Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1 | //===--- CGDebugInfo.cpp - Emit Debug Information for a Module ------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This coordinates the debug information generation while generating code. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "CGDebugInfo.h" |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 15 | #include "CodeGenFunction.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 16 | #include "CodeGenModule.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 17 | #include "clang/AST/ASTContext.h" |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 18 | #include "clang/AST/DeclObjC.h" |
Chris Lattner | 3cc5c40 | 2008-11-11 07:01:36 +0000 | [diff] [blame] | 19 | #include "clang/AST/Expr.h" |
Anders Carlsson | 19cc4ab | 2009-07-18 19:43:29 +0000 | [diff] [blame] | 20 | #include "clang/AST/RecordLayout.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 21 | #include "clang/Basic/SourceManager.h" |
| 22 | #include "clang/Basic/FileManager.h" |
Mike Stump | 5a86217 | 2009-09-15 21:48:34 +0000 | [diff] [blame] | 23 | #include "clang/Basic/Version.h" |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 24 | #include "clang/CodeGen/CodeGenOptions.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 25 | #include "llvm/Constants.h" |
| 26 | #include "llvm/DerivedTypes.h" |
| 27 | #include "llvm/Instructions.h" |
| 28 | #include "llvm/Intrinsics.h" |
| 29 | #include "llvm/Module.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringExtras.h" |
| 31 | #include "llvm/ADT/SmallVector.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 32 | #include "llvm/Support/Dwarf.h" |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 33 | #include "llvm/System/Path.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 34 | #include "llvm/Target/TargetMachine.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 35 | using namespace clang; |
| 36 | using namespace clang::CodeGen; |
| 37 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 38 | CGDebugInfo::CGDebugInfo(CodeGenModule &CGM) |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 39 | : CGM(CGM), DebugFactory(CGM.getModule()), |
Devang Patel | 7573f8b | 2010-03-09 21:32:27 +0000 | [diff] [blame] | 40 | FwdDeclCount(0), BlockLiteralGenericSet(false) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 41 | CreateCompileUnit(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 42 | } |
| 43 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 44 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 45 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 48 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 49 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 50 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 51 | } |
| 52 | |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 53 | /// getContextDescriptor - Get context info for the decl. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 54 | llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *Context, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 55 | llvm::DIDescriptor &CompileUnit) { |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 56 | if (!Context) |
| 57 | return CompileUnit; |
| 58 | |
| 59 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator |
| 60 | I = RegionMap.find(Context); |
| 61 | if (I != RegionMap.end()) |
| 62 | return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(I->second)); |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 63 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 64 | // Check namespace. |
| 65 | if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context)) |
| 66 | return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit)); |
| 67 | |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 68 | return CompileUnit; |
| 69 | } |
| 70 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 71 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 72 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 73 | /// is stored on the side. |
| 74 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 75 | assert (FD && "Invalid FunctionDecl!"); |
| 76 | IdentifierInfo *FII = FD->getIdentifier(); |
| 77 | if (FII) |
| 78 | return FII->getName(); |
| 79 | |
| 80 | // Otherwise construct human readable name for debug info. |
| 81 | std::string NS = FD->getNameAsString(); |
| 82 | |
| 83 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 84 | char *StrPtr = DebugInfoNames.Allocate<char>(NS.length()); |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 85 | memcpy(StrPtr, NS.data(), NS.length()); |
| 86 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 87 | } |
| 88 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 89 | /// getOrCreateFile - Get the file debug info descriptor for the input location. |
| 90 | llvm::DIFile CGDebugInfo::getOrCreateFile(SourceLocation Loc) { |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 91 | if (!Loc.isValid()) |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 92 | // If Location is not valid then use main input file. |
| 93 | return DebugFactory.CreateFile(TheCU.getFilename(), TheCU.getDirectory(), |
| 94 | TheCU); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 95 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 96 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 97 | |
| 98 | // Cache the results. |
| 99 | const char *fname = PLoc.getFilename(); |
| 100 | llvm::DenseMap<const char *, llvm::WeakVH>::iterator it = |
| 101 | DIFileCache.find(fname); |
| 102 | |
| 103 | if (it != DIFileCache.end()) { |
| 104 | // Verify that the information still exists. |
| 105 | if (&*it->second) |
| 106 | return llvm::DIFile(cast<llvm::MDNode>(it->second)); |
| 107 | } |
| 108 | |
| 109 | // FIXME: We shouldn't even need to call 'makeAbsolute()' in the cases |
| 110 | // where we can consult the FileEntry. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 111 | llvm::sys::Path AbsFileName(PLoc.getFilename()); |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 112 | AbsFileName.makeAbsolute(); |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 113 | |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 114 | llvm::DIFile F = DebugFactory.CreateFile(AbsFileName.getLast(), |
| 115 | AbsFileName.getDirname(), TheCU); |
| 116 | |
| 117 | DIFileCache[fname] = F.getNode(); |
| 118 | return F; |
| 119 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 120 | } |
| 121 | /// CreateCompileUnit - Create new compile unit. |
| 122 | void CGDebugInfo::CreateCompileUnit() { |
| 123 | |
| 124 | // Get absolute path name. |
Douglas Gregor | ac91b4c | 2010-03-18 23:46:43 +0000 | [diff] [blame] | 125 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 126 | std::string MainFileName = CGM.getCodeGenOpts().MainFileName; |
| 127 | if (MainFileName.empty()) |
Devang Patel | 22fe585 | 2010-03-12 21:04:27 +0000 | [diff] [blame] | 128 | MainFileName = "<unknown>"; |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 129 | |
Devang Patel | 22fe585 | 2010-03-12 21:04:27 +0000 | [diff] [blame] | 130 | llvm::sys::Path AbsFileName(MainFileName); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 131 | AbsFileName.makeAbsolute(); |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 132 | |
Douglas Gregor | f6728fc | 2010-03-22 21:28:29 +0000 | [diff] [blame] | 133 | // The main file name provided via the "-main-file-name" option contains just |
| 134 | // the file name itself with no path information. This file name may have had |
| 135 | // a relative path, so we look into the actual file entry for the main |
| 136 | // file to determine the real absolute path for the file. |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 137 | std::string MainFileDir; |
| 138 | if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) |
| 139 | MainFileDir = MainFile->getDir()->getName(); |
| 140 | else |
| 141 | MainFileDir = AbsFileName.getDirname(); |
| 142 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 143 | unsigned LangTag; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 144 | const LangOptions &LO = CGM.getLangOptions(); |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 145 | if (LO.CPlusPlus) { |
| 146 | if (LO.ObjC1) |
| 147 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 148 | else |
| 149 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 150 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 151 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 152 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 153 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 154 | } else { |
| 155 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 156 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 157 | |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 158 | const char *Producer = |
Mike Stump | d8945d6 | 2009-10-09 18:38:12 +0000 | [diff] [blame] | 159 | #ifdef CLANG_VENDOR |
| 160 | CLANG_VENDOR |
| 161 | #endif |
| 162 | "clang " CLANG_VERSION_STRING; |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 163 | |
| 164 | // Figure out which version of the ObjC runtime we have. |
| 165 | unsigned RuntimeVers = 0; |
| 166 | if (LO.ObjC1) |
| 167 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 168 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 169 | // Create new compile unit. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 170 | TheCU = DebugFactory.CreateCompileUnit( |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 171 | LangTag, AbsFileName.getLast(), MainFileDir, Producer, true, |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 172 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 173 | } |
| 174 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 175 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 176 | /// one if necessary. |
| 177 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 178 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 179 | unsigned Encoding = 0; |
| 180 | switch (BT->getKind()) { |
| 181 | default: |
| 182 | case BuiltinType::Void: |
| 183 | return llvm::DIType(); |
| 184 | case BuiltinType::UChar: |
| 185 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 186 | case BuiltinType::Char_S: |
| 187 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 188 | case BuiltinType::UShort: |
| 189 | case BuiltinType::UInt: |
| 190 | case BuiltinType::ULong: |
| 191 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 192 | case BuiltinType::Short: |
| 193 | case BuiltinType::Int: |
| 194 | case BuiltinType::Long: |
| 195 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 196 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 197 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 198 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 199 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 200 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 201 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 202 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 203 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 204 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 205 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 206 | llvm::DIType DbgTy = |
| 207 | DebugFactory.CreateBasicType(Unit, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 208 | BT->getName(CGM.getContext().getLangOptions()), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 209 | Unit, 0, Size, Align, |
| 210 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 211 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 212 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 213 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 214 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 215 | llvm::DIFile Unit) { |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 216 | // Bit size, align and offset of the type. |
| 217 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 218 | if (Ty->isComplexIntegerType()) |
| 219 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 220 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 221 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 222 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 223 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 224 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 225 | llvm::DIType DbgTy = |
| 226 | DebugFactory.CreateBasicType(Unit, "complex", |
| 227 | Unit, 0, Size, Align, |
| 228 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 229 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 230 | } |
| 231 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 232 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 233 | /// a new one if necessary. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 234 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 235 | QualifierCollector Qc; |
| 236 | const Type *T = Qc.strip(Ty); |
| 237 | |
| 238 | // Ignore these qualifiers for now. |
| 239 | Qc.removeObjCGCAttr(); |
| 240 | Qc.removeAddressSpace(); |
| 241 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 242 | // We will create one Derived type for one qualifier and recurse to handle any |
| 243 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 244 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 245 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 246 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 247 | Qc.removeConst(); |
| 248 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 249 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 250 | Qc.removeVolatile(); |
| 251 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 252 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 253 | Qc.removeRestrict(); |
| 254 | } else { |
| 255 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 256 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 257 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 258 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 259 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 260 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 261 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 262 | // CVR derived types. |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 263 | llvm::DIType DbgTy = |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 264 | DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 265 | 0, 0, 0, 0, 0, FromTy); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 266 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 267 | } |
| 268 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 269 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 270 | llvm::DIFile Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 271 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 272 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 273 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 274 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 275 | } |
| 276 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 277 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 278 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 279 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 280 | Ty->getPointeeType(), Unit); |
| 281 | } |
| 282 | |
| 283 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 284 | const Type *Ty, |
| 285 | QualType PointeeTy, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 286 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 287 | llvm::DIType EltTy = getOrCreateType(PointeeTy, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 288 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 289 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 290 | |
| 291 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 292 | // because that does not return the correct value for references. |
| 293 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 294 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 295 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 296 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 297 | return |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 298 | DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 299 | 0, Size, Align, 0, 0, EltTy); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 300 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 301 | } |
| 302 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 303 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 304 | llvm::DIFile Unit) { |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 305 | if (BlockLiteralGenericSet) |
| 306 | return BlockLiteralGeneric; |
| 307 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 308 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 309 | |
| 310 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 311 | |
| 312 | llvm::DIType FieldTy; |
| 313 | |
| 314 | QualType FType; |
| 315 | uint64_t FieldSize, FieldOffset; |
| 316 | unsigned FieldAlign; |
| 317 | |
| 318 | llvm::DIArray Elements; |
| 319 | llvm::DIType EltTy, DescTy; |
| 320 | |
| 321 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 322 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 323 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 324 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 325 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 326 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 327 | "reserved", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 328 | 0, FieldSize, FieldAlign, |
| 329 | FieldOffset, 0, FieldTy); |
| 330 | EltTys.push_back(FieldTy); |
| 331 | |
| 332 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 333 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 334 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 335 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 336 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 337 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 338 | "Size", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 339 | 0, FieldSize, FieldAlign, |
| 340 | FieldOffset, 0, FieldTy); |
| 341 | EltTys.push_back(FieldTy); |
| 342 | |
| 343 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 344 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 345 | EltTys.clear(); |
| 346 | |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 347 | unsigned Flags = llvm::DIType::FlagAppleBlock; |
| 348 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 349 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_descriptor", |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 350 | Unit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 351 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 352 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 353 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 354 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 355 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 356 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 357 | DescTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 358 | Unit, "", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 359 | 0, Size, Align, 0, 0, EltTy); |
| 360 | |
| 361 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 362 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 363 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 364 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 365 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 366 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 367 | "__isa", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 368 | 0, FieldSize, FieldAlign, |
| 369 | FieldOffset, 0, FieldTy); |
| 370 | EltTys.push_back(FieldTy); |
| 371 | |
| 372 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 373 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 374 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 375 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 376 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 377 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 378 | "__flags", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 379 | 0, FieldSize, FieldAlign, |
| 380 | FieldOffset, 0, FieldTy); |
| 381 | EltTys.push_back(FieldTy); |
| 382 | |
| 383 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 384 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 385 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 386 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 387 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 388 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 389 | "__reserved", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 390 | 0, FieldSize, FieldAlign, |
| 391 | FieldOffset, 0, FieldTy); |
| 392 | EltTys.push_back(FieldTy); |
| 393 | |
| 394 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 395 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 396 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 397 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 398 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 399 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 400 | "__FuncPtr", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 401 | 0, FieldSize, FieldAlign, |
| 402 | FieldOffset, 0, FieldTy); |
| 403 | EltTys.push_back(FieldTy); |
| 404 | |
| 405 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 406 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 407 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 408 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 409 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 410 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 411 | "__descriptor", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 412 | 0, FieldSize, FieldAlign, |
| 413 | FieldOffset, 0, FieldTy); |
| 414 | EltTys.push_back(FieldTy); |
| 415 | |
| 416 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 417 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 418 | |
| 419 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_literal_generic", |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 420 | Unit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 421 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 422 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 423 | BlockLiteralGenericSet = true; |
| 424 | BlockLiteralGeneric |
| 425 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 426 | "", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 427 | 0, Size, Align, 0, 0, EltTy); |
| 428 | return BlockLiteralGeneric; |
| 429 | } |
| 430 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 431 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 432 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 433 | // Typedefs are derived from some other type. If we have a typedef of a |
| 434 | // typedef, make sure to emit the whole chain. |
| 435 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 436 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 437 | // We don't set size information, but do specify where the typedef was |
| 438 | // declared. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 439 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 440 | PresumedLoc PLoc = SM.getPresumedLoc(Ty->getDecl()->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 441 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 442 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 443 | llvm::DIDescriptor TyContext |
| 444 | = getContextDescriptor(dyn_cast<Decl>(Ty->getDecl()->getDeclContext()), |
| 445 | Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 446 | llvm::DIType DbgTy = |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 447 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_typedef, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 448 | TyContext, |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 449 | Ty->getDecl()->getName(), Unit, |
| 450 | Line, 0, 0, 0, 0, Src); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 451 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 452 | } |
| 453 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 454 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 455 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 456 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 457 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 458 | // Add the result type at least. |
| 459 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 460 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 461 | // Set up remainder of arguments if there is a prototype. |
| 462 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 463 | if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 464 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 465 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
| 466 | } else { |
| 467 | // FIXME: Handle () case in C. llvm-gcc doesn't do it either. |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 468 | } |
| 469 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 470 | llvm::DIArray EltTypeArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 471 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 472 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 473 | llvm::DIType DbgTy = |
| 474 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 475 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 476 | 0, 0, 0, 0, 0, |
| 477 | llvm::DIType(), EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 478 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 479 | } |
| 480 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 481 | /// CollectRecordFields - A helper function to collect debug info for |
| 482 | /// record fields. This is used while creating debug info entry for a Record. |
| 483 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 484 | CollectRecordFields(const RecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 485 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
| 486 | unsigned FieldNo = 0; |
| 487 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 488 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 489 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 490 | E = RD->field_end(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 491 | I != E; ++I, ++FieldNo) { |
| 492 | FieldDecl *Field = *I; |
| 493 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 494 | |
| 495 | llvm::StringRef FieldName = Field->getName(); |
| 496 | |
Devang Patel | 4835fdd | 2010-02-12 01:31:06 +0000 | [diff] [blame] | 497 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 498 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 499 | continue; |
| 500 | |
| 501 | // Get the location for the field. |
| 502 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 503 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 504 | llvm::DIFile FieldDefUnit; |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 505 | unsigned FieldLine = 0; |
| 506 | |
| 507 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 508 | FieldDefUnit = getOrCreateFile(FieldDefLoc); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 509 | FieldLine = PLoc.getLine(); |
| 510 | } |
| 511 | |
| 512 | QualType FType = Field->getType(); |
| 513 | uint64_t FieldSize = 0; |
| 514 | unsigned FieldAlign = 0; |
| 515 | if (!FType->isIncompleteArrayType()) { |
| 516 | |
| 517 | // Bit size, align and offset of the type. |
| 518 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 519 | Expr *BitWidth = Field->getBitWidth(); |
| 520 | if (BitWidth) |
| 521 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
| 522 | |
| 523 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 524 | } |
| 525 | |
| 526 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 527 | |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame^] | 528 | unsigned Flags = 0; |
| 529 | AccessSpecifier Access = I->getAccess(); |
| 530 | if (Access == clang::AS_private) |
| 531 | Flags |= llvm::DIType::FlagPrivate; |
| 532 | else if (Access == clang::AS_protected) |
| 533 | Flags |= llvm::DIType::FlagProtected; |
| 534 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 535 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 536 | // struct. FIXME: This is an absolutely insane way to capture this |
| 537 | // information. When we gut debug info, this should be fixed. |
| 538 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 539 | FieldName, FieldDefUnit, |
| 540 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame^] | 541 | FieldOffset, Flags, FieldTy); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 542 | EltTys.push_back(FieldTy); |
| 543 | } |
| 544 | } |
| 545 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 546 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 547 | /// function type is not updated to include implicit "this" pointer. Use this |
| 548 | /// routine to get a method type which includes "this" pointer. |
| 549 | llvm::DIType |
| 550 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 551 | llvm::DIFile Unit) { |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 552 | llvm::DIType FnTy = getOrCreateType(Method->getType(), Unit); |
Devang Patel | d774d1e | 2010-01-28 21:43:50 +0000 | [diff] [blame] | 553 | |
| 554 | // Static methods do not need "this" pointer argument. |
| 555 | if (Method->isStatic()) |
| 556 | return FnTy; |
| 557 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 558 | // Add "this" pointer. |
| 559 | |
| 560 | llvm::DIArray Args = llvm::DICompositeType(FnTy.getNode()).getTypeArray(); |
| 561 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 562 | |
| 563 | llvm::SmallVector<llvm::DIDescriptor, 16> Elts; |
| 564 | |
| 565 | // First element is always return type. For 'void' functions it is NULL. |
| 566 | Elts.push_back(Args.getElement(0)); |
| 567 | |
| 568 | // "this" pointer is always first argument. |
| 569 | ASTContext &Context = CGM.getContext(); |
| 570 | QualType ThisPtr = |
| 571 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
Devang Patel | 337472d | 2010-02-09 17:57:50 +0000 | [diff] [blame] | 572 | llvm::DIType ThisPtrType = |
| 573 | DebugFactory.CreateArtificialType(getOrCreateType(ThisPtr, Unit)); |
| 574 | TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType.getNode(); |
| 575 | Elts.push_back(ThisPtrType); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 576 | |
| 577 | // Copy rest of the arguments. |
| 578 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 579 | Elts.push_back(Args.getElement(i)); |
| 580 | |
| 581 | llvm::DIArray EltTypeArray = |
| 582 | DebugFactory.GetOrCreateArray(Elts.data(), Elts.size()); |
| 583 | |
| 584 | return |
| 585 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 586 | Unit, "", Unit, |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 587 | 0, 0, 0, 0, 0, |
| 588 | llvm::DIType(), EltTypeArray); |
| 589 | } |
| 590 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 591 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 592 | /// a single member function GlobalDecl. |
| 593 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 594 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 595 | llvm::DIFile Unit, |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 596 | llvm::DICompositeType &RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 597 | bool IsCtorOrDtor = |
| 598 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 599 | |
| 600 | llvm::StringRef MethodName = getFunctionName(Method); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 601 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 602 | |
| 603 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 604 | // make sense to give a single ctor/dtor a linkage name. |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 605 | MangleBuffer MethodLinkageName; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 606 | if (!IsCtorOrDtor) |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 607 | CGM.getMangledName(MethodLinkageName, Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 608 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 609 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 610 | |
| 611 | // Get the location for the method. |
| 612 | SourceLocation MethodDefLoc = Method->getLocation(); |
| 613 | PresumedLoc PLoc = SM.getPresumedLoc(MethodDefLoc); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 614 | llvm::DIFile MethodDefUnit; |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 615 | unsigned MethodLine = 0; |
| 616 | |
| 617 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 618 | MethodDefUnit = getOrCreateFile(MethodDefLoc); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 619 | MethodLine = PLoc.getLine(); |
| 620 | } |
| 621 | |
| 622 | // Collect virtual method info. |
| 623 | llvm::DIType ContainingType; |
| 624 | unsigned Virtuality = 0; |
| 625 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 626 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 627 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 628 | if (Method->isPure()) |
| 629 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 630 | else |
| 631 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 632 | |
| 633 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 634 | // since a single destructor has two entries in the vtable. |
| 635 | if (!isa<CXXDestructorDecl>(Method)) |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 636 | VIndex = CGM.getVTables().getMethodVTableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 637 | ContainingType = RecordTy; |
| 638 | } |
| 639 | |
| 640 | llvm::DISubprogram SP = |
| 641 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 642 | MethodLinkageName, |
| 643 | MethodDefUnit, MethodLine, |
| 644 | MethodTy, /*isLocalToUnit=*/false, |
| 645 | Method->isThisDeclarationADefinition(), |
| 646 | Virtuality, VIndex, ContainingType); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 647 | |
| 648 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 649 | // a single ctor or dtor. |
| 650 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
| 651 | SPCache[Method] = llvm::WeakVH(SP.getNode()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 652 | |
| 653 | return SP; |
| 654 | } |
| 655 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 656 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 657 | /// C++ member functions.This is used while creating debug info entry for |
| 658 | /// a Record. |
| 659 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 660 | CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 661 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 662 | llvm::DICompositeType &RecordTy) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 663 | for(CXXRecordDecl::method_iterator I = RD->method_begin(), |
| 664 | E = RD->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 665 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 666 | |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 667 | if (Method->isImplicit() && !Method->isUsed()) |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 668 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 669 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 670 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 671 | } |
| 672 | } |
| 673 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 674 | /// CollectCXXBases - A helper function to collect debug info for |
| 675 | /// C++ base classes. This is used while creating debug info entry for |
| 676 | /// a Record. |
| 677 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 678 | CollectCXXBases(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 679 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 680 | llvm::DICompositeType &RecordTy) { |
| 681 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 682 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 683 | for (CXXRecordDecl::base_class_const_iterator BI = RD->bases_begin(), |
| 684 | BE = RD->bases_end(); BI != BE; ++BI) { |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 685 | unsigned BFlags = 0; |
| 686 | uint64_t BaseOffset; |
| 687 | |
| 688 | const CXXRecordDecl *Base = |
| 689 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 690 | |
| 691 | if (BI->isVirtual()) { |
Anders Carlsson | bba1607 | 2010-03-11 07:15:17 +0000 | [diff] [blame] | 692 | // virtual base offset offset is -ve. The code generator emits dwarf |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 693 | // expression where it expects +ve number. |
Anders Carlsson | af44035 | 2010-03-23 04:11:45 +0000 | [diff] [blame] | 694 | BaseOffset = 0 - CGM.getVTables().getVirtualBaseOffsetOffset(RD, Base); |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 695 | BFlags = llvm::DIType::FlagVirtual; |
| 696 | } else |
| 697 | BaseOffset = RL.getBaseClassOffset(Base); |
| 698 | |
| 699 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 700 | if (Access == clang::AS_private) |
| 701 | BFlags |= llvm::DIType::FlagPrivate; |
| 702 | else if (Access == clang::AS_protected) |
| 703 | BFlags |= llvm::DIType::FlagProtected; |
| 704 | |
| 705 | llvm::DIType DTy = |
| 706 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 707 | RecordTy, llvm::StringRef(), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 708 | Unit, 0, 0, 0, |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 709 | BaseOffset, BFlags, |
| 710 | getOrCreateType(BI->getType(), |
| 711 | Unit)); |
| 712 | EltTys.push_back(DTy); |
| 713 | } |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 714 | } |
| 715 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 716 | /// getOrCreateVTablePtrType - Return debug info descriptor for vtable. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 717 | llvm::DIType CGDebugInfo::getOrCreateVTablePtrType(llvm::DIFile Unit) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 718 | if (VTablePtrType.isValid()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 719 | return VTablePtrType; |
| 720 | |
| 721 | ASTContext &Context = CGM.getContext(); |
| 722 | |
| 723 | /* Function type */ |
Benjamin Kramer | ad46886 | 2010-03-30 11:36:44 +0000 | [diff] [blame] | 724 | llvm::DIDescriptor STy = getOrCreateType(Context.IntTy, Unit); |
| 725 | llvm::DIArray SElements = DebugFactory.GetOrCreateArray(&STy, 1); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 726 | llvm::DIType SubTy = |
| 727 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 728 | Unit, "", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 729 | 0, 0, 0, 0, 0, llvm::DIType(), SElements); |
| 730 | |
| 731 | unsigned Size = Context.getTypeSize(Context.VoidPtrTy); |
| 732 | llvm::DIType vtbl_ptr_type |
| 733 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 734 | Unit, "__vtbl_ptr_type", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 735 | 0, Size, 0, 0, 0, SubTy); |
| 736 | |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 737 | VTablePtrType = |
| 738 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 739 | Unit, "", Unit, |
| 740 | 0, Size, 0, 0, 0, vtbl_ptr_type); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 741 | return VTablePtrType; |
| 742 | } |
| 743 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 744 | /// getVTableName - Get vtable name for the given Class. |
| 745 | llvm::StringRef CGDebugInfo::getVTableName(const CXXRecordDecl *RD) { |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 746 | // Otherwise construct gdb compatible name name. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 747 | std::string Name = "_vptr$" + RD->getNameAsString(); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 748 | |
| 749 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 750 | char *StrPtr = DebugInfoNames.Allocate<char>(Name.length()); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 751 | memcpy(StrPtr, Name.data(), Name.length()); |
| 752 | return llvm::StringRef(StrPtr, Name.length()); |
| 753 | } |
| 754 | |
| 755 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 756 | /// CollectVTableInfo - If the C++ class has vtable info then insert appropriate |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 757 | /// debug info entry in EltTys vector. |
| 758 | void CGDebugInfo:: |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 759 | CollectVTableInfo(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 760 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 761 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 762 | |
| 763 | // If there is a primary base then it will hold vtable info. |
| 764 | if (RL.getPrimaryBase()) |
| 765 | return; |
| 766 | |
| 767 | // If this class is not dynamic then there is not any vtable info to collect. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 768 | if (!RD->isDynamicClass()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 769 | return; |
| 770 | |
| 771 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 772 | llvm::DIType VPTR |
| 773 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 774 | getVTableName(RD), Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 775 | 0, Size, 0, 0, 0, |
| 776 | getOrCreateVTablePtrType(Unit)); |
| 777 | EltTys.push_back(VPTR); |
| 778 | } |
| 779 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 780 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 781 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 782 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 783 | RecordDecl *RD = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 784 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 785 | unsigned Tag; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 786 | if (RD->isStruct()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 787 | Tag = llvm::dwarf::DW_TAG_structure_type; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 788 | else if (RD->isUnion()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 789 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 790 | else { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 791 | assert(RD->isClass() && "Unknown RecordType!"); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 792 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 793 | } |
| 794 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 795 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 796 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 797 | // Get overall information about the record type for the debug info. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 798 | PresumedLoc PLoc = SM.getPresumedLoc(RD->getLocation()); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 799 | llvm::DIFile DefUnit; |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 800 | unsigned Line = 0; |
| 801 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 802 | DefUnit = getOrCreateFile(RD->getLocation()); |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 803 | Line = PLoc.getLine(); |
| 804 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 805 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 806 | // Records and classes and unions can all be recursive. To handle them, we |
| 807 | // first generate a debug descriptor for the struct as a forward declaration. |
| 808 | // Then (if it is a definition) we go through and get debug info for all of |
| 809 | // its members. Finally, we create a descriptor for the complete type (which |
| 810 | // may refer to the forward decl if the struct is recursive) and replace all |
| 811 | // uses of the forward declaration with the final definition. |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 812 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 813 | // A RD->getName() is not unique. However, the debug info descriptors |
Devang Patel | ce78c97 | 2010-02-01 22:51:29 +0000 | [diff] [blame] | 814 | // are uniqued so use type name to ensure uniquness. |
Benjamin Kramer | fea3d4d | 2010-03-13 12:06:51 +0000 | [diff] [blame] | 815 | llvm::SmallString<128> FwdDeclName; |
| 816 | llvm::raw_svector_ostream(FwdDeclName) << "fwd.type." << FwdDeclCount++; |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 817 | llvm::DIDescriptor FDContext = |
| 818 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 819 | llvm::DICompositeType FwdDecl = |
Devang Patel | 7573f8b | 2010-03-09 21:32:27 +0000 | [diff] [blame] | 820 | DebugFactory.CreateCompositeType(Tag, FDContext, FwdDeclName, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 821 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 822 | llvm::DIType(), llvm::DIArray()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 823 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 824 | // If this is just a forward declaration, return it. |
Douglas Gregor | 952b017 | 2010-02-11 01:04:33 +0000 | [diff] [blame] | 825 | if (!RD->getDefinition()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 826 | return FwdDecl; |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 827 | |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 828 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 829 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 830 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 831 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 832 | // Push the struct on region stack. |
| 833 | RegionStack.push_back(FwdDecl.getNode()); |
| 834 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl.getNode()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 835 | |
| 836 | // Convert all the elements. |
| 837 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 838 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 839 | const CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(RD); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 840 | if (CXXDecl) { |
| 841 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 842 | CollectVTableInfo(CXXDecl, Unit, EltTys); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 843 | } |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 844 | CollectRecordFields(RD, Unit, EltTys); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 845 | llvm::MDNode *ContainingType = NULL; |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 846 | if (CXXDecl) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 847 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 848 | |
| 849 | // A class's primary base or the class itself contains the vtable. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 850 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 851 | if (const CXXRecordDecl *PBase = RL.getPrimaryBase()) |
| 852 | ContainingType = |
| 853 | getOrCreateType(QualType(PBase->getTypeForDecl(), 0), Unit).getNode(); |
| 854 | else if (CXXDecl->isDynamicClass()) |
| 855 | ContainingType = FwdDecl.getNode(); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 856 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 857 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 858 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 859 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 860 | |
| 861 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 862 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 863 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 864 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 865 | RegionStack.pop_back(); |
| 866 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 867 | RegionMap.find(Ty->getDecl()); |
| 868 | if (RI != RegionMap.end()) |
| 869 | RegionMap.erase(RI); |
| 870 | |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 871 | llvm::DIDescriptor RDContext = |
| 872 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 873 | llvm::DICompositeType RealDecl = |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 874 | DebugFactory.CreateCompositeType(Tag, RDContext, |
| 875 | RD->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 876 | DefUnit, Line, Size, Align, 0, 0, |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 877 | llvm::DIType(), Elements, |
| 878 | 0, ContainingType); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 879 | |
| 880 | // Now that we have a real decl for the struct, replace anything using the |
| 881 | // old decl with the new one. This will recursively update the debug info. |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 882 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 883 | RegionMap[RD] = llvm::WeakVH(RealDecl.getNode()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 884 | return RealDecl; |
| 885 | } |
| 886 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 887 | /// CreateType - get objective-c interface type. |
| 888 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 889 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 890 | ObjCInterfaceDecl *ID = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 891 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 892 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 893 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 894 | |
| 895 | // Get overall information about the record type for the debug info. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 896 | llvm::DIFile DefUnit = getOrCreateFile(ID->getLocation()); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 897 | PresumedLoc PLoc = SM.getPresumedLoc(ID->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 898 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 899 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 900 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 901 | unsigned RuntimeLang = TheCU.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 902 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 903 | // To handle recursive interface, we |
| 904 | // first generate a debug descriptor for the struct as a forward declaration. |
| 905 | // Then (if it is a definition) we go through and get debug info for all of |
| 906 | // its members. Finally, we create a descriptor for the complete type (which |
| 907 | // may refer to the forward decl if the struct is recursive) and replace all |
| 908 | // uses of the forward declaration with the final definition. |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 909 | llvm::DICompositeType FwdDecl = |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 910 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 911 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 912 | llvm::DIType(), llvm::DIArray(), |
| 913 | RuntimeLang); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 914 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 915 | // If this is just a forward declaration, return it. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 916 | if (ID->isForwardDecl()) |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 917 | return FwdDecl; |
| 918 | |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 919 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 920 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 921 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 922 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 923 | // Push the struct on region stack. |
| 924 | RegionStack.push_back(FwdDecl.getNode()); |
| 925 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl.getNode()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 926 | |
| 927 | // Convert all the elements. |
| 928 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 929 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 930 | ObjCInterfaceDecl *SClass = ID->getSuperClass(); |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 931 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 932 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 933 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 934 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 935 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 936 | Unit, "", Unit, 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 937 | 0 /* offset */, 0, SClassTy); |
| 938 | EltTys.push_back(InhTag); |
| 939 | } |
| 940 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 941 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 942 | |
| 943 | unsigned FieldNo = 0; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 944 | for (ObjCInterfaceDecl::ivar_iterator I = ID->ivar_begin(), |
| 945 | E = ID->ivar_end(); I != E; ++I, ++FieldNo) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 946 | ObjCIvarDecl *Field = *I; |
| 947 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 948 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 949 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 950 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 951 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 952 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 953 | continue; |
| 954 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 955 | // Get the location for the field. |
| 956 | SourceLocation FieldDefLoc = Field->getLocation(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 957 | llvm::DIFile FieldDefUnit = getOrCreateFile(FieldDefLoc); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 958 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 959 | unsigned FieldLine = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 960 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 961 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 962 | QualType FType = Field->getType(); |
| 963 | uint64_t FieldSize = 0; |
| 964 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 965 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 966 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 967 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 968 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 969 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 970 | Expr *BitWidth = Field->getBitWidth(); |
| 971 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 972 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 973 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 974 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 975 | } |
| 976 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 977 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 978 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 979 | unsigned Flags = 0; |
| 980 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
| 981 | Flags = llvm::DIType::FlagProtected; |
| 982 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
| 983 | Flags = llvm::DIType::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 984 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 985 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 986 | // struct. FIXME: This is an absolutely insane way to capture this |
| 987 | // information. When we gut debug info, this should be fixed. |
| 988 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 989 | FieldName, FieldDefUnit, |
| 990 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 991 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 992 | EltTys.push_back(FieldTy); |
| 993 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 994 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 995 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 996 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 997 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 998 | RegionStack.pop_back(); |
| 999 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 1000 | RegionMap.find(Ty->getDecl()); |
| 1001 | if (RI != RegionMap.end()) |
| 1002 | RegionMap.erase(RI); |
| 1003 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1004 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1005 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1006 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1007 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 1008 | llvm::DICompositeType RealDecl = |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1009 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 1010 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 1011 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1012 | |
| 1013 | // Now that we have a real decl for the struct, replace anything using the |
| 1014 | // old decl with the new one. This will recursively update the debug info. |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 1015 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1016 | RegionMap[ID] = llvm::WeakVH(RealDecl.getNode()); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 1017 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1018 | return RealDecl; |
| 1019 | } |
| 1020 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1021 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1022 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1023 | EnumDecl *ED = Ty->getDecl(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1024 | |
| 1025 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 1026 | |
| 1027 | // Create DIEnumerator elements for each enumerator. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1028 | for (EnumDecl::enumerator_iterator |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1029 | Enum = ED->enumerator_begin(), EnumEnd = ED->enumerator_end(); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 1030 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1031 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 1032 | Enum->getInitVal().getZExtValue())); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1033 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1034 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1035 | // Return a CompositeType for the enum itself. |
| 1036 | llvm::DIArray EltArray = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 1037 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1038 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1039 | SourceLocation DefLoc = ED->getLocation(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1040 | llvm::DIFile DefUnit = getOrCreateFile(DefLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1041 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1042 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 1043 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 1044 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1045 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1046 | // Size and align of the type. |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 1047 | uint64_t Size = 0; |
| 1048 | unsigned Align = 0; |
| 1049 | if (!Ty->isIncompleteType()) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1050 | Size = CGM.getContext().getTypeSize(Ty); |
| 1051 | Align = CGM.getContext().getTypeAlign(Ty); |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 1052 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1053 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1054 | llvm::DIType DbgTy = |
| 1055 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1056 | Unit, ED->getName(), DefUnit, Line, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1057 | Size, Align, 0, 0, |
| 1058 | llvm::DIType(), EltArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1059 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1060 | } |
| 1061 | |
| 1062 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1063 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1064 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 1065 | return CreateType(RT, Unit); |
| 1066 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 1067 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1068 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1069 | return llvm::DIType(); |
| 1070 | } |
| 1071 | |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1072 | llvm::DIType CGDebugInfo::CreateType(const VectorType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1073 | llvm::DIFile Unit) { |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1074 | llvm::DIType ElementTy = getOrCreateType(Ty->getElementType(), Unit); |
| 1075 | uint64_t NumElems = Ty->getNumElements(); |
| 1076 | if (NumElems > 0) |
| 1077 | --NumElems; |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1078 | |
Benjamin Kramer | ad46886 | 2010-03-30 11:36:44 +0000 | [diff] [blame] | 1079 | llvm::DIDescriptor Subscript = DebugFactory.GetOrCreateSubrange(0, NumElems); |
| 1080 | llvm::DIArray SubscriptArray = DebugFactory.GetOrCreateArray(&Subscript, 1); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1081 | |
| 1082 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1083 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
| 1084 | |
| 1085 | return |
| 1086 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_vector_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1087 | Unit, "", Unit, |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1088 | 0, Size, Align, 0, 0, |
| 1089 | ElementTy, SubscriptArray); |
| 1090 | } |
| 1091 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1092 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1093 | llvm::DIFile Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1094 | uint64_t Size; |
| 1095 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1096 | |
| 1097 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1098 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1099 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1100 | Size = 0; |
| 1101 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1102 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1103 | } else if (Ty->isIncompleteArrayType()) { |
| 1104 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1105 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1106 | } else { |
| 1107 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1108 | Size = CGM.getContext().getTypeSize(Ty); |
| 1109 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1110 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1111 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1112 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 1113 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 1114 | // obvious/recursive way? |
| 1115 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 1116 | QualType EltTy(Ty, 0); |
| 1117 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1118 | uint64_t Upper = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1119 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
Devang Patel | 5a6bfe3 | 2009-08-14 20:57:45 +0000 | [diff] [blame] | 1120 | if (CAT->getSize().getZExtValue()) |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1121 | Upper = CAT->getSize().getZExtValue() - 1; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1122 | // FIXME: Verify this is right for VLAs. |
| 1123 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 1124 | EltTy = Ty->getElementType(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1125 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1126 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1127 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 1128 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1129 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1130 | llvm::DIType DbgTy = |
| 1131 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1132 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1133 | 0, Size, Align, 0, 0, |
| 1134 | getOrCreateType(EltTy, Unit), |
| 1135 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1136 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1137 | } |
| 1138 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1139 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1140 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1141 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 1142 | Ty, Ty->getPointeeType(), Unit); |
| 1143 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1144 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1145 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1146 | llvm::DIFile U) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1147 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 1148 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 1149 | |
| 1150 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 1151 | // We have a data member pointer type. |
| 1152 | return PointerDiffDITy; |
| 1153 | } |
| 1154 | |
| 1155 | // We have a member function pointer type. Treat it as a struct with two |
| 1156 | // ptrdiff_t members. |
| 1157 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1158 | |
| 1159 | uint64_t FieldOffset = 0; |
| 1160 | llvm::DIDescriptor ElementTypes[2]; |
| 1161 | |
| 1162 | // FIXME: This should probably be a function type instead. |
| 1163 | ElementTypes[0] = |
| 1164 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1165 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1166 | Info.first, Info.second, FieldOffset, 0, |
| 1167 | PointerDiffDITy); |
| 1168 | FieldOffset += Info.first; |
| 1169 | |
| 1170 | ElementTypes[1] = |
| 1171 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1172 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1173 | Info.first, Info.second, FieldOffset, 0, |
| 1174 | PointerDiffDITy); |
| 1175 | |
| 1176 | llvm::DIArray Elements = |
| 1177 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 1178 | llvm::array_lengthof(ElementTypes)); |
| 1179 | |
| 1180 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 1181 | U, llvm::StringRef("test"), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1182 | U, 0, FieldOffset, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1183 | 0, 0, 0, llvm::DIType(), Elements); |
| 1184 | } |
| 1185 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1186 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1187 | do { |
| 1188 | QualType LastT = T; |
| 1189 | switch (T->getTypeClass()) { |
| 1190 | default: |
| 1191 | return T; |
| 1192 | case Type::TemplateSpecialization: |
| 1193 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1194 | break; |
| 1195 | case Type::TypeOfExpr: { |
| 1196 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1197 | T = Ty->getUnderlyingExpr()->getType(); |
| 1198 | break; |
| 1199 | } |
| 1200 | case Type::TypeOf: |
| 1201 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1202 | break; |
| 1203 | case Type::Decltype: |
| 1204 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1205 | break; |
| 1206 | case Type::QualifiedName: |
| 1207 | T = cast<QualifiedNameType>(T)->getNamedType(); |
| 1208 | break; |
| 1209 | case Type::SubstTemplateTypeParm: |
| 1210 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1211 | break; |
| 1212 | case Type::Elaborated: |
| 1213 | T = cast<ElaboratedType>(T)->getUnderlyingType(); |
| 1214 | break; |
| 1215 | } |
| 1216 | |
| 1217 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1218 | if (T == LastT) |
| 1219 | return T; |
| 1220 | } while (true); |
| 1221 | |
| 1222 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1223 | } |
| 1224 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1225 | /// getOrCreateType - Get the type from the cache or create a new |
| 1226 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1227 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1228 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1229 | if (Ty.isNull()) |
| 1230 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1231 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1232 | // Unwrap the type as needed for debug information. |
| 1233 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1234 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1235 | // Check for existing entry. |
Ted Kremenek | 590838b | 2010-03-29 18:29:57 +0000 | [diff] [blame] | 1236 | llvm::DenseMap<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1237 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1238 | if (it != TypeCache.end()) { |
| 1239 | // Verify that the debug info still exists. |
| 1240 | if (&*it->second) |
| 1241 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1242 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1243 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1244 | // Otherwise create the type. |
| 1245 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1246 | |
| 1247 | // And update the type cache. |
| 1248 | TypeCache[Ty.getAsOpaquePtr()] = Res.getNode(); |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1249 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1252 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1253 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1254 | llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1255 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1256 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1257 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1258 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1259 | const char *Diag = 0; |
| 1260 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1261 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1262 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1263 | #define TYPE(Class, Base) |
| 1264 | #define ABSTRACT_TYPE(Class, Base) |
| 1265 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1266 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1267 | #include "clang/AST/TypeNodes.def" |
| 1268 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1269 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1270 | // FIXME: Handle these. |
| 1271 | case Type::ExtVector: |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1272 | return llvm::DIType(); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1273 | |
| 1274 | case Type::Vector: |
| 1275 | return CreateType(cast<VectorType>(Ty), Unit); |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1276 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1277 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1278 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1279 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1280 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1281 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1282 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1283 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1284 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1285 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1286 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1287 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1288 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1289 | case Type::FunctionProto: |
| 1290 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1291 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1292 | case Type::ConstantArray: |
| 1293 | case Type::VariableArray: |
| 1294 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1295 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1296 | |
| 1297 | case Type::LValueReference: |
| 1298 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1299 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1300 | case Type::MemberPointer: |
| 1301 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1302 | |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 1303 | case Type::InjectedClassName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1304 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1305 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1306 | case Type::QualifiedName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1307 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1308 | case Type::TypeOfExpr: |
| 1309 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1310 | case Type::Decltype: |
| 1311 | llvm_unreachable("type should have been unwrapped!"); |
| 1312 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1313 | |
| 1314 | case Type::RValueReference: |
| 1315 | // FIXME: Implement! |
| 1316 | Diag = "rvalue references"; |
| 1317 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1318 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1319 | |
| 1320 | assert(Diag && "Fall through without a diagnostic?"); |
| 1321 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1322 | "debug information for %0 is not yet supported"); |
| 1323 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1324 | << Diag; |
| 1325 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1326 | } |
| 1327 | |
| 1328 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1329 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1330 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1331 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1332 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1333 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1334 | llvm::StringRef Name; |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 1335 | MangleBuffer LinkageName; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1336 | |
| 1337 | const Decl *D = GD.getDecl(); |
| 1338 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1339 | // If there is a DISubprogram for this function available then use it. |
| 1340 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1341 | FI = SPCache.find(FD); |
| 1342 | if (FI != SPCache.end()) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 1343 | llvm::DIDescriptor SP(dyn_cast_or_null<llvm::MDNode>(FI->second)); |
| 1344 | if (SP.isSubprogram() && llvm::DISubprogram(SP.getNode()).isDefinition()) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1345 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1346 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1347 | return; |
| 1348 | } |
| 1349 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1350 | Name = getFunctionName(FD); |
Eli Friedman | 3364e62 | 2010-01-16 00:43:13 +0000 | [diff] [blame] | 1351 | if (!Name.empty() && Name[0] == '\01') |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1352 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1353 | // Use mangled name as linkage name for c/c++ functions. |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 1354 | CGM.getMangledName(LinkageName, GD); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1355 | } else { |
| 1356 | // Use llvm function name as linkage name. |
| 1357 | Name = Fn->getName(); |
John McCall | f746aa6 | 2010-03-19 23:29:14 +0000 | [diff] [blame] | 1358 | LinkageName.setString(Name); |
Devang Patel | 1758420 | 2010-01-19 00:25:12 +0000 | [diff] [blame] | 1359 | if (!Name.empty() && Name[0] == '\01') |
| 1360 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1361 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1362 | |
Devang Patel | 98a200b | 2010-01-14 18:06:13 +0000 | [diff] [blame] | 1363 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1364 | // Usually, CurLoc points to the left bracket location of compound |
| 1365 | // statement representing function body. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1366 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1367 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1368 | unsigned LineNo = SM.getPresumedLoc(CurLoc).getLine(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1369 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1370 | llvm::DISubprogram SP = |
Devang Patel | 6dba432 | 2009-07-14 21:31:22 +0000 | [diff] [blame] | 1371 | DebugFactory.CreateSubprogram(Unit, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1372 | getOrCreateType(FnType, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1373 | Fn->hasInternalLinkage(), true/*definition*/); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1374 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1375 | // Push function on region stack. |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1376 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1377 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1378 | } |
| 1379 | |
| 1380 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1381 | void CGDebugInfo::EmitStopPoint(llvm::Function *Fn, CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1382 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1383 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1384 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1385 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1386 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1387 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1388 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1389 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
Devang Patel | 4800ea6 | 2010-04-05 21:09:15 +0000 | [diff] [blame] | 1390 | // New Builder may not be in sync with CGDebugInfo. |
| 1391 | if (!Builder.getCurrentDebugLocation().isUnknown()) |
| 1392 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1393 | |
| 1394 | // Update last state. |
| 1395 | PrevLoc = CurLoc; |
| 1396 | |
| 1397 | // Get the appropriate compile unit. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1398 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1399 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1400 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1401 | llvm::MDNode *Scope = RegionStack.back(); |
Chris Lattner | e541d01 | 2010-04-02 20:21:43 +0000 | [diff] [blame] | 1402 | Builder.SetCurrentDebugLocation(llvm::DebugLoc::get(PLoc.getLine(), |
| 1403 | PLoc.getColumn(), |
| 1404 | Scope)); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1405 | } |
| 1406 | |
| 1407 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1408 | /// region - "llvm.dbg.region.start.". |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1409 | void CGDebugInfo::EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder) { |
Devang Patel | d19429f | 2010-02-16 21:41:20 +0000 | [diff] [blame] | 1410 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1411 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1412 | llvm::DIDescriptor D = |
| 1413 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1414 | llvm::DIDescriptor() : |
Devang Patel | d19429f | 2010-02-16 21:41:20 +0000 | [diff] [blame] | 1415 | llvm::DIDescriptor(RegionStack.back()), |
| 1416 | PLoc.getLine(), PLoc.getColumn()); |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1417 | RegionStack.push_back(D.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1418 | } |
| 1419 | |
| 1420 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1421 | /// region - "llvm.dbg.region.end." |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1422 | void CGDebugInfo::EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1423 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1424 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1425 | // Provide an region stop point. |
| 1426 | EmitStopPoint(Fn, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1427 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1428 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1429 | } |
| 1430 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1431 | // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref. |
| 1432 | // See BuildByRefType. |
| 1433 | llvm::DIType CGDebugInfo::EmitTypeForVarWithBlocksAttr(const ValueDecl *VD, |
| 1434 | uint64_t *XOffset) { |
| 1435 | |
| 1436 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1437 | |
| 1438 | QualType FType; |
| 1439 | uint64_t FieldSize, FieldOffset; |
| 1440 | unsigned FieldAlign; |
| 1441 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1442 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1443 | QualType Type = VD->getType(); |
| 1444 | |
| 1445 | FieldOffset = 0; |
| 1446 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1447 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1448 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1449 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1450 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1451 | "__isa", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1452 | 0, FieldSize, FieldAlign, |
| 1453 | FieldOffset, 0, FieldTy); |
| 1454 | EltTys.push_back(FieldTy); |
| 1455 | FieldOffset += FieldSize; |
| 1456 | |
| 1457 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1458 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1459 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1460 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1461 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1462 | "__forwarding", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1463 | 0, FieldSize, FieldAlign, |
| 1464 | FieldOffset, 0, FieldTy); |
| 1465 | EltTys.push_back(FieldTy); |
| 1466 | FieldOffset += FieldSize; |
| 1467 | |
| 1468 | FType = CGM.getContext().IntTy; |
| 1469 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1470 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1471 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1472 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1473 | "__flags", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1474 | 0, FieldSize, FieldAlign, |
| 1475 | FieldOffset, 0, FieldTy); |
| 1476 | EltTys.push_back(FieldTy); |
| 1477 | FieldOffset += FieldSize; |
| 1478 | |
| 1479 | FType = CGM.getContext().IntTy; |
| 1480 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1481 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1482 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1483 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1484 | "__size", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1485 | 0, FieldSize, FieldAlign, |
| 1486 | FieldOffset, 0, FieldTy); |
| 1487 | EltTys.push_back(FieldTy); |
| 1488 | FieldOffset += FieldSize; |
| 1489 | |
| 1490 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
| 1491 | if (HasCopyAndDispose) { |
| 1492 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1493 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1494 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1495 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1496 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1497 | "__copy_helper", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1498 | 0, FieldSize, FieldAlign, |
| 1499 | FieldOffset, 0, FieldTy); |
| 1500 | EltTys.push_back(FieldTy); |
| 1501 | FieldOffset += FieldSize; |
| 1502 | |
| 1503 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1504 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1505 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1506 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1507 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1508 | "__destroy_helper", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1509 | 0, FieldSize, FieldAlign, |
| 1510 | FieldOffset, 0, FieldTy); |
| 1511 | EltTys.push_back(FieldTy); |
| 1512 | FieldOffset += FieldSize; |
| 1513 | } |
| 1514 | |
| 1515 | CharUnits Align = CGM.getContext().getDeclAlign(VD); |
| 1516 | if (Align > CharUnits::fromQuantity( |
| 1517 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
| 1518 | unsigned AlignedOffsetInBytes |
| 1519 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
| 1520 | unsigned NumPaddingBytes |
| 1521 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1522 | |
| 1523 | if (NumPaddingBytes > 0) { |
| 1524 | llvm::APInt pad(32, NumPaddingBytes); |
| 1525 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
| 1526 | pad, ArrayType::Normal, 0); |
| 1527 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1528 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1529 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1530 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1531 | Unit, "", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1532 | 0, FieldSize, FieldAlign, |
| 1533 | FieldOffset, 0, FieldTy); |
| 1534 | EltTys.push_back(FieldTy); |
| 1535 | FieldOffset += FieldSize; |
| 1536 | } |
| 1537 | } |
| 1538 | |
| 1539 | FType = Type; |
| 1540 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1541 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1542 | FieldAlign = Align.getQuantity()*8; |
| 1543 | |
| 1544 | *XOffset = FieldOffset; |
| 1545 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1546 | VD->getName(), Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1547 | 0, FieldSize, FieldAlign, |
| 1548 | FieldOffset, 0, FieldTy); |
| 1549 | EltTys.push_back(FieldTy); |
| 1550 | FieldOffset += FieldSize; |
| 1551 | |
| 1552 | llvm::DIArray Elements = |
| 1553 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1554 | |
| 1555 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1556 | |
| 1557 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1558 | Unit, "", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1559 | 0, FieldOffset, 0, 0, Flags, |
| 1560 | llvm::DIType(), Elements); |
| 1561 | |
| 1562 | } |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1563 | /// EmitDeclare - Emit local variable declaration debug info. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1564 | void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1565 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1566 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1567 | |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1568 | // Do not emit variable debug information while generating optimized code. |
| 1569 | // The llvm optimizer and code generator are not yet ready to support |
| 1570 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1571 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1572 | if (CGO.OptimizationLevel) |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1573 | return; |
| 1574 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1575 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1576 | llvm::DIType Ty; |
| 1577 | uint64_t XOffset = 0; |
| 1578 | if (VD->hasAttr<BlocksAttr>()) |
| 1579 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1580 | else |
| 1581 | Ty = getOrCreateType(VD->getType(), Unit); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1582 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1583 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1584 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1585 | PresumedLoc PLoc = SM.getPresumedLoc(VD->getLocation()); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1586 | unsigned Line = 0; |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1587 | unsigned Column = 0; |
Devang Patel | d263e7b | 2010-02-10 01:09:50 +0000 | [diff] [blame] | 1588 | if (PLoc.isInvalid()) |
| 1589 | PLoc = SM.getPresumedLoc(CurLoc); |
| 1590 | if (PLoc.isValid()) { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1591 | Line = PLoc.getLine(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1592 | Column = PLoc.getColumn(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1593 | Unit = getOrCreateFile(CurLoc); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1594 | } else { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1595 | Unit = llvm::DIFile(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1596 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1597 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1598 | // Create the descriptor for the variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1599 | llvm::DIVariable D = |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1600 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1601 | VD->getName(), |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1602 | Unit, Line, Ty); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1603 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1604 | llvm::Instruction *Call = |
Devang Patel | a020380 | 2009-11-10 23:07:24 +0000 | [diff] [blame] | 1605 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1606 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1607 | llvm::MDNode *Scope = RegionStack.back(); |
Chris Lattner | e541d01 | 2010-04-02 20:21:43 +0000 | [diff] [blame] | 1608 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1609 | } |
| 1610 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1611 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1612 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1613 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1614 | CodeGenFunction *CGF) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1615 | const ValueDecl *VD = BDRE->getDecl(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1616 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1617 | |
| 1618 | // Do not emit variable debug information while generating optimized code. |
| 1619 | // The llvm optimizer and code generator are not yet ready to support |
| 1620 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1621 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1622 | if (CGO.OptimizationLevel || Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1623 | return; |
| 1624 | |
| 1625 | uint64_t XOffset = 0; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1626 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1627 | llvm::DIType Ty; |
| 1628 | if (VD->hasAttr<BlocksAttr>()) |
| 1629 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1630 | else |
| 1631 | Ty = getOrCreateType(VD->getType(), Unit); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1632 | |
| 1633 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1634 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1635 | PresumedLoc PLoc = SM.getPresumedLoc(VD->getLocation()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1636 | unsigned Line = 0; |
| 1637 | if (!PLoc.isInvalid()) |
| 1638 | Line = PLoc.getLine(); |
| 1639 | else |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1640 | Unit = llvm::DIFile(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1641 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1642 | CharUnits offset = CGF->BlockDecls[VD]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1643 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1644 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1645 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1646 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1647 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1648 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1649 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1650 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1651 | // offset of __forwarding field |
| 1652 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1653 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1654 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1655 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1656 | // offset of x field |
| 1657 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1658 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1659 | } |
| 1660 | |
| 1661 | // Create the descriptor for the variable. |
| 1662 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1663 | DebugFactory.CreateComplexVariable(Tag, |
| 1664 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1665 | VD->getName(), Unit, Line, Ty, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1666 | addr); |
| 1667 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1668 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1669 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1670 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1671 | llvm::MDNode *Scope = RegionStack.back(); |
Chris Lattner | e541d01 | 2010-04-02 20:21:43 +0000 | [diff] [blame] | 1672 | Call->setDebugLoc(llvm::DebugLoc::get(Line, PLoc.getColumn(), Scope)); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1675 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *VD, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1676 | llvm::Value *Storage, |
| 1677 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1678 | EmitDeclare(VD, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1679 | } |
| 1680 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1681 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1682 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1683 | CodeGenFunction *CGF) { |
| 1684 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1685 | } |
| 1686 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1687 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1688 | /// variable declaration. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1689 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *VD, llvm::Value *AI, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1690 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1691 | EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1692 | } |
| 1693 | |
| 1694 | |
| 1695 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1696 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1697 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1698 | const VarDecl *D) { |
| 1699 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1700 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1701 | llvm::DIFile Unit = getOrCreateFile(D->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1702 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1703 | PresumedLoc PLoc = SM.getPresumedLoc(D->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1704 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1705 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1706 | QualType T = D->getType(); |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1707 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1708 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1709 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1710 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1711 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1712 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1713 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1714 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1715 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1716 | ArrayType::Normal, 0); |
| 1717 | } |
Sanjiv Gupta | 67b14f0 | 2010-02-25 05:20:44 +0000 | [diff] [blame] | 1718 | llvm::StringRef DeclName = Var->getName(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1719 | llvm::DIDescriptor DContext = |
| 1720 | getContextDescriptor(dyn_cast<Decl>(D->getDeclContext()), Unit); |
| 1721 | DebugFactory.CreateGlobalVariable(DContext, DeclName, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 1722 | DeclName, llvm::StringRef(), Unit, LineNo, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1723 | getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1724 | Var->hasInternalLinkage(), |
| 1725 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1726 | } |
| 1727 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1728 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1729 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1730 | ObjCInterfaceDecl *ID) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1731 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1732 | llvm::DIFile Unit = getOrCreateFile(ID->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1733 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1734 | PresumedLoc PLoc = SM.getPresumedLoc(ID->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1735 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1736 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1737 | llvm::StringRef Name = ID->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1738 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1739 | QualType T = CGM.getContext().getObjCInterfaceType(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1740 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1741 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1742 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1743 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1744 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1745 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1746 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1747 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1748 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1749 | ArrayType::Normal, 0); |
| 1750 | } |
| 1751 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1752 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1753 | getOrCreateType(T, Unit), |
| 1754 | Var->hasInternalLinkage(), |
| 1755 | true/*definition*/, Var); |
| 1756 | } |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1757 | |
| 1758 | /// getOrCreateNamesSpace - Return namespace descriptor for the given |
| 1759 | /// namespace decl. |
| 1760 | llvm::DINameSpace |
| 1761 | CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl, |
| 1762 | llvm::DIDescriptor Unit) { |
| 1763 | llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I = |
| 1764 | NameSpaceCache.find(NSDecl); |
| 1765 | if (I != NameSpaceCache.end()) |
| 1766 | return llvm::DINameSpace(cast<llvm::MDNode>(I->second)); |
| 1767 | |
| 1768 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1769 | PresumedLoc PLoc = SM.getPresumedLoc(NSDecl->getLocation()); |
| 1770 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 1771 | |
| 1772 | llvm::DIDescriptor Context = |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1773 | getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()), Unit); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1774 | llvm::DINameSpace NS = |
| 1775 | DebugFactory.CreateNameSpace(Context, NSDecl->getName(), |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1776 | llvm::DIFile(Unit.getNode()), LineNo); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1777 | NameSpaceCache[NSDecl] = llvm::WeakVH(NS.getNode()); |
| 1778 | return NS; |
| 1779 | } |