Check in LLVM r95781.
diff --git a/lib/Driver/Action.cpp b/lib/Driver/Action.cpp
new file mode 100644
index 0000000..6243489
--- /dev/null
+++ b/lib/Driver/Action.cpp
@@ -0,0 +1,79 @@
+//===--- Action.cpp - Abstract compilation steps ------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Action.h"
+
+#include <cassert>
+using namespace clang::driver;
+
+Action::~Action() {
+ // FIXME: Free the inputs. The problem is that BindArchAction shares
+ // inputs; so we can't just walk the inputs.
+}
+
+const char *Action::getClassName(ActionClass AC) {
+ switch (AC) {
+ case InputClass: return "input";
+ case BindArchClass: return "bind-arch";
+ case PreprocessJobClass: return "preprocessor";
+ case PrecompileJobClass: return "precompiler";
+ case AnalyzeJobClass: return "analyzer";
+ case CompileJobClass: return "compiler";
+ case AssembleJobClass: return "assembler";
+ case LinkJobClass: return "linker";
+ case LipoJobClass: return "lipo";
+ }
+
+ assert(0 && "invalid class");
+ return 0;
+}
+
+InputAction::InputAction(const Arg &_Input, types::ID _Type)
+ : Action(InputClass, _Type), Input(_Input) {
+}
+
+BindArchAction::BindArchAction(Action *Input, const char *_ArchName)
+ : Action(BindArchClass, Input, Input->getType()), ArchName(_ArchName) {
+}
+
+JobAction::JobAction(ActionClass Kind, Action *Input, types::ID Type)
+ : Action(Kind, Input, Type) {
+}
+
+JobAction::JobAction(ActionClass Kind, const ActionList &Inputs, types::ID Type)
+ : Action(Kind, Inputs, Type) {
+}
+
+PreprocessJobAction::PreprocessJobAction(Action *Input, types::ID OutputType)
+ : JobAction(PreprocessJobClass, Input, OutputType) {
+}
+
+PrecompileJobAction::PrecompileJobAction(Action *Input, types::ID OutputType)
+ : JobAction(PrecompileJobClass, Input, OutputType) {
+}
+
+AnalyzeJobAction::AnalyzeJobAction(Action *Input, types::ID OutputType)
+ : JobAction(AnalyzeJobClass, Input, OutputType) {
+}
+
+CompileJobAction::CompileJobAction(Action *Input, types::ID OutputType)
+ : JobAction(CompileJobClass, Input, OutputType) {
+}
+
+AssembleJobAction::AssembleJobAction(Action *Input, types::ID OutputType)
+ : JobAction(AssembleJobClass, Input, OutputType) {
+}
+
+LinkJobAction::LinkJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(LinkJobClass, Inputs, Type) {
+}
+
+LipoJobAction::LipoJobAction(ActionList &Inputs, types::ID Type)
+ : JobAction(LipoJobClass, Inputs, Type) {
+}
diff --git a/lib/Driver/Arg.cpp b/lib/Driver/Arg.cpp
new file mode 100644
index 0000000..a09ba09
--- /dev/null
+++ b/lib/Driver/Arg.cpp
@@ -0,0 +1,191 @@
+//===--- Arg.cpp - Argument Implementations -----------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Option.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang::driver;
+
+Arg::Arg(ArgClass _Kind, const Option *_Opt, unsigned _Index,
+ const Arg *_BaseArg)
+ : Kind(_Kind), Opt(_Opt), BaseArg(_BaseArg), Index(_Index), Claimed(false) {
+}
+
+Arg::~Arg() { }
+
+void Arg::dump() const {
+ llvm::errs() << "<";
+ switch (Kind) {
+ default:
+ assert(0 && "Invalid kind");
+#define P(N) case N: llvm::errs() << #N; break
+ P(FlagClass);
+ P(PositionalClass);
+ P(JoinedClass);
+ P(SeparateClass);
+ P(CommaJoinedClass);
+ P(JoinedAndSeparateClass);
+#undef P
+ }
+
+ llvm::errs() << " Opt:";
+ Opt->dump();
+
+ llvm::errs() << " Index:" << Index;
+
+ if (isa<CommaJoinedArg>(this) || isa<SeparateArg>(this))
+ llvm::errs() << " NumValues:" << getNumValues();
+
+ llvm::errs() << ">\n";
+}
+
+std::string Arg::getAsString(const ArgList &Args) const {
+ std::string Res;
+ llvm::raw_string_ostream OS(Res);
+
+ ArgStringList ASL;
+ render(Args, ASL);
+ for (ArgStringList::iterator
+ it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
+ if (it != ASL.begin())
+ OS << ' ';
+ OS << *it;
+ }
+
+ return OS.str();
+}
+
+void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
+ if (!getOption().hasNoOptAsInput()) {
+ render(Args, Output);
+ return;
+ }
+
+ for (unsigned i = 0, e = getNumValues(); i != e; ++i)
+ Output.push_back(getValue(Args, i));
+}
+
+FlagArg::FlagArg(const Option *Opt, unsigned Index, const Arg *BaseArg)
+ : Arg(FlagClass, Opt, Index, BaseArg) {
+}
+
+void FlagArg::render(const ArgList &Args, ArgStringList &Output) const {
+ Output.push_back(Args.getArgString(getIndex()));
+}
+
+const char *FlagArg::getValue(const ArgList &Args, unsigned N) const {
+ assert(0 && "Invalid index.");
+ return 0;
+}
+
+PositionalArg::PositionalArg(const Option *Opt, unsigned Index,
+ const Arg *BaseArg)
+ : Arg(PositionalClass, Opt, Index, BaseArg) {
+}
+
+void PositionalArg::render(const ArgList &Args, ArgStringList &Output) const {
+ Output.push_back(Args.getArgString(getIndex()));
+}
+
+const char *PositionalArg::getValue(const ArgList &Args, unsigned N) const {
+ assert(N < getNumValues() && "Invalid index.");
+ return Args.getArgString(getIndex());
+}
+
+JoinedArg::JoinedArg(const Option *Opt, unsigned Index, const Arg *BaseArg)
+ : Arg(JoinedClass, Opt, Index, BaseArg) {
+}
+
+void JoinedArg::render(const ArgList &Args, ArgStringList &Output) const {
+ if (getOption().hasForceSeparateRender()) {
+ Output.push_back(getOption().getName());
+ Output.push_back(getValue(Args, 0));
+ } else {
+ Output.push_back(Args.getArgString(getIndex()));
+ }
+}
+
+const char *JoinedArg::getValue(const ArgList &Args, unsigned N) const {
+ assert(N < getNumValues() && "Invalid index.");
+ // FIXME: Avoid strlen.
+ return Args.getArgString(getIndex()) + strlen(getOption().getName());
+}
+
+CommaJoinedArg::CommaJoinedArg(const Option *Opt, unsigned Index,
+ const char *Str, const Arg *BaseArg)
+ : Arg(CommaJoinedClass, Opt, Index, BaseArg) {
+ const char *Prev = Str;
+ for (;; ++Str) {
+ char c = *Str;
+
+ if (!c) {
+ if (Prev != Str)
+ Values.push_back(std::string(Prev, Str));
+ break;
+ } else if (c == ',') {
+ if (Prev != Str)
+ Values.push_back(std::string(Prev, Str));
+ Prev = Str + 1;
+ }
+ }
+}
+
+void CommaJoinedArg::render(const ArgList &Args, ArgStringList &Output) const {
+ Output.push_back(Args.getArgString(getIndex()));
+}
+
+const char *CommaJoinedArg::getValue(const ArgList &Args, unsigned N) const {
+ assert(N < getNumValues() && "Invalid index.");
+ return Values[N].c_str();
+}
+
+SeparateArg::SeparateArg(const Option *Opt, unsigned Index, unsigned _NumValues,
+ const Arg *BaseArg)
+ : Arg(SeparateClass, Opt, Index, BaseArg), NumValues(_NumValues) {
+}
+
+void SeparateArg::render(const ArgList &Args, ArgStringList &Output) const {
+ if (getOption().hasForceJoinedRender()) {
+ assert(getNumValues() == 1 && "Cannot force joined render with > 1 args.");
+ // FIXME: Avoid std::string.
+ std::string Joined(getOption().getName());
+ Joined += Args.getArgString(getIndex());
+ Output.push_back(Args.MakeArgString(Joined.c_str()));
+ } else {
+ Output.push_back(Args.getArgString(getIndex()));
+ for (unsigned i = 0; i < NumValues; ++i)
+ Output.push_back(Args.getArgString(getIndex() + 1 + i));
+ }
+}
+
+const char *SeparateArg::getValue(const ArgList &Args, unsigned N) const {
+ assert(N < getNumValues() && "Invalid index.");
+ return Args.getArgString(getIndex() + 1 + N);
+}
+
+JoinedAndSeparateArg::JoinedAndSeparateArg(const Option *Opt, unsigned Index,
+ const Arg *BaseArg)
+ : Arg(JoinedAndSeparateClass, Opt, Index, BaseArg) {
+}
+
+void JoinedAndSeparateArg::render(const ArgList &Args,
+ ArgStringList &Output) const {
+ Output.push_back(Args.getArgString(getIndex()));
+ Output.push_back(Args.getArgString(getIndex() + 1));
+}
+
+const char *JoinedAndSeparateArg::getValue(const ArgList &Args,
+ unsigned N) const {
+ assert(N < getNumValues() && "Invalid index.");
+ if (N == 0)
+ return Args.getArgString(getIndex()) + strlen(getOption().getName());
+ return Args.getArgString(getIndex() + 1);
+}
diff --git a/lib/Driver/ArgList.cpp b/lib/Driver/ArgList.cpp
new file mode 100644
index 0000000..8a57d14
--- /dev/null
+++ b/lib/Driver/ArgList.cpp
@@ -0,0 +1,240 @@
+//===--- ArgList.cpp - Argument List Management -------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/Option.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang::driver;
+
+void arg_iterator::SkipToNextArg() {
+ for (; Current != Args.end(); ++Current) {
+ // Done if there are no filters.
+ if (!Id0.isValid())
+ break;
+
+ // Otherwise require a match.
+ const Option &O = (*Current)->getOption();
+ if (O.matches(Id0) ||
+ (Id1.isValid() && O.matches(Id1)) ||
+ (Id2.isValid() && O.matches(Id2)))
+ break;
+ }
+}
+
+//
+
+ArgList::ArgList(arglist_type &_Args) : Args(_Args) {
+}
+
+ArgList::~ArgList() {
+}
+
+void ArgList::append(Arg *A) {
+ Args.push_back(A);
+}
+
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
+ // FIXME: Make search efficient?
+ for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+ if ((*it)->getOption().matches(Id))
+ return *it;
+ return 0;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id) const {
+ Arg *A = getLastArgNoClaim(Id);
+ if (A)
+ A->claim();
+ return A;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
+ Arg *Res, *A0 = getLastArgNoClaim(Id0), *A1 = getLastArgNoClaim(Id1);
+
+ if (A0 && A1)
+ Res = A0->getIndex() > A1->getIndex() ? A0 : A1;
+ else
+ Res = A0 ? A0 : A1;
+
+ if (Res)
+ Res->claim();
+
+ return Res;
+}
+
+Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
+ OptSpecifier Id2) const {
+ Arg *Res = 0;
+ Arg *A0 = getLastArgNoClaim(Id0);
+ Arg *A1 = getLastArgNoClaim(Id1);
+ Arg *A2 = getLastArgNoClaim(Id2);
+
+ int A0Idx = A0 ? A0->getIndex() : -1;
+ int A1Idx = A1 ? A1->getIndex() : -1;
+ int A2Idx = A2 ? A2->getIndex() : -1;
+
+ if (A0Idx > A1Idx) {
+ if (A0Idx > A2Idx)
+ Res = A0;
+ else if (A2Idx != -1)
+ Res = A2;
+ } else {
+ if (A1Idx > A2Idx)
+ Res = A1;
+ else if (A2Idx != -1)
+ Res = A2;
+ }
+
+ if (Res)
+ Res->claim();
+
+ return Res;
+}
+
+bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
+ if (Arg *A = getLastArg(Pos, Neg))
+ return A->getOption().matches(Pos);
+ return Default;
+}
+
+void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
+ if (Arg *A = getLastArg(Id)) {
+ A->claim();
+ A->render(*this, Output);
+ }
+}
+
+void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
+ OptSpecifier Id1, OptSpecifier Id2) const {
+ for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
+ ie = filtered_end(); it != ie; ++it) {
+ it->claim();
+ it->render(*this, Output);
+ }
+}
+
+void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
+ OptSpecifier Id1, OptSpecifier Id2) const {
+ for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
+ ie = filtered_end(); it != ie; ++it) {
+ it->claim();
+ for (unsigned i = 0, e = it->getNumValues(); i != e; ++i)
+ Output.push_back(it->getValue(*this, i));
+ }
+}
+
+void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
+ const char *Translation,
+ bool Joined) const {
+ for (arg_iterator it = filtered_begin(Id0),
+ ie = filtered_end(); it != ie; ++it) {
+ it->claim();
+
+ if (Joined) {
+ Output.push_back(MakeArgString(llvm::StringRef(Translation) +
+ it->getValue(*this, 0)));
+ } else {
+ Output.push_back(Translation);
+ Output.push_back(it->getValue(*this, 0));
+ }
+ }
+}
+
+void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
+ for (arg_iterator it = filtered_begin(Id0),
+ ie = filtered_end(); it != ie; ++it)
+ it->claim();
+}
+
+const char *ArgList::MakeArgString(const llvm::Twine &T) const {
+ llvm::SmallString<256> Str;
+ T.toVector(Str);
+ return MakeArgString(Str.str());
+}
+
+//
+
+InputArgList::InputArgList(const char **ArgBegin, const char **ArgEnd)
+ : ArgList(ActualArgs), NumInputArgStrings(ArgEnd - ArgBegin) {
+ ArgStrings.append(ArgBegin, ArgEnd);
+}
+
+InputArgList::~InputArgList() {
+ // An InputArgList always owns its arguments.
+ for (iterator it = begin(), ie = end(); it != ie; ++it)
+ delete *it;
+}
+
+unsigned InputArgList::MakeIndex(llvm::StringRef String0) const {
+ unsigned Index = ArgStrings.size();
+
+ // Tuck away so we have a reliable const char *.
+ SynthesizedStrings.push_back(String0);
+ ArgStrings.push_back(SynthesizedStrings.back().c_str());
+
+ return Index;
+}
+
+unsigned InputArgList::MakeIndex(llvm::StringRef String0,
+ llvm::StringRef String1) const {
+ unsigned Index0 = MakeIndex(String0);
+ unsigned Index1 = MakeIndex(String1);
+ assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
+ (void) Index1;
+ return Index0;
+}
+
+const char *InputArgList::MakeArgString(llvm::StringRef Str) const {
+ return getArgString(MakeIndex(Str));
+}
+
+//
+
+DerivedArgList::DerivedArgList(InputArgList &_BaseArgs, bool _OnlyProxy)
+ : ArgList(_OnlyProxy ? _BaseArgs.getArgs() : ActualArgs),
+ BaseArgs(_BaseArgs), OnlyProxy(_OnlyProxy) {
+}
+
+DerivedArgList::~DerivedArgList() {
+ // We only own the arguments we explicitly synthesized.
+ for (iterator it = SynthesizedArgs.begin(), ie = SynthesizedArgs.end();
+ it != ie; ++it)
+ delete *it;
+}
+
+const char *DerivedArgList::MakeArgString(llvm::StringRef Str) const {
+ return BaseArgs.MakeArgString(Str);
+}
+
+Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option *Opt) const {
+ return new FlagArg(Opt, BaseArgs.MakeIndex(Opt->getName()), BaseArg);
+}
+
+Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option *Opt,
+ llvm::StringRef Value) const {
+ return new PositionalArg(Opt, BaseArgs.MakeIndex(Value), BaseArg);
+}
+
+Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option *Opt,
+ llvm::StringRef Value) const {
+ return new SeparateArg(Opt, BaseArgs.MakeIndex(Opt->getName(), Value), 1,
+ BaseArg);
+}
+
+Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option *Opt,
+ llvm::StringRef Value) const {
+ std::string Joined(Opt->getName());
+ Joined += Value;
+ return new JoinedArg(Opt, BaseArgs.MakeIndex(Joined.c_str()), BaseArg);
+}
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
new file mode 100644
index 0000000..0e98bb9
--- /dev/null
+++ b/lib/Driver/CC1Options.cpp
@@ -0,0 +1,38 @@
+//===--- CC1Options.cpp - Clang CC1 Options Table -----------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/CC1Options.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/OptTable.h"
+using namespace clang;
+using namespace clang::driver;
+using namespace clang::driver::options;
+using namespace clang::driver::cc1options;
+
+static const OptTable::Info CC1InfoTable[] = {
+#define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR) \
+ { NAME, HELPTEXT, METAVAR, Option::KIND##Class, FLAGS, PARAM, \
+ OPT_##GROUP, OPT_##ALIAS },
+#include "clang/Driver/CC1Options.inc"
+};
+
+namespace {
+
+class CC1OptTable : public OptTable {
+public:
+ CC1OptTable()
+ : OptTable(CC1InfoTable, sizeof(CC1InfoTable) / sizeof(CC1InfoTable[0])) {}
+};
+
+}
+
+OptTable *clang::driver::createCC1OptTable() {
+ return new CC1OptTable();
+}
diff --git a/lib/Driver/CMakeLists.txt b/lib/Driver/CMakeLists.txt
new file mode 100644
index 0000000..60d8e9c
--- /dev/null
+++ b/lib/Driver/CMakeLists.txt
@@ -0,0 +1,23 @@
+set(LLVM_NO_RTTI 1)
+
+add_clang_library(clangDriver
+ Action.cpp
+ Arg.cpp
+ ArgList.cpp
+ CC1Options.cpp
+ Compilation.cpp
+ Driver.cpp
+ DriverOptions.cpp
+ HostInfo.cpp
+ Job.cpp
+ OptTable.cpp
+ Option.cpp
+ Phases.cpp
+ Tool.cpp
+ ToolChain.cpp
+ ToolChains.cpp
+ Tools.cpp
+ Types.cpp
+ )
+
+add_dependencies(clangDriver ClangDiagnosticDriver ClangDriverOptions ClangCC1Options)
diff --git a/lib/Driver/Compilation.cpp b/lib/Driver/Compilation.cpp
new file mode 100644
index 0000000..b819cda
--- /dev/null
+++ b/lib/Driver/Compilation.cpp
@@ -0,0 +1,167 @@
+//===--- Compilation.cpp - Compilation Task Implementation --------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Compilation.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/ToolChain.h"
+
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Program.h"
+#include <sys/stat.h>
+#include <errno.h>
+using namespace clang::driver;
+
+Compilation::Compilation(const Driver &D,
+ const ToolChain &_DefaultToolChain,
+ InputArgList *_Args)
+ : TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args) {
+}
+
+Compilation::~Compilation() {
+ delete Args;
+
+ // Free any derived arg lists.
+ for (llvm::DenseMap<std::pair<const ToolChain*, const char*>,
+ DerivedArgList*>::iterator it = TCArgs.begin(),
+ ie = TCArgs.end(); it != ie; ++it)
+ delete it->second;
+
+ // Free the actions, if built.
+ for (ActionList::iterator it = Actions.begin(), ie = Actions.end();
+ it != ie; ++it)
+ delete *it;
+}
+
+const DerivedArgList &Compilation::getArgsForToolChain(const ToolChain *TC,
+ const char *BoundArch) {
+ if (!TC)
+ TC = &DefaultToolChain;
+
+ DerivedArgList *&Entry = TCArgs[std::make_pair(TC, BoundArch)];
+ if (!Entry)
+ Entry = TC->TranslateArgs(*Args, BoundArch);
+
+ return *Entry;
+}
+
+void Compilation::PrintJob(llvm::raw_ostream &OS, const Job &J,
+ const char *Terminator, bool Quote) const {
+ if (const Command *C = dyn_cast<Command>(&J)) {
+ OS << " \"" << C->getExecutable() << '"';
+ for (ArgStringList::const_iterator it = C->getArguments().begin(),
+ ie = C->getArguments().end(); it != ie; ++it) {
+ if (Quote)
+ OS << " \"" << *it << '"';
+ else
+ OS << ' ' << *it;
+ }
+ OS << Terminator;
+ } else if (const PipedJob *PJ = dyn_cast<PipedJob>(&J)) {
+ for (PipedJob::const_iterator
+ it = PJ->begin(), ie = PJ->end(); it != ie; ++it)
+ PrintJob(OS, **it, (it + 1 != PJ->end()) ? " |\n" : "\n", Quote);
+ } else {
+ const JobList *Jobs = cast<JobList>(&J);
+ for (JobList::const_iterator
+ it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
+ PrintJob(OS, **it, Terminator, Quote);
+ }
+}
+
+bool Compilation::CleanupFileList(const ArgStringList &Files,
+ bool IssueErrors) const {
+ bool Success = true;
+
+ for (ArgStringList::const_iterator
+ it = Files.begin(), ie = Files.end(); it != ie; ++it) {
+
+ llvm::sys::Path P(*it);
+ std::string Error;
+
+ if (!P.isRegularFile()) {
+ // If we have a special file in our list, i.e. /dev/null
+ // then don't call eraseFromDisk() and just continue.
+ continue;
+ }
+
+ if (P.eraseFromDisk(false, &Error)) {
+ // Failure is only failure if the file doesn't exist. There is a
+ // race condition here due to the limited interface of
+ // llvm::sys::Path, we want to know if the removal gave E_NOENT.
+
+ // FIXME: Grumble, P.exists() is broken. PR3837.
+ struct stat buf;
+ if (::stat(P.c_str(), &buf) == 0
+ || errno != ENOENT) {
+ if (IssueErrors)
+ getDriver().Diag(clang::diag::err_drv_unable_to_remove_file)
+ << Error;
+ Success = false;
+ }
+ }
+ }
+
+ return Success;
+}
+
+int Compilation::ExecuteCommand(const Command &C,
+ const Command *&FailingCommand) const {
+ llvm::sys::Path Prog(C.getExecutable());
+ const char **Argv = new const char*[C.getArguments().size() + 2];
+ Argv[0] = C.getExecutable();
+ std::copy(C.getArguments().begin(), C.getArguments().end(), Argv+1);
+ Argv[C.getArguments().size() + 1] = 0;
+
+ if (getDriver().CCCEcho || getArgs().hasArg(options::OPT_v))
+ PrintJob(llvm::errs(), C, "\n", false);
+
+ std::string Error;
+ int Res =
+ llvm::sys::Program::ExecuteAndWait(Prog, Argv,
+ /*env*/0, /*redirects*/0,
+ /*secondsToWait*/0, /*memoryLimit*/0,
+ &Error);
+ if (!Error.empty()) {
+ assert(Res && "Error string set with 0 result code!");
+ getDriver().Diag(clang::diag::err_drv_command_failure) << Error;
+ }
+
+ if (Res)
+ FailingCommand = &C;
+
+ delete[] Argv;
+ return Res;
+}
+
+int Compilation::ExecuteJob(const Job &J,
+ const Command *&FailingCommand) const {
+ if (const Command *C = dyn_cast<Command>(&J)) {
+ return ExecuteCommand(*C, FailingCommand);
+ } else if (const PipedJob *PJ = dyn_cast<PipedJob>(&J)) {
+ // Piped commands with a single job are easy.
+ if (PJ->size() == 1)
+ return ExecuteCommand(**PJ->begin(), FailingCommand);
+
+ FailingCommand = *PJ->begin();
+ getDriver().Diag(clang::diag::err_drv_unsupported_opt) << "-pipe";
+ return 1;
+ } else {
+ const JobList *Jobs = cast<JobList>(&J);
+ for (JobList::const_iterator
+ it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
+ if (int Res = ExecuteJob(**it, FailingCommand))
+ return Res;
+ return 0;
+ }
+}
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
new file mode 100644
index 0000000..a2fc5aa
--- /dev/null
+++ b/lib/Driver/Driver.cpp
@@ -0,0 +1,1226 @@
+//===--- Driver.cpp - Clang GCC Compatible Driver -----------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Driver.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/HostInfo.h"
+#include "clang/Driver/Job.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/ToolChain.h"
+#include "clang/Driver/Types.h"
+
+#include "clang/Basic/Version.h"
+
+#include "llvm/ADT/StringSet.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Path.h"
+#include "llvm/System/Program.h"
+
+#include "InputInfo.h"
+
+#include <map>
+
+using namespace clang::driver;
+using namespace clang;
+
+// Used to set values for "production" clang, for releases.
+// #define USE_PRODUCTION_CLANG
+
+Driver::Driver(llvm::StringRef _Name, llvm::StringRef _Dir,
+ llvm::StringRef _DefaultHostTriple,
+ llvm::StringRef _DefaultImageName,
+ bool IsProduction, Diagnostic &_Diags)
+ : Opts(createDriverOptTable()), Diags(_Diags),
+ Name(_Name), Dir(_Dir), DefaultHostTriple(_DefaultHostTriple),
+ DefaultImageName(_DefaultImageName),
+ Host(0),
+ CCCGenericGCCName("gcc"), CCCIsCXX(false), CCCEcho(false),
+ CCCPrintBindings(false), CheckInputsExist(true), CCCUseClang(true),
+ CCCUseClangCXX(true), CCCUseClangCPP(true), CCCUsePCH(true),
+ SuppressMissingInputWarning(false) {
+ if (IsProduction) {
+ // In a "production" build, only use clang on architectures we expect to
+ // work, and don't use clang C++.
+ //
+ // During development its more convenient to always have the driver use
+ // clang, but we don't want users to be confused when things don't work, or
+ // to file bugs for things we don't support.
+ CCCClangArchs.insert(llvm::Triple::x86);
+ CCCClangArchs.insert(llvm::Triple::x86_64);
+ CCCClangArchs.insert(llvm::Triple::arm);
+
+ CCCUseClangCXX = false;
+ }
+
+ // Compute the path to the resource directory.
+ llvm::sys::Path P(Dir);
+ P.eraseComponent(); // Remove /bin from foo/bin
+ P.appendComponent("lib");
+ P.appendComponent("clang");
+ P.appendComponent(CLANG_VERSION_STRING);
+ ResourceDir = P.str();
+}
+
+Driver::~Driver() {
+ delete Opts;
+ delete Host;
+}
+
+InputArgList *Driver::ParseArgStrings(const char **ArgBegin,
+ const char **ArgEnd) {
+ llvm::PrettyStackTraceString CrashInfo("Command line argument parsing");
+ unsigned MissingArgIndex, MissingArgCount;
+ InputArgList *Args = getOpts().ParseArgs(ArgBegin, ArgEnd,
+ MissingArgIndex, MissingArgCount);
+
+ // Check for missing argument error.
+ if (MissingArgCount)
+ Diag(clang::diag::err_drv_missing_argument)
+ << Args->getArgString(MissingArgIndex) << MissingArgCount;
+
+ // Check for unsupported options.
+ for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
+ it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().isUnsupported()) {
+ Diag(clang::diag::err_drv_unsupported_opt) << A->getAsString(*Args);
+ continue;
+ }
+ }
+
+ return Args;
+}
+
+Compilation *Driver::BuildCompilation(int argc, const char **argv) {
+ llvm::PrettyStackTraceString CrashInfo("Compilation construction");
+
+ // FIXME: Handle environment options which effect driver behavior, somewhere
+ // (client?). GCC_EXEC_PREFIX, COMPILER_PATH, LIBRARY_PATH, LPATH,
+ // CC_PRINT_OPTIONS.
+
+ // FIXME: What are we going to do with -V and -b?
+
+ // FIXME: This stuff needs to go into the Compilation, not the driver.
+ bool CCCPrintOptions = false, CCCPrintActions = false;
+
+ const char **Start = argv + 1, **End = argv + argc;
+ const char *HostTriple = DefaultHostTriple.c_str();
+
+ InputArgList *Args = ParseArgStrings(Start, End);
+
+ // -no-canonical-prefixes is used very early in main.
+ Args->ClaimAllArgs(options::OPT_no_canonical_prefixes);
+
+ // Extract -ccc args.
+ //
+ // FIXME: We need to figure out where this behavior should live. Most of it
+ // should be outside in the client; the parts that aren't should have proper
+ // options, either by introducing new ones or by overloading gcc ones like -V
+ // or -b.
+ CCCPrintOptions = Args->hasArg(options::OPT_ccc_print_options);
+ CCCPrintActions = Args->hasArg(options::OPT_ccc_print_phases);
+ CCCPrintBindings = Args->hasArg(options::OPT_ccc_print_bindings);
+ CCCIsCXX = Args->hasArg(options::OPT_ccc_cxx) || CCCIsCXX;
+ CCCEcho = Args->hasArg(options::OPT_ccc_echo);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_gcc_name))
+ CCCGenericGCCName = A->getValue(*Args);
+ CCCUseClangCXX = Args->hasFlag(options::OPT_ccc_clang_cxx,
+ options::OPT_ccc_no_clang_cxx,
+ CCCUseClangCXX);
+ CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch,
+ options::OPT_ccc_pch_is_pth);
+ CCCUseClang = !Args->hasArg(options::OPT_ccc_no_clang);
+ CCCUseClangCPP = !Args->hasArg(options::OPT_ccc_no_clang_cpp);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_clang_archs)) {
+ llvm::StringRef Cur = A->getValue(*Args);
+
+ CCCClangArchs.clear();
+ while (!Cur.empty()) {
+ std::pair<llvm::StringRef, llvm::StringRef> Split = Cur.split(',');
+
+ if (!Split.first.empty()) {
+ llvm::Triple::ArchType Arch =
+ llvm::Triple(Split.first, "", "").getArch();
+
+ if (Arch == llvm::Triple::UnknownArch) {
+ Diag(clang::diag::err_drv_invalid_arch_name) << Arch;
+ continue;
+ }
+
+ CCCClangArchs.insert(Arch);
+ }
+
+ Cur = Split.second;
+ }
+ }
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_host_triple))
+ HostTriple = A->getValue(*Args);
+ if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir))
+ Dir = A->getValue(*Args);
+
+ Host = GetHostInfo(HostTriple);
+
+ // The compilation takes ownership of Args.
+ Compilation *C = new Compilation(*this, *Host->CreateToolChain(*Args), Args);
+
+ // FIXME: This behavior shouldn't be here.
+ if (CCCPrintOptions) {
+ PrintOptions(C->getArgs());
+ return C;
+ }
+
+ if (!HandleImmediateArgs(*C))
+ return C;
+
+ // Construct the list of abstract actions to perform for this compilation. We
+ // avoid passing a Compilation here simply to enforce the abstraction that
+ // pipelining is not host or toolchain dependent (other than the driver driver
+ // test).
+ if (Host->useDriverDriver())
+ BuildUniversalActions(C->getArgs(), C->getActions());
+ else
+ BuildActions(C->getArgs(), C->getActions());
+
+ if (CCCPrintActions) {
+ PrintActions(*C);
+ return C;
+ }
+
+ BuildJobs(*C);
+
+ return C;
+}
+
+int Driver::ExecuteCompilation(const Compilation &C) const {
+ // Just print if -### was present.
+ if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
+ C.PrintJob(llvm::errs(), C.getJobs(), "\n", true);
+ return 0;
+ }
+
+ // If there were errors building the compilation, quit now.
+ if (getDiags().getNumErrors())
+ return 1;
+
+ const Command *FailingCommand = 0;
+ int Res = C.ExecuteJob(C.getJobs(), FailingCommand);
+
+ // Remove temp files.
+ C.CleanupFileList(C.getTempFiles());
+
+ // If the compilation failed, remove result files as well.
+ if (Res != 0 && !C.getArgs().hasArg(options::OPT_save_temps))
+ C.CleanupFileList(C.getResultFiles(), true);
+
+ // Print extra information about abnormal failures, if possible.
+ if (Res) {
+ // This is ad-hoc, but we don't want to be excessively noisy. If the result
+ // status was 1, assume the command failed normally. In particular, if it
+ // was the compiler then assume it gave a reasonable error code. Failures in
+ // other tools are less common, and they generally have worse diagnostics,
+ // so always print the diagnostic there.
+ const Action &Source = FailingCommand->getSource();
+ bool IsFriendlyTool = (isa<PreprocessJobAction>(Source) ||
+ isa<PrecompileJobAction>(Source) ||
+ isa<AnalyzeJobAction>(Source) ||
+ isa<CompileJobAction>(Source));
+
+ if (!IsFriendlyTool || Res != 1) {
+ // FIXME: See FIXME above regarding result code interpretation.
+ if (Res < 0)
+ Diag(clang::diag::err_drv_command_signalled)
+ << Source.getClassName() << -Res;
+ else
+ Diag(clang::diag::err_drv_command_failed)
+ << Source.getClassName() << Res;
+ }
+ }
+
+ return Res;
+}
+
+void Driver::PrintOptions(const ArgList &Args) const {
+ unsigned i = 0;
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it, ++i) {
+ Arg *A = *it;
+ llvm::errs() << "Option " << i << " - "
+ << "Name: \"" << A->getOption().getName() << "\", "
+ << "Values: {";
+ for (unsigned j = 0; j < A->getNumValues(); ++j) {
+ if (j)
+ llvm::errs() << ", ";
+ llvm::errs() << '"' << A->getValue(Args, j) << '"';
+ }
+ llvm::errs() << "}\n";
+ }
+}
+
+// FIXME: Move -ccc options to real options in the .td file (or eliminate), and
+// then move to using OptTable::PrintHelp.
+void Driver::PrintHelp(bool ShowHidden) const {
+ getOpts().PrintHelp(llvm::outs(), Name.c_str(),
+ "clang \"gcc-compatible\" driver", ShowHidden);
+}
+
+void Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const {
+ // FIXME: The following handlers should use a callback mechanism, we don't
+ // know what the client would like to do.
+ OS << getClangFullVersion() << '\n';
+ const ToolChain &TC = C.getDefaultToolChain();
+ OS << "Target: " << TC.getTripleString() << '\n';
+
+ // Print the threading model.
+ //
+ // FIXME: Implement correctly.
+ OS << "Thread model: " << "posix" << '\n';
+}
+
+bool Driver::HandleImmediateArgs(const Compilation &C) {
+ // The order these options are handled in in gcc is all over the place, but we
+ // don't expect inconsistencies w.r.t. that to matter in practice.
+
+ if (C.getArgs().hasArg(options::OPT_dumpversion)) {
+ llvm::outs() << CLANG_VERSION_STRING "\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT__help) ||
+ C.getArgs().hasArg(options::OPT__help_hidden)) {
+ PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden));
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT__version)) {
+ // Follow gcc behavior and use stdout for --version and stderr for -v.
+ PrintVersion(C, llvm::outs());
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_v) ||
+ C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
+ PrintVersion(C, llvm::errs());
+ SuppressMissingInputWarning = true;
+ }
+
+ const ToolChain &TC = C.getDefaultToolChain();
+ if (C.getArgs().hasArg(options::OPT_print_search_dirs)) {
+ llvm::outs() << "programs: =";
+ for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(),
+ ie = TC.getProgramPaths().end(); it != ie; ++it) {
+ if (it != TC.getProgramPaths().begin())
+ llvm::outs() << ':';
+ llvm::outs() << *it;
+ }
+ llvm::outs() << "\n";
+ llvm::outs() << "libraries: =";
+ for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(),
+ ie = TC.getFilePaths().end(); it != ie; ++it) {
+ if (it != TC.getFilePaths().begin())
+ llvm::outs() << ':';
+ llvm::outs() << *it;
+ }
+ llvm::outs() << "\n";
+ return false;
+ }
+
+ // FIXME: The following handlers should use a callback mechanism, we don't
+ // know what the client would like to do.
+ if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) {
+ llvm::outs() << GetFilePath(A->getValue(C.getArgs()), TC) << "\n";
+ return false;
+ }
+
+ if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) {
+ llvm::outs() << GetProgramPath(A->getValue(C.getArgs()), TC) << "\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
+ llvm::outs() << GetFilePath("libgcc.a", TC) << "\n";
+ return false;
+ }
+
+ if (C.getArgs().hasArg(options::OPT_print_multi_lib)) {
+ // FIXME: We need tool chain support for this.
+ llvm::outs() << ".;\n";
+
+ switch (C.getDefaultToolChain().getTriple().getArch()) {
+ default:
+ break;
+
+ case llvm::Triple::x86_64:
+ llvm::outs() << "x86_64;@m64" << "\n";
+ break;
+
+ case llvm::Triple::ppc64:
+ llvm::outs() << "ppc64;@m64" << "\n";
+ break;
+ }
+ return false;
+ }
+
+ // FIXME: What is the difference between print-multi-directory and
+ // print-multi-os-directory?
+ if (C.getArgs().hasArg(options::OPT_print_multi_directory) ||
+ C.getArgs().hasArg(options::OPT_print_multi_os_directory)) {
+ switch (C.getDefaultToolChain().getTriple().getArch()) {
+ default:
+ case llvm::Triple::x86:
+ case llvm::Triple::ppc:
+ llvm::outs() << "." << "\n";
+ break;
+
+ case llvm::Triple::x86_64:
+ llvm::outs() << "x86_64" << "\n";
+ break;
+
+ case llvm::Triple::ppc64:
+ llvm::outs() << "ppc64" << "\n";
+ break;
+ }
+ return false;
+ }
+
+ return true;
+}
+
+static unsigned PrintActions1(const Compilation &C, Action *A,
+ std::map<Action*, unsigned> &Ids) {
+ if (Ids.count(A))
+ return Ids[A];
+
+ std::string str;
+ llvm::raw_string_ostream os(str);
+
+ os << Action::getClassName(A->getKind()) << ", ";
+ if (InputAction *IA = dyn_cast<InputAction>(A)) {
+ os << "\"" << IA->getInputArg().getValue(C.getArgs()) << "\"";
+ } else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) {
+ os << '"' << (BIA->getArchName() ? BIA->getArchName() :
+ C.getDefaultToolChain().getArchName()) << '"'
+ << ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}";
+ } else {
+ os << "{";
+ for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) {
+ os << PrintActions1(C, *it, Ids);
+ ++it;
+ if (it != ie)
+ os << ", ";
+ }
+ os << "}";
+ }
+
+ unsigned Id = Ids.size();
+ Ids[A] = Id;
+ llvm::errs() << Id << ": " << os.str() << ", "
+ << types::getTypeName(A->getType()) << "\n";
+
+ return Id;
+}
+
+void Driver::PrintActions(const Compilation &C) const {
+ std::map<Action*, unsigned> Ids;
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it)
+ PrintActions1(C, *it, Ids);
+}
+
+void Driver::BuildUniversalActions(const ArgList &Args,
+ ActionList &Actions) const {
+ llvm::PrettyStackTraceString CrashInfo("Building universal build actions");
+ // Collect the list of architectures. Duplicates are allowed, but should only
+ // be handled once (in the order seen).
+ llvm::StringSet<> ArchNames;
+ llvm::SmallVector<const char *, 4> Archs;
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ if (A->getOption().matches(options::OPT_arch)) {
+ // Validate the option here; we don't save the type here because its
+ // particular spelling may participate in other driver choices.
+ llvm::Triple::ArchType Arch =
+ llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args));
+ if (Arch == llvm::Triple::UnknownArch) {
+ Diag(clang::diag::err_drv_invalid_arch_name)
+ << A->getAsString(Args);
+ continue;
+ }
+
+ A->claim();
+ if (ArchNames.insert(A->getValue(Args)))
+ Archs.push_back(A->getValue(Args));
+ }
+ }
+
+ // When there is no explicit arch for this platform, make sure we still bind
+ // the architecture (to the default) so that -Xarch_ is handled correctly.
+ if (!Archs.size())
+ Archs.push_back(0);
+
+ // FIXME: We killed off some others but these aren't yet detected in a
+ // functional manner. If we added information to jobs about which "auxiliary"
+ // files they wrote then we could detect the conflict these cause downstream.
+ if (Archs.size() > 1) {
+ // No recovery needed, the point of this is just to prevent
+ // overwriting the same files.
+ if (const Arg *A = Args.getLastArg(options::OPT_save_temps))
+ Diag(clang::diag::err_drv_invalid_opt_with_multiple_archs)
+ << A->getAsString(Args);
+ }
+
+ ActionList SingleActions;
+ BuildActions(Args, SingleActions);
+
+ // Add in arch binding and lipo (if necessary) for every top level action.
+ for (unsigned i = 0, e = SingleActions.size(); i != e; ++i) {
+ Action *Act = SingleActions[i];
+
+ // Make sure we can lipo this kind of output. If not (and it is an actual
+ // output) then we disallow, since we can't create an output file with the
+ // right name without overwriting it. We could remove this oddity by just
+ // changing the output names to include the arch, which would also fix
+ // -save-temps. Compatibility wins for now.
+
+ if (Archs.size() > 1 && !types::canLipoType(Act->getType()))
+ Diag(clang::diag::err_drv_invalid_output_with_multiple_archs)
+ << types::getTypeName(Act->getType());
+
+ ActionList Inputs;
+ for (unsigned i = 0, e = Archs.size(); i != e; ++i)
+ Inputs.push_back(new BindArchAction(Act, Archs[i]));
+
+ // Lipo if necessary, we do it this way because we need to set the arch flag
+ // so that -Xarch_ gets overwritten.
+ if (Inputs.size() == 1 || Act->getType() == types::TY_Nothing)
+ Actions.append(Inputs.begin(), Inputs.end());
+ else
+ Actions.push_back(new LipoJobAction(Inputs, Act->getType()));
+ }
+}
+
+void Driver::BuildActions(const ArgList &Args, ActionList &Actions) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation actions");
+ // Start by constructing the list of inputs and their types.
+
+ // Track the current user specified (-x) input. We also explicitly track the
+ // argument used to set the type; we only want to claim the type when we
+ // actually use it, so we warn about unused -x arguments.
+ types::ID InputType = types::TY_Nothing;
+ Arg *InputTypeArg = 0;
+
+ llvm::SmallVector<std::pair<types::ID, const Arg*>, 16> Inputs;
+ for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ if (isa<InputOption>(A->getOption())) {
+ const char *Value = A->getValue(Args);
+ types::ID Ty = types::TY_INVALID;
+
+ // Infer the input type if necessary.
+ if (InputType == types::TY_Nothing) {
+ // If there was an explicit arg for this, claim it.
+ if (InputTypeArg)
+ InputTypeArg->claim();
+
+ // stdin must be handled specially.
+ if (memcmp(Value, "-", 2) == 0) {
+ // If running with -E, treat as a C input (this changes the builtin
+ // macros, for example). This may be overridden by -ObjC below.
+ //
+ // Otherwise emit an error but still use a valid type to avoid
+ // spurious errors (e.g., no inputs).
+ if (!Args.hasArgNoClaim(options::OPT_E))
+ Diag(clang::diag::err_drv_unknown_stdin_type);
+ Ty = types::TY_C;
+ } else {
+ // Otherwise lookup by extension, and fallback to ObjectType if not
+ // found. We use a host hook here because Darwin at least has its own
+ // idea of what .s is.
+ if (const char *Ext = strrchr(Value, '.'))
+ Ty = Host->lookupTypeForExtension(Ext + 1);
+
+ if (Ty == types::TY_INVALID)
+ Ty = types::TY_Object;
+ }
+
+ // -ObjC and -ObjC++ override the default language, but only for "source
+ // files". We just treat everything that isn't a linker input as a
+ // source file.
+ //
+ // FIXME: Clean this up if we move the phase sequence into the type.
+ if (Ty != types::TY_Object) {
+ if (Args.hasArg(options::OPT_ObjC))
+ Ty = types::TY_ObjC;
+ else if (Args.hasArg(options::OPT_ObjCXX))
+ Ty = types::TY_ObjCXX;
+ }
+ } else {
+ assert(InputTypeArg && "InputType set w/o InputTypeArg");
+ InputTypeArg->claim();
+ Ty = InputType;
+ }
+
+ // Check that the file exists, if enabled.
+ if (CheckInputsExist && memcmp(Value, "-", 2) != 0 &&
+ !llvm::sys::Path(Value).exists())
+ Diag(clang::diag::err_drv_no_such_file) << A->getValue(Args);
+ else
+ Inputs.push_back(std::make_pair(Ty, A));
+
+ } else if (A->getOption().isLinkerInput()) {
+ // Just treat as object type, we could make a special type for this if
+ // necessary.
+ Inputs.push_back(std::make_pair(types::TY_Object, A));
+
+ } else if (A->getOption().matches(options::OPT_x)) {
+ InputTypeArg = A;
+ InputType = types::lookupTypeForTypeSpecifier(A->getValue(Args));
+
+ // Follow gcc behavior and treat as linker input for invalid -x
+ // options. Its not clear why we shouldn't just revert to unknown; but
+ // this isn't very important, we might as well be bug comatible.
+ if (!InputType) {
+ Diag(clang::diag::err_drv_unknown_language) << A->getValue(Args);
+ InputType = types::TY_Object;
+ }
+ }
+ }
+
+ if (!SuppressMissingInputWarning && Inputs.empty()) {
+ Diag(clang::diag::err_drv_no_input_files);
+ return;
+ }
+
+ // Determine which compilation mode we are in. We look for options which
+ // affect the phase, starting with the earliest phases, and record which
+ // option we used to determine the final phase.
+ Arg *FinalPhaseArg = 0;
+ phases::ID FinalPhase;
+
+ // -{E,M,MM} only run the preprocessor.
+ if ((FinalPhaseArg = Args.getLastArg(options::OPT_E)) ||
+ (FinalPhaseArg = Args.getLastArg(options::OPT_M)) ||
+ (FinalPhaseArg = Args.getLastArg(options::OPT_MM))) {
+ FinalPhase = phases::Preprocess;
+
+ // -{fsyntax-only,-analyze,emit-ast,S} only run up to the compiler.
+ } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_fsyntax_only)) ||
+ (FinalPhaseArg = Args.getLastArg(options::OPT__analyze,
+ options::OPT__analyze_auto)) ||
+ (FinalPhaseArg = Args.getLastArg(options::OPT_emit_ast)) ||
+ (FinalPhaseArg = Args.getLastArg(options::OPT_S))) {
+ FinalPhase = phases::Compile;
+
+ // -c only runs up to the assembler.
+ } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_c))) {
+ FinalPhase = phases::Assemble;
+
+ // Otherwise do everything.
+ } else
+ FinalPhase = phases::Link;
+
+ // Reject -Z* at the top level, these options should never have been exposed
+ // by gcc.
+ if (Arg *A = Args.getLastArg(options::OPT_Z_Joined))
+ Diag(clang::diag::err_drv_use_of_Z_option) << A->getAsString(Args);
+
+ // Construct the actions to perform.
+ ActionList LinkerInputs;
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ types::ID InputType = Inputs[i].first;
+ const Arg *InputArg = Inputs[i].second;
+
+ unsigned NumSteps = types::getNumCompilationPhases(InputType);
+ assert(NumSteps && "Invalid number of steps!");
+
+ // If the first step comes after the final phase we are doing as part of
+ // this compilation, warn the user about it.
+ phases::ID InitialPhase = types::getCompilationPhase(InputType, 0);
+ if (InitialPhase > FinalPhase) {
+ // Claim here to avoid the more general unused warning.
+ InputArg->claim();
+
+ // Special case '-E' warning on a previously preprocessed file to make
+ // more sense.
+ if (InitialPhase == phases::Compile && FinalPhase == phases::Preprocess &&
+ getPreprocessedType(InputType) == types::TY_INVALID)
+ Diag(clang::diag::warn_drv_preprocessed_input_file_unused)
+ << InputArg->getAsString(Args)
+ << FinalPhaseArg->getOption().getName();
+ else
+ Diag(clang::diag::warn_drv_input_file_unused)
+ << InputArg->getAsString(Args)
+ << getPhaseName(InitialPhase)
+ << FinalPhaseArg->getOption().getName();
+ continue;
+ }
+
+ // Build the pipeline for this file.
+ llvm::OwningPtr<Action> Current(new InputAction(*InputArg, InputType));
+ for (unsigned i = 0; i != NumSteps; ++i) {
+ phases::ID Phase = types::getCompilationPhase(InputType, i);
+
+ // We are done if this step is past what the user requested.
+ if (Phase > FinalPhase)
+ break;
+
+ // Queue linker inputs.
+ if (Phase == phases::Link) {
+ assert(i + 1 == NumSteps && "linking must be final compilation step.");
+ LinkerInputs.push_back(Current.take());
+ break;
+ }
+
+ // Some types skip the assembler phase (e.g., llvm-bc), but we can't
+ // encode this in the steps because the intermediate type depends on
+ // arguments. Just special case here.
+ if (Phase == phases::Assemble && Current->getType() != types::TY_PP_Asm)
+ continue;
+
+ // Otherwise construct the appropriate action.
+ Current.reset(ConstructPhaseAction(Args, Phase, Current.take()));
+ if (Current->getType() == types::TY_Nothing)
+ break;
+ }
+
+ // If we ended with something, add to the output list.
+ if (Current)
+ Actions.push_back(Current.take());
+ }
+
+ // Add a link action if necessary.
+ if (!LinkerInputs.empty())
+ Actions.push_back(new LinkJobAction(LinkerInputs, types::TY_Image));
+
+ // If we are linking, claim any options which are obviously only used for
+ // compilation.
+ if (FinalPhase == phases::Link)
+ Args.ClaimAllArgs(options::OPT_CompileOnly_Group);
+}
+
+Action *Driver::ConstructPhaseAction(const ArgList &Args, phases::ID Phase,
+ Action *Input) const {
+ llvm::PrettyStackTraceString CrashInfo("Constructing phase actions");
+ // Build the appropriate action.
+ switch (Phase) {
+ case phases::Link: assert(0 && "link action invalid here.");
+ case phases::Preprocess: {
+ types::ID OutputTy;
+ // -{M, MM} alter the output type.
+ if (Args.hasArg(options::OPT_M) || Args.hasArg(options::OPT_MM)) {
+ OutputTy = types::TY_Dependencies;
+ } else {
+ OutputTy = types::getPreprocessedType(Input->getType());
+ assert(OutputTy != types::TY_INVALID &&
+ "Cannot preprocess this input type!");
+ }
+ return new PreprocessJobAction(Input, OutputTy);
+ }
+ case phases::Precompile:
+ return new PrecompileJobAction(Input, types::TY_PCH);
+ case phases::Compile: {
+ bool HasO4 = false;
+ if (const Arg *A = Args.getLastArg(options::OPT_O_Group))
+ HasO4 = A->getOption().matches(options::OPT_O4);
+
+ if (Args.hasArg(options::OPT_fsyntax_only)) {
+ return new CompileJobAction(Input, types::TY_Nothing);
+ } else if (Args.hasArg(options::OPT__analyze, options::OPT__analyze_auto)) {
+ return new AnalyzeJobAction(Input, types::TY_Plist);
+ } else if (Args.hasArg(options::OPT_emit_ast)) {
+ return new CompileJobAction(Input, types::TY_AST);
+ } else if (Args.hasArg(options::OPT_emit_llvm) ||
+ Args.hasArg(options::OPT_flto) || HasO4) {
+ types::ID Output =
+ Args.hasArg(options::OPT_S) ? types::TY_LLVMAsm : types::TY_LLVMBC;
+ return new CompileJobAction(Input, Output);
+ } else {
+ return new CompileJobAction(Input, types::TY_PP_Asm);
+ }
+ }
+ case phases::Assemble:
+ return new AssembleJobAction(Input, types::TY_Object);
+ }
+
+ assert(0 && "invalid phase in ConstructPhaseAction");
+ return 0;
+}
+
+void Driver::BuildJobs(Compilation &C) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
+ bool SaveTemps = C.getArgs().hasArg(options::OPT_save_temps);
+ bool UsePipes = C.getArgs().hasArg(options::OPT_pipe);
+
+ // FIXME: Pipes are forcibly disabled until we support executing them.
+ if (!CCCPrintBindings)
+ UsePipes = false;
+
+ // -save-temps inhibits pipes.
+ if (SaveTemps && UsePipes)
+ Diag(clang::diag::warn_drv_pipe_ignored_with_save_temps);
+
+ Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o);
+
+ // It is an error to provide a -o option if we are making multiple output
+ // files.
+ if (FinalOutput) {
+ unsigned NumOutputs = 0;
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it)
+ if ((*it)->getType() != types::TY_Nothing)
+ ++NumOutputs;
+
+ if (NumOutputs > 1) {
+ Diag(clang::diag::err_drv_output_argument_with_multiple_files);
+ FinalOutput = 0;
+ }
+ }
+
+ for (ActionList::const_iterator it = C.getActions().begin(),
+ ie = C.getActions().end(); it != ie; ++it) {
+ Action *A = *it;
+
+ // If we are linking an image for multiple archs then the linker wants
+ // -arch_multiple and -final_output <final image name>. Unfortunately, this
+ // doesn't fit in cleanly because we have to pass this information down.
+ //
+ // FIXME: This is a hack; find a cleaner way to integrate this into the
+ // process.
+ const char *LinkingOutput = 0;
+ if (isa<LipoJobAction>(A)) {
+ if (FinalOutput)
+ LinkingOutput = FinalOutput->getValue(C.getArgs());
+ else
+ LinkingOutput = DefaultImageName.c_str();
+ }
+
+ InputInfo II;
+ BuildJobsForAction(C, A, &C.getDefaultToolChain(),
+ /*BoundArch*/0,
+ /*CanAcceptPipe*/ true,
+ /*AtTopLevel*/ true,
+ /*LinkingOutput*/ LinkingOutput,
+ II);
+ }
+
+ // If the user passed -Qunused-arguments or there were errors, don't warn
+ // about any unused arguments.
+ if (Diags.getNumErrors() ||
+ C.getArgs().hasArg(options::OPT_Qunused_arguments))
+ return;
+
+ // Claim -### here.
+ (void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH);
+
+ for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
+ it != ie; ++it) {
+ Arg *A = *it;
+
+ // FIXME: It would be nice to be able to send the argument to the
+ // Diagnostic, so that extra values, position, and so on could be printed.
+ if (!A->isClaimed()) {
+ if (A->getOption().hasNoArgumentUnused())
+ continue;
+
+ // Suppress the warning automatically if this is just a flag, and it is an
+ // instance of an argument we already claimed.
+ const Option &Opt = A->getOption();
+ if (isa<FlagOption>(Opt)) {
+ bool DuplicateClaimed = false;
+
+ for (arg_iterator it = C.getArgs().filtered_begin(&Opt),
+ ie = C.getArgs().filtered_end(); it != ie; ++it) {
+ if ((*it)->isClaimed()) {
+ DuplicateClaimed = true;
+ break;
+ }
+ }
+
+ if (DuplicateClaimed)
+ continue;
+ }
+
+ Diag(clang::diag::warn_drv_unused_argument)
+ << A->getAsString(C.getArgs());
+ }
+ }
+}
+
+static const Tool &SelectToolForJob(Compilation &C, const ToolChain *TC,
+ const JobAction *JA,
+ const ActionList *&Inputs) {
+ const Tool *ToolForJob = 0;
+
+ // See if we should look for a compiler with an integrated assembler. We match
+ // bottom up, so what we are actually looking for is an assembler job with a
+ // compiler input.
+ if (C.getArgs().hasArg(options::OPT_integrated_as,
+ options::OPT_no_integrated_as,
+ TC->IsIntegratedAssemblerDefault()) &&
+ !C.getArgs().hasArg(options::OPT_save_temps) &&
+ isa<AssembleJobAction>(JA) &&
+ Inputs->size() == 1 && isa<CompileJobAction>(*Inputs->begin())) {
+ const Tool &Compiler = TC->SelectTool(C,cast<JobAction>(**Inputs->begin()));
+ if (Compiler.hasIntegratedAssembler()) {
+ Inputs = &(*Inputs)[0]->getInputs();
+ ToolForJob = &Compiler;
+ }
+ }
+
+ // Otherwise use the tool for the current job.
+ if (!ToolForJob)
+ ToolForJob = &TC->SelectTool(C, *JA);
+
+ // See if we should use an integrated preprocessor. We do so when we have
+ // exactly one input, since this is the only use case we care about
+ // (irrelevant since we don't support combine yet).
+ if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin()) &&
+ !C.getArgs().hasArg(options::OPT_no_integrated_cpp) &&
+ !C.getArgs().hasArg(options::OPT_traditional_cpp) &&
+ !C.getArgs().hasArg(options::OPT_save_temps) &&
+ ToolForJob->hasIntegratedCPP())
+ Inputs = &(*Inputs)[0]->getInputs();
+
+ return *ToolForJob;
+}
+
+void Driver::BuildJobsForAction(Compilation &C,
+ const Action *A,
+ const ToolChain *TC,
+ const char *BoundArch,
+ bool CanAcceptPipe,
+ bool AtTopLevel,
+ const char *LinkingOutput,
+ InputInfo &Result) const {
+ llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
+
+ bool UsePipes = C.getArgs().hasArg(options::OPT_pipe);
+ // FIXME: Pipes are forcibly disabled until we support executing them.
+ if (!CCCPrintBindings)
+ UsePipes = false;
+
+ if (const InputAction *IA = dyn_cast<InputAction>(A)) {
+ // FIXME: It would be nice to not claim this here; maybe the old scheme of
+ // just using Args was better?
+ const Arg &Input = IA->getInputArg();
+ Input.claim();
+ if (isa<PositionalArg>(Input)) {
+ const char *Name = Input.getValue(C.getArgs());
+ Result = InputInfo(Name, A->getType(), Name);
+ } else
+ Result = InputInfo(&Input, A->getType(), "");
+ return;
+ }
+
+ if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
+ const ToolChain *TC = &C.getDefaultToolChain();
+
+ std::string Arch;
+ if (BAA->getArchName())
+ TC = Host->CreateToolChain(C.getArgs(), BAA->getArchName());
+
+ BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(),
+ CanAcceptPipe, AtTopLevel, LinkingOutput, Result);
+ return;
+ }
+
+ const ActionList *Inputs = &A->getInputs();
+
+ const JobAction *JA = cast<JobAction>(A);
+ const Tool &T = SelectToolForJob(C, TC, JA, Inputs);
+
+ // Only use pipes when there is exactly one input.
+ bool TryToUsePipeInput = Inputs->size() == 1 && T.acceptsPipedInput();
+ InputInfoList InputInfos;
+ for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end();
+ it != ie; ++it) {
+ InputInfo II;
+ BuildJobsForAction(C, *it, TC, BoundArch, TryToUsePipeInput,
+ /*AtTopLevel*/false, LinkingOutput, II);
+ InputInfos.push_back(II);
+ }
+
+ // Determine if we should output to a pipe.
+ bool OutputToPipe = false;
+ if (CanAcceptPipe && T.canPipeOutput()) {
+ // Some actions default to writing to a pipe if they are the top level phase
+ // and there was no user override.
+ //
+ // FIXME: Is there a better way to handle this?
+ if (AtTopLevel) {
+ if (isa<PreprocessJobAction>(A) && !C.getArgs().hasArg(options::OPT_o))
+ OutputToPipe = true;
+ } else if (UsePipes)
+ OutputToPipe = true;
+ }
+
+ // Figure out where to put the job (pipes).
+ Job *Dest = &C.getJobs();
+ if (InputInfos[0].isPipe()) {
+ assert(TryToUsePipeInput && "Unrequested pipe!");
+ assert(InputInfos.size() == 1 && "Unexpected pipe with multiple inputs.");
+ Dest = &InputInfos[0].getPipe();
+ }
+
+ // Always use the first input as the base input.
+ const char *BaseInput = InputInfos[0].getBaseInput();
+
+ // Determine the place to write output to (nothing, pipe, or filename) and
+ // where to put the new job.
+ if (JA->getType() == types::TY_Nothing) {
+ Result = InputInfo(A->getType(), BaseInput);
+ } else if (OutputToPipe) {
+ // Append to current piped job or create a new one as appropriate.
+ PipedJob *PJ = dyn_cast<PipedJob>(Dest);
+ if (!PJ) {
+ PJ = new PipedJob();
+ // FIXME: Temporary hack so that -ccc-print-bindings work until we have
+ // pipe support. Please remove later.
+ if (!CCCPrintBindings)
+ cast<JobList>(Dest)->addJob(PJ);
+ Dest = PJ;
+ }
+ Result = InputInfo(PJ, A->getType(), BaseInput);
+ } else {
+ Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel),
+ A->getType(), BaseInput);
+ }
+
+ if (CCCPrintBindings) {
+ llvm::errs() << "# \"" << T.getToolChain().getTripleString() << '"'
+ << " - \"" << T.getName() << "\", inputs: [";
+ for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) {
+ llvm::errs() << InputInfos[i].getAsString();
+ if (i + 1 != e)
+ llvm::errs() << ", ";
+ }
+ llvm::errs() << "], output: " << Result.getAsString() << "\n";
+ } else {
+ T.ConstructJob(C, *JA, *Dest, Result, InputInfos,
+ C.getArgsForToolChain(TC, BoundArch), LinkingOutput);
+ }
+}
+
+const char *Driver::GetNamedOutputPath(Compilation &C,
+ const JobAction &JA,
+ const char *BaseInput,
+ bool AtTopLevel) const {
+ llvm::PrettyStackTraceString CrashInfo("Computing output path");
+ // Output to a user requested destination?
+ if (AtTopLevel) {
+ if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o))
+ return C.addResultFile(FinalOutput->getValue(C.getArgs()));
+ }
+
+ // Output to a temporary file?
+ if (!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps)) {
+ std::string TmpName =
+ GetTemporaryPath(types::getTypeTempSuffix(JA.getType()));
+ return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
+ }
+
+ llvm::sys::Path BasePath(BaseInput);
+ std::string BaseName(BasePath.getLast());
+
+ // Determine what the derived output name should be.
+ const char *NamedOutput;
+ if (JA.getType() == types::TY_Image) {
+ NamedOutput = DefaultImageName.c_str();
+ } else {
+ const char *Suffix = types::getTypeTempSuffix(JA.getType());
+ assert(Suffix && "All types used for output should have a suffix.");
+
+ std::string::size_type End = std::string::npos;
+ if (!types::appendSuffixForType(JA.getType()))
+ End = BaseName.rfind('.');
+ std::string Suffixed(BaseName.substr(0, End));
+ Suffixed += '.';
+ Suffixed += Suffix;
+ NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str());
+ }
+
+ // As an annoying special case, PCH generation doesn't strip the pathname.
+ if (JA.getType() == types::TY_PCH) {
+ BasePath.eraseComponent();
+ if (BasePath.isEmpty())
+ BasePath = NamedOutput;
+ else
+ BasePath.appendComponent(NamedOutput);
+ return C.addResultFile(C.getArgs().MakeArgString(BasePath.c_str()));
+ } else {
+ return C.addResultFile(NamedOutput);
+ }
+}
+
+std::string Driver::GetFilePath(const char *Name, const ToolChain &TC) const {
+ const ToolChain::path_list &List = TC.getFilePaths();
+ for (ToolChain::path_list::const_iterator
+ it = List.begin(), ie = List.end(); it != ie; ++it) {
+ llvm::sys::Path P(*it);
+ P.appendComponent(Name);
+ if (P.exists())
+ return P.str();
+ }
+
+ return Name;
+}
+
+std::string Driver::GetProgramPath(const char *Name, const ToolChain &TC,
+ bool WantFile) const {
+ const ToolChain::path_list &List = TC.getProgramPaths();
+ for (ToolChain::path_list::const_iterator
+ it = List.begin(), ie = List.end(); it != ie; ++it) {
+ llvm::sys::Path P(*it);
+ P.appendComponent(Name);
+ if (WantFile ? P.exists() : P.canExecute())
+ return P.str();
+ }
+
+ // If all else failed, search the path.
+ llvm::sys::Path P(llvm::sys::Program::FindProgramByName(Name));
+ if (!P.empty())
+ return P.str();
+
+ return Name;
+}
+
+std::string Driver::GetTemporaryPath(const char *Suffix) const {
+ // FIXME: This is lame; sys::Path should provide this function (in particular,
+ // it should know how to find the temporary files dir).
+ std::string Error;
+ const char *TmpDir = ::getenv("TMPDIR");
+ if (!TmpDir)
+ TmpDir = ::getenv("TEMP");
+ if (!TmpDir)
+ TmpDir = ::getenv("TMP");
+ if (!TmpDir)
+ TmpDir = "/tmp";
+ llvm::sys::Path P(TmpDir);
+ P.appendComponent("cc");
+ if (P.makeUnique(false, &Error)) {
+ Diag(clang::diag::err_drv_unable_to_make_temp) << Error;
+ return "";
+ }
+
+ // FIXME: Grumble, makeUnique sometimes leaves the file around!? PR3837.
+ P.eraseFromDisk(false, 0);
+
+ P.appendSuffix(Suffix);
+ return P.str();
+}
+
+const HostInfo *Driver::GetHostInfo(const char *TripleStr) const {
+ llvm::PrettyStackTraceString CrashInfo("Constructing host");
+ llvm::Triple Triple(TripleStr);
+
+ switch (Triple.getOS()) {
+ case llvm::Triple::AuroraUX:
+ return createAuroraUXHostInfo(*this, Triple);
+ case llvm::Triple::Darwin:
+ return createDarwinHostInfo(*this, Triple);
+ case llvm::Triple::DragonFly:
+ return createDragonFlyHostInfo(*this, Triple);
+ case llvm::Triple::OpenBSD:
+ return createOpenBSDHostInfo(*this, Triple);
+ case llvm::Triple::FreeBSD:
+ return createFreeBSDHostInfo(*this, Triple);
+ case llvm::Triple::Linux:
+ return createLinuxHostInfo(*this, Triple);
+ default:
+ return createUnknownHostInfo(*this, Triple);
+ }
+}
+
+bool Driver::ShouldUseClangCompiler(const Compilation &C, const JobAction &JA,
+ const llvm::Triple &Triple) const {
+ // Check if user requested no clang, or clang doesn't understand this type (we
+ // only handle single inputs for now).
+ if (!CCCUseClang || JA.size() != 1 ||
+ !types::isAcceptedByClang((*JA.begin())->getType()))
+ return false;
+
+ // Otherwise make sure this is an action clang understands.
+ if (isa<PreprocessJobAction>(JA)) {
+ if (!CCCUseClangCPP) {
+ Diag(clang::diag::warn_drv_not_using_clang_cpp);
+ return false;
+ }
+ } else if (!isa<PrecompileJobAction>(JA) && !isa<CompileJobAction>(JA))
+ return false;
+
+ // Use clang for C++?
+ if (!CCCUseClangCXX && types::isCXX((*JA.begin())->getType())) {
+ Diag(clang::diag::warn_drv_not_using_clang_cxx);
+ return false;
+ }
+
+ // Always use clang for precompiling and AST generation, regardless of archs.
+ if (isa<PrecompileJobAction>(JA) || JA.getType() == types::TY_AST)
+ return true;
+
+ // Finally, don't use clang if this isn't one of the user specified archs to
+ // build.
+ if (!CCCClangArchs.empty() && !CCCClangArchs.count(Triple.getArch())) {
+ Diag(clang::diag::warn_drv_not_using_clang_arch) << Triple.getArchName();
+ return false;
+ }
+
+ return true;
+}
+
+/// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and return the
+/// grouped values as integers. Numbers which are not provided are set to 0.
+///
+/// \return True if the entire string was parsed (9.2), or all groups were
+/// parsed (10.3.5extrastuff).
+bool Driver::GetReleaseVersion(const char *Str, unsigned &Major,
+ unsigned &Minor, unsigned &Micro,
+ bool &HadExtra) {
+ HadExtra = false;
+
+ Major = Minor = Micro = 0;
+ if (*Str == '\0')
+ return true;
+
+ char *End;
+ Major = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (*End != '.')
+ return false;
+
+ Str = End+1;
+ Minor = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (*End != '.')
+ return false;
+
+ Str = End+1;
+ Micro = (unsigned) strtol(Str, &End, 10);
+ if (*Str != '\0' && *End == '\0')
+ return true;
+ if (Str == End)
+ return false;
+ HadExtra = true;
+ return true;
+}
diff --git a/lib/Driver/DriverOptions.cpp b/lib/Driver/DriverOptions.cpp
new file mode 100644
index 0000000..72aaf56
--- /dev/null
+++ b/lib/Driver/DriverOptions.cpp
@@ -0,0 +1,37 @@
+//===--- DriverOptions.cpp - Driver Options Table -----------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Options.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+
+using namespace clang::driver;
+using namespace clang::driver::options;
+
+static const OptTable::Info InfoTable[] = {
+#define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR) \
+ { NAME, HELPTEXT, METAVAR, Option::KIND##Class, FLAGS, PARAM, \
+ OPT_##GROUP, OPT_##ALIAS },
+#include "clang/Driver/Options.inc"
+};
+
+namespace {
+
+class DriverOptTable : public OptTable {
+public:
+ DriverOptTable()
+ : OptTable(InfoTable, sizeof(InfoTable) / sizeof(InfoTable[0])) {}
+};
+
+}
+
+OptTable *clang::driver::createDriverOptTable() {
+ return new DriverOptTable();
+}
diff --git a/lib/Driver/HostInfo.cpp b/lib/Driver/HostInfo.cpp
new file mode 100644
index 0000000..18bb786
--- /dev/null
+++ b/lib/Driver/HostInfo.cpp
@@ -0,0 +1,542 @@
+//===--- HostInfo.cpp - Host specific information -----------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/HostInfo.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+
+#include "llvm/ADT/StringMap.h"
+#include "llvm/Support/Compiler.h"
+
+#include "ToolChains.h"
+
+#include <cassert>
+
+using namespace clang::driver;
+
+HostInfo::HostInfo(const Driver &D, const llvm::Triple &_Triple)
+ : TheDriver(D), Triple(_Triple) {
+}
+
+HostInfo::~HostInfo() {
+}
+
+namespace {
+
+// Darwin Host Info
+
+/// DarwinHostInfo - Darwin host information implementation.
+class DarwinHostInfo : public HostInfo {
+ /// Darwin version of host.
+ unsigned DarwinVersion[3];
+
+ /// GCC version to use on this host.
+ unsigned GCCVersion[3];
+
+ /// Cache of tool chains we have created.
+ mutable llvm::DenseMap<unsigned, ToolChain*> ToolChains;
+
+public:
+ DarwinHostInfo(const Driver &D, const llvm::Triple &Triple);
+ ~DarwinHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ types::ID Ty = types::lookupTypeForExtension(Ext);
+
+ // Darwin always preprocesses assembly files (unless -x is used
+ // explicitly).
+ if (Ty == types::TY_PP_Asm)
+ return types::TY_Asm;
+
+ return Ty;
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+DarwinHostInfo::DarwinHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {
+
+ assert(Triple.getArch() != llvm::Triple::UnknownArch && "Invalid arch!");
+ assert(memcmp(&getOSName()[0], "darwin", 6) == 0 &&
+ "Unknown Darwin platform.");
+ bool HadExtra;
+ if (!Driver::GetReleaseVersion(&getOSName()[6],
+ DarwinVersion[0], DarwinVersion[1],
+ DarwinVersion[2], HadExtra))
+ D.Diag(clang::diag::err_drv_invalid_darwin_version) << getOSName();
+
+ // We can only call 4.2.1 for now.
+ GCCVersion[0] = 4;
+ GCCVersion[1] = 2;
+ GCCVersion[2] = 1;
+}
+
+DarwinHostInfo::~DarwinHostInfo() {
+ for (llvm::DenseMap<unsigned, ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool DarwinHostInfo::useDriverDriver() const {
+ return true;
+}
+
+ToolChain *DarwinHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ llvm::Triple::ArchType Arch;
+
+ if (!ArchName) {
+ // If we aren't looking for a specific arch, infer the default architecture
+ // based on -arch and -m32/-m64 command line options.
+ if (Arg *A = Args.getLastArg(options::OPT_arch)) {
+ // The gcc driver behavior with multiple -arch flags wasn't consistent for
+ // things which rely on a default architecture. We just use the last -arch
+ // to find the default tool chain (assuming it is valid).
+ Arch = llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args));
+
+ // If it was invalid just use the host, we will reject this command line
+ // later.
+ if (Arch == llvm::Triple::UnknownArch)
+ Arch = getTriple().getArch();
+ } else {
+ // Otherwise default to the arch of the host.
+ Arch = getTriple().getArch();
+ }
+
+ // Honor -m32 and -m64 when finding the default tool chain.
+ //
+ // FIXME: Should this information be in llvm::Triple?
+ if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
+ if (A->getOption().matches(options::OPT_m32)) {
+ if (Arch == llvm::Triple::x86_64)
+ Arch = llvm::Triple::x86;
+ if (Arch == llvm::Triple::ppc64)
+ Arch = llvm::Triple::ppc;
+ } else {
+ if (Arch == llvm::Triple::x86)
+ Arch = llvm::Triple::x86_64;
+ if (Arch == llvm::Triple::ppc)
+ Arch = llvm::Triple::ppc64;
+ }
+ }
+ } else
+ Arch = llvm::Triple::getArchTypeForDarwinArchName(ArchName);
+
+ assert(Arch != llvm::Triple::UnknownArch && "Unexpected arch!");
+ ToolChain *&TC = ToolChains[Arch];
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArch(Arch);
+
+ // If we recognized the arch, match it to the toolchains we support.
+ if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
+ // We still use the legacy DarwinGCC toolchain on X86.
+ TC = new toolchains::DarwinGCC(*this, TCTriple, DarwinVersion,
+ GCCVersion);
+ } else if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
+ TC = new toolchains::DarwinClang(*this, TCTriple, DarwinVersion);
+ else
+ TC = new toolchains::Darwin_Generic_GCC(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+// Unknown Host Info
+
+/// UnknownHostInfo - Generic host information to use for unknown hosts.
+class UnknownHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ UnknownHostInfo(const Driver &D, const llvm::Triple& Triple);
+ ~UnknownHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+UnknownHostInfo::UnknownHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {
+}
+
+UnknownHostInfo::~UnknownHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool UnknownHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *UnknownHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ // Automatically handle some instances of -m32/-m64 we know about.
+ std::string Arch = getArchName();
+ ArchName = Arch.c_str();
+ if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
+ if (Triple.getArch() == llvm::Triple::x86 ||
+ Triple.getArch() == llvm::Triple::x86_64) {
+ ArchName =
+ (A->getOption().matches(options::OPT_m32)) ? "i386" : "x86_64";
+ } else if (Triple.getArch() == llvm::Triple::ppc ||
+ Triple.getArch() == llvm::Triple::ppc64) {
+ ArchName =
+ (A->getOption().matches(options::OPT_m32)) ? "powerpc" : "powerpc64";
+ }
+ }
+
+ ToolChain *&TC = ToolChains[ArchName];
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(ArchName);
+
+ TC = new toolchains::Generic_GCC(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+// OpenBSD Host Info
+
+/// OpenBSDHostInfo - OpenBSD host information implementation.
+class OpenBSDHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ OpenBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {}
+ ~OpenBSDHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+OpenBSDHostInfo::~OpenBSDHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool OpenBSDHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *OpenBSDHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ std::string Arch = getArchName();
+ ArchName = Arch.c_str();
+
+ ToolChain *&TC = ToolChains[ArchName];
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(ArchName);
+
+ TC = new toolchains::OpenBSD(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+// AuroraUX Host Info
+
+/// AuroraUXHostInfo - AuroraUX host information implementation.
+class AuroraUXHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ AuroraUXHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {}
+ ~AuroraUXHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+AuroraUXHostInfo::~AuroraUXHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool AuroraUXHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *AuroraUXHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ ToolChain *&TC = ToolChains[getArchName()];
+
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(getArchName());
+
+ TC = new toolchains::AuroraUX(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+// FreeBSD Host Info
+
+/// FreeBSDHostInfo - FreeBSD host information implementation.
+class FreeBSDHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ FreeBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {}
+ ~FreeBSDHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+FreeBSDHostInfo::~FreeBSDHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool FreeBSDHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *FreeBSDHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ bool Lib32 = false;
+
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ // On x86_64 we need to be able to compile 32-bits binaries as well.
+ // Compiling 64-bit binaries on i386 is not supported. We don't have a
+ // lib64.
+ std::string Arch = getArchName();
+ ArchName = Arch.c_str();
+ if (Args.hasArg(options::OPT_m32) && getArchName() == "x86_64") {
+ ArchName = "i386";
+ Lib32 = true;
+ }
+
+ ToolChain *&TC = ToolChains[ArchName];
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(ArchName);
+
+ TC = new toolchains::FreeBSD(*this, TCTriple, Lib32);
+ }
+
+ return TC;
+}
+
+// DragonFly Host Info
+
+/// DragonFlyHostInfo - DragonFly host information implementation.
+class DragonFlyHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ DragonFlyHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {}
+ ~DragonFlyHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+DragonFlyHostInfo::~DragonFlyHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool DragonFlyHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *DragonFlyHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ ToolChain *&TC = ToolChains[getArchName()];
+
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(getArchName());
+
+ TC = new toolchains::DragonFly(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+// Linux Host Info
+
+/// LinuxHostInfo - Linux host information implementation.
+class LinuxHostInfo : public HostInfo {
+ /// Cache of tool chains we have created.
+ mutable llvm::StringMap<ToolChain*> ToolChains;
+
+public:
+ LinuxHostInfo(const Driver &D, const llvm::Triple& Triple)
+ : HostInfo(D, Triple) {}
+ ~LinuxHostInfo();
+
+ virtual bool useDriverDriver() const;
+
+ virtual types::ID lookupTypeForExtension(const char *Ext) const {
+ return types::lookupTypeForExtension(Ext);
+ }
+
+ virtual ToolChain *CreateToolChain(const ArgList &Args,
+ const char *ArchName) const;
+};
+
+LinuxHostInfo::~LinuxHostInfo() {
+ for (llvm::StringMap<ToolChain*>::iterator
+ it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
+ delete it->second;
+}
+
+bool LinuxHostInfo::useDriverDriver() const {
+ return false;
+}
+
+ToolChain *LinuxHostInfo::CreateToolChain(const ArgList &Args,
+ const char *ArchName) const {
+
+ assert(!ArchName &&
+ "Unexpected arch name on platform without driver driver support.");
+
+ // Automatically handle some instances of -m32/-m64 we know about.
+ std::string Arch = getArchName();
+ ArchName = Arch.c_str();
+ if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
+ if (Triple.getArch() == llvm::Triple::x86 ||
+ Triple.getArch() == llvm::Triple::x86_64) {
+ ArchName =
+ (A->getOption().matches(options::OPT_m32)) ? "i386" : "x86_64";
+ } else if (Triple.getArch() == llvm::Triple::ppc ||
+ Triple.getArch() == llvm::Triple::ppc64) {
+ ArchName =
+ (A->getOption().matches(options::OPT_m32)) ? "powerpc" : "powerpc64";
+ }
+ }
+
+ ToolChain *&TC = ToolChains[ArchName];
+
+ if (!TC) {
+ llvm::Triple TCTriple(getTriple());
+ TCTriple.setArchName(ArchName);
+
+ TC = new toolchains::Linux(*this, TCTriple);
+ }
+
+ return TC;
+}
+
+}
+
+const HostInfo *
+clang::driver::createAuroraUXHostInfo(const Driver &D,
+ const llvm::Triple& Triple){
+ return new AuroraUXHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createDarwinHostInfo(const Driver &D,
+ const llvm::Triple& Triple){
+ return new DarwinHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createOpenBSDHostInfo(const Driver &D,
+ const llvm::Triple& Triple) {
+ return new OpenBSDHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createFreeBSDHostInfo(const Driver &D,
+ const llvm::Triple& Triple) {
+ return new FreeBSDHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createDragonFlyHostInfo(const Driver &D,
+ const llvm::Triple& Triple) {
+ return new DragonFlyHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createLinuxHostInfo(const Driver &D,
+ const llvm::Triple& Triple) {
+ return new LinuxHostInfo(D, Triple);
+}
+
+const HostInfo *
+clang::driver::createUnknownHostInfo(const Driver &D,
+ const llvm::Triple& Triple) {
+ return new UnknownHostInfo(D, Triple);
+}
diff --git a/lib/Driver/InputInfo.h b/lib/Driver/InputInfo.h
new file mode 100644
index 0000000..c657bef
--- /dev/null
+++ b/lib/Driver/InputInfo.h
@@ -0,0 +1,101 @@
+//===--- InputInfo.h - Input Source & Type Information ----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_INPUTINFO_H_
+#define CLANG_LIB_DRIVER_INPUTINFO_H_
+
+#include "clang/Driver/Types.h"
+
+#include <cassert>
+#include <string>
+
+namespace clang {
+namespace driver {
+ class PipedJob;
+
+/// InputInfo - Wrapper for information about an input source.
+class InputInfo {
+ // FIXME: The distinction between filenames and inputarg here is
+ // gross; we should probably drop the idea of a "linker
+ // input". Doing so means tweaking pipelining to still create link
+ // steps when it sees linker inputs (but not treat them as
+ // arguments), and making sure that arguments get rendered
+ // correctly.
+ enum Class {
+ Nothing,
+ Filename,
+ InputArg,
+ Pipe
+ };
+
+ union {
+ const char *Filename;
+ const Arg *InputArg;
+ PipedJob *Pipe;
+ } Data;
+ Class Kind;
+ types::ID Type;
+ const char *BaseInput;
+
+public:
+ InputInfo() {}
+ InputInfo(types::ID _Type, const char *_BaseInput)
+ : Kind(Nothing), Type(_Type), BaseInput(_BaseInput) {
+ }
+ InputInfo(const char *_Filename, types::ID _Type, const char *_BaseInput)
+ : Kind(Filename), Type(_Type), BaseInput(_BaseInput) {
+ Data.Filename = _Filename;
+ }
+ InputInfo(const Arg *_InputArg, types::ID _Type, const char *_BaseInput)
+ : Kind(InputArg), Type(_Type), BaseInput(_BaseInput) {
+ Data.InputArg = _InputArg;
+ }
+ InputInfo(PipedJob *_Pipe, types::ID _Type, const char *_BaseInput)
+ : Kind(Pipe), Type(_Type), BaseInput(_BaseInput) {
+ Data.Pipe = _Pipe;
+ }
+
+ bool isNothing() const { return Kind == Nothing; }
+ bool isFilename() const { return Kind == Filename; }
+ bool isInputArg() const { return Kind == InputArg; }
+ bool isPipe() const { return Kind == Pipe; }
+ types::ID getType() const { return Type; }
+ const char *getBaseInput() const { return BaseInput; }
+
+ const char *getFilename() const {
+ assert(isFilename() && "Invalid accessor.");
+ return Data.Filename;
+ }
+ const Arg &getInputArg() const {
+ assert(isInputArg() && "Invalid accessor.");
+ return *Data.InputArg;
+ }
+ PipedJob &getPipe() const {
+ assert(isPipe() && "Invalid accessor.");
+ return *Data.Pipe;
+ }
+
+ /// getAsString - Return a string name for this input, for
+ /// debugging.
+ std::string getAsString() const {
+ if (isPipe())
+ return "(pipe)";
+ else if (isFilename())
+ return std::string("\"") + getFilename() + '"';
+ else if (isInputArg())
+ return "(input arg)";
+ else
+ return "(nothing)";
+ }
+};
+
+} // end namespace driver
+} // end namespace clang
+
+#endif
diff --git a/lib/Driver/Job.cpp b/lib/Driver/Job.cpp
new file mode 100644
index 0000000..1bd123e
--- /dev/null
+++ b/lib/Driver/Job.cpp
@@ -0,0 +1,34 @@
+//===--- Job.cpp - Command to Execute -----------------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Job.h"
+
+#include <cassert>
+using namespace clang::driver;
+
+Job::~Job() {}
+
+Command::Command(const Action &_Source, const Tool &_Creator,
+ const char *_Executable, const ArgStringList &_Arguments)
+ : Job(CommandClass), Source(_Source), Creator(_Creator),
+ Executable(_Executable), Arguments(_Arguments)
+{
+}
+
+PipedJob::PipedJob() : Job(PipedJobClass) {}
+
+JobList::JobList() : Job(JobListClass) {}
+
+void Job::addCommand(Command *C) {
+ if (PipedJob *PJ = dyn_cast<PipedJob>(this))
+ PJ->addCommand(C);
+ else
+ cast<JobList>(this)->addJob(C);
+}
+
diff --git a/lib/Driver/Makefile b/lib/Driver/Makefile
new file mode 100644
index 0000000..371bda7
--- /dev/null
+++ b/lib/Driver/Makefile
@@ -0,0 +1,16 @@
+##===- clang/lib/Driver/Makefile ---------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../../..
+LIBRARYNAME := clangDriver
+BUILD_ARCHIVE = 1
+
+CPPFLAGS += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include
+
+include $(LEVEL)/Makefile.common
diff --git a/lib/Driver/OptTable.cpp b/lib/Driver/OptTable.cpp
new file mode 100644
index 0000000..f69d5d8
--- /dev/null
+++ b/lib/Driver/OptTable.cpp
@@ -0,0 +1,377 @@
+//===--- OptTable.cpp - Option Table Implementation ---------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Option.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cassert>
+#include <map>
+using namespace clang::driver;
+using namespace clang::driver::options;
+
+// Ordering on Info. The ordering is *almost* lexicographic, with two
+// exceptions. First, '\0' comes at the end of the alphabet instead of
+// the beginning (thus options preceed any other options which prefix
+// them). Second, for options with the same name, the less permissive
+// version should come first; a Flag option should preceed a Joined
+// option, for example.
+
+static int StrCmpOptionName(const char *A, const char *B) {
+ char a = *A, b = *B;
+ while (a == b) {
+ if (a == '\0')
+ return 0;
+
+ a = *++A;
+ b = *++B;
+ }
+
+ if (a == '\0') // A is a prefix of B.
+ return 1;
+ if (b == '\0') // B is a prefix of A.
+ return -1;
+
+ // Otherwise lexicographic.
+ return (a < b) ? -1 : 1;
+}
+
+namespace clang {
+namespace driver {
+static inline bool operator<(const OptTable::Info &A, const OptTable::Info &B) {
+ if (&A == &B)
+ return false;
+
+ if (int N = StrCmpOptionName(A.Name, B.Name))
+ return N == -1;
+
+ // Names are the same, check that classes are in order; exactly one
+ // should be joined, and it should succeed the other.
+ assert(((A.Kind == Option::JoinedClass) ^ (B.Kind == Option::JoinedClass)) &&
+ "Unexpected classes for options with same name.");
+ return B.Kind == Option::JoinedClass;
+}
+
+// Support lower_bound between info and an option name.
+static inline bool operator<(const OptTable::Info &I, const char *Name) {
+ return StrCmpOptionName(I.Name, Name) == -1;
+}
+static inline bool operator<(const char *Name, const OptTable::Info &I) {
+ return StrCmpOptionName(Name, I.Name) == -1;
+}
+}
+}
+
+//
+
+OptSpecifier::OptSpecifier(const Option *Opt) : ID(Opt->getID()) {}
+
+//
+
+OptTable::OptTable(const Info *_OptionInfos, unsigned _NumOptionInfos)
+ : OptionInfos(_OptionInfos), NumOptionInfos(_NumOptionInfos),
+ Options(new Option*[NumOptionInfos]),
+ TheInputOption(0), TheUnknownOption(0), FirstSearchableIndex(0)
+{
+ // Explicitly zero initialize the error to work around a bug in array
+ // value-initialization on MinGW with gcc 4.3.5.
+ memset(Options, 0, sizeof(*Options) * NumOptionInfos);
+
+ // Find start of normal options.
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
+ unsigned Kind = getInfo(i + 1).Kind;
+ if (Kind == Option::InputClass) {
+ assert(!TheInputOption && "Cannot have multiple input options!");
+ TheInputOption = getOption(i + 1);
+ } else if (Kind == Option::UnknownClass) {
+ assert(!TheUnknownOption && "Cannot have multiple input options!");
+ TheUnknownOption = getOption(i + 1);
+ } else if (Kind != Option::GroupClass) {
+ FirstSearchableIndex = i;
+ break;
+ }
+ }
+ assert(FirstSearchableIndex != 0 && "No searchable options?");
+
+#ifndef NDEBUG
+ // Check that everything after the first searchable option is a
+ // regular option class.
+ for (unsigned i = FirstSearchableIndex, e = getNumOptions(); i != e; ++i) {
+ Option::OptionClass Kind = (Option::OptionClass) getInfo(i + 1).Kind;
+ assert((Kind != Option::InputClass && Kind != Option::UnknownClass &&
+ Kind != Option::GroupClass) &&
+ "Special options should be defined first!");
+ }
+
+ // Check that options are in order.
+ for (unsigned i = FirstSearchableIndex+1, e = getNumOptions(); i != e; ++i) {
+ if (!(getInfo(i) < getInfo(i + 1))) {
+ getOption(i)->dump();
+ getOption(i + 1)->dump();
+ assert(0 && "Options are not in order!");
+ }
+ }
+#endif
+}
+
+OptTable::~OptTable() {
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
+ delete Options[i];
+ delete[] Options;
+}
+
+Option *OptTable::CreateOption(unsigned id) const {
+ const Info &info = getInfo(id);
+ const OptionGroup *Group =
+ cast_or_null<OptionGroup>(getOption(info.GroupID));
+ const Option *Alias = getOption(info.AliasID);
+
+ Option *Opt = 0;
+ switch (info.Kind) {
+ case Option::InputClass:
+ Opt = new InputOption(id); break;
+ case Option::UnknownClass:
+ Opt = new UnknownOption(id); break;
+ case Option::GroupClass:
+ Opt = new OptionGroup(id, info.Name, Group); break;
+ case Option::FlagClass:
+ Opt = new FlagOption(id, info.Name, Group, Alias); break;
+ case Option::JoinedClass:
+ Opt = new JoinedOption(id, info.Name, Group, Alias); break;
+ case Option::SeparateClass:
+ Opt = new SeparateOption(id, info.Name, Group, Alias); break;
+ case Option::CommaJoinedClass:
+ Opt = new CommaJoinedOption(id, info.Name, Group, Alias); break;
+ case Option::MultiArgClass:
+ Opt = new MultiArgOption(id, info.Name, Group, Alias, info.Param); break;
+ case Option::JoinedOrSeparateClass:
+ Opt = new JoinedOrSeparateOption(id, info.Name, Group, Alias); break;
+ case Option::JoinedAndSeparateClass:
+ Opt = new JoinedAndSeparateOption(id, info.Name, Group, Alias); break;
+ }
+
+ if (info.Flags & DriverOption)
+ Opt->setDriverOption(true);
+ if (info.Flags & LinkerInput)
+ Opt->setLinkerInput(true);
+ if (info.Flags & NoArgumentUnused)
+ Opt->setNoArgumentUnused(true);
+ if (info.Flags & RenderAsInput)
+ Opt->setNoOptAsInput(true);
+ if (info.Flags & RenderJoined) {
+ assert(info.Kind == Option::SeparateClass && "Invalid option.");
+ Opt->setForceJoinedRender(true);
+ }
+ if (info.Flags & RenderSeparate) {
+ assert(info.Kind == Option::JoinedClass && "Invalid option.");
+ Opt->setForceSeparateRender(true);
+ }
+ if (info.Flags & Unsupported)
+ Opt->setUnsupported(true);
+
+ return Opt;
+}
+
+Arg *OptTable::ParseOneArg(const InputArgList &Args, unsigned &Index) const {
+ unsigned Prev = Index;
+ const char *Str = Args.getArgString(Index);
+
+ // Anything that doesn't start with '-' is an input, as is '-' itself.
+ if (Str[0] != '-' || Str[1] == '\0')
+ return new PositionalArg(TheInputOption, Index++);
+
+ const Info *Start = OptionInfos + FirstSearchableIndex;
+ const Info *End = OptionInfos + getNumOptions();
+
+ // Search for the first next option which could be a prefix.
+ Start = std::lower_bound(Start, End, Str);
+
+ // Options are stored in sorted order, with '\0' at the end of the
+ // alphabet. Since the only options which can accept a string must
+ // prefix it, we iteratively search for the next option which could
+ // be a prefix.
+ //
+ // FIXME: This is searching much more than necessary, but I am
+ // blanking on the simplest way to make it fast. We can solve this
+ // problem when we move to TableGen.
+ for (; Start != End; ++Start) {
+ // Scan for first option which is a proper prefix.
+ for (; Start != End; ++Start)
+ if (memcmp(Str, Start->Name, strlen(Start->Name)) == 0)
+ break;
+ if (Start == End)
+ break;
+
+ // See if this option matches.
+ if (Arg *A = getOption(Start - OptionInfos + 1)->accept(Args, Index))
+ return A;
+
+ // Otherwise, see if this argument was missing values.
+ if (Prev != Index)
+ return 0;
+ }
+
+ return new PositionalArg(TheUnknownOption, Index++);
+}
+
+InputArgList *OptTable::ParseArgs(const char **ArgBegin, const char **ArgEnd,
+ unsigned &MissingArgIndex,
+ unsigned &MissingArgCount) const {
+ InputArgList *Args = new InputArgList(ArgBegin, ArgEnd);
+
+ // FIXME: Handle '@' args (or at least error on them).
+
+ MissingArgIndex = MissingArgCount = 0;
+ unsigned Index = 0, End = ArgEnd - ArgBegin;
+ while (Index < End) {
+ // Ignore empty arguments (other things may still take them as arguments).
+ if (Args->getArgString(Index)[0] == '\0') {
+ ++Index;
+ continue;
+ }
+
+ unsigned Prev = Index;
+ Arg *A = ParseOneArg(*Args, Index);
+ assert(Index > Prev && "Parser failed to consume argument.");
+
+ // Check for missing argument error.
+ if (!A) {
+ assert(Index >= End && "Unexpected parser error.");
+ assert(Index - Prev - 1 && "No missing arguments!");
+ MissingArgIndex = Prev;
+ MissingArgCount = Index - Prev - 1;
+ break;
+ }
+
+ Args->append(A);
+ }
+
+ return Args;
+}
+
+static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
+ std::string Name = Opts.getOptionName(Id);
+
+ // Add metavar, if used.
+ switch (Opts.getOptionKind(Id)) {
+ case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
+ assert(0 && "Invalid option with help text.");
+
+ case Option::MultiArgClass: case Option::JoinedAndSeparateClass:
+ assert(0 && "Cannot print metavar for this kind of option.");
+
+ case Option::FlagClass:
+ break;
+
+ case Option::SeparateClass: case Option::JoinedOrSeparateClass:
+ Name += ' ';
+ // FALLTHROUGH
+ case Option::JoinedClass: case Option::CommaJoinedClass:
+ if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
+ Name += MetaVarName;
+ else
+ Name += "<value>";
+ break;
+ }
+
+ return Name;
+}
+
+static void PrintHelpOptionList(llvm::raw_ostream &OS, llvm::StringRef Title,
+ std::vector<std::pair<std::string,
+ const char*> > &OptionHelp) {
+ OS << Title << ":\n";
+
+ // Find the maximum option length.
+ unsigned OptionFieldWidth = 0;
+ for (unsigned i = 0, e = OptionHelp.size(); i != e; ++i) {
+ // Skip titles.
+ if (!OptionHelp[i].second)
+ continue;
+
+ // Limit the amount of padding we are willing to give up for alignment.
+ unsigned Length = OptionHelp[i].first.size();
+ if (Length <= 23)
+ OptionFieldWidth = std::max(OptionFieldWidth, Length);
+ }
+
+ const unsigned InitialPad = 2;
+ for (unsigned i = 0, e = OptionHelp.size(); i != e; ++i) {
+ const std::string &Option = OptionHelp[i].first;
+ int Pad = OptionFieldWidth - int(Option.size());
+ OS.indent(InitialPad) << Option;
+
+ // Break on long option names.
+ if (Pad < 0) {
+ OS << "\n";
+ Pad = OptionFieldWidth + InitialPad;
+ }
+ OS.indent(Pad + 1) << OptionHelp[i].second << '\n';
+ }
+}
+
+static const char *getOptionHelpGroup(const OptTable &Opts, OptSpecifier Id) {
+ unsigned GroupID = Opts.getOptionGroupID(Id);
+
+ // If not in a group, return the default help group.
+ if (!GroupID)
+ return "OPTIONS";
+
+ // Abuse the help text of the option groups to store the "help group"
+ // name.
+ //
+ // FIXME: Split out option groups.
+ if (const char *GroupHelp = Opts.getOptionHelpText(GroupID))
+ return GroupHelp;
+
+ // Otherwise keep looking.
+ return getOptionHelpGroup(Opts, GroupID);
+}
+
+void OptTable::PrintHelp(llvm::raw_ostream &OS, const char *Name,
+ const char *Title, bool ShowHidden) const {
+ OS << "OVERVIEW: " << Title << "\n";
+ OS << '\n';
+ OS << "USAGE: " << Name << " [options] <inputs>\n";
+ OS << '\n';
+
+ // Render help text into a map of group-name to a list of (option, help)
+ // pairs.
+ typedef std::map<std::string,
+ std::vector<std::pair<std::string, const char*> > > helpmap_ty;
+ helpmap_ty GroupedOptionHelp;
+
+ for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
+ unsigned Id = i + 1;
+
+ // FIXME: Split out option groups.
+ if (getOptionKind(Id) == Option::GroupClass)
+ continue;
+
+ if (!ShowHidden && isOptionHelpHidden(Id))
+ continue;
+
+ if (const char *Text = getOptionHelpText(Id)) {
+ const char *HelpGroup = getOptionHelpGroup(*this, Id);
+ const std::string &OptName = getOptionHelpName(*this, Id);
+ GroupedOptionHelp[HelpGroup].push_back(std::make_pair(OptName, Text));
+ }
+ }
+
+ for (helpmap_ty::iterator it = GroupedOptionHelp .begin(),
+ ie = GroupedOptionHelp.end(); it != ie; ++it) {
+ if (it != GroupedOptionHelp .begin())
+ OS << "\n";
+ PrintHelpOptionList(OS, it->first, it->second);
+ }
+
+ OS.flush();
+}
diff --git a/lib/Driver/Option.cpp b/lib/Driver/Option.cpp
new file mode 100644
index 0000000..17d00f5
--- /dev/null
+++ b/lib/Driver/Option.cpp
@@ -0,0 +1,232 @@
+//===--- Option.cpp - Abstract Driver Options ---------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Option.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cassert>
+#include <algorithm>
+using namespace clang::driver;
+
+Option::Option(OptionClass _Kind, OptSpecifier _ID, const char *_Name,
+ const OptionGroup *_Group, const Option *_Alias)
+ : Kind(_Kind), ID(_ID.getID()), Name(_Name), Group(_Group), Alias(_Alias),
+ Unsupported(false), LinkerInput(false), NoOptAsInput(false),
+ ForceSeparateRender(false), ForceJoinedRender(false),
+ DriverOption(false), NoArgumentUnused(false) {
+
+ // Multi-level aliases are not supported, and alias options cannot
+ // have groups. This just simplifies option tracking, it is not an
+ // inherent limitation.
+ assert((!Alias || (!Alias->Alias && !Group)) &&
+ "Multi-level aliases and aliases with groups are unsupported.");
+}
+
+Option::~Option() {
+}
+
+void Option::dump() const {
+ llvm::errs() << "<";
+ switch (Kind) {
+ default:
+ assert(0 && "Invalid kind");
+#define P(N) case N: llvm::errs() << #N; break
+ P(GroupClass);
+ P(InputClass);
+ P(UnknownClass);
+ P(FlagClass);
+ P(JoinedClass);
+ P(SeparateClass);
+ P(CommaJoinedClass);
+ P(MultiArgClass);
+ P(JoinedOrSeparateClass);
+ P(JoinedAndSeparateClass);
+#undef P
+ }
+
+ llvm::errs() << " Name:\"" << Name << '"';
+
+ if (Group) {
+ llvm::errs() << " Group:";
+ Group->dump();
+ }
+
+ if (Alias) {
+ llvm::errs() << " Alias:";
+ Alias->dump();
+ }
+
+ if (const MultiArgOption *MOA = dyn_cast<MultiArgOption>(this))
+ llvm::errs() << " NumArgs:" << MOA->getNumArgs();
+
+ llvm::errs() << ">\n";
+}
+
+bool Option::matches(OptSpecifier Opt) const {
+ // Aliases are never considered in matching, look through them.
+ if (Alias)
+ return Alias->matches(Opt);
+
+ // Check exact match.
+ if (ID == Opt)
+ return true;
+
+ if (Group)
+ return Group->matches(Opt);
+ return false;
+}
+
+OptionGroup::OptionGroup(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group)
+ : Option(Option::GroupClass, ID, Name, Group, 0) {
+}
+
+Arg *OptionGroup::accept(const InputArgList &Args, unsigned &Index) const {
+ assert(0 && "accept() should never be called on an OptionGroup");
+ return 0;
+}
+
+InputOption::InputOption(OptSpecifier ID)
+ : Option(Option::InputClass, ID, "<input>", 0, 0) {
+}
+
+Arg *InputOption::accept(const InputArgList &Args, unsigned &Index) const {
+ assert(0 && "accept() should never be called on an InputOption");
+ return 0;
+}
+
+UnknownOption::UnknownOption(OptSpecifier ID)
+ : Option(Option::UnknownClass, ID, "<unknown>", 0, 0) {
+}
+
+Arg *UnknownOption::accept(const InputArgList &Args, unsigned &Index) const {
+ assert(0 && "accept() should never be called on an UnknownOption");
+ return 0;
+}
+
+FlagOption::FlagOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::FlagClass, ID, Name, Group, Alias) {
+}
+
+Arg *FlagOption::accept(const InputArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (strlen(getName()) != strlen(Args.getArgString(Index)))
+ return 0;
+
+ return new FlagArg(this, Index++);
+}
+
+JoinedOption::JoinedOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::JoinedClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedOption::accept(const InputArgList &Args, unsigned &Index) const {
+ // Always matches.
+ return new JoinedArg(this, Index++);
+}
+
+CommaJoinedOption::CommaJoinedOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::CommaJoinedClass, ID, Name, Group, Alias) {
+}
+
+Arg *CommaJoinedOption::accept(const InputArgList &Args,
+ unsigned &Index) const {
+ // Always matches. We count the commas now so we can answer
+ // getNumValues easily.
+
+ // Get the suffix string.
+ // FIXME: Avoid strlen, and move to helper method?
+ const char *Suffix = Args.getArgString(Index) + strlen(getName());
+ return new CommaJoinedArg(this, Index++, Suffix);
+}
+
+SeparateOption::SeparateOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias)
+ : Option(Option::SeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *SeparateOption::accept(const InputArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (strlen(getName()) != strlen(Args.getArgString(Index)))
+ return 0;
+
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new SeparateArg(this, Index - 2, 1);
+}
+
+MultiArgOption::MultiArgOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group, const Option *Alias,
+ unsigned _NumArgs)
+ : Option(Option::MultiArgClass, ID, Name, Group, Alias), NumArgs(_NumArgs) {
+ assert(NumArgs > 1 && "Invalid MultiArgOption!");
+}
+
+Arg *MultiArgOption::accept(const InputArgList &Args, unsigned &Index) const {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (strlen(getName()) != strlen(Args.getArgString(Index)))
+ return 0;
+
+ Index += 1 + NumArgs;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new SeparateArg(this, Index - 1 - NumArgs, NumArgs);
+}
+
+JoinedOrSeparateOption::JoinedOrSeparateOption(OptSpecifier ID, const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::JoinedOrSeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedOrSeparateOption::accept(const InputArgList &Args,
+ unsigned &Index) const {
+ // If this is not an exact match, it is a joined arg.
+ // FIXME: Avoid strlen.
+ if (strlen(getName()) != strlen(Args.getArgString(Index)))
+ return new JoinedArg(this, Index++);
+
+ // Otherwise it must be separate.
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new SeparateArg(this, Index - 2, 1);
+}
+
+JoinedAndSeparateOption::JoinedAndSeparateOption(OptSpecifier ID,
+ const char *Name,
+ const OptionGroup *Group,
+ const Option *Alias)
+ : Option(Option::JoinedAndSeparateClass, ID, Name, Group, Alias) {
+}
+
+Arg *JoinedAndSeparateOption::accept(const InputArgList &Args,
+ unsigned &Index) const {
+ // Always matches.
+
+ Index += 2;
+ if (Index > Args.getNumInputArgStrings())
+ return 0;
+
+ return new JoinedAndSeparateArg(this, Index - 2);
+}
+
diff --git a/lib/Driver/Phases.cpp b/lib/Driver/Phases.cpp
new file mode 100644
index 0000000..df4cdee
--- /dev/null
+++ b/lib/Driver/Phases.cpp
@@ -0,0 +1,27 @@
+//===--- Phases.cpp - Transformations on Driver Types -------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Phases.h"
+
+#include <cassert>
+
+using namespace clang::driver;
+
+const char *phases::getPhaseName(ID Id) {
+ switch (Id) {
+ case Preprocess: return "preprocessor";
+ case Precompile: return "precompiler";
+ case Compile: return "compiler";
+ case Assemble: return "assembler";
+ case Link: return "linker";
+ }
+
+ assert(0 && "Invalid phase id.");
+ return 0;
+}
diff --git a/lib/Driver/Tool.cpp b/lib/Driver/Tool.cpp
new file mode 100644
index 0000000..781e0a7
--- /dev/null
+++ b/lib/Driver/Tool.cpp
@@ -0,0 +1,19 @@
+//===--- Tool.cpp - Compilation Tools -----------------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Tool.h"
+
+using namespace clang::driver;
+
+Tool::Tool(const char *_Name, const ToolChain &TC) : Name(_Name),
+ TheToolChain(TC) {
+}
+
+Tool::~Tool() {
+}
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
new file mode 100644
index 0000000..9b6264a
--- /dev/null
+++ b/lib/Driver/ToolChain.cpp
@@ -0,0 +1,39 @@
+//===--- ToolChain.cpp - Collections of tools for one platform ----------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/ToolChain.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/HostInfo.h"
+
+using namespace clang::driver;
+
+ToolChain::ToolChain(const HostInfo &_Host, const llvm::Triple &_Triple)
+ : Host(_Host), Triple(_Triple) {
+}
+
+ToolChain::~ToolChain() {
+}
+
+const Driver &ToolChain::getDriver() const {
+ return Host.getDriver();
+}
+
+std::string ToolChain::GetFilePath(const Compilation &C,
+ const char *Name) const {
+ return Host.getDriver().GetFilePath(Name, *this);
+
+}
+
+std::string ToolChain::GetProgramPath(const Compilation &C,
+ const char *Name,
+ bool WantFile) const {
+ return Host.getDriver().GetProgramPath(Name, *this, WantFile);
+}
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
new file mode 100644
index 0000000..a00d8d9
--- /dev/null
+++ b/lib/Driver/ToolChains.cpp
@@ -0,0 +1,886 @@
+//===--- ToolChains.cpp - ToolChain Implementations ---------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ToolChains.h"
+
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/HostInfo.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Path.h"
+
+#include <cstdlib> // ::getenv
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+
+/// Darwin - Darwin tool chain for i386 and x86_64.
+
+Darwin::Darwin(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&_DarwinVersion)[3])
+ : ToolChain(Host, Triple), TargetInitialized(false)
+{
+ llvm::raw_string_ostream(MacosxVersionMin)
+ << "10." << std::max(0, (int)_DarwinVersion[0] - 4) << '.'
+ << _DarwinVersion[1];
+}
+
+// FIXME: Can we tablegen this?
+static const char *GetArmArchForMArch(llvm::StringRef Value) {
+ if (Value == "armv6k")
+ return "armv6";
+
+ if (Value == "armv5tej")
+ return "armv5";
+
+ if (Value == "xscale")
+ return "xscale";
+
+ if (Value == "armv4t")
+ return "armv4t";
+
+ if (Value == "armv7" || Value == "armv7-a" || Value == "armv7-r" ||
+ Value == "armv7-m" || Value == "armv7a" || Value == "armv7r" ||
+ Value == "armv7m")
+ return "armv7";
+
+ return 0;
+}
+
+// FIXME: Can we tablegen this?
+static const char *GetArmArchForMCpu(llvm::StringRef Value) {
+ if (Value == "arm10tdmi" || Value == "arm1020t" || Value == "arm9e" ||
+ Value == "arm946e-s" || Value == "arm966e-s" ||
+ Value == "arm968e-s" || Value == "arm10e" ||
+ Value == "arm1020e" || Value == "arm1022e" || Value == "arm926ej-s" ||
+ Value == "arm1026ej-s")
+ return "armv5";
+
+ if (Value == "xscale")
+ return "xscale";
+
+ if (Value == "arm1136j-s" || Value == "arm1136jf-s" ||
+ Value == "arm1176jz-s" || Value == "arm1176jzf-s")
+ return "armv6";
+
+ if (Value == "cortex-a8" || Value == "cortex-r4" || Value == "cortex-m3")
+ return "armv7";
+
+ return 0;
+}
+
+llvm::StringRef Darwin::getDarwinArchName(const ArgList &Args) const {
+ switch (getTriple().getArch()) {
+ default:
+ return getArchName();
+
+ case llvm::Triple::arm: {
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
+ if (const char *Arch = GetArmArchForMArch(A->getValue(Args)))
+ return Arch;
+
+ if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ if (const char *Arch = GetArmArchForMCpu(A->getValue(Args)))
+ return Arch;
+
+ return "arm";
+ }
+ }
+}
+
+DarwinGCC::DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&DarwinVersion)[3],
+ const unsigned (&_GCCVersion)[3])
+ : Darwin(Host, Triple, DarwinVersion)
+{
+ GCCVersion[0] = _GCCVersion[0];
+ GCCVersion[1] = _GCCVersion[1];
+ GCCVersion[2] = _GCCVersion[2];
+
+ // Set up the tool chain paths to match gcc.
+ ToolChainDir = "i686-apple-darwin";
+ ToolChainDir += llvm::utostr(DarwinVersion[0]);
+ ToolChainDir += "/";
+ ToolChainDir += llvm::utostr(GCCVersion[0]);
+ ToolChainDir += '.';
+ ToolChainDir += llvm::utostr(GCCVersion[1]);
+ ToolChainDir += '.';
+ ToolChainDir += llvm::utostr(GCCVersion[2]);
+
+ // Try the next major version if that tool chain dir is invalid.
+ std::string Tmp = "/usr/lib/gcc/" + ToolChainDir;
+ if (!llvm::sys::Path(Tmp).exists()) {
+ std::string Next = "i686-apple-darwin";
+ Next += llvm::utostr(DarwinVersion[0] + 1);
+ Next += "/";
+ Next += llvm::utostr(GCCVersion[0]);
+ Next += '.';
+ Next += llvm::utostr(GCCVersion[1]);
+ Next += '.';
+ Next += llvm::utostr(GCCVersion[2]);
+
+ // Use that if it exists, otherwise hope the user isn't linking.
+ //
+ // FIXME: Drop dependency on gcc's tool chain.
+ Tmp = "/usr/lib/gcc/" + Next;
+ if (llvm::sys::Path(Tmp).exists())
+ ToolChainDir = Next;
+ }
+
+ std::string Path;
+ if (getArchName() == "x86_64") {
+ Path = getDriver().Dir;
+ Path += "/../lib/gcc/";
+ Path += ToolChainDir;
+ Path += "/x86_64";
+ getFilePaths().push_back(Path);
+
+ Path = "/usr/lib/gcc/";
+ Path += ToolChainDir;
+ Path += "/x86_64";
+ getFilePaths().push_back(Path);
+ }
+
+ Path = getDriver().Dir;
+ Path += "/../lib/gcc/";
+ Path += ToolChainDir;
+ getFilePaths().push_back(Path);
+
+ Path = "/usr/lib/gcc/";
+ Path += ToolChainDir;
+ getFilePaths().push_back(Path);
+
+ Path = getDriver().Dir;
+ Path += "/../libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+
+ Path = "/usr/libexec/gcc/";
+ Path += ToolChainDir;
+ getProgramPaths().push_back(Path);
+
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Darwin::~Darwin() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+Tool &Darwin::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::darwin::Preprocess(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::PrecompileJobClass:
+ case Action::CompileJobClass:
+ T = new tools::darwin::Compile(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::darwin::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::darwin::Link(*this); break;
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+void DarwinGCC::AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // FIXME: Derive these correctly.
+ if (getArchName() == "x86_64") {
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/x86_64"));
+ // Intentionally duplicated for (temporary) gcc bug compatibility.
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/x86_64"));
+ }
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/" + ToolChainDir));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
+ // Intentionally duplicated for (temporary) gcc bug compatibility.
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/../../../" + ToolChainDir));
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
+ "/../../.."));
+}
+
+void DarwinGCC::AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Note that this routine is only used for targetting OS X.
+
+ // Derived from libgcc and lib specs but refactored.
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_static");
+ } else {
+ if (Args.hasArg(options::OPT_static_libgcc)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else if (Args.hasArg(options::OPT_miphoneos_version_min_EQ)) {
+ // Derived from darwin_iphoneos_libgcc spec.
+ if (isTargetIPhoneOS()) {
+ CmdArgs.push_back("-lgcc_s.1");
+ } else {
+ CmdArgs.push_back("-lgcc_s.10.5");
+ }
+ } else if (Args.hasArg(options::OPT_shared_libgcc) ||
+ Args.hasFlag(options::OPT_fexceptions,
+ options::OPT_fno_exceptions) ||
+ Args.hasArg(options::OPT_fgnu_runtime)) {
+ // FIXME: This is probably broken on 10.3?
+ if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+ } else {
+ if (isMacosxVersionLT(10, 3, 9))
+ ; // Do nothing.
+ else if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+ }
+
+ if (isTargetIPhoneOS() || isMacosxVersionLT(10, 6)) {
+ CmdArgs.push_back("-lgcc");
+ CmdArgs.push_back("-lSystem");
+ } else {
+ CmdArgs.push_back("-lSystem");
+ CmdArgs.push_back("-lgcc");
+ }
+ }
+}
+
+DarwinClang::DarwinClang(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&DarwinVersion)[3])
+ : Darwin(Host, Triple, DarwinVersion)
+{
+ // We expect 'as', 'ld', etc. to be adjacent to our install dir.
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+void DarwinClang::AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // The Clang toolchain uses explicit paths for internal libraries.
+}
+
+void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Darwin doesn't support real static executables, don't link any runtime
+ // libraries with -static.
+ if (Args.hasArg(options::OPT_static))
+ return;
+
+ // Reject -static-libgcc for now, we can deal with this when and if someone
+ // cares. This is useful in situations where someone wants to statically link
+ // something like libstdc++, and needs its runtime support routines.
+ if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) {
+ getDriver().Diag(clang::diag::err_drv_unsupported_opt)
+ << A->getAsString(Args);
+ return;
+ }
+
+ // Otherwise link libSystem, then the dynamic runtime library, and finally any
+ // target specific static runtime library.
+ CmdArgs.push_back("-lSystem");
+
+ // Select the dynamic runtime library and the target specific static library.
+ const char *DarwinStaticLib = 0;
+ if (isTargetIPhoneOS()) {
+ CmdArgs.push_back("-lgcc_s.1");
+
+ // We may need some static functions for armv6/thumb which are required to
+ // be in the same linkage unit as their caller.
+ if (getDarwinArchName(Args) == "armv6")
+ DarwinStaticLib = "libclang_rt.armv6.a";
+ } else {
+ // The dynamic runtime library was merged with libSystem for 10.6 and
+ // beyond; only 10.4 and 10.5 need an additional runtime library.
+ if (isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lgcc_s.10.4");
+ else if (isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lgcc_s.10.5");
+
+ // For OS X, we only need a static runtime library when targetting 10.4, to
+ // provide versions of the static functions which were omitted from
+ // 10.4.dylib.
+ if (isMacosxVersionLT(10, 5))
+ DarwinStaticLib = "libclang_rt.10.4.a";
+ }
+
+ /// Add the target specific static library, if needed.
+ if (DarwinStaticLib) {
+ llvm::sys::Path P(getDriver().ResourceDir);
+ P.appendComponent("lib");
+ P.appendComponent("darwin");
+ P.appendComponent(DarwinStaticLib);
+
+ // For now, allow missing resource libraries to support developers who may
+ // not have compiler-rt checked out or integrated into their build.
+ if (!P.exists())
+ getDriver().Diag(clang::diag::warn_drv_missing_resource_library)
+ << P.str();
+ else
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+ }
+}
+
+DerivedArgList *Darwin::TranslateArgs(InputArgList &Args,
+ const char *BoundArch) const {
+ DerivedArgList *DAL = new DerivedArgList(Args, false);
+ const OptTable &Opts = getDriver().getOpts();
+
+ // FIXME: We really want to get out of the tool chain level argument
+ // translation business, as it makes the driver functionality much
+ // more opaque. For now, we follow gcc closely solely for the
+ // purpose of easily achieving feature parity & testability. Once we
+ // have something that works, we should reevaluate each translation
+ // and try to push it down into tool specific logic.
+
+ Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
+ Arg *iPhoneVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ);
+ if (OSXVersion && iPhoneVersion) {
+ getDriver().Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << OSXVersion->getAsString(Args)
+ << iPhoneVersion->getAsString(Args);
+ iPhoneVersion = 0;
+ } else if (!OSXVersion && !iPhoneVersion) {
+ // If neither OS X nor iPhoneOS targets were specified, check for
+ // environment defines.
+ const char *OSXTarget = ::getenv("MACOSX_DEPLOYMENT_TARGET");
+ const char *iPhoneOSTarget = ::getenv("IPHONEOS_DEPLOYMENT_TARGET");
+
+ // Ignore empty strings.
+ if (OSXTarget && OSXTarget[0] == '\0')
+ OSXTarget = 0;
+ if (iPhoneOSTarget && iPhoneOSTarget[0] == '\0')
+ iPhoneOSTarget = 0;
+
+ // Diagnose conflicting deployment targets, and choose default platform
+ // based on the tool chain.
+ //
+ // FIXME: Don't hardcode default here.
+ if (OSXTarget && iPhoneOSTarget) {
+ // FIXME: We should see if we can get away with warning or erroring on
+ // this. Perhaps put under -pedantic?
+ if (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb)
+ OSXVersion = 0;
+ else
+ iPhoneVersion = 0;
+ }
+
+ if (OSXTarget) {
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = DAL->MakeJoinedArg(0, O, OSXTarget);
+ DAL->append(OSXVersion);
+ } else if (iPhoneOSTarget) {
+ const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
+ iPhoneVersion = DAL->MakeJoinedArg(0, O, iPhoneOSTarget);
+ DAL->append(iPhoneVersion);
+ } else {
+ // Otherwise, choose a default platform based on the tool chain.
+ //
+ // FIXME: Don't hardcode default here.
+ if (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb) {
+ const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
+ iPhoneVersion = DAL->MakeJoinedArg(0, O, "3.0");
+ DAL->append(iPhoneVersion);
+ } else {
+ const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
+ OSXVersion = DAL->MakeJoinedArg(0, O, MacosxVersionMin);
+ DAL->append(OSXVersion);
+ }
+ }
+ }
+
+ // Set the tool chain target information.
+ unsigned Major, Minor, Micro;
+ bool HadExtra;
+ if (OSXVersion) {
+ assert(!iPhoneVersion && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(OSXVersion->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major != 10 || Minor >= 10 || Micro >= 10)
+ getDriver().Diag(clang::diag::err_drv_invalid_version_number)
+ << OSXVersion->getAsString(Args);
+ } else {
+ assert(iPhoneVersion && "Unknown target platform!");
+ if (!Driver::GetReleaseVersion(iPhoneVersion->getValue(Args), Major, Minor,
+ Micro, HadExtra) || HadExtra ||
+ Major >= 10 || Minor >= 100 || Micro >= 100)
+ getDriver().Diag(clang::diag::err_drv_invalid_version_number)
+ << iPhoneVersion->getAsString(Args);
+ }
+ setTarget(iPhoneVersion, Major, Minor, Micro);
+
+ for (ArgList::iterator it = Args.begin(), ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+
+ if (A->getOption().matches(options::OPT_Xarch__)) {
+ // FIXME: Canonicalize name.
+ if (getArchName() != A->getValue(Args, 0))
+ continue;
+
+ // FIXME: The arg is leaked here, and we should have a nicer
+ // interface for this.
+ unsigned Prev, Index = Prev = A->getIndex() + 1;
+ Arg *XarchArg = Opts.ParseOneArg(Args, Index);
+
+ // If the argument parsing failed or more than one argument was
+ // consumed, the -Xarch_ argument's parameter tried to consume
+ // extra arguments. Emit an error and ignore.
+ //
+ // We also want to disallow any options which would alter the
+ // driver behavior; that isn't going to work in our model. We
+ // use isDriverOption() as an approximation, although things
+ // like -O4 are going to slip through.
+ if (!XarchArg || Index > Prev + 1 ||
+ XarchArg->getOption().isDriverOption()) {
+ getDriver().Diag(clang::diag::err_drv_invalid_Xarch_argument)
+ << A->getAsString(Args);
+ continue;
+ }
+
+ XarchArg->setBaseArg(A);
+ A = XarchArg;
+ }
+
+ // Sob. These is strictly gcc compatible for the time being. Apple
+ // gcc translates options twice, which means that self-expanding
+ // options add duplicates.
+ switch ((options::ID) A->getOption().getID()) {
+ default:
+ DAL->append(A);
+ break;
+
+ case options::OPT_mkernel:
+ case options::OPT_fapple_kext:
+ DAL->append(A);
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
+ break;
+
+ case options::OPT_dependency_file:
+ DAL->append(DAL->MakeSeparateArg(A, Opts.getOption(options::OPT_MF),
+ A->getValue(Args)));
+ break;
+
+ case options::OPT_gfull:
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag)));
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols)));
+ break;
+
+ case options::OPT_gused:
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_g_Flag)));
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_feliminate_unused_debug_symbols)));
+ break;
+
+ case options::OPT_fterminated_vtables:
+ case options::OPT_findirect_virtual_calls:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_fapple_kext)));
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_static)));
+ break;
+
+ case options::OPT_shared:
+ DAL->append(DAL->MakeFlagArg(A, Opts.getOption(options::OPT_dynamiclib)));
+ break;
+
+ case options::OPT_fconstant_cfstrings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mconstant_cfstrings)));
+ break;
+
+ case options::OPT_fno_constant_cfstrings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mno_constant_cfstrings)));
+ break;
+
+ case options::OPT_Wnonportable_cfstrings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mwarn_nonportable_cfstrings)));
+ break;
+
+ case options::OPT_Wno_nonportable_cfstrings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings)));
+ break;
+
+ case options::OPT_fpascal_strings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mpascal_strings)));
+ break;
+
+ case options::OPT_fno_pascal_strings:
+ DAL->append(DAL->MakeFlagArg(A,
+ Opts.getOption(options::OPT_mno_pascal_strings)));
+ break;
+ }
+ }
+
+ if (getTriple().getArch() == llvm::Triple::x86 ||
+ getTriple().getArch() == llvm::Triple::x86_64)
+ if (!Args.hasArgNoClaim(options::OPT_mtune_EQ))
+ DAL->append(DAL->MakeJoinedArg(0, Opts.getOption(options::OPT_mtune_EQ),
+ "core2"));
+
+ // Add the arch options based on the particular spelling of -arch, to match
+ // how the driver driver works.
+ if (BoundArch) {
+ llvm::StringRef Name = BoundArch;
+ const Option *MCpu = Opts.getOption(options::OPT_mcpu_EQ);
+ const Option *MArch = Opts.getOption(options::OPT_march_EQ);
+
+ // This code must be kept in sync with LLVM's getArchTypeForDarwinArch,
+ // which defines the list of which architectures we accept.
+ if (Name == "ppc")
+ ;
+ else if (Name == "ppc601")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "601"));
+ else if (Name == "ppc603")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "603"));
+ else if (Name == "ppc604")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "604"));
+ else if (Name == "ppc604e")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "604e"));
+ else if (Name == "ppc750")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "750"));
+ else if (Name == "ppc7400")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "7400"));
+ else if (Name == "ppc7450")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "7450"));
+ else if (Name == "ppc970")
+ DAL->append(DAL->MakeJoinedArg(0, MCpu, "970"));
+
+ else if (Name == "ppc64")
+ DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64)));
+
+ else if (Name == "i386")
+ ;
+ else if (Name == "i486")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "i486"));
+ else if (Name == "i586")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "i586"));
+ else if (Name == "i686")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "i686"));
+ else if (Name == "pentium")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium"));
+ else if (Name == "pentium2")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2"));
+ else if (Name == "pentpro")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "pentiumpro"));
+ else if (Name == "pentIIm3")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "pentium2"));
+
+ else if (Name == "x86_64")
+ DAL->append(DAL->MakeFlagArg(0, Opts.getOption(options::OPT_m64)));
+
+ else if (Name == "arm")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t"));
+ else if (Name == "armv4t")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "armv4t"));
+ else if (Name == "armv5")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "armv5tej"));
+ else if (Name == "xscale")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "xscale"));
+ else if (Name == "armv6")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "armv6k"));
+ else if (Name == "armv7")
+ DAL->append(DAL->MakeJoinedArg(0, MArch, "armv7a"));
+
+ else
+ llvm_unreachable("invalid Darwin arch");
+ }
+
+ return DAL;
+}
+
+bool Darwin::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+bool Darwin::UseDwarfDebugFlags() const {
+ if (const char *S = ::getenv("RC_DEBUG_OPTIONS"))
+ return S[0] != '\0';
+ return false;
+}
+
+const char *Darwin::GetDefaultRelocationModel() const {
+ return "pic";
+}
+
+const char *Darwin::GetForcedPicModel() const {
+ if (getArchName() == "x86_64")
+ return "pic";
+ return 0;
+}
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+
+Generic_GCC::Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
+ : ToolChain(Host, Triple) {
+ getProgramPaths().push_back(getDriver().Dir);
+}
+
+Generic_GCC::~Generic_GCC() {
+ // Free tool implementations.
+ for (llvm::DenseMap<unsigned, Tool*>::iterator
+ it = Tools.begin(), ie = Tools.end(); it != ie; ++it)
+ delete it->second;
+}
+
+Tool &Generic_GCC::SelectTool(const Compilation &C,
+ const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::InputClass:
+ case Action::BindArchClass:
+ assert(0 && "Invalid tool kind.");
+ case Action::PreprocessJobClass:
+ T = new tools::gcc::Preprocess(*this); break;
+ case Action::PrecompileJobClass:
+ T = new tools::gcc::Precompile(*this); break;
+ case Action::AnalyzeJobClass:
+ T = new tools::Clang(*this); break;
+ case Action::CompileJobClass:
+ T = new tools::gcc::Compile(*this); break;
+ case Action::AssembleJobClass:
+ T = new tools::gcc::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::gcc::Link(*this); break;
+
+ // This is a bit ungeneric, but the only platform using a driver
+ // driver is Darwin.
+ case Action::LipoJobClass:
+ T = new tools::darwin::Lipo(*this); break;
+ }
+ }
+
+ return *T;
+}
+
+bool Generic_GCC::IsUnwindTablesDefault() const {
+ // FIXME: Gross; we should probably have some separate target
+ // definition, possibly even reusing the one in clang.
+ return getArchName() == "x86_64";
+}
+
+const char *Generic_GCC::GetDefaultRelocationModel() const {
+ return "static";
+}
+
+const char *Generic_GCC::GetForcedPicModel() const {
+ return 0;
+}
+
+DerivedArgList *Generic_GCC::TranslateArgs(InputArgList &Args,
+ const char *BoundArch) const {
+ return new DerivedArgList(Args, true);
+}
+
+/// OpenBSD - OpenBSD tool chain which can call as(1) and ld(1) directly.
+
+OpenBSD::OpenBSD(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+}
+
+Tool &OpenBSD::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::openbsd::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::openbsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// FreeBSD - FreeBSD tool chain which can call as(1) and ld(1) directly.
+
+FreeBSD::FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32)
+ : Generic_GCC(Host, Triple) {
+ if (Lib32) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib32");
+ getFilePaths().push_back("/usr/lib32");
+ } else {
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ }
+}
+
+Tool &FreeBSD::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::freebsd::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::freebsd::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+/// AuroraUX - AuroraUX tool chain which can call as(1) and ld(1) directly.
+
+AuroraUX::AuroraUX(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/sfw/lib");
+ getFilePaths().push_back("/opt/gcc4/lib");
+ getFilePaths().push_back("/opt/gcc4/lib/gcc/i386-pc-solaris2.11/4.2.4");
+
+}
+
+Tool &AuroraUX::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::auroraux::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::auroraux::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
+
+
+/// Linux toolchain (very bare-bones at the moment).
+
+Linux::Linux(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+ getFilePaths().push_back(getDriver().Dir + "/../lib/clang/1.0/");
+ getFilePaths().push_back("/lib/");
+ getFilePaths().push_back("/usr/lib/");
+
+ // Depending on the Linux distribution, any combination of lib{,32,64} is
+ // possible. E.g. Debian uses lib and lib32 for mixed i386/x86-64 systems,
+ // openSUSE uses lib and lib64 for the same purpose.
+ getFilePaths().push_back("/lib32/");
+ getFilePaths().push_back("/usr/lib32/");
+ getFilePaths().push_back("/lib64/");
+ getFilePaths().push_back("/usr/lib64/");
+
+ // FIXME: Figure out some way to get gcc's libdir
+ // (e.g. /usr/lib/gcc/i486-linux-gnu/4.3/ for Ubuntu 32-bit); we need
+ // crtbegin.o/crtend.o/etc., and want static versions of various
+ // libraries. If we had our own crtbegin.o/crtend.o/etc, we could probably
+ // get away with using shared versions in /usr/lib, though.
+ // We could fall back to the approach we used for includes (a massive
+ // list), but that's messy at best.
+}
+
+/// DragonFly - DragonFly tool chain which can call as(1) and ld(1) directly.
+
+DragonFly::DragonFly(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {
+
+ // Path mangling to find libexec
+ getProgramPaths().push_back(getDriver().Dir);
+
+ getFilePaths().push_back(getDriver().Dir + "/../lib");
+ getFilePaths().push_back("/usr/lib");
+ getFilePaths().push_back("/usr/lib/gcc41");
+}
+
+Tool &DragonFly::SelectTool(const Compilation &C, const JobAction &JA) const {
+ Action::ActionClass Key;
+ if (getDriver().ShouldUseClangCompiler(C, JA, getTriple()))
+ Key = Action::AnalyzeJobClass;
+ else
+ Key = JA.getKind();
+
+ Tool *&T = Tools[Key];
+ if (!T) {
+ switch (Key) {
+ case Action::AssembleJobClass:
+ T = new tools::dragonfly::Assemble(*this); break;
+ case Action::LinkJobClass:
+ T = new tools::dragonfly::Link(*this); break;
+ default:
+ T = &Generic_GCC::SelectTool(C, JA);
+ }
+ }
+
+ return *T;
+}
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
new file mode 100644
index 0000000..fbb1136
--- /dev/null
+++ b/lib/Driver/ToolChains.h
@@ -0,0 +1,272 @@
+//===--- ToolChains.h - ToolChain Implementations ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_TOOLCHAINS_H_
+#define CLANG_LIB_DRIVER_TOOLCHAINS_H_
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/ToolChain.h"
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Support/Compiler.h"
+
+#include "Tools.h"
+
+namespace clang {
+namespace driver {
+namespace toolchains {
+
+/// Generic_GCC - A tool chain using the 'gcc' command to perform
+/// all subcommands; this relies on gcc translating the majority of
+/// command line options.
+class VISIBILITY_HIDDEN Generic_GCC : public ToolChain {
+protected:
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+public:
+ Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple);
+ ~Generic_GCC();
+
+ virtual DerivedArgList *TranslateArgs(InputArgList &Args,
+ const char *BoundArch) const;
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+
+ virtual bool IsUnwindTablesDefault() const;
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+};
+
+/// Darwin - The base Darwin tool chain.
+class VISIBILITY_HIDDEN Darwin : public ToolChain {
+ mutable llvm::DenseMap<unsigned, Tool*> Tools;
+
+ /// Whether the information on the target has been initialized.
+ //
+ // FIXME: This should be eliminated. What we want to do is make this part of
+ // the "default target for arguments" selection process, once we get out of
+ // the argument translation business.
+ mutable bool TargetInitialized;
+
+ /// Whether we are targetting iPhoneOS target.
+ mutable bool TargetIsIPhoneOS;
+
+ /// The OS version we are targetting.
+ mutable unsigned TargetVersion[3];
+
+ /// The default macosx-version-min of this tool chain; empty until
+ /// initialized.
+ std::string MacosxVersionMin;
+
+public:
+ Darwin(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&DarwinVersion)[3]);
+ ~Darwin();
+
+ /// @name Darwin Specific Toolchain API
+ /// {
+
+ // FIXME: Eliminate these ...Target functions and derive separate tool chains
+ // for these targets and put version in constructor.
+ void setTarget(bool isIPhoneOS, unsigned Major, unsigned Minor,
+ unsigned Micro) const {
+ // FIXME: For now, allow reinitialization as long as values don't
+ // change. This will go away when we move away from argument translation.
+ if (TargetInitialized && TargetIsIPhoneOS == isIPhoneOS &&
+ TargetVersion[0] == Major && TargetVersion[1] == Minor &&
+ TargetVersion[2] == Micro)
+ return;
+
+ assert(!TargetInitialized && "Target already initialized!");
+ TargetInitialized = true;
+ TargetIsIPhoneOS = isIPhoneOS;
+ TargetVersion[0] = Major;
+ TargetVersion[1] = Minor;
+ TargetVersion[2] = Micro;
+ }
+
+ bool isTargetIPhoneOS() const {
+ assert(TargetInitialized && "Target not initialized!");
+ return TargetIsIPhoneOS;
+ }
+
+ void getTargetVersion(unsigned (&Res)[3]) const {
+ assert(TargetInitialized && "Target not initialized!");
+ Res[0] = TargetVersion[0];
+ Res[1] = TargetVersion[1];
+ Res[2] = TargetVersion[2];
+ }
+
+ /// getDarwinArchName - Get the "Darwin" arch name for a particular compiler
+ /// invocation. For example, Darwin treats different ARM variations as
+ /// distinct architectures.
+ llvm::StringRef getDarwinArchName(const ArgList &Args) const;
+
+ static bool isVersionLT(unsigned (&A)[3], unsigned (&B)[3]) {
+ for (unsigned i=0; i < 3; ++i) {
+ if (A[i] > B[i]) return false;
+ if (A[i] < B[i]) return true;
+ }
+ return false;
+ }
+
+ bool isIPhoneOSVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
+ assert(isTargetIPhoneOS() && "Unexpected call for OS X target!");
+ unsigned B[3] = { V0, V1, V2 };
+ return isVersionLT(TargetVersion, B);
+ }
+
+ bool isMacosxVersionLT(unsigned V0, unsigned V1=0, unsigned V2=0) const {
+ assert(!isTargetIPhoneOS() && "Unexpected call for iPhoneOS target!");
+ unsigned B[3] = { V0, V1, V2 };
+ return isVersionLT(TargetVersion, B);
+ }
+
+ /// AddLinkSearchPathArgs - Add the linker search paths to \arg CmdArgs.
+ ///
+ /// \param Args - The input argument list.
+ /// \param CmdArgs [out] - The command argument list to append the paths
+ /// (prefixed by -L) to.
+ virtual void AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const = 0;
+
+ /// AddLinkRuntimeLibArgs - Add the linker arguments to link the compiler
+ /// runtime library.
+ virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const = 0;
+
+ /// }
+ /// @name ToolChain Implementation
+ /// {
+
+ virtual DerivedArgList *TranslateArgs(InputArgList &Args,
+ const char *BoundArch) const;
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+
+ virtual bool IsBlocksDefault() const {
+ // Blocks default to on for OS X 10.6 and iPhoneOS 3.0 and beyond.
+ if (isTargetIPhoneOS())
+ return !isIPhoneOSVersionLT(3);
+ else
+ return !isMacosxVersionLT(10, 6);
+ }
+ virtual bool IsObjCNonFragileABIDefault() const {
+ // Non-fragile ABI default to on for iPhoneOS and x86-64.
+ return isTargetIPhoneOS() || getTriple().getArch() == llvm::Triple::x86_64;
+ }
+ virtual bool IsObjCLegacyDispatchDefault() const {
+ // This is only used with the non-fragile ABI.
+ return (getTriple().getArch() == llvm::Triple::arm ||
+ getTriple().getArch() == llvm::Triple::thumb);
+ }
+ virtual bool IsUnwindTablesDefault() const;
+ virtual unsigned GetDefaultStackProtectorLevel() const {
+ // Stack protectors default to on for 10.6 and beyond.
+ return !isTargetIPhoneOS() && !isMacosxVersionLT(10, 6);
+ }
+ virtual const char *GetDefaultRelocationModel() const;
+ virtual const char *GetForcedPicModel() const;
+
+ virtual bool UseDwarfDebugFlags() const;
+
+ /// }
+};
+
+/// DarwinClang - The Darwin toolchain used by Clang.
+class VISIBILITY_HIDDEN DarwinClang : public Darwin {
+public:
+ DarwinClang(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&DarwinVersion)[3]);
+
+ /// @name Darwin ToolChain Implementation
+ /// {
+
+ virtual void AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ /// }
+};
+
+/// DarwinGCC - The Darwin toolchain used by GCC.
+class VISIBILITY_HIDDEN DarwinGCC : public Darwin {
+ /// GCC version to use.
+ unsigned GCCVersion[3];
+
+ /// The directory suffix for this tool chain.
+ std::string ToolChainDir;
+
+public:
+ DarwinGCC(const HostInfo &Host, const llvm::Triple& Triple,
+ const unsigned (&DarwinVersion)[3],
+ const unsigned (&GCCVersion)[3]);
+
+ /// @name Darwin ToolChain Implementation
+ /// {
+
+ virtual void AddLinkSearchPathArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const;
+
+ /// }
+};
+
+/// Darwin_Generic_GCC - Generic Darwin tool chain using gcc.
+class VISIBILITY_HIDDEN Darwin_Generic_GCC : public Generic_GCC {
+public:
+ Darwin_Generic_GCC(const HostInfo &Host, const llvm::Triple& Triple)
+ : Generic_GCC(Host, Triple) {}
+
+ virtual const char *GetDefaultRelocationModel() const { return "pic"; }
+};
+
+class VISIBILITY_HIDDEN AuroraUX : public Generic_GCC {
+public:
+ AuroraUX(const HostInfo &Host, const llvm::Triple& Triple);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+};
+
+class VISIBILITY_HIDDEN OpenBSD : public Generic_GCC {
+public:
+ OpenBSD(const HostInfo &Host, const llvm::Triple& Triple);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+};
+
+class VISIBILITY_HIDDEN FreeBSD : public Generic_GCC {
+public:
+ FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+};
+
+class VISIBILITY_HIDDEN DragonFly : public Generic_GCC {
+public:
+ DragonFly(const HostInfo &Host, const llvm::Triple& Triple);
+
+ virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const;
+};
+
+class VISIBILITY_HIDDEN Linux : public Generic_GCC {
+public:
+ Linux(const HostInfo &Host, const llvm::Triple& Triple);
+};
+
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
new file mode 100644
index 0000000..2aa7116
--- /dev/null
+++ b/lib/Driver/Tools.cpp
@@ -0,0 +1,2818 @@
+//===--- Tools.cpp - Tools Implementations ------------------------------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Tools.h"
+
+#include "clang/Driver/Action.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Job.h"
+#include "clang/Driver/HostInfo.h"
+#include "clang/Driver/Option.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/ToolChain.h"
+#include "clang/Driver/Util.h"
+
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Host.h"
+#include "llvm/System/Process.h"
+
+#include "InputInfo.h"
+#include "ToolChains.h"
+
+using namespace clang::driver;
+using namespace clang::driver::tools;
+
+/// CheckPreprocessingOptions - Perform some validation of preprocessing
+/// arguments that is shared with gcc.
+static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) {
+ if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC))
+ if (!Args.hasArg(options::OPT_E))
+ D.Diag(clang::diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-E";
+}
+
+/// CheckCodeGenerationOptions - Perform some validation of code generation
+/// arguments that is shared with gcc.
+static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) {
+ // In gcc, only ARM checks this, but it seems reasonable to check universally.
+ if (Args.hasArg(options::OPT_static))
+ if (const Arg *A = Args.getLastArg(options::OPT_dynamic,
+ options::OPT_mdynamic_no_pic))
+ D.Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-static";
+}
+
+void Clang::AddPreprocessingOptions(const Driver &D,
+ const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfo &Output,
+ const InputInfoList &Inputs) const {
+ Arg *A;
+
+ CheckPreprocessingOptions(D, Args);
+
+ Args.AddLastArg(CmdArgs, options::OPT_C);
+ Args.AddLastArg(CmdArgs, options::OPT_CC);
+
+ // Handle dependency file generation.
+ if ((A = Args.getLastArg(options::OPT_M)) ||
+ (A = Args.getLastArg(options::OPT_MM)) ||
+ (A = Args.getLastArg(options::OPT_MD)) ||
+ (A = Args.getLastArg(options::OPT_MMD))) {
+ // Determine the output location.
+ const char *DepFile;
+ if (Output.getType() == types::TY_Dependencies) {
+ if (Output.isPipe())
+ DepFile = "-";
+ else
+ DepFile = Output.getFilename();
+ } else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
+ DepFile = MF->getValue(Args);
+ } else if (A->getOption().matches(options::OPT_M) ||
+ A->getOption().matches(options::OPT_MM)) {
+ DepFile = "-";
+ } else {
+ DepFile = darwin::CC1::getDependencyFileName(Args, Inputs);
+ }
+ CmdArgs.push_back("-dependency-file");
+ CmdArgs.push_back(DepFile);
+
+ // Add an -MT option if the user didn't specify their own.
+ //
+ // FIXME: This should use -MQ, when we support it.
+ if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) {
+ const char *DepTarget;
+
+ // If user provided -o, that is the dependency target, except
+ // when we are only generating a dependency file.
+ Arg *OutputOpt = Args.getLastArg(options::OPT_o);
+ if (OutputOpt && Output.getType() != types::TY_Dependencies) {
+ DepTarget = OutputOpt->getValue(Args);
+ } else {
+ // Otherwise derive from the base input.
+ //
+ // FIXME: This should use the computed output file location.
+ llvm::sys::Path P(Inputs[0].getBaseInput());
+
+ P.eraseSuffix();
+ P.appendSuffix("o");
+ DepTarget = Args.MakeArgString(P.getLast());
+ }
+
+ CmdArgs.push_back("-MT");
+ CmdArgs.push_back(DepTarget);
+ }
+
+ if (A->getOption().matches(options::OPT_M) ||
+ A->getOption().matches(options::OPT_MD))
+ CmdArgs.push_back("-sys-header-deps");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_MP);
+ Args.AddAllArgs(CmdArgs, options::OPT_MT);
+
+ // Add -i* options, and automatically translate to
+ // -include-pch/-include-pth for transparent PCH support. It's
+ // wonky, but we include looking for .gch so we can support seamless
+ // replacement into a build system already set up to be generating
+ // .gch files.
+ for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = it;
+
+ if (A->getOption().matches(options::OPT_include)) {
+ // Use PCH if the user requested it, except for C++ (for now).
+ bool UsePCH = D.CCCUsePCH;
+ if (types::isCXX(Inputs[0].getType()))
+ UsePCH = false;
+
+ bool FoundPTH = false;
+ bool FoundPCH = false;
+ llvm::sys::Path P(A->getValue(Args));
+ if (UsePCH) {
+ P.appendSuffix("pch");
+ if (P.exists())
+ FoundPCH = true;
+ else
+ P.eraseSuffix();
+ }
+
+ if (!FoundPCH) {
+ P.appendSuffix("pth");
+ if (P.exists())
+ FoundPTH = true;
+ else
+ P.eraseSuffix();
+ }
+
+ if (!FoundPCH && !FoundPTH) {
+ P.appendSuffix("gch");
+ if (P.exists()) {
+ FoundPCH = UsePCH;
+ FoundPTH = !UsePCH;
+ }
+ else
+ P.eraseSuffix();
+ }
+
+ if (FoundPCH || FoundPTH) {
+ A->claim();
+ if (UsePCH)
+ CmdArgs.push_back("-include-pch");
+ else
+ CmdArgs.push_back("-include-pth");
+ CmdArgs.push_back(Args.MakeArgString(P.str()));
+ continue;
+ }
+ }
+
+ // Not translated, render as usual.
+ A->claim();
+ A->render(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
+ Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
+
+ // Add -Wp, and -Xassembler if using the preprocessor.
+
+ // FIXME: There is a very unfortunate problem here, some troubled
+ // souls abuse -Wp, to pass preprocessor options in gcc syntax. To
+ // really support that we would have to parse and then translate
+ // those options. :(
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
+ options::OPT_Xpreprocessor);
+
+ // -I- is a deprecated GCC feature, reject it.
+ if (Arg *A = Args.getLastArg(options::OPT_I_))
+ D.Diag(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
+}
+
+/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting.
+//
+// FIXME: tblgen this.
+static const char *getARMTargetCPU(const ArgList &Args) {
+ // FIXME: Warn on inconsistent use of -mcpu and -march.
+
+ // If we have -mcpu=, use that.
+ if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
+ return A->getValue(Args);
+
+ // Otherwise, if we have -march= choose the base CPU for that arch.
+ if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ llvm::StringRef MArch = A->getValue(Args);
+
+ if (MArch == "armv2" || MArch == "armv2a")
+ return "arm2";
+ if (MArch == "armv3")
+ return "arm6";
+ if (MArch == "armv3m")
+ return "arm7m";
+ if (MArch == "armv4" || MArch == "armv4t")
+ return "arm7tdmi";
+ if (MArch == "armv5" || MArch == "armv5t")
+ return "arm10tdmi";
+ if (MArch == "armv5e" || MArch == "armv5te")
+ return "arm1026ejs";
+ if (MArch == "armv5tej")
+ return "arm926ej-s";
+ if (MArch == "armv6" || MArch == "armv6k")
+ return "arm1136jf-s";
+ if (MArch == "armv6j")
+ return "arm1136j-s";
+ if (MArch == "armv6z" || MArch == "armv6zk")
+ return "arm1176jzf-s";
+ if (MArch == "armv6t2")
+ return "arm1156t2-s";
+ if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
+ return "cortex-a8";
+ if (MArch == "armv7r" || MArch == "armv7-r")
+ return "cortex-r4";
+ if (MArch == "armv7m" || MArch == "armv7-m")
+ return "cortex-m3";
+ if (MArch == "ep9312")
+ return "ep9312";
+ if (MArch == "iwmmxt")
+ return "iwmmxt";
+ if (MArch == "xscale")
+ return "xscale";
+ }
+
+ // Otherwise return the most base CPU LLVM supports.
+ return "arm7tdmi";
+}
+
+/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
+/// CPU.
+//
+// FIXME: This is redundant with -mcpu, why does LLVM use this.
+// FIXME: tblgen this, or kill it!
+static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) {
+ if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" ||
+ CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" ||
+ CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" ||
+ CPU == "arm940t" || CPU == "ep9312")
+ return "v4t";
+
+ if (CPU == "arm10tdmi" || CPU == "arm1020t")
+ return "v5";
+
+ if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" ||
+ CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" ||
+ CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" ||
+ CPU == "iwmmxt")
+ return "v5e";
+
+ if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" ||
+ CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore")
+ return "v6";
+
+ if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s")
+ return "v6t2";
+
+ if (CPU == "cortex-a8" || CPU == "cortex-a9")
+ return "v7";
+
+ return "";
+}
+
+/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which
+/// may depend on command line arguments.
+static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) {
+ switch (TC.getTriple().getArch()) {
+ default:
+ return TC.getTripleString();
+
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb: {
+ // FIXME: Factor into subclasses.
+ llvm::Triple Triple = TC.getTriple();
+
+ // Thumb2 is the default for V7 on Darwin.
+ //
+ // FIXME: Thumb should just be another -target-feaure, not in the triple.
+ llvm::StringRef Suffix = getLLVMArchSuffixForARM(getARMTargetCPU(Args));
+ bool ThumbDefault =
+ (Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin);
+ std::string ArchName = "arm";
+ if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))
+ ArchName = "thumb";
+ Triple.setArchName(ArchName + Suffix.str());
+
+ return Triple.getTriple();
+ }
+ }
+}
+
+// FIXME: Move to target hook.
+static bool isSignedCharDefault(const llvm::Triple &Triple) {
+ switch (Triple.getArch()) {
+ default:
+ return true;
+
+ case llvm::Triple::ppc:
+ case llvm::Triple::ppc64:
+ if (Triple.getOS() == llvm::Triple::Darwin)
+ return true;
+ return false;
+
+ case llvm::Triple::systemz:
+ return false;
+ }
+}
+
+void Clang::AddARMTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // Select the ABI to use.
+ //
+ // FIXME: Support -meabi.
+ const char *ABIName = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
+ ABIName = A->getValue(Args);
+ } else {
+ // Select the default based on the platform.
+ switch (getToolChain().getTriple().getOS()) {
+ // FIXME: Is this right for non-Darwin and non-Linux?
+ default:
+ ABIName = "aapcs";
+ break;
+
+ case llvm::Triple::Darwin:
+ ABIName = "apcs-gnu";
+ break;
+
+ case llvm::Triple::Linux:
+ ABIName = "aapcs-linux";
+ break;
+ }
+ }
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName);
+
+ // Set the CPU based on -march= and -mcpu=.
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(getARMTargetCPU(Args));
+
+ // Select the float ABI as determined by -msoft-float, -mhard-float, and
+ // -mfloat-abi=.
+ llvm::StringRef FloatABI;
+ if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
+ options::OPT_mhard_float,
+ options::OPT_mfloat_abi_EQ)) {
+ if (A->getOption().matches(options::OPT_msoft_float))
+ FloatABI = "soft";
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ FloatABI = "hard";
+ else {
+ FloatABI = A->getValue(Args);
+ if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
+ D.Diag(clang::diag::err_drv_invalid_mfloat_abi)
+ << A->getAsString(Args);
+ FloatABI = "soft";
+ }
+ }
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (FloatABI.empty()) {
+ // FIXME: This is wrong for non-Darwin, we don't have a mechanism yet for
+ // distinguishing things like linux-eabi vs linux-elf.
+ switch (getToolChain().getTriple().getOS()) {
+ case llvm::Triple::Darwin: {
+ // Darwin defaults to "softfp" for v6 and v7.
+ //
+ // FIXME: Factor out an ARM class so we can cache the arch somewhere.
+ llvm::StringRef ArchName = getLLVMArchSuffixForARM(getARMTargetCPU(Args));
+ if (ArchName.startswith("v6") || ArchName.startswith("v7"))
+ FloatABI = "softfp";
+ else
+ FloatABI = "soft";
+ break;
+ }
+
+ default:
+ // Assume "soft", but warn the user we are guessing.
+ FloatABI = "soft";
+ D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft";
+ break;
+ }
+ }
+
+ if (FloatABI == "soft") {
+ // Floating point operations and argument passing are soft.
+ //
+ // FIXME: This changes CPP defines, we need -target-soft-float.
+ CmdArgs.push_back("-msoft-float");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("soft");
+ } else if (FloatABI == "softfp") {
+ // Floating point operations are hard, but argument passing is soft.
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("soft");
+ } else {
+ // Floating point operations and argument passing are hard.
+ assert(FloatABI == "hard" && "Invalid float abi!");
+ CmdArgs.push_back("-mfloat-abi");
+ CmdArgs.push_back("hard");
+ }
+
+ // Set appropriate target features for floating point mode.
+ //
+ // FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
+ // yet (it uses the -mfloat-abi and -msoft-float options above), and it is
+ // stripped out by the ARM target.
+
+ // Use software floating point operations?
+ if (FloatABI == "soft") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float");
+ }
+
+ // Use software floating point argument passing?
+ if (FloatABI != "hard") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+soft-float-abi");
+ }
+
+ // Honor -mfpu=.
+ //
+ // FIXME: Centralize feature selection, defaulting shouldn't be also in the
+ // frontend target.
+ if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) {
+ llvm::StringRef FPU = A->getValue(Args);
+
+ // Set the target features based on the FPU.
+ if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
+ // Disable any default FPU support.
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-vfp2");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp2");
+ } else if (FPU == "vfp3") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp3");
+ } else if (FPU == "neon") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+neon");
+ } else
+ D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ }
+}
+
+void Clang::AddX86TargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ if (!Args.hasFlag(options::OPT_mred_zone,
+ options::OPT_mno_red_zone,
+ true) ||
+ Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_fapple_kext))
+ CmdArgs.push_back("-disable-red-zone");
+
+ if (Args.hasFlag(options::OPT_msoft_float,
+ options::OPT_mno_soft_float,
+ false))
+ CmdArgs.push_back("-no-implicit-float");
+
+ const char *CPUName = 0;
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ if (llvm::StringRef(A->getValue(Args)) == "native") {
+ // FIXME: Reject attempts to use -march=native unless the target matches
+ // the host.
+ //
+ // FIXME: We should also incorporate the detected target features for use
+ // with -native.
+ std::string CPU = llvm::sys::getHostCPUName();
+ if (!CPU.empty())
+ CPUName = Args.MakeArgString(CPU);
+ } else
+ CPUName = A->getValue(Args);
+ }
+
+ // Select the default CPU if none was given (or detection failed).
+ if (!CPUName) {
+ // FIXME: Need target hooks.
+ if (getToolChain().getOS().startswith("darwin")) {
+ if (getToolChain().getArchName() == "x86_64")
+ CPUName = "core2";
+ else if (getToolChain().getArchName() == "i386")
+ CPUName = "yonah";
+ } else {
+ if (getToolChain().getArchName() == "x86_64")
+ CPUName = "x86-64";
+ else if (getToolChain().getArchName() == "i386")
+ CPUName = "pentium4";
+ }
+ }
+
+ if (CPUName) {
+ CmdArgs.push_back("-target-cpu");
+ CmdArgs.push_back(CPUName);
+ }
+
+ for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ llvm::StringRef Name = it->getOption().getName();
+ it->claim();
+
+ // Skip over "-m".
+ assert(Name.startswith("-m") && "Invalid feature name.");
+ Name = Name.substr(2);
+
+ bool IsNegative = Name.startswith("no-");
+ if (IsNegative)
+ Name = Name.substr(3);
+
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
+ }
+}
+
+static bool needsExceptions(const ArgList &Args, types::ID InputType,
+ const llvm::Triple &Triple) {
+ if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
+ options::OPT_fno_exceptions)) {
+ if (A->getOption().matches(options::OPT_fexceptions))
+ return true;
+ else
+ return false;
+ }
+ switch (InputType) {
+ case types::TY_CXX: case types::TY_CXXHeader:
+ case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
+ case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
+ case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader:
+ return true;
+
+ case types::TY_ObjC: case types::TY_ObjCHeader:
+ case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader:
+ if (Args.hasArg(options::OPT_fobjc_nonfragile_abi))
+ return true;
+ if (Triple.getOS() != llvm::Triple::Darwin)
+ return false;
+ return (Triple.getDarwinMajorNumber() >= 9 &&
+ Triple.getArch() == llvm::Triple::x86_64);
+
+ default:
+ return false;
+ }
+}
+
+/// getEffectiveClangTriple - Get the "effective" target triple, which is the
+/// triple for the target but with the OS version potentially modified for
+/// Darwin's -mmacosx-version-min.
+static std::string getEffectiveClangTriple(const Driver &D,
+ const ToolChain &TC,
+ const ArgList &Args) {
+ llvm::Triple Triple(getLLVMTriple(TC, Args));
+
+ // Handle -mmacosx-version-min and -miphoneos-version-min.
+ if (Triple.getOS() != llvm::Triple::Darwin) {
+ // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on
+ // non-Darwin.
+ if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ,
+ options::OPT_miphoneos_version_min_EQ))
+ D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ } else {
+ const toolchains::Darwin &DarwinTC(
+ reinterpret_cast<const toolchains::Darwin&>(TC));
+ unsigned Version[3];
+ DarwinTC.getTargetVersion(Version);
+
+ // Mangle the target version into the OS triple component. For historical
+ // reasons that make little sense, the version passed here is the "darwin"
+ // version, which drops the 10 and offsets by 4. See inverse code when
+ // setting the OS version preprocessor define.
+ if (!DarwinTC.isTargetIPhoneOS()) {
+ Version[0] = Version[1] + 4;
+ Version[1] = Version[2];
+ Version[2] = 0;
+ } else {
+ // Use the environment to communicate that we are targetting iPhoneOS.
+ Triple.setEnvironmentName("iphoneos");
+ }
+
+ llvm::SmallString<16> Str;
+ llvm::raw_svector_ostream(Str) << "darwin" << Version[0]
+ << "." << Version[1] << "." << Version[2];
+ Triple.setOSName(Str.str());
+ }
+
+ return Triple.getTriple();
+}
+
+void Clang::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
+
+ // Invoke ourselves in -cc1 mode.
+ //
+ // FIXME: Implement custom jobs for internal actions.
+ CmdArgs.push_back("-cc1");
+
+ // Add the "effective" target triple.
+ CmdArgs.push_back("-triple");
+ std::string TripleStr = getEffectiveClangTriple(D, getToolChain(), Args);
+ CmdArgs.push_back(Args.MakeArgString(TripleStr));
+
+ // Select the appropriate action.
+ if (isa<AnalyzeJobAction>(JA)) {
+ assert(JA.getType() == types::TY_Plist && "Invalid output type.");
+ CmdArgs.push_back("-analyze");
+ } else if (isa<PreprocessJobAction>(JA)) {
+ if (Output.getType() == types::TY_Dependencies)
+ CmdArgs.push_back("-Eonly");
+ else
+ CmdArgs.push_back("-E");
+ } else if (isa<AssembleJobAction>(JA)) {
+ CmdArgs.push_back("-emit-obj");
+ } else if (isa<PrecompileJobAction>(JA)) {
+ // Use PCH if the user requested it, except for C++ (for now).
+ bool UsePCH = D.CCCUsePCH;
+ if (types::isCXX(Inputs[0].getType()))
+ UsePCH = false;
+
+ if (UsePCH)
+ CmdArgs.push_back("-emit-pch");
+ else
+ CmdArgs.push_back("-emit-pth");
+ } else {
+ assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool.");
+
+ if (JA.getType() == types::TY_Nothing) {
+ CmdArgs.push_back("-fsyntax-only");
+ } else if (JA.getType() == types::TY_LLVMAsm) {
+ CmdArgs.push_back("-emit-llvm");
+ } else if (JA.getType() == types::TY_LLVMBC) {
+ CmdArgs.push_back("-emit-llvm-bc");
+ } else if (JA.getType() == types::TY_PP_Asm) {
+ CmdArgs.push_back("-S");
+ } else if (JA.getType() == types::TY_AST) {
+ CmdArgs.push_back("-emit-pch");
+ }
+ }
+
+ // The make clang go fast button.
+ CmdArgs.push_back("-disable-free");
+
+ // Set the main file name, so that debug info works even with
+ // -save-temps.
+ CmdArgs.push_back("-main-file-name");
+ CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
+
+ // Some flags which affect the language (via preprocessor
+ // defines). See darwin::CC1::AddCPPArgs.
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-static-define");
+
+ if (isa<AnalyzeJobAction>(JA)) {
+ // Enable region store model by default.
+ CmdArgs.push_back("-analyzer-store=region");
+
+ // Treat blocks as analysis entry points.
+ CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks");
+
+ // Add default argument set.
+ if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
+ CmdArgs.push_back("-analyzer-check-dead-stores");
+ CmdArgs.push_back("-analyzer-check-security-syntactic");
+ CmdArgs.push_back("-analyzer-check-objc-mem");
+ CmdArgs.push_back("-analyzer-eagerly-assume");
+ CmdArgs.push_back("-analyzer-check-objc-methodsigs");
+ // Do not enable the missing -dealloc check.
+ // '-analyzer-check-objc-missing-dealloc',
+ CmdArgs.push_back("-analyzer-check-objc-unused-ivars");
+ }
+
+ // Set the output format. The default is plist, for (lame) historical
+ // reasons.
+ CmdArgs.push_back("-analyzer-output");
+ if (Arg *A = Args.getLastArg(options::OPT__analyzer_output))
+ CmdArgs.push_back(A->getValue(Args));
+ else
+ CmdArgs.push_back("plist");
+
+ // Add -Xanalyzer arguments when running as analyzer.
+ Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer);
+ }
+
+ CheckCodeGenerationOptions(D, Args);
+
+ // Perform argument translation for LLVM backend. This
+ // takes some care in reconciling with llvm-gcc. The
+ // issue is that llvm-gcc translates these options based on
+ // the values in cc1, whereas we are processing based on
+ // the driver arguments.
+
+ // This comes from the default translation the driver + cc1
+ // would do to enable flag_pic.
+ //
+ // FIXME: Centralize this code.
+ bool PICEnabled = (Args.hasArg(options::OPT_fPIC) ||
+ Args.hasArg(options::OPT_fpic) ||
+ Args.hasArg(options::OPT_fPIE) ||
+ Args.hasArg(options::OPT_fpie));
+ bool PICDisabled = (Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_static));
+ const char *Model = getToolChain().GetForcedPicModel();
+ if (!Model) {
+ if (Args.hasArg(options::OPT_mdynamic_no_pic))
+ Model = "dynamic-no-pic";
+ else if (PICDisabled)
+ Model = "static";
+ else if (PICEnabled)
+ Model = "pic";
+ else
+ Model = getToolChain().GetDefaultRelocationModel();
+ }
+ if (llvm::StringRef(Model) != "pic") {
+ CmdArgs.push_back("-mrelocation-model");
+ CmdArgs.push_back(Model);
+ }
+
+ // Infer the __PIC__ value.
+ //
+ // FIXME: This isn't quite right on Darwin, which always sets
+ // __PIC__=2.
+ if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) {
+ CmdArgs.push_back("-pic-level");
+ CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1");
+ }
+ if (!Args.hasFlag(options::OPT_fmerge_all_constants,
+ options::OPT_fno_merge_all_constants))
+ CmdArgs.push_back("-no-merge-all-constants");
+
+ // LLVM Code Generator Options.
+
+ // FIXME: Set --enable-unsafe-fp-math.
+ if (Args.hasFlag(options::OPT_fno_omit_frame_pointer,
+ options::OPT_fomit_frame_pointer))
+ CmdArgs.push_back("-mdisable-fp-elim");
+ if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
+ options::OPT_fno_zero_initialized_in_bss))
+ CmdArgs.push_back("-mno-zero-initialized-in-bss");
+ if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm))
+ CmdArgs.push_back("-masm-verbose");
+ if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
+ CmdArgs.push_back("-mdebug-pass");
+ CmdArgs.push_back("Structure");
+ }
+ if (Args.hasArg(options::OPT_fdebug_pass_arguments)) {
+ CmdArgs.push_back("-mdebug-pass");
+ CmdArgs.push_back("Arguments");
+ }
+
+ // This is a coarse approximation of what llvm-gcc actually does, both
+ // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
+ // complicated ways.
+ bool AsynchronousUnwindTables =
+ Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
+ options::OPT_fno_asynchronous_unwind_tables,
+ getToolChain().IsUnwindTablesDefault() &&
+ !Args.hasArg(options::OPT_mkernel));
+ if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
+ AsynchronousUnwindTables))
+ CmdArgs.push_back("-munwind-tables");
+
+ if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
+ CmdArgs.push_back("-mlimit-float-precision");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // FIXME: Handle -mtune=.
+ (void) Args.hasArg(options::OPT_mtune_EQ);
+
+ if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
+ CmdArgs.push_back("-mcode-model");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Add target specific cpu and features flags.
+ switch(getToolChain().getTriple().getArch()) {
+ default:
+ break;
+
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ AddARMTargetArgs(Args, CmdArgs);
+ break;
+
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ AddX86TargetArgs(Args, CmdArgs);
+ break;
+ }
+
+ // -fno-math-errno is default.
+ if (Args.hasFlag(options::OPT_fmath_errno,
+ options::OPT_fno_math_errno,
+ false))
+ CmdArgs.push_back("-fmath-errno");
+
+ Arg *Unsupported;
+ if ((Unsupported = Args.getLastArg(options::OPT_MG)) ||
+ (Unsupported = Args.getLastArg(options::OPT_MQ)) ||
+ (Unsupported = Args.getLastArg(options::OPT_iframework)) ||
+ (Unsupported = Args.getLastArg(options::OPT_fshort_enums)))
+ D.Diag(clang::diag::err_drv_clang_unsupported)
+ << Unsupported->getOption().getName();
+
+ Args.AddAllArgs(CmdArgs, options::OPT_v);
+ Args.AddLastArg(CmdArgs, options::OPT_P);
+ Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
+
+ // Special case debug options to only pass -g to clang. This is
+ // wrong.
+ if (Args.hasArg(options::OPT_g_Group))
+ CmdArgs.push_back("-g");
+
+ Args.AddLastArg(CmdArgs, options::OPT_nostdinc);
+ Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
+
+ // Pass the path to compiler resource files.
+ CmdArgs.push_back("-resource-dir");
+ CmdArgs.push_back(D.ResourceDir.c_str());
+
+ // Add preprocessing options like -I, -D, etc. if we are using the
+ // preprocessor.
+ //
+ // FIXME: Support -fpreprocessed
+ types::ID InputType = Inputs[0].getType();
+ if (types::getPreprocessedType(InputType) != types::TY_INVALID)
+ AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs);
+
+ // Manually translate -O to -O2 and -O4 to -O3; let clang reject
+ // others.
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
+ if (A->getOption().matches(options::OPT_O4))
+ CmdArgs.push_back("-O3");
+ else if (A->getValue(Args)[0] == '\0')
+ CmdArgs.push_back("-O2");
+ else
+ A->render(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_pedantic);
+ Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+
+ // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
+ // (-ansi is equivalent to -std=c89).
+ //
+ // If a std is supplied, only add -trigraphs if it follows the
+ // option.
+ if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ if (Std->getOption().matches(options::OPT_ansi))
+ if (types::isCXX(InputType))
+ CmdArgs.push_back("-std=c++98");
+ else
+ CmdArgs.push_back("-std=c89");
+ else
+ Std->render(Args, CmdArgs);
+
+ if (Arg *A = Args.getLastArg(options::OPT_trigraphs))
+ if (A->getIndex() > Std->getIndex())
+ A->render(Args, CmdArgs);
+ } else {
+ // Honor -std-default.
+ //
+ // FIXME: Clang doesn't correctly handle -std= when the input language
+ // doesn't match. For the time being just ignore this for C++ inputs;
+ // eventually we want to do all the standard defaulting here instead of
+ // splitting it between the driver and clang -cc1.
+ if (!types::isCXX(InputType))
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) {
+ CmdArgs.push_back("-ftemplate-depth");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Args.hasArg(options::OPT__relocatable_pch))
+ CmdArgs.push_back("-relocatable-pch");
+
+ if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
+ CmdArgs.push_back("-fconstant-string-class");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
+ CmdArgs.push_back("-ftabstop");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Pass -fmessage-length=.
+ CmdArgs.push_back("-fmessage-length");
+ if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
+ CmdArgs.push_back(A->getValue(Args));
+ } else {
+ // If -fmessage-length=N was not specified, determine whether this is a
+ // terminal and, if so, implicitly define -fmessage-length appropriately.
+ unsigned N = llvm::sys::Process::StandardErrColumns();
+ CmdArgs.push_back(Args.MakeArgString(llvm::Twine(N)));
+ }
+
+ if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) {
+ CmdArgs.push_back("-fvisibility");
+ CmdArgs.push_back(A->getValue(Args));
+ }
+
+ // Forward -f (flag) options which we can pass directly.
+ Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior);
+ Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
+ Args.AddLastArg(CmdArgs, options::OPT_ffreestanding);
+ Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
+ Args.AddLastArg(CmdArgs, options::OPT_flax_vector_conversions);
+ Args.AddLastArg(CmdArgs, options::OPT_fno_caret_diagnostics);
+ Args.AddLastArg(CmdArgs, options::OPT_fno_show_column);
+ Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc_only);
+ Args.AddLastArg(CmdArgs, options::OPT_fobjc_gc);
+ Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
+ Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
+ Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
+ Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
+ Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
+
+ Args.AddLastArg(CmdArgs, options::OPT_pthread);
+
+ // -stack-protector=0 is default.
+ unsigned StackProtectorLevel = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
+ options::OPT_fstack_protector_all,
+ options::OPT_fstack_protector)) {
+ if (A->getOption().matches(options::OPT_fstack_protector))
+ StackProtectorLevel = 1;
+ else if (A->getOption().matches(options::OPT_fstack_protector_all))
+ StackProtectorLevel = 2;
+ } else
+ StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel();
+ if (StackProtectorLevel) {
+ CmdArgs.push_back("-stack-protector");
+ CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel)));
+ }
+
+ // Forward -f options with positive and negative forms; we translate
+ // these by hand.
+
+ // -fbuiltin is default.
+ if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin))
+ CmdArgs.push_back("-fno-builtin");
+
+ if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
+ options::OPT_fno_assume_sane_operator_new))
+ CmdArgs.push_back("-fno-assume-sane-operator-new");
+
+ // -fblocks=0 is default.
+ if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks,
+ getToolChain().IsBlocksDefault())) {
+ Args.AddLastArg(CmdArgs, options::OPT_fblock_introspection);
+ CmdArgs.push_back("-fblocks");
+ }
+
+ // -fexceptions=0 is default.
+ if (needsExceptions(Args, InputType, getToolChain().getTriple()))
+ CmdArgs.push_back("-fexceptions");
+
+ // -frtti is default.
+ if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti))
+ CmdArgs.push_back("-fno-rtti");
+
+ // -fsigned-char is default.
+ if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char,
+ isSignedCharDefault(getToolChain().getTriple())))
+ CmdArgs.push_back("-fno-signed-char");
+
+ // -fthreadsafe-static is default.
+ if (!Args.hasFlag(options::OPT_fthreadsafe_statics,
+ options::OPT_fno_threadsafe_statics))
+ CmdArgs.push_back("-fno-threadsafe-statics");
+
+ // -fms-extensions=0 is default.
+ if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
+ getToolChain().getTriple().getOS() == llvm::Triple::Win32))
+ CmdArgs.push_back("-fms-extensions");
+
+ // -fnext-runtime is default.
+ if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
+ getToolChain().getTriple().getOS() == llvm::Triple::Darwin))
+ CmdArgs.push_back("-fgnu-runtime");
+
+ // -fobjc-nonfragile-abi=0 is default.
+ if (types::isObjC(InputType)) {
+ if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) ||
+ getToolChain().IsObjCNonFragileABIDefault()) {
+ CmdArgs.push_back("-fobjc-nonfragile-abi");
+
+ // -fobjc-legacy-dispatch is only relevant with the nonfragile-abi, and
+ // defaults to off.
+ if (Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
+ options::OPT_fno_objc_legacy_dispatch,
+ getToolChain().IsObjCLegacyDispatchDefault()))
+ CmdArgs.push_back("-fobjc-legacy-dispatch");
+ }
+ }
+
+ if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
+ options::OPT_fno_assume_sane_operator_new))
+ CmdArgs.push_back("-fno-assume-sane-operator-new");
+
+ // -fshort-wchar default varies depending on platform; only
+ // pass if specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar)) {
+ if (A->getOption().matches(options::OPT_fshort_wchar))
+ CmdArgs.push_back("-fshort-wchar");
+ }
+
+ // -fno-pascal-strings is default, only pass non-default. If the tool chain
+ // happened to translate to -mpascal-strings, we want to back translate here.
+ //
+ // FIXME: This is gross; that translation should be pulled from the
+ // tool chain.
+ if (Args.hasFlag(options::OPT_fpascal_strings,
+ options::OPT_fno_pascal_strings,
+ false) ||
+ Args.hasFlag(options::OPT_mpascal_strings,
+ options::OPT_mno_pascal_strings,
+ false))
+ CmdArgs.push_back("-fpascal-strings");
+
+ // -fcommon is default, only pass non-default.
+ if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common))
+ CmdArgs.push_back("-fno-common");
+
+ // -fsigned-bitfields is default, and clang doesn't yet support
+ // --funsigned-bitfields.
+ if (!Args.hasFlag(options::OPT_fsigned_bitfields,
+ options::OPT_funsigned_bitfields))
+ D.Diag(clang::diag::warn_drv_clang_unsupported)
+ << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
+
+ // -fdiagnostics-fixit-info is default, only pass non-default.
+ if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info,
+ options::OPT_fno_diagnostics_fixit_info))
+ CmdArgs.push_back("-fno-diagnostics-fixit-info");
+
+ Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary);
+
+ // Enable -fdiagnostics-show-option by default.
+ if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
+ options::OPT_fno_diagnostics_show_option))
+ CmdArgs.push_back("-fdiagnostics-show-option");
+
+ // Color diagnostics are the default, unless the terminal doesn't support
+ // them.
+ if (Args.hasFlag(options::OPT_fcolor_diagnostics,
+ options::OPT_fno_color_diagnostics) &&
+ llvm::sys::Process::StandardErrHasColors())
+ CmdArgs.push_back("-fcolor-diagnostics");
+
+ if (!Args.hasFlag(options::OPT_fshow_source_location,
+ options::OPT_fno_show_source_location))
+ CmdArgs.push_back("-fno-show-source-location");
+
+ // -fdollars-in-identifiers default varies depending on platform and
+ // language; only pass if specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers,
+ options::OPT_fno_dollars_in_identifiers)) {
+ if (A->getOption().matches(options::OPT_fdollars_in_identifiers))
+ CmdArgs.push_back("-fdollars-in-identifiers");
+ else
+ CmdArgs.push_back("-fno-dollars-in-identifiers");
+ }
+
+ // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for
+ // practical purposes.
+ if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time,
+ options::OPT_fno_unit_at_a_time)) {
+ if (A->getOption().matches(options::OPT_fno_unit_at_a_time))
+ D.Diag(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args);
+ }
+
+ // Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
+ //
+ // FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.
+#if 0
+ if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin &&
+ (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb)) {
+ if (!Args.hasArg(options::OPT_fbuiltin_strcat))
+ CmdArgs.push_back("-fno-builtin-strcat");
+ if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
+ CmdArgs.push_back("-fno-builtin-strcpy");
+ }
+#endif
+
+ if (Arg *A = Args.getLastArg(options::OPT_traditional,
+ options::OPT_traditional_cpp))
+ D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+
+ Args.AddLastArg(CmdArgs, options::OPT_dM);
+ Args.AddLastArg(CmdArgs, options::OPT_dD);
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
+ Args.AddAllArgValues(CmdArgs, options::OPT_mllvm);
+
+ if (Output.getType() == types::TY_Dependencies) {
+ // Handled with other dependency code.
+ } else if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back(types::getTypeName(II.getType()));
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "clang"));
+
+ // Optionally embed the -cc1 level arguments into the debug info, for build
+ // analysis.
+ if (getToolChain().UseDwarfDebugFlags()) {
+ llvm::SmallString<256> Flags;
+ Flags += Exec;
+ for (unsigned i = 0, e = CmdArgs.size(); i != e; ++i) {
+ Flags += " ";
+ Flags += CmdArgs[i];
+ }
+ CmdArgs.push_back("-dwarf-debug-flags");
+ CmdArgs.push_back(Args.MakeArgString(Flags.str()));
+ }
+
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+
+ // Explicitly warn that these options are unsupported, even though
+ // we are allowing compilation to continue.
+ for (arg_iterator it = Args.filtered_begin(options::OPT_pg),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ it->claim();
+ D.Diag(clang::diag::warn_drv_clang_unsupported) << it->getAsString(Args);
+ }
+
+ // Claim some arguments which clang supports automatically.
+
+ // -fpch-preprocess is used with gcc to add a special marker in the
+ // -output to include the PCH file. Clang's PTH solution is
+ // -completely transparent, so we do not need to deal with it at
+ // -all.
+ Args.ClaimAllArgs(options::OPT_fpch_preprocess);
+
+ // Claim some arguments which clang doesn't support, but we don't
+ // care to warn the user about.
+ Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group);
+ Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group);
+}
+
+void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ for (ArgList::const_iterator
+ it = Args.begin(), ie = Args.end(); it != ie; ++it) {
+ Arg *A = *it;
+ if (A->getOption().hasForwardToGCC()) {
+ // It is unfortunate that we have to claim here, as this means
+ // we will basically never report anything interesting for
+ // platforms using a generic gcc, even if we are just using gcc
+ // to get to the assembler.
+ A->claim();
+ A->render(Args, CmdArgs);
+ }
+ }
+
+ RenderExtraToolArgs(JA, CmdArgs);
+
+ // If using a driver driver, force the arch.
+ const std::string &Arch = getToolChain().getArchName();
+ if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) {
+ CmdArgs.push_back("-arch");
+
+ // FIXME: Remove these special cases.
+ if (Arch == "powerpc")
+ CmdArgs.push_back("ppc");
+ else if (Arch == "powerpc64")
+ CmdArgs.push_back("ppc64");
+ else
+ CmdArgs.push_back(Args.MakeArgString(Arch));
+ }
+
+ // Try to force gcc to match the tool chain we want, if we recognize
+ // the arch.
+ //
+ // FIXME: The triple class should directly provide the information we want
+ // here.
+ if (Arch == "i386" || Arch == "powerpc")
+ CmdArgs.push_back("-m32");
+ else if (Arch == "x86_64" || Arch == "powerpc64")
+ CmdArgs.push_back("-m64");
+
+ if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Unexpected output");
+ CmdArgs.push_back("-fsyntax-only");
+ }
+
+
+ // Only pass -x if gcc will understand it; otherwise hope gcc
+ // understands the suffix correctly. The main use case this would go
+ // wrong in is for linker inputs if they happened to have an odd
+ // suffix; really the only way to get this to happen is a command
+ // like '-x foobar a.c' which will treat a.c like a linker input.
+ //
+ // FIXME: For the linker case specifically, can we safely convert
+ // inputs into '-Wl,' options?
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM or AST inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVMBC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+ else if (II.getType() == types::TY_AST)
+ D.Diag(clang::diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+
+ if (types::canTypeBeUserSpecified(II.getType())) {
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back(types::getTypeName(II.getType()));
+ }
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ // Don't render as input, we need gcc to do the translations.
+ II.getInputArg().render(Args, CmdArgs);
+ }
+
+ const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str();
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-E");
+}
+
+void gcc::Precompile::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // The type is good enough.
+}
+
+void gcc::Compile::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // If -flto, etc. are present then make sure not to force assembly output.
+ if (JA.getType() == types::TY_LLVMBC)
+ CmdArgs.push_back("-c");
+ else
+ CmdArgs.push_back("-S");
+}
+
+void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.push_back("-c");
+}
+
+void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const {
+ // The types are (hopefully) good enough.
+}
+
+const char *darwin::CC1::getCC1Name(types::ID Type) const {
+ switch (Type) {
+ default:
+ assert(0 && "Unexpected type for Darwin CC1 tool.");
+ case types::TY_Asm:
+ case types::TY_C: case types::TY_CHeader:
+ case types::TY_PP_C: case types::TY_PP_CHeader:
+ return "cc1";
+ case types::TY_ObjC: case types::TY_ObjCHeader:
+ case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader:
+ return "cc1obj";
+ case types::TY_CXX: case types::TY_CXXHeader:
+ case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
+ return "cc1plus";
+ case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
+ case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader:
+ return "cc1objplus";
+ }
+}
+
+const char *darwin::CC1::getBaseInputName(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ llvm::sys::Path P(Inputs[0].getBaseInput());
+ return Args.MakeArgString(P.getLast());
+}
+
+const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ const char *Str = getBaseInputName(Args, Inputs);
+
+ if (const char *End = strchr(Str, '.'))
+ return Args.MakeArgString(std::string(Str, End));
+
+ return Str;
+}
+
+const char *
+darwin::CC1::getDependencyFileName(const ArgList &Args,
+ const InputInfoList &Inputs) {
+ // FIXME: Think about this more.
+ std::string Res;
+
+ if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
+ std::string Str(OutputOpt->getValue(Args));
+
+ Res = Str.substr(0, Str.rfind('.'));
+ } else
+ Res = darwin::CC1::getBaseInputStem(Args, Inputs);
+
+ return Args.MakeArgString(Res + ".d");
+}
+
+void darwin::CC1::AddCC1Args(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ CheckCodeGenerationOptions(D, Args);
+
+ // Derived from cc1 spec.
+ if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) &&
+ !Args.hasArg(options::OPT_mdynamic_no_pic))
+ CmdArgs.push_back("-fPIC");
+
+ if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
+ if (!Args.hasArg(options::OPT_fbuiltin_strcat))
+ CmdArgs.push_back("-fno-builtin-strcat");
+ if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
+ CmdArgs.push_back("-fno-builtin-strcpy");
+ }
+
+ // gcc has some code here to deal with when no -mmacosx-version-min
+ // and no -miphoneos-version-min is present, but this never happens
+ // due to tool chain specific argument translation.
+
+ if (Args.hasArg(options::OPT_g_Flag) &&
+ !Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols))
+ CmdArgs.push_back("-feliminate-unused-debug-symbols");
+}
+
+void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // Derived from cc1_options spec.
+ if (Args.hasArg(options::OPT_fast) ||
+ Args.hasArg(options::OPT_fastf) ||
+ Args.hasArg(options::OPT_fastcp))
+ CmdArgs.push_back("-O3");
+
+ if (Arg *A = Args.getLastArg(options::OPT_pg))
+ if (Args.hasArg(options::OPT_fomit_frame_pointer))
+ D.Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-fomit-frame-pointer";
+
+ AddCC1Args(Args, CmdArgs);
+
+ if (!Args.hasArg(options::OPT_Q))
+ CmdArgs.push_back("-quiet");
+
+ CmdArgs.push_back("-dumpbase");
+ CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_a_Group);
+
+ // FIXME: The goal is to use the user provided -o if that is our
+ // final output, otherwise to drive from the original input
+ // name. Find a clean way to go about this.
+ if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) &&
+ Args.hasArg(options::OPT_o)) {
+ Arg *OutputOpt = Args.getLastArg(options::OPT_o);
+ CmdArgs.push_back("-auxbase-strip");
+ CmdArgs.push_back(OutputOpt->getValue(Args));
+ } else {
+ CmdArgs.push_back("-auxbase");
+ CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs));
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_g_Group);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_O);
+ // FIXME: -Wall is getting some special treatment. Investigate.
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+ Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
+ options::OPT_trigraphs);
+ if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ // Honor -std-default.
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ }
+
+ if (Args.hasArg(options::OPT_v))
+ CmdArgs.push_back("-version");
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-p");
+ Args.AddLastArg(CmdArgs, options::OPT_p);
+
+ // The driver treats -fsyntax-only specially.
+ if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
+ getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
+ // Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are
+ // used to inhibit the default -fno-builtin-str{cat,cpy}.
+ //
+ // FIXME: Should we grow a better way to deal with "removing" args?
+ for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group,
+ options::OPT_fsyntax_only),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if (!it->getOption().matches(options::OPT_fbuiltin_strcat) &&
+ !it->getOption().matches(options::OPT_fbuiltin_strcpy)) {
+ it->claim();
+ it->render(Args, CmdArgs);
+ }
+ }
+ } else
+ Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+ if (Args.hasArg(options::OPT_Qn))
+ CmdArgs.push_back("-fno-ident");
+
+ // FIXME: This isn't correct.
+ //Args.AddLastArg(CmdArgs, options::OPT__help)
+ //Args.AddLastArg(CmdArgs, options::OPT__targetHelp)
+
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+
+ // FIXME: Still don't get what is happening here. Investigate.
+ Args.AddAllArgs(CmdArgs, options::OPT__param);
+
+ if (Args.hasArg(options::OPT_fmudflap) ||
+ Args.hasArg(options::OPT_fmudflapth)) {
+ CmdArgs.push_back("-fno-builtin");
+ CmdArgs.push_back("-fno-merge-constants");
+ }
+
+ if (Args.hasArg(options::OPT_coverage)) {
+ CmdArgs.push_back("-fprofile-arcs");
+ CmdArgs.push_back("-ftest-coverage");
+ }
+
+ if (types::isCXX(Inputs[0].getType()))
+ CmdArgs.push_back("-D__private_extern__=extern");
+}
+
+void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const {
+ // Derived from cpp_options
+ AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
+
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+
+ AddCC1Args(Args, CmdArgs);
+
+ // NOTE: The code below has some commonality with cpp_options, but
+ // in classic gcc style ends up sending things in different
+ // orders. This may be a good merge candidate once we drop pedantic
+ // compatibility.
+
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
+ options::OPT_trigraphs);
+ if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
+ // Honor -std-default.
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
+ "-std=", /*Joined=*/true);
+ }
+ Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+
+ // The driver treats -fsyntax-only specially.
+ Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
+
+ if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) &&
+ !Args.hasArg(options::OPT_fno_working_directory))
+ CmdArgs.push_back("-fworking-directory");
+
+ Args.AddAllArgs(CmdArgs, options::OPT_O);
+ Args.AddAllArgs(CmdArgs, options::OPT_undef);
+ if (Args.hasArg(options::OPT_save_temps))
+ CmdArgs.push_back("-fpch-preprocess");
+}
+
+void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfoList &Inputs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ CheckPreprocessingOptions(D, Args);
+
+ // Derived from cpp_unique_options.
+ // -{C,CC} only with -E is checked in CheckPreprocessingOptions().
+ Args.AddLastArg(CmdArgs, options::OPT_C);
+ Args.AddLastArg(CmdArgs, options::OPT_CC);
+ if (!Args.hasArg(options::OPT_Q))
+ CmdArgs.push_back("-quiet");
+ Args.AddAllArgs(CmdArgs, options::OPT_nostdinc);
+ Args.AddLastArg(CmdArgs, options::OPT_v);
+ Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
+ Args.AddLastArg(CmdArgs, options::OPT_P);
+
+ // FIXME: Handle %I properly.
+ if (getToolChain().getArchName() == "x86_64") {
+ CmdArgs.push_back("-imultilib");
+ CmdArgs.push_back("x86_64");
+ }
+
+ if (Args.hasArg(options::OPT_MD)) {
+ CmdArgs.push_back("-MD");
+ CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
+ }
+
+ if (Args.hasArg(options::OPT_MMD)) {
+ CmdArgs.push_back("-MMD");
+ CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_M);
+ Args.AddLastArg(CmdArgs, options::OPT_MM);
+ Args.AddAllArgs(CmdArgs, options::OPT_MF);
+ Args.AddLastArg(CmdArgs, options::OPT_MG);
+ Args.AddLastArg(CmdArgs, options::OPT_MP);
+ Args.AddAllArgs(CmdArgs, options::OPT_MQ);
+ Args.AddAllArgs(CmdArgs, options::OPT_MT);
+ if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) &&
+ (Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) {
+ if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
+ CmdArgs.push_back("-MQ");
+ CmdArgs.push_back(OutputOpt->getValue(Args));
+ }
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_remap);
+ if (Args.hasArg(options::OPT_g3))
+ CmdArgs.push_back("-dD");
+ Args.AddLastArg(CmdArgs, options::OPT_H);
+
+ AddCPPArgs(Args, CmdArgs);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A);
+ Args.AddAllArgs(CmdArgs, options::OPT_i_Group);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
+ options::OPT_Xpreprocessor);
+
+ if (Args.hasArg(options::OPT_fmudflap)) {
+ CmdArgs.push_back("-D_MUDFLAP");
+ CmdArgs.push_back("-include");
+ CmdArgs.push_back("mf-runtime.h");
+ }
+
+ if (Args.hasArg(options::OPT_fmudflapth)) {
+ CmdArgs.push_back("-D_MUDFLAP");
+ CmdArgs.push_back("-D_MUDFLAPTH");
+ CmdArgs.push_back("-include");
+ CmdArgs.push_back("mf-runtime.h");
+ }
+}
+
+void darwin::CC1::AddCPPArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // Derived from cpp spec.
+
+ if (Args.hasArg(options::OPT_static)) {
+ // The gcc spec is broken here, it refers to dynamic but
+ // that has been translated. Start by being bug compatible.
+
+ // if (!Args.hasArg(arglist.parser.dynamicOption))
+ CmdArgs.push_back("-D__STATIC__");
+ } else
+ CmdArgs.push_back("-D__DYNAMIC__");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-D_REENTRANT");
+}
+
+void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs!");
+
+ CmdArgs.push_back("-E");
+
+ if (Args.hasArg(options::OPT_traditional) ||
+ Args.hasArg(options::OPT_traditional_cpp))
+ CmdArgs.push_back("-traditional-cpp");
+
+ ArgStringList OutputArgs;
+ if (Output.isFilename()) {
+ OutputArgs.push_back("-o");
+ OutputArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isPipe() && "Unexpected CC1 output.");
+ }
+
+ if (Args.hasArg(options::OPT_E)) {
+ AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
+
+ const char *CC1Name = getCC1Name(Inputs[0].getType());
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs!");
+
+ types::ID InputType = Inputs[0].getType();
+ const Arg *A;
+ if ((A = Args.getLastArg(options::OPT_traditional)))
+ D.Diag(clang::diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-E";
+
+ if (Output.getType() == types::TY_LLVMAsm)
+ CmdArgs.push_back("-emit-llvm");
+ else if (Output.getType() == types::TY_LLVMBC)
+ CmdArgs.push_back("-emit-llvm-bc");
+ else if (Output.getType() == types::TY_AST)
+ D.Diag(clang::diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+
+ ArgStringList OutputArgs;
+ if (Output.getType() != types::TY_PCH) {
+ OutputArgs.push_back("-o");
+ if (Output.isPipe())
+ OutputArgs.push_back("-");
+ else if (Output.isNothing())
+ OutputArgs.push_back("/dev/null");
+ else
+ OutputArgs.push_back(Output.getFilename());
+ }
+
+ // There is no need for this level of compatibility, but it makes
+ // diffing easier.
+ bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) ||
+ Args.hasArg(options::OPT_S));
+
+ if (types::getPreprocessedType(InputType) != types::TY_INVALID) {
+ AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
+ if (OutputArgsEarly) {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+ } else {
+ CmdArgs.push_back("-fpreprocessed");
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Reject AST inputs.
+ if (II.getType() == types::TY_AST) {
+ D.Diag(clang::diag::err_drv_no_ast_support)
+ << getToolChain().getTripleString();
+ return;
+ }
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ if (OutputArgsEarly) {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
+ } else {
+ AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
+ CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
+ }
+ }
+
+ if (Output.getType() == types::TY_PCH) {
+ assert(Output.isFilename() && "Invalid PCH output.");
+
+ CmdArgs.push_back("-o");
+ // NOTE: gcc uses a temp .s file for this, but there doesn't seem
+ // to be a good reason.
+ CmdArgs.push_back("/dev/null");
+
+ CmdArgs.push_back("--output-pch=");
+ CmdArgs.push_back(Output.getFilename());
+ }
+
+ const char *CC1Name = getCC1Name(Inputs[0].getType());
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ assert(Inputs.size() == 1 && "Unexpected number of inputs.");
+ const InputInfo &Input = Inputs[0];
+
+ // Bit of a hack, this is only used for original inputs.
+ //
+ // FIXME: This is broken for preprocessed .s inputs.
+ if (Input.isFilename() &&
+ strcmp(Input.getFilename(), Input.getBaseInput()) == 0) {
+ if (Args.hasArg(options::OPT_gstabs))
+ CmdArgs.push_back("--gstabs");
+ else if (Args.hasArg(options::OPT_g_Group))
+ CmdArgs.push_back("--gdwarf2");
+ }
+
+ // Derived from asm spec.
+ AddDarwinArch(Args, CmdArgs);
+
+ if (!getDarwinToolChain().isTargetIPhoneOS() ||
+ Args.hasArg(options::OPT_force__cpusubtype__ALL))
+ CmdArgs.push_back("-force_cpusubtype_ALL");
+
+ if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 &&
+ (Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_fapple_kext)))
+ CmdArgs.push_back("-static");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ assert(Output.isFilename() && "Unexpected lipo output.");
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ if (Input.isPipe()) {
+ CmdArgs.push_back("-");
+ } else {
+ assert(Input.isFilename() && "Invalid input.");
+ CmdArgs.push_back(Input.getFilename());
+ }
+
+ // asm_final spec is empty.
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+/// Helper routine for seeing if we should use dsymutil; this is a
+/// gcc compatible hack, we should remove it and use the input
+/// type information.
+static bool isSourceSuffix(const char *Str) {
+ // match: 'C', 'CPP', 'c', 'cc', 'cp', 'c++', 'cpp', 'cxx', 'm',
+ // 'mm'.
+ return llvm::StringSwitch<bool>(Str)
+ .Case("C", true)
+ .Case("c", true)
+ .Case("m", true)
+ .Case("cc", true)
+ .Case("cp", true)
+ .Case("mm", true)
+ .Case("CPP", true)
+ .Case("c++", true)
+ .Case("cpp", true)
+ .Case("cxx", true)
+ .Default(false);
+}
+
+void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(Args);
+
+ // Derived from darwin_arch spec.
+ CmdArgs.push_back("-arch");
+ CmdArgs.push_back(Args.MakeArgString(ArchName));
+
+ // FIXME: Is this needed anymore?
+ if (ArchName == "arm")
+ CmdArgs.push_back("-force_cpusubtype_ALL");
+}
+
+void darwin::Link::AddLinkArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // Derived from the "link" spec.
+ Args.AddAllArgs(CmdArgs, options::OPT_static);
+ if (!Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-dynamic");
+ if (Args.hasArg(options::OPT_fgnu_runtime)) {
+ // FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
+ // here. How do we wish to handle such things?
+ }
+
+ if (!Args.hasArg(options::OPT_dynamiclib)) {
+ AddDarwinArch(Args, CmdArgs);
+ // FIXME: Why do this only on this path?
+ Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
+
+ Args.AddLastArg(CmdArgs, options::OPT_bundle);
+ Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
+ Args.AddAllArgs(CmdArgs, options::OPT_client__name);
+
+ Arg *A;
+ if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
+ (A = Args.getLastArg(options::OPT_current__version)) ||
+ (A = Args.getLastArg(options::OPT_install__name)))
+ D.Diag(clang::diag::err_drv_argument_only_allowed_with)
+ << A->getAsString(Args) << "-dynamiclib";
+
+ Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
+ Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
+ Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
+ } else {
+ CmdArgs.push_back("-dylib");
+
+ Arg *A;
+ if ((A = Args.getLastArg(options::OPT_bundle)) ||
+ (A = Args.getLastArg(options::OPT_bundle__loader)) ||
+ (A = Args.getLastArg(options::OPT_client__name)) ||
+ (A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
+ (A = Args.getLastArg(options::OPT_keep__private__externs)) ||
+ (A = Args.getLastArg(options::OPT_private__bundle)))
+ D.Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "-dynamiclib";
+
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
+ "-dylib_compatibility_version");
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
+ "-dylib_current_version");
+
+ AddDarwinArch(Args, CmdArgs);
+
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
+ "-dylib_install_name");
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_all__load);
+ Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
+ Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
+ if (getDarwinToolChain().isTargetIPhoneOS())
+ Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
+ Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
+ Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
+ Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
+ Args.AddLastArg(CmdArgs, options::OPT_dynamic);
+ Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
+ Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
+ Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
+ Args.AddAllArgs(CmdArgs, options::OPT_image__base);
+ Args.AddAllArgs(CmdArgs, options::OPT_init);
+
+ // Adding all arguments doesn't make sense here but this is what gcc does. One
+ // of this should always be present thanks to argument translation.
+ assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) ||
+ Args.hasArg(options::OPT_miphoneos_version_min_EQ)) &&
+ "Missing version argument (lost in translation)?");
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ,
+ "-macosx_version_min");
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ,
+ "-iphoneos_version_min");
+ Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
+ Args.AddLastArg(CmdArgs, options::OPT_multi__module);
+ Args.AddLastArg(CmdArgs, options::OPT_single__module);
+ Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
+ Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
+
+ if (Args.hasArg(options::OPT_fpie))
+ CmdArgs.push_back("-pie");
+
+ Args.AddLastArg(CmdArgs, options::OPT_prebind);
+ Args.AddLastArg(CmdArgs, options::OPT_noprebind);
+ Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
+ Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
+ Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segprot);
+ Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
+ Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
+ Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
+ Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
+
+ Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot");
+ if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (!Args.hasArg(options::OPT_isysroot)) {
+ CmdArgs.push_back("-syslibroot");
+ CmdArgs.push_back("/Developer/SDKs/Extra");
+ }
+ }
+
+ Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
+ Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
+ Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
+ Args.AddAllArgs(CmdArgs, options::OPT_undefined);
+ Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
+ Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
+ Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_y);
+ Args.AddLastArg(CmdArgs, options::OPT_w);
+ Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
+ Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
+ Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
+ Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
+ Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
+ Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
+ Args.AddLastArg(CmdArgs, options::OPT_whyload);
+ Args.AddLastArg(CmdArgs, options::OPT_whatsloaded);
+ Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name);
+ Args.AddLastArg(CmdArgs, options::OPT_dylinker);
+ Args.AddLastArg(CmdArgs, options::OPT_Mach);
+}
+
+void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ assert(Output.getType() == types::TY_Image && "Invalid linker output type.");
+
+ // The logic here is derived from gcc's behavior; most of which
+ // comes from specs (starting with link_command). Consult gcc for
+ // more information.
+ ArgStringList CmdArgs;
+
+ // I'm not sure why this particular decomposition exists in gcc, but
+ // we follow suite for ease of comparison.
+ AddLinkArgs(Args, CmdArgs);
+
+ Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_s);
+ Args.AddAllArgs(CmdArgs, options::OPT_t);
+ Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
+ Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_A);
+ Args.AddLastArg(CmdArgs, options::OPT_e);
+ Args.AddAllArgs(CmdArgs, options::OPT_m_Separate);
+ Args.AddAllArgs(CmdArgs, options::OPT_r);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ if (!Args.hasArg(options::OPT_A) &&
+ !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ // Derived from startfile spec.
+ if (Args.hasArg(options::OPT_dynamiclib)) {
+ // Derived from darwin_dylib1 spec.
+ if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-ldylib1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-ldylib1.o");
+ else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-ldylib1.10.5.o");
+ }
+ } else {
+ if (Args.hasArg(options::OPT_bundle)) {
+ if (!Args.hasArg(options::OPT_static)) {
+ // Derived from darwin_bundle1 spec.
+ if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-lbundle1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lbundle1.o");
+ }
+ }
+ } else {
+ if (Args.hasArg(options::OPT_pg)) {
+ if (Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_object) ||
+ Args.hasArg(options::OPT_preload)) {
+ CmdArgs.push_back("-lgcrt0.o");
+ } else {
+ CmdArgs.push_back("-lgcrt1.o");
+
+ // darwin_crt2 spec is empty.
+ }
+ } else {
+ if (Args.hasArg(options::OPT_static) ||
+ Args.hasArg(options::OPT_object) ||
+ Args.hasArg(options::OPT_preload)) {
+ CmdArgs.push_back("-lcrt0.o");
+ } else {
+ // Derived from darwin_crt1 spec.
+ if (getDarwinToolChain().isTargetIPhoneOS()) {
+ if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
+ CmdArgs.push_back("-lcrt1.o");
+ else
+ CmdArgs.push_back("-lcrt1.3.1.o");
+ } else {
+ if (getDarwinToolChain().isMacosxVersionLT(10, 5))
+ CmdArgs.push_back("-lcrt1.o");
+ else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
+ CmdArgs.push_back("-lcrt1.10.5.o");
+ else
+ CmdArgs.push_back("-lcrt1.10.6.o");
+
+ // darwin_crt2 spec is empty.
+ }
+ }
+ }
+ }
+ }
+
+ if (!getDarwinToolChain().isTargetIPhoneOS() &&
+ Args.hasArg(options::OPT_shared_libgcc) &&
+ getDarwinToolChain().isMacosxVersionLT(10, 5)) {
+ const char *Str =
+ Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o"));
+ CmdArgs.push_back(Str);
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+
+ if (Args.hasArg(options::OPT_fopenmp))
+ // This is more complicated in gcc...
+ CmdArgs.push_back("-lgomp");
+
+ getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ if (LinkingOutput) {
+ CmdArgs.push_back("-arch_multiple");
+ CmdArgs.push_back("-final_output");
+ CmdArgs.push_back(LinkingOutput);
+ }
+
+ if (Args.hasArg(options::OPT_fprofile_arcs) ||
+ Args.hasArg(options::OPT_fprofile_generate) ||
+ Args.hasArg(options::OPT_fcreate_profile) ||
+ Args.hasArg(options::OPT_coverage))
+ CmdArgs.push_back("-lgcov");
+
+ if (Args.hasArg(options::OPT_fnested_functions))
+ CmdArgs.push_back("-allow_stack_execute");
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: g++ is more complicated here, it tries to put -lstdc++
+ // before -lm, for example.
+ if (getToolChain().getDriver().CCCIsCXX)
+ CmdArgs.push_back("-lstdc++");
+
+ // link_ssp spec is empty.
+
+ // Let the tool chain choose which runtime library to link.
+ getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_A) &&
+ !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ // endfile_spec is empty.
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_F);
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+
+ // Find the first non-empty base input (we want to ignore linker
+ // inputs).
+ const char *BaseInput = "";
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ if (Inputs[i].getBaseInput()[0] != '\0') {
+ BaseInput = Inputs[i].getBaseInput();
+ break;
+ }
+ }
+
+ // Run dsymutil if we are making an executable in a single step.
+ //
+ // FIXME: Currently we don't want to do this when we are part of a
+ // universal build step, as this would end up creating stray temp
+ // files.
+ if (!LinkingOutput &&
+ Args.getLastArg(options::OPT_g_Group) &&
+ !Args.getLastArg(options::OPT_gstabs) &&
+ !Args.getLastArg(options::OPT_g0)) {
+ // FIXME: This is gross, but matches gcc. The test only considers
+ // the suffix (not the -x type), and then only of the first
+ // source input. Awesome.
+ const char *Suffix = strrchr(BaseInput, '.');
+ if (Suffix && isSourceSuffix(Suffix + 1)) {
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil"));
+ ArgStringList CmdArgs;
+ CmdArgs.push_back(Output.getFilename());
+ C.getJobs().addCommand(new Command(JA, *this, Exec, CmdArgs));
+ }
+ }
+}
+
+void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ CmdArgs.push_back("-create");
+ assert(Output.isFilename() && "Unexpected lipo output.");
+
+ CmdArgs.push_back("-output");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ assert(II.isFilename() && "Unexpected lipo input.");
+ CmdArgs.push_back(II.getFilename());
+ }
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ if (Output.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "gas"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if ((!Args.hasArg(options::OPT_nostdlib)) &&
+ (!Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("_start");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ CmdArgs.push_back("-dn");
+ } else {
+// CmdArgs.push_back("--eh-frame-hdr");
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ } else {
+ CmdArgs.push_back("--dynamic-linker");
+ CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1
+ }
+ }
+
+ if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ }
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o")));
+ }
+
+ CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
+ + getToolChain().getTripleString()
+ + "/4.2.4"));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVMBC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: For some reason GCC passes -lgcc before adding
+ // the default system libraries. Just mimic this for now.
+ CmdArgs.push_back("-lgcc");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-pthread");
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lgcc");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o")));
+// else
+// CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o")));
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ if (Output.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if ((!Args.hasArg(options::OPT_nostdlib)) &&
+ (!Args.hasArg(options::OPT_shared))) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("__start");
+ }
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ CmdArgs.push_back("--eh-frame-hdr");
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-shared");
+ } else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/usr/libexec/ld.so");
+ }
+ }
+
+ if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt0.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o")));
+ }
+ }
+
+ std::string Triple = getToolChain().getTripleString();
+ if (Triple.substr(0, 6) == "x86_64")
+ Triple.replace(0, 6, "amd64");
+ CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple +
+ "/3.3.5"));
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVMBC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: For some reason GCC passes -lgcc before adding
+ // the default system libraries. Just mimic this for now.
+ CmdArgs.push_back("-lgcc");
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-pthread");
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-lc");
+ CmdArgs.push_back("-lgcc");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o")));
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // When building 32-bit code on FreeBSD/amd64, we have to explicitly
+ // instruct as in the base system to assemble 32-bit code.
+ if (getToolChain().getArchName() == "i386")
+ CmdArgs.push_back("--32");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ if (Output.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ CmdArgs.push_back("--eh-frame-hdr");
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-Bshareable");
+ } else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/libexec/ld-elf.so.1");
+ }
+ }
+
+ // When building 32-bit code on FreeBSD/amd64, we have to explicitly
+ // instruct ld in the base system to link 32-bit code.
+ if (getToolChain().getArchName() == "i386") {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf_i386_fbsd");
+ }
+
+ if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o")));
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVMBC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
+ // the default system libraries. Just mimic this for now.
+ CmdArgs.push_back("-lgcc");
+ if (D.CCCIsCXX)
+ CmdArgs.push_back("-lstdc++");
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("-lc");
+
+ CmdArgs.push_back("-lgcc");
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-lgcc_eh");
+ } else {
+ CmdArgs.push_back("--as-needed");
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("--no-as-needed");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o")));
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+/// DragonFly Tools
+
+// For now, DragonFly Assemble does just about the same as for
+// FreeBSD, but this may change soon.
+void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ // When building 32-bit code on DragonFly/pc64, we have to explicitly
+ // instruct as in the base system to assemble 32-bit code.
+ if (getToolChain().getArchName() == "i386")
+ CmdArgs.push_back("--32");
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
+ options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ if (Output.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(Output.getFilename());
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else
+ CmdArgs.push_back(II.getFilename());
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
+void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest, const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const Driver &D = getToolChain().getDriver();
+ ArgStringList CmdArgs;
+
+ if (Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-Bstatic");
+ } else {
+ if (Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("-Bshareable");
+ else {
+ CmdArgs.push_back("-dynamic-linker");
+ CmdArgs.push_back("/usr/libexec/ld-elf.so.2");
+ }
+ }
+
+ // When building 32-bit code on DragonFly/pc64, we have to explicitly
+ // instruct ld in the base system to link 32-bit code.
+ if (getToolChain().getArchName() == "i386") {
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf_i386");
+ }
+
+ if (Output.isPipe()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back("-");
+ } else if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ } else {
+ assert(Output.isNothing() && "Invalid output.");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o")));
+ } else {
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o")));
+ }
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+
+ for (InputInfoList::const_iterator
+ it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
+ const InputInfo &II = *it;
+
+ // Don't try to pass LLVM inputs to a generic gcc.
+ if (II.getType() == types::TY_LLVMBC)
+ D.Diag(clang::diag::err_drv_no_linker_llvm_support)
+ << getToolChain().getTripleString();
+
+ if (II.isPipe())
+ CmdArgs.push_back("-");
+ else if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+ else
+ II.getInputArg().renderAsInput(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ // FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of
+ // rpaths
+ CmdArgs.push_back("-L/usr/lib/gcc41");
+
+ if (!Args.hasArg(options::OPT_static)) {
+ CmdArgs.push_back("-rpath");
+ CmdArgs.push_back("/usr/lib/gcc41");
+
+ CmdArgs.push_back("-rpath-link");
+ CmdArgs.push_back("/usr/lib/gcc41");
+
+ CmdArgs.push_back("-rpath");
+ CmdArgs.push_back("/usr/lib");
+
+ CmdArgs.push_back("-rpath-link");
+ CmdArgs.push_back("/usr/lib");
+ }
+
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-lgcc_pic");
+ } else {
+ CmdArgs.push_back("-lgcc");
+ }
+
+
+ if (Args.hasArg(options::OPT_pthread))
+ CmdArgs.push_back("-lpthread");
+
+ if (!Args.hasArg(options::OPT_nolibc)) {
+ CmdArgs.push_back("-lc");
+ }
+
+ if (Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-lgcc_pic");
+ } else {
+ CmdArgs.push_back("-lgcc");
+ }
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (!Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtend.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtendS.o")));
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C, "crtn.o")));
+ }
+
+ const char *Exec =
+ Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
+ Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
diff --git a/lib/Driver/Tools.h b/lib/Driver/Tools.h
new file mode 100644
index 0000000..db59641
--- /dev/null
+++ b/lib/Driver/Tools.h
@@ -0,0 +1,396 @@
+//===--- Tools.h - Tool Implementations -------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_TOOLS_H_
+#define CLANG_LIB_DRIVER_TOOLS_H_
+
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/Types.h"
+#include "clang/Driver/Util.h"
+
+#include "llvm/Support/Compiler.h"
+
+namespace clang {
+namespace driver {
+ class Driver;
+
+namespace toolchains {
+ class Darwin;
+}
+
+namespace tools {
+
+ class VISIBILITY_HIDDEN Clang : public Tool {
+ void AddPreprocessingOptions(const Driver &D,
+ const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfo &Output,
+ const InputInfoList &Inputs) const;
+
+ void AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddX86TargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ public:
+ Clang(const ToolChain &TC) : Tool("clang", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedAssembler() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ /// gcc - Generic GCC tool implementations.
+namespace gcc {
+ class VISIBILITY_HIDDEN Common : public Tool {
+ public:
+ Common(const char *Name, const ToolChain &TC) : Tool(Name, TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+
+ /// RenderExtraToolArgs - Render any arguments necessary to force
+ /// the particular tool mode.
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const = 0;
+ };
+
+
+ class VISIBILITY_HIDDEN Preprocess : public Common {
+ public:
+ Preprocess(const ToolChain &TC) : Common("gcc::Preprocess", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class VISIBILITY_HIDDEN Precompile : public Common {
+ public:
+ Precompile(const ToolChain &TC) : Common("gcc::Precompile", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class VISIBILITY_HIDDEN Compile : public Common {
+ public:
+ Compile(const ToolChain &TC) : Common("gcc::Compile", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class VISIBILITY_HIDDEN Assemble : public Common {
+ public:
+ Assemble(const ToolChain &TC) : Common("gcc::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+
+ class VISIBILITY_HIDDEN Link : public Common {
+ public:
+ Link(const ToolChain &TC) : Common("gcc::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return false; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void RenderExtraToolArgs(const JobAction &JA,
+ ArgStringList &CmdArgs) const;
+ };
+} // end namespace gcc
+
+namespace darwin {
+ class VISIBILITY_HIDDEN DarwinTool : public Tool {
+ protected:
+ void AddDarwinArch(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ const toolchains::Darwin &getDarwinToolChain() const {
+ return reinterpret_cast<const toolchains::Darwin&>(getToolChain());
+ }
+
+ public:
+ DarwinTool(const char *Name, const ToolChain &TC) : Tool(Name, TC) {}
+ };
+
+ class VISIBILITY_HIDDEN CC1 : public DarwinTool {
+ public:
+ static const char *getBaseInputName(const ArgList &Args,
+ const InputInfoList &Input);
+ static const char *getBaseInputStem(const ArgList &Args,
+ const InputInfoList &Input);
+ static const char *getDependencyFileName(const ArgList &Args,
+ const InputInfoList &Inputs);
+
+ protected:
+ const char *getCC1Name(types::ID Type) const;
+
+ void AddCC1Args(const ArgList &Args, ArgStringList &CmdArgs) const;
+ void AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const;
+ void AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
+ const InputInfoList &Inputs,
+ const ArgStringList &OutputArgs) const;
+ void AddCPPUniqueOptionsArgs(const ArgList &Args,
+ ArgStringList &CmdArgs,
+ const InputInfoList &Inputs) const;
+ void AddCPPArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ public:
+ CC1(const char *Name, const ToolChain &TC) : DarwinTool(Name, TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return true; }
+ };
+
+ class VISIBILITY_HIDDEN Preprocess : public CC1 {
+ public:
+ Preprocess(const ToolChain &TC) : CC1("darwin::Preprocess", TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class VISIBILITY_HIDDEN Compile : public CC1 {
+ public:
+ Compile(const ToolChain &TC) : CC1("darwin::Compile", TC) {}
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class VISIBILITY_HIDDEN Assemble : public DarwinTool {
+ public:
+ Assemble(const ToolChain &TC) : DarwinTool("darwin::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class VISIBILITY_HIDDEN Link : public DarwinTool {
+ void AddLinkArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+ public:
+ Link(const ToolChain &TC) : DarwinTool("darwin::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return false; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+
+ class VISIBILITY_HIDDEN Lipo : public DarwinTool {
+ public:
+ Lipo(const ToolChain &TC) : DarwinTool("darwin::Lipo", TC) {}
+
+ virtual bool acceptsPipedInput() const { return false; }
+ virtual bool canPipeOutput() const { return false; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+}
+
+ /// openbsd -- Directly call GNU Binutils assembler and linker
+namespace openbsd {
+ class VISIBILITY_HIDDEN Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("openbsd::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class VISIBILITY_HIDDEN Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("openbsd::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace openbsd
+
+ /// freebsd -- Directly call GNU Binutils assembler and linker
+namespace freebsd {
+ class VISIBILITY_HIDDEN Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("freebsd::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class VISIBILITY_HIDDEN Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("freebsd::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace freebsd
+
+ /// auroraux -- Directly call GNU Binutils assembler and linker
+namespace auroraux {
+ class VISIBILITY_HIDDEN Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("auroraux::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class VISIBILITY_HIDDEN Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("auroraux::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace auroraux
+
+ /// dragonfly -- Directly call GNU Binutils assembler and linker
+namespace dragonfly {
+ class VISIBILITY_HIDDEN Assemble : public Tool {
+ public:
+ Assemble(const ToolChain &TC) : Tool("dragonfly::Assemble", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+ class VISIBILITY_HIDDEN Link : public Tool {
+ public:
+ Link(const ToolChain &TC) : Tool("dragonfly::Link", TC) {}
+
+ virtual bool acceptsPipedInput() const { return true; }
+ virtual bool canPipeOutput() const { return true; }
+ virtual bool hasIntegratedCPP() const { return false; }
+
+ virtual void ConstructJob(Compilation &C, const JobAction &JA,
+ Job &Dest,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &TCArgs,
+ const char *LinkingOutput) const;
+ };
+} // end namespace dragonfly
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif // CLANG_LIB_DRIVER_TOOLS_H_
diff --git a/lib/Driver/Types.cpp b/lib/Driver/Types.cpp
new file mode 100644
index 0000000..60d86a6
--- /dev/null
+++ b/lib/Driver/Types.cpp
@@ -0,0 +1,215 @@
+//===--- Types.cpp - Driver input & temporary type information ----------*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Types.h"
+
+#include "llvm/ADT/StringSwitch.h"
+#include <string.h>
+#include <cassert>
+
+using namespace clang::driver;
+using namespace clang::driver::types;
+
+struct TypeInfo {
+ const char *Name;
+ const char *Flags;
+ const char *TempSuffix;
+ ID PreprocessedType;
+};
+
+static const TypeInfo TypeInfos[] = {
+#define TYPE(NAME, ID, PP_TYPE, TEMP_SUFFIX, FLAGS) \
+ { NAME, FLAGS, TEMP_SUFFIX, TY_##PP_TYPE, },
+#include "clang/Driver/Types.def"
+#undef TYPE
+};
+static const unsigned numTypes = sizeof(TypeInfos) / sizeof(TypeInfos[0]);
+
+static const TypeInfo &getInfo(unsigned id) {
+ assert(id > 0 && id - 1 < numTypes && "Invalid Type ID.");
+ return TypeInfos[id - 1];
+}
+
+const char *types::getTypeName(ID Id) {
+ return getInfo(Id).Name;
+}
+
+types::ID types::getPreprocessedType(ID Id) {
+ return getInfo(Id).PreprocessedType;
+}
+
+const char *types::getTypeTempSuffix(ID Id) {
+ return getInfo(Id).TempSuffix;
+}
+
+bool types::onlyAssembleType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'a');
+}
+
+bool types::onlyPrecompileType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'p');
+}
+
+bool types::canTypeBeUserSpecified(ID Id) {
+ return strchr(getInfo(Id).Flags, 'u');
+}
+
+bool types::appendSuffixForType(ID Id) {
+ return strchr(getInfo(Id).Flags, 'A');
+}
+
+bool types::canLipoType(ID Id) {
+ return (Id == TY_Nothing ||
+ Id == TY_Image ||
+ Id == TY_Object);
+}
+
+bool types::isAcceptedByClang(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_Asm:
+ case TY_C: case TY_PP_C:
+ case TY_CL:
+ case TY_ObjC: case TY_PP_ObjC:
+ case TY_CXX: case TY_PP_CXX:
+ case TY_ObjCXX: case TY_PP_ObjCXX:
+ case TY_CHeader: case TY_PP_CHeader:
+ case TY_ObjCHeader: case TY_PP_ObjCHeader:
+ case TY_CXXHeader: case TY_PP_CXXHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
+ case TY_AST:
+ return true;
+ }
+}
+
+bool types::isObjC(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_ObjC: case TY_PP_ObjC:
+ case TY_ObjCXX: case TY_PP_ObjCXX:
+ case TY_ObjCHeader: case TY_PP_ObjCHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
+ return true;
+ }
+}
+
+bool types::isCXX(ID Id) {
+ switch (Id) {
+ default:
+ return false;
+
+ case TY_CXX: case TY_PP_CXX:
+ case TY_ObjCXX: case TY_PP_ObjCXX:
+ case TY_CXXHeader: case TY_PP_CXXHeader:
+ case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
+ return true;
+ }
+}
+
+types::ID types::lookupTypeForExtension(const char *Ext) {
+ return llvm::StringSwitch<types::ID>(Ext)
+ .Case("c", TY_C)
+ .Case("i", TY_PP_C)
+ .Case("m", TY_ObjC)
+ .Case("M", TY_ObjCXX)
+ .Case("h", TY_CHeader)
+ .Case("C", TY_CXX)
+ .Case("H", TY_CXXHeader)
+ .Case("f", TY_PP_Fortran)
+ .Case("F", TY_Fortran)
+ .Case("s", TY_PP_Asm)
+ .Case("S", TY_Asm)
+ .Case("ii", TY_PP_CXX)
+ .Case("mi", TY_PP_ObjC)
+ .Case("mm", TY_ObjCXX)
+ .Case("cc", TY_CXX)
+ .Case("CC", TY_CXX)
+ .Case("cl", TY_CL)
+ .Case("cp", TY_CXX)
+ .Case("hh", TY_CXXHeader)
+ .Case("hpp", TY_CXXHeader)
+ .Case("ads", TY_Ada)
+ .Case("adb", TY_Ada)
+ .Case("ast", TY_AST)
+ .Case("cxx", TY_CXX)
+ .Case("cpp", TY_CXX)
+ .Case("CPP", TY_CXX)
+ .Case("CXX", TY_CXX)
+ .Case("for", TY_PP_Fortran)
+ .Case("FOR", TY_PP_Fortran)
+ .Case("fpp", TY_Fortran)
+ .Case("FPP", TY_Fortran)
+ .Case("f90", TY_PP_Fortran)
+ .Case("f95", TY_PP_Fortran)
+ .Case("F90", TY_Fortran)
+ .Case("F95", TY_Fortran)
+ .Case("mii", TY_PP_ObjCXX)
+ .Default(TY_INVALID);
+}
+
+types::ID types::lookupTypeForTypeSpecifier(const char *Name) {
+ unsigned N = strlen(Name);
+
+ for (unsigned i=0; i<numTypes; ++i) {
+ types::ID Id = (types::ID) (i + 1);
+ if (canTypeBeUserSpecified(Id) &&
+ memcmp(Name, getInfo(Id).Name, N + 1) == 0)
+ return Id;
+ }
+
+ return TY_INVALID;
+}
+
+// FIXME: Why don't we just put this list in the defs file, eh.
+
+unsigned types::getNumCompilationPhases(ID Id) {
+ if (Id == TY_Object)
+ return 1;
+
+ unsigned N = 0;
+ if (getPreprocessedType(Id) != TY_INVALID)
+ N += 1;
+
+ if (onlyAssembleType(Id))
+ return N + 2; // assemble, link
+ if (onlyPrecompileType(Id))
+ return N + 1; // precompile
+
+ return N + 3; // compile, assemble, link
+}
+
+phases::ID types::getCompilationPhase(ID Id, unsigned N) {
+ assert(N < getNumCompilationPhases(Id) && "Invalid index.");
+
+ if (Id == TY_Object)
+ return phases::Link;
+
+ if (getPreprocessedType(Id) != TY_INVALID) {
+ if (N == 0)
+ return phases::Preprocess;
+ --N;
+ }
+
+ if (onlyAssembleType(Id))
+ return N == 0 ? phases::Assemble : phases::Link;
+
+ if (onlyPrecompileType(Id))
+ return phases::Precompile;
+
+ if (N == 0)
+ return phases::Compile;
+ if (N == 1)
+ return phases::Assemble;
+
+ return phases::Link;
+}