | [diff] [blame] | 3141 | CmdArgs.push_back("-mcode-model"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3142 | CmdArgs.push_back(A->getValue()); |
Benjamin Kramer | 8e9ef0d | 2009-08-05 14:30:52 +0000 | [diff] [blame] | 3143 | } |
| 3144 | |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 3145 | // Add the target cpu |
| 3146 | std::string ETripleStr = getToolChain().ComputeEffectiveClangTriple(Args); |
| 3147 | llvm::Triple ETriple(ETripleStr); |
| 3148 | std::string CPU = getCPUName(Args, ETriple); |
| 3149 | if (!CPU.empty()) { |
| 3150 | CmdArgs.push_back("-target-cpu"); |
| 3151 | CmdArgs.push_back(Args.MakeArgString(CPU)); |
| 3152 | } |
| 3153 | |
Rafael Espindola | 5389b84 | 2013-08-21 21:59:03 +0000 | [diff] [blame] | 3154 | if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ)) { |
| 3155 | CmdArgs.push_back("-mfpmath"); |
| 3156 | CmdArgs.push_back(A->getValue()); |
| 3157 | } |
| 3158 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 3159 | // Add the target features |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3160 | getTargetFeatures(D, ETriple, Args, CmdArgs, false); |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 3161 | |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 3162 | // Add target specific flags. |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 3163 | switch(getToolChain().getArch()) { |
Daniel Dunbar | 6acda16 | 2009-09-09 22:33:08 +0000 | [diff] [blame] | 3164 | default: |
| 3165 | break; |
Daniel Dunbar | 868bd0a | 2009-05-06 03:16:41 +0000 | [diff] [blame] | 3166 | |
Daniel Dunbar | b163ef7 | 2009-09-10 04:57:17 +0000 | [diff] [blame] | 3167 | case llvm::Triple::arm: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3168 | case llvm::Triple::armeb: |
Daniel Dunbar | b163ef7 | 2009-09-10 04:57:17 +0000 | [diff] [blame] | 3169 | case llvm::Triple::thumb: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3170 | case llvm::Triple::thumbeb: |
Daniel Dunbar | fa41d69 | 2011-03-17 17:10:06 +0000 | [diff] [blame] | 3171 | AddARMTargetArgs(Args, CmdArgs, KernelOrKext); |
Daniel Dunbar | b163ef7 | 2009-09-10 04:57:17 +0000 | [diff] [blame] | 3172 | break; |
| 3173 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3174 | case llvm::Triple::aarch64: |
| 3175 | case llvm::Triple::aarch64_be: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3176 | AddAArch64TargetArgs(Args, CmdArgs); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3177 | break; |
| 3178 | |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 3179 | case llvm::Triple::mips: |
| 3180 | case llvm::Triple::mipsel: |
Akira Hatanaka | 7ec0258 | 2011-09-21 02:13:07 +0000 | [diff] [blame] | 3181 | case llvm::Triple::mips64: |
| 3182 | case llvm::Triple::mips64el: |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 3183 | AddMIPSTargetArgs(Args, CmdArgs); |
| 3184 | break; |
| 3185 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3186 | case llvm::Triple::ppc: |
| 3187 | case llvm::Triple::ppc64: |
| 3188 | case llvm::Triple::ppc64le: |
| 3189 | AddPPCTargetArgs(Args, CmdArgs); |
| 3190 | break; |
| 3191 | |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 3192 | case llvm::Triple::sparc: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3193 | case llvm::Triple::sparcv9: |
Bruno Cardoso Lopes | 9284d21 | 2010-11-09 17:21:19 +0000 | [diff] [blame] | 3194 | AddSparcTargetArgs(Args, CmdArgs); |
| 3195 | break; |
| 3196 | |
Daniel Dunbar | 6acda16 | 2009-09-09 22:33:08 +0000 | [diff] [blame] | 3197 | case llvm::Triple::x86: |
| 3198 | case llvm::Triple::x86_64: |
| 3199 | AddX86TargetArgs(Args, CmdArgs); |
| 3200 | break; |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 3201 | |
| 3202 | case llvm::Triple::hexagon: |
| 3203 | AddHexagonTargetArgs(Args, CmdArgs); |
| 3204 | break; |
Daniel Dunbar | bc85be8 | 2009-04-29 18:32:25 +0000 | [diff] [blame] | 3205 | } |
| 3206 | |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 3207 | // Add clang-cl arguments. |
| 3208 | if (getToolChain().getDriver().IsCLMode()) |
| 3209 | AddClangCLArgs(Args, CmdArgs); |
| 3210 | |
Daniel Dunbar | c176bc6 | 2010-08-11 23:07:47 +0000 | [diff] [blame] | 3211 | // Pass the linker version in use. |
| 3212 | if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) { |
| 3213 | CmdArgs.push_back("-target-linker-version"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3214 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | c176bc6 | 2010-08-11 23:07:47 +0000 | [diff] [blame] | 3215 | } |
| 3216 | |
Eric Christopher | d3e22df | 2013-04-03 01:58:53 +0000 | [diff] [blame] | 3217 | if (!shouldUseLeafFramePointer(Args, getToolChain().getTriple())) |
Daniel Dunbar | 1ad6648 | 2010-07-01 01:31:45 +0000 | [diff] [blame] | 3218 | CmdArgs.push_back("-momit-leaf-frame-pointer"); |
| 3219 | |
Daniel Dunbar | b30575c | 2010-05-12 18:19:58 +0000 | [diff] [blame] | 3220 | // Explicitly error on some things we know we don't support and can't just |
| 3221 | // ignore. |
| 3222 | types::ID InputType = Inputs[0].getType(); |
Daniel Dunbar | e94db47 | 2010-09-24 19:39:37 +0000 | [diff] [blame] | 3223 | if (!Args.hasArg(options::OPT_fallow_unsupported)) { |
| 3224 | Arg *Unsupported; |
Daniel Dunbar | e94db47 | 2010-09-24 19:39:37 +0000 | [diff] [blame] | 3225 | if (types::isCXX(InputType) && |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 3226 | getToolChain().getTriple().isOSDarwin() && |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 3227 | getToolChain().getArch() == llvm::Triple::x86) { |
Bob Wilson | a544aee | 2011-08-13 23:48:55 +0000 | [diff] [blame] | 3228 | if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) || |
| 3229 | (Unsupported = Args.getLastArg(options::OPT_mkernel))) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3230 | D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) |
Daniel Dunbar | e94db47 | 2010-09-24 19:39:37 +0000 | [diff] [blame] | 3231 | << Unsupported->getOption().getName(); |
| 3232 | } |
Daniel Dunbar | b30575c | 2010-05-12 18:19:58 +0000 | [diff] [blame] | 3233 | } |
| 3234 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3235 | Args.AddAllArgs(CmdArgs, options::OPT_v); |
Daniel Dunbar | f7c16d9 | 2010-08-24 22:44:13 +0000 | [diff] [blame] | 3236 | Args.AddLastArg(CmdArgs, options::OPT_H); |
Chad Rosier | 2b81910 | 2011-08-02 17:58:04 +0000 | [diff] [blame] | 3237 | if (D.CCPrintHeaders && !D.CCGenDiagnostics) { |
Daniel Dunbar | 322c29f | 2011-02-02 21:11:35 +0000 | [diff] [blame] | 3238 | CmdArgs.push_back("-header-include-file"); |
| 3239 | CmdArgs.push_back(D.CCPrintHeadersFilename ? |
| 3240 | D.CCPrintHeadersFilename : "-"); |
| 3241 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3242 | Args.AddLastArg(CmdArgs, options::OPT_P); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3243 | Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3244 | |
Chad Rosier | 2b81910 | 2011-08-02 17:58:04 +0000 | [diff] [blame] | 3245 | if (D.CCLogDiagnostics && !D.CCGenDiagnostics) { |
Daniel Dunbar | c8a22b0 | 2011-04-07 18:01:20 +0000 | [diff] [blame] | 3246 | CmdArgs.push_back("-diagnostic-log-file"); |
| 3247 | CmdArgs.push_back(D.CCLogDiagnosticsFilename ? |
| 3248 | D.CCLogDiagnosticsFilename : "-"); |
| 3249 | } |
| 3250 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3251 | // Use the last option from "-g" group. "-gline-tables-only" and "-gdwarf-x" |
| 3252 | // are preserved, all other debug options are substituted with "-g". |
Rafael Espindola | 18f36d9 | 2010-03-07 04:46:18 +0000 | [diff] [blame] | 3253 | Args.ClaimAllArgs(options::OPT_g_Group); |
Alexey Samsonov | a9cd83b | 2012-05-29 08:10:34 +0000 | [diff] [blame] | 3254 | if (Arg *A = Args.getLastArg(options::OPT_g_Group)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3255 | if (A->getOption().matches(options::OPT_gline_tables_only) || |
| 3256 | A->getOption().matches(options::OPT_g1)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3257 | // FIXME: we should support specifying dwarf version with |
| 3258 | // -gline-tables-only. |
Alexey Samsonov | a9cd83b | 2012-05-29 08:10:34 +0000 | [diff] [blame] | 3259 | CmdArgs.push_back("-gline-tables-only"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3260 | // Default is dwarf-2 for Darwin, OpenBSD, FreeBSD and Solaris. |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3261 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 3262 | if (Triple.isOSDarwin() || Triple.getOS() == llvm::Triple::OpenBSD || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3263 | Triple.getOS() == llvm::Triple::FreeBSD || |
| 3264 | Triple.getOS() == llvm::Triple::Solaris) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3265 | CmdArgs.push_back("-gdwarf-2"); |
| 3266 | } else if (A->getOption().matches(options::OPT_gdwarf_2)) |
Manman Ren | fc0f91c | 2013-06-19 01:46:49 +0000 | [diff] [blame] | 3267 | CmdArgs.push_back("-gdwarf-2"); |
| 3268 | else if (A->getOption().matches(options::OPT_gdwarf_3)) |
| 3269 | CmdArgs.push_back("-gdwarf-3"); |
| 3270 | else if (A->getOption().matches(options::OPT_gdwarf_4)) |
| 3271 | CmdArgs.push_back("-gdwarf-4"); |
Eric Christopher | c706c8e | 2013-02-05 07:29:57 +0000 | [diff] [blame] | 3272 | else if (!A->getOption().matches(options::OPT_g0) && |
Manman Ren | 8ed38d8 | 2013-07-02 23:15:25 +0000 | [diff] [blame] | 3273 | !A->getOption().matches(options::OPT_ggdb0)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3274 | // Default is dwarf-2 for Darwin, OpenBSD, FreeBSD and Solaris. |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3275 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 3276 | if (Triple.isOSDarwin() || Triple.getOS() == llvm::Triple::OpenBSD || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3277 | Triple.getOS() == llvm::Triple::FreeBSD || |
| 3278 | Triple.getOS() == llvm::Triple::Solaris) |
Manman Ren | 8ed38d8 | 2013-07-02 23:15:25 +0000 | [diff] [blame] | 3279 | CmdArgs.push_back("-gdwarf-2"); |
| 3280 | else |
| 3281 | CmdArgs.push_back("-g"); |
| 3282 | } |
Alexey Samsonov | a9cd83b | 2012-05-29 08:10:34 +0000 | [diff] [blame] | 3283 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3284 | |
Alexey Samsonov | 7f32607 | 2012-06-21 08:22:39 +0000 | [diff] [blame] | 3285 | // We ignore flags -gstrict-dwarf and -grecord-gcc-switches for now. |
| 3286 | Args.ClaimAllArgs(options::OPT_g_flags_Group); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3287 | if (Args.hasFlag(options::OPT_gcolumn_info, options::OPT_gno_column_info, |
| 3288 | /*Default*/ true)) |
Eric Christopher | da3301e | 2012-10-18 21:52:18 +0000 | [diff] [blame] | 3289 | CmdArgs.push_back("-dwarf-column-info"); |
Alexey Samsonov | 7f32607 | 2012-06-21 08:22:39 +0000 | [diff] [blame] | 3290 | |
Eric Christopher | 0f43a6d | 2013-09-13 22:37:55 +0000 | [diff] [blame] | 3291 | // FIXME: Move backend command line options to the module. |
Eric Christopher | c706c8e | 2013-02-05 07:29:57 +0000 | [diff] [blame] | 3292 | // -gsplit-dwarf should turn on -g and enable the backend dwarf |
| 3293 | // splitting and extraction. |
Eric Christopher | f870e12 | 2013-02-21 22:35:05 +0000 | [diff] [blame] | 3294 | // FIXME: Currently only works on Linux. |
Cameron Esfahani | 57b1da1 | 2013-09-14 01:09:11 +0000 | [diff] [blame] | 3295 | if (getToolChain().getTriple().isOSLinux() && |
Eric Christopher | f870e12 | 2013-02-21 22:35:05 +0000 | [diff] [blame] | 3296 | Args.hasArg(options::OPT_gsplit_dwarf)) { |
Eric Christopher | c706c8e | 2013-02-05 07:29:57 +0000 | [diff] [blame] | 3297 | CmdArgs.push_back("-g"); |
| 3298 | CmdArgs.push_back("-backend-option"); |
| 3299 | CmdArgs.push_back("-split-dwarf=Enable"); |
| 3300 | } |
| 3301 | |
Eric Christopher | 0f43a6d | 2013-09-13 22:37:55 +0000 | [diff] [blame] | 3302 | // -ggnu-pubnames turns on gnu style pubnames in the backend. |
| 3303 | if (Args.hasArg(options::OPT_ggnu_pubnames)) { |
| 3304 | CmdArgs.push_back("-backend-option"); |
| 3305 | CmdArgs.push_back("-generate-gnu-dwarf-pub-sections"); |
| 3306 | } |
Eric Christopher | 3e8ac1b | 2013-06-18 00:03:50 +0000 | [diff] [blame] | 3307 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3308 | // -gdwarf-aranges turns on the emission of the aranges section in the |
| 3309 | // backend. |
| 3310 | if (Args.hasArg(options::OPT_gdwarf_aranges)) { |
| 3311 | CmdArgs.push_back("-backend-option"); |
| 3312 | CmdArgs.push_back("-generate-arange-section"); |
| 3313 | } |
Eric Christopher | 3e8ac1b | 2013-06-18 00:03:50 +0000 | [diff] [blame] | 3314 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3315 | if (Args.hasFlag(options::OPT_fdebug_types_section, |
| 3316 | options::OPT_fno_debug_types_section, false)) { |
| 3317 | CmdArgs.push_back("-backend-option"); |
| 3318 | CmdArgs.push_back("-generate-type-units"); |
| 3319 | } |
| 3320 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3321 | // CloudABI uses -ffunction-sections and -fdata-sections by default. |
| 3322 | bool UseSeparateSections = Triple.getOS() == llvm::Triple::CloudABI; |
| 3323 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3324 | if (Args.hasFlag(options::OPT_ffunction_sections, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3325 | options::OPT_fno_function_sections, UseSeparateSections)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3326 | CmdArgs.push_back("-ffunction-sections"); |
| 3327 | } |
| 3328 | |
| 3329 | if (Args.hasFlag(options::OPT_fdata_sections, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3330 | options::OPT_fno_data_sections, UseSeparateSections)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3331 | CmdArgs.push_back("-fdata-sections"); |
| 3332 | } |
Rafael Espindola | 9cf933a | 2010-05-06 21:06:04 +0000 | [diff] [blame] | 3333 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3334 | if (!Args.hasFlag(options::OPT_funique_section_names, |
| 3335 | options::OPT_fno_unique_section_names, true)) |
| 3336 | CmdArgs.push_back("-fno-unique-section-names"); |
| 3337 | |
Chris Lattner | 7255a2d | 2010-06-22 00:03:40 +0000 | [diff] [blame] | 3338 | Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions); |
| 3339 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3340 | if (Args.hasArg(options::OPT_fprofile_instr_generate) && |
| 3341 | (Args.hasArg(options::OPT_fprofile_instr_use) || |
| 3342 | Args.hasArg(options::OPT_fprofile_instr_use_EQ))) |
| 3343 | D.Diag(diag::err_drv_argument_not_allowed_with) |
| 3344 | << "-fprofile-instr-generate" << "-fprofile-instr-use"; |
| 3345 | |
| 3346 | Args.AddAllArgs(CmdArgs, options::OPT_fprofile_instr_generate); |
| 3347 | |
| 3348 | if (Arg *A = Args.getLastArg(options::OPT_fprofile_instr_use_EQ)) |
| 3349 | A->render(Args, CmdArgs); |
| 3350 | else if (Args.hasArg(options::OPT_fprofile_instr_use)) |
| 3351 | CmdArgs.push_back("-fprofile-instr-use=pgo-data"); |
| 3352 | |
Nick Lewycky | e8ba8d7 | 2011-04-21 23:44:07 +0000 | [diff] [blame] | 3353 | if (Args.hasArg(options::OPT_ftest_coverage) || |
| 3354 | Args.hasArg(options::OPT_coverage)) |
| 3355 | CmdArgs.push_back("-femit-coverage-notes"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3356 | if (Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs, |
| 3357 | false) || |
Nick Lewycky | e8ba8d7 | 2011-04-21 23:44:07 +0000 | [diff] [blame] | 3358 | Args.hasArg(options::OPT_coverage)) |
| 3359 | CmdArgs.push_back("-femit-coverage-data"); |
| 3360 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3361 | if (Args.hasArg(options::OPT_fcoverage_mapping) && |
| 3362 | !Args.hasArg(options::OPT_fprofile_instr_generate)) |
| 3363 | D.Diag(diag::err_drv_argument_only_allowed_with) |
| 3364 | << "-fcoverage-mapping" << "-fprofile-instr-generate"; |
| 3365 | |
| 3366 | if (Args.hasArg(options::OPT_fcoverage_mapping)) |
| 3367 | CmdArgs.push_back("-fcoverage-mapping"); |
| 3368 | |
Nick Lewycky | 5ea4f44 | 2011-05-04 20:46:58 +0000 | [diff] [blame] | 3369 | if (C.getArgs().hasArg(options::OPT_c) || |
| 3370 | C.getArgs().hasArg(options::OPT_S)) { |
| 3371 | if (Output.isFilename()) { |
Nick Lewycky | 3dc0541 | 2011-05-05 00:08:20 +0000 | [diff] [blame] | 3372 | CmdArgs.push_back("-coverage-file"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3373 | SmallString<128> CoverageFilename; |
| 3374 | if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o)) { |
| 3375 | CoverageFilename = FinalOutput->getValue(); |
| 3376 | } else { |
| 3377 | CoverageFilename = llvm::sys::path::filename(Output.getBaseInput()); |
| 3378 | } |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3379 | if (llvm::sys::path::is_relative(CoverageFilename)) { |
Rafael Espindola | a214824 | 2013-08-10 01:40:10 +0000 | [diff] [blame] | 3380 | SmallString<128> Pwd; |
| 3381 | if (!llvm::sys::fs::current_path(Pwd)) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3382 | llvm::sys::path::append(Pwd, CoverageFilename); |
Rafael Espindola | a214824 | 2013-08-10 01:40:10 +0000 | [diff] [blame] | 3383 | CoverageFilename.swap(Pwd); |
Nick Lewycky | 0f815f1 | 2013-03-07 08:28:53 +0000 | [diff] [blame] | 3384 | } |
| 3385 | } |
Eric Christopher | 025b3d4 | 2013-02-22 00:24:40 +0000 | [diff] [blame] | 3386 | CmdArgs.push_back(Args.MakeArgString(CoverageFilename)); |
Nick Lewycky | 5ea4f44 | 2011-05-04 20:46:58 +0000 | [diff] [blame] | 3387 | } |
| 3388 | } |
| 3389 | |
Daniel Dunbar | a268fc0 | 2011-10-11 18:20:10 +0000 | [diff] [blame] | 3390 | // Pass options for controlling the default header search paths. |
| 3391 | if (Args.hasArg(options::OPT_nostdinc)) { |
| 3392 | CmdArgs.push_back("-nostdsysteminc"); |
| 3393 | CmdArgs.push_back("-nobuiltininc"); |
| 3394 | } else { |
Daniel Dunbar | 92d6d40 | 2011-10-11 18:20:16 +0000 | [diff] [blame] | 3395 | if (Args.hasArg(options::OPT_nostdlibinc)) |
| 3396 | CmdArgs.push_back("-nostdsysteminc"); |
Daniel Dunbar | a268fc0 | 2011-10-11 18:20:10 +0000 | [diff] [blame] | 3397 | Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); |
| 3398 | Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); |
| 3399 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3400 | |
Daniel Dunbar | 5f12232 | 2009-12-15 01:02:52 +0000 | [diff] [blame] | 3401 | // Pass the path to compiler resource files. |
Daniel Dunbar | 5f12232 | 2009-12-15 01:02:52 +0000 | [diff] [blame] | 3402 | CmdArgs.push_back("-resource-dir"); |
Daniel Dunbar | 225c417 | 2010-01-20 02:35:16 +0000 | [diff] [blame] | 3403 | CmdArgs.push_back(D.ResourceDir.c_str()); |
Daniel Dunbar | 2ac9fc2 | 2009-04-07 21:42:00 +0000 | [diff] [blame] | 3404 | |
Argyrios Kyrtzidis | 389db16 | 2010-11-03 22:45:23 +0000 | [diff] [blame] | 3405 | Args.AddLastArg(CmdArgs, options::OPT_working_directory); |
| 3406 | |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3407 | bool ARCMTEnabled = false; |
Argyrios Kyrtzidis | dce3ce3 | 2013-09-17 19:14:29 +0000 | [diff] [blame] | 3408 | if (!Args.hasArg(options::OPT_fno_objc_arc, options::OPT_fobjc_arc)) { |
Argyrios Kyrtzidis | 72ac120 | 2011-07-07 04:00:39 +0000 | [diff] [blame] | 3409 | if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check, |
Argyrios Kyrtzidis | 69325d5 | 2011-07-09 20:00:58 +0000 | [diff] [blame] | 3410 | options::OPT_ccc_arcmt_modify, |
| 3411 | options::OPT_ccc_arcmt_migrate)) { |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3412 | ARCMTEnabled = true; |
John McCall | 8f0e8d2 | 2011-06-15 23:25:17 +0000 | [diff] [blame] | 3413 | switch (A->getOption().getID()) { |
| 3414 | default: |
| 3415 | llvm_unreachable("missed a case"); |
Argyrios Kyrtzidis | 72ac120 | 2011-07-07 04:00:39 +0000 | [diff] [blame] | 3416 | case options::OPT_ccc_arcmt_check: |
John McCall | 8f0e8d2 | 2011-06-15 23:25:17 +0000 | [diff] [blame] | 3417 | CmdArgs.push_back("-arcmt-check"); |
| 3418 | break; |
Argyrios Kyrtzidis | 72ac120 | 2011-07-07 04:00:39 +0000 | [diff] [blame] | 3419 | case options::OPT_ccc_arcmt_modify: |
John McCall | 8f0e8d2 | 2011-06-15 23:25:17 +0000 | [diff] [blame] | 3420 | CmdArgs.push_back("-arcmt-modify"); |
| 3421 | break; |
Argyrios Kyrtzidis | 69325d5 | 2011-07-09 20:00:58 +0000 | [diff] [blame] | 3422 | case options::OPT_ccc_arcmt_migrate: |
| 3423 | CmdArgs.push_back("-arcmt-migrate"); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3424 | CmdArgs.push_back("-mt-migrate-directory"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3425 | CmdArgs.push_back(A->getValue()); |
Argyrios Kyrtzidis | 7ee2049 | 2011-07-19 17:20:03 +0000 | [diff] [blame] | 3426 | |
| 3427 | Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output); |
| 3428 | Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors); |
Argyrios Kyrtzidis | 69325d5 | 2011-07-09 20:00:58 +0000 | [diff] [blame] | 3429 | break; |
John McCall | 8f0e8d2 | 2011-06-15 23:25:17 +0000 | [diff] [blame] | 3430 | } |
| 3431 | } |
Argyrios Kyrtzidis | f75ece4 | 2013-06-24 19:01:18 +0000 | [diff] [blame] | 3432 | } else { |
| 3433 | Args.ClaimAllArgs(options::OPT_ccc_arcmt_check); |
| 3434 | Args.ClaimAllArgs(options::OPT_ccc_arcmt_modify); |
| 3435 | Args.ClaimAllArgs(options::OPT_ccc_arcmt_migrate); |
John McCall | 8f0e8d2 | 2011-06-15 23:25:17 +0000 | [diff] [blame] | 3436 | } |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 3437 | |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3438 | if (const Arg *A = Args.getLastArg(options::OPT_ccc_objcmt_migrate)) { |
| 3439 | if (ARCMTEnabled) { |
| 3440 | D.Diag(diag::err_drv_argument_not_allowed_with) |
| 3441 | << A->getAsString(Args) << "-ccc-arcmt-migrate"; |
| 3442 | } |
| 3443 | CmdArgs.push_back("-mt-migrate-directory"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3444 | CmdArgs.push_back(A->getValue()); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3445 | |
| 3446 | if (!Args.hasArg(options::OPT_objcmt_migrate_literals, |
Fariborz Jahanian | d412999 | 2013-07-09 16:59:14 +0000 | [diff] [blame] | 3447 | options::OPT_objcmt_migrate_subscripting, |
| 3448 | options::OPT_objcmt_migrate_property)) { |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3449 | // None specified, means enable them all. |
| 3450 | CmdArgs.push_back("-objcmt-migrate-literals"); |
| 3451 | CmdArgs.push_back("-objcmt-migrate-subscripting"); |
Fariborz Jahanian | d412999 | 2013-07-09 16:59:14 +0000 | [diff] [blame] | 3452 | CmdArgs.push_back("-objcmt-migrate-property"); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3453 | } else { |
| 3454 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals); |
| 3455 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting); |
Fariborz Jahanian | d412999 | 2013-07-09 16:59:14 +0000 | [diff] [blame] | 3456 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3457 | } |
Argyrios Kyrtzidis | 17c384c | 2013-11-13 23:38:20 +0000 | [diff] [blame] | 3458 | } else { |
| 3459 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals); |
| 3460 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting); |
| 3461 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property); |
| 3462 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_all); |
| 3463 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readonly_property); |
| 3464 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readwrite_property); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3465 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property_dot_syntax); |
Argyrios Kyrtzidis | 17c384c | 2013-11-13 23:38:20 +0000 | [diff] [blame] | 3466 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_annotation); |
| 3467 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_instancetype); |
| 3468 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_nsmacros); |
| 3469 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_protocol_conformance); |
| 3470 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_atomic_property); |
| 3471 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_returns_innerpointer_property); |
| 3472 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_ns_nonatomic_iosonly); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3473 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_designated_init); |
| 3474 | Args.AddLastArg(CmdArgs, options::OPT_objcmt_whitelist_dir_path); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 3475 | } |
| 3476 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 3477 | // Add preprocessing options like -I, -D, etc. if we are using the |
| 3478 | // preprocessor. |
| 3479 | // |
| 3480 | // FIXME: Support -fpreprocessed |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 3481 | if (types::getPreprocessedType(InputType) != types::TY_INVALID) |
Chad Rosier | 9d71863 | 2013-01-24 19:14:47 +0000 | [diff] [blame] | 3482 | AddPreprocessingOptions(C, JA, D, Args, CmdArgs, Output, Inputs); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3483 | |
Rafael Espindola | 19d9d2e | 2011-07-21 23:40:37 +0000 | [diff] [blame] | 3484 | // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes |
| 3485 | // that "The compiler can only warn and ignore the option if not recognized". |
| 3486 | // When building with ccache, it will pass -D options to clang even on |
| 3487 | // preprocessed inputs and configure concludes that -fPIC is not supported. |
| 3488 | Args.ClaimAllArgs(options::OPT_D); |
| 3489 | |
Alp Toker | e22017e | 2013-11-15 20:40:58 +0000 | [diff] [blame] | 3490 | // Manually translate -O4 to -O3; let clang reject others. |
Rafael Espindola | 55ee1eb | 2013-08-27 16:58:15 +0000 | [diff] [blame] | 3491 | if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { |
| 3492 | if (A->getOption().matches(options::OPT_O4)) { |
| 3493 | CmdArgs.push_back("-O3"); |
| 3494 | D.Diag(diag::warn_O4_is_O3); |
| 3495 | } else { |
| 3496 | A->render(Args, CmdArgs); |
| 3497 | } |
| 3498 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3499 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3500 | // Warn about ignored options to clang. |
| 3501 | for (arg_iterator it = Args.filtered_begin( |
| 3502 | options::OPT_clang_ignored_gcc_optimization_f_Group), |
| 3503 | ie = Args.filtered_end(); it != ie; ++it) { |
| 3504 | D.Diag(diag::warn_ignored_gcc_optimization) << (*it)->getAsString(Args); |
| 3505 | } |
| 3506 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3507 | claimNoWarnArgs(Args); |
Chad Rosier | b2c0887 | 2012-12-12 20:06:31 +0000 | [diff] [blame] | 3508 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3509 | Args.AddAllArgs(CmdArgs, options::OPT_R_Group); |
Daniel Dunbar | 6e8371e | 2009-10-29 02:24:45 +0000 | [diff] [blame] | 3510 | Args.AddAllArgs(CmdArgs, options::OPT_W_Group); |
Ted Kremenek | e8cf7d1 | 2012-07-07 05:53:30 +0000 | [diff] [blame] | 3511 | if (Args.hasFlag(options::OPT_pedantic, options::OPT_no_pedantic, false)) |
| 3512 | CmdArgs.push_back("-pedantic"); |
Daniel Dunbar | 6e8371e | 2009-10-29 02:24:45 +0000 | [diff] [blame] | 3513 | Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3514 | Args.AddLastArg(CmdArgs, options::OPT_w); |
Daniel Dunbar | d573d26 | 2009-04-07 22:13:21 +0000 | [diff] [blame] | 3515 | |
| 3516 | // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} |
Hans Wennborg | adbb455 | 2013-07-31 16:57:56 +0000 | [diff] [blame] | 3517 | // (-ansi is equivalent to -std=c89 or -std=c++98). |
Daniel Dunbar | d573d26 | 2009-04-07 22:13:21 +0000 | [diff] [blame] | 3518 | // |
| 3519 | // If a std is supplied, only add -trigraphs if it follows the |
| 3520 | // option. |
| 3521 | if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) { |
| 3522 | if (Std->getOption().matches(options::OPT_ansi)) |
Nuno Lopes | 528365d | 2009-10-16 14:28:06 +0000 | [diff] [blame] | 3523 | if (types::isCXX(InputType)) |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 3524 | CmdArgs.push_back("-std=c++98"); |
Nuno Lopes | 528365d | 2009-10-16 14:28:06 +0000 | [diff] [blame] | 3525 | else |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 3526 | CmdArgs.push_back("-std=c89"); |
Daniel Dunbar | d573d26 | 2009-04-07 22:13:21 +0000 | [diff] [blame] | 3527 | else |
| 3528 | Std->render(Args, CmdArgs); |
| 3529 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3530 | // If -f(no-)trigraphs appears after the language standard flag, honor it. |
Daniel Dunbar | 0e10031 | 2010-06-14 21:23:08 +0000 | [diff] [blame] | 3531 | if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3532 | options::OPT_ftrigraphs, |
| 3533 | options::OPT_fno_trigraphs)) |
Daniel Dunbar | 0e10031 | 2010-06-14 21:23:08 +0000 | [diff] [blame] | 3534 | if (A != Std) |
Daniel Dunbar | d573d26 | 2009-04-07 22:13:21 +0000 | [diff] [blame] | 3535 | A->render(Args, CmdArgs); |
Daniel Dunbar | a3ff202 | 2009-04-26 01:10:38 +0000 | [diff] [blame] | 3536 | } else { |
| 3537 | // Honor -std-default. |
Daniel Dunbar | 4a5290e | 2010-01-29 21:03:02 +0000 | [diff] [blame] | 3538 | // |
| 3539 | // FIXME: Clang doesn't correctly handle -std= when the input language |
| 3540 | // doesn't match. For the time being just ignore this for C++ inputs; |
| 3541 | // eventually we want to do all the standard defaulting here instead of |
| 3542 | // splitting it between the driver and clang -cc1. |
| 3543 | if (!types::isCXX(InputType)) |
Nico Weber | 50f88b9 | 2012-08-30 02:08:31 +0000 | [diff] [blame] | 3544 | Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, |
| 3545 | "-std=", /*Joined=*/true); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3546 | else if (IsWindowsMSVC) |
Nico Weber | 50f88b9 | 2012-08-30 02:08:31 +0000 | [diff] [blame] | 3547 | CmdArgs.push_back("-std=c++11"); |
| 3548 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3549 | Args.AddLastArg(CmdArgs, options::OPT_ftrigraphs, |
| 3550 | options::OPT_fno_trigraphs); |
Daniel Dunbar | a3ff202 | 2009-04-26 01:10:38 +0000 | [diff] [blame] | 3551 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 3552 | |
Richard Smith | e9813b3 | 2013-09-04 22:50:31 +0000 | [diff] [blame] | 3553 | // GCC's behavior for -Wwrite-strings is a bit strange: |
| 3554 | // * In C, this "warning flag" changes the types of string literals from |
| 3555 | // 'char[N]' to 'const char[N]', and thus triggers an unrelated warning |
| 3556 | // for the discarded qualifier. |
| 3557 | // * In C++, this is just a normal warning flag. |
| 3558 | // |
| 3559 | // Implementing this warning correctly in C is hard, so we follow GCC's |
| 3560 | // behavior for now. FIXME: Directly diagnose uses of a string literal as |
| 3561 | // a non-const char* in C, rather than using this crude hack. |
| 3562 | if (!types::isCXX(InputType)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3563 | // FIXME: This should behave just like a warning flag, and thus should also |
| 3564 | // respect -Weverything, -Wno-everything, -Werror=write-strings, and so on. |
| 3565 | Arg *WriteStrings = |
| 3566 | Args.getLastArg(options::OPT_Wwrite_strings, |
| 3567 | options::OPT_Wno_write_strings, options::OPT_w); |
| 3568 | if (WriteStrings && |
| 3569 | WriteStrings->getOption().matches(options::OPT_Wwrite_strings)) |
Richard Smith | e9813b3 | 2013-09-04 22:50:31 +0000 | [diff] [blame] | 3570 | CmdArgs.push_back("-fconst-strings"); |
Chandler Carruth | 50465d1 | 2011-04-23 06:30:43 +0000 | [diff] [blame] | 3571 | } |
| 3572 | |
Chandler Carruth | 1cfe3c3 | 2011-04-23 09:27:53 +0000 | [diff] [blame] | 3573 | // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active |
Chandler Carruth | f8c247d | 2011-04-23 19:48:40 +0000 | [diff] [blame] | 3574 | // during C++ compilation, which it is by default. GCC keeps this define even |
| 3575 | // in the presence of '-w', match this behavior bug-for-bug. |
| 3576 | if (types::isCXX(InputType) && |
| 3577 | Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated, |
| 3578 | true)) { |
| 3579 | CmdArgs.push_back("-fdeprecated-macro"); |
Chandler Carruth | 1cfe3c3 | 2011-04-23 09:27:53 +0000 | [diff] [blame] | 3580 | } |
| 3581 | |
Chandler Carruth | c304ba3 | 2010-05-22 02:21:53 +0000 | [diff] [blame] | 3582 | // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. |
| 3583 | if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) { |
| 3584 | if (Asm->getOption().matches(options::OPT_fasm)) |
| 3585 | CmdArgs.push_back("-fgnu-keywords"); |
| 3586 | else |
| 3587 | CmdArgs.push_back("-fno-gnu-keywords"); |
| 3588 | } |
| 3589 | |
Nick Lewycky | ea523d7 | 2011-10-17 23:05:52 +0000 | [diff] [blame] | 3590 | if (ShouldDisableDwarfDirectory(Args, getToolChain())) |
| 3591 | CmdArgs.push_back("-fno-dwarf-directory-asm"); |
| 3592 | |
Daniel Dunbar | f491013 | 2013-04-16 18:21:19 +0000 | [diff] [blame] | 3593 | if (ShouldDisableAutolink(Args, getToolChain())) |
| 3594 | CmdArgs.push_back("-fno-autolink"); |
| 3595 | |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 3596 | // Add in -fdebug-compilation-dir if necessary. |
| 3597 | addDebugCompDirArg(Args, CmdArgs); |
Nick Lewycky | 7c4fd91 | 2011-10-21 02:32:14 +0000 | [diff] [blame] | 3598 | |
Richard Smith | c18c423 | 2011-11-21 19:36:32 +0000 | [diff] [blame] | 3599 | if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_, |
| 3600 | options::OPT_ftemplate_depth_EQ)) { |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3601 | CmdArgs.push_back("-ftemplate-depth"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3602 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3603 | } |
| 3604 | |
Richard Smith | 195dd7c | 2013-11-06 19:31:51 +0000 | [diff] [blame] | 3605 | if (Arg *A = Args.getLastArg(options::OPT_foperator_arrow_depth_EQ)) { |
| 3606 | CmdArgs.push_back("-foperator-arrow-depth"); |
| 3607 | CmdArgs.push_back(A->getValue()); |
| 3608 | } |
| 3609 | |
Richard Smith | c18c423 | 2011-11-21 19:36:32 +0000 | [diff] [blame] | 3610 | if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_depth_EQ)) { |
| 3611 | CmdArgs.push_back("-fconstexpr-depth"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3612 | CmdArgs.push_back(A->getValue()); |
Richard Smith | c18c423 | 2011-11-21 19:36:32 +0000 | [diff] [blame] | 3613 | } |
| 3614 | |
Richard Smith | e756563 | 2013-05-08 02:12:03 +0000 | [diff] [blame] | 3615 | if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_steps_EQ)) { |
| 3616 | CmdArgs.push_back("-fconstexpr-steps"); |
| 3617 | CmdArgs.push_back(A->getValue()); |
| 3618 | } |
| 3619 | |
Richard Smith | 9e738cc | 2013-02-22 01:59:51 +0000 | [diff] [blame] | 3620 | if (Arg *A = Args.getLastArg(options::OPT_fbracket_depth_EQ)) { |
| 3621 | CmdArgs.push_back("-fbracket-depth"); |
| 3622 | CmdArgs.push_back(A->getValue()); |
| 3623 | } |
| 3624 | |
Argyrios Kyrtzidis | 1380a14 | 2010-11-18 00:20:36 +0000 | [diff] [blame] | 3625 | if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ, |
| 3626 | options::OPT_Wlarge_by_value_copy_def)) { |
Jean-Daniel Dupas | 2e4fd6d | 2012-05-04 08:08:37 +0000 | [diff] [blame] | 3627 | if (A->getNumValues()) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3628 | StringRef bytes = A->getValue(); |
Jean-Daniel Dupas | 2e4fd6d | 2012-05-04 08:08:37 +0000 | [diff] [blame] | 3629 | CmdArgs.push_back(Args.MakeArgString("-Wlarge-by-value-copy=" + bytes)); |
| 3630 | } else |
| 3631 | CmdArgs.push_back("-Wlarge-by-value-copy=64"); // default value |
Argyrios Kyrtzidis | 3532fdd | 2010-11-17 23:11:54 +0000 | [diff] [blame] | 3632 | } |
| 3633 | |
Nuno Lopes | b3198a8 | 2012-05-08 22:10:46 +0000 | [diff] [blame] | 3634 | |
Michael J. Spencer | c635710 | 2012-10-22 22:13:48 +0000 | [diff] [blame] | 3635 | if (Args.hasArg(options::OPT_relocatable_pch)) |
Daniel Dunbar | 66861e0 | 2009-11-20 22:21:36 +0000 | [diff] [blame] | 3636 | CmdArgs.push_back("-relocatable-pch"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3637 | |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 3638 | if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { |
| 3639 | CmdArgs.push_back("-fconstant-string-class"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3640 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 3641 | } |
David Chisnall | 8a5a9aa | 2009-08-31 16:41:57 +0000 | [diff] [blame] | 3642 | |
Chris Lattner | 124fca5 | 2010-01-09 21:54:33 +0000 | [diff] [blame] | 3643 | if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { |
| 3644 | CmdArgs.push_back("-ftabstop"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3645 | CmdArgs.push_back(A->getValue()); |
Chris Lattner | 124fca5 | 2010-01-09 21:54:33 +0000 | [diff] [blame] | 3646 | } |
| 3647 | |
Chris Lattner | 0f0c963 | 2010-04-07 20:49:23 +0000 | [diff] [blame] | 3648 | CmdArgs.push_back("-ferror-limit"); |
| 3649 | if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3650 | CmdArgs.push_back(A->getValue()); |
Chris Lattner | 0f0c963 | 2010-04-07 20:49:23 +0000 | [diff] [blame] | 3651 | else |
| 3652 | CmdArgs.push_back("19"); |
Douglas Gregor | 575cf37 | 2010-04-20 07:18:24 +0000 | [diff] [blame] | 3653 | |
Chandler Carruth | c40f73c | 2010-05-06 04:55:18 +0000 | [diff] [blame] | 3654 | if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) { |
| 3655 | CmdArgs.push_back("-fmacro-backtrace-limit"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3656 | CmdArgs.push_back(A->getValue()); |
Chandler Carruth | c40f73c | 2010-05-06 04:55:18 +0000 | [diff] [blame] | 3657 | } |
| 3658 | |
| 3659 | if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) { |
| 3660 | CmdArgs.push_back("-ftemplate-backtrace-limit"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3661 | CmdArgs.push_back(A->getValue()); |
Chandler Carruth | c40f73c | 2010-05-06 04:55:18 +0000 | [diff] [blame] | 3662 | } |
| 3663 | |
Richard Smith | 08d6e03 | 2011-12-16 19:06:07 +0000 | [diff] [blame] | 3664 | if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_backtrace_limit_EQ)) { |
| 3665 | CmdArgs.push_back("-fconstexpr-backtrace-limit"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3666 | CmdArgs.push_back(A->getValue()); |
Richard Smith | 08d6e03 | 2011-12-16 19:06:07 +0000 | [diff] [blame] | 3667 | } |
| 3668 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3669 | if (Arg *A = Args.getLastArg(options::OPT_fspell_checking_limit_EQ)) { |
| 3670 | CmdArgs.push_back("-fspell-checking-limit"); |
| 3671 | CmdArgs.push_back(A->getValue()); |
| 3672 | } |
| 3673 | |
Daniel Dunbar | 55efe14 | 2009-11-04 06:24:47 +0000 | [diff] [blame] | 3674 | // Pass -fmessage-length=. |
Daniel Dunbar | a28690e | 2009-11-30 08:40:54 +0000 | [diff] [blame] | 3675 | CmdArgs.push_back("-fmessage-length"); |
Daniel Dunbar | 55efe14 | 2009-11-04 06:24:47 +0000 | [diff] [blame] | 3676 | if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3677 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | 55efe14 | 2009-11-04 06:24:47 +0000 | [diff] [blame] | 3678 | } else { |
| 3679 | // If -fmessage-length=N was not specified, determine whether this is a |
| 3680 | // terminal and, if so, implicitly define -fmessage-length appropriately. |
| 3681 | unsigned N = llvm::sys::Process::StandardErrColumns(); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3682 | CmdArgs.push_back(Args.MakeArgString(Twine(N))); |
Daniel Dunbar | 55efe14 | 2009-11-04 06:24:47 +0000 | [diff] [blame] | 3683 | } |
| 3684 | |
John McCall | a880b19 | 2013-02-19 01:57:35 +0000 | [diff] [blame] | 3685 | // -fvisibility= and -fvisibility-ms-compat are of a piece. |
| 3686 | if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ, |
| 3687 | options::OPT_fvisibility_ms_compat)) { |
| 3688 | if (A->getOption().matches(options::OPT_fvisibility_EQ)) { |
| 3689 | CmdArgs.push_back("-fvisibility"); |
| 3690 | CmdArgs.push_back(A->getValue()); |
| 3691 | } else { |
| 3692 | assert(A->getOption().matches(options::OPT_fvisibility_ms_compat)); |
| 3693 | CmdArgs.push_back("-fvisibility"); |
| 3694 | CmdArgs.push_back("hidden"); |
| 3695 | CmdArgs.push_back("-ftype-visibility"); |
| 3696 | CmdArgs.push_back("default"); |
| 3697 | } |
Daniel Dunbar | ba8d861 | 2009-12-03 18:42:11 +0000 | [diff] [blame] | 3698 | } |
| 3699 | |
Douglas Gregor | 7cf84d6 | 2010-06-15 17:05:35 +0000 | [diff] [blame] | 3700 | Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3701 | |
Hans Wennborg | de981f3 | 2012-06-28 08:01:44 +0000 | [diff] [blame] | 3702 | Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ); |
| 3703 | |
Daniel Dunbar | 0a80ba7 | 2010-03-20 04:52:14 +0000 | [diff] [blame] | 3704 | // -fhosted is default. |
Chad Rosier | afc4baa | 2012-03-26 22:04:46 +0000 | [diff] [blame] | 3705 | if (Args.hasFlag(options::OPT_ffreestanding, options::OPT_fhosted, false) || |
| 3706 | KernelOrKext) |
Daniel Dunbar | 0a80ba7 | 2010-03-20 04:52:14 +0000 | [diff] [blame] | 3707 | CmdArgs.push_back("-ffreestanding"); |
| 3708 | |
Daniel Dunbar | ba8d861 | 2009-12-03 18:42:11 +0000 | [diff] [blame] | 3709 | // Forward -f (flag) options which we can pass directly. |
Daniel Dunbar | 3aaf082 | 2009-04-07 21:51:40 +0000 | [diff] [blame] | 3710 | Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); |
Daniel Dunbar | 3aaf082 | 2009-04-07 21:51:40 +0000 | [diff] [blame] | 3711 | Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3712 | Args.AddLastArg(CmdArgs, options::OPT_fstandalone_debug); |
| 3713 | Args.AddLastArg(CmdArgs, options::OPT_fno_standalone_debug); |
Eric Christopher | e88c451 | 2011-10-25 07:13:06 +0000 | [diff] [blame] | 3714 | Args.AddLastArg(CmdArgs, options::OPT_fno_operator_names); |
Bill Schmidt | 9e0b647 | 2013-07-03 15:36:02 +0000 | [diff] [blame] | 3715 | // AltiVec language extensions aren't relevant for assembling. |
| 3716 | if (!isa<PreprocessJobAction>(JA) || |
| 3717 | Output.getType() != types::TY_PP_Asm) |
| 3718 | Args.AddLastArg(CmdArgs, options::OPT_faltivec); |
Richard Trieu | 246b6aa | 2012-06-26 18:18:47 +0000 | [diff] [blame] | 3719 | Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_show_template_tree); |
| 3720 | Args.AddLastArg(CmdArgs, options::OPT_fno_elide_type); |
Chad Rosier | 4574c3d | 2012-03-13 23:45:51 +0000 | [diff] [blame] | 3721 | |
Peter Collingbourne | c6911a2 | 2013-11-01 18:16:25 +0000 | [diff] [blame] | 3722 | const SanitizerArgs &Sanitize = getToolChain().getSanitizerArgs(); |
| 3723 | Sanitize.addArgs(Args, CmdArgs); |
Richard Smith | c4dabad | 2012-11-05 22:04:41 +0000 | [diff] [blame] | 3724 | |
Eric Christopher | 98654c9 | 2013-02-19 06:16:53 +0000 | [diff] [blame] | 3725 | // Report an error for -faltivec on anything other than PowerPC. |
Chad Rosier | 4574c3d | 2012-03-13 23:45:51 +0000 | [diff] [blame] | 3726 | if (const Arg *A = Args.getLastArg(options::OPT_faltivec)) |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 3727 | if (!(getToolChain().getArch() == llvm::Triple::ppc || |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 3728 | getToolChain().getArch() == llvm::Triple::ppc64 || |
| 3729 | getToolChain().getArch() == llvm::Triple::ppc64le)) |
Chad Rosier | 4574c3d | 2012-03-13 23:45:51 +0000 | [diff] [blame] | 3730 | D.Diag(diag::err_drv_argument_only_allowed_with) |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 3731 | << A->getAsString(Args) << "ppc/ppc64/ppc64le"; |
Chad Rosier | 4574c3d | 2012-03-13 23:45:51 +0000 | [diff] [blame] | 3732 | |
Daniel Dunbar | bbe8e3e | 2011-03-01 18:49:30 +0000 | [diff] [blame] | 3733 | if (getToolChain().SupportsProfiling()) |
| 3734 | Args.AddLastArg(CmdArgs, options::OPT_pg); |
Daniel Dunbar | 8c6fa84 | 2010-03-16 16:57:46 +0000 | [diff] [blame] | 3735 | |
| 3736 | // -flax-vector-conversions is default. |
| 3737 | if (!Args.hasFlag(options::OPT_flax_vector_conversions, |
| 3738 | options::OPT_fno_lax_vector_conversions)) |
| 3739 | CmdArgs.push_back("-fno-lax-vector-conversions"); |
| 3740 | |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 3741 | if (Args.getLastArg(options::OPT_fapple_kext)) |
| 3742 | CmdArgs.push_back("-fapple-kext"); |
| 3743 | |
Fariborz Jahanian | 34e6577 | 2009-05-22 20:17:16 +0000 | [diff] [blame] | 3744 | Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); |
Chris Lattner | 182e092 | 2009-04-21 05:34:31 +0000 | [diff] [blame] | 3745 | Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); |
Douglas Gregor | 4786c15 | 2010-08-19 20:24:43 +0000 | [diff] [blame] | 3746 | Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits); |
Daniel Dunbar | 3aaf082 | 2009-04-07 21:51:40 +0000 | [diff] [blame] | 3747 | Args.AddLastArg(CmdArgs, options::OPT_ftime_report); |
| 3748 | Args.AddLastArg(CmdArgs, options::OPT_ftrapv); |
David Chisnall | 7f18e67 | 2010-09-17 18:29:54 +0000 | [diff] [blame] | 3749 | |
| 3750 | if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) { |
| 3751 | CmdArgs.push_back("-ftrapv-handler"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3752 | CmdArgs.push_back(A->getValue()); |
David Chisnall | 7f18e67 | 2010-09-17 18:29:54 +0000 | [diff] [blame] | 3753 | } |
| 3754 | |
Bob Wilson | 71fd6cc | 2012-02-03 06:27:22 +0000 | [diff] [blame] | 3755 | Args.AddLastArg(CmdArgs, options::OPT_ftrap_function_EQ); |
Evan Cheng | 49af1f3 | 2011-04-08 21:37:45 +0000 | [diff] [blame] | 3756 | |
Chandler Carruth | 5adb5a8 | 2011-03-27 00:04:55 +0000 | [diff] [blame] | 3757 | // -fno-strict-overflow implies -fwrapv if it isn't disabled, but |
| 3758 | // -fstrict-overflow won't turn off an explicitly enabled -fwrapv. |
| 3759 | if (Arg *A = Args.getLastArg(options::OPT_fwrapv, |
| 3760 | options::OPT_fno_wrapv)) { |
| 3761 | if (A->getOption().matches(options::OPT_fwrapv)) |
| 3762 | CmdArgs.push_back("-fwrapv"); |
| 3763 | } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow, |
| 3764 | options::OPT_fno_strict_overflow)) { |
| 3765 | if (A->getOption().matches(options::OPT_fno_strict_overflow)) |
| 3766 | CmdArgs.push_back("-fwrapv"); |
| 3767 | } |
Hal Finkel | ce5b5f1 | 2013-11-17 16:03:29 +0000 | [diff] [blame] | 3768 | |
| 3769 | if (Arg *A = Args.getLastArg(options::OPT_freroll_loops, |
| 3770 | options::OPT_fno_reroll_loops)) |
| 3771 | if (A->getOption().matches(options::OPT_freroll_loops)) |
| 3772 | CmdArgs.push_back("-freroll-loops"); |
| 3773 | |
Daniel Dunbar | 3aaf082 | 2009-04-07 21:51:40 +0000 | [diff] [blame] | 3774 | Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); |
Chandler Carruth | b26404a | 2013-08-08 08:34:35 +0000 | [diff] [blame] | 3775 | Args.AddLastArg(CmdArgs, options::OPT_funroll_loops, |
| 3776 | options::OPT_fno_unroll_loops); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 3777 | |
Daniel Dunbar | 5345c39 | 2009-09-03 04:54:28 +0000 | [diff] [blame] | 3778 | Args.AddLastArg(CmdArgs, options::OPT_pthread); |
| 3779 | |
Mahesha S | f3b5231 | 2012-10-27 07:47:56 +0000 | [diff] [blame] | 3780 | |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3781 | // -stack-protector=0 is default. |
| 3782 | unsigned StackProtectorLevel = 0; |
Bill Wendling | 45483f7 | 2009-06-28 07:36:13 +0000 | [diff] [blame] | 3783 | if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, |
| 3784 | options::OPT_fstack_protector_all, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3785 | options::OPT_fstack_protector_strong, |
Bill Wendling | 45483f7 | 2009-06-28 07:36:13 +0000 | [diff] [blame] | 3786 | options::OPT_fstack_protector)) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3787 | if (A->getOption().matches(options::OPT_fstack_protector)) { |
| 3788 | StackProtectorLevel = std::max<unsigned>(LangOptions::SSPOn, |
| 3789 | getToolChain().GetDefaultStackProtectorLevel(KernelOrKext)); |
| 3790 | } else if (A->getOption().matches(options::OPT_fstack_protector_strong)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3791 | StackProtectorLevel = LangOptions::SSPStrong; |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3792 | else if (A->getOption().matches(options::OPT_fstack_protector_all)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3793 | StackProtectorLevel = LangOptions::SSPReq; |
Nico Weber | 2fef111 | 2011-08-23 07:38:27 +0000 | [diff] [blame] | 3794 | } else { |
| 3795 | StackProtectorLevel = |
| 3796 | getToolChain().GetDefaultStackProtectorLevel(KernelOrKext); |
| 3797 | } |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3798 | if (StackProtectorLevel) { |
| 3799 | CmdArgs.push_back("-stack-protector"); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3800 | CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel))); |
Joerg Sonnenberger | 53b43a7 | 2012-09-12 13:51:14 +0000 | [diff] [blame] | 3801 | } |
Chad Rosier | a7afeb0 | 2012-08-21 16:16:06 +0000 | [diff] [blame] | 3802 | |
Joerg Sonnenberger | 53b43a7 | 2012-09-12 13:51:14 +0000 | [diff] [blame] | 3803 | // --param ssp-buffer-size= |
| 3804 | for (arg_iterator it = Args.filtered_begin(options::OPT__param), |
| 3805 | ie = Args.filtered_end(); it != ie; ++it) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 3806 | StringRef Str((*it)->getValue()); |
Joerg Sonnenberger | 53b43a7 | 2012-09-12 13:51:14 +0000 | [diff] [blame] | 3807 | if (Str.startswith("ssp-buffer-size=")) { |
| 3808 | if (StackProtectorLevel) { |
Chad Rosier | a7afeb0 | 2012-08-21 16:16:06 +0000 | [diff] [blame] | 3809 | CmdArgs.push_back("-stack-protector-buffer-size"); |
| 3810 | // FIXME: Verify the argument is a valid integer. |
| 3811 | CmdArgs.push_back(Args.MakeArgString(Str.drop_front(16))); |
Chad Rosier | a7afeb0 | 2012-08-21 16:16:06 +0000 | [diff] [blame] | 3812 | } |
Joerg Sonnenberger | 53b43a7 | 2012-09-12 13:51:14 +0000 | [diff] [blame] | 3813 | (*it)->claim(); |
Chad Rosier | a7afeb0 | 2012-08-21 16:16:06 +0000 | [diff] [blame] | 3814 | } |
Bill Wendling | 45483f7 | 2009-06-28 07:36:13 +0000 | [diff] [blame] | 3815 | } |
| 3816 | |
Nick Lewycky | 4e785c9 | 2011-12-06 03:33:03 +0000 | [diff] [blame] | 3817 | // Translate -mstackrealign |
| 3818 | if (Args.hasFlag(options::OPT_mstackrealign, options::OPT_mno_stackrealign, |
| 3819 | false)) { |
| 3820 | CmdArgs.push_back("-backend-option"); |
| 3821 | CmdArgs.push_back("-force-align-stack"); |
| 3822 | } |
| 3823 | if (!Args.hasFlag(options::OPT_mno_stackrealign, options::OPT_mstackrealign, |
| 3824 | false)) { |
| 3825 | CmdArgs.push_back(Args.MakeArgString("-mstackrealign")); |
| 3826 | } |
| 3827 | |
Joerg Sonnenberger | e9d11db | 2011-12-05 23:05:23 +0000 | [diff] [blame] | 3828 | if (Args.hasArg(options::OPT_mstack_alignment)) { |
| 3829 | StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment); |
| 3830 | CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment)); |
Eric Christopher | 1a58402 | 2011-05-02 21:18:22 +0000 | [diff] [blame] | 3831 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3832 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3833 | if (Args.hasArg(options::OPT_mstack_probe_size)) { |
| 3834 | StringRef Size = Args.getLastArgValue(options::OPT_mstack_probe_size); |
| 3835 | |
| 3836 | if (!Size.empty()) |
| 3837 | CmdArgs.push_back(Args.MakeArgString("-mstack-probe-size=" + Size)); |
| 3838 | else |
| 3839 | CmdArgs.push_back("-mstack-probe-size=0"); |
| 3840 | } |
| 3841 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3842 | if (getToolChain().getTriple().getArch() == llvm::Triple::aarch64 || |
| 3843 | getToolChain().getTriple().getArch() == llvm::Triple::aarch64_be) |
| 3844 | CmdArgs.push_back("-fallow-half-arguments-and-returns"); |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 3845 | |
Weiming Zhao | 7792fde | 2013-11-13 18:31:23 +0000 | [diff] [blame] | 3846 | if (Arg *A = Args.getLastArg(options::OPT_mrestrict_it, |
| 3847 | options::OPT_mno_restrict_it)) { |
| 3848 | if (A->getOption().matches(options::OPT_mrestrict_it)) { |
| 3849 | CmdArgs.push_back("-backend-option"); |
| 3850 | CmdArgs.push_back("-arm-restrict-it"); |
| 3851 | } else { |
| 3852 | CmdArgs.push_back("-backend-option"); |
| 3853 | CmdArgs.push_back("-arm-no-restrict-it"); |
| 3854 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3855 | } else if (TT.isOSWindows() && (TT.getArch() == llvm::Triple::arm || |
| 3856 | TT.getArch() == llvm::Triple::thumb)) { |
| 3857 | // Windows on ARM expects restricted IT blocks |
| 3858 | CmdArgs.push_back("-backend-option"); |
| 3859 | CmdArgs.push_back("-arm-restrict-it"); |
Weiming Zhao | 7792fde | 2013-11-13 18:31:23 +0000 | [diff] [blame] | 3860 | } |
| 3861 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3862 | if (TT.getArch() == llvm::Triple::arm || |
| 3863 | TT.getArch() == llvm::Triple::thumb) { |
| 3864 | if (Arg *A = Args.getLastArg(options::OPT_mlong_calls, |
| 3865 | options::OPT_mno_long_calls)) { |
| 3866 | if (A->getOption().matches(options::OPT_mlong_calls)) { |
| 3867 | CmdArgs.push_back("-backend-option"); |
| 3868 | CmdArgs.push_back("-arm-long-calls"); |
| 3869 | } |
| 3870 | } |
| 3871 | } |
| 3872 | |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 3873 | // Forward -f options with positive and negative forms; we translate |
| 3874 | // these by hand. |
Diego Novillo | b85a9ec | 2013-11-13 12:22:39 +0000 | [diff] [blame] | 3875 | if (Arg *A = Args.getLastArg(options::OPT_fprofile_sample_use_EQ)) { |
| 3876 | StringRef fname = A->getValue(); |
| 3877 | if (!llvm::sys::fs::exists(fname)) |
| 3878 | D.Diag(diag::err_drv_no_such_file) << fname; |
| 3879 | else |
| 3880 | A->render(Args, CmdArgs); |
| 3881 | } |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 3882 | |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 3883 | if (Args.hasArg(options::OPT_mkernel)) { |
Daniel Dunbar | 2843c19 | 2011-02-04 17:24:47 +0000 | [diff] [blame] | 3884 | if (!Args.hasArg(options::OPT_fapple_kext) && types::isCXX(InputType)) |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 3885 | CmdArgs.push_back("-fapple-kext"); |
| 3886 | if (!Args.hasArg(options::OPT_fbuiltin)) |
| 3887 | CmdArgs.push_back("-fno-builtin"); |
Chad Rosier | 3d26550 | 2012-03-26 21:29:17 +0000 | [diff] [blame] | 3888 | Args.ClaimAllArgs(options::OPT_fno_builtin); |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 3889 | } |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3890 | // -fbuiltin is default. |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 3891 | else if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin)) |
Daniel Dunbar | 53e8484 | 2009-11-19 04:55:23 +0000 | [diff] [blame] | 3892 | CmdArgs.push_back("-fno-builtin"); |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 3893 | |
Nuno Lopes | fc28448 | 2009-12-16 16:59:22 +0000 | [diff] [blame] | 3894 | if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, |
| 3895 | options::OPT_fno_assume_sane_operator_new)) |
| 3896 | CmdArgs.push_back("-fno-assume-sane-operator-new"); |
| 3897 | |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3898 | // -fblocks=0 is default. |
| 3899 | if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, |
David Chisnall | e6533ff | 2011-02-28 17:11:43 +0000 | [diff] [blame] | 3900 | getToolChain().IsBlocksDefault()) || |
| 3901 | (Args.hasArg(options::OPT_fgnu_runtime) && |
| 3902 | Args.hasArg(options::OPT_fobjc_nonfragile_abi) && |
| 3903 | !Args.hasArg(options::OPT_fno_blocks))) { |
Daniel Dunbar | 9e5cc6b | 2009-11-17 08:07:36 +0000 | [diff] [blame] | 3904 | CmdArgs.push_back("-fblocks"); |
John McCall | 13db5cf | 2011-09-09 20:41:01 +0000 | [diff] [blame] | 3905 | |
| 3906 | if (!Args.hasArg(options::OPT_fgnu_runtime) && |
| 3907 | !getToolChain().hasBlocksRuntime()) |
| 3908 | CmdArgs.push_back("-fblocks-runtime-optional"); |
David Chisnall | 5e530af | 2009-11-17 19:33:30 +0000 | [diff] [blame] | 3909 | } |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 3910 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3911 | // -fmodules enables modules (off by default). |
| 3912 | // Users can pass -fno-cxx-modules to turn off modules support for |
| 3913 | // C++/Objective-C++ programs, which is a little less mature. |
Douglas Gregor | f43b721 | 2013-01-16 01:23:41 +0000 | [diff] [blame] | 3914 | bool HaveModules = false; |
Douglas Gregor | 64554ba | 2012-01-18 15:19:58 +0000 | [diff] [blame] | 3915 | if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) { |
| 3916 | bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules, |
| 3917 | options::OPT_fno_cxx_modules, |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3918 | true); |
Douglas Gregor | f43b721 | 2013-01-16 01:23:41 +0000 | [diff] [blame] | 3919 | if (AllowedInCXX || !types::isCXX(InputType)) { |
Douglas Gregor | 64554ba | 2012-01-18 15:19:58 +0000 | [diff] [blame] | 3920 | CmdArgs.push_back("-fmodules"); |
Douglas Gregor | f43b721 | 2013-01-16 01:23:41 +0000 | [diff] [blame] | 3921 | HaveModules = true; |
| 3922 | } |
| 3923 | } |
| 3924 | |
Daniel Jasper | 056ec12 | 2013-08-05 20:26:17 +0000 | [diff] [blame] | 3925 | // -fmodule-maps enables module map processing (off by default) for header |
| 3926 | // checking. It is implied by -fmodules. |
| 3927 | if (Args.hasFlag(options::OPT_fmodule_maps, options::OPT_fno_module_maps, |
| 3928 | false)) { |
| 3929 | CmdArgs.push_back("-fmodule-maps"); |
| 3930 | } |
| 3931 | |
Daniel Jasper | 9541141 | 2013-10-21 06:34:34 +0000 | [diff] [blame] | 3932 | // -fmodules-decluse checks that modules used are declared so (off by |
| 3933 | // default). |
Daniel Jasper | ddd2dfc | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 3934 | if (Args.hasFlag(options::OPT_fmodules_decluse, |
| 3935 | options::OPT_fno_modules_decluse, |
| 3936 | false)) { |
Daniel Jasper | 097595a | 2013-09-29 12:40:54 +0000 | [diff] [blame] | 3937 | CmdArgs.push_back("-fmodules-decluse"); |
Daniel Jasper | ddd2dfc | 2013-09-24 09:14:14 +0000 | [diff] [blame] | 3938 | } |
| 3939 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3940 | // -fmodules-strict-decluse is like -fmodule-decluse, but also checks that |
| 3941 | // all #included headers are part of modules. |
| 3942 | if (Args.hasFlag(options::OPT_fmodules_strict_decluse, |
| 3943 | options::OPT_fno_modules_strict_decluse, |
| 3944 | false)) { |
| 3945 | CmdArgs.push_back("-fmodules-strict-decluse"); |
| 3946 | } |
| 3947 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3948 | // -fno-implicit-modules turns off implicitly compiling modules on demand. |
| 3949 | if (!Args.hasFlag(options::OPT_fimplicit_modules, |
| 3950 | options::OPT_fno_implicit_modules)) { |
| 3951 | CmdArgs.push_back("-fno-implicit-modules"); |
| 3952 | } |
| 3953 | |
Daniel Jasper | 9541141 | 2013-10-21 06:34:34 +0000 | [diff] [blame] | 3954 | // -fmodule-name specifies the module that is currently being built (or |
| 3955 | // used for header checking by -fmodule-maps). |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3956 | Args.AddLastArg(CmdArgs, options::OPT_fmodule_name); |
Daniel Jasper | 9541141 | 2013-10-21 06:34:34 +0000 | [diff] [blame] | 3957 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3958 | // -fmodule-map-file can be used to specify files containing module |
Daniel Jasper | 9541141 | 2013-10-21 06:34:34 +0000 | [diff] [blame] | 3959 | // definitions. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3960 | Args.AddAllArgs(CmdArgs, options::OPT_fmodule_map_file); |
Daniel Jasper | 9541141 | 2013-10-21 06:34:34 +0000 | [diff] [blame] | 3961 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3962 | // -fmodule-file can be used to specify files containing precompiled modules. |
| 3963 | Args.AddAllArgs(CmdArgs, options::OPT_fmodule_file); |
| 3964 | |
| 3965 | // -fmodule-cache-path specifies where our implicitly-built module files |
| 3966 | // should be written. |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3967 | SmallString<128> ModuleCachePath; |
| 3968 | if (Arg *A = Args.getLastArg(options::OPT_fmodules_cache_path)) |
| 3969 | ModuleCachePath = A->getValue(); |
| 3970 | if (HaveModules) { |
| 3971 | if (C.isForDiagnostics()) { |
| 3972 | // When generating crash reports, we want to emit the modules along with |
| 3973 | // the reproduction sources, so we ignore any provided module path. |
| 3974 | ModuleCachePath = Output.getFilename(); |
| 3975 | llvm::sys::path::replace_extension(ModuleCachePath, ".cache"); |
| 3976 | llvm::sys::path::append(ModuleCachePath, "modules"); |
| 3977 | } else if (ModuleCachePath.empty()) { |
| 3978 | // No module path was provided: use the default. |
| 3979 | llvm::sys::path::system_temp_directory(/*erasedOnReboot=*/false, |
| 3980 | ModuleCachePath); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3981 | llvm::sys::path::append(ModuleCachePath, "org.llvm.clang."); |
| 3982 | appendUserToPath(ModuleCachePath); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3983 | llvm::sys::path::append(ModuleCachePath, "ModuleCache"); |
Douglas Gregor | 953a61f | 2013-02-07 19:01:24 +0000 | [diff] [blame] | 3984 | } |
Douglas Gregor | 250172a | 2013-02-07 22:59:12 +0000 | [diff] [blame] | 3985 | const char Arg[] = "-fmodules-cache-path="; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3986 | ModuleCachePath.insert(ModuleCachePath.begin(), Arg, Arg + strlen(Arg)); |
| 3987 | CmdArgs.push_back(Args.MakeArgString(ModuleCachePath)); |
Douglas Gregor | 953a61f | 2013-02-07 19:01:24 +0000 | [diff] [blame] | 3988 | } |
| 3989 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3990 | // When building modules and generating crashdumps, we need to dump a module |
| 3991 | // dependency VFS alongside the output. |
| 3992 | if (HaveModules && C.isForDiagnostics()) { |
| 3993 | SmallString<128> VFSDir(Output.getFilename()); |
| 3994 | llvm::sys::path::replace_extension(VFSDir, ".cache"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3995 | // Add the cache directory as a temp so the crash diagnostics pick it up. |
| 3996 | C.addTempFile(Args.MakeArgString(VFSDir)); |
| 3997 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3998 | llvm::sys::path::append(VFSDir, "vfs"); |
| 3999 | CmdArgs.push_back("-module-dependency-dir"); |
| 4000 | CmdArgs.push_back(Args.MakeArgString(VFSDir)); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4001 | } |
| 4002 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4003 | if (HaveModules) |
| 4004 | Args.AddLastArg(CmdArgs, options::OPT_fmodules_user_build_path); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4005 | |
Douglas Gregor | 953a61f | 2013-02-07 19:01:24 +0000 | [diff] [blame] | 4006 | // Pass through all -fmodules-ignore-macro arguments. |
| 4007 | Args.AddAllArgs(CmdArgs, options::OPT_fmodules_ignore_macro); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 4008 | Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_interval); |
| 4009 | Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_after); |
Douglas Gregor | 953a61f | 2013-02-07 19:01:24 +0000 | [diff] [blame] | 4010 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4011 | Args.AddLastArg(CmdArgs, options::OPT_fbuild_session_timestamp); |
| 4012 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4013 | if (Arg *A = Args.getLastArg(options::OPT_fbuild_session_file)) { |
| 4014 | if (Args.hasArg(options::OPT_fbuild_session_timestamp)) |
| 4015 | D.Diag(diag::err_drv_argument_not_allowed_with) |
| 4016 | << A->getAsString(Args) << "-fbuild-session-timestamp"; |
| 4017 | |
| 4018 | llvm::sys::fs::file_status Status; |
| 4019 | if (llvm::sys::fs::status(A->getValue(), Status)) |
| 4020 | D.Diag(diag::err_drv_no_such_file) << A->getValue(); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4021 | CmdArgs.push_back(Args.MakeArgString( |
| 4022 | "-fbuild-session-timestamp=" + |
| 4023 | Twine((uint64_t)Status.getLastModificationTime().toEpochTime()))); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4024 | } |
| 4025 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4026 | if (Args.getLastArg(options::OPT_fmodules_validate_once_per_build_session)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4027 | if (!Args.getLastArg(options::OPT_fbuild_session_timestamp, |
| 4028 | options::OPT_fbuild_session_file)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4029 | D.Diag(diag::err_drv_modules_validate_once_requires_timestamp); |
| 4030 | |
| 4031 | Args.AddLastArg(CmdArgs, |
| 4032 | options::OPT_fmodules_validate_once_per_build_session); |
| 4033 | } |
| 4034 | |
| 4035 | Args.AddLastArg(CmdArgs, options::OPT_fmodules_validate_system_headers); |
| 4036 | |
John McCall | 32579cf | 2010-04-09 19:12:06 +0000 | [diff] [blame] | 4037 | // -faccess-control is default. |
John McCall | 7002f4c | 2010-04-09 19:03:51 +0000 | [diff] [blame] | 4038 | if (Args.hasFlag(options::OPT_fno_access_control, |
| 4039 | options::OPT_faccess_control, |
John McCall | 32579cf | 2010-04-09 19:12:06 +0000 | [diff] [blame] | 4040 | false)) |
John McCall | 7002f4c | 2010-04-09 19:03:51 +0000 | [diff] [blame] | 4041 | CmdArgs.push_back("-fno-access-control"); |
John McCall | 3ddd6e0 | 2010-03-17 01:32:13 +0000 | [diff] [blame] | 4042 | |
Anders Carlsson | a4c2475 | 2010-11-21 00:09:52 +0000 | [diff] [blame] | 4043 | // -felide-constructors is the default. |
| 4044 | if (Args.hasFlag(options::OPT_fno_elide_constructors, |
| 4045 | options::OPT_felide_constructors, |
| 4046 | false)) |
| 4047 | CmdArgs.push_back("-fno-elide-constructors"); |
| 4048 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4049 | ToolChain::RTTIMode RTTIMode = getToolChain().getRTTIMode(); |
Mike Stump | 738f8c2 | 2009-07-31 23:15:31 +0000 | [diff] [blame] | 4050 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4051 | if (KernelOrKext || (types::isCXX(InputType) && |
| 4052 | (RTTIMode == ToolChain::RM_DisabledExplicitly || |
| 4053 | RTTIMode == ToolChain::RM_DisabledImplicitly))) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4054 | CmdArgs.push_back("-fno-rtti"); |
Richard Smith | c4dabad | 2012-11-05 22:04:41 +0000 | [diff] [blame] | 4055 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 4056 | // -fshort-enums=0 is default for all architectures except Hexagon. |
Argyrios Kyrtzidis | 9a2b9d7 | 2010-10-08 00:25:19 +0000 | [diff] [blame] | 4057 | if (Args.hasFlag(options::OPT_fshort_enums, |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 4058 | options::OPT_fno_short_enums, |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 4059 | getToolChain().getArch() == |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 4060 | llvm::Triple::hexagon)) |
Argyrios Kyrtzidis | 9a2b9d7 | 2010-10-08 00:25:19 +0000 | [diff] [blame] | 4061 | CmdArgs.push_back("-fshort-enums"); |
| 4062 | |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 4063 | // -fsigned-char is default. |
Daniel Dunbar | 6d2eb4d | 2009-11-25 10:14:30 +0000 | [diff] [blame] | 4064 | if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char, |
Daniel Dunbar | 1f95e65 | 2009-11-17 06:37:03 +0000 | [diff] [blame] | 4065 | isSignedCharDefault(getToolChain().getTriple()))) |
Daniel Dunbar | 7674352 | 2009-11-29 02:39:08 +0000 | [diff] [blame] | 4066 | CmdArgs.push_back("-fno-signed-char"); |
Eli Friedman | 5a77973 | 2009-06-05 07:21:14 +0000 | [diff] [blame] | 4067 | |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 4068 | // -fuse-cxa-atexit is default. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4069 | if (!Args.hasFlag(options::OPT_fuse_cxa_atexit, |
| 4070 | options::OPT_fno_use_cxa_atexit, |
| 4071 | !IsWindowsCygnus && !IsWindowsGNU && |
| 4072 | getToolChain().getArch() != llvm::Triple::hexagon && |
| 4073 | getToolChain().getArch() != llvm::Triple::xcore) || |
Chad Rosier | afc4baa | 2012-03-26 22:04:46 +0000 | [diff] [blame] | 4074 | KernelOrKext) |
Daniel Dunbar | efb0fa9 | 2010-03-20 04:15:41 +0000 | [diff] [blame] | 4075 | CmdArgs.push_back("-fno-use-cxa-atexit"); |
| 4076 | |
Daniel Dunbar | 0be42c4 | 2009-11-17 07:06:20 +0000 | [diff] [blame] | 4077 | // -fms-extensions=0 is default. |
Daniel Dunbar | 6d2eb4d | 2009-11-25 10:14:30 +0000 | [diff] [blame] | 4078 | if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4079 | IsWindowsMSVC)) |
Daniel Dunbar | 0be42c4 | 2009-11-17 07:06:20 +0000 | [diff] [blame] | 4080 | CmdArgs.push_back("-fms-extensions"); |
| 4081 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4082 | // -fno-use-line-directives is default. |
| 4083 | if (Args.hasFlag(options::OPT_fuse_line_directives, |
| 4084 | options::OPT_fno_use_line_directives, false)) |
| 4085 | CmdArgs.push_back("-fuse-line-directives"); |
| 4086 | |
Francois Pichet | ae55608 | 2011-09-17 04:32:15 +0000 | [diff] [blame] | 4087 | // -fms-compatibility=0 is default. |
Douglas Gregor | ba97b6e | 2011-10-24 15:49:38 +0000 | [diff] [blame] | 4088 | if (Args.hasFlag(options::OPT_fms_compatibility, |
| 4089 | options::OPT_fno_ms_compatibility, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4090 | (IsWindowsMSVC && Args.hasFlag(options::OPT_fms_extensions, |
| 4091 | options::OPT_fno_ms_extensions, |
| 4092 | true)))) |
Francois Pichet | ae55608 | 2011-09-17 04:32:15 +0000 | [diff] [blame] | 4093 | CmdArgs.push_back("-fms-compatibility"); |
| 4094 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4095 | // -fms-compatibility-version=18.00 is default. |
| 4096 | VersionTuple MSVT; |
Michael J. Spencer | dae4ac4 | 2010-10-21 05:21:48 +0000 | [diff] [blame] | 4097 | if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4098 | IsWindowsMSVC) || |
| 4099 | Args.hasArg(options::OPT_fmsc_version) || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4100 | Args.hasArg(options::OPT_fms_compatibility_version)) { |
| 4101 | const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version); |
| 4102 | const Arg *MSCompatibilityVersion = |
| 4103 | Args.getLastArg(options::OPT_fms_compatibility_version); |
Michael J. Spencer | dae4ac4 | 2010-10-21 05:21:48 +0000 | [diff] [blame] | 4104 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4105 | if (MSCVersion && MSCompatibilityVersion) |
| 4106 | D.Diag(diag::err_drv_argument_not_allowed_with) |
| 4107 | << MSCVersion->getAsString(Args) |
| 4108 | << MSCompatibilityVersion->getAsString(Args); |
| 4109 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4110 | if (MSCompatibilityVersion) { |
| 4111 | if (MSVT.tryParse(MSCompatibilityVersion->getValue())) |
| 4112 | D.Diag(diag::err_drv_invalid_value) |
| 4113 | << MSCompatibilityVersion->getAsString(Args) |
| 4114 | << MSCompatibilityVersion->getValue(); |
| 4115 | } else if (MSCVersion) { |
| 4116 | unsigned Version = 0; |
| 4117 | if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) |
| 4118 | D.Diag(diag::err_drv_invalid_value) << MSCVersion->getAsString(Args) |
| 4119 | << MSCVersion->getValue(); |
| 4120 | MSVT = getMSCompatibilityVersion(Version); |
| 4121 | } else { |
| 4122 | MSVT = VersionTuple(18); |
| 4123 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4124 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4125 | CmdArgs.push_back( |
| 4126 | Args.MakeArgString("-fms-compatibility-version=" + MSVT.getAsString())); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4127 | } |
Michael J. Spencer | dae4ac4 | 2010-10-21 05:21:48 +0000 | [diff] [blame] | 4128 | |
Eric Christopher | cfc01e4 | 2013-02-18 00:38:31 +0000 | [diff] [blame] | 4129 | // -fno-borland-extensions is default. |
Dawn Perchik | 400b607 | 2010-09-02 23:59:25 +0000 | [diff] [blame] | 4130 | if (Args.hasFlag(options::OPT_fborland_extensions, |
| 4131 | options::OPT_fno_borland_extensions, false)) |
| 4132 | CmdArgs.push_back("-fborland-extensions"); |
| 4133 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4134 | // -fthreadsafe-static is default, except for MSVC compatibility versions less |
| 4135 | // than 19. |
| 4136 | if (!Args.hasFlag(options::OPT_fthreadsafe_statics, |
| 4137 | options::OPT_fno_threadsafe_statics, |
| 4138 | !IsWindowsMSVC || MSVT.getMajor() >= 19)) |
| 4139 | CmdArgs.push_back("-fno-threadsafe-statics"); |
| 4140 | |
Francois Pichet | 8efcc01 | 2011-09-01 16:38:08 +0000 | [diff] [blame] | 4141 | // -fno-delayed-template-parsing is default, except for Windows where MSVC STL |
| 4142 | // needs it. |
Francois Pichet | 8387e2a | 2011-04-22 22:18:13 +0000 | [diff] [blame] | 4143 | if (Args.hasFlag(options::OPT_fdelayed_template_parsing, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4144 | options::OPT_fno_delayed_template_parsing, IsWindowsMSVC)) |
Francois Pichet | 805bc1f | 2011-08-26 00:22:34 +0000 | [diff] [blame] | 4145 | CmdArgs.push_back("-fdelayed-template-parsing"); |
Francois Pichet | 8387e2a | 2011-04-22 22:18:13 +0000 | [diff] [blame] | 4146 | |
Chandler Carruth | eb5d7b7 | 2010-04-17 20:17:31 +0000 | [diff] [blame] | 4147 | // -fgnu-keywords default varies depending on language; only pass if |
| 4148 | // specified. |
| 4149 | if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords, |
Daniel Dunbar | 40788d9 | 2010-04-24 17:56:39 +0000 | [diff] [blame] | 4150 | options::OPT_fno_gnu_keywords)) |
| 4151 | A->render(Args, CmdArgs); |
Chandler Carruth | eb5d7b7 | 2010-04-17 20:17:31 +0000 | [diff] [blame] | 4152 | |
Rafael Espindola | 01ba854 | 2011-06-02 17:30:53 +0000 | [diff] [blame] | 4153 | if (Args.hasFlag(options::OPT_fgnu89_inline, |
| 4154 | options::OPT_fno_gnu89_inline, |
| 4155 | false)) |
Rafael Espindola | fb3f4aa | 2011-06-02 16:13:27 +0000 | [diff] [blame] | 4156 | CmdArgs.push_back("-fgnu89-inline"); |
| 4157 | |
Chad Rosier | fc055f9 | 2012-03-15 22:31:42 +0000 | [diff] [blame] | 4158 | if (Args.hasArg(options::OPT_fno_inline)) |
| 4159 | CmdArgs.push_back("-fno-inline"); |
| 4160 | |
Chad Rosier | 634a4b1 | 2012-03-06 21:17:19 +0000 | [diff] [blame] | 4161 | if (Args.hasArg(options::OPT_fno_inline_functions)) |
| 4162 | CmdArgs.push_back("-fno-inline-functions"); |
Chad Rosier | 250008b | 2012-03-06 18:49:20 +0000 | [diff] [blame] | 4163 | |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4164 | ObjCRuntime objcRuntime = AddObjCRuntimeArgs(Args, CmdArgs, rewriteKind); |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4165 | |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4166 | // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4167 | // legacy is the default. Except for deployment taget of 10.5, |
| 4168 | // next runtime is always legacy dispatch and -fno-objc-legacy-dispatch |
| 4169 | // gets ignored silently. |
| 4170 | if (objcRuntime.isNonFragile()) { |
David Chisnall | 3c3ccd2 | 2011-09-30 13:32:35 +0000 | [diff] [blame] | 4171 | if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch, |
| 4172 | options::OPT_fno_objc_legacy_dispatch, |
David Chisnall | 2c7886d | 2012-07-04 11:52:24 +0000 | [diff] [blame] | 4173 | objcRuntime.isLegacyDispatchDefaultForArch( |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 4174 | getToolChain().getArch()))) { |
David Chisnall | 3c3ccd2 | 2011-09-30 13:32:35 +0000 | [diff] [blame] | 4175 | if (getToolChain().UseObjCMixedDispatch()) |
| 4176 | CmdArgs.push_back("-fobjc-dispatch-method=mixed"); |
| 4177 | else |
| 4178 | CmdArgs.push_back("-fobjc-dispatch-method=non-legacy"); |
| 4179 | } |
| 4180 | } |
Rafael Espindola | 669496b | 2013-11-12 04:33:56 +0000 | [diff] [blame] | 4181 | |
Fariborz Jahanian | 5d5058c | 2013-11-12 17:08:46 +0000 | [diff] [blame] | 4182 | // When ObjectiveC legacy runtime is in effect on MacOSX, |
| 4183 | // turn on the option to do Array/Dictionary subscripting |
| 4184 | // by default. |
Fariborz Jahanian | 08d86e9 | 2013-11-12 20:50:26 +0000 | [diff] [blame] | 4185 | if (getToolChain().getTriple().getArch() == llvm::Triple::x86 && |
| 4186 | getToolChain().getTriple().isMacOSX() && |
| 4187 | !getToolChain().getTriple().isMacOSXVersionLT(10, 7) && |
| 4188 | objcRuntime.getKind() == ObjCRuntime::FragileMacOSX && |
Fariborz Jahanian | 5d5058c | 2013-11-12 17:08:46 +0000 | [diff] [blame] | 4189 | objcRuntime.isNeXTFamily()) |
| 4190 | CmdArgs.push_back("-fobjc-subscripting-legacy-runtime"); |
| 4191 | |
Fariborz Jahanian | 3d145f6 | 2012-11-15 19:02:45 +0000 | [diff] [blame] | 4192 | // -fencode-extended-block-signature=1 is default. |
| 4193 | if (getToolChain().IsEncodeExtendedBlockSignatureDefault()) { |
| 4194 | CmdArgs.push_back("-fencode-extended-block-signature"); |
| 4195 | } |
| 4196 | |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4197 | // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc. |
| 4198 | // NOTE: This logic is duplicated in ToolChains.cpp. |
| 4199 | bool ARC = isObjCAutoRefCount(Args); |
| 4200 | if (ARC) { |
John McCall | 0a7dd78 | 2012-08-21 02:47:43 +0000 | [diff] [blame] | 4201 | getToolChain().CheckObjCARC(); |
Argyrios Kyrtzidis | 5840dd9 | 2012-02-29 03:43:52 +0000 | [diff] [blame] | 4202 | |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4203 | CmdArgs.push_back("-fobjc-arc"); |
| 4204 | |
Chandler Carruth | 7ffa032 | 2011-11-04 07:34:47 +0000 | [diff] [blame] | 4205 | // FIXME: It seems like this entire block, and several around it should be |
| 4206 | // wrapped in isObjC, but for now we just use it here as this is where it |
| 4207 | // was being used previously. |
| 4208 | if (types::isCXX(InputType) && types::isObjC(InputType)) { |
| 4209 | if (getToolChain().GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) |
| 4210 | CmdArgs.push_back("-fobjc-arc-cxxlib=libc++"); |
| 4211 | else |
| 4212 | CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++"); |
| 4213 | } |
| 4214 | |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4215 | // Allow the user to enable full exceptions code emission. |
| 4216 | // We define off for Objective-CC, on for Objective-C++. |
| 4217 | if (Args.hasFlag(options::OPT_fobjc_arc_exceptions, |
| 4218 | options::OPT_fno_objc_arc_exceptions, |
| 4219 | /*default*/ types::isCXX(InputType))) |
| 4220 | CmdArgs.push_back("-fobjc-arc-exceptions"); |
| 4221 | } |
| 4222 | |
| 4223 | // -fobjc-infer-related-result-type is the default, except in the Objective-C |
| 4224 | // rewriter. |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4225 | if (rewriteKind != RK_None) |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4226 | CmdArgs.push_back("-fno-objc-infer-related-result-type"); |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 4227 | |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4228 | // Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only |
| 4229 | // takes precedence. |
| 4230 | const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only); |
| 4231 | if (!GCArg) |
| 4232 | GCArg = Args.getLastArg(options::OPT_fobjc_gc); |
| 4233 | if (GCArg) { |
| 4234 | if (ARC) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4235 | D.Diag(diag::err_drv_objc_gc_arr) |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4236 | << GCArg->getAsString(Args); |
| 4237 | } else if (getToolChain().SupportsObjCGC()) { |
| 4238 | GCArg->render(Args, CmdArgs); |
| 4239 | } else { |
| 4240 | // FIXME: We should move this to a hard error. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4241 | D.Diag(diag::warn_drv_objc_gc_unsupported) |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 4242 | << GCArg->getAsString(Args); |
| 4243 | } |
| 4244 | } |
| 4245 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4246 | if (Args.hasFlag(options::OPT_fapplication_extension, |
| 4247 | options::OPT_fno_application_extension, false)) |
| 4248 | CmdArgs.push_back("-fapplication-extension"); |
| 4249 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4250 | // Handle GCC-style exception args. |
| 4251 | if (!C.getDriver().IsCLMode()) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4252 | addExceptionArgs(Args, InputType, getToolChain(), KernelOrKext, |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4253 | objcRuntime, CmdArgs); |
John McCall | d71315c | 2011-06-22 00:53:57 +0000 | [diff] [blame] | 4254 | |
| 4255 | if (getToolChain().UseSjLjExceptions()) |
| 4256 | CmdArgs.push_back("-fsjlj-exceptions"); |
| 4257 | |
| 4258 | // C++ "sane" operator new. |
Daniel Dunbar | 984eb86 | 2010-02-01 21:07:25 +0000 | [diff] [blame] | 4259 | if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, |
| 4260 | options::OPT_fno_assume_sane_operator_new)) |
| 4261 | CmdArgs.push_back("-fno-assume-sane-operator-new"); |
| 4262 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4263 | // -fsized-deallocation is off by default, as it is an ABI-breaking change for |
| 4264 | // most platforms. |
| 4265 | if (Args.hasFlag(options::OPT_fsized_deallocation, |
| 4266 | options::OPT_fno_sized_deallocation, false)) |
| 4267 | CmdArgs.push_back("-fsized-deallocation"); |
| 4268 | |
Daniel Dunbar | f35f14d | 2010-04-27 15:34:57 +0000 | [diff] [blame] | 4269 | // -fconstant-cfstrings is default, and may be subject to argument translation |
| 4270 | // on Darwin. |
| 4271 | if (!Args.hasFlag(options::OPT_fconstant_cfstrings, |
| 4272 | options::OPT_fno_constant_cfstrings) || |
| 4273 | !Args.hasFlag(options::OPT_mconstant_cfstrings, |
| 4274 | options::OPT_mno_constant_cfstrings)) |
| 4275 | CmdArgs.push_back("-fno-constant-cfstrings"); |
| 4276 | |
John Thompson | a6fda12 | 2009-11-05 20:14:16 +0000 | [diff] [blame] | 4277 | // -fshort-wchar default varies depending on platform; only |
| 4278 | // pass if specified. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4279 | if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar, |
| 4280 | options::OPT_fno_short_wchar)) |
Daniel Dunbar | 1744a35 | 2010-04-27 15:35:03 +0000 | [diff] [blame] | 4281 | A->render(Args, CmdArgs); |
John Thompson | a6fda12 | 2009-11-05 20:14:16 +0000 | [diff] [blame] | 4282 | |
Hans Wennborg | b087a5d | 2013-07-31 23:39:13 +0000 | [diff] [blame] | 4283 | // -fno-pascal-strings is default, only pass non-default. |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 4284 | if (Args.hasFlag(options::OPT_fpascal_strings, |
Daniel Dunbar | 82d0068 | 2009-04-07 23:51:44 +0000 | [diff] [blame] | 4285 | options::OPT_fno_pascal_strings, |
Daniel Dunbar | 82d0068 | 2009-04-07 23:51:44 +0000 | [diff] [blame] | 4286 | false)) |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 4287 | CmdArgs.push_back("-fpascal-strings"); |
NAKAMURA Takumi | 125b4cb | 2011-02-17 08:50:50 +0000 | [diff] [blame] | 4288 | |
Daniel Dunbar | 88934e8 | 2011-10-05 21:04:55 +0000 | [diff] [blame] | 4289 | // Honor -fpack-struct= and -fpack-struct, if given. Note that |
| 4290 | // -fno-pack-struct doesn't apply to -fpack-struct=. |
| 4291 | if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) { |
James Molloy | 8049c44 | 2012-05-02 07:56:14 +0000 | [diff] [blame] | 4292 | std::string PackStructStr = "-fpack-struct="; |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4293 | PackStructStr += A->getValue(); |
James Molloy | 8049c44 | 2012-05-02 07:56:14 +0000 | [diff] [blame] | 4294 | CmdArgs.push_back(Args.MakeArgString(PackStructStr)); |
Daniel Dunbar | 88934e8 | 2011-10-05 21:04:55 +0000 | [diff] [blame] | 4295 | } else if (Args.hasFlag(options::OPT_fpack_struct, |
| 4296 | options::OPT_fno_pack_struct, false)) { |
James Molloy | 8049c44 | 2012-05-02 07:56:14 +0000 | [diff] [blame] | 4297 | CmdArgs.push_back("-fpack-struct=1"); |
Daniel Dunbar | 88934e8 | 2011-10-05 21:04:55 +0000 | [diff] [blame] | 4298 | } |
| 4299 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4300 | // Handle -fmax-type-align=N and -fno-type-align |
| 4301 | bool SkipMaxTypeAlign = Args.hasArg(options::OPT_fno_max_type_align); |
| 4302 | if (Arg *A = Args.getLastArg(options::OPT_fmax_type_align_EQ)) { |
| 4303 | if (!SkipMaxTypeAlign) { |
| 4304 | std::string MaxTypeAlignStr = "-fmax-type-align="; |
| 4305 | MaxTypeAlignStr += A->getValue(); |
| 4306 | CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); |
| 4307 | } |
| 4308 | } else if (getToolChain().getTriple().isOSDarwin()) { |
| 4309 | if (!SkipMaxTypeAlign) { |
| 4310 | std::string MaxTypeAlignStr = "-fmax-type-align=16"; |
| 4311 | CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); |
| 4312 | } |
| 4313 | } |
| 4314 | |
Robert Lytton | 5f15f4d | 2013-08-13 09:43:10 +0000 | [diff] [blame] | 4315 | if (KernelOrKext || isNoCommonDefault(getToolChain().getTriple())) { |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 4316 | if (!Args.hasArg(options::OPT_fcommon)) |
| 4317 | CmdArgs.push_back("-fno-common"); |
Chad Rosier | ec09b3e | 2012-03-26 21:35:40 +0000 | [diff] [blame] | 4318 | Args.ClaimAllArgs(options::OPT_fno_common); |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 4319 | } |
Daniel Dunbar | 88934e8 | 2011-10-05 21:04:55 +0000 | [diff] [blame] | 4320 | |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 4321 | // -fcommon is default, only pass non-default. |
Fariborz Jahanian | b466d01 | 2011-01-07 01:05:02 +0000 | [diff] [blame] | 4322 | else if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common)) |
Daniel Dunbar | 48d1ef7 | 2009-04-07 21:16:11 +0000 | [diff] [blame] | 4323 | CmdArgs.push_back("-fno-common"); |
| 4324 | |
Daniel Dunbar | 70d3c92 | 2009-04-15 02:37:43 +0000 | [diff] [blame] | 4325 | // -fsigned-bitfields is default, and clang doesn't yet support |
Daniel Dunbar | 06205ca | 2010-10-15 22:30:42 +0000 | [diff] [blame] | 4326 | // -funsigned-bitfields. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4327 | if (!Args.hasFlag(options::OPT_fsigned_bitfields, |
Daniel Dunbar | 70d3c92 | 2009-04-15 02:37:43 +0000 | [diff] [blame] | 4328 | options::OPT_funsigned_bitfields)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4329 | D.Diag(diag::warn_drv_clang_unsupported) |
Daniel Dunbar | 70d3c92 | 2009-04-15 02:37:43 +0000 | [diff] [blame] | 4330 | << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); |
| 4331 | |
Daniel Dunbar | 06205ca | 2010-10-15 22:30:42 +0000 | [diff] [blame] | 4332 | // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope. |
| 4333 | if (!Args.hasFlag(options::OPT_ffor_scope, |
| 4334 | options::OPT_fno_for_scope)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4335 | D.Diag(diag::err_drv_clang_unsupported) |
Daniel Dunbar | 06205ca | 2010-10-15 22:30:42 +0000 | [diff] [blame] | 4336 | << Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args); |
| 4337 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4338 | // -finput_charset=UTF-8 is default. Reject others |
| 4339 | if (Arg *inputCharset = Args.getLastArg( |
| 4340 | options::OPT_finput_charset_EQ)) { |
| 4341 | StringRef value = inputCharset->getValue(); |
| 4342 | if (value != "UTF-8") |
| 4343 | D.Diag(diag::err_drv_invalid_value) << inputCharset->getAsString(Args) << value; |
| 4344 | } |
| 4345 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4346 | // -fexec_charset=UTF-8 is default. Reject others |
| 4347 | if (Arg *execCharset = Args.getLastArg( |
| 4348 | options::OPT_fexec_charset_EQ)) { |
| 4349 | StringRef value = execCharset->getValue(); |
| 4350 | if (value != "UTF-8") |
| 4351 | D.Diag(diag::err_drv_invalid_value) << execCharset->getAsString(Args) << value; |
| 4352 | } |
| 4353 | |
Jeffrey Yasskin | 0ea22fd | 2010-06-08 04:56:20 +0000 | [diff] [blame] | 4354 | // -fcaret-diagnostics is default. |
| 4355 | if (!Args.hasFlag(options::OPT_fcaret_diagnostics, |
| 4356 | options::OPT_fno_caret_diagnostics, true)) |
| 4357 | CmdArgs.push_back("-fno-caret-diagnostics"); |
| 4358 | |
Daniel Dunbar | 49138fc | 2009-04-19 21:09:34 +0000 | [diff] [blame] | 4359 | // -fdiagnostics-fixit-info is default, only pass non-default. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4360 | if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, |
Daniel Dunbar | 49138fc | 2009-04-19 21:09:34 +0000 | [diff] [blame] | 4361 | options::OPT_fno_diagnostics_fixit_info)) |
| 4362 | CmdArgs.push_back("-fno-diagnostics-fixit-info"); |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 4363 | |
Daniel Dunbar | 9e820ee | 2009-04-16 06:32:38 +0000 | [diff] [blame] | 4364 | // Enable -fdiagnostics-show-option by default. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4365 | if (Args.hasFlag(options::OPT_fdiagnostics_show_option, |
Daniel Dunbar | 9e820ee | 2009-04-16 06:32:38 +0000 | [diff] [blame] | 4366 | options::OPT_fno_diagnostics_show_option)) |
| 4367 | CmdArgs.push_back("-fdiagnostics-show-option"); |
Daniel Dunbar | 838be48 | 2009-11-04 06:24:57 +0000 | [diff] [blame] | 4368 | |
Chris Lattner | 6fbe839 | 2010-05-04 21:55:25 +0000 | [diff] [blame] | 4369 | if (const Arg *A = |
| 4370 | Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) { |
| 4371 | CmdArgs.push_back("-fdiagnostics-show-category"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4372 | CmdArgs.push_back(A->getValue()); |
Chris Lattner | 6fbe839 | 2010-05-04 21:55:25 +0000 | [diff] [blame] | 4373 | } |
Daniel Dunbar | ca0e054 | 2010-08-24 16:47:49 +0000 | [diff] [blame] | 4374 | |
Douglas Gregor | c9471b0 | 2011-05-21 17:07:29 +0000 | [diff] [blame] | 4375 | if (const Arg *A = |
| 4376 | Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) { |
| 4377 | CmdArgs.push_back("-fdiagnostics-format"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4378 | CmdArgs.push_back(A->getValue()); |
Douglas Gregor | c9471b0 | 2011-05-21 17:07:29 +0000 | [diff] [blame] | 4379 | } |
| 4380 | |
Chandler Carruth | abaca7a | 2011-03-27 01:50:55 +0000 | [diff] [blame] | 4381 | if (Arg *A = Args.getLastArg( |
| 4382 | options::OPT_fdiagnostics_show_note_include_stack, |
| 4383 | options::OPT_fno_diagnostics_show_note_include_stack)) { |
| 4384 | if (A->getOption().matches( |
| 4385 | options::OPT_fdiagnostics_show_note_include_stack)) |
| 4386 | CmdArgs.push_back("-fdiagnostics-show-note-include-stack"); |
| 4387 | else |
| 4388 | CmdArgs.push_back("-fno-diagnostics-show-note-include-stack"); |
| 4389 | } |
| 4390 | |
Daniel Dunbar | 838be48 | 2009-11-04 06:24:57 +0000 | [diff] [blame] | 4391 | // Color diagnostics are the default, unless the terminal doesn't support |
| 4392 | // them. |
Nico Weber | 9753d46 | 2013-04-17 21:52:44 +0000 | [diff] [blame] | 4393 | // Support both clang's -f[no-]color-diagnostics and gcc's |
| 4394 | // -f[no-]diagnostics-colors[=never|always|auto]. |
| 4395 | enum { Colors_On, Colors_Off, Colors_Auto } ShowColors = Colors_Auto; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4396 | for (const auto &Arg : Args) { |
| 4397 | const Option &O = Arg->getOption(); |
Nico Weber | 9753d46 | 2013-04-17 21:52:44 +0000 | [diff] [blame] | 4398 | if (!O.matches(options::OPT_fcolor_diagnostics) && |
| 4399 | !O.matches(options::OPT_fdiagnostics_color) && |
| 4400 | !O.matches(options::OPT_fno_color_diagnostics) && |
| 4401 | !O.matches(options::OPT_fno_diagnostics_color) && |
| 4402 | !O.matches(options::OPT_fdiagnostics_color_EQ)) |
| 4403 | continue; |
| 4404 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4405 | Arg->claim(); |
Nico Weber | 9753d46 | 2013-04-17 21:52:44 +0000 | [diff] [blame] | 4406 | if (O.matches(options::OPT_fcolor_diagnostics) || |
| 4407 | O.matches(options::OPT_fdiagnostics_color)) { |
| 4408 | ShowColors = Colors_On; |
| 4409 | } else if (O.matches(options::OPT_fno_color_diagnostics) || |
| 4410 | O.matches(options::OPT_fno_diagnostics_color)) { |
| 4411 | ShowColors = Colors_Off; |
| 4412 | } else { |
| 4413 | assert(O.matches(options::OPT_fdiagnostics_color_EQ)); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4414 | StringRef value(Arg->getValue()); |
Nico Weber | 9753d46 | 2013-04-17 21:52:44 +0000 | [diff] [blame] | 4415 | if (value == "always") |
| 4416 | ShowColors = Colors_On; |
| 4417 | else if (value == "never") |
| 4418 | ShowColors = Colors_Off; |
| 4419 | else if (value == "auto") |
| 4420 | ShowColors = Colors_Auto; |
| 4421 | else |
| 4422 | getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported) |
| 4423 | << ("-fdiagnostics-color=" + value).str(); |
| 4424 | } |
| 4425 | } |
| 4426 | if (ShowColors == Colors_On || |
| 4427 | (ShowColors == Colors_Auto && llvm::sys::Process::StandardErrHasColors())) |
Daniel Dunbar | 838be48 | 2009-11-04 06:24:57 +0000 | [diff] [blame] | 4428 | CmdArgs.push_back("-fcolor-diagnostics"); |
| 4429 | |
Nico Rieck | 2956ef4 | 2013-09-11 00:38:02 +0000 | [diff] [blame] | 4430 | if (Args.hasArg(options::OPT_fansi_escape_codes)) |
| 4431 | CmdArgs.push_back("-fansi-escape-codes"); |
| 4432 | |
Daniel Dunbar | 75eb1d6 | 2009-06-08 21:13:54 +0000 | [diff] [blame] | 4433 | if (!Args.hasFlag(options::OPT_fshow_source_location, |
| 4434 | options::OPT_fno_show_source_location)) |
| 4435 | CmdArgs.push_back("-fno-show-source-location"); |
Daniel Dunbar | 9e820ee | 2009-04-16 06:32:38 +0000 | [diff] [blame] | 4436 | |
Douglas Gregor | c9471b0 | 2011-05-21 17:07:29 +0000 | [diff] [blame] | 4437 | if (!Args.hasFlag(options::OPT_fshow_column, |
| 4438 | options::OPT_fno_show_column, |
| 4439 | true)) |
| 4440 | CmdArgs.push_back("-fno-show-column"); |
| 4441 | |
Douglas Gregor | a0068fc | 2010-07-09 17:35:33 +0000 | [diff] [blame] | 4442 | if (!Args.hasFlag(options::OPT_fspell_checking, |
| 4443 | options::OPT_fno_spell_checking)) |
| 4444 | CmdArgs.push_back("-fno-spell-checking"); |
Daniel Dunbar | ca0e054 | 2010-08-24 16:47:49 +0000 | [diff] [blame] | 4445 | |
Daniel Dunbar | 25b26eb | 2010-10-18 22:49:46 +0000 | [diff] [blame] | 4446 | |
Chad Rosier | 15490fd | 2012-12-05 21:08:21 +0000 | [diff] [blame] | 4447 | // -fno-asm-blocks is default. |
| 4448 | if (Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks, |
| 4449 | false)) |
| 4450 | CmdArgs.push_back("-fasm-blocks"); |
Daniel Dunbar | 25b26eb | 2010-10-18 22:49:46 +0000 | [diff] [blame] | 4451 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4452 | // -fgnu-inline-asm is default. |
| 4453 | if (!Args.hasFlag(options::OPT_fgnu_inline_asm, |
| 4454 | options::OPT_fno_gnu_inline_asm, true)) |
| 4455 | CmdArgs.push_back("-fno-gnu-inline-asm"); |
| 4456 | |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 4457 | // Enable vectorization per default according to the optimization level |
| 4458 | // selected. For optimization levels that want vectorization we use the alias |
| 4459 | // option to simplify the hasFlag logic. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 4460 | bool EnableVec = shouldEnableVectorizerAtOLevel(Args, false); |
Arnold Schwaighofer | 99662a1 | 2013-08-13 15:46:23 +0000 | [diff] [blame] | 4461 | OptSpecifier VectorizeAliasOption = EnableVec ? options::OPT_O_Group : |
Chad Rosier | 3142279 | 2013-04-24 18:29:59 +0000 | [diff] [blame] | 4462 | options::OPT_fvectorize; |
Chad Rosier | 3142279 | 2013-04-24 18:29:59 +0000 | [diff] [blame] | 4463 | if (Args.hasFlag(options::OPT_fvectorize, VectorizeAliasOption, |
Hal Finkel | cf5691e | 2013-08-28 05:21:45 +0000 | [diff] [blame] | 4464 | options::OPT_fno_vectorize, EnableVec)) |
Chad Rosier | c04d093 | 2012-12-11 17:12:28 +0000 | [diff] [blame] | 4465 | CmdArgs.push_back("-vectorize-loops"); |
Chad Rosier | c04d093 | 2012-12-11 17:12:28 +0000 | [diff] [blame] | 4466 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 4467 | // -fslp-vectorize is enabled based on the optimization level selected. |
| 4468 | bool EnableSLPVec = shouldEnableVectorizerAtOLevel(Args, true); |
| 4469 | OptSpecifier SLPVectAliasOption = EnableSLPVec ? options::OPT_O_Group : |
| 4470 | options::OPT_fslp_vectorize; |
| 4471 | if (Args.hasFlag(options::OPT_fslp_vectorize, SLPVectAliasOption, |
| 4472 | options::OPT_fno_slp_vectorize, EnableSLPVec)) |
Nadav Rotem | 50ea963 | 2013-04-15 04:57:18 +0000 | [diff] [blame] | 4473 | CmdArgs.push_back("-vectorize-slp"); |
Hal Finkel | 443c999 | 2012-12-11 19:59:32 +0000 | [diff] [blame] | 4474 | |
Nadav Rotem | 3c6a9b0 | 2013-04-15 05:38:41 +0000 | [diff] [blame] | 4475 | // -fno-slp-vectorize-aggressive is default. |
| 4476 | if (Args.hasFlag(options::OPT_fslp_vectorize_aggressive, |
Nick Lewycky | fdf137b | 2013-06-25 01:49:44 +0000 | [diff] [blame] | 4477 | options::OPT_fno_slp_vectorize_aggressive, false)) |
Nadav Rotem | 3c6a9b0 | 2013-04-15 05:38:41 +0000 | [diff] [blame] | 4478 | CmdArgs.push_back("-vectorize-slp-aggressive"); |
Nadav Rotem | 3c6a9b0 | 2013-04-15 05:38:41 +0000 | [diff] [blame] | 4479 | |
Jeffrey Yasskin | 5edbdcc | 2010-06-11 05:57:47 +0000 | [diff] [blame] | 4480 | if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ)) |
| 4481 | A->render(Args, CmdArgs); |
| 4482 | |
Daniel Dunbar | 7695fba | 2009-04-19 21:20:32 +0000 | [diff] [blame] | 4483 | // -fdollars-in-identifiers default varies depending on platform and |
| 4484 | // language; only pass if specified. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4485 | if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, |
Daniel Dunbar | 7695fba | 2009-04-19 21:20:32 +0000 | [diff] [blame] | 4486 | options::OPT_fno_dollars_in_identifiers)) { |
| 4487 | if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) |
Daniel Dunbar | 8663b18 | 2009-12-16 20:10:18 +0000 | [diff] [blame] | 4488 | CmdArgs.push_back("-fdollars-in-identifiers"); |
Daniel Dunbar | 7695fba | 2009-04-19 21:20:32 +0000 | [diff] [blame] | 4489 | else |
Daniel Dunbar | 8663b18 | 2009-12-16 20:10:18 +0000 | [diff] [blame] | 4490 | CmdArgs.push_back("-fno-dollars-in-identifiers"); |
Daniel Dunbar | 7695fba | 2009-04-19 21:20:32 +0000 | [diff] [blame] | 4491 | } |
| 4492 | |
Daniel Dunbar | e027a4b | 2009-05-22 19:02:20 +0000 | [diff] [blame] | 4493 | // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for |
| 4494 | // practical purposes. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4495 | if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, |
Daniel Dunbar | e027a4b | 2009-05-22 19:02:20 +0000 | [diff] [blame] | 4496 | options::OPT_fno_unit_at_a_time)) { |
| 4497 | if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4498 | D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args); |
Daniel Dunbar | e027a4b | 2009-05-22 19:02:20 +0000 | [diff] [blame] | 4499 | } |
Eli Friedman | ceb5c5b | 2009-07-14 21:58:17 +0000 | [diff] [blame] | 4500 | |
Eli Friedman | 19bda3a | 2011-11-02 01:53:16 +0000 | [diff] [blame] | 4501 | if (Args.hasFlag(options::OPT_fapple_pragma_pack, |
| 4502 | options::OPT_fno_apple_pragma_pack, false)) |
| 4503 | CmdArgs.push_back("-fapple-pragma-pack"); |
| 4504 | |
Eli Bendersky | f3ecf89 | 2013-07-24 18:20:14 +0000 | [diff] [blame] | 4505 | // le32-specific flags: |
| 4506 | // -fno-math-builtin: clang should not convert math builtins to intrinsics |
| 4507 | // by default. |
| 4508 | if (getToolChain().getArch() == llvm::Triple::le32) { |
| 4509 | CmdArgs.push_back("-fno-math-builtin"); |
| 4510 | } |
| 4511 | |
Daniel Dunbar | 2ba9157 | 2009-09-10 03:37:02 +0000 | [diff] [blame] | 4512 | // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM. |
Daniel Dunbar | f84a4a4 | 2009-09-10 04:57:27 +0000 | [diff] [blame] | 4513 | // |
Daniel Dunbar | 8ff5b28 | 2009-12-11 23:00:49 +0000 | [diff] [blame] | 4514 | // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941. |
Daniel Dunbar | f84a4a4 | 2009-09-10 04:57:27 +0000 | [diff] [blame] | 4515 | #if 0 |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 4516 | if (getToolChain().getTriple().isOSDarwin() && |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 4517 | (getToolChain().getArch() == llvm::Triple::arm || |
| 4518 | getToolChain().getArch() == llvm::Triple::thumb)) { |
Daniel Dunbar | 2ba9157 | 2009-09-10 03:37:02 +0000 | [diff] [blame] | 4519 | if (!Args.hasArg(options::OPT_fbuiltin_strcat)) |
| 4520 | CmdArgs.push_back("-fno-builtin-strcat"); |
| 4521 | if (!Args.hasArg(options::OPT_fbuiltin_strcpy)) |
| 4522 | CmdArgs.push_back("-fno-builtin-strcpy"); |
| 4523 | } |
Daniel Dunbar | f84a4a4 | 2009-09-10 04:57:27 +0000 | [diff] [blame] | 4524 | #endif |
Daniel Dunbar | 2ba9157 | 2009-09-10 03:37:02 +0000 | [diff] [blame] | 4525 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4526 | // Enable rewrite includes if the user's asked for it or if we're generating |
| 4527 | // diagnostics. |
| 4528 | // TODO: Once -module-dependency-dir works with -frewrite-includes it'd be |
| 4529 | // nice to enable this when doing a crashdump for modules as well. |
| 4530 | if (Args.hasFlag(options::OPT_frewrite_includes, |
| 4531 | options::OPT_fno_rewrite_includes, false) || |
| 4532 | (C.isForDiagnostics() && !HaveModules)) |
| 4533 | CmdArgs.push_back("-frewrite-includes"); |
| 4534 | |
Daniel Dunbar | d98750f | 2011-03-18 21:23:40 +0000 | [diff] [blame] | 4535 | // Only allow -traditional or -traditional-cpp outside in preprocessing modes. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4536 | if (Arg *A = Args.getLastArg(options::OPT_traditional, |
Daniel Dunbar | d98750f | 2011-03-18 21:23:40 +0000 | [diff] [blame] | 4537 | options::OPT_traditional_cpp)) { |
| 4538 | if (isa<PreprocessJobAction>(JA)) |
| 4539 | CmdArgs.push_back("-traditional-cpp"); |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 4540 | else |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4541 | D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); |
Daniel Dunbar | d98750f | 2011-03-18 21:23:40 +0000 | [diff] [blame] | 4542 | } |
Eli Friedman | ceb5c5b | 2009-07-14 21:58:17 +0000 | [diff] [blame] | 4543 | |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4544 | Args.AddLastArg(CmdArgs, options::OPT_dM); |
Chris Lattner | d82df3a | 2009-04-12 01:56:53 +0000 | [diff] [blame] | 4545 | Args.AddLastArg(CmdArgs, options::OPT_dD); |
Ted Kremenek | 36f6e30 | 2011-11-11 00:07:43 +0000 | [diff] [blame] | 4546 | |
| 4547 | // Handle serialized diagnostics. |
| 4548 | if (Arg *A = Args.getLastArg(options::OPT__serialize_diags)) { |
| 4549 | CmdArgs.push_back("-serialize-diagnostic-file"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4550 | CmdArgs.push_back(Args.MakeArgString(A->getValue())); |
Ted Kremenek | 36f6e30 | 2011-11-11 00:07:43 +0000 | [diff] [blame] | 4551 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4552 | |
Ted Kremenek | 127ff2e | 2012-09-13 06:41:18 +0000 | [diff] [blame] | 4553 | if (Args.hasArg(options::OPT_fretain_comments_from_system_headers)) |
| 4554 | CmdArgs.push_back("-fretain-comments-from-system-headers"); |
| 4555 | |
Dmitri Gribenko | 6ebf091 | 2013-02-22 14:21:27 +0000 | [diff] [blame] | 4556 | // Forward -fcomment-block-commands to -cc1. |
| 4557 | Args.AddAllArgs(CmdArgs, options::OPT_fcomment_block_commands); |
Dmitri Gribenko | 6fd7d30 | 2013-04-10 15:35:17 +0000 | [diff] [blame] | 4558 | // Forward -fparse-all-comments to -cc1. |
| 4559 | Args.AddAllArgs(CmdArgs, options::OPT_fparse_all_comments); |
Dmitri Gribenko | 6ebf091 | 2013-02-22 14:21:27 +0000 | [diff] [blame] | 4560 | |
Daniel Dunbar | 3f87fb0 | 2010-04-15 06:09:03 +0000 | [diff] [blame] | 4561 | // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option |
| 4562 | // parser. |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4563 | Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4564 | bool OptDisabled = false; |
Daniel Dunbar | 3f87fb0 | 2010-04-15 06:09:03 +0000 | [diff] [blame] | 4565 | for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm), |
| 4566 | ie = Args.filtered_end(); it != ie; ++it) { |
Daniel Dunbar | 7e4953e | 2010-06-11 22:00:13 +0000 | [diff] [blame] | 4567 | (*it)->claim(); |
Daniel Dunbar | fb36d21 | 2010-04-17 06:10:00 +0000 | [diff] [blame] | 4568 | |
Daniel Dunbar | 3f87fb0 | 2010-04-15 06:09:03 +0000 | [diff] [blame] | 4569 | // We translate this by hand to the -cc1 argument, since nightly test uses |
| 4570 | // it and developers have been trained to spell it with -mllvm. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4571 | if (StringRef((*it)->getValue(0)) == "-disable-llvm-optzns") { |
Daniel Dunbar | 3f87fb0 | 2010-04-15 06:09:03 +0000 | [diff] [blame] | 4572 | CmdArgs.push_back("-disable-llvm-optzns"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4573 | OptDisabled = true; |
| 4574 | } else |
Daniel Dunbar | 7e4953e | 2010-06-11 22:00:13 +0000 | [diff] [blame] | 4575 | (*it)->render(Args, CmdArgs); |
Daniel Dunbar | 3f87fb0 | 2010-04-15 06:09:03 +0000 | [diff] [blame] | 4576 | } |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4577 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4578 | // With -save-temps, we want to save the unoptimized bitcode output from the |
| 4579 | // CompileJobAction, so disable optimizations if they are not already |
| 4580 | // disabled. |
| 4581 | if (C.getDriver().isSaveTempsEnabled() && !OptDisabled && |
| 4582 | isa<CompileJobAction>(JA)) |
| 4583 | CmdArgs.push_back("-disable-llvm-optzns"); |
| 4584 | |
Daniel Dunbar | cd8e4c4 | 2009-03-30 06:36:42 +0000 | [diff] [blame] | 4585 | if (Output.getType() == types::TY_Dependencies) { |
| 4586 | // Handled with other dependency code. |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 4587 | } else if (Output.isFilename()) { |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 4588 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 4589 | CmdArgs.push_back(Output.getFilename()); |
| 4590 | } else { |
| 4591 | assert(Output.isNothing() && "Invalid output."); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 4592 | } |
| 4593 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4594 | for (const auto &II : Inputs) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4595 | addDashXForInput(Args, II, CmdArgs); |
| 4596 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 4597 | if (II.isFilename()) |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 4598 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4599 | else |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 4600 | II.getInputArg().renderAsInput(Args, CmdArgs); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 4601 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 4602 | |
Chris Lattner | e6113de | 2009-11-03 19:50:27 +0000 | [diff] [blame] | 4603 | Args.AddAllArgs(CmdArgs, options::OPT_undef); |
| 4604 | |
Daniel Dunbar | a001c1c | 2010-07-18 21:16:15 +0000 | [diff] [blame] | 4605 | const char *Exec = getToolChain().getDriver().getClangProgramPath(); |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 4606 | |
| 4607 | // Optionally embed the -cc1 level arguments into the debug info, for build |
| 4608 | // analysis. |
| 4609 | if (getToolChain().UseDwarfDebugFlags()) { |
Daniel Dunbar | 6e90047 | 2010-06-04 18:47:06 +0000 | [diff] [blame] | 4610 | ArgStringList OriginalArgs; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4611 | for (const auto &Arg : Args) |
| 4612 | Arg->render(Args, OriginalArgs); |
Daniel Dunbar | ca0e054 | 2010-08-24 16:47:49 +0000 | [diff] [blame] | 4613 | |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 4614 | SmallString<256> Flags; |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 4615 | Flags += Exec; |
Daniel Dunbar | 6e90047 | 2010-06-04 18:47:06 +0000 | [diff] [blame] | 4616 | for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4617 | SmallString<128> EscapedArg; |
| 4618 | EscapeSpacesAndBackslashes(OriginalArgs[i], EscapedArg); |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 4619 | Flags += " "; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4620 | Flags += EscapedArg; |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 4621 | } |
| 4622 | CmdArgs.push_back("-dwarf-debug-flags"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 4623 | CmdArgs.push_back(Args.MakeArgString(Flags)); |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 4624 | } |
| 4625 | |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 4626 | // Add the split debug info name to the command lines here so we |
| 4627 | // can propagate it to the backend. |
| 4628 | bool SplitDwarf = Args.hasArg(options::OPT_gsplit_dwarf) && |
Cameron Esfahani | 57b1da1 | 2013-09-14 01:09:11 +0000 | [diff] [blame] | 4629 | getToolChain().getTriple().isOSLinux() && |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4630 | (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA) || |
| 4631 | isa<BackendJobAction>(JA)); |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 4632 | const char *SplitDwarfOut; |
| 4633 | if (SplitDwarf) { |
| 4634 | CmdArgs.push_back("-split-dwarf-file"); |
| 4635 | SplitDwarfOut = SplitDebugName(Args, Inputs); |
| 4636 | CmdArgs.push_back(SplitDwarfOut); |
| 4637 | } |
| 4638 | |
| 4639 | // Finally add the compile command to the compilation. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4640 | if (Args.hasArg(options::OPT__SLASH_fallback) && |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 4641 | Output.getType() == types::TY_Object && |
| 4642 | (InputType == types::TY_C || InputType == types::TY_CXX)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4643 | auto CLCommand = |
| 4644 | getCLFallback()->GetCommand(C, JA, Output, Inputs, Args, LinkingOutput); |
| 4645 | C.addCommand(llvm::make_unique<FallbackCommand>(JA, *this, Exec, CmdArgs, |
| 4646 | std::move(CLCommand))); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 4647 | } else { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4648 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 4649 | } |
| 4650 | |
Daniel Dunbar | a880db0 | 2009-03-23 19:03:36 +0000 | [diff] [blame] | 4651 | |
Eric Christopher | ff971d7 | 2013-02-22 23:50:16 +0000 | [diff] [blame] | 4652 | // Handle the debug info splitting at object creation time if we're |
| 4653 | // creating an object. |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 4654 | // TODO: Currently only works on linux with newer objcopy. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4655 | if (SplitDwarf && !isa<CompileJobAction>(JA) && !isa<BackendJobAction>(JA)) |
Eric Christopher | 8019039 | 2013-02-22 20:12:52 +0000 | [diff] [blame] | 4656 | SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, SplitDwarfOut); |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 4657 | |
Roman Divacky | be4c870 | 2011-02-10 16:52:03 +0000 | [diff] [blame] | 4658 | if (Arg *A = Args.getLastArg(options::OPT_pg)) |
| 4659 | if (Args.hasArg(options::OPT_fomit_frame_pointer)) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4660 | D.Diag(diag::err_drv_argument_not_allowed_with) |
Roman Divacky | be4c870 | 2011-02-10 16:52:03 +0000 | [diff] [blame] | 4661 | << "-fomit-frame-pointer" << A->getAsString(Args); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 4662 | |
Daniel Dunbar | 68fb469 | 2009-04-03 20:51:31 +0000 | [diff] [blame] | 4663 | // Claim some arguments which clang supports automatically. |
| 4664 | |
Daniel Dunbar | f404686 | 2010-04-15 06:18:42 +0000 | [diff] [blame] | 4665 | // -fpch-preprocess is used with gcc to add a special marker in the output to |
| 4666 | // include the PCH file. Clang's PTH solution is completely transparent, so we |
| 4667 | // do not need to deal with it at all. |
Daniel Dunbar | 68fb469 | 2009-04-03 20:51:31 +0000 | [diff] [blame] | 4668 | Args.ClaimAllArgs(options::OPT_fpch_preprocess); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 4669 | |
Daniel Dunbar | a880db0 | 2009-03-23 19:03:36 +0000 | [diff] [blame] | 4670 | // Claim some arguments which clang doesn't support, but we don't |
| 4671 | // care to warn the user about. |
Daniel Dunbar | cdd9686 | 2009-11-25 11:53:23 +0000 | [diff] [blame] | 4672 | Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); |
| 4673 | Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); |
Rafael Espindola | 035ff0c | 2011-02-28 23:29:45 +0000 | [diff] [blame] | 4674 | |
Rafael Espindola | 6155fbe | 2013-09-04 19:37:35 +0000 | [diff] [blame] | 4675 | // Disable warnings for clang -E -emit-llvm foo.c |
Rafael Espindola | 9c094fb | 2011-03-01 05:25:27 +0000 | [diff] [blame] | 4676 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 4677 | } |
| 4678 | |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4679 | /// Add options related to the Objective-C runtime/ABI. |
| 4680 | /// |
| 4681 | /// Returns true if the runtime is non-fragile. |
| 4682 | ObjCRuntime Clang::AddObjCRuntimeArgs(const ArgList &args, |
| 4683 | ArgStringList &cmdArgs, |
| 4684 | RewriteKind rewriteKind) const { |
| 4685 | // Look for the controlling runtime option. |
| 4686 | Arg *runtimeArg = args.getLastArg(options::OPT_fnext_runtime, |
| 4687 | options::OPT_fgnu_runtime, |
| 4688 | options::OPT_fobjc_runtime_EQ); |
| 4689 | |
| 4690 | // Just forward -fobjc-runtime= to the frontend. This supercedes |
| 4691 | // options about fragility. |
| 4692 | if (runtimeArg && |
| 4693 | runtimeArg->getOption().matches(options::OPT_fobjc_runtime_EQ)) { |
| 4694 | ObjCRuntime runtime; |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4695 | StringRef value = runtimeArg->getValue(); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4696 | if (runtime.tryParse(value)) { |
| 4697 | getToolChain().getDriver().Diag(diag::err_drv_unknown_objc_runtime) |
| 4698 | << value; |
| 4699 | } |
| 4700 | |
| 4701 | runtimeArg->render(args, cmdArgs); |
| 4702 | return runtime; |
| 4703 | } |
| 4704 | |
| 4705 | // Otherwise, we'll need the ABI "version". Version numbers are |
| 4706 | // slightly confusing for historical reasons: |
| 4707 | // 1 - Traditional "fragile" ABI |
| 4708 | // 2 - Non-fragile ABI, version 1 |
| 4709 | // 3 - Non-fragile ABI, version 2 |
| 4710 | unsigned objcABIVersion = 1; |
| 4711 | // If -fobjc-abi-version= is present, use that to set the version. |
| 4712 | if (Arg *abiArg = args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4713 | StringRef value = abiArg->getValue(); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4714 | if (value == "1") |
| 4715 | objcABIVersion = 1; |
| 4716 | else if (value == "2") |
| 4717 | objcABIVersion = 2; |
| 4718 | else if (value == "3") |
| 4719 | objcABIVersion = 3; |
| 4720 | else |
| 4721 | getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported) |
| 4722 | << value; |
| 4723 | } else { |
| 4724 | // Otherwise, determine if we are using the non-fragile ABI. |
| 4725 | bool nonFragileABIIsDefault = |
| 4726 | (rewriteKind == RK_NonFragile || |
| 4727 | (rewriteKind == RK_None && |
| 4728 | getToolChain().IsObjCNonFragileABIDefault())); |
| 4729 | if (args.hasFlag(options::OPT_fobjc_nonfragile_abi, |
| 4730 | options::OPT_fno_objc_nonfragile_abi, |
| 4731 | nonFragileABIIsDefault)) { |
| 4732 | // Determine the non-fragile ABI version to use. |
| 4733 | #ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO |
| 4734 | unsigned nonFragileABIVersion = 1; |
| 4735 | #else |
| 4736 | unsigned nonFragileABIVersion = 2; |
| 4737 | #endif |
| 4738 | |
| 4739 | if (Arg *abiArg = args.getLastArg( |
| 4740 | options::OPT_fobjc_nonfragile_abi_version_EQ)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 4741 | StringRef value = abiArg->getValue(); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4742 | if (value == "1") |
| 4743 | nonFragileABIVersion = 1; |
| 4744 | else if (value == "2") |
| 4745 | nonFragileABIVersion = 2; |
| 4746 | else |
| 4747 | getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported) |
| 4748 | << value; |
| 4749 | } |
| 4750 | |
| 4751 | objcABIVersion = 1 + nonFragileABIVersion; |
| 4752 | } else { |
| 4753 | objcABIVersion = 1; |
| 4754 | } |
| 4755 | } |
| 4756 | |
| 4757 | // We don't actually care about the ABI version other than whether |
| 4758 | // it's non-fragile. |
| 4759 | bool isNonFragile = objcABIVersion != 1; |
| 4760 | |
| 4761 | // If we have no runtime argument, ask the toolchain for its default runtime. |
| 4762 | // However, the rewriter only really supports the Mac runtime, so assume that. |
| 4763 | ObjCRuntime runtime; |
| 4764 | if (!runtimeArg) { |
| 4765 | switch (rewriteKind) { |
| 4766 | case RK_None: |
| 4767 | runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); |
| 4768 | break; |
| 4769 | case RK_Fragile: |
| 4770 | runtime = ObjCRuntime(ObjCRuntime::FragileMacOSX, VersionTuple()); |
| 4771 | break; |
| 4772 | case RK_NonFragile: |
| 4773 | runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); |
| 4774 | break; |
| 4775 | } |
| 4776 | |
| 4777 | // -fnext-runtime |
| 4778 | } else if (runtimeArg->getOption().matches(options::OPT_fnext_runtime)) { |
| 4779 | // On Darwin, make this use the default behavior for the toolchain. |
| 4780 | if (getToolChain().getTriple().isOSDarwin()) { |
| 4781 | runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); |
| 4782 | |
| 4783 | // Otherwise, build for a generic macosx port. |
| 4784 | } else { |
| 4785 | runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); |
| 4786 | } |
| 4787 | |
| 4788 | // -fgnu-runtime |
| 4789 | } else { |
| 4790 | assert(runtimeArg->getOption().matches(options::OPT_fgnu_runtime)); |
David Chisnall | a422cd0 | 2012-07-04 10:37:03 +0000 | [diff] [blame] | 4791 | // Legacy behaviour is to target the gnustep runtime if we are i |
| 4792 | // non-fragile mode or the GCC runtime in fragile mode. |
| 4793 | if (isNonFragile) |
David Chisnall | 891dac7 | 2012-10-16 15:11:55 +0000 | [diff] [blame] | 4794 | runtime = ObjCRuntime(ObjCRuntime::GNUstep, VersionTuple(1,6)); |
David Chisnall | a422cd0 | 2012-07-04 10:37:03 +0000 | [diff] [blame] | 4795 | else |
| 4796 | runtime = ObjCRuntime(ObjCRuntime::GCC, VersionTuple()); |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 4797 | } |
| 4798 | |
| 4799 | cmdArgs.push_back(args.MakeArgString( |
| 4800 | "-fobjc-runtime=" + runtime.getAsString())); |
| 4801 | return runtime; |
| 4802 | } |
| 4803 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4804 | static bool maybeConsumeDash(const std::string &EH, size_t &I) { |
| 4805 | bool HaveDash = (I + 1 < EH.size() && EH[I + 1] == '-'); |
| 4806 | I += HaveDash; |
| 4807 | return !HaveDash; |
| 4808 | } |
| 4809 | |
| 4810 | struct EHFlags { |
| 4811 | EHFlags() : Synch(false), Asynch(false), NoExceptC(false) {} |
| 4812 | bool Synch; |
| 4813 | bool Asynch; |
| 4814 | bool NoExceptC; |
| 4815 | }; |
| 4816 | |
| 4817 | /// /EH controls whether to run destructor cleanups when exceptions are |
| 4818 | /// thrown. There are three modifiers: |
| 4819 | /// - s: Cleanup after "synchronous" exceptions, aka C++ exceptions. |
| 4820 | /// - a: Cleanup after "asynchronous" exceptions, aka structured exceptions. |
| 4821 | /// The 'a' modifier is unimplemented and fundamentally hard in LLVM IR. |
| 4822 | /// - c: Assume that extern "C" functions are implicitly noexcept. This |
| 4823 | /// modifier is an optimization, so we ignore it for now. |
| 4824 | /// The default is /EHs-c-, meaning cleanups are disabled. |
| 4825 | static EHFlags parseClangCLEHFlags(const Driver &D, const ArgList &Args) { |
| 4826 | EHFlags EH; |
| 4827 | std::vector<std::string> EHArgs = Args.getAllArgValues(options::OPT__SLASH_EH); |
| 4828 | for (auto EHVal : EHArgs) { |
| 4829 | for (size_t I = 0, E = EHVal.size(); I != E; ++I) { |
| 4830 | switch (EHVal[I]) { |
| 4831 | case 'a': EH.Asynch = maybeConsumeDash(EHVal, I); continue; |
| 4832 | case 'c': EH.NoExceptC = maybeConsumeDash(EHVal, I); continue; |
| 4833 | case 's': EH.Synch = maybeConsumeDash(EHVal, I); continue; |
| 4834 | default: break; |
| 4835 | } |
| 4836 | D.Diag(clang::diag::err_drv_invalid_value) << "/EH" << EHVal; |
| 4837 | break; |
| 4838 | } |
| 4839 | } |
| 4840 | return EH; |
| 4841 | } |
| 4842 | |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4843 | void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs) const { |
| 4844 | unsigned RTOptionID = options::OPT__SLASH_MT; |
| 4845 | |
Hans Wennborg | 6d0a8d5 | 2013-09-10 20:18:04 +0000 | [diff] [blame] | 4846 | if (Args.hasArg(options::OPT__SLASH_LDd)) |
| 4847 | // The /LDd option implies /MTd. The dependent lib part can be overridden, |
| 4848 | // but defining _DEBUG is sticky. |
| 4849 | RTOptionID = options::OPT__SLASH_MTd; |
| 4850 | |
Hans Wennborg | 76da178 | 2013-09-18 22:26:39 +0000 | [diff] [blame] | 4851 | if (Arg *A = Args.getLastArg(options::OPT__SLASH_M_Group)) |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4852 | RTOptionID = A->getOption().getID(); |
Hans Wennborg | 42ade49 | 2013-09-11 16:38:41 +0000 | [diff] [blame] | 4853 | |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4854 | switch(RTOptionID) { |
| 4855 | case options::OPT__SLASH_MD: |
Hans Wennborg | 6d0a8d5 | 2013-09-10 20:18:04 +0000 | [diff] [blame] | 4856 | if (Args.hasArg(options::OPT__SLASH_LDd)) |
| 4857 | CmdArgs.push_back("-D_DEBUG"); |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4858 | CmdArgs.push_back("-D_MT"); |
| 4859 | CmdArgs.push_back("-D_DLL"); |
| 4860 | CmdArgs.push_back("--dependent-lib=msvcrt"); |
| 4861 | break; |
| 4862 | case options::OPT__SLASH_MDd: |
| 4863 | CmdArgs.push_back("-D_DEBUG"); |
| 4864 | CmdArgs.push_back("-D_MT"); |
| 4865 | CmdArgs.push_back("-D_DLL"); |
| 4866 | CmdArgs.push_back("--dependent-lib=msvcrtd"); |
| 4867 | break; |
| 4868 | case options::OPT__SLASH_MT: |
Hans Wennborg | 6d0a8d5 | 2013-09-10 20:18:04 +0000 | [diff] [blame] | 4869 | if (Args.hasArg(options::OPT__SLASH_LDd)) |
| 4870 | CmdArgs.push_back("-D_DEBUG"); |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4871 | CmdArgs.push_back("-D_MT"); |
| 4872 | CmdArgs.push_back("--dependent-lib=libcmt"); |
| 4873 | break; |
| 4874 | case options::OPT__SLASH_MTd: |
| 4875 | CmdArgs.push_back("-D_DEBUG"); |
| 4876 | CmdArgs.push_back("-D_MT"); |
| 4877 | CmdArgs.push_back("--dependent-lib=libcmtd"); |
| 4878 | break; |
| 4879 | default: |
| 4880 | llvm_unreachable("Unexpected option ID."); |
| 4881 | } |
| 4882 | |
Reid Kleckner | a32c523 | 2013-08-08 19:33:10 +0000 | [diff] [blame] | 4883 | // This provides POSIX compatibility (maps 'open' to '_open'), which most |
| 4884 | // users want. The /Za flag to cl.exe turns this off, but it's not |
| 4885 | // implemented in clang. |
| 4886 | CmdArgs.push_back("--dependent-lib=oldnames"); |
Hans Wennborg | f0f9891 | 2013-08-08 19:54:30 +0000 | [diff] [blame] | 4887 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 4888 | // Both /showIncludes and /E (and /EP) write to stdout. Allowing both |
| 4889 | // would produce interleaved output, so ignore /showIncludes in such cases. |
| 4890 | if (!Args.hasArg(options::OPT_E) && !Args.hasArg(options::OPT__SLASH_EP)) |
| 4891 | if (Arg *A = Args.getLastArg(options::OPT_show_includes)) |
| 4892 | A->render(Args, CmdArgs); |
Hans Wennborg | b647552 | 2013-09-10 01:07:07 +0000 | [diff] [blame] | 4893 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4894 | // This controls whether or not we emit RTTI data for polymorphic types. |
| 4895 | if (Args.hasFlag(options::OPT__SLASH_GR_, options::OPT__SLASH_GR, |
| 4896 | /*default=*/false)) |
| 4897 | CmdArgs.push_back("-fno-rtti-data"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4898 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4899 | const Driver &D = getToolChain().getDriver(); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4900 | EHFlags EH = parseClangCLEHFlags(D, Args); |
| 4901 | // FIXME: Do something with NoExceptC. |
| 4902 | if (EH.Synch || EH.Asynch) { |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4903 | CmdArgs.push_back("-fcxx-exceptions"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4904 | CmdArgs.push_back("-fexceptions"); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4905 | } |
| 4906 | |
| 4907 | // /EP should expand to -E -P. |
| 4908 | if (Args.hasArg(options::OPT__SLASH_EP)) { |
| 4909 | CmdArgs.push_back("-E"); |
| 4910 | CmdArgs.push_back("-P"); |
| 4911 | } |
| 4912 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4913 | unsigned VolatileOptionID; |
| 4914 | if (getToolChain().getTriple().getArch() == llvm::Triple::x86_64 || |
| 4915 | getToolChain().getTriple().getArch() == llvm::Triple::x86) |
| 4916 | VolatileOptionID = options::OPT__SLASH_volatile_ms; |
| 4917 | else |
| 4918 | VolatileOptionID = options::OPT__SLASH_volatile_iso; |
| 4919 | |
| 4920 | if (Arg *A = Args.getLastArg(options::OPT__SLASH_volatile_Group)) |
| 4921 | VolatileOptionID = A->getOption().getID(); |
| 4922 | |
| 4923 | if (VolatileOptionID == options::OPT__SLASH_volatile_ms) |
| 4924 | CmdArgs.push_back("-fms-volatile"); |
| 4925 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4926 | Arg *MostGeneralArg = Args.getLastArg(options::OPT__SLASH_vmg); |
| 4927 | Arg *BestCaseArg = Args.getLastArg(options::OPT__SLASH_vmb); |
| 4928 | if (MostGeneralArg && BestCaseArg) |
| 4929 | D.Diag(clang::diag::err_drv_argument_not_allowed_with) |
| 4930 | << MostGeneralArg->getAsString(Args) << BestCaseArg->getAsString(Args); |
| 4931 | |
| 4932 | if (MostGeneralArg) { |
| 4933 | Arg *SingleArg = Args.getLastArg(options::OPT__SLASH_vms); |
| 4934 | Arg *MultipleArg = Args.getLastArg(options::OPT__SLASH_vmm); |
| 4935 | Arg *VirtualArg = Args.getLastArg(options::OPT__SLASH_vmv); |
| 4936 | |
| 4937 | Arg *FirstConflict = SingleArg ? SingleArg : MultipleArg; |
| 4938 | Arg *SecondConflict = VirtualArg ? VirtualArg : MultipleArg; |
| 4939 | if (FirstConflict && SecondConflict && FirstConflict != SecondConflict) |
| 4940 | D.Diag(clang::diag::err_drv_argument_not_allowed_with) |
| 4941 | << FirstConflict->getAsString(Args) |
| 4942 | << SecondConflict->getAsString(Args); |
| 4943 | |
| 4944 | if (SingleArg) |
| 4945 | CmdArgs.push_back("-fms-memptr-rep=single"); |
| 4946 | else if (MultipleArg) |
| 4947 | CmdArgs.push_back("-fms-memptr-rep=multiple"); |
| 4948 | else |
| 4949 | CmdArgs.push_back("-fms-memptr-rep=virtual"); |
| 4950 | } |
| 4951 | |
| 4952 | if (Arg *A = Args.getLastArg(options::OPT_vtordisp_mode_EQ)) |
| 4953 | A->render(Args, CmdArgs); |
| 4954 | |
Hans Wennborg | b647552 | 2013-09-10 01:07:07 +0000 | [diff] [blame] | 4955 | if (!Args.hasArg(options::OPT_fdiagnostics_format_EQ)) { |
| 4956 | CmdArgs.push_back("-fdiagnostics-format"); |
Hans Wennborg | 89e3274 | 2013-09-24 00:08:55 +0000 | [diff] [blame] | 4957 | if (Args.hasArg(options::OPT__SLASH_fallback)) |
| 4958 | CmdArgs.push_back("msvc-fallback"); |
| 4959 | else |
| 4960 | CmdArgs.push_back("msvc"); |
Hans Wennborg | b647552 | 2013-09-10 01:07:07 +0000 | [diff] [blame] | 4961 | } |
Hans Wennborg | b357479 | 2013-08-08 00:17:41 +0000 | [diff] [blame] | 4962 | } |
| 4963 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 4964 | visualstudio::Compile *Clang::getCLFallback() const { |
| 4965 | if (!CLFallback) |
| 4966 | CLFallback.reset(new visualstudio::Compile(getToolChain())); |
| 4967 | return CLFallback.get(); |
| 4968 | } |
| 4969 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4970 | void ClangAs::AddMIPSTargetArgs(const ArgList &Args, |
| 4971 | ArgStringList &CmdArgs) const { |
| 4972 | StringRef CPUName; |
| 4973 | StringRef ABIName; |
| 4974 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 4975 | mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); |
| 4976 | |
| 4977 | CmdArgs.push_back("-target-abi"); |
| 4978 | CmdArgs.push_back(ABIName.data()); |
| 4979 | } |
| 4980 | |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 4981 | void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 4982 | const InputInfo &Output, |
| 4983 | const InputInfoList &Inputs, |
| 4984 | const ArgList &Args, |
| 4985 | const char *LinkingOutput) const { |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 4986 | ArgStringList CmdArgs; |
| 4987 | |
| 4988 | assert(Inputs.size() == 1 && "Unexpected number of inputs."); |
| 4989 | const InputInfo &Input = Inputs[0]; |
| 4990 | |
Rafael Espindola | dbe80d9 | 2010-11-17 22:13:25 +0000 | [diff] [blame] | 4991 | // Don't warn about "clang -w -c foo.s" |
| 4992 | Args.ClaimAllArgs(options::OPT_w); |
Rafael Espindola | 9c094fb | 2011-03-01 05:25:27 +0000 | [diff] [blame] | 4993 | // and "clang -emit-llvm -c foo.s" |
| 4994 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
Rafael Espindola | dbe80d9 | 2010-11-17 22:13:25 +0000 | [diff] [blame] | 4995 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4996 | claimNoWarnArgs(Args); |
| 4997 | |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 4998 | // Invoke ourselves in -cc1as mode. |
| 4999 | // |
| 5000 | // FIXME: Implement custom jobs for internal actions. |
| 5001 | CmdArgs.push_back("-cc1as"); |
| 5002 | |
| 5003 | // Add the "effective" target triple. |
| 5004 | CmdArgs.push_back("-triple"); |
Chad Rosier | 61ab80a | 2011-09-20 20:44:06 +0000 | [diff] [blame] | 5005 | std::string TripleStr = |
| 5006 | getToolChain().ComputeEffectiveClangTriple(Args, Input.getType()); |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5007 | CmdArgs.push_back(Args.MakeArgString(TripleStr)); |
| 5008 | |
| 5009 | // Set the output mode, we currently only expect to be used as a real |
| 5010 | // assembler. |
| 5011 | CmdArgs.push_back("-filetype"); |
| 5012 | CmdArgs.push_back("obj"); |
| 5013 | |
Eric Christopher | 27e2b98 | 2012-12-18 00:31:10 +0000 | [diff] [blame] | 5014 | // Set the main file name, so that debug info works even with |
| 5015 | // -save-temps or preprocessed assembly. |
| 5016 | CmdArgs.push_back("-main-file-name"); |
| 5017 | CmdArgs.push_back(Clang::getBaseInputName(Args, Inputs)); |
| 5018 | |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 5019 | // Add the target cpu |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 5020 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 5021 | std::string CPU = getCPUName(Args, Triple); |
Rafael Espindola | b330e40 | 2013-08-20 22:12:08 +0000 | [diff] [blame] | 5022 | if (!CPU.empty()) { |
| 5023 | CmdArgs.push_back("-target-cpu"); |
| 5024 | CmdArgs.push_back(Args.MakeArgString(CPU)); |
| 5025 | } |
| 5026 | |
Rafael Espindola | 146dbbf | 2013-08-21 16:39:20 +0000 | [diff] [blame] | 5027 | // Add the target features |
| 5028 | const Driver &D = getToolChain().getDriver(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5029 | getTargetFeatures(D, Triple, Args, CmdArgs, true); |
Jim Grosbach | fc30829 | 2012-02-10 20:37:10 +0000 | [diff] [blame] | 5030 | |
Daniel Dunbar | 7f6f8c8 | 2011-03-17 17:37:29 +0000 | [diff] [blame] | 5031 | // Ignore explicit -force_cpusubtype_ALL option. |
| 5032 | (void) Args.hasArg(options::OPT_force__cpusubtype__ALL); |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5033 | |
Eric Christopher | 8f0a403 | 2012-01-10 00:38:01 +0000 | [diff] [blame] | 5034 | // Determine the original source input. |
| 5035 | const Action *SourceAction = &JA; |
| 5036 | while (SourceAction->getKind() != Action::InputClass) { |
| 5037 | assert(!SourceAction->getInputs().empty() && "unexpected root action!"); |
| 5038 | SourceAction = SourceAction->getInputs()[0]; |
| 5039 | } |
| 5040 | |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 5041 | // Forward -g and handle debug info related flags, assuming we are dealing |
| 5042 | // with an actual assembly file. |
Eric Christopher | 8f0a403 | 2012-01-10 00:38:01 +0000 | [diff] [blame] | 5043 | if (SourceAction->getType() == types::TY_Asm || |
| 5044 | SourceAction->getType() == types::TY_PP_Asm) { |
| 5045 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 5046 | if (Arg *A = Args.getLastArg(options::OPT_g_Group)) |
| 5047 | if (!A->getOption().matches(options::OPT_g0)) |
| 5048 | CmdArgs.push_back("-g"); |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 5049 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 5050 | if (Args.hasArg(options::OPT_gdwarf_2)) |
| 5051 | CmdArgs.push_back("-gdwarf-2"); |
| 5052 | if (Args.hasArg(options::OPT_gdwarf_3)) |
| 5053 | CmdArgs.push_back("-gdwarf-3"); |
| 5054 | if (Args.hasArg(options::OPT_gdwarf_4)) |
| 5055 | CmdArgs.push_back("-gdwarf-4"); |
| 5056 | |
Chandler Carruth | d566df6 | 2012-12-17 21:40:04 +0000 | [diff] [blame] | 5057 | // Add the -fdebug-compilation-dir flag if needed. |
| 5058 | addDebugCompDirArg(Args, CmdArgs); |
Kevin Enderby | 0234179 | 2013-01-17 21:38:06 +0000 | [diff] [blame] | 5059 | |
| 5060 | // Set the AT_producer to the clang version when using the integrated |
| 5061 | // assembler on assembly source files. |
| 5062 | CmdArgs.push_back("-dwarf-debug-producer"); |
| 5063 | CmdArgs.push_back(Args.MakeArgString(getClangFullVersion())); |
Eric Christopher | 8f0a403 | 2012-01-10 00:38:01 +0000 | [diff] [blame] | 5064 | } |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5065 | |
| 5066 | // Optionally embed the -cc1as level arguments into the debug info, for build |
| 5067 | // analysis. |
| 5068 | if (getToolChain().UseDwarfDebugFlags()) { |
| 5069 | ArgStringList OriginalArgs; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5070 | for (const auto &Arg : Args) |
| 5071 | Arg->render(Args, OriginalArgs); |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5072 | |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 5073 | SmallString<256> Flags; |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5074 | const char *Exec = getToolChain().getDriver().getClangProgramPath(); |
| 5075 | Flags += Exec; |
| 5076 | for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5077 | SmallString<128> EscapedArg; |
| 5078 | EscapeSpacesAndBackslashes(OriginalArgs[i], EscapedArg); |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5079 | Flags += " "; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5080 | Flags += EscapedArg; |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5081 | } |
| 5082 | CmdArgs.push_back("-dwarf-debug-flags"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 5083 | CmdArgs.push_back(Args.MakeArgString(Flags)); |
Kevin Enderby | 567003e | 2011-12-22 19:31:58 +0000 | [diff] [blame] | 5084 | } |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5085 | |
| 5086 | // FIXME: Add -static support, once we have it. |
| 5087 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5088 | // Add target specific flags. |
| 5089 | switch(getToolChain().getArch()) { |
| 5090 | default: |
| 5091 | break; |
| 5092 | |
| 5093 | case llvm::Triple::mips: |
| 5094 | case llvm::Triple::mipsel: |
| 5095 | case llvm::Triple::mips64: |
| 5096 | case llvm::Triple::mips64el: |
| 5097 | AddMIPSTargetArgs(Args, CmdArgs); |
| 5098 | break; |
| 5099 | } |
| 5100 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5101 | // Consume all the warning flags. Usually this would be handled more |
| 5102 | // gracefully by -cc1 (warning about unknown warning flags, etc) but -cc1as |
| 5103 | // doesn't handle that so rather than warning about unused flags that are |
| 5104 | // actually used, we'll lie by omission instead. |
| 5105 | // FIXME: Stop lying and consume only the appropriate driver flags |
| 5106 | for (arg_iterator it = Args.filtered_begin(options::OPT_W_Group), |
| 5107 | ie = Args.filtered_end(); |
| 5108 | it != ie; ++it) |
| 5109 | (*it)->claim(); |
| 5110 | |
David Blaikie | 73168db | 2013-07-25 21:19:01 +0000 | [diff] [blame] | 5111 | CollectArgsForIntegratedAssembler(C, Args, CmdArgs, |
| 5112 | getToolChain().getDriver()); |
| 5113 | |
Daniel Dunbar | 3df2325 | 2011-04-29 17:53:18 +0000 | [diff] [blame] | 5114 | Args.AddAllArgs(CmdArgs, options::OPT_mllvm); |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5115 | |
| 5116 | assert(Output.isFilename() && "Unexpected lipo output."); |
| 5117 | CmdArgs.push_back("-o"); |
| 5118 | CmdArgs.push_back(Output.getFilename()); |
| 5119 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 5120 | assert(Input.isFilename() && "Invalid input."); |
| 5121 | CmdArgs.push_back(Input.getFilename()); |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5122 | |
Daniel Dunbar | a001c1c | 2010-07-18 21:16:15 +0000 | [diff] [blame] | 5123 | const char *Exec = getToolChain().getDriver().getClangProgramPath(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5124 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Eric Christopher | 708d72a | 2013-04-10 21:30:40 +0000 | [diff] [blame] | 5125 | |
| 5126 | // Handle the debug info splitting at object creation time if we're |
| 5127 | // creating an object. |
| 5128 | // TODO: Currently only works on linux with newer objcopy. |
| 5129 | if (Args.hasArg(options::OPT_gsplit_dwarf) && |
Cameron Esfahani | 57b1da1 | 2013-09-14 01:09:11 +0000 | [diff] [blame] | 5130 | getToolChain().getTriple().isOSLinux()) |
Eric Christopher | 708d72a | 2013-04-10 21:30:40 +0000 | [diff] [blame] | 5131 | SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, |
| 5132 | SplitDebugName(Args, Inputs)); |
Daniel Dunbar | 20a9aa5 | 2010-05-20 21:30:13 +0000 | [diff] [blame] | 5133 | } |
| 5134 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5135 | void GnuTool::anchor() {} |
| 5136 | |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5137 | void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5138 | const InputInfo &Output, |
| 5139 | const InputInfoList &Inputs, |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 5140 | const ArgList &Args, |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5141 | const char *LinkingOutput) const { |
Daniel Dunbar | ee788e7 | 2009-12-21 18:54:17 +0000 | [diff] [blame] | 5142 | const Driver &D = getToolChain().getDriver(); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5143 | ArgStringList CmdArgs; |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 5144 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5145 | for (const auto &A : Args) { |
Michael J. Spencer | 91e06da | 2012-10-19 22:37:06 +0000 | [diff] [blame] | 5146 | if (forwardToGCC(A->getOption())) { |
Daniel Dunbar | 2dffe2d | 2010-08-03 16:14:14 +0000 | [diff] [blame] | 5147 | // Don't forward any -g arguments to assembly steps. |
| 5148 | if (isa<AssembleJobAction>(JA) && |
| 5149 | A->getOption().matches(options::OPT_g_Group)) |
| 5150 | continue; |
| 5151 | |
NAKAMURA Takumi | 3c6c822 | 2013-08-19 11:51:51 +0000 | [diff] [blame] | 5152 | // Don't forward any -W arguments to assembly and link steps. |
| 5153 | if ((isa<AssembleJobAction>(JA) || isa<LinkJobAction>(JA)) && |
| 5154 | A->getOption().matches(options::OPT_W_Group)) |
| 5155 | continue; |
| 5156 | |
Daniel Dunbar | 7587719 | 2009-03-19 07:55:12 +0000 | [diff] [blame] | 5157 | // It is unfortunate that we have to claim here, as this means |
| 5158 | // we will basically never report anything interesting for |
Daniel Dunbar | 6ecc7a9 | 2009-05-02 21:41:52 +0000 | [diff] [blame] | 5159 | // platforms using a generic gcc, even if we are just using gcc |
| 5160 | // to get to the assembler. |
Daniel Dunbar | 7587719 | 2009-03-19 07:55:12 +0000 | [diff] [blame] | 5161 | A->claim(); |
Daniel Dunbar | 1d46033 | 2009-03-18 10:01:51 +0000 | [diff] [blame] | 5162 | A->render(Args, CmdArgs); |
Daniel Dunbar | 7587719 | 2009-03-19 07:55:12 +0000 | [diff] [blame] | 5163 | } |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5164 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5165 | |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5166 | RenderExtraToolArgs(JA, CmdArgs); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5167 | |
| 5168 | // If using a driver driver, force the arch. |
Bob Wilson | 905c45f | 2011-10-14 05:03:44 +0000 | [diff] [blame] | 5169 | if (getToolChain().getTriple().isOSDarwin()) { |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5170 | CmdArgs.push_back("-arch"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5171 | CmdArgs.push_back( |
| 5172 | Args.MakeArgString(getToolChain().getDefaultUniversalArchName())); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5173 | } |
| 5174 | |
Daniel Dunbar | 6ecc7a9 | 2009-05-02 21:41:52 +0000 | [diff] [blame] | 5175 | // Try to force gcc to match the tool chain we want, if we recognize |
| 5176 | // the arch. |
Daniel Dunbar | 7cfe31a | 2009-05-22 02:21:04 +0000 | [diff] [blame] | 5177 | // |
| 5178 | // FIXME: The triple class should directly provide the information we want |
| 5179 | // here. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5180 | llvm::Triple::ArchType Arch = getToolChain().getArch(); |
Rafael Espindola | 64f7ad9 | 2012-10-07 04:44:33 +0000 | [diff] [blame] | 5181 | if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::ppc) |
Daniel Dunbar | 6ecc7a9 | 2009-05-02 21:41:52 +0000 | [diff] [blame] | 5182 | CmdArgs.push_back("-m32"); |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 5183 | else if (Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::ppc64 || |
| 5184 | Arch == llvm::Triple::ppc64le) |
Daniel Dunbar | 6ecc7a9 | 2009-05-02 21:41:52 +0000 | [diff] [blame] | 5185 | CmdArgs.push_back("-m64"); |
| 5186 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 5187 | if (Output.isFilename()) { |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5188 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 5189 | CmdArgs.push_back(Output.getFilename()); |
| 5190 | } else { |
| 5191 | assert(Output.isNothing() && "Unexpected output"); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5192 | CmdArgs.push_back("-fsyntax-only"); |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 5193 | } |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5194 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5195 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 5196 | options::OPT_Xassembler); |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5197 | |
| 5198 | // Only pass -x if gcc will understand it; otherwise hope gcc |
| 5199 | // understands the suffix correctly. The main use case this would go |
| 5200 | // wrong in is for linker inputs if they happened to have an odd |
| 5201 | // suffix; really the only way to get this to happen is a command |
| 5202 | // like '-x foobar a.c' which will treat a.c like a linker input. |
| 5203 | // |
| 5204 | // FIXME: For the linker case specifically, can we safely convert |
| 5205 | // inputs into '-Wl,' options? |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5206 | for (const auto &II : Inputs) { |
Daniel Dunbar | 5915fbf | 2009-09-01 16:57:46 +0000 | [diff] [blame] | 5207 | // Don't try to pass LLVM or AST inputs to a generic gcc. |
Daniel Dunbar | 6c6424b | 2010-06-07 23:28:45 +0000 | [diff] [blame] | 5208 | if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || |
| 5209 | II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5210 | D.Diag(diag::err_drv_no_linker_llvm_support) |
Daniel Dunbar | 8813764 | 2009-09-09 22:32:48 +0000 | [diff] [blame] | 5211 | << getToolChain().getTripleString(); |
Daniel Dunbar | 5915fbf | 2009-09-01 16:57:46 +0000 | [diff] [blame] | 5212 | else if (II.getType() == types::TY_AST) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5213 | D.Diag(diag::err_drv_no_ast_support) |
Daniel Dunbar | 8813764 | 2009-09-09 22:32:48 +0000 | [diff] [blame] | 5214 | << getToolChain().getTripleString(); |
Douglas Gregor | c544ba0 | 2013-03-27 16:47:18 +0000 | [diff] [blame] | 5215 | else if (II.getType() == types::TY_ModuleFile) |
| 5216 | D.Diag(diag::err_drv_no_module_support) |
| 5217 | << getToolChain().getTripleString(); |
Daniel Dunbar | a8304f6 | 2009-05-02 20:14:53 +0000 | [diff] [blame] | 5218 | |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5219 | if (types::canTypeBeUserSpecified(II.getType())) { |
| 5220 | CmdArgs.push_back("-x"); |
| 5221 | CmdArgs.push_back(types::getTypeName(II.getType())); |
| 5222 | } |
| 5223 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 5224 | if (II.isFilename()) |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 5225 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | 48f9994 | 2010-09-25 18:10:05 +0000 | [diff] [blame] | 5226 | else { |
| 5227 | const Arg &A = II.getInputArg(); |
| 5228 | |
| 5229 | // Reverse translate some rewritten options. |
| 5230 | if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) { |
| 5231 | CmdArgs.push_back("-lstdc++"); |
| 5232 | continue; |
| 5233 | } |
| 5234 | |
Daniel Dunbar | 115a792 | 2009-03-19 07:29:38 +0000 | [diff] [blame] | 5235 | // Don't render as input, we need gcc to do the translations. |
Daniel Dunbar | 48f9994 | 2010-09-25 18:10:05 +0000 | [diff] [blame] | 5236 | A.render(Args, CmdArgs); |
| 5237 | } |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5238 | } |
| 5239 | |
Dylan Noblesmith | b8a3e81 | 2011-04-09 13:31:59 +0000 | [diff] [blame] | 5240 | const std::string customGCCName = D.getCCCGenericGCCName(); |
| 5241 | const char *GCCName; |
| 5242 | if (!customGCCName.empty()) |
| 5243 | GCCName = customGCCName.c_str(); |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 5244 | else if (D.CCCIsCXX()) { |
Dylan Noblesmith | b8a3e81 | 2011-04-09 13:31:59 +0000 | [diff] [blame] | 5245 | GCCName = "g++"; |
Dylan Noblesmith | b8a3e81 | 2011-04-09 13:31:59 +0000 | [diff] [blame] | 5246 | } else |
| 5247 | GCCName = "gcc"; |
| 5248 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5249 | const char *Exec = |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 5250 | Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5251 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 5252 | } |
| 5253 | |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5254 | void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA, |
| 5255 | ArgStringList &CmdArgs) const { |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5256 | CmdArgs.push_back("-E"); |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 5257 | } |
| 5258 | |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5259 | void gcc::Compile::RenderExtraToolArgs(const JobAction &JA, |
| 5260 | ArgStringList &CmdArgs) const { |
Daniel Dunbar | 6495250 | 2010-02-11 03:16:21 +0000 | [diff] [blame] | 5261 | const Driver &D = getToolChain().getDriver(); |
| 5262 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5263 | switch (JA.getType()) { |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5264 | // If -flto, etc. are present then make sure not to force assembly output. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5265 | case types::TY_LLVM_IR: |
| 5266 | case types::TY_LTO_IR: |
| 5267 | case types::TY_LLVM_BC: |
| 5268 | case types::TY_LTO_BC: |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5269 | CmdArgs.push_back("-c"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5270 | break; |
| 5271 | case types::TY_PP_Asm: |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5272 | CmdArgs.push_back("-S"); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5273 | break; |
| 5274 | case types::TY_Nothing: |
| 5275 | CmdArgs.push_back("-fsyntax-only"); |
| 5276 | break; |
| 5277 | default: |
| 5278 | D.Diag(diag::err_drv_invalid_gcc_output_type) << getTypeName(JA.getType()); |
Daniel Dunbar | 6495250 | 2010-02-11 03:16:21 +0000 | [diff] [blame] | 5279 | } |
Daniel Dunbar | 47ac7d2 | 2009-03-18 06:00:36 +0000 | [diff] [blame] | 5280 | } |
| 5281 | |
Daniel Dunbar | 82b51cc | 2010-01-25 22:35:08 +0000 | [diff] [blame] | 5282 | void gcc::Link::RenderExtraToolArgs(const JobAction &JA, |
| 5283 | ArgStringList &CmdArgs) const { |
Daniel Dunbar | b488c1d | 2009-03-18 08:07:30 +0000 | [diff] [blame] | 5284 | // The types are (hopefully) good enough. |
| 5285 | } |
| 5286 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5287 | // Hexagon tools start. |
| 5288 | void hexagon::Assemble::RenderExtraToolArgs(const JobAction &JA, |
| 5289 | ArgStringList &CmdArgs) const { |
| 5290 | |
| 5291 | } |
| 5292 | void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 5293 | const InputInfo &Output, |
| 5294 | const InputInfoList &Inputs, |
| 5295 | const ArgList &Args, |
| 5296 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5297 | claimNoWarnArgs(Args); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5298 | |
| 5299 | const Driver &D = getToolChain().getDriver(); |
| 5300 | ArgStringList CmdArgs; |
| 5301 | |
| 5302 | std::string MarchString = "-march="; |
Matthew Curtis | 6781415 | 2012-12-06 14:16:43 +0000 | [diff] [blame] | 5303 | MarchString += toolchains::Hexagon_TC::GetTargetCPU(Args); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5304 | CmdArgs.push_back(Args.MakeArgString(MarchString)); |
| 5305 | |
| 5306 | RenderExtraToolArgs(JA, CmdArgs); |
| 5307 | |
| 5308 | if (Output.isFilename()) { |
| 5309 | CmdArgs.push_back("-o"); |
| 5310 | CmdArgs.push_back(Output.getFilename()); |
| 5311 | } else { |
| 5312 | assert(Output.isNothing() && "Unexpected output"); |
| 5313 | CmdArgs.push_back("-fsyntax-only"); |
| 5314 | } |
| 5315 | |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 5316 | std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args); |
| 5317 | if (!SmallDataThreshold.empty()) |
| 5318 | CmdArgs.push_back( |
| 5319 | Args.MakeArgString(std::string("-G") + SmallDataThreshold)); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5320 | |
Matthew Curtis | 3d8d422 | 2012-12-07 17:23:04 +0000 | [diff] [blame] | 5321 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 5322 | options::OPT_Xassembler); |
| 5323 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5324 | // Only pass -x if gcc will understand it; otherwise hope gcc |
| 5325 | // understands the suffix correctly. The main use case this would go |
| 5326 | // wrong in is for linker inputs if they happened to have an odd |
| 5327 | // suffix; really the only way to get this to happen is a command |
| 5328 | // like '-x foobar a.c' which will treat a.c like a linker input. |
| 5329 | // |
| 5330 | // FIXME: For the linker case specifically, can we safely convert |
| 5331 | // inputs into '-Wl,' options? |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5332 | for (const auto &II : Inputs) { |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5333 | // Don't try to pass LLVM or AST inputs to a generic gcc. |
| 5334 | if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR || |
| 5335 | II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC) |
| 5336 | D.Diag(clang::diag::err_drv_no_linker_llvm_support) |
| 5337 | << getToolChain().getTripleString(); |
| 5338 | else if (II.getType() == types::TY_AST) |
| 5339 | D.Diag(clang::diag::err_drv_no_ast_support) |
| 5340 | << getToolChain().getTripleString(); |
Douglas Gregor | c544ba0 | 2013-03-27 16:47:18 +0000 | [diff] [blame] | 5341 | else if (II.getType() == types::TY_ModuleFile) |
| 5342 | D.Diag(diag::err_drv_no_module_support) |
| 5343 | << getToolChain().getTripleString(); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5344 | |
| 5345 | if (II.isFilename()) |
| 5346 | CmdArgs.push_back(II.getFilename()); |
| 5347 | else |
| 5348 | // Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ? |
| 5349 | II.getInputArg().render(Args, CmdArgs); |
| 5350 | } |
| 5351 | |
| 5352 | const char *GCCName = "hexagon-as"; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5353 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5354 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5355 | } |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5356 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5357 | void hexagon::Link::RenderExtraToolArgs(const JobAction &JA, |
| 5358 | ArgStringList &CmdArgs) const { |
| 5359 | // The types are (hopefully) good enough. |
| 5360 | } |
| 5361 | |
| 5362 | void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 5363 | const InputInfo &Output, |
| 5364 | const InputInfoList &Inputs, |
| 5365 | const ArgList &Args, |
| 5366 | const char *LinkingOutput) const { |
| 5367 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5368 | const toolchains::Hexagon_TC& ToolChain = |
| 5369 | static_cast<const toolchains::Hexagon_TC&>(getToolChain()); |
| 5370 | const Driver &D = ToolChain.getDriver(); |
| 5371 | |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5372 | ArgStringList CmdArgs; |
| 5373 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5374 | //---------------------------------------------------------------------------- |
| 5375 | // |
| 5376 | //---------------------------------------------------------------------------- |
| 5377 | bool hasStaticArg = Args.hasArg(options::OPT_static); |
| 5378 | bool buildingLib = Args.hasArg(options::OPT_shared); |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 5379 | bool buildPIE = Args.hasArg(options::OPT_pie); |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5380 | bool incStdLib = !Args.hasArg(options::OPT_nostdlib); |
| 5381 | bool incStartFiles = !Args.hasArg(options::OPT_nostartfiles); |
| 5382 | bool incDefLibs = !Args.hasArg(options::OPT_nodefaultlibs); |
| 5383 | bool useShared = buildingLib && !hasStaticArg; |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5384 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5385 | //---------------------------------------------------------------------------- |
| 5386 | // Silence warnings for various options |
| 5387 | //---------------------------------------------------------------------------- |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5388 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5389 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 5390 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
| 5391 | Args.ClaimAllArgs(options::OPT_w); // Other warning options are already |
| 5392 | // handled somewhere else. |
| 5393 | Args.ClaimAllArgs(options::OPT_static_libgcc); |
| 5394 | |
| 5395 | //---------------------------------------------------------------------------- |
| 5396 | // |
| 5397 | //---------------------------------------------------------------------------- |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5398 | for (const auto &Opt : ToolChain.ExtraOpts) |
| 5399 | CmdArgs.push_back(Opt.c_str()); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5400 | |
Matthew Curtis | 6781415 | 2012-12-06 14:16:43 +0000 | [diff] [blame] | 5401 | std::string MarchString = toolchains::Hexagon_TC::GetTargetCPU(Args); |
| 5402 | CmdArgs.push_back(Args.MakeArgString("-m" + MarchString)); |
Sebastian Pop | 43115d4 | 2012-01-13 20:37:10 +0000 | [diff] [blame] | 5403 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5404 | if (buildingLib) { |
| 5405 | CmdArgs.push_back("-shared"); |
| 5406 | CmdArgs.push_back("-call_shared"); // should be the default, but doing as |
| 5407 | // hexagon-gcc does |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5408 | } |
| 5409 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5410 | if (hasStaticArg) |
| 5411 | CmdArgs.push_back("-static"); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5412 | |
Matthew Curtis | 33c95f1 | 2012-12-06 17:49:03 +0000 | [diff] [blame] | 5413 | if (buildPIE && !buildingLib) |
| 5414 | CmdArgs.push_back("-pie"); |
| 5415 | |
| 5416 | std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args); |
| 5417 | if (!SmallDataThreshold.empty()) { |
| 5418 | CmdArgs.push_back( |
| 5419 | Args.MakeArgString(std::string("-G") + SmallDataThreshold)); |
| 5420 | } |
| 5421 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5422 | //---------------------------------------------------------------------------- |
| 5423 | // |
| 5424 | //---------------------------------------------------------------------------- |
| 5425 | CmdArgs.push_back("-o"); |
| 5426 | CmdArgs.push_back(Output.getFilename()); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5427 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5428 | const std::string MarchSuffix = "/" + MarchString; |
| 5429 | const std::string G0Suffix = "/G0"; |
| 5430 | const std::string MarchG0Suffix = MarchSuffix + G0Suffix; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5431 | const std::string RootDir = |
| 5432 | toolchains::Hexagon_TC::GetGnuDir(D.InstalledDir, Args) + "/"; |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5433 | const std::string StartFilesDir = RootDir |
| 5434 | + "hexagon/lib" |
| 5435 | + (buildingLib |
| 5436 | ? MarchG0Suffix : MarchSuffix); |
| 5437 | |
| 5438 | //---------------------------------------------------------------------------- |
| 5439 | // moslib |
| 5440 | //---------------------------------------------------------------------------- |
| 5441 | std::vector<std::string> oslibs; |
| 5442 | bool hasStandalone= false; |
| 5443 | |
| 5444 | for (arg_iterator it = Args.filtered_begin(options::OPT_moslib_EQ), |
| 5445 | ie = Args.filtered_end(); it != ie; ++it) { |
| 5446 | (*it)->claim(); |
| 5447 | oslibs.push_back((*it)->getValue()); |
| 5448 | hasStandalone = hasStandalone || (oslibs.back() == "standalone"); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5449 | } |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5450 | if (oslibs.empty()) { |
| 5451 | oslibs.push_back("standalone"); |
| 5452 | hasStandalone = true; |
| 5453 | } |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5454 | |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5455 | //---------------------------------------------------------------------------- |
| 5456 | // Start Files |
| 5457 | //---------------------------------------------------------------------------- |
| 5458 | if (incStdLib && incStartFiles) { |
| 5459 | |
| 5460 | if (!buildingLib) { |
| 5461 | if (hasStandalone) { |
| 5462 | CmdArgs.push_back( |
| 5463 | Args.MakeArgString(StartFilesDir + "/crt0_standalone.o")); |
| 5464 | } |
| 5465 | CmdArgs.push_back(Args.MakeArgString(StartFilesDir + "/crt0.o")); |
| 5466 | } |
| 5467 | std::string initObj = useShared ? "/initS.o" : "/init.o"; |
| 5468 | CmdArgs.push_back(Args.MakeArgString(StartFilesDir + initObj)); |
| 5469 | } |
| 5470 | |
| 5471 | //---------------------------------------------------------------------------- |
| 5472 | // Library Search Paths |
| 5473 | //---------------------------------------------------------------------------- |
| 5474 | const ToolChain::path_list &LibPaths = ToolChain.getFilePaths(); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5475 | for (const auto &LibPath : LibPaths) |
| 5476 | CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath)); |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5477 | |
| 5478 | //---------------------------------------------------------------------------- |
| 5479 | // |
| 5480 | //---------------------------------------------------------------------------- |
| 5481 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 5482 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 5483 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 5484 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 5485 | Args.AddAllArgs(CmdArgs, options::OPT_u_Group); |
| 5486 | |
| 5487 | AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); |
| 5488 | |
| 5489 | //---------------------------------------------------------------------------- |
| 5490 | // Libraries |
| 5491 | //---------------------------------------------------------------------------- |
| 5492 | if (incStdLib && incDefLibs) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 5493 | if (D.CCCIsCXX()) { |
Matthew Curtis | 5fdf350 | 2012-12-06 15:46:07 +0000 | [diff] [blame] | 5494 | ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); |
| 5495 | CmdArgs.push_back("-lm"); |
| 5496 | } |
| 5497 | |
| 5498 | CmdArgs.push_back("--start-group"); |
| 5499 | |
| 5500 | if (!buildingLib) { |
| 5501 | for(std::vector<std::string>::iterator i = oslibs.begin(), |
| 5502 | e = oslibs.end(); i != e; ++i) |
| 5503 | CmdArgs.push_back(Args.MakeArgString("-l" + *i)); |
| 5504 | CmdArgs.push_back("-lc"); |
| 5505 | } |
| 5506 | CmdArgs.push_back("-lgcc"); |
| 5507 | |
| 5508 | CmdArgs.push_back("--end-group"); |
| 5509 | } |
| 5510 | |
| 5511 | //---------------------------------------------------------------------------- |
| 5512 | // End files |
| 5513 | //---------------------------------------------------------------------------- |
| 5514 | if (incStdLib && incStartFiles) { |
| 5515 | std::string finiObj = useShared ? "/finiS.o" : "/fini.o"; |
| 5516 | CmdArgs.push_back(Args.MakeArgString(StartFilesDir + finiObj)); |
| 5517 | } |
| 5518 | |
| 5519 | std::string Linker = ToolChain.GetProgramPath("hexagon-ld"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5520 | C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Linker), |
| 5521 | CmdArgs)); |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5522 | } |
| 5523 | // Hexagon tools end. |
| 5524 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5525 | /// Get the (LLVM) name of the minimum ARM CPU for the arch we are targeting. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5526 | const char *arm::getARMCPUForMArch(const ArgList &Args, |
| 5527 | const llvm::Triple &Triple) { |
| 5528 | StringRef MArch; |
| 5529 | if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { |
| 5530 | // Otherwise, if we have -march= choose the base CPU for that arch. |
| 5531 | MArch = A->getValue(); |
| 5532 | } else { |
| 5533 | // Otherwise, use the Arch from the triple. |
| 5534 | MArch = Triple.getArchName(); |
| 5535 | } |
| 5536 | |
| 5537 | // Handle -march=native. |
| 5538 | if (MArch == "native") { |
| 5539 | std::string CPU = llvm::sys::getHostCPUName(); |
| 5540 | if (CPU != "generic") { |
| 5541 | // Translate the native cpu into the architecture. The switch below will |
| 5542 | // then chose the minimum cpu for that arch. |
| 5543 | MArch = std::string("arm") + arm::getLLVMArchSuffixForARM(CPU); |
| 5544 | } |
| 5545 | } |
| 5546 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5547 | return Triple.getARMCPUForArch(MArch); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5548 | } |
| 5549 | |
| 5550 | /// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting. |
| 5551 | StringRef arm::getARMTargetCPU(const ArgList &Args, |
| 5552 | const llvm::Triple &Triple) { |
| 5553 | // FIXME: Warn on inconsistent use of -mcpu and -march. |
| 5554 | // If we have -mcpu=, use that. |
| 5555 | if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { |
| 5556 | StringRef MCPU = A->getValue(); |
| 5557 | // Handle -mcpu=native. |
| 5558 | if (MCPU == "native") |
| 5559 | return llvm::sys::getHostCPUName(); |
| 5560 | else |
| 5561 | return MCPU; |
| 5562 | } |
| 5563 | |
| 5564 | return getARMCPUForMArch(Args, Triple); |
| 5565 | } |
| 5566 | |
| 5567 | /// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular |
| 5568 | /// CPU. |
| 5569 | // |
| 5570 | // FIXME: This is redundant with -mcpu, why does LLVM use this. |
| 5571 | // FIXME: tblgen this, or kill it! |
| 5572 | const char *arm::getLLVMArchSuffixForARM(StringRef CPU) { |
| 5573 | return llvm::StringSwitch<const char *>(CPU) |
| 5574 | .Case("strongarm", "v4") |
| 5575 | .Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t") |
| 5576 | .Cases("arm720t", "arm9", "arm9tdmi", "v4t") |
| 5577 | .Cases("arm920", "arm920t", "arm922t", "v4t") |
| 5578 | .Cases("arm940t", "ep9312","v4t") |
| 5579 | .Cases("arm10tdmi", "arm1020t", "v5") |
| 5580 | .Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e") |
| 5581 | .Cases("arm966e-s", "arm968e-s", "arm10e", "v5e") |
| 5582 | .Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e") |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 5583 | .Cases("arm1136j-s", "arm1136jf-s", "v6") |
| 5584 | .Cases("arm1176jz-s", "arm1176jzf-s", "v6k") |
| 5585 | .Cases("mpcorenovfp", "mpcore", "v6k") |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5586 | .Cases("arm1156t2-s", "arm1156t2f-s", "v6t2") |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5587 | .Cases("cortex-a5", "cortex-a7", "cortex-a8", "v7") |
| 5588 | .Cases("cortex-a9", "cortex-a12", "cortex-a15", "cortex-a17", "krait", "v7") |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5589 | .Cases("cortex-r4", "cortex-r5", "cortex-r7", "v7r") |
| 5590 | .Cases("sc000", "cortex-m0", "cortex-m0plus", "cortex-m1", "v6m") |
| 5591 | .Cases("sc300", "cortex-m3", "v7m") |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5592 | .Cases("cortex-m4", "cortex-m7", "v7em") |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5593 | .Case("swift", "v7s") |
| 5594 | .Case("cyclone", "v8") |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5595 | .Cases("cortex-a53", "cortex-a57", "cortex-a72", "v8") |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5596 | .Default(""); |
| 5597 | } |
| 5598 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5599 | void arm::appendEBLinkFlags(const ArgList &Args, ArgStringList &CmdArgs, const llvm::Triple &Triple) { |
| 5600 | if (Args.hasArg(options::OPT_r)) |
| 5601 | return; |
| 5602 | |
| 5603 | StringRef Suffix = getLLVMArchSuffixForARM(getARMCPUForMArch(Args, Triple)); |
| 5604 | const char *LinkFlag = llvm::StringSwitch<const char *>(Suffix) |
| 5605 | .Cases("v4", "v4t", "v5", "v5e", nullptr) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 5606 | .Cases("v6", "v6k", "v6t2", nullptr) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5607 | .Default("--be8"); |
| 5608 | |
| 5609 | if (LinkFlag) |
| 5610 | CmdArgs.push_back(LinkFlag); |
| 5611 | } |
| 5612 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5613 | bool mips::hasMipsAbiArg(const ArgList &Args, const char *Value) { |
| 5614 | Arg *A = Args.getLastArg(options::OPT_mabi_EQ); |
| 5615 | return A && (A->getValue() == StringRef(Value)); |
| 5616 | } |
| 5617 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5618 | bool mips::isUCLibc(const ArgList &Args) { |
| 5619 | Arg *A = Args.getLastArg(options::OPT_m_libc_Group); |
| 5620 | return A && A->getOption().matches(options::OPT_muclibc); |
| 5621 | } |
| 5622 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5623 | bool mips::isNaN2008(const ArgList &Args, const llvm::Triple &Triple) { |
| 5624 | if (Arg *NaNArg = Args.getLastArg(options::OPT_mnan_EQ)) |
| 5625 | return llvm::StringSwitch<bool>(NaNArg->getValue()) |
| 5626 | .Case("2008", true) |
| 5627 | .Case("legacy", false) |
| 5628 | .Default(false); |
| 5629 | |
| 5630 | // NaN2008 is the default for MIPS32r6/MIPS64r6. |
| 5631 | return llvm::StringSwitch<bool>(getCPUName(Args, Triple)) |
| 5632 | .Cases("mips32r6", "mips64r6", true) |
| 5633 | .Default(false); |
| 5634 | |
| 5635 | return false; |
| 5636 | } |
| 5637 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5638 | bool mips::isFPXXDefault(const llvm::Triple &Triple, StringRef CPUName, |
| 5639 | StringRef ABIName) { |
| 5640 | if (Triple.getVendor() != llvm::Triple::ImaginationTechnologies && |
| 5641 | Triple.getVendor() != llvm::Triple::MipsTechnologies) |
| 5642 | return false; |
| 5643 | |
| 5644 | if (ABIName != "32") |
| 5645 | return false; |
| 5646 | |
| 5647 | return llvm::StringSwitch<bool>(CPUName) |
| 5648 | .Cases("mips2", "mips3", "mips4", "mips5", true) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5649 | .Cases("mips32", "mips32r2", "mips32r3", "mips32r5", true) |
| 5650 | .Cases("mips64", "mips64r2", "mips64r3", "mips64r5", true) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5651 | .Default(false); |
| 5652 | } |
| 5653 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5654 | llvm::Triple::ArchType darwin::getArchTypeForMachOArchName(StringRef Str) { |
Rafael Espindola | cfed828 | 2012-10-31 18:51:07 +0000 | [diff] [blame] | 5655 | // See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for |
| 5656 | // archs which Darwin doesn't use. |
| 5657 | |
| 5658 | // The matching this routine does is fairly pointless, since it is neither the |
| 5659 | // complete architecture list, nor a reasonable subset. The problem is that |
| 5660 | // historically the driver driver accepts this and also ties its -march= |
| 5661 | // handling to the architecture name, so we need to be careful before removing |
| 5662 | // support for it. |
| 5663 | |
| 5664 | // This code must be kept in sync with Clang's Darwin specific argument |
| 5665 | // translation. |
| 5666 | |
| 5667 | return llvm::StringSwitch<llvm::Triple::ArchType>(Str) |
| 5668 | .Cases("ppc", "ppc601", "ppc603", "ppc604", "ppc604e", llvm::Triple::ppc) |
| 5669 | .Cases("ppc750", "ppc7400", "ppc7450", "ppc970", llvm::Triple::ppc) |
| 5670 | .Case("ppc64", llvm::Triple::ppc64) |
| 5671 | .Cases("i386", "i486", "i486SX", "i586", "i686", llvm::Triple::x86) |
| 5672 | .Cases("pentium", "pentpro", "pentIIm3", "pentIIm5", "pentium4", |
| 5673 | llvm::Triple::x86) |
Jim Grosbach | 32ca73e | 2013-11-16 00:53:35 +0000 | [diff] [blame] | 5674 | .Cases("x86_64", "x86_64h", llvm::Triple::x86_64) |
Rafael Espindola | cfed828 | 2012-10-31 18:51:07 +0000 | [diff] [blame] | 5675 | // This is derived from the driver driver. |
Bob Wilson | 2503ebd | 2013-03-04 22:37:49 +0000 | [diff] [blame] | 5676 | .Cases("arm", "armv4t", "armv5", "armv6", "armv6m", llvm::Triple::arm) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5677 | .Cases("armv7", "armv7em", "armv7k", "armv7m", llvm::Triple::arm) |
Bob Wilson | 2503ebd | 2013-03-04 22:37:49 +0000 | [diff] [blame] | 5678 | .Cases("armv7s", "xscale", llvm::Triple::arm) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5679 | .Case("arm64", llvm::Triple::aarch64) |
Rafael Espindola | cfed828 | 2012-10-31 18:51:07 +0000 | [diff] [blame] | 5680 | .Case("r600", llvm::Triple::r600) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5681 | .Case("amdgcn", llvm::Triple::amdgcn) |
Rafael Espindola | cfed828 | 2012-10-31 18:51:07 +0000 | [diff] [blame] | 5682 | .Case("nvptx", llvm::Triple::nvptx) |
| 5683 | .Case("nvptx64", llvm::Triple::nvptx64) |
| 5684 | .Case("amdil", llvm::Triple::amdil) |
| 5685 | .Case("spir", llvm::Triple::spir) |
| 5686 | .Default(llvm::Triple::UnknownArch); |
| 5687 | } |
Tony Linthicum | 9631939 | 2011-12-12 21:14:55 +0000 | [diff] [blame] | 5688 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5689 | void darwin::setTripleTypeForMachOArchName(llvm::Triple &T, StringRef Str) { |
| 5690 | llvm::Triple::ArchType Arch = getArchTypeForMachOArchName(Str); |
| 5691 | T.setArch(Arch); |
| 5692 | |
| 5693 | if (Str == "x86_64h") |
| 5694 | T.setArchName(Str); |
| 5695 | else if (Str == "armv6m" || Str == "armv7m" || Str == "armv7em") { |
| 5696 | T.setOS(llvm::Triple::UnknownOS); |
| 5697 | T.setObjectFormat(llvm::Triple::MachO); |
| 5698 | } |
| 5699 | } |
| 5700 | |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 5701 | const char *Clang::getBaseInputName(const ArgList &Args, |
| 5702 | const InputInfoList &Inputs) { |
Michael J. Spencer | 472ccff | 2010-12-18 00:19:12 +0000 | [diff] [blame] | 5703 | return Args.MakeArgString( |
| 5704 | llvm::sys::path::filename(Inputs[0].getBaseInput())); |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5705 | } |
| 5706 | |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 5707 | const char *Clang::getBaseInputStem(const ArgList &Args, |
| 5708 | const InputInfoList &Inputs) { |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5709 | const char *Str = getBaseInputName(Args, Inputs); |
| 5710 | |
Chris Lattner | 657ca66 | 2011-01-16 08:14:11 +0000 | [diff] [blame] | 5711 | if (const char *End = strrchr(Str, '.')) |
Daniel Dunbar | 8813764 | 2009-09-09 22:32:48 +0000 | [diff] [blame] | 5712 | return Args.MakeArgString(std::string(Str, End)); |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5713 | |
| 5714 | return Str; |
| 5715 | } |
| 5716 | |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 5717 | const char *Clang::getDependencyFileName(const ArgList &Args, |
| 5718 | const InputInfoList &Inputs) { |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5719 | // FIXME: Think about this more. |
| 5720 | std::string Res; |
| 5721 | |
| 5722 | if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 5723 | std::string Str(OutputOpt->getValue()); |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5724 | Res = Str.substr(0, Str.rfind('.')); |
Chad Rosier | 3060178 | 2011-08-17 23:08:45 +0000 | [diff] [blame] | 5725 | } else { |
Bob Wilson | 66b8a66 | 2012-11-23 06:14:39 +0000 | [diff] [blame] | 5726 | Res = getBaseInputStem(Args, Inputs); |
Chad Rosier | 3060178 | 2011-08-17 23:08:45 +0000 | [diff] [blame] | 5727 | } |
Daniel Dunbar | 8813764 | 2009-09-09 22:32:48 +0000 | [diff] [blame] | 5728 | return Args.MakeArgString(Res + ".d"); |
Daniel Dunbar | a3ec60e | 2009-03-29 18:40:18 +0000 | [diff] [blame] | 5729 | } |
| 5730 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 5731 | void cloudabi::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 5732 | const InputInfo &Output, |
| 5733 | const InputInfoList &Inputs, |
| 5734 | const ArgList &Args, |
| 5735 | const char *LinkingOutput) const { |
| 5736 | const ToolChain &ToolChain = getToolChain(); |
| 5737 | const Driver &D = ToolChain.getDriver(); |
| 5738 | ArgStringList CmdArgs; |
| 5739 | |
| 5740 | // Silence warning for "clang -g foo.o -o foo" |
| 5741 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 5742 | // and "clang -emit-llvm foo.o -o foo" |
| 5743 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
| 5744 | // and for "clang -w foo.o -o foo". Other warning options are already |
| 5745 | // handled somewhere else. |
| 5746 | Args.ClaimAllArgs(options::OPT_w); |
| 5747 | |
| 5748 | if (!D.SysRoot.empty()) |
| 5749 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
| 5750 | |
| 5751 | // CloudABI only supports static linkage. |
| 5752 | CmdArgs.push_back("-Bstatic"); |
| 5753 | CmdArgs.push_back("--eh-frame-hdr"); |
| 5754 | CmdArgs.push_back("--gc-sections"); |
| 5755 | |
| 5756 | if (Output.isFilename()) { |
| 5757 | CmdArgs.push_back("-o"); |
| 5758 | CmdArgs.push_back(Output.getFilename()); |
| 5759 | } else { |
| 5760 | assert(Output.isNothing() && "Invalid output."); |
| 5761 | } |
| 5762 | |
| 5763 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 5764 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 5765 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o"))); |
| 5766 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o"))); |
| 5767 | } |
| 5768 | |
| 5769 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 5770 | const ToolChain::path_list &Paths = ToolChain.getFilePaths(); |
| 5771 | for (const auto &Path : Paths) |
| 5772 | CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); |
| 5773 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 5774 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 5775 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 5776 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 5777 | Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); |
| 5778 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
| 5779 | |
| 5780 | if (D.IsUsingLTO(ToolChain, Args)) |
| 5781 | AddGoldPlugin(ToolChain, Args, CmdArgs); |
| 5782 | |
| 5783 | AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); |
| 5784 | |
| 5785 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 5786 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
| 5787 | if (D.CCCIsCXX()) |
| 5788 | ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); |
| 5789 | CmdArgs.push_back("-lc"); |
| 5790 | CmdArgs.push_back("-lcompiler_rt"); |
| 5791 | } |
| 5792 | |
| 5793 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 5794 | !Args.hasArg(options::OPT_nostartfiles)) |
| 5795 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o"))); |
| 5796 | |
| 5797 | const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath()); |
| 5798 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
| 5799 | } |
| 5800 | |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5801 | void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 5802 | const InputInfo &Output, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5803 | const InputInfoList &Inputs, |
| 5804 | const ArgList &Args, |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5805 | const char *LinkingOutput) const { |
| 5806 | ArgStringList CmdArgs; |
| 5807 | |
| 5808 | assert(Inputs.size() == 1 && "Unexpected number of inputs."); |
| 5809 | const InputInfo &Input = Inputs[0]; |
| 5810 | |
Daniel Dunbar | 34bac1f | 2011-04-12 23:59:20 +0000 | [diff] [blame] | 5811 | // Determine the original source input. |
| 5812 | const Action *SourceAction = &JA; |
| 5813 | while (SourceAction->getKind() != Action::InputClass) { |
| 5814 | assert(!SourceAction->getInputs().empty() && "unexpected root action!"); |
| 5815 | SourceAction = SourceAction->getInputs()[0]; |
| 5816 | } |
| 5817 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5818 | // If -fno_integrated_as is used add -Q to the darwin assember driver to make |
Kevin Enderby | 6efcf6f | 2013-11-18 23:30:29 +0000 | [diff] [blame] | 5819 | // sure it runs its system assembler not clang's integrated assembler. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5820 | // Applicable to darwin11+ and Xcode 4+. darwin<10 lacked integrated-as. |
| 5821 | // FIXME: at run-time detect assembler capabilities or rely on version |
| 5822 | // information forwarded by -target-assembler-version (future) |
| 5823 | if (Args.hasArg(options::OPT_fno_integrated_as)) { |
| 5824 | const llvm::Triple &T(getToolChain().getTriple()); |
| 5825 | if (!(T.isMacOSX() && T.isMacOSXVersionLT(10, 7))) |
| 5826 | CmdArgs.push_back("-Q"); |
| 5827 | } |
Kevin Enderby | 6efcf6f | 2013-11-18 23:30:29 +0000 | [diff] [blame] | 5828 | |
Daniel Dunbar | 34bac1f | 2011-04-12 23:59:20 +0000 | [diff] [blame] | 5829 | // Forward -g, assuming we are dealing with an actual assembly file. |
Eric Christopher | 88b7cf0 | 2011-08-19 00:30:14 +0000 | [diff] [blame] | 5830 | if (SourceAction->getType() == types::TY_Asm || |
Daniel Dunbar | 34bac1f | 2011-04-12 23:59:20 +0000 | [diff] [blame] | 5831 | SourceAction->getType() == types::TY_PP_Asm) { |
Daniel Dunbar | 8e4fea6 | 2009-04-01 00:27:44 +0000 | [diff] [blame] | 5832 | if (Args.hasArg(options::OPT_gstabs)) |
| 5833 | CmdArgs.push_back("--gstabs"); |
| 5834 | else if (Args.hasArg(options::OPT_g_Group)) |
Bob Wilson | 591ff15 | 2011-11-02 05:10:45 +0000 | [diff] [blame] | 5835 | CmdArgs.push_back("-g"); |
Daniel Dunbar | 8e4fea6 | 2009-04-01 00:27:44 +0000 | [diff] [blame] | 5836 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5837 | |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5838 | // Derived from asm spec. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5839 | AddMachOArch(Args, CmdArgs); |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5840 | |
Daniel Dunbar | f5438e3 | 2010-07-22 01:47:22 +0000 | [diff] [blame] | 5841 | // Use -force_cpusubtype_ALL on x86 by default. |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 5842 | if (getToolChain().getArch() == llvm::Triple::x86 || |
| 5843 | getToolChain().getArch() == llvm::Triple::x86_64 || |
Daniel Dunbar | cc6f803 | 2009-09-09 18:36:27 +0000 | [diff] [blame] | 5844 | Args.hasArg(options::OPT_force__cpusubtype__ALL)) |
| 5845 | CmdArgs.push_back("-force_cpusubtype_ALL"); |
| 5846 | |
Eli Bendersky | 8f4269a | 2013-07-24 22:20:49 +0000 | [diff] [blame] | 5847 | if (getToolChain().getArch() != llvm::Triple::x86_64 && |
Daniel Dunbar | 7a0c064 | 2012-10-15 22:23:53 +0000 | [diff] [blame] | 5848 | (((Args.hasArg(options::OPT_mkernel) || |
Eric Christopher | 59320e7 | 2013-02-21 22:35:01 +0000 | [diff] [blame] | 5849 | Args.hasArg(options::OPT_fapple_kext)) && |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5850 | getMachOToolChain().isKernelStatic()) || |
Daniel Dunbar | 7a0c064 | 2012-10-15 22:23:53 +0000 | [diff] [blame] | 5851 | Args.hasArg(options::OPT_static))) |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5852 | CmdArgs.push_back("-static"); |
| 5853 | |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5854 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 5855 | options::OPT_Xassembler); |
| 5856 | |
| 5857 | assert(Output.isFilename() && "Unexpected lipo output."); |
| 5858 | CmdArgs.push_back("-o"); |
| 5859 | CmdArgs.push_back(Output.getFilename()); |
| 5860 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 5861 | assert(Input.isFilename() && "Invalid input."); |
| 5862 | CmdArgs.push_back(Input.getFilename()); |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5863 | |
| 5864 | // asm_final spec is empty. |
| 5865 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5866 | const char *Exec = |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 5867 | Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 5868 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 8cac5f7 | 2009-03-20 16:06:39 +0000 | [diff] [blame] | 5869 | } |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 5870 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5871 | void darwin::MachOTool::anchor() {} |
David Blaikie | 99ba9e3 | 2011-12-20 02:48:34 +0000 | [diff] [blame] | 5872 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5873 | void darwin::MachOTool::AddMachOArch(const ArgList &Args, |
| 5874 | ArgStringList &CmdArgs) const { |
| 5875 | StringRef ArchName = getMachOToolChain().getMachOArchName(Args); |
Daniel Dunbar | eeff406 | 2010-01-22 02:04:58 +0000 | [diff] [blame] | 5876 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5877 | // Derived from darwin_arch spec. |
| 5878 | CmdArgs.push_back("-arch"); |
Daniel Dunbar | eeff406 | 2010-01-22 02:04:58 +0000 | [diff] [blame] | 5879 | CmdArgs.push_back(Args.MakeArgString(ArchName)); |
Daniel Dunbar | 78dbd58 | 2009-09-04 18:35:31 +0000 | [diff] [blame] | 5880 | |
Daniel Dunbar | eeff406 | 2010-01-22 02:04:58 +0000 | [diff] [blame] | 5881 | // FIXME: Is this needed anymore? |
| 5882 | if (ArchName == "arm") |
Daniel Dunbar | 78dbd58 | 2009-09-04 18:35:31 +0000 | [diff] [blame] | 5883 | CmdArgs.push_back("-force_cpusubtype_ALL"); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5884 | } |
| 5885 | |
Bill Wendling | 6acf8b4 | 2012-10-02 18:02:50 +0000 | [diff] [blame] | 5886 | bool darwin::Link::NeedsTempPath(const InputInfoList &Inputs) const { |
| 5887 | // We only need to generate a temp path for LTO if we aren't compiling object |
| 5888 | // files. When compiling source files, we run 'dsymutil' after linking. We |
| 5889 | // don't run 'dsymutil' when compiling object files. |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 5890 | for (const auto &Input : Inputs) |
| 5891 | if (Input.getType() != types::TY_Object) |
Bill Wendling | 6acf8b4 | 2012-10-02 18:02:50 +0000 | [diff] [blame] | 5892 | return true; |
| 5893 | |
| 5894 | return false; |
| 5895 | } |
| 5896 | |
Daniel Dunbar | 748de8e | 2010-09-09 21:51:05 +0000 | [diff] [blame] | 5897 | void darwin::Link::AddLinkArgs(Compilation &C, |
| 5898 | const ArgList &Args, |
Bill Wendling | 6acf8b4 | 2012-10-02 18:02:50 +0000 | [diff] [blame] | 5899 | ArgStringList &CmdArgs, |
| 5900 | const InputInfoList &Inputs) const { |
Daniel Dunbar | ee788e7 | 2009-12-21 18:54:17 +0000 | [diff] [blame] | 5901 | const Driver &D = getToolChain().getDriver(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5902 | const toolchains::MachO &MachOTC = getMachOToolChain(); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5903 | |
Daniel Dunbar | b18dc5b | 2010-08-11 23:07:50 +0000 | [diff] [blame] | 5904 | unsigned Version[3] = { 0, 0, 0 }; |
| 5905 | if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) { |
| 5906 | bool HadExtra; |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 5907 | if (!Driver::GetReleaseVersion(A->getValue(), Version[0], |
Daniel Dunbar | b18dc5b | 2010-08-11 23:07:50 +0000 | [diff] [blame] | 5908 | Version[1], Version[2], HadExtra) || |
| 5909 | HadExtra) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5910 | D.Diag(diag::err_drv_invalid_version_number) |
Daniel Dunbar | b18dc5b | 2010-08-11 23:07:50 +0000 | [diff] [blame] | 5911 | << A->getAsString(Args); |
| 5912 | } |
| 5913 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5914 | // Newer linkers support -demangle. Pass it if supported and not disabled by |
Daniel Dunbar | b18dc5b | 2010-08-11 23:07:50 +0000 | [diff] [blame] | 5915 | // the user. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5916 | if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) |
| 5917 | CmdArgs.push_back("-demangle"); |
Daniel Dunbar | b18dc5b | 2010-08-11 23:07:50 +0000 | [diff] [blame] | 5918 | |
Bob Wilson | bd77c59 | 2013-08-02 22:25:34 +0000 | [diff] [blame] | 5919 | if (Args.hasArg(options::OPT_rdynamic) && Version[0] >= 137) |
| 5920 | CmdArgs.push_back("-export_dynamic"); |
| 5921 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 5922 | // If we are using App Extension restrictions, pass a flag to the linker |
| 5923 | // telling it that the compiled code has been audited. |
| 5924 | if (Args.hasFlag(options::OPT_fapplication_extension, |
| 5925 | options::OPT_fno_application_extension, false)) |
| 5926 | CmdArgs.push_back("-application_extension"); |
| 5927 | |
Bill Wendling | c35f908 | 2012-11-16 23:03:00 +0000 | [diff] [blame] | 5928 | // If we are using LTO, then automatically create a temporary file path for |
| 5929 | // the linker to use, so that it's lifetime will extend past a possible |
| 5930 | // dsymutil step. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 5931 | if (Version[0] >= 116 && D.IsUsingLTO(getToolChain(), Args) && |
| 5932 | NeedsTempPath(Inputs)) { |
Bill Wendling | c35f908 | 2012-11-16 23:03:00 +0000 | [diff] [blame] | 5933 | const char *TmpPath = C.getArgs().MakeArgString( |
| 5934 | D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object))); |
| 5935 | C.addTempFile(TmpPath); |
| 5936 | CmdArgs.push_back("-object_path_lto"); |
| 5937 | CmdArgs.push_back(TmpPath); |
Daniel Dunbar | 5bfa656 | 2011-06-21 20:55:11 +0000 | [diff] [blame] | 5938 | } |
| 5939 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5940 | // Derived from the "link" spec. |
| 5941 | Args.AddAllArgs(CmdArgs, options::OPT_static); |
| 5942 | if (!Args.hasArg(options::OPT_static)) |
| 5943 | CmdArgs.push_back("-dynamic"); |
| 5944 | if (Args.hasArg(options::OPT_fgnu_runtime)) { |
| 5945 | // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu |
| 5946 | // here. How do we wish to handle such things? |
| 5947 | } |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5948 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5949 | if (!Args.hasArg(options::OPT_dynamiclib)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5950 | AddMachOArch(Args, CmdArgs); |
Daniel Dunbar | a6d3849 | 2010-01-22 02:04:52 +0000 | [diff] [blame] | 5951 | // FIXME: Why do this only on this path? |
Daniel Dunbar | 8917dd4 | 2010-01-22 03:37:33 +0000 | [diff] [blame] | 5952 | Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5953 | |
| 5954 | Args.AddLastArg(CmdArgs, options::OPT_bundle); |
| 5955 | Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader); |
| 5956 | Args.AddAllArgs(CmdArgs, options::OPT_client__name); |
| 5957 | |
| 5958 | Arg *A; |
| 5959 | if ((A = Args.getLastArg(options::OPT_compatibility__version)) || |
| 5960 | (A = Args.getLastArg(options::OPT_current__version)) || |
| 5961 | (A = Args.getLastArg(options::OPT_install__name))) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5962 | D.Diag(diag::err_drv_argument_only_allowed_with) |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5963 | << A->getAsString(Args) << "-dynamiclib"; |
| 5964 | |
| 5965 | Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace); |
| 5966 | Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs); |
| 5967 | Args.AddLastArg(CmdArgs, options::OPT_private__bundle); |
| 5968 | } else { |
| 5969 | CmdArgs.push_back("-dylib"); |
| 5970 | |
| 5971 | Arg *A; |
| 5972 | if ((A = Args.getLastArg(options::OPT_bundle)) || |
| 5973 | (A = Args.getLastArg(options::OPT_bundle__loader)) || |
| 5974 | (A = Args.getLastArg(options::OPT_client__name)) || |
| 5975 | (A = Args.getLastArg(options::OPT_force__flat__namespace)) || |
| 5976 | (A = Args.getLastArg(options::OPT_keep__private__externs)) || |
| 5977 | (A = Args.getLastArg(options::OPT_private__bundle))) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5978 | D.Diag(diag::err_drv_argument_not_allowed_with) |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5979 | << A->getAsString(Args) << "-dynamiclib"; |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 5980 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5981 | Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version, |
| 5982 | "-dylib_compatibility_version"); |
| 5983 | Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version, |
| 5984 | "-dylib_current_version"); |
| 5985 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5986 | AddMachOArch(Args, CmdArgs); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5987 | |
| 5988 | Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name, |
| 5989 | "-dylib_install_name"); |
| 5990 | } |
| 5991 | |
| 5992 | Args.AddLastArg(CmdArgs, options::OPT_all__load); |
| 5993 | Args.AddAllArgs(CmdArgs, options::OPT_allowable__client); |
| 5994 | Args.AddLastArg(CmdArgs, options::OPT_bind__at__load); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 5995 | if (MachOTC.isTargetIOSBased()) |
Daniel Dunbar | d82f8fa | 2009-09-04 18:35:41 +0000 | [diff] [blame] | 5996 | Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 5997 | Args.AddLastArg(CmdArgs, options::OPT_dead__strip); |
| 5998 | Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms); |
| 5999 | Args.AddAllArgs(CmdArgs, options::OPT_dylib__file); |
| 6000 | Args.AddLastArg(CmdArgs, options::OPT_dynamic); |
| 6001 | Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list); |
| 6002 | Args.AddLastArg(CmdArgs, options::OPT_flat__namespace); |
Daniel Dunbar | 99ca47b | 2011-06-28 20:16:02 +0000 | [diff] [blame] | 6003 | Args.AddAllArgs(CmdArgs, options::OPT_force__load); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6004 | Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names); |
| 6005 | Args.AddAllArgs(CmdArgs, options::OPT_image__base); |
| 6006 | Args.AddAllArgs(CmdArgs, options::OPT_init); |
| 6007 | |
Daniel Dunbar | ce911f5 | 2011-04-28 21:23:41 +0000 | [diff] [blame] | 6008 | // Add the deployment target. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6009 | MachOTC.addMinVersionArgs(Args, CmdArgs); |
Daniel Dunbar | ce911f5 | 2011-04-28 21:23:41 +0000 | [diff] [blame] | 6010 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6011 | Args.AddLastArg(CmdArgs, options::OPT_nomultidefs); |
| 6012 | Args.AddLastArg(CmdArgs, options::OPT_multi__module); |
| 6013 | Args.AddLastArg(CmdArgs, options::OPT_single__module); |
| 6014 | Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined); |
| 6015 | Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6016 | |
Daniel Dunbar | 47e879d | 2010-07-13 23:31:40 +0000 | [diff] [blame] | 6017 | if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE, |
| 6018 | options::OPT_fno_pie, |
| 6019 | options::OPT_fno_PIE)) { |
| 6020 | if (A->getOption().matches(options::OPT_fpie) || |
| 6021 | A->getOption().matches(options::OPT_fPIE)) |
| 6022 | CmdArgs.push_back("-pie"); |
| 6023 | else |
| 6024 | CmdArgs.push_back("-no_pie"); |
| 6025 | } |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6026 | |
| 6027 | Args.AddLastArg(CmdArgs, options::OPT_prebind); |
| 6028 | Args.AddLastArg(CmdArgs, options::OPT_noprebind); |
| 6029 | Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding); |
| 6030 | Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules); |
| 6031 | Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs); |
| 6032 | Args.AddAllArgs(CmdArgs, options::OPT_sectcreate); |
| 6033 | Args.AddAllArgs(CmdArgs, options::OPT_sectorder); |
| 6034 | Args.AddAllArgs(CmdArgs, options::OPT_seg1addr); |
| 6035 | Args.AddAllArgs(CmdArgs, options::OPT_segprot); |
| 6036 | Args.AddAllArgs(CmdArgs, options::OPT_segaddr); |
| 6037 | Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr); |
| 6038 | Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr); |
| 6039 | Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table); |
| 6040 | Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename); |
| 6041 | Args.AddAllArgs(CmdArgs, options::OPT_sub__library); |
| 6042 | Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella); |
Daniel Dunbar | d82f8fa | 2009-09-04 18:35:41 +0000 | [diff] [blame] | 6043 | |
Daniel Dunbar | cc95719 | 2011-05-02 21:03:47 +0000 | [diff] [blame] | 6044 | // Give --sysroot= preference, over the Apple specific behavior to also use |
| 6045 | // --isysroot as the syslibroot. |
Sebastian Pop | 4762a2d | 2012-04-16 04:16:43 +0000 | [diff] [blame] | 6046 | StringRef sysroot = C.getSysRoot(); |
| 6047 | if (sysroot != "") { |
Daniel Dunbar | cc95719 | 2011-05-02 21:03:47 +0000 | [diff] [blame] | 6048 | CmdArgs.push_back("-syslibroot"); |
Sebastian Pop | 4762a2d | 2012-04-16 04:16:43 +0000 | [diff] [blame] | 6049 | CmdArgs.push_back(C.getArgs().MakeArgString(sysroot)); |
Daniel Dunbar | cc95719 | 2011-05-02 21:03:47 +0000 | [diff] [blame] | 6050 | } else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) { |
| 6051 | CmdArgs.push_back("-syslibroot"); |
Richard Smith | 1d489cf | 2012-11-01 04:30:05 +0000 | [diff] [blame] | 6052 | CmdArgs.push_back(A->getValue()); |
Daniel Dunbar | d82f8fa | 2009-09-04 18:35:41 +0000 | [diff] [blame] | 6053 | } |
| 6054 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6055 | Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace); |
| 6056 | Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints); |
| 6057 | Args.AddAllArgs(CmdArgs, options::OPT_umbrella); |
| 6058 | Args.AddAllArgs(CmdArgs, options::OPT_undefined); |
| 6059 | Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list); |
Daniel Dunbar | d82f8fa | 2009-09-04 18:35:41 +0000 | [diff] [blame] | 6060 | Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6061 | Args.AddLastArg(CmdArgs, options::OPT_X_Flag); |
| 6062 | Args.AddAllArgs(CmdArgs, options::OPT_y); |
| 6063 | Args.AddLastArg(CmdArgs, options::OPT_w); |
| 6064 | Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size); |
| 6065 | Args.AddAllArgs(CmdArgs, options::OPT_segs__read__); |
| 6066 | Args.AddLastArg(CmdArgs, options::OPT_seglinkedit); |
| 6067 | Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit); |
| 6068 | Args.AddAllArgs(CmdArgs, options::OPT_sectalign); |
| 6069 | Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols); |
| 6070 | Args.AddAllArgs(CmdArgs, options::OPT_segcreate); |
| 6071 | Args.AddLastArg(CmdArgs, options::OPT_whyload); |
| 6072 | Args.AddLastArg(CmdArgs, options::OPT_whatsloaded); |
| 6073 | Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name); |
| 6074 | Args.AddLastArg(CmdArgs, options::OPT_dylinker); |
| 6075 | Args.AddLastArg(CmdArgs, options::OPT_Mach); |
| 6076 | } |
| 6077 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6078 | enum LibOpenMP { |
| 6079 | LibUnknown, |
| 6080 | LibGOMP, |
| 6081 | LibIOMP5 |
| 6082 | }; |
| 6083 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6084 | void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6085 | const InputInfo &Output, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6086 | const InputInfoList &Inputs, |
| 6087 | const ArgList &Args, |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6088 | const char *LinkingOutput) const { |
| 6089 | assert(Output.getType() == types::TY_Image && "Invalid linker output type."); |
Daniel Dunbar | e0be8b1 | 2009-09-08 16:39:16 +0000 | [diff] [blame] | 6090 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6091 | // If the number of arguments surpasses the system limits, we will encode the |
| 6092 | // input files in a separate file, shortening the command line. To this end, |
| 6093 | // build a list of input file names that can be passed via a file with the |
| 6094 | // -filelist linker option. |
| 6095 | llvm::opt::ArgStringList InputFileList; |
| 6096 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6097 | // The logic here is derived from gcc's behavior; most of which |
| 6098 | // comes from specs (starting with link_command). Consult gcc for |
| 6099 | // more information. |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6100 | ArgStringList CmdArgs; |
| 6101 | |
Argyrios Kyrtzidis | 2289717 | 2011-10-07 22:58:08 +0000 | [diff] [blame] | 6102 | /// Hack(tm) to ignore linking errors when we are doing ARC migration. |
| 6103 | if (Args.hasArg(options::OPT_ccc_arcmt_check, |
| 6104 | options::OPT_ccc_arcmt_migrate)) { |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6105 | for (const auto &Arg : Args) |
| 6106 | Arg->claim(); |
Argyrios Kyrtzidis | 2289717 | 2011-10-07 22:58:08 +0000 | [diff] [blame] | 6107 | const char *Exec = |
| 6108 | Args.MakeArgString(getToolChain().GetProgramPath("touch")); |
| 6109 | CmdArgs.push_back(Output.getFilename()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6110 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Argyrios Kyrtzidis | 2289717 | 2011-10-07 22:58:08 +0000 | [diff] [blame] | 6111 | return; |
| 6112 | } |
| 6113 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6114 | // I'm not sure why this particular decomposition exists in gcc, but |
| 6115 | // we follow suite for ease of comparison. |
Bill Wendling | 6acf8b4 | 2012-10-02 18:02:50 +0000 | [diff] [blame] | 6116 | AddLinkArgs(C, Args, CmdArgs, Inputs); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6117 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6118 | Args.AddAllArgs(CmdArgs, options::OPT_d_Flag); |
| 6119 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 6120 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 6121 | Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); |
| 6122 | Args.AddAllArgs(CmdArgs, options::OPT_u_Group); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6123 | Args.AddLastArg(CmdArgs, options::OPT_e); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6124 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
| 6125 | |
Daniel Dunbar | 270073c | 2010-10-18 22:08:36 +0000 | [diff] [blame] | 6126 | // Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading |
| 6127 | // members of static archive libraries which implement Objective-C classes or |
| 6128 | // categories. |
| 6129 | if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX)) |
| 6130 | CmdArgs.push_back("-ObjC"); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 6131 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6132 | CmdArgs.push_back("-o"); |
| 6133 | CmdArgs.push_back(Output.getFilename()); |
| 6134 | |
Chad Rosier | 1893731 | 2012-05-16 23:45:12 +0000 | [diff] [blame] | 6135 | if (!Args.hasArg(options::OPT_nostdlib) && |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6136 | !Args.hasArg(options::OPT_nostartfiles)) |
| 6137 | getMachOToolChain().addStartObjectFileArgs(Args, CmdArgs); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6138 | |
| 6139 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6140 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6141 | LibOpenMP UsedOpenMPLib = LibUnknown; |
| 6142 | if (Args.hasArg(options::OPT_fopenmp)) { |
| 6143 | UsedOpenMPLib = LibGOMP; |
| 6144 | } else if (const Arg *A = Args.getLastArg(options::OPT_fopenmp_EQ)) { |
| 6145 | UsedOpenMPLib = llvm::StringSwitch<LibOpenMP>(A->getValue()) |
| 6146 | .Case("libgomp", LibGOMP) |
| 6147 | .Case("libiomp5", LibIOMP5) |
| 6148 | .Default(LibUnknown); |
| 6149 | if (UsedOpenMPLib == LibUnknown) |
| 6150 | getToolChain().getDriver().Diag(diag::err_drv_unsupported_option_argument) |
| 6151 | << A->getOption().getName() << A->getValue(); |
| 6152 | } |
| 6153 | switch (UsedOpenMPLib) { |
| 6154 | case LibGOMP: |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6155 | CmdArgs.push_back("-lgomp"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6156 | break; |
| 6157 | case LibIOMP5: |
| 6158 | CmdArgs.push_back("-liomp5"); |
| 6159 | break; |
| 6160 | case LibUnknown: |
| 6161 | break; |
| 6162 | } |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6163 | |
Douglas Gregor | 04e326b | 2012-05-15 21:00:27 +0000 | [diff] [blame] | 6164 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6165 | // Build the input file for -filelist (list of linker input files) in case we |
| 6166 | // need it later |
| 6167 | for (const auto &II : Inputs) { |
| 6168 | if (!II.isFilename()) { |
| 6169 | // This is a linker input argument. |
| 6170 | // We cannot mix input arguments and file names in a -filelist input, thus |
| 6171 | // we prematurely stop our list (remaining files shall be passed as |
| 6172 | // arguments). |
| 6173 | if (InputFileList.size() > 0) |
| 6174 | break; |
| 6175 | |
| 6176 | continue; |
| 6177 | } |
| 6178 | |
| 6179 | InputFileList.push_back(II.getFilename()); |
| 6180 | } |
| 6181 | |
Bob Wilson | 63d9f3c | 2012-05-15 18:57:39 +0000 | [diff] [blame] | 6182 | if (isObjCRuntimeLinked(Args) && |
| 6183 | !Args.hasArg(options::OPT_nostdlib) && |
| 6184 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6185 | // We use arclite library for both ARC and subscripting support. |
| 6186 | getMachOToolChain().AddLinkARCArgs(Args, CmdArgs); |
| 6187 | |
Bob Wilson | 0b1c715 | 2012-04-21 00:21:42 +0000 | [diff] [blame] | 6188 | CmdArgs.push_back("-framework"); |
| 6189 | CmdArgs.push_back("Foundation"); |
Ted Kremenek | ebcb57a | 2012-03-06 20:05:56 +0000 | [diff] [blame] | 6190 | // Link libobj. |
| 6191 | CmdArgs.push_back("-lobjc"); |
John McCall | 9f084a3 | 2011-07-06 00:26:06 +0000 | [diff] [blame] | 6192 | } |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 6193 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6194 | if (LinkingOutput) { |
| 6195 | CmdArgs.push_back("-arch_multiple"); |
| 6196 | CmdArgs.push_back("-final_output"); |
| 6197 | CmdArgs.push_back(LinkingOutput); |
| 6198 | } |
| 6199 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6200 | if (Args.hasArg(options::OPT_fnested_functions)) |
| 6201 | CmdArgs.push_back("-allow_stack_execute"); |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6202 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6203 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6204 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6205 | if (getToolChain().getDriver().CCCIsCXX()) |
Daniel Dunbar | 132e35d | 2010-09-17 01:20:05 +0000 | [diff] [blame] | 6206 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
Daniel Dunbar | edfa02b | 2009-04-08 06:06:21 +0000 | [diff] [blame] | 6207 | |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6208 | // link_ssp spec is empty. |
| 6209 | |
Daniel Dunbar | 6cd4154 | 2009-09-18 08:15:03 +0000 | [diff] [blame] | 6210 | // Let the tool chain choose which runtime library to link. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6211 | getMachOToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6212 | } |
| 6213 | |
Chad Rosier | 1893731 | 2012-05-16 23:45:12 +0000 | [diff] [blame] | 6214 | if (!Args.hasArg(options::OPT_nostdlib) && |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6215 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6216 | // endfile_spec is empty. |
| 6217 | } |
| 6218 | |
| 6219 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 6220 | Args.AddAllArgs(CmdArgs, options::OPT_F); |
| 6221 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6222 | // -iframework should be forwarded as -F. |
| 6223 | for (auto it = Args.filtered_begin(options::OPT_iframework), |
| 6224 | ie = Args.filtered_end(); it != ie; ++it) |
| 6225 | CmdArgs.push_back(Args.MakeArgString(std::string("-F") + |
| 6226 | (*it)->getValue())); |
| 6227 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 6228 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6229 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
| 6230 | if (Arg *A = Args.getLastArg(options::OPT_fveclib)) { |
| 6231 | if (A->getValue() == StringRef("Accelerate")) { |
| 6232 | CmdArgs.push_back("-framework"); |
| 6233 | CmdArgs.push_back("Accelerate"); |
| 6234 | } |
| 6235 | } |
| 6236 | } |
| 6237 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6238 | const char *Exec = |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6239 | Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6240 | std::unique_ptr<Command> Cmd = |
| 6241 | llvm::make_unique<Command>(JA, *this, Exec, CmdArgs); |
| 6242 | Cmd->setInputFileList(std::move(InputFileList)); |
| 6243 | C.addCommand(std::move(Cmd)); |
Daniel Dunbar | 02633b5 | 2009-03-26 16:23:12 +0000 | [diff] [blame] | 6244 | } |
| 6245 | |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 6246 | void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6247 | const InputInfo &Output, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6248 | const InputInfoList &Inputs, |
| 6249 | const ArgList &Args, |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 6250 | const char *LinkingOutput) const { |
| 6251 | ArgStringList CmdArgs; |
| 6252 | |
| 6253 | CmdArgs.push_back("-create"); |
| 6254 | assert(Output.isFilename() && "Unexpected lipo output."); |
Daniel Dunbar | a428df8 | 2009-03-24 00:24:37 +0000 | [diff] [blame] | 6255 | |
| 6256 | CmdArgs.push_back("-output"); |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 6257 | CmdArgs.push_back(Output.getFilename()); |
Daniel Dunbar | a428df8 | 2009-03-24 00:24:37 +0000 | [diff] [blame] | 6258 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6259 | for (const auto &II : Inputs) { |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 6260 | assert(II.isFilename() && "Unexpected lipo input."); |
| 6261 | CmdArgs.push_back(II.getFilename()); |
| 6262 | } |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6263 | |
| 6264 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("lipo")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6265 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | ff7488d | 2009-03-20 00:52:38 +0000 | [diff] [blame] | 6266 | } |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6267 | |
Daniel Dunbar | 6e0f254 | 2010-06-04 18:28:36 +0000 | [diff] [blame] | 6268 | void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6269 | const InputInfo &Output, |
Daniel Dunbar | 6e0f254 | 2010-06-04 18:28:36 +0000 | [diff] [blame] | 6270 | const InputInfoList &Inputs, |
| 6271 | const ArgList &Args, |
| 6272 | const char *LinkingOutput) const { |
| 6273 | ArgStringList CmdArgs; |
| 6274 | |
Daniel Dunbar | 03e9230 | 2011-05-09 17:23:16 +0000 | [diff] [blame] | 6275 | CmdArgs.push_back("-o"); |
| 6276 | CmdArgs.push_back(Output.getFilename()); |
| 6277 | |
Daniel Dunbar | 6e0f254 | 2010-06-04 18:28:36 +0000 | [diff] [blame] | 6278 | assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); |
| 6279 | const InputInfo &Input = Inputs[0]; |
| 6280 | assert(Input.isFilename() && "Unexpected dsymutil input."); |
| 6281 | CmdArgs.push_back(Input.getFilename()); |
| 6282 | |
Daniel Dunbar | 6e0f254 | 2010-06-04 18:28:36 +0000 | [diff] [blame] | 6283 | const char *Exec = |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6284 | Args.MakeArgString(getToolChain().GetProgramPath("dsymutil")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6285 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 6e0f254 | 2010-06-04 18:28:36 +0000 | [diff] [blame] | 6286 | } |
| 6287 | |
Eric Christopher | f857186 | 2011-08-23 17:56:55 +0000 | [diff] [blame] | 6288 | void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA, |
Eric Christopher | 27e2b98 | 2012-12-18 00:31:10 +0000 | [diff] [blame] | 6289 | const InputInfo &Output, |
| 6290 | const InputInfoList &Inputs, |
| 6291 | const ArgList &Args, |
| 6292 | const char *LinkingOutput) const { |
Eric Christopher | f857186 | 2011-08-23 17:56:55 +0000 | [diff] [blame] | 6293 | ArgStringList CmdArgs; |
| 6294 | CmdArgs.push_back("--verify"); |
Eric Christopher | 1c79dc4 | 2012-02-06 19:13:09 +0000 | [diff] [blame] | 6295 | CmdArgs.push_back("--debug-info"); |
| 6296 | CmdArgs.push_back("--eh-frame"); |
Eric Christopher | b822f72 | 2012-02-06 19:43:51 +0000 | [diff] [blame] | 6297 | CmdArgs.push_back("--quiet"); |
Eric Christopher | f857186 | 2011-08-23 17:56:55 +0000 | [diff] [blame] | 6298 | |
| 6299 | assert(Inputs.size() == 1 && "Unable to handle multiple inputs."); |
| 6300 | const InputInfo &Input = Inputs[0]; |
| 6301 | assert(Input.isFilename() && "Unexpected verify input"); |
| 6302 | |
| 6303 | // Grabbing the output of the earlier dsymutil run. |
| 6304 | CmdArgs.push_back(Input.getFilename()); |
| 6305 | |
| 6306 | const char *Exec = |
| 6307 | Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6308 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Eric Christopher | f857186 | 2011-08-23 17:56:55 +0000 | [diff] [blame] | 6309 | } |
| 6310 | |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6311 | void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 6312 | const InputInfo &Output, |
| 6313 | const InputInfoList &Inputs, |
| 6314 | const ArgList &Args, |
| 6315 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6316 | claimNoWarnArgs(Args); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6317 | ArgStringList CmdArgs; |
| 6318 | |
| 6319 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 6320 | options::OPT_Xassembler); |
| 6321 | |
| 6322 | CmdArgs.push_back("-o"); |
| 6323 | CmdArgs.push_back(Output.getFilename()); |
| 6324 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6325 | for (const auto &II : Inputs) |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6326 | CmdArgs.push_back(II.getFilename()); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6327 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6328 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6329 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6330 | } |
| 6331 | |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6332 | void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 6333 | const InputInfo &Output, |
| 6334 | const InputInfoList &Inputs, |
| 6335 | const ArgList &Args, |
| 6336 | const char *LinkingOutput) const { |
| 6337 | // FIXME: Find a real GCC, don't hard-code versions here |
| 6338 | std::string GCCLibPath = "/usr/gcc/4.5/lib/gcc/"; |
| 6339 | const llvm::Triple &T = getToolChain().getTriple(); |
| 6340 | std::string LibPath = "/usr/lib/"; |
| 6341 | llvm::Triple::ArchType Arch = T.getArch(); |
| 6342 | switch (Arch) { |
Benjamin Kramer | 39e4b0f | 2013-10-21 12:33:55 +0000 | [diff] [blame] | 6343 | case llvm::Triple::x86: |
| 6344 | GCCLibPath += |
| 6345 | ("i386-" + T.getVendorName() + "-" + T.getOSName()).str() + "/4.5.2/"; |
| 6346 | break; |
| 6347 | case llvm::Triple::x86_64: |
| 6348 | GCCLibPath += ("i386-" + T.getVendorName() + "-" + T.getOSName()).str(); |
| 6349 | GCCLibPath += "/4.5.2/amd64/"; |
| 6350 | LibPath += "amd64/"; |
| 6351 | break; |
| 6352 | default: |
| 6353 | llvm_unreachable("Unsupported architecture"); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6354 | } |
| 6355 | |
| 6356 | ArgStringList CmdArgs; |
| 6357 | |
David Chisnall | 41d476d | 2012-02-29 15:06:12 +0000 | [diff] [blame] | 6358 | // Demangle C++ names in errors |
| 6359 | CmdArgs.push_back("-C"); |
| 6360 | |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6361 | if ((!Args.hasArg(options::OPT_nostdlib)) && |
| 6362 | (!Args.hasArg(options::OPT_shared))) { |
| 6363 | CmdArgs.push_back("-e"); |
| 6364 | CmdArgs.push_back("_start"); |
| 6365 | } |
| 6366 | |
| 6367 | if (Args.hasArg(options::OPT_static)) { |
| 6368 | CmdArgs.push_back("-Bstatic"); |
| 6369 | CmdArgs.push_back("-dn"); |
| 6370 | } else { |
| 6371 | CmdArgs.push_back("-Bdynamic"); |
| 6372 | if (Args.hasArg(options::OPT_shared)) { |
| 6373 | CmdArgs.push_back("-shared"); |
| 6374 | } else { |
| 6375 | CmdArgs.push_back("--dynamic-linker"); |
| 6376 | CmdArgs.push_back(Args.MakeArgString(LibPath + "ld.so.1")); |
| 6377 | } |
| 6378 | } |
| 6379 | |
| 6380 | if (Output.isFilename()) { |
| 6381 | CmdArgs.push_back("-o"); |
| 6382 | CmdArgs.push_back(Output.getFilename()); |
| 6383 | } else { |
| 6384 | assert(Output.isNothing() && "Invalid output."); |
| 6385 | } |
| 6386 | |
| 6387 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6388 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6389 | if (!Args.hasArg(options::OPT_shared)) { |
| 6390 | CmdArgs.push_back(Args.MakeArgString(LibPath + "crt1.o")); |
| 6391 | CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o")); |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6392 | CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o")); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6393 | CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o")); |
| 6394 | } else { |
| 6395 | CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o")); |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6396 | CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o")); |
| 6397 | CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o")); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6398 | } |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6399 | if (getToolChain().getDriver().CCCIsCXX()) |
David Chisnall | e6dd683 | 2012-03-13 14:14:54 +0000 | [diff] [blame] | 6400 | CmdArgs.push_back(Args.MakeArgString(LibPath + "cxa_finalize.o")); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6401 | } |
| 6402 | |
| 6403 | CmdArgs.push_back(Args.MakeArgString("-L" + GCCLibPath)); |
| 6404 | |
| 6405 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 6406 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 6407 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6408 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6409 | |
| 6410 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
| 6411 | |
| 6412 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6413 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6414 | if (getToolChain().getDriver().CCCIsCXX()) |
David Chisnall | e58e6f9 | 2012-04-10 11:49:50 +0000 | [diff] [blame] | 6415 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
David Chisnall | b622959 | 2012-02-15 18:24:31 +0000 | [diff] [blame] | 6416 | CmdArgs.push_back("-lgcc_s"); |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6417 | if (!Args.hasArg(options::OPT_shared)) { |
| 6418 | CmdArgs.push_back("-lgcc"); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6419 | CmdArgs.push_back("-lc"); |
David Chisnall | 7dbefe1 | 2012-02-28 20:06:45 +0000 | [diff] [blame] | 6420 | CmdArgs.push_back("-lm"); |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6421 | } |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6422 | } |
| 6423 | |
| 6424 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6425 | !Args.hasArg(options::OPT_nostartfiles)) { |
David Chisnall | 165329c | 2012-02-28 17:10:04 +0000 | [diff] [blame] | 6426 | CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtend.o")); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6427 | } |
David Chisnall | d1ac03e | 2012-02-16 16:00:47 +0000 | [diff] [blame] | 6428 | CmdArgs.push_back(Args.MakeArgString(LibPath + "crtn.o")); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6429 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6430 | addProfileRT(getToolChain(), Args, CmdArgs); |
David Chisnall | 31c4690 | 2012-02-15 13:39:01 +0000 | [diff] [blame] | 6431 | |
| 6432 | const char *Exec = |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6433 | Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6434 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Edward O'Callaghan | e7925a0 | 2009-08-22 01:06:46 +0000 | [diff] [blame] | 6435 | } |
| 6436 | |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6437 | void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6438 | const InputInfo &Output, |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6439 | const InputInfoList &Inputs, |
| 6440 | const ArgList &Args, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 6441 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6442 | claimNoWarnArgs(Args); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6443 | ArgStringList CmdArgs; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6444 | bool NeedsKPIC = false; |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6445 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6446 | switch (getToolChain().getArch()) { |
| 6447 | case llvm::Triple::x86: |
| 6448 | // When building 32-bit code on OpenBSD/amd64, we have to explicitly |
| 6449 | // instruct as in the base system to assemble 32-bit code. |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6450 | CmdArgs.push_back("--32"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6451 | break; |
| 6452 | |
| 6453 | case llvm::Triple::ppc: |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6454 | CmdArgs.push_back("-mppc"); |
| 6455 | CmdArgs.push_back("-many"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6456 | break; |
| 6457 | |
| 6458 | case llvm::Triple::sparc: |
| 6459 | CmdArgs.push_back("-32"); |
| 6460 | NeedsKPIC = true; |
| 6461 | break; |
| 6462 | |
| 6463 | case llvm::Triple::sparcv9: |
| 6464 | CmdArgs.push_back("-64"); |
| 6465 | CmdArgs.push_back("-Av9a"); |
| 6466 | NeedsKPIC = true; |
| 6467 | break; |
| 6468 | |
| 6469 | case llvm::Triple::mips64: |
| 6470 | case llvm::Triple::mips64el: { |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6471 | StringRef CPUName; |
| 6472 | StringRef ABIName; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6473 | mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6474 | |
| 6475 | CmdArgs.push_back("-mabi"); |
| 6476 | CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data()); |
| 6477 | |
| 6478 | if (getToolChain().getArch() == llvm::Triple::mips64) |
| 6479 | CmdArgs.push_back("-EB"); |
| 6480 | else |
| 6481 | CmdArgs.push_back("-EL"); |
| 6482 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6483 | NeedsKPIC = true; |
| 6484 | break; |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6485 | } |
| 6486 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6487 | default: |
| 6488 | break; |
| 6489 | } |
| 6490 | |
| 6491 | if (NeedsKPIC) |
| 6492 | addAssemblerKPIC(Args, CmdArgs); |
| 6493 | |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6494 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 6495 | options::OPT_Xassembler); |
| 6496 | |
| 6497 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6498 | CmdArgs.push_back(Output.getFilename()); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6499 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6500 | for (const auto &II : Inputs) |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6501 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6502 | |
| 6503 | const char *Exec = |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6504 | Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6505 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6506 | } |
| 6507 | |
| 6508 | void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6509 | const InputInfo &Output, |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6510 | const InputInfoList &Inputs, |
| 6511 | const ArgList &Args, |
| 6512 | const char *LinkingOutput) const { |
Daniel Dunbar | ee788e7 | 2009-12-21 18:54:17 +0000 | [diff] [blame] | 6513 | const Driver &D = getToolChain().getDriver(); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6514 | ArgStringList CmdArgs; |
| 6515 | |
Rafael Espindola | 6cc2a68 | 2012-12-31 22:41:36 +0000 | [diff] [blame] | 6516 | // Silence warning for "clang -g foo.o -o foo" |
| 6517 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 6518 | // and "clang -emit-llvm foo.o -o foo" |
| 6519 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
| 6520 | // and for "clang -w foo.o -o foo". Other warning options are already |
| 6521 | // handled somewhere else. |
| 6522 | Args.ClaimAllArgs(options::OPT_w); |
| 6523 | |
Bill Wendling | ac66cb8 | 2013-12-08 00:21:01 +0000 | [diff] [blame] | 6524 | if (getToolChain().getArch() == llvm::Triple::mips64) |
| 6525 | CmdArgs.push_back("-EB"); |
| 6526 | else if (getToolChain().getArch() == llvm::Triple::mips64el) |
| 6527 | CmdArgs.push_back("-EL"); |
| 6528 | |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6529 | if ((!Args.hasArg(options::OPT_nostdlib)) && |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 6530 | (!Args.hasArg(options::OPT_shared))) { |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6531 | CmdArgs.push_back("-e"); |
| 6532 | CmdArgs.push_back("__start"); |
| 6533 | } |
| 6534 | |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6535 | if (Args.hasArg(options::OPT_static)) { |
| 6536 | CmdArgs.push_back("-Bstatic"); |
| 6537 | } else { |
Rafael Espindola | 65ba55d | 2010-11-11 02:17:51 +0000 | [diff] [blame] | 6538 | if (Args.hasArg(options::OPT_rdynamic)) |
| 6539 | CmdArgs.push_back("-export-dynamic"); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6540 | CmdArgs.push_back("--eh-frame-hdr"); |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6541 | CmdArgs.push_back("-Bdynamic"); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6542 | if (Args.hasArg(options::OPT_shared)) { |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6543 | CmdArgs.push_back("-shared"); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6544 | } else { |
| 6545 | CmdArgs.push_back("-dynamic-linker"); |
| 6546 | CmdArgs.push_back("/usr/libexec/ld.so"); |
| 6547 | } |
| 6548 | } |
| 6549 | |
Rafael Espindola | 9adba39 | 2013-06-05 04:28:55 +0000 | [diff] [blame] | 6550 | if (Args.hasArg(options::OPT_nopie)) |
| 6551 | CmdArgs.push_back("-nopie"); |
| 6552 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6553 | if (Output.isFilename()) { |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6554 | CmdArgs.push_back("-o"); |
| 6555 | CmdArgs.push_back(Output.getFilename()); |
| 6556 | } else { |
| 6557 | assert(Output.isNothing() && "Invalid output."); |
| 6558 | } |
| 6559 | |
| 6560 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6561 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6562 | if (!Args.hasArg(options::OPT_shared)) { |
Eli Friedman | 62d829a | 2011-12-15 02:15:56 +0000 | [diff] [blame] | 6563 | if (Args.hasArg(options::OPT_pg)) |
| 6564 | CmdArgs.push_back(Args.MakeArgString( |
| 6565 | getToolChain().GetFilePath("gcrt0.o"))); |
| 6566 | else |
| 6567 | CmdArgs.push_back(Args.MakeArgString( |
| 6568 | getToolChain().GetFilePath("crt0.o"))); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 6569 | CmdArgs.push_back(Args.MakeArgString( |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6570 | getToolChain().GetFilePath("crtbegin.o"))); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6571 | } else { |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 6572 | CmdArgs.push_back(Args.MakeArgString( |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6573 | getToolChain().GetFilePath("crtbeginS.o"))); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6574 | } |
| 6575 | } |
| 6576 | |
Edward O'Callaghan | e7e1820 | 2009-10-28 15:13:08 +0000 | [diff] [blame] | 6577 | std::string Triple = getToolChain().getTripleString(); |
| 6578 | if (Triple.substr(0, 6) == "x86_64") |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 6579 | Triple.replace(0, 6, "amd64"); |
Daniel Dunbar | f7fb31f | 2009-10-29 02:24:37 +0000 | [diff] [blame] | 6580 | CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + |
Daniel Dunbar | 95c0457 | 2010-08-01 23:13:54 +0000 | [diff] [blame] | 6581 | "/4.2.1")); |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6582 | |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6583 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 6584 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 6585 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
Rafael Espindola | 6cc2a68 | 2012-12-31 22:41:36 +0000 | [diff] [blame] | 6586 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 6587 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 6588 | Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); |
| 6589 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6590 | |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 6591 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6592 | |
| 6593 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6594 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6595 | if (D.CCCIsCXX()) { |
Daniel Dunbar | 132e35d | 2010-09-17 01:20:05 +0000 | [diff] [blame] | 6596 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
Eli Friedman | 62d829a | 2011-12-15 02:15:56 +0000 | [diff] [blame] | 6597 | if (Args.hasArg(options::OPT_pg)) |
| 6598 | CmdArgs.push_back("-lm_p"); |
| 6599 | else |
| 6600 | CmdArgs.push_back("-lm"); |
Daniel Dunbar | 95c0457 | 2010-08-01 23:13:54 +0000 | [diff] [blame] | 6601 | } |
| 6602 | |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6603 | // FIXME: For some reason GCC passes -lgcc before adding |
| 6604 | // the default system libraries. Just mimic this for now. |
| 6605 | CmdArgs.push_back("-lgcc"); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6606 | |
Eric Christopher | dc6cc87 | 2012-09-13 06:32:34 +0000 | [diff] [blame] | 6607 | if (Args.hasArg(options::OPT_pthread)) { |
| 6608 | if (!Args.hasArg(options::OPT_shared) && |
| 6609 | Args.hasArg(options::OPT_pg)) |
| 6610 | CmdArgs.push_back("-lpthread_p"); |
| 6611 | else |
| 6612 | CmdArgs.push_back("-lpthread"); |
| 6613 | } |
| 6614 | |
Chandler Carruth | 657849c | 2011-12-17 22:32:42 +0000 | [diff] [blame] | 6615 | if (!Args.hasArg(options::OPT_shared)) { |
Eric Christopher | dc6cc87 | 2012-09-13 06:32:34 +0000 | [diff] [blame] | 6616 | if (Args.hasArg(options::OPT_pg)) |
Eli Friedman | 62d829a | 2011-12-15 02:15:56 +0000 | [diff] [blame] | 6617 | CmdArgs.push_back("-lc_p"); |
| 6618 | else |
| 6619 | CmdArgs.push_back("-lc"); |
Chandler Carruth | 657849c | 2011-12-17 22:32:42 +0000 | [diff] [blame] | 6620 | } |
Eric Christopher | dc6cc87 | 2012-09-13 06:32:34 +0000 | [diff] [blame] | 6621 | |
Daniel Dunbar | 2bbcf66 | 2009-08-03 01:28:59 +0000 | [diff] [blame] | 6622 | CmdArgs.push_back("-lgcc"); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6623 | } |
| 6624 | |
| 6625 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6626 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6627 | if (!Args.hasArg(options::OPT_shared)) |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 6628 | CmdArgs.push_back(Args.MakeArgString( |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6629 | getToolChain().GetFilePath("crtend.o"))); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6630 | else |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 6631 | CmdArgs.push_back(Args.MakeArgString( |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 6632 | getToolChain().GetFilePath("crtendS.o"))); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6633 | } |
| 6634 | |
| 6635 | const char *Exec = |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6636 | Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6637 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | f7b8eec | 2009-06-29 20:52:51 +0000 | [diff] [blame] | 6638 | } |
Ed Schouten | c66a5a3 | 2009-04-02 19:13:12 +0000 | [diff] [blame] | 6639 | |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6640 | void bitrig::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 6641 | const InputInfo &Output, |
| 6642 | const InputInfoList &Inputs, |
| 6643 | const ArgList &Args, |
| 6644 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6645 | claimNoWarnArgs(Args); |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6646 | ArgStringList CmdArgs; |
| 6647 | |
| 6648 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 6649 | options::OPT_Xassembler); |
| 6650 | |
| 6651 | CmdArgs.push_back("-o"); |
| 6652 | CmdArgs.push_back(Output.getFilename()); |
| 6653 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6654 | for (const auto &II : Inputs) |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6655 | CmdArgs.push_back(II.getFilename()); |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6656 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6657 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6658 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6659 | } |
| 6660 | |
| 6661 | void bitrig::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 6662 | const InputInfo &Output, |
| 6663 | const InputInfoList &Inputs, |
| 6664 | const ArgList &Args, |
| 6665 | const char *LinkingOutput) const { |
| 6666 | const Driver &D = getToolChain().getDriver(); |
| 6667 | ArgStringList CmdArgs; |
| 6668 | |
| 6669 | if ((!Args.hasArg(options::OPT_nostdlib)) && |
| 6670 | (!Args.hasArg(options::OPT_shared))) { |
| 6671 | CmdArgs.push_back("-e"); |
| 6672 | CmdArgs.push_back("__start"); |
| 6673 | } |
| 6674 | |
| 6675 | if (Args.hasArg(options::OPT_static)) { |
| 6676 | CmdArgs.push_back("-Bstatic"); |
| 6677 | } else { |
| 6678 | if (Args.hasArg(options::OPT_rdynamic)) |
| 6679 | CmdArgs.push_back("-export-dynamic"); |
| 6680 | CmdArgs.push_back("--eh-frame-hdr"); |
| 6681 | CmdArgs.push_back("-Bdynamic"); |
| 6682 | if (Args.hasArg(options::OPT_shared)) { |
| 6683 | CmdArgs.push_back("-shared"); |
| 6684 | } else { |
| 6685 | CmdArgs.push_back("-dynamic-linker"); |
| 6686 | CmdArgs.push_back("/usr/libexec/ld.so"); |
| 6687 | } |
| 6688 | } |
| 6689 | |
| 6690 | if (Output.isFilename()) { |
| 6691 | CmdArgs.push_back("-o"); |
| 6692 | CmdArgs.push_back(Output.getFilename()); |
| 6693 | } else { |
| 6694 | assert(Output.isNothing() && "Invalid output."); |
| 6695 | } |
| 6696 | |
| 6697 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6698 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6699 | if (!Args.hasArg(options::OPT_shared)) { |
| 6700 | if (Args.hasArg(options::OPT_pg)) |
| 6701 | CmdArgs.push_back(Args.MakeArgString( |
| 6702 | getToolChain().GetFilePath("gcrt0.o"))); |
| 6703 | else |
| 6704 | CmdArgs.push_back(Args.MakeArgString( |
| 6705 | getToolChain().GetFilePath("crt0.o"))); |
| 6706 | CmdArgs.push_back(Args.MakeArgString( |
| 6707 | getToolChain().GetFilePath("crtbegin.o"))); |
| 6708 | } else { |
| 6709 | CmdArgs.push_back(Args.MakeArgString( |
| 6710 | getToolChain().GetFilePath("crtbeginS.o"))); |
| 6711 | } |
| 6712 | } |
| 6713 | |
| 6714 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 6715 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 6716 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 6717 | |
| 6718 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
| 6719 | |
| 6720 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6721 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6722 | if (D.CCCIsCXX()) { |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6723 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
| 6724 | if (Args.hasArg(options::OPT_pg)) |
| 6725 | CmdArgs.push_back("-lm_p"); |
| 6726 | else |
| 6727 | CmdArgs.push_back("-lm"); |
| 6728 | } |
| 6729 | |
Rafael Espindola | 3667bbe | 2012-10-23 17:07:31 +0000 | [diff] [blame] | 6730 | if (Args.hasArg(options::OPT_pthread)) { |
| 6731 | if (!Args.hasArg(options::OPT_shared) && |
| 6732 | Args.hasArg(options::OPT_pg)) |
| 6733 | CmdArgs.push_back("-lpthread_p"); |
| 6734 | else |
| 6735 | CmdArgs.push_back("-lpthread"); |
| 6736 | } |
| 6737 | |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6738 | if (!Args.hasArg(options::OPT_shared)) { |
| 6739 | if (Args.hasArg(options::OPT_pg)) |
| 6740 | CmdArgs.push_back("-lc_p"); |
| 6741 | else |
| 6742 | CmdArgs.push_back("-lc"); |
| 6743 | } |
| 6744 | |
Benjamin Kramer | 39e4b0f | 2013-10-21 12:33:55 +0000 | [diff] [blame] | 6745 | StringRef MyArch; |
| 6746 | switch (getToolChain().getTriple().getArch()) { |
| 6747 | case llvm::Triple::arm: |
| 6748 | MyArch = "arm"; |
| 6749 | break; |
| 6750 | case llvm::Triple::x86: |
| 6751 | MyArch = "i386"; |
| 6752 | break; |
| 6753 | case llvm::Triple::x86_64: |
| 6754 | MyArch = "amd64"; |
| 6755 | break; |
| 6756 | default: |
| 6757 | llvm_unreachable("Unsupported architecture"); |
| 6758 | } |
| 6759 | CmdArgs.push_back(Args.MakeArgString("-lclang_rt." + MyArch)); |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6760 | } |
| 6761 | |
| 6762 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6763 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 6764 | if (!Args.hasArg(options::OPT_shared)) |
| 6765 | CmdArgs.push_back(Args.MakeArgString( |
| 6766 | getToolChain().GetFilePath("crtend.o"))); |
| 6767 | else |
| 6768 | CmdArgs.push_back(Args.MakeArgString( |
| 6769 | getToolChain().GetFilePath("crtendS.o"))); |
| 6770 | } |
Eli Friedman | c9c48db | 2012-08-09 22:42:04 +0000 | [diff] [blame] | 6771 | |
| 6772 | const char *Exec = |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6773 | Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6774 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Eli Friedman | 42f74f2 | 2012-08-08 23:57:20 +0000 | [diff] [blame] | 6775 | } |
| 6776 | |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6777 | void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6778 | const InputInfo &Output, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6779 | const InputInfoList &Inputs, |
| 6780 | const ArgList &Args, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 6781 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6782 | claimNoWarnArgs(Args); |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6783 | ArgStringList CmdArgs; |
| 6784 | |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6785 | // When building 32-bit code on FreeBSD/amd64, we have to explicitly |
| 6786 | // instruct as in the base system to assemble 32-bit code. |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6787 | if (getToolChain().getArch() == llvm::Triple::x86) |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6788 | CmdArgs.push_back("--32"); |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6789 | else if (getToolChain().getArch() == llvm::Triple::ppc) |
Roman Divacky | 3393cef | 2011-06-04 07:37:31 +0000 | [diff] [blame] | 6790 | CmdArgs.push_back("-a32"); |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6791 | else if (getToolChain().getArch() == llvm::Triple::mips || |
| 6792 | getToolChain().getArch() == llvm::Triple::mipsel || |
| 6793 | getToolChain().getArch() == llvm::Triple::mips64 || |
| 6794 | getToolChain().getArch() == llvm::Triple::mips64el) { |
| 6795 | StringRef CPUName; |
| 6796 | StringRef ABIName; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6797 | mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 6798 | |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6799 | CmdArgs.push_back("-march"); |
| 6800 | CmdArgs.push_back(CPUName.data()); |
| 6801 | |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6802 | CmdArgs.push_back("-mabi"); |
Simon Atanasyan | e9616a4 | 2013-02-27 14:55:49 +0000 | [diff] [blame] | 6803 | CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data()); |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6804 | |
| 6805 | if (getToolChain().getArch() == llvm::Triple::mips || |
| 6806 | getToolChain().getArch() == llvm::Triple::mips64) |
| 6807 | CmdArgs.push_back("-EB"); |
| 6808 | else |
| 6809 | CmdArgs.push_back("-EL"); |
| 6810 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6811 | addAssemblerKPIC(Args, CmdArgs); |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 6812 | } else if (getToolChain().getArch() == llvm::Triple::arm || |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6813 | getToolChain().getArch() == llvm::Triple::armeb || |
| 6814 | getToolChain().getArch() == llvm::Triple::thumb || |
| 6815 | getToolChain().getArch() == llvm::Triple::thumbeb) { |
| 6816 | const Driver &D = getToolChain().getDriver(); |
| 6817 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 6818 | StringRef FloatABI = arm::getARMFloatABI(D, Args, Triple); |
| 6819 | |
| 6820 | if (FloatABI == "hard") { |
| 6821 | CmdArgs.push_back("-mfpu=vfp"); |
| 6822 | } else { |
| 6823 | CmdArgs.push_back("-mfpu=softvfp"); |
| 6824 | } |
| 6825 | |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 6826 | switch(getToolChain().getTriple().getEnvironment()) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6827 | case llvm::Triple::GNUEABIHF: |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 6828 | case llvm::Triple::GNUEABI: |
| 6829 | case llvm::Triple::EABI: |
Anton Korobeynikov | b234e74 | 2013-03-18 07:59:20 +0000 | [diff] [blame] | 6830 | CmdArgs.push_back("-meabi=5"); |
Rafael Espindola | 27fa236 | 2012-12-13 04:17:14 +0000 | [diff] [blame] | 6831 | break; |
| 6832 | |
| 6833 | default: |
| 6834 | CmdArgs.push_back("-matpcs"); |
| 6835 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6836 | } else if (getToolChain().getArch() == llvm::Triple::sparc || |
| 6837 | getToolChain().getArch() == llvm::Triple::sparcv9) { |
| 6838 | if (getToolChain().getArch() == llvm::Triple::sparc) |
| 6839 | CmdArgs.push_back("-Av8plusa"); |
| 6840 | else |
| 6841 | CmdArgs.push_back("-Av9a"); |
| 6842 | |
| 6843 | addAssemblerKPIC(Args, CmdArgs); |
Eric Christopher | c55da4b | 2012-09-05 21:32:44 +0000 | [diff] [blame] | 6844 | } |
Eric Christopher | ed73473 | 2010-03-02 02:41:08 +0000 | [diff] [blame] | 6845 | |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6846 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 6847 | options::OPT_Xassembler); |
| 6848 | |
| 6849 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6850 | CmdArgs.push_back(Output.getFilename()); |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6851 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6852 | for (const auto &II : Inputs) |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6853 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6854 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6855 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6856 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 68a31d4 | 2009-03-31 17:45:15 +0000 | [diff] [blame] | 6857 | } |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6858 | |
| 6859 | void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 6860 | const InputInfo &Output, |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 6861 | const InputInfoList &Inputs, |
| 6862 | const ArgList &Args, |
Daniel Dunbar | a8304f6 | 2009-05-02 20:14:53 +0000 | [diff] [blame] | 6863 | const char *LinkingOutput) const { |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6864 | const toolchains::FreeBSD& ToolChain = |
| 6865 | static_cast<const toolchains::FreeBSD&>(getToolChain()); |
| 6866 | const Driver &D = ToolChain.getDriver(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6867 | const bool IsPIE = |
| 6868 | !Args.hasArg(options::OPT_shared) && |
| 6869 | (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault()); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6870 | ArgStringList CmdArgs; |
David Chisnall | dfa210b | 2012-07-29 15:24:44 +0000 | [diff] [blame] | 6871 | |
| 6872 | // Silence warning for "clang -g foo.o -o foo" |
| 6873 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 6874 | // and "clang -emit-llvm foo.o -o foo" |
| 6875 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
| 6876 | // and for "clang -w foo.o -o foo". Other warning options are already |
| 6877 | // handled somewhere else. |
| 6878 | Args.ClaimAllArgs(options::OPT_w); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6879 | |
Joerg Sonnenberger | 8ab2bdc | 2011-03-21 13:51:29 +0000 | [diff] [blame] | 6880 | if (!D.SysRoot.empty()) |
| 6881 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
| 6882 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6883 | if (IsPIE) |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6884 | CmdArgs.push_back("-pie"); |
| 6885 | |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6886 | if (Args.hasArg(options::OPT_static)) { |
| 6887 | CmdArgs.push_back("-Bstatic"); |
| 6888 | } else { |
Rafael Espindola | 65ba55d | 2010-11-11 02:17:51 +0000 | [diff] [blame] | 6889 | if (Args.hasArg(options::OPT_rdynamic)) |
| 6890 | CmdArgs.push_back("-export-dynamic"); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6891 | CmdArgs.push_back("--eh-frame-hdr"); |
| 6892 | if (Args.hasArg(options::OPT_shared)) { |
| 6893 | CmdArgs.push_back("-Bshareable"); |
| 6894 | } else { |
| 6895 | CmdArgs.push_back("-dynamic-linker"); |
| 6896 | CmdArgs.push_back("/libexec/ld-elf.so.1"); |
| 6897 | } |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6898 | if (ToolChain.getTriple().getOSMajorVersion() >= 9) { |
| 6899 | llvm::Triple::ArchType Arch = ToolChain.getArch(); |
David Chisnall | dfa210b | 2012-07-29 15:24:44 +0000 | [diff] [blame] | 6900 | if (Arch == llvm::Triple::arm || Arch == llvm::Triple::sparc || |
| 6901 | Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) { |
| 6902 | CmdArgs.push_back("--hash-style=both"); |
| 6903 | } |
| 6904 | } |
| 6905 | CmdArgs.push_back("--enable-new-dtags"); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6906 | } |
| 6907 | |
| 6908 | // When building 32-bit code on FreeBSD/amd64, we have to explicitly |
| 6909 | // instruct ld in the base system to link 32-bit code. |
Rafael Espindola | 64f7ad9 | 2012-10-07 04:44:33 +0000 | [diff] [blame] | 6910 | if (ToolChain.getArch() == llvm::Triple::x86) { |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6911 | CmdArgs.push_back("-m"); |
| 6912 | CmdArgs.push_back("elf_i386_fbsd"); |
| 6913 | } |
| 6914 | |
Rafael Espindola | 64f7ad9 | 2012-10-07 04:44:33 +0000 | [diff] [blame] | 6915 | if (ToolChain.getArch() == llvm::Triple::ppc) { |
Roman Divacky | 000a655 | 2011-06-04 07:40:24 +0000 | [diff] [blame] | 6916 | CmdArgs.push_back("-m"); |
Roman Divacky | 1052c1d | 2011-11-21 16:50:32 +0000 | [diff] [blame] | 6917 | CmdArgs.push_back("elf32ppc_fbsd"); |
Roman Divacky | 000a655 | 2011-06-04 07:40:24 +0000 | [diff] [blame] | 6918 | } |
| 6919 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 6920 | if (Output.isFilename()) { |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6921 | CmdArgs.push_back("-o"); |
| 6922 | CmdArgs.push_back(Output.getFilename()); |
| 6923 | } else { |
| 6924 | assert(Output.isNothing() && "Invalid output."); |
| 6925 | } |
| 6926 | |
| 6927 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6928 | !Args.hasArg(options::OPT_nostartfiles)) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 6929 | const char *crt1 = nullptr; |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6930 | if (!Args.hasArg(options::OPT_shared)) { |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 6931 | if (Args.hasArg(options::OPT_pg)) |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6932 | crt1 = "gcrt1.o"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6933 | else if (IsPIE) |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6934 | crt1 = "Scrt1.o"; |
| 6935 | else |
| 6936 | crt1 = "crt1.o"; |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6937 | } |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6938 | if (crt1) |
| 6939 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1))); |
| 6940 | |
| 6941 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o"))); |
| 6942 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 6943 | const char *crtbegin = nullptr; |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6944 | if (Args.hasArg(options::OPT_static)) |
| 6945 | crtbegin = "crtbeginT.o"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6946 | else if (Args.hasArg(options::OPT_shared) || IsPIE) |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6947 | crtbegin = "crtbeginS.o"; |
| 6948 | else |
| 6949 | crtbegin = "crtbegin.o"; |
| 6950 | |
| 6951 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin))); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6952 | } |
| 6953 | |
| 6954 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6955 | const ToolChain::path_list &Paths = ToolChain.getFilePaths(); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 6956 | for (const auto &Path : Paths) |
| 6957 | CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6958 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 6959 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
David Chisnall | c736377 | 2010-08-15 22:58:12 +0000 | [diff] [blame] | 6960 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 6961 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 6962 | Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); |
| 6963 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6964 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 6965 | if (D.IsUsingLTO(getToolChain(), Args)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 6966 | AddGoldPlugin(ToolChain, Args, CmdArgs); |
Roman Divacky | db33419 | 2013-11-10 09:31:43 +0000 | [diff] [blame] | 6967 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6968 | bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6969 | AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6970 | |
| 6971 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 6972 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 6973 | if (D.CCCIsCXX()) { |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 6974 | ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 6975 | if (Args.hasArg(options::OPT_pg)) |
| 6976 | CmdArgs.push_back("-lm_p"); |
| 6977 | else |
| 6978 | CmdArgs.push_back("-lm"); |
Daniel Dunbar | 2002263 | 2010-02-17 08:07:51 +0000 | [diff] [blame] | 6979 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 6980 | if (NeedsSanitizerDeps) |
| 6981 | linkSanitizerRuntimeDeps(ToolChain, CmdArgs); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6982 | // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding |
| 6983 | // the default system libraries. Just mimic this for now. |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 6984 | if (Args.hasArg(options::OPT_pg)) |
| 6985 | CmdArgs.push_back("-lgcc_p"); |
| 6986 | else |
| 6987 | CmdArgs.push_back("-lgcc"); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6988 | if (Args.hasArg(options::OPT_static)) { |
| 6989 | CmdArgs.push_back("-lgcc_eh"); |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 6990 | } else if (Args.hasArg(options::OPT_pg)) { |
| 6991 | CmdArgs.push_back("-lgcc_eh_p"); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 6992 | } else { |
| 6993 | CmdArgs.push_back("--as-needed"); |
| 6994 | CmdArgs.push_back("-lgcc_s"); |
| 6995 | CmdArgs.push_back("--no-as-needed"); |
| 6996 | } |
| 6997 | |
Matt Beaumont-Gay | 2423026 | 2011-02-10 20:35:01 +0000 | [diff] [blame] | 6998 | if (Args.hasArg(options::OPT_pthread)) { |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 6999 | if (Args.hasArg(options::OPT_pg)) |
| 7000 | CmdArgs.push_back("-lpthread_p"); |
| 7001 | else |
| 7002 | CmdArgs.push_back("-lpthread"); |
Matt Beaumont-Gay | 2423026 | 2011-02-10 20:35:01 +0000 | [diff] [blame] | 7003 | } |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 7004 | |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 7005 | if (Args.hasArg(options::OPT_pg)) { |
| 7006 | if (Args.hasArg(options::OPT_shared)) |
| 7007 | CmdArgs.push_back("-lc"); |
| 7008 | else |
| 7009 | CmdArgs.push_back("-lc_p"); |
| 7010 | CmdArgs.push_back("-lgcc_p"); |
| 7011 | } else { |
| 7012 | CmdArgs.push_back("-lc"); |
| 7013 | CmdArgs.push_back("-lgcc"); |
| 7014 | } |
| 7015 | |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 7016 | if (Args.hasArg(options::OPT_static)) { |
| 7017 | CmdArgs.push_back("-lgcc_eh"); |
Roman Divacky | c16bb76 | 2011-02-10 16:59:40 +0000 | [diff] [blame] | 7018 | } else if (Args.hasArg(options::OPT_pg)) { |
| 7019 | CmdArgs.push_back("-lgcc_eh_p"); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 7020 | } else { |
| 7021 | CmdArgs.push_back("--as-needed"); |
| 7022 | CmdArgs.push_back("-lgcc_s"); |
| 7023 | CmdArgs.push_back("--no-as-needed"); |
| 7024 | } |
| 7025 | } |
| 7026 | |
| 7027 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7028 | !Args.hasArg(options::OPT_nostartfiles)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7029 | if (Args.hasArg(options::OPT_shared) || IsPIE) |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 7030 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o"))); |
Roman Divacky | f651381 | 2012-09-07 13:36:21 +0000 | [diff] [blame] | 7031 | else |
| 7032 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o"))); |
Roman Divacky | 9438016 | 2012-08-28 15:09:03 +0000 | [diff] [blame] | 7033 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o"))); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 7034 | } |
| 7035 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7036 | addProfileRT(ToolChain, Args, CmdArgs); |
Nick Lewycky | 2e95a6d | 2011-05-24 21:54:59 +0000 | [diff] [blame] | 7037 | |
Daniel Dunbar | c21c485 | 2009-04-08 23:54:23 +0000 | [diff] [blame] | 7038 | const char *Exec = |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7039 | Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7040 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 008f54a | 2009-04-01 19:36:32 +0000 | [diff] [blame] | 7041 | } |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 7042 | |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7043 | void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 7044 | const InputInfo &Output, |
| 7045 | const InputInfoList &Inputs, |
| 7046 | const ArgList &Args, |
| 7047 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7048 | claimNoWarnArgs(Args); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7049 | ArgStringList CmdArgs; |
| 7050 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7051 | // GNU as needs different flags for creating the correct output format |
| 7052 | // on architectures with different ABIs or optional feature sets. |
| 7053 | switch (getToolChain().getArch()) { |
| 7054 | case llvm::Triple::x86: |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7055 | CmdArgs.push_back("--32"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7056 | break; |
| 7057 | case llvm::Triple::arm: |
| 7058 | case llvm::Triple::armeb: |
| 7059 | case llvm::Triple::thumb: |
| 7060 | case llvm::Triple::thumbeb: { |
| 7061 | std::string MArch(arm::getARMTargetCPU(Args, getToolChain().getTriple())); |
Bill Wendling | cf660bd | 2013-12-06 19:12:36 +0000 | [diff] [blame] | 7062 | CmdArgs.push_back(Args.MakeArgString("-mcpu=" + MArch)); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7063 | break; |
Bill Wendling | cf660bd | 2013-12-06 19:12:36 +0000 | [diff] [blame] | 7064 | } |
| 7065 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7066 | case llvm::Triple::mips: |
| 7067 | case llvm::Triple::mipsel: |
| 7068 | case llvm::Triple::mips64: |
| 7069 | case llvm::Triple::mips64el: { |
Bill Wendling | c54c885 | 2013-12-09 02:59:27 +0000 | [diff] [blame] | 7070 | StringRef CPUName; |
| 7071 | StringRef ABIName; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7072 | mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); |
Bill Wendling | c54c885 | 2013-12-09 02:59:27 +0000 | [diff] [blame] | 7073 | |
| 7074 | CmdArgs.push_back("-march"); |
| 7075 | CmdArgs.push_back(CPUName.data()); |
| 7076 | |
| 7077 | CmdArgs.push_back("-mabi"); |
| 7078 | CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data()); |
| 7079 | |
| 7080 | if (getToolChain().getArch() == llvm::Triple::mips || |
| 7081 | getToolChain().getArch() == llvm::Triple::mips64) |
| 7082 | CmdArgs.push_back("-EB"); |
| 7083 | else |
| 7084 | CmdArgs.push_back("-EL"); |
| 7085 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7086 | addAssemblerKPIC(Args, CmdArgs); |
| 7087 | break; |
| 7088 | } |
| 7089 | |
| 7090 | case llvm::Triple::sparc: |
| 7091 | CmdArgs.push_back("-32"); |
| 7092 | addAssemblerKPIC(Args, CmdArgs); |
| 7093 | break; |
| 7094 | |
| 7095 | case llvm::Triple::sparcv9: |
| 7096 | CmdArgs.push_back("-64"); |
| 7097 | CmdArgs.push_back("-Av9"); |
| 7098 | addAssemblerKPIC(Args, CmdArgs); |
| 7099 | break; |
| 7100 | |
| 7101 | default: |
| 7102 | break; |
Bill Wendling | c54c885 | 2013-12-09 02:59:27 +0000 | [diff] [blame] | 7103 | } |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7104 | |
| 7105 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 7106 | options::OPT_Xassembler); |
| 7107 | |
| 7108 | CmdArgs.push_back("-o"); |
| 7109 | CmdArgs.push_back(Output.getFilename()); |
| 7110 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7111 | for (const auto &II : Inputs) |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7112 | CmdArgs.push_back(II.getFilename()); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7113 | |
David Chisnall | 5adcec1 | 2011-09-27 22:03:18 +0000 | [diff] [blame] | 7114 | const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as"))); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7115 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7116 | } |
| 7117 | |
| 7118 | void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 7119 | const InputInfo &Output, |
| 7120 | const InputInfoList &Inputs, |
| 7121 | const ArgList &Args, |
| 7122 | const char *LinkingOutput) const { |
| 7123 | const Driver &D = getToolChain().getDriver(); |
| 7124 | ArgStringList CmdArgs; |
| 7125 | |
Joerg Sonnenberger | 8ab2bdc | 2011-03-21 13:51:29 +0000 | [diff] [blame] | 7126 | if (!D.SysRoot.empty()) |
| 7127 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
| 7128 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7129 | CmdArgs.push_back("--eh-frame-hdr"); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7130 | if (Args.hasArg(options::OPT_static)) { |
| 7131 | CmdArgs.push_back("-Bstatic"); |
| 7132 | } else { |
| 7133 | if (Args.hasArg(options::OPT_rdynamic)) |
| 7134 | CmdArgs.push_back("-export-dynamic"); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7135 | if (Args.hasArg(options::OPT_shared)) { |
| 7136 | CmdArgs.push_back("-Bshareable"); |
| 7137 | } else { |
| 7138 | CmdArgs.push_back("-dynamic-linker"); |
| 7139 | CmdArgs.push_back("/libexec/ld.elf_so"); |
| 7140 | } |
| 7141 | } |
| 7142 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7143 | // Many NetBSD architectures support more than one ABI. |
| 7144 | // Determine the correct emulation for ld. |
| 7145 | switch (getToolChain().getArch()) { |
| 7146 | case llvm::Triple::x86: |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7147 | CmdArgs.push_back("-m"); |
| 7148 | CmdArgs.push_back("elf_i386"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7149 | break; |
| 7150 | case llvm::Triple::arm: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7151 | case llvm::Triple::thumb: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7152 | CmdArgs.push_back("-m"); |
| 7153 | switch (getToolChain().getTriple().getEnvironment()) { |
| 7154 | case llvm::Triple::EABI: |
| 7155 | case llvm::Triple::GNUEABI: |
| 7156 | CmdArgs.push_back("armelf_nbsd_eabi"); |
| 7157 | break; |
| 7158 | case llvm::Triple::EABIHF: |
| 7159 | case llvm::Triple::GNUEABIHF: |
| 7160 | CmdArgs.push_back("armelf_nbsd_eabihf"); |
| 7161 | break; |
| 7162 | default: |
| 7163 | CmdArgs.push_back("armelf_nbsd"); |
| 7164 | break; |
| 7165 | } |
| 7166 | break; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7167 | case llvm::Triple::armeb: |
| 7168 | case llvm::Triple::thumbeb: |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7169 | arm::appendEBLinkFlags(Args, CmdArgs, getToolChain().getTriple()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7170 | CmdArgs.push_back("-m"); |
| 7171 | switch (getToolChain().getTriple().getEnvironment()) { |
| 7172 | case llvm::Triple::EABI: |
| 7173 | case llvm::Triple::GNUEABI: |
| 7174 | CmdArgs.push_back("armelfb_nbsd_eabi"); |
| 7175 | break; |
| 7176 | case llvm::Triple::EABIHF: |
| 7177 | case llvm::Triple::GNUEABIHF: |
| 7178 | CmdArgs.push_back("armelfb_nbsd_eabihf"); |
| 7179 | break; |
| 7180 | default: |
| 7181 | CmdArgs.push_back("armelfb_nbsd"); |
| 7182 | break; |
| 7183 | } |
| 7184 | break; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7185 | case llvm::Triple::mips64: |
| 7186 | case llvm::Triple::mips64el: |
| 7187 | if (mips::hasMipsAbiArg(Args, "32")) { |
| 7188 | CmdArgs.push_back("-m"); |
| 7189 | if (getToolChain().getArch() == llvm::Triple::mips64) |
| 7190 | CmdArgs.push_back("elf32btsmip"); |
| 7191 | else |
| 7192 | CmdArgs.push_back("elf32ltsmip"); |
| 7193 | } else if (mips::hasMipsAbiArg(Args, "64")) { |
| 7194 | CmdArgs.push_back("-m"); |
| 7195 | if (getToolChain().getArch() == llvm::Triple::mips64) |
| 7196 | CmdArgs.push_back("elf64btsmip"); |
| 7197 | else |
| 7198 | CmdArgs.push_back("elf64ltsmip"); |
| 7199 | } |
| 7200 | break; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7201 | case llvm::Triple::ppc: |
| 7202 | CmdArgs.push_back("-m"); |
| 7203 | CmdArgs.push_back("elf32ppc_nbsd"); |
| 7204 | break; |
| 7205 | |
| 7206 | case llvm::Triple::ppc64: |
| 7207 | case llvm::Triple::ppc64le: |
| 7208 | CmdArgs.push_back("-m"); |
| 7209 | CmdArgs.push_back("elf64ppc"); |
| 7210 | break; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7211 | |
| 7212 | case llvm::Triple::sparc: |
| 7213 | CmdArgs.push_back("-m"); |
| 7214 | CmdArgs.push_back("elf32_sparc"); |
| 7215 | break; |
| 7216 | |
| 7217 | case llvm::Triple::sparcv9: |
| 7218 | CmdArgs.push_back("-m"); |
| 7219 | CmdArgs.push_back("elf64_sparc"); |
| 7220 | break; |
| 7221 | |
| 7222 | default: |
| 7223 | break; |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7224 | } |
| 7225 | |
| 7226 | if (Output.isFilename()) { |
| 7227 | CmdArgs.push_back("-o"); |
| 7228 | CmdArgs.push_back(Output.getFilename()); |
| 7229 | } else { |
| 7230 | assert(Output.isNothing() && "Invalid output."); |
| 7231 | } |
| 7232 | |
| 7233 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7234 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 7235 | if (!Args.hasArg(options::OPT_shared)) { |
| 7236 | CmdArgs.push_back(Args.MakeArgString( |
| 7237 | getToolChain().GetFilePath("crt0.o"))); |
| 7238 | CmdArgs.push_back(Args.MakeArgString( |
| 7239 | getToolChain().GetFilePath("crti.o"))); |
| 7240 | CmdArgs.push_back(Args.MakeArgString( |
| 7241 | getToolChain().GetFilePath("crtbegin.o"))); |
| 7242 | } else { |
| 7243 | CmdArgs.push_back(Args.MakeArgString( |
| 7244 | getToolChain().GetFilePath("crti.o"))); |
| 7245 | CmdArgs.push_back(Args.MakeArgString( |
| 7246 | getToolChain().GetFilePath("crtbeginS.o"))); |
| 7247 | } |
| 7248 | } |
| 7249 | |
| 7250 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 7251 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 7252 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 7253 | Args.AddAllArgs(CmdArgs, options::OPT_s); |
| 7254 | Args.AddAllArgs(CmdArgs, options::OPT_t); |
| 7255 | Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag); |
| 7256 | Args.AddAllArgs(CmdArgs, options::OPT_r); |
| 7257 | |
| 7258 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
| 7259 | |
Joerg Sonnenberger | e69cca4 | 2013-10-14 20:13:05 +0000 | [diff] [blame] | 7260 | unsigned Major, Minor, Micro; |
| 7261 | getToolChain().getTriple().getOSVersion(Major, Minor, Micro); |
| 7262 | bool useLibgcc = true; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7263 | if (Major >= 7 || (Major == 6 && Minor == 99 && Micro >= 49) || Major == 0) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7264 | switch(getToolChain().getArch()) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7265 | case llvm::Triple::aarch64: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 7266 | case llvm::Triple::arm: |
| 7267 | case llvm::Triple::armeb: |
| 7268 | case llvm::Triple::thumb: |
| 7269 | case llvm::Triple::thumbeb: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7270 | case llvm::Triple::ppc: |
| 7271 | case llvm::Triple::ppc64: |
| 7272 | case llvm::Triple::ppc64le: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7273 | case llvm::Triple::x86: |
| 7274 | case llvm::Triple::x86_64: |
Joerg Sonnenberger | e69cca4 | 2013-10-14 20:13:05 +0000 | [diff] [blame] | 7275 | useLibgcc = false; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7276 | break; |
| 7277 | default: |
| 7278 | break; |
| 7279 | } |
Joerg Sonnenberger | e69cca4 | 2013-10-14 20:13:05 +0000 | [diff] [blame] | 7280 | } |
| 7281 | |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7282 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7283 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7284 | if (D.CCCIsCXX()) { |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7285 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
| 7286 | CmdArgs.push_back("-lm"); |
| 7287 | } |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7288 | if (Args.hasArg(options::OPT_pthread)) |
| 7289 | CmdArgs.push_back("-lpthread"); |
| 7290 | CmdArgs.push_back("-lc"); |
| 7291 | |
Joerg Sonnenberger | e69cca4 | 2013-10-14 20:13:05 +0000 | [diff] [blame] | 7292 | if (useLibgcc) { |
| 7293 | if (Args.hasArg(options::OPT_static)) { |
| 7294 | // libgcc_eh depends on libc, so resolve as much as possible, |
| 7295 | // pull in any new requirements from libc and then get the rest |
| 7296 | // of libgcc. |
| 7297 | CmdArgs.push_back("-lgcc_eh"); |
| 7298 | CmdArgs.push_back("-lc"); |
| 7299 | CmdArgs.push_back("-lgcc"); |
| 7300 | } else { |
| 7301 | CmdArgs.push_back("-lgcc"); |
| 7302 | CmdArgs.push_back("--as-needed"); |
| 7303 | CmdArgs.push_back("-lgcc_s"); |
| 7304 | CmdArgs.push_back("--no-as-needed"); |
| 7305 | } |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7306 | } |
| 7307 | } |
| 7308 | |
| 7309 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7310 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 7311 | if (!Args.hasArg(options::OPT_shared)) |
| 7312 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath( |
| 7313 | "crtend.o"))); |
| 7314 | else |
| 7315 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath( |
| 7316 | "crtendS.o"))); |
| 7317 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath( |
| 7318 | "crtn.o"))); |
| 7319 | } |
| 7320 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7321 | addProfileRT(getToolChain(), Args, CmdArgs); |
Nick Lewycky | 2e95a6d | 2011-05-24 21:54:59 +0000 | [diff] [blame] | 7322 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7323 | const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7324 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Benjamin Kramer | 8e50a96 | 2011-02-02 18:59:27 +0000 | [diff] [blame] | 7325 | } |
| 7326 | |
Thomas Schwinge | 577bb0a | 2013-03-28 19:04:25 +0000 | [diff] [blame] | 7327 | void gnutools::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 7328 | const InputInfo &Output, |
| 7329 | const InputInfoList &Inputs, |
| 7330 | const ArgList &Args, |
| 7331 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7332 | claimNoWarnArgs(Args); |
| 7333 | |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7334 | ArgStringList CmdArgs; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7335 | bool NeedsKPIC = false; |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7336 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7337 | switch (getToolChain().getArch()) { |
| 7338 | default: |
| 7339 | break; |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7340 | // Add --32/--64 to make sure we get the format we want. |
| 7341 | // This is incomplete |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7342 | case llvm::Triple::x86: |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7343 | CmdArgs.push_back("--32"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7344 | break; |
| 7345 | case llvm::Triple::x86_64: |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7346 | if (getToolChain().getTriple().getEnvironment() == llvm::Triple::GNUX32) |
| 7347 | CmdArgs.push_back("--x32"); |
| 7348 | else |
| 7349 | CmdArgs.push_back("--64"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7350 | break; |
| 7351 | case llvm::Triple::ppc: |
Eli Friedman | 7972c88 | 2011-11-28 23:46:52 +0000 | [diff] [blame] | 7352 | CmdArgs.push_back("-a32"); |
| 7353 | CmdArgs.push_back("-mppc"); |
| 7354 | CmdArgs.push_back("-many"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7355 | break; |
| 7356 | case llvm::Triple::ppc64: |
Eli Friedman | 7972c88 | 2011-11-28 23:46:52 +0000 | [diff] [blame] | 7357 | CmdArgs.push_back("-a64"); |
| 7358 | CmdArgs.push_back("-mppc64"); |
| 7359 | CmdArgs.push_back("-many"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7360 | break; |
| 7361 | case llvm::Triple::ppc64le: |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 7362 | CmdArgs.push_back("-a64"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7363 | CmdArgs.push_back("-mppc64"); |
Bill Schmidt | ea7fb0c | 2013-07-26 01:36:11 +0000 | [diff] [blame] | 7364 | CmdArgs.push_back("-many"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7365 | CmdArgs.push_back("-mlittle-endian"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7366 | break; |
| 7367 | case llvm::Triple::sparc: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7368 | CmdArgs.push_back("-32"); |
| 7369 | CmdArgs.push_back("-Av8plusa"); |
| 7370 | NeedsKPIC = true; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7371 | break; |
| 7372 | case llvm::Triple::sparcv9: |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7373 | CmdArgs.push_back("-64"); |
| 7374 | CmdArgs.push_back("-Av9a"); |
| 7375 | NeedsKPIC = true; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7376 | break; |
| 7377 | case llvm::Triple::arm: |
| 7378 | case llvm::Triple::armeb: |
| 7379 | case llvm::Triple::thumb: |
| 7380 | case llvm::Triple::thumbeb: { |
| 7381 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 7382 | switch (Triple.getSubArch()) { |
| 7383 | case llvm::Triple::ARMSubArch_v7: |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7384 | CmdArgs.push_back("-mfpu=neon"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7385 | break; |
| 7386 | case llvm::Triple::ARMSubArch_v8: |
Bernard Ogden | 80e90c2 | 2013-10-24 18:32:41 +0000 | [diff] [blame] | 7387 | CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7388 | break; |
| 7389 | default: |
| 7390 | break; |
| 7391 | } |
Evgeniy Stepanov | 700c508 | 2012-04-20 09:03:40 +0000 | [diff] [blame] | 7392 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7393 | StringRef ARMFloatABI = tools::arm::getARMFloatABI( |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7394 | getToolChain().getDriver(), Args, Triple); |
Evgeniy Stepanov | 700c508 | 2012-04-20 09:03:40 +0000 | [diff] [blame] | 7395 | CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=" + ARMFloatABI)); |
Evgeniy Stepanov | eca187e | 2012-04-24 09:05:31 +0000 | [diff] [blame] | 7396 | |
| 7397 | Args.AddLastArg(CmdArgs, options::OPT_march_EQ); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7398 | |
| 7399 | // FIXME: remove krait check when GNU tools support krait cpu |
| 7400 | // for now replace it with -march=armv7-a to avoid a lower |
| 7401 | // march from being picked in the absence of a cpu flag. |
| 7402 | Arg *A; |
| 7403 | if ((A = Args.getLastArg(options::OPT_mcpu_EQ)) && |
| 7404 | StringRef(A->getValue()) == "krait") |
| 7405 | CmdArgs.push_back("-march=armv7-a"); |
| 7406 | else |
| 7407 | Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ); |
Evgeniy Stepanov | eca187e | 2012-04-24 09:05:31 +0000 | [diff] [blame] | 7408 | Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7409 | break; |
| 7410 | } |
| 7411 | case llvm::Triple::mips: |
| 7412 | case llvm::Triple::mipsel: |
| 7413 | case llvm::Triple::mips64: |
| 7414 | case llvm::Triple::mips64el: { |
Simon Atanasyan | 073a780 | 2012-04-07 22:31:29 +0000 | [diff] [blame] | 7415 | StringRef CPUName; |
| 7416 | StringRef ABIName; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7417 | mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); |
| 7418 | ABIName = getGnuCompatibleMipsABIName(ABIName); |
Akira Hatanaka | c85900f | 2011-11-30 19:31:38 +0000 | [diff] [blame] | 7419 | |
Simon Atanasyan | 073a780 | 2012-04-07 22:31:29 +0000 | [diff] [blame] | 7420 | CmdArgs.push_back("-march"); |
| 7421 | CmdArgs.push_back(CPUName.data()); |
| 7422 | |
Simon Atanasyan | 073a780 | 2012-04-07 22:31:29 +0000 | [diff] [blame] | 7423 | CmdArgs.push_back("-mabi"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7424 | CmdArgs.push_back(ABIName.data()); |
| 7425 | |
| 7426 | // -mno-shared should be emitted unless -fpic, -fpie, -fPIC, -fPIE, |
| 7427 | // or -mshared (not implemented) is in effect. |
| 7428 | bool IsPicOrPie = false; |
| 7429 | if (Arg *A = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC, |
| 7430 | options::OPT_fpic, options::OPT_fno_pic, |
| 7431 | options::OPT_fPIE, options::OPT_fno_PIE, |
| 7432 | options::OPT_fpie, options::OPT_fno_pie)) { |
| 7433 | if (A->getOption().matches(options::OPT_fPIC) || |
| 7434 | A->getOption().matches(options::OPT_fpic) || |
| 7435 | A->getOption().matches(options::OPT_fPIE) || |
| 7436 | A->getOption().matches(options::OPT_fpie)) |
| 7437 | IsPicOrPie = true; |
| 7438 | } |
| 7439 | if (!IsPicOrPie) |
| 7440 | CmdArgs.push_back("-mno-shared"); |
| 7441 | |
| 7442 | // LLVM doesn't support -mplt yet and acts as if it is always given. |
| 7443 | // However, -mplt has no effect with the N64 ABI. |
| 7444 | CmdArgs.push_back(ABIName == "64" ? "-KPIC" : "-call_nonpic"); |
Simon Atanasyan | 5f0a1c1 | 2012-04-06 19:15:24 +0000 | [diff] [blame] | 7445 | |
| 7446 | if (getToolChain().getArch() == llvm::Triple::mips || |
| 7447 | getToolChain().getArch() == llvm::Triple::mips64) |
| 7448 | CmdArgs.push_back("-EB"); |
| 7449 | else |
| 7450 | CmdArgs.push_back("-EL"); |
Simon Atanasyan | 1f0646e | 2012-05-29 19:07:33 +0000 | [diff] [blame] | 7451 | |
Simon Atanasyan | fc12c4a | 2013-09-24 09:09:16 +0000 | [diff] [blame] | 7452 | if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) { |
| 7453 | if (StringRef(A->getValue()) == "2008") |
| 7454 | CmdArgs.push_back(Args.MakeArgString("-mnan=2008")); |
| 7455 | } |
| 7456 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7457 | // Add the last -mfp32/-mfpxx/-mfp64 or -mfpxx if it is enabled by default. |
| 7458 | if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx, |
| 7459 | options::OPT_mfp64)) { |
| 7460 | A->claim(); |
| 7461 | A->render(Args, CmdArgs); |
| 7462 | } else if (mips::isFPXXDefault(getToolChain().getTriple(), CPUName, |
| 7463 | ABIName)) |
| 7464 | CmdArgs.push_back("-mfpxx"); |
| 7465 | |
| 7466 | // Pass on -mmips16 or -mno-mips16. However, the assembler equivalent of |
| 7467 | // -mno-mips16 is actually -no-mips16. |
| 7468 | if (Arg *A = Args.getLastArg(options::OPT_mips16, |
| 7469 | options::OPT_mno_mips16)) { |
| 7470 | if (A->getOption().matches(options::OPT_mips16)) { |
| 7471 | A->claim(); |
| 7472 | A->render(Args, CmdArgs); |
| 7473 | } else { |
| 7474 | A->claim(); |
| 7475 | CmdArgs.push_back("-no-mips16"); |
| 7476 | } |
| 7477 | } |
| 7478 | |
Simon Atanasyan | 9dbfc61 | 2013-04-30 07:47:13 +0000 | [diff] [blame] | 7479 | Args.AddLastArg(CmdArgs, options::OPT_mmicromips, |
| 7480 | options::OPT_mno_micromips); |
| 7481 | Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp); |
| 7482 | Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2); |
| 7483 | |
Daniel Sanders | 0d5d6ff | 2013-12-02 10:14:43 +0000 | [diff] [blame] | 7484 | if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) { |
| 7485 | // Do not use AddLastArg because not all versions of MIPS assembler |
| 7486 | // support -mmsa / -mno-msa options. |
| 7487 | if (A->getOption().matches(options::OPT_mmsa)) |
| 7488 | CmdArgs.push_back(Args.MakeArgString("-mmsa")); |
| 7489 | } |
| 7490 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7491 | Args.AddLastArg(CmdArgs, options::OPT_mhard_float, |
| 7492 | options::OPT_msoft_float); |
| 7493 | |
| 7494 | Args.AddLastArg(CmdArgs, options::OPT_modd_spreg, |
| 7495 | options::OPT_mno_odd_spreg); |
| 7496 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7497 | NeedsKPIC = true; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7498 | break; |
| 7499 | } |
| 7500 | case llvm::Triple::systemz: { |
Richard Sandiford | 5c92b9a | 2013-07-19 16:51:51 +0000 | [diff] [blame] | 7501 | // Always pass an -march option, since our default of z10 is later |
| 7502 | // than the GNU assembler's default. |
| 7503 | StringRef CPUName = getSystemZTargetCPU(Args); |
| 7504 | CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName)); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7505 | break; |
| 7506 | } |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7507 | } |
| 7508 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7509 | if (NeedsKPIC) |
| 7510 | addAssemblerKPIC(Args, CmdArgs); |
| 7511 | |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7512 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 7513 | options::OPT_Xassembler); |
| 7514 | |
| 7515 | CmdArgs.push_back("-o"); |
| 7516 | CmdArgs.push_back(Output.getFilename()); |
| 7517 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7518 | for (const auto &II : Inputs) |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7519 | CmdArgs.push_back(II.getFilename()); |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7520 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7521 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7522 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Eric Christopher | c47b6f3 | 2013-06-05 23:58:15 +0000 | [diff] [blame] | 7523 | |
| 7524 | // Handle the debug info splitting at object creation time if we're |
| 7525 | // creating an object. |
| 7526 | // TODO: Currently only works on linux with newer objcopy. |
| 7527 | if (Args.hasArg(options::OPT_gsplit_dwarf) && |
Cameron Esfahani | 57b1da1 | 2013-09-14 01:09:11 +0000 | [diff] [blame] | 7528 | getToolChain().getTriple().isOSLinux()) |
Eric Christopher | c47b6f3 | 2013-06-05 23:58:15 +0000 | [diff] [blame] | 7529 | SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, |
| 7530 | SplitDebugName(Args, Inputs)); |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7531 | } |
| 7532 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7533 | static void AddLibgcc(const llvm::Triple &Triple, const Driver &D, |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7534 | ArgStringList &CmdArgs, const ArgList &Args) { |
Logan Chien | 94a7142 | 2012-09-02 09:30:11 +0000 | [diff] [blame] | 7535 | bool isAndroid = Triple.getEnvironment() == llvm::Triple::Android; |
Chandler Carruth | 68f94db | 2013-03-04 02:07:55 +0000 | [diff] [blame] | 7536 | bool StaticLibgcc = Args.hasArg(options::OPT_static_libgcc) || |
| 7537 | Args.hasArg(options::OPT_static); |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7538 | if (!D.CCCIsCXX()) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7539 | CmdArgs.push_back("-lgcc"); |
| 7540 | |
Logan Chien | 529a73d | 2012-11-19 12:04:11 +0000 | [diff] [blame] | 7541 | if (StaticLibgcc || isAndroid) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7542 | if (D.CCCIsCXX()) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7543 | CmdArgs.push_back("-lgcc"); |
| 7544 | } else { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7545 | if (!D.CCCIsCXX()) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7546 | CmdArgs.push_back("--as-needed"); |
| 7547 | CmdArgs.push_back("-lgcc_s"); |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7548 | if (!D.CCCIsCXX()) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7549 | CmdArgs.push_back("--no-as-needed"); |
| 7550 | } |
| 7551 | |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7552 | if (StaticLibgcc && !isAndroid) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7553 | CmdArgs.push_back("-lgcc_eh"); |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7554 | else if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX()) |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7555 | CmdArgs.push_back("-lgcc"); |
Logan Chien | 529a73d | 2012-11-19 12:04:11 +0000 | [diff] [blame] | 7556 | |
| 7557 | // According to Android ABI, we have to link with libdl if we are |
| 7558 | // linking with non-static libgcc. |
| 7559 | // |
| 7560 | // NOTE: This fixes a link error on Android MIPS as well. The non-static |
| 7561 | // libgcc for MIPS relies on _Unwind_Find_FDE and dl_iterate_phdr from libdl. |
| 7562 | if (isAndroid && !StaticLibgcc) |
| 7563 | CmdArgs.push_back("-ldl"); |
Rafael Espindola | abf3ac7 | 2011-10-17 21:39:04 +0000 | [diff] [blame] | 7564 | } |
| 7565 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7566 | static std::string getLinuxDynamicLinker(const ArgList &Args, |
| 7567 | const toolchains::Linux &ToolChain) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7568 | if (ToolChain.getTriple().getEnvironment() == llvm::Triple::Android) { |
| 7569 | if (ToolChain.getTriple().isArch64Bit()) |
| 7570 | return "/system/bin/linker64"; |
| 7571 | else |
| 7572 | return "/system/bin/linker"; |
| 7573 | } else if (ToolChain.getArch() == llvm::Triple::x86 || |
| 7574 | ToolChain.getArch() == llvm::Triple::sparc) |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7575 | return "/lib/ld-linux.so.2"; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7576 | else if (ToolChain.getArch() == llvm::Triple::aarch64) |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7577 | return "/lib/ld-linux-aarch64.so.1"; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7578 | else if (ToolChain.getArch() == llvm::Triple::aarch64_be) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7579 | return "/lib/ld-linux-aarch64_be.so.1"; |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7580 | else if (ToolChain.getArch() == llvm::Triple::arm || |
| 7581 | ToolChain.getArch() == llvm::Triple::thumb) { |
| 7582 | if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF) |
| 7583 | return "/lib/ld-linux-armhf.so.3"; |
| 7584 | else |
| 7585 | return "/lib/ld-linux.so.3"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7586 | } else if (ToolChain.getArch() == llvm::Triple::armeb || |
| 7587 | ToolChain.getArch() == llvm::Triple::thumbeb) { |
| 7588 | if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF) |
| 7589 | return "/lib/ld-linux-armhf.so.3"; /* TODO: check which dynamic linker name. */ |
| 7590 | else |
| 7591 | return "/lib/ld-linux.so.3"; /* TODO: check which dynamic linker name. */ |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7592 | } else if (ToolChain.getArch() == llvm::Triple::mips || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7593 | ToolChain.getArch() == llvm::Triple::mipsel || |
| 7594 | ToolChain.getArch() == llvm::Triple::mips64 || |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7595 | ToolChain.getArch() == llvm::Triple::mips64el) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7596 | StringRef CPUName; |
| 7597 | StringRef ABIName; |
| 7598 | mips::getMipsCPUAndABI(Args, ToolChain.getTriple(), CPUName, ABIName); |
| 7599 | bool IsNaN2008 = mips::isNaN2008(Args, ToolChain.getTriple()); |
| 7600 | |
| 7601 | StringRef LibDir = llvm::StringSwitch<llvm::StringRef>(ABIName) |
| 7602 | .Case("o32", "/lib") |
| 7603 | .Case("n32", "/lib32") |
| 7604 | .Case("n64", "/lib64") |
| 7605 | .Default("/lib"); |
| 7606 | StringRef LibName; |
| 7607 | if (mips::isUCLibc(Args)) |
| 7608 | LibName = IsNaN2008 ? "ld-uClibc-mipsn8.so.0" : "ld-uClibc.so.0"; |
| 7609 | else |
| 7610 | LibName = IsNaN2008 ? "ld-linux-mipsn8.so.1" : "ld.so.1"; |
| 7611 | |
| 7612 | return (LibDir + "/" + LibName).str(); |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7613 | } else if (ToolChain.getArch() == llvm::Triple::ppc) |
| 7614 | return "/lib/ld.so.1"; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7615 | else if (ToolChain.getArch() == llvm::Triple::ppc64) { |
| 7616 | if (ppc::hasPPCAbiArg(Args, "elfv2")) |
| 7617 | return "/lib64/ld64.so.2"; |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7618 | return "/lib64/ld64.so.1"; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7619 | } else if (ToolChain.getArch() == llvm::Triple::ppc64le) { |
| 7620 | if (ppc::hasPPCAbiArg(Args, "elfv1")) |
| 7621 | return "/lib64/ld64.so.1"; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7622 | return "/lib64/ld64.so.2"; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7623 | } else if (ToolChain.getArch() == llvm::Triple::systemz) |
| 7624 | return "/lib64/ld64.so.1"; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7625 | else if (ToolChain.getArch() == llvm::Triple::sparcv9) |
| 7626 | return "/lib64/ld-linux.so.2"; |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7627 | else if (ToolChain.getArch() == llvm::Triple::x86_64 && |
| 7628 | ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUX32) |
| 7629 | return "/libx32/ld-linux-x32.so.2"; |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7630 | else |
| 7631 | return "/lib64/ld-linux-x86-64.so.2"; |
| 7632 | } |
| 7633 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7634 | static void AddRunTimeLibs(const ToolChain &TC, const Driver &D, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7635 | ArgStringList &CmdArgs, const ArgList &Args) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7636 | // Make use of compiler-rt if --rtlib option is used |
| 7637 | ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(Args); |
| 7638 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7639 | switch (RLT) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7640 | case ToolChain::RLT_CompilerRT: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7641 | switch (TC.getTriple().getOS()) { |
| 7642 | default: llvm_unreachable("unsupported OS"); |
| 7643 | case llvm::Triple::Win32: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7644 | case llvm::Triple::Linux: |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7645 | addClangRT(TC, Args, CmdArgs); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7646 | break; |
| 7647 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7648 | break; |
| 7649 | case ToolChain::RLT_Libgcc: |
| 7650 | AddLibgcc(TC.getTriple(), D, CmdArgs, Args); |
| 7651 | break; |
| 7652 | } |
| 7653 | } |
| 7654 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7655 | static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) { |
| 7656 | switch (T.getArch()) { |
| 7657 | case llvm::Triple::x86: |
| 7658 | return "elf_i386"; |
| 7659 | case llvm::Triple::aarch64: |
| 7660 | return "aarch64linux"; |
| 7661 | case llvm::Triple::aarch64_be: |
| 7662 | return "aarch64_be_linux"; |
| 7663 | case llvm::Triple::arm: |
| 7664 | case llvm::Triple::thumb: |
| 7665 | return "armelf_linux_eabi"; |
| 7666 | case llvm::Triple::armeb: |
| 7667 | case llvm::Triple::thumbeb: |
| 7668 | return "armebelf_linux_eabi"; /* TODO: check which NAME. */ |
| 7669 | case llvm::Triple::ppc: |
| 7670 | return "elf32ppclinux"; |
| 7671 | case llvm::Triple::ppc64: |
| 7672 | return "elf64ppc"; |
| 7673 | case llvm::Triple::ppc64le: |
| 7674 | return "elf64lppc"; |
| 7675 | case llvm::Triple::sparc: |
| 7676 | return "elf32_sparc"; |
| 7677 | case llvm::Triple::sparcv9: |
| 7678 | return "elf64_sparc"; |
| 7679 | case llvm::Triple::mips: |
| 7680 | return "elf32btsmip"; |
| 7681 | case llvm::Triple::mipsel: |
| 7682 | return "elf32ltsmip"; |
| 7683 | case llvm::Triple::mips64: |
| 7684 | if (mips::hasMipsAbiArg(Args, "n32")) |
| 7685 | return "elf32btsmipn32"; |
| 7686 | return "elf64btsmip"; |
| 7687 | case llvm::Triple::mips64el: |
| 7688 | if (mips::hasMipsAbiArg(Args, "n32")) |
| 7689 | return "elf32ltsmipn32"; |
| 7690 | return "elf64ltsmip"; |
| 7691 | case llvm::Triple::systemz: |
| 7692 | return "elf64_s390"; |
| 7693 | case llvm::Triple::x86_64: |
| 7694 | if (T.getEnvironment() == llvm::Triple::GNUX32) |
| 7695 | return "elf32_x86_64"; |
| 7696 | return "elf_x86_64"; |
| 7697 | default: |
| 7698 | llvm_unreachable("Unexpected arch"); |
| 7699 | } |
| 7700 | } |
| 7701 | |
Thomas Schwinge | 577bb0a | 2013-03-28 19:04:25 +0000 | [diff] [blame] | 7702 | void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 7703 | const InputInfo &Output, |
| 7704 | const InputInfoList &Inputs, |
| 7705 | const ArgList &Args, |
| 7706 | const char *LinkingOutput) const { |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7707 | const toolchains::Linux& ToolChain = |
| 7708 | static_cast<const toolchains::Linux&>(getToolChain()); |
| 7709 | const Driver &D = ToolChain.getDriver(); |
Rafael Espindola | 715852c | 2012-11-02 20:41:30 +0000 | [diff] [blame] | 7710 | const bool isAndroid = |
| 7711 | ToolChain.getTriple().getEnvironment() == llvm::Triple::Android; |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 7712 | const bool IsPIE = |
| 7713 | !Args.hasArg(options::OPT_shared) && |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 7714 | !Args.hasArg(options::OPT_static) && |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7715 | (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault()); |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7716 | |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7717 | ArgStringList CmdArgs; |
| 7718 | |
Rafael Espindola | 26f14c3 | 2010-11-15 18:28:16 +0000 | [diff] [blame] | 7719 | // Silence warning for "clang -g foo.o -o foo" |
| 7720 | Args.ClaimAllArgs(options::OPT_g_Group); |
Rafael Espindola | 9c094fb | 2011-03-01 05:25:27 +0000 | [diff] [blame] | 7721 | // and "clang -emit-llvm foo.o -o foo" |
| 7722 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
David Chisnall | dfa210b | 2012-07-29 15:24:44 +0000 | [diff] [blame] | 7723 | // and for "clang -w foo.o -o foo". Other warning options are already |
Rafael Espindola | 7f6458b | 2010-11-17 20:37:10 +0000 | [diff] [blame] | 7724 | // handled somewhere else. |
| 7725 | Args.ClaimAllArgs(options::OPT_w); |
Rafael Espindola | 26f14c3 | 2010-11-15 18:28:16 +0000 | [diff] [blame] | 7726 | |
Joerg Sonnenberger | 8ab2bdc | 2011-03-21 13:51:29 +0000 | [diff] [blame] | 7727 | if (!D.SysRoot.empty()) |
| 7728 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7729 | |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 7730 | if (IsPIE) |
Rafael Espindola | fdda171 | 2010-11-17 22:26:15 +0000 | [diff] [blame] | 7731 | CmdArgs.push_back("-pie"); |
| 7732 | |
Rafael Espindola | dc1b76d | 2010-11-07 22:57:16 +0000 | [diff] [blame] | 7733 | if (Args.hasArg(options::OPT_rdynamic)) |
| 7734 | CmdArgs.push_back("-export-dynamic"); |
| 7735 | |
Rafael Espindola | e0e6d3b | 2010-11-11 19:34:42 +0000 | [diff] [blame] | 7736 | if (Args.hasArg(options::OPT_s)) |
| 7737 | CmdArgs.push_back("-s"); |
| 7738 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7739 | if (ToolChain.getArch() == llvm::Triple::armeb || |
| 7740 | ToolChain.getArch() == llvm::Triple::thumbeb) |
| 7741 | arm::appendEBLinkFlags(Args, CmdArgs, getToolChain().getTriple()); |
| 7742 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7743 | for (const auto &Opt : ToolChain.ExtraOpts) |
| 7744 | CmdArgs.push_back(Opt.c_str()); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7745 | |
| 7746 | if (!Args.hasArg(options::OPT_static)) { |
| 7747 | CmdArgs.push_back("--eh-frame-hdr"); |
| 7748 | } |
| 7749 | |
| 7750 | CmdArgs.push_back("-m"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7751 | CmdArgs.push_back(getLDMOption(ToolChain.getTriple(), Args)); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7752 | |
| 7753 | if (Args.hasArg(options::OPT_static)) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7754 | if (ToolChain.getArch() == llvm::Triple::arm || |
| 7755 | ToolChain.getArch() == llvm::Triple::armeb || |
| 7756 | ToolChain.getArch() == llvm::Triple::thumb || |
| 7757 | ToolChain.getArch() == llvm::Triple::thumbeb) |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7758 | CmdArgs.push_back("-Bstatic"); |
| 7759 | else |
| 7760 | CmdArgs.push_back("-static"); |
| 7761 | } else if (Args.hasArg(options::OPT_shared)) { |
| 7762 | CmdArgs.push_back("-shared"); |
| 7763 | } |
| 7764 | |
| 7765 | if (ToolChain.getArch() == llvm::Triple::arm || |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7766 | ToolChain.getArch() == llvm::Triple::armeb || |
Douglas Gregor | f0594d8 | 2011-03-06 19:11:49 +0000 | [diff] [blame] | 7767 | ToolChain.getArch() == llvm::Triple::thumb || |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7768 | ToolChain.getArch() == llvm::Triple::thumbeb || |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7769 | (!Args.hasArg(options::OPT_static) && |
| 7770 | !Args.hasArg(options::OPT_shared))) { |
| 7771 | CmdArgs.push_back("-dynamic-linker"); |
Peter Collingbourne | bdaa134 | 2013-05-27 21:40:20 +0000 | [diff] [blame] | 7772 | CmdArgs.push_back(Args.MakeArgString( |
| 7773 | D.DyldPrefix + getLinuxDynamicLinker(Args, ToolChain))); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7774 | } |
| 7775 | |
| 7776 | CmdArgs.push_back("-o"); |
| 7777 | CmdArgs.push_back(Output.getFilename()); |
| 7778 | |
Rafael Espindola | 49c64fd | 2010-12-01 01:52:43 +0000 | [diff] [blame] | 7779 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7780 | !Args.hasArg(options::OPT_nostartfiles)) { |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7781 | if (!isAndroid) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 7782 | const char *crt1 = nullptr; |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7783 | if (!Args.hasArg(options::OPT_shared)){ |
Eric Christopher | 61f0868 | 2013-06-07 23:25:01 +0000 | [diff] [blame] | 7784 | if (Args.hasArg(options::OPT_pg)) |
| 7785 | crt1 = "gcrt1.o"; |
| 7786 | else if (IsPIE) |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7787 | crt1 = "Scrt1.o"; |
| 7788 | else |
| 7789 | crt1 = "crt1.o"; |
| 7790 | } |
| 7791 | if (crt1) |
| 7792 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1))); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7793 | |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7794 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o"))); |
| 7795 | } |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7796 | |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7797 | const char *crtbegin; |
| 7798 | if (Args.hasArg(options::OPT_static)) |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7799 | crtbegin = isAndroid ? "crtbegin_static.o" : "crtbeginT.o"; |
Evgeniy Stepanov | a92983d | 2012-09-10 10:30:12 +0000 | [diff] [blame] | 7800 | else if (Args.hasArg(options::OPT_shared)) |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7801 | crtbegin = isAndroid ? "crtbegin_so.o" : "crtbeginS.o"; |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 7802 | else if (IsPIE) |
Evgeniy Stepanov | a92983d | 2012-09-10 10:30:12 +0000 | [diff] [blame] | 7803 | crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbeginS.o"; |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7804 | else |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7805 | crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbegin.o"; |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7806 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin))); |
Benjamin Kramer | e20e508 | 2012-10-04 19:42:20 +0000 | [diff] [blame] | 7807 | |
| 7808 | // Add crtfastmath.o if available and fast math is enabled. |
| 7809 | ToolChain.AddFastMathRuntimeIfAvailable(Args, CmdArgs); |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7810 | } |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7811 | |
| 7812 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7813 | Args.AddAllArgs(CmdArgs, options::OPT_u); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7814 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7815 | const ToolChain::path_list &Paths = ToolChain.getFilePaths(); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7816 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7817 | for (const auto &Path : Paths) |
| 7818 | CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7819 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7820 | if (D.IsUsingLTO(getToolChain(), Args)) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7821 | AddGoldPlugin(ToolChain, Args, CmdArgs); |
Chandler Carruth | 700d4e4 | 2013-01-13 11:46:33 +0000 | [diff] [blame] | 7822 | |
Nick Lewycky | e276cfc | 2012-08-17 03:39:16 +0000 | [diff] [blame] | 7823 | if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) |
| 7824 | CmdArgs.push_back("--no-demangle"); |
| 7825 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7826 | bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7827 | AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs); |
Chandler Carruth | 80a393e | 2013-06-24 09:38:45 +0000 | [diff] [blame] | 7828 | // The profile runtime also needs access to system libraries. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7829 | addProfileRT(getToolChain(), Args, CmdArgs); |
Chandler Carruth | 80a393e | 2013-06-24 09:38:45 +0000 | [diff] [blame] | 7830 | |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7831 | if (D.CCCIsCXX() && |
Chandler Carruth | 2ba542c | 2012-05-14 18:31:18 +0000 | [diff] [blame] | 7832 | !Args.hasArg(options::OPT_nostdlib) && |
| 7833 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Rafael Espindola | 19706f8 | 2011-10-17 22:14:51 +0000 | [diff] [blame] | 7834 | bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) && |
| 7835 | !Args.hasArg(options::OPT_static); |
| 7836 | if (OnlyLibstdcxxStatic) |
| 7837 | CmdArgs.push_back("-Bstatic"); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7838 | ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); |
Rafael Espindola | 19706f8 | 2011-10-17 22:14:51 +0000 | [diff] [blame] | 7839 | if (OnlyLibstdcxxStatic) |
| 7840 | CmdArgs.push_back("-Bdynamic"); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7841 | CmdArgs.push_back("-lm"); |
| 7842 | } |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 7843 | // Silence warnings when linking C code with a C++ '-stdlib' argument. |
| 7844 | Args.ClaimAllArgs(options::OPT_stdlib_EQ); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7845 | |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7846 | if (!Args.hasArg(options::OPT_nostdlib)) { |
Chandler Carruth | 2ba542c | 2012-05-14 18:31:18 +0000 | [diff] [blame] | 7847 | if (!Args.hasArg(options::OPT_nodefaultlibs)) { |
| 7848 | if (Args.hasArg(options::OPT_static)) |
| 7849 | CmdArgs.push_back("--start-group"); |
Nick Lewycky | 80df025 | 2011-06-04 06:27:06 +0000 | [diff] [blame] | 7850 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7851 | if (NeedsSanitizerDeps) |
| 7852 | linkSanitizerRuntimeDeps(ToolChain, CmdArgs); |
| 7853 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7854 | LibOpenMP UsedOpenMPLib = LibUnknown; |
| 7855 | if (Args.hasArg(options::OPT_fopenmp)) { |
| 7856 | UsedOpenMPLib = LibGOMP; |
| 7857 | } else if (const Arg *A = Args.getLastArg(options::OPT_fopenmp_EQ)) { |
| 7858 | UsedOpenMPLib = llvm::StringSwitch<LibOpenMP>(A->getValue()) |
| 7859 | .Case("libgomp", LibGOMP) |
| 7860 | .Case("libiomp5", LibIOMP5) |
| 7861 | .Default(LibUnknown); |
| 7862 | if (UsedOpenMPLib == LibUnknown) |
| 7863 | D.Diag(diag::err_drv_unsupported_option_argument) |
| 7864 | << A->getOption().getName() << A->getValue(); |
| 7865 | } |
| 7866 | switch (UsedOpenMPLib) { |
| 7867 | case LibGOMP: |
Chandler Carruth | df96e02 | 2013-01-17 13:19:29 +0000 | [diff] [blame] | 7868 | CmdArgs.push_back("-lgomp"); |
| 7869 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7870 | // FIXME: Exclude this for platforms with libgomp that don't require |
| 7871 | // librt. Most modern Linux platforms require it, but some may not. |
Chandler Carruth | df96e02 | 2013-01-17 13:19:29 +0000 | [diff] [blame] | 7872 | CmdArgs.push_back("-lrt"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7873 | break; |
| 7874 | case LibIOMP5: |
| 7875 | CmdArgs.push_back("-liomp5"); |
| 7876 | break; |
| 7877 | case LibUnknown: |
| 7878 | break; |
Chandler Carruth | df96e02 | 2013-01-17 13:19:29 +0000 | [diff] [blame] | 7879 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7880 | AddRunTimeLibs(ToolChain, D, CmdArgs, Args); |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7881 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7882 | if ((Args.hasArg(options::OPT_pthread) || |
| 7883 | Args.hasArg(options::OPT_pthreads) || UsedOpenMPLib != LibUnknown) && |
| 7884 | !isAndroid) |
Chandler Carruth | 2ba542c | 2012-05-14 18:31:18 +0000 | [diff] [blame] | 7885 | CmdArgs.push_back("-lpthread"); |
| 7886 | |
| 7887 | CmdArgs.push_back("-lc"); |
| 7888 | |
| 7889 | if (Args.hasArg(options::OPT_static)) |
| 7890 | CmdArgs.push_back("--end-group"); |
| 7891 | else |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7892 | AddRunTimeLibs(ToolChain, D, CmdArgs, Args); |
Chandler Carruth | 2ba542c | 2012-05-14 18:31:18 +0000 | [diff] [blame] | 7893 | } |
Rafael Espindola | fdda171 | 2010-11-17 22:26:15 +0000 | [diff] [blame] | 7894 | |
Rafael Espindola | 49c64fd | 2010-12-01 01:52:43 +0000 | [diff] [blame] | 7895 | if (!Args.hasArg(options::OPT_nostartfiles)) { |
| 7896 | const char *crtend; |
Evgeniy Stepanov | a92983d | 2012-09-10 10:30:12 +0000 | [diff] [blame] | 7897 | if (Args.hasArg(options::OPT_shared)) |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7898 | crtend = isAndroid ? "crtend_so.o" : "crtendS.o"; |
Peter Collingbourne | 52ca70d | 2013-04-09 04:35:11 +0000 | [diff] [blame] | 7899 | else if (IsPIE) |
Evgeniy Stepanov | a92983d | 2012-09-10 10:30:12 +0000 | [diff] [blame] | 7900 | crtend = isAndroid ? "crtend_android.o" : "crtendS.o"; |
Rafael Espindola | 49c64fd | 2010-12-01 01:52:43 +0000 | [diff] [blame] | 7901 | else |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7902 | crtend = isAndroid ? "crtend_android.o" : "crtend.o"; |
Rafael Espindola | 89414b3 | 2010-11-12 03:00:39 +0000 | [diff] [blame] | 7903 | |
Rafael Espindola | 49c64fd | 2010-12-01 01:52:43 +0000 | [diff] [blame] | 7904 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend))); |
Evgeniy Stepanov | a6ddc02 | 2012-04-25 08:59:22 +0000 | [diff] [blame] | 7905 | if (!isAndroid) |
| 7906 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o"))); |
Rafael Espindola | 49c64fd | 2010-12-01 01:52:43 +0000 | [diff] [blame] | 7907 | } |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7908 | } |
| 7909 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7910 | C.addCommand( |
| 7911 | llvm::make_unique<Command>(JA, *this, ToolChain.Linker.c_str(), CmdArgs)); |
Rafael Espindola | c1da981 | 2010-11-07 20:14:31 +0000 | [diff] [blame] | 7912 | } |
Rafael Espindola | ba30bbe | 2010-08-10 00:25:48 +0000 | [diff] [blame] | 7913 | |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7914 | void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 7915 | const InputInfo &Output, |
| 7916 | const InputInfoList &Inputs, |
| 7917 | const ArgList &Args, |
| 7918 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7919 | claimNoWarnArgs(Args); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7920 | ArgStringList CmdArgs; |
| 7921 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7922 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7923 | |
| 7924 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 7925 | CmdArgs.push_back(Output.getFilename()); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7926 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7927 | for (const auto &II : Inputs) |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 7928 | CmdArgs.push_back(II.getFilename()); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7929 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7930 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7931 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7932 | } |
| 7933 | |
| 7934 | void minix::Link::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 7935 | const InputInfo &Output, |
| 7936 | const InputInfoList &Inputs, |
| 7937 | const ArgList &Args, |
| 7938 | const char *LinkingOutput) const { |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7939 | const Driver &D = getToolChain().getDriver(); |
| 7940 | ArgStringList CmdArgs; |
| 7941 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 7942 | if (Output.isFilename()) { |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7943 | CmdArgs.push_back("-o"); |
| 7944 | CmdArgs.push_back(Output.getFilename()); |
| 7945 | } else { |
| 7946 | assert(Output.isNothing() && "Invalid output."); |
| 7947 | } |
| 7948 | |
| 7949 | if (!Args.hasArg(options::OPT_nostdlib) && |
Eli Friedman | 6d402dc | 2011-12-08 23:54:21 +0000 | [diff] [blame] | 7950 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 7951 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o"))); |
| 7952 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o"))); |
| 7953 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o"))); |
| 7954 | CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o"))); |
| 7955 | } |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7956 | |
| 7957 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 7958 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 7959 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 7960 | |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 7961 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7962 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 7963 | addProfileRT(getToolChain(), Args, CmdArgs); |
Eli Friedman | 6d402dc | 2011-12-08 23:54:21 +0000 | [diff] [blame] | 7964 | |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7965 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7966 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 7967 | if (D.CCCIsCXX()) { |
Daniel Dunbar | 132e35d | 2010-09-17 01:20:05 +0000 | [diff] [blame] | 7968 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7969 | CmdArgs.push_back("-lm"); |
| 7970 | } |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7971 | } |
| 7972 | |
| 7973 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 7974 | !Args.hasArg(options::OPT_nostartfiles)) { |
Eli Friedman | 6d402dc | 2011-12-08 23:54:21 +0000 | [diff] [blame] | 7975 | if (Args.hasArg(options::OPT_pthread)) |
| 7976 | CmdArgs.push_back("-lpthread"); |
| 7977 | CmdArgs.push_back("-lc"); |
| 7978 | CmdArgs.push_back("-lCompilerRT-Generic"); |
| 7979 | CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib"); |
| 7980 | CmdArgs.push_back( |
Eric Christopher | 27e2b98 | 2012-12-18 00:31:10 +0000 | [diff] [blame] | 7981 | Args.MakeArgString(getToolChain().GetFilePath("crtend.o"))); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7982 | } |
| 7983 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 7984 | const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 7985 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 7986 | } |
| 7987 | |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 7988 | /// DragonFly Tools |
| 7989 | |
| 7990 | // For now, DragonFly Assemble does just about the same as for |
| 7991 | // FreeBSD, but this may change soon. |
| 7992 | void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 7993 | const InputInfo &Output, |
Daniel Dunbar | 294691e | 2009-11-04 06:24:38 +0000 | [diff] [blame] | 7994 | const InputInfoList &Inputs, |
| 7995 | const ArgList &Args, |
| 7996 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 7997 | claimNoWarnArgs(Args); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 7998 | ArgStringList CmdArgs; |
| 7999 | |
| 8000 | // When building 32-bit code on DragonFly/pc64, we have to explicitly |
| 8001 | // instruct as in the base system to assemble 32-bit code. |
Rafael Espindola | 64f7ad9 | 2012-10-07 04:44:33 +0000 | [diff] [blame] | 8002 | if (getToolChain().getArch() == llvm::Triple::x86) |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8003 | CmdArgs.push_back("--32"); |
| 8004 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8005 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8006 | |
| 8007 | CmdArgs.push_back("-o"); |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 8008 | CmdArgs.push_back(Output.getFilename()); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8009 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8010 | for (const auto &II : Inputs) |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 8011 | CmdArgs.push_back(II.getFilename()); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8012 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8013 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8014 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8015 | } |
| 8016 | |
| 8017 | void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA, |
Daniel Dunbar | 2fe238e | 2010-08-02 02:38:28 +0000 | [diff] [blame] | 8018 | const InputInfo &Output, |
| 8019 | const InputInfoList &Inputs, |
| 8020 | const ArgList &Args, |
| 8021 | const char *LinkingOutput) const { |
Daniel Dunbar | ee788e7 | 2009-12-21 18:54:17 +0000 | [diff] [blame] | 8022 | const Driver &D = getToolChain().getDriver(); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8023 | ArgStringList CmdArgs; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8024 | bool UseGCC47 = llvm::sys::fs::exists("/usr/lib/gcc47"); |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8025 | |
Joerg Sonnenberger | 8ab2bdc | 2011-03-21 13:51:29 +0000 | [diff] [blame] | 8026 | if (!D.SysRoot.empty()) |
| 8027 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
| 8028 | |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8029 | CmdArgs.push_back("--eh-frame-hdr"); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8030 | if (Args.hasArg(options::OPT_static)) { |
| 8031 | CmdArgs.push_back("-Bstatic"); |
| 8032 | } else { |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8033 | if (Args.hasArg(options::OPT_rdynamic)) |
| 8034 | CmdArgs.push_back("-export-dynamic"); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8035 | if (Args.hasArg(options::OPT_shared)) |
| 8036 | CmdArgs.push_back("-Bshareable"); |
| 8037 | else { |
| 8038 | CmdArgs.push_back("-dynamic-linker"); |
| 8039 | CmdArgs.push_back("/usr/libexec/ld-elf.so.2"); |
| 8040 | } |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8041 | CmdArgs.push_back("--hash-style=both"); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8042 | } |
| 8043 | |
| 8044 | // When building 32-bit code on DragonFly/pc64, we have to explicitly |
| 8045 | // instruct ld in the base system to link 32-bit code. |
Rafael Espindola | 64f7ad9 | 2012-10-07 04:44:33 +0000 | [diff] [blame] | 8046 | if (getToolChain().getArch() == llvm::Triple::x86) { |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8047 | CmdArgs.push_back("-m"); |
| 8048 | CmdArgs.push_back("elf_i386"); |
| 8049 | } |
| 8050 | |
Daniel Dunbar | 7c1e465 | 2010-08-02 02:38:21 +0000 | [diff] [blame] | 8051 | if (Output.isFilename()) { |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8052 | CmdArgs.push_back("-o"); |
| 8053 | CmdArgs.push_back(Output.getFilename()); |
| 8054 | } else { |
| 8055 | assert(Output.isNothing() && "Invalid output."); |
| 8056 | } |
| 8057 | |
| 8058 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 8059 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 8060 | if (!Args.hasArg(options::OPT_shared)) { |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8061 | if (Args.hasArg(options::OPT_pg)) |
| 8062 | CmdArgs.push_back(Args.MakeArgString( |
| 8063 | getToolChain().GetFilePath("gcrt1.o"))); |
| 8064 | else { |
| 8065 | if (Args.hasArg(options::OPT_pie)) |
| 8066 | CmdArgs.push_back(Args.MakeArgString( |
| 8067 | getToolChain().GetFilePath("Scrt1.o"))); |
| 8068 | else |
| 8069 | CmdArgs.push_back(Args.MakeArgString( |
| 8070 | getToolChain().GetFilePath("crt1.o"))); |
| 8071 | } |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8072 | } |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8073 | CmdArgs.push_back(Args.MakeArgString( |
| 8074 | getToolChain().GetFilePath("crti.o"))); |
| 8075 | if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) |
| 8076 | CmdArgs.push_back(Args.MakeArgString( |
| 8077 | getToolChain().GetFilePath("crtbeginS.o"))); |
| 8078 | else |
| 8079 | CmdArgs.push_back(Args.MakeArgString( |
| 8080 | getToolChain().GetFilePath("crtbegin.o"))); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8081 | } |
| 8082 | |
| 8083 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 8084 | Args.AddAllArgs(CmdArgs, options::OPT_T_Group); |
| 8085 | Args.AddAllArgs(CmdArgs, options::OPT_e); |
| 8086 | |
Daniel Dunbar | 2008fee | 2010-09-17 00:24:54 +0000 | [diff] [blame] | 8087 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8088 | |
| 8089 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 8090 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
| 8091 | // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of |
| 8092 | // rpaths |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8093 | if (UseGCC47) |
| 8094 | CmdArgs.push_back("-L/usr/lib/gcc47"); |
| 8095 | else |
| 8096 | CmdArgs.push_back("-L/usr/lib/gcc44"); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8097 | |
| 8098 | if (!Args.hasArg(options::OPT_static)) { |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8099 | if (UseGCC47) { |
| 8100 | CmdArgs.push_back("-rpath"); |
| 8101 | CmdArgs.push_back("/usr/lib/gcc47"); |
| 8102 | } else { |
| 8103 | CmdArgs.push_back("-rpath"); |
| 8104 | CmdArgs.push_back("/usr/lib/gcc44"); |
| 8105 | } |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8106 | } |
| 8107 | |
Hans Wennborg | 76b86c2 | 2013-07-18 20:29:38 +0000 | [diff] [blame] | 8108 | if (D.CCCIsCXX()) { |
Daniel Dunbar | 132e35d | 2010-09-17 01:20:05 +0000 | [diff] [blame] | 8109 | getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
Rafael Espindola | 405861d | 2010-07-20 12:59:03 +0000 | [diff] [blame] | 8110 | CmdArgs.push_back("-lm"); |
| 8111 | } |
| 8112 | |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8113 | if (Args.hasArg(options::OPT_pthread)) |
Mike Stump | 4d63f8b | 2009-10-31 20:11:46 +0000 | [diff] [blame] | 8114 | CmdArgs.push_back("-lpthread"); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8115 | |
| 8116 | if (!Args.hasArg(options::OPT_nolibc)) { |
| 8117 | CmdArgs.push_back("-lc"); |
| 8118 | } |
| 8119 | |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8120 | if (UseGCC47) { |
| 8121 | if (Args.hasArg(options::OPT_static) || |
| 8122 | Args.hasArg(options::OPT_static_libgcc)) { |
| 8123 | CmdArgs.push_back("-lgcc"); |
| 8124 | CmdArgs.push_back("-lgcc_eh"); |
| 8125 | } else { |
| 8126 | if (Args.hasArg(options::OPT_shared_libgcc)) { |
| 8127 | CmdArgs.push_back("-lgcc_pic"); |
| 8128 | if (!Args.hasArg(options::OPT_shared)) |
| 8129 | CmdArgs.push_back("-lgcc"); |
| 8130 | } else { |
| 8131 | CmdArgs.push_back("-lgcc"); |
| 8132 | CmdArgs.push_back("--as-needed"); |
| 8133 | CmdArgs.push_back("-lgcc_pic"); |
| 8134 | CmdArgs.push_back("--no-as-needed"); |
| 8135 | } |
| 8136 | } |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8137 | } else { |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8138 | if (Args.hasArg(options::OPT_shared)) { |
| 8139 | CmdArgs.push_back("-lgcc_pic"); |
| 8140 | } else { |
| 8141 | CmdArgs.push_back("-lgcc"); |
| 8142 | } |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8143 | } |
| 8144 | } |
| 8145 | |
| 8146 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 8147 | !Args.hasArg(options::OPT_nostartfiles)) { |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8148 | if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 8149 | CmdArgs.push_back(Args.MakeArgString( |
Daniel Dunbar | 4a7e889 | 2010-07-14 18:46:23 +0000 | [diff] [blame] | 8150 | getToolChain().GetFilePath("crtendS.o"))); |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8151 | else |
| 8152 | CmdArgs.push_back(Args.MakeArgString( |
| 8153 | getToolChain().GetFilePath("crtend.o"))); |
Chris Lattner | 38e317d | 2010-07-07 16:01:42 +0000 | [diff] [blame] | 8154 | CmdArgs.push_back(Args.MakeArgString( |
John McCall | 8cfb720 | 2013-04-11 22:55:55 +0000 | [diff] [blame] | 8155 | getToolChain().GetFilePath("crtn.o"))); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8156 | } |
| 8157 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8158 | addProfileRT(getToolChain(), Args, CmdArgs); |
Nick Lewycky | 2e95a6d | 2011-05-24 21:54:59 +0000 | [diff] [blame] | 8159 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8160 | const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8161 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Daniel Dunbar | 11e1b40 | 2009-05-02 18:28:39 +0000 | [diff] [blame] | 8162 | } |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8163 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8164 | // Try to find Exe from a Visual Studio distribution. This first tries to find |
| 8165 | // an installed copy of Visual Studio and, failing that, looks in the PATH, |
| 8166 | // making sure that whatever executable that's found is not a same-named exe |
| 8167 | // from clang itself to prevent clang from falling back to itself. |
| 8168 | static std::string FindVisualStudioExecutable(const ToolChain &TC, |
| 8169 | const char *Exe, |
| 8170 | const char *ClangProgramPath) { |
| 8171 | const auto &MSVC = static_cast<const toolchains::MSVCToolChain &>(TC); |
| 8172 | std::string visualStudioBinDir; |
| 8173 | if (MSVC.getVisualStudioBinariesFolder(ClangProgramPath, |
| 8174 | visualStudioBinDir)) { |
| 8175 | SmallString<128> FilePath(visualStudioBinDir); |
| 8176 | llvm::sys::path::append(FilePath, Exe); |
| 8177 | if (llvm::sys::fs::can_execute(FilePath.c_str())) |
| 8178 | return FilePath.str(); |
| 8179 | } |
| 8180 | |
| 8181 | return Exe; |
| 8182 | } |
| 8183 | |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8184 | void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 8185 | const InputInfo &Output, |
| 8186 | const InputInfoList &Inputs, |
| 8187 | const ArgList &Args, |
| 8188 | const char *LinkingOutput) const { |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8189 | ArgStringList CmdArgs; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8190 | const ToolChain &TC = getToolChain(); |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8191 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8192 | assert((Output.isFilename() || Output.isNothing()) && "invalid output"); |
| 8193 | if (Output.isFilename()) |
Daniel Dunbar | e5a37f4 | 2010-09-17 00:45:02 +0000 | [diff] [blame] | 8194 | CmdArgs.push_back(Args.MakeArgString(std::string("-out:") + |
| 8195 | Output.getFilename())); |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8196 | |
| 8197 | if (!Args.hasArg(options::OPT_nostdlib) && |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8198 | !Args.hasArg(options::OPT_nostartfiles) && !C.getDriver().IsCLMode()) |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8199 | CmdArgs.push_back("-defaultlib:libcmt"); |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8200 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8201 | if (!llvm::sys::Process::GetEnv("LIB")) { |
| 8202 | // If the VC environment hasn't been configured (perhaps because the user |
| 8203 | // did not run vcvarsall), try to build a consistent link environment. If |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 8204 | // the environment variable is set however, assume the user knows what |
| 8205 | // they're doing. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8206 | std::string VisualStudioDir; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8207 | const auto &MSVC = static_cast<const toolchains::MSVCToolChain &>(TC); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8208 | if (MSVC.getVisualStudioInstallDir(VisualStudioDir)) { |
| 8209 | SmallString<128> LibDir(VisualStudioDir); |
| 8210 | llvm::sys::path::append(LibDir, "VC", "lib"); |
| 8211 | switch (MSVC.getArch()) { |
| 8212 | case llvm::Triple::x86: |
| 8213 | // x86 just puts the libraries directly in lib |
| 8214 | break; |
| 8215 | case llvm::Triple::x86_64: |
| 8216 | llvm::sys::path::append(LibDir, "amd64"); |
| 8217 | break; |
| 8218 | case llvm::Triple::arm: |
| 8219 | llvm::sys::path::append(LibDir, "arm"); |
| 8220 | break; |
| 8221 | default: |
| 8222 | break; |
| 8223 | } |
| 8224 | CmdArgs.push_back( |
| 8225 | Args.MakeArgString(std::string("-libpath:") + LibDir.c_str())); |
| 8226 | } |
| 8227 | |
| 8228 | std::string WindowsSdkLibPath; |
| 8229 | if (MSVC.getWindowsSDKLibraryPath(WindowsSdkLibPath)) |
| 8230 | CmdArgs.push_back(Args.MakeArgString(std::string("-libpath:") + |
| 8231 | WindowsSdkLibPath.c_str())); |
| 8232 | } |
| 8233 | |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8234 | CmdArgs.push_back("-nologo"); |
| 8235 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8236 | if (Args.hasArg(options::OPT_g_Group)) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8237 | CmdArgs.push_back("-debug"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8238 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 8239 | bool DLL = Args.hasArg(options::OPT__SLASH_LD, |
| 8240 | options::OPT__SLASH_LDd, |
| 8241 | options::OPT_shared); |
Hans Wennborg | 6d0a8d5 | 2013-09-10 20:18:04 +0000 | [diff] [blame] | 8242 | if (DLL) { |
| 8243 | CmdArgs.push_back(Args.MakeArgString("-dll")); |
| 8244 | |
| 8245 | SmallString<128> ImplibName(Output.getFilename()); |
| 8246 | llvm::sys::path::replace_extension(ImplibName, "lib"); |
| 8247 | CmdArgs.push_back(Args.MakeArgString(std::string("-implib:") + |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 8248 | ImplibName)); |
Hans Wennborg | 6d0a8d5 | 2013-09-10 20:18:04 +0000 | [diff] [blame] | 8249 | } |
| 8250 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8251 | if (TC.getSanitizerArgs().needsAsanRt()) { |
Hans Wennborg | 324cc03 | 2013-08-28 17:36:07 +0000 | [diff] [blame] | 8252 | CmdArgs.push_back(Args.MakeArgString("-debug")); |
Hans Wennborg | 2ddffa1 | 2013-08-30 10:50:52 +0000 | [diff] [blame] | 8253 | CmdArgs.push_back(Args.MakeArgString("-incremental:no")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8254 | if (Args.hasArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd)) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8255 | static const char *CompilerRTComponents[] = { |
| 8256 | "asan_dynamic", |
| 8257 | "asan_dynamic_runtime_thunk", |
| 8258 | }; |
| 8259 | for (const auto &Component : CompilerRTComponents) |
| 8260 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Component))); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8261 | // Make sure the dynamic runtime thunk is not optimized out at link time |
| 8262 | // to ensure proper SEH handling. |
| 8263 | CmdArgs.push_back(Args.MakeArgString("-include:___asan_seh_interceptor")); |
| 8264 | } else if (DLL) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8265 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, "asan_dll_thunk"))); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8266 | } else { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8267 | static const char *CompilerRTComponents[] = { |
| 8268 | "asan", |
| 8269 | "asan_cxx", |
| 8270 | }; |
| 8271 | for (const auto &Component : CompilerRTComponents) |
| 8272 | CmdArgs.push_back(Args.MakeArgString(getCompilerRT(TC, Component))); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8273 | } |
Hans Wennborg | 3c4da0c | 2013-08-27 18:10:21 +0000 | [diff] [blame] | 8274 | } |
| 8275 | |
Hans Wennborg | 5db9527 | 2013-08-13 23:38:57 +0000 | [diff] [blame] | 8276 | Args.AddAllArgValues(CmdArgs, options::OPT__SLASH_link); |
Michael J. Spencer | a2284f5 | 2012-06-18 16:56:04 +0000 | [diff] [blame] | 8277 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8278 | // Add filenames, libraries, and other linker inputs. |
| 8279 | for (const auto &Input : Inputs) { |
| 8280 | if (Input.isFilename()) { |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8281 | CmdArgs.push_back(Input.getFilename()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8282 | continue; |
| 8283 | } |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8284 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8285 | const Arg &A = Input.getInputArg(); |
| 8286 | |
| 8287 | // Render -l options differently for the MSVC linker. |
| 8288 | if (A.getOption().matches(options::OPT_l)) { |
| 8289 | StringRef Lib = A.getValue(); |
| 8290 | const char *LinkLibArg; |
| 8291 | if (Lib.endswith(".lib")) |
| 8292 | LinkLibArg = Args.MakeArgString(Lib); |
| 8293 | else |
| 8294 | LinkLibArg = Args.MakeArgString(Lib + ".lib"); |
| 8295 | CmdArgs.push_back(LinkLibArg); |
| 8296 | continue; |
| 8297 | } |
| 8298 | |
| 8299 | // Otherwise, this is some other kind of linker input option like -Wl, -z, |
| 8300 | // or -L. Render it, even if MSVC doesn't understand it. |
| 8301 | A.renderAsInput(Args, CmdArgs); |
| 8302 | } |
| 8303 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8304 | // We need to special case some linker paths. In the case of lld, we need to |
| 8305 | // translate 'lld' into 'lld-link', and in the case of the regular msvc |
| 8306 | // linker, we need to use a special search algorithm. |
| 8307 | llvm::SmallString<128> linkPath; |
| 8308 | StringRef Linker = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "link"); |
| 8309 | if (Linker.equals_lower("lld")) |
| 8310 | Linker = "lld-link"; |
| 8311 | |
| 8312 | if (Linker.equals_lower("link")) { |
| 8313 | // If we're using the MSVC linker, it's not sufficient to just use link |
| 8314 | // from the program PATH, because other environments like GnuWin32 install |
| 8315 | // their own link.exe which may come first. |
| 8316 | linkPath = FindVisualStudioExecutable(TC, "link.exe", |
| 8317 | C.getDriver().getClangProgramPath()); |
| 8318 | } else { |
| 8319 | linkPath = Linker; |
| 8320 | llvm::sys::path::replace_extension(linkPath, "exe"); |
| 8321 | linkPath = TC.GetProgramPath(linkPath.c_str()); |
| 8322 | } |
| 8323 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8324 | const char *Exec = Args.MakeArgString(linkPath); |
| 8325 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Michael J. Spencer | ff58e36 | 2010-08-21 21:55:07 +0000 | [diff] [blame] | 8326 | } |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8327 | |
| 8328 | void visualstudio::Compile::ConstructJob(Compilation &C, const JobAction &JA, |
| 8329 | const InputInfo &Output, |
| 8330 | const InputInfoList &Inputs, |
| 8331 | const ArgList &Args, |
| 8332 | const char *LinkingOutput) const { |
| 8333 | C.addCommand(GetCommand(C, JA, Output, Inputs, Args, LinkingOutput)); |
| 8334 | } |
| 8335 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8336 | std::unique_ptr<Command> visualstudio::Compile::GetCommand( |
| 8337 | Compilation &C, const JobAction &JA, const InputInfo &Output, |
| 8338 | const InputInfoList &Inputs, const ArgList &Args, |
| 8339 | const char *LinkingOutput) const { |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8340 | ArgStringList CmdArgs; |
Hans Wennborg | 1413d62 | 2013-09-24 17:36:21 +0000 | [diff] [blame] | 8341 | CmdArgs.push_back("/nologo"); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8342 | CmdArgs.push_back("/c"); // Compile only. |
| 8343 | CmdArgs.push_back("/W0"); // No warnings. |
| 8344 | |
| 8345 | // The goal is to be able to invoke this tool correctly based on |
| 8346 | // any flag accepted by clang-cl. |
| 8347 | |
| 8348 | // These are spelled the same way in clang and cl.exe,. |
| 8349 | Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U); |
| 8350 | Args.AddAllArgs(CmdArgs, options::OPT_I); |
Hans Wennborg | a8ffc16 | 2013-09-24 18:17:21 +0000 | [diff] [blame] | 8351 | |
| 8352 | // Optimization level. |
| 8353 | if (Arg *A = Args.getLastArg(options::OPT_O, options::OPT_O0)) { |
| 8354 | if (A->getOption().getID() == options::OPT_O0) { |
| 8355 | CmdArgs.push_back("/Od"); |
| 8356 | } else { |
| 8357 | StringRef OptLevel = A->getValue(); |
| 8358 | if (OptLevel == "1" || OptLevel == "2" || OptLevel == "s") |
| 8359 | A->render(Args, CmdArgs); |
| 8360 | else if (OptLevel == "3") |
| 8361 | CmdArgs.push_back("/Ox"); |
| 8362 | } |
| 8363 | } |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8364 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 8365 | // Flags for which clang-cl has an alias. |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8366 | // FIXME: How can we ensure this stays in sync with relevant clang-cl options? |
| 8367 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8368 | if (Args.hasFlag(options::OPT__SLASH_GR_, options::OPT__SLASH_GR, |
| 8369 | /*default=*/false)) |
| 8370 | CmdArgs.push_back("/GR-"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8371 | if (Arg *A = Args.getLastArg(options::OPT_ffunction_sections, |
| 8372 | options::OPT_fno_function_sections)) |
| 8373 | CmdArgs.push_back(A->getOption().getID() == options::OPT_ffunction_sections |
| 8374 | ? "/Gy" |
| 8375 | : "/Gy-"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8376 | if (Arg *A = Args.getLastArg(options::OPT_fdata_sections, |
| 8377 | options::OPT_fno_data_sections)) |
| 8378 | CmdArgs.push_back( |
| 8379 | A->getOption().getID() == options::OPT_fdata_sections ? "/Gw" : "/Gw-"); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8380 | if (Args.hasArg(options::OPT_fsyntax_only)) |
| 8381 | CmdArgs.push_back("/Zs"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8382 | if (Args.hasArg(options::OPT_g_Flag, options::OPT_gline_tables_only)) |
| 8383 | CmdArgs.push_back("/Z7"); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8384 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 8385 | std::vector<std::string> Includes = |
| 8386 | Args.getAllArgValues(options::OPT_include); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8387 | for (const auto &Include : Includes) |
| 8388 | CmdArgs.push_back(Args.MakeArgString(std::string("/FI") + Include)); |
Hans Wennborg | 4fe475a | 2013-09-27 17:54:18 +0000 | [diff] [blame] | 8389 | |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8390 | // Flags that can simply be passed through. |
| 8391 | Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LD); |
| 8392 | Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LDd); |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8393 | Args.AddAllArgs(CmdArgs, options::OPT__SLASH_EH); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8394 | |
| 8395 | // The order of these flags is relevant, so pick the last one. |
| 8396 | if (Arg *A = Args.getLastArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd, |
| 8397 | options::OPT__SLASH_MT, options::OPT__SLASH_MTd)) |
| 8398 | A->render(Args, CmdArgs); |
| 8399 | |
| 8400 | |
| 8401 | // Input filename. |
| 8402 | assert(Inputs.size() == 1); |
| 8403 | const InputInfo &II = Inputs[0]; |
| 8404 | assert(II.getType() == types::TY_C || II.getType() == types::TY_CXX); |
| 8405 | CmdArgs.push_back(II.getType() == types::TY_C ? "/Tc" : "/Tp"); |
| 8406 | if (II.isFilename()) |
| 8407 | CmdArgs.push_back(II.getFilename()); |
| 8408 | else |
| 8409 | II.getInputArg().renderAsInput(Args, CmdArgs); |
| 8410 | |
| 8411 | // Output filename. |
| 8412 | assert(Output.getType() == types::TY_Object); |
| 8413 | const char *Fo = Args.MakeArgString(std::string("/Fo") + |
| 8414 | Output.getFilename()); |
| 8415 | CmdArgs.push_back(Fo); |
| 8416 | |
Hans Wennborg | dc40bf9 | 2013-09-20 18:16:35 +0000 | [diff] [blame] | 8417 | const Driver &D = getToolChain().getDriver(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8418 | std::string Exec = FindVisualStudioExecutable(getToolChain(), "cl.exe", |
| 8419 | D.getClangProgramPath()); |
| 8420 | return llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Exec), |
| 8421 | CmdArgs); |
Hans Wennborg | c8ba0a0 | 2013-09-19 20:32:16 +0000 | [diff] [blame] | 8422 | } |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8423 | |
| 8424 | |
| 8425 | /// XCore Tools |
| 8426 | // We pass assemble and link construction to the xcc tool. |
| 8427 | |
| 8428 | void XCore::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 8429 | const InputInfo &Output, |
| 8430 | const InputInfoList &Inputs, |
| 8431 | const ArgList &Args, |
| 8432 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8433 | claimNoWarnArgs(Args); |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8434 | ArgStringList CmdArgs; |
| 8435 | |
| 8436 | CmdArgs.push_back("-o"); |
| 8437 | CmdArgs.push_back(Output.getFilename()); |
| 8438 | |
| 8439 | CmdArgs.push_back("-c"); |
| 8440 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8441 | if (Args.hasArg(options::OPT_v)) |
| 8442 | CmdArgs.push_back("-v"); |
| 8443 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 8444 | if (Arg *A = Args.getLastArg(options::OPT_g_Group)) |
| 8445 | if (!A->getOption().matches(options::OPT_g0)) |
| 8446 | CmdArgs.push_back("-g"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8447 | |
| 8448 | if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm, |
| 8449 | false)) |
| 8450 | CmdArgs.push_back("-fverbose-asm"); |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8451 | |
| 8452 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, |
| 8453 | options::OPT_Xassembler); |
| 8454 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8455 | for (const auto &II : Inputs) |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8456 | CmdArgs.push_back(II.getFilename()); |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8457 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8458 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8459 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8460 | } |
| 8461 | |
| 8462 | void XCore::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 8463 | const InputInfo &Output, |
| 8464 | const InputInfoList &Inputs, |
| 8465 | const ArgList &Args, |
| 8466 | const char *LinkingOutput) const { |
| 8467 | ArgStringList CmdArgs; |
| 8468 | |
| 8469 | if (Output.isFilename()) { |
| 8470 | CmdArgs.push_back("-o"); |
| 8471 | CmdArgs.push_back(Output.getFilename()); |
| 8472 | } else { |
| 8473 | assert(Output.isNothing() && "Invalid output."); |
| 8474 | } |
| 8475 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8476 | if (Args.hasArg(options::OPT_v)) |
| 8477 | CmdArgs.push_back("-v"); |
| 8478 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8479 | if (exceptionSettings(Args, getToolChain().getTriple())) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 8480 | CmdArgs.push_back("-fexceptions"); |
| 8481 | |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8482 | AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs); |
| 8483 | |
Stephen Hines | ef82254 | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 8484 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc")); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8485 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
Robert Lytton | 4e490e2 | 2013-10-11 10:29:40 +0000 | [diff] [blame] | 8486 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8487 | |
| 8488 | void CrossWindows::Assemble::ConstructJob(Compilation &C, const JobAction &JA, |
| 8489 | const InputInfo &Output, |
| 8490 | const InputInfoList &Inputs, |
| 8491 | const ArgList &Args, |
| 8492 | const char *LinkingOutput) const { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 8493 | claimNoWarnArgs(Args); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8494 | const auto &TC = |
| 8495 | static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); |
| 8496 | ArgStringList CmdArgs; |
| 8497 | const char *Exec; |
| 8498 | |
| 8499 | switch (TC.getArch()) { |
| 8500 | default: llvm_unreachable("unsupported architecture"); |
| 8501 | case llvm::Triple::arm: |
| 8502 | case llvm::Triple::thumb: |
| 8503 | break; |
| 8504 | case llvm::Triple::x86: |
| 8505 | CmdArgs.push_back("--32"); |
| 8506 | break; |
| 8507 | case llvm::Triple::x86_64: |
| 8508 | CmdArgs.push_back("--64"); |
| 8509 | break; |
| 8510 | } |
| 8511 | |
| 8512 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
| 8513 | |
| 8514 | CmdArgs.push_back("-o"); |
| 8515 | CmdArgs.push_back(Output.getFilename()); |
| 8516 | |
| 8517 | for (const auto &Input : Inputs) |
| 8518 | CmdArgs.push_back(Input.getFilename()); |
| 8519 | |
| 8520 | const std::string Assembler = TC.GetProgramPath("as"); |
| 8521 | Exec = Args.MakeArgString(Assembler); |
| 8522 | |
| 8523 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
| 8524 | } |
| 8525 | |
| 8526 | void CrossWindows::Link::ConstructJob(Compilation &C, const JobAction &JA, |
| 8527 | const InputInfo &Output, |
| 8528 | const InputInfoList &Inputs, |
| 8529 | const ArgList &Args, |
| 8530 | const char *LinkingOutput) const { |
| 8531 | const auto &TC = |
| 8532 | static_cast<const toolchains::CrossWindowsToolChain &>(getToolChain()); |
| 8533 | const llvm::Triple &T = TC.getTriple(); |
| 8534 | const Driver &D = TC.getDriver(); |
| 8535 | SmallString<128> EntryPoint; |
| 8536 | ArgStringList CmdArgs; |
| 8537 | const char *Exec; |
| 8538 | |
| 8539 | // Silence warning for "clang -g foo.o -o foo" |
| 8540 | Args.ClaimAllArgs(options::OPT_g_Group); |
| 8541 | // and "clang -emit-llvm foo.o -o foo" |
| 8542 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
| 8543 | // and for "clang -w foo.o -o foo" |
| 8544 | Args.ClaimAllArgs(options::OPT_w); |
| 8545 | // Other warning options are already handled somewhere else. |
| 8546 | |
| 8547 | if (!D.SysRoot.empty()) |
| 8548 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
| 8549 | |
| 8550 | if (Args.hasArg(options::OPT_pie)) |
| 8551 | CmdArgs.push_back("-pie"); |
| 8552 | if (Args.hasArg(options::OPT_rdynamic)) |
| 8553 | CmdArgs.push_back("-export-dynamic"); |
| 8554 | if (Args.hasArg(options::OPT_s)) |
| 8555 | CmdArgs.push_back("--strip-all"); |
| 8556 | |
| 8557 | CmdArgs.push_back("-m"); |
| 8558 | switch (TC.getArch()) { |
| 8559 | default: llvm_unreachable("unsupported architecture"); |
| 8560 | case llvm::Triple::arm: |
| 8561 | case llvm::Triple::thumb: |
| 8562 | // FIXME: this is incorrect for WinCE |
| 8563 | CmdArgs.push_back("thumb2pe"); |
| 8564 | break; |
| 8565 | case llvm::Triple::x86: |
| 8566 | CmdArgs.push_back("i386pe"); |
| 8567 | EntryPoint.append("_"); |
| 8568 | break; |
| 8569 | case llvm::Triple::x86_64: |
| 8570 | CmdArgs.push_back("i386pep"); |
| 8571 | break; |
| 8572 | } |
| 8573 | |
| 8574 | if (Args.hasArg(options::OPT_shared)) { |
| 8575 | switch (T.getArch()) { |
| 8576 | default: llvm_unreachable("unsupported architecture"); |
| 8577 | case llvm::Triple::arm: |
| 8578 | case llvm::Triple::thumb: |
| 8579 | case llvm::Triple::x86_64: |
| 8580 | EntryPoint.append("_DllMainCRTStartup"); |
| 8581 | break; |
| 8582 | case llvm::Triple::x86: |
| 8583 | EntryPoint.append("_DllMainCRTStartup@12"); |
| 8584 | break; |
| 8585 | } |
| 8586 | |
| 8587 | CmdArgs.push_back("-shared"); |
| 8588 | CmdArgs.push_back("-Bdynamic"); |
| 8589 | |
| 8590 | CmdArgs.push_back("--enable-auto-image-base"); |
| 8591 | |
| 8592 | CmdArgs.push_back("--entry"); |
| 8593 | CmdArgs.push_back(Args.MakeArgString(EntryPoint)); |
| 8594 | } else { |
| 8595 | EntryPoint.append("mainCRTStartup"); |
| 8596 | |
| 8597 | CmdArgs.push_back(Args.hasArg(options::OPT_static) ? "-Bstatic" |
| 8598 | : "-Bdynamic"); |
| 8599 | |
| 8600 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 8601 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 8602 | CmdArgs.push_back("--entry"); |
| 8603 | CmdArgs.push_back(Args.MakeArgString(EntryPoint)); |
| 8604 | } |
| 8605 | |
| 8606 | // FIXME: handle subsystem |
| 8607 | } |
| 8608 | |
| 8609 | // NOTE: deal with multiple definitions on Windows (e.g. COMDAT) |
| 8610 | CmdArgs.push_back("--allow-multiple-definition"); |
| 8611 | |
| 8612 | CmdArgs.push_back("-o"); |
| 8613 | CmdArgs.push_back(Output.getFilename()); |
| 8614 | |
| 8615 | if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_rdynamic)) { |
| 8616 | SmallString<261> ImpLib(Output.getFilename()); |
| 8617 | llvm::sys::path::replace_extension(ImpLib, ".lib"); |
| 8618 | |
| 8619 | CmdArgs.push_back("--out-implib"); |
| 8620 | CmdArgs.push_back(Args.MakeArgString(ImpLib)); |
| 8621 | } |
| 8622 | |
| 8623 | if (!Args.hasArg(options::OPT_nostdlib) && |
| 8624 | !Args.hasArg(options::OPT_nostartfiles)) { |
| 8625 | const std::string CRTPath(D.SysRoot + "/usr/lib/"); |
| 8626 | const char *CRTBegin; |
| 8627 | |
| 8628 | CRTBegin = |
| 8629 | Args.hasArg(options::OPT_shared) ? "crtbeginS.obj" : "crtbegin.obj"; |
| 8630 | CmdArgs.push_back(Args.MakeArgString(CRTPath + CRTBegin)); |
| 8631 | } |
| 8632 | |
| 8633 | Args.AddAllArgs(CmdArgs, options::OPT_L); |
| 8634 | |
| 8635 | const auto &Paths = TC.getFilePaths(); |
| 8636 | for (const auto &Path : Paths) |
| 8637 | CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path)); |
| 8638 | |
| 8639 | AddLinkerInputs(TC, Inputs, Args, CmdArgs); |
| 8640 | |
| 8641 | if (D.CCCIsCXX() && !Args.hasArg(options::OPT_nostdlib) && |
| 8642 | !Args.hasArg(options::OPT_nodefaultlibs)) { |
| 8643 | bool StaticCXX = Args.hasArg(options::OPT_static_libstdcxx) && |
| 8644 | !Args.hasArg(options::OPT_static); |
| 8645 | if (StaticCXX) |
| 8646 | CmdArgs.push_back("-Bstatic"); |
| 8647 | TC.AddCXXStdlibLibArgs(Args, CmdArgs); |
| 8648 | if (StaticCXX) |
| 8649 | CmdArgs.push_back("-Bdynamic"); |
| 8650 | } |
| 8651 | |
| 8652 | if (!Args.hasArg(options::OPT_nostdlib)) { |
| 8653 | if (!Args.hasArg(options::OPT_nodefaultlibs)) { |
| 8654 | // TODO handle /MT[d] /MD[d] |
| 8655 | CmdArgs.push_back("-lmsvcrt"); |
| 8656 | AddRunTimeLibs(TC, D, CmdArgs, Args); |
| 8657 | } |
| 8658 | } |
| 8659 | |
| 8660 | const std::string Linker = TC.GetProgramPath("ld"); |
| 8661 | Exec = Args.MakeArgString(Linker); |
| 8662 | |
| 8663 | C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs)); |
| 8664 | } |