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) |
| 39 | : CGM(CGM), isMainCompileUnitCreated(false), DebugFactory(CGM.getModule()), |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 40 | BlockLiteralGenericSet(false) { |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 41 | } |
| 42 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 43 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 44 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 47 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 48 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 49 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 50 | } |
| 51 | |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 52 | /// getContext - Get context info for the decl. |
| 53 | llvm::DIDescriptor CGDebugInfo::getContext(const VarDecl *Decl, |
| 54 | llvm::DIDescriptor &CompileUnit) { |
| 55 | if (Decl->isFileVarDecl()) |
| 56 | return CompileUnit; |
| 57 | if (Decl->getDeclContext()->isFunctionOrMethod()) { |
| 58 | // Find the last subprogram in region stack. |
| 59 | for (unsigned RI = RegionStack.size(), RE = 0; RI != RE; --RI) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 60 | llvm::DIDescriptor R(RegionStack[RI - 1]); |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 61 | if (R.isSubprogram()) |
| 62 | return R; |
| 63 | } |
| 64 | } |
| 65 | return CompileUnit; |
| 66 | } |
| 67 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 68 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 69 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 70 | /// is stored on the side. |
| 71 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 72 | assert (FD && "Invalid FunctionDecl!"); |
| 73 | IdentifierInfo *FII = FD->getIdentifier(); |
| 74 | if (FII) |
| 75 | return FII->getName(); |
| 76 | |
| 77 | // Otherwise construct human readable name for debug info. |
| 78 | std::string NS = FD->getNameAsString(); |
| 79 | |
| 80 | // Copy this name on the side and use its reference. |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 81 | char *StrPtr = FunctionNames.Allocate<char>(NS.length()); |
| 82 | memcpy(StrPtr, NS.data(), NS.length()); |
| 83 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 84 | } |
| 85 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 86 | /// getOrCreateCompileUnit - Get the compile unit from the cache or create a new |
Daniel Dunbar | 25f51dd | 2008-10-24 08:38:36 +0000 | [diff] [blame] | 87 | /// one if necessary. This returns null for invalid source locations. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 88 | llvm::DICompileUnit CGDebugInfo::getOrCreateCompileUnit(SourceLocation Loc) { |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 89 | // Get source file information. |
| 90 | const char *FileName = "<unknown>"; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 91 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Chris Lattner | adb1a6f | 2009-04-19 06:50:29 +0000 | [diff] [blame] | 92 | unsigned FID = 0; |
Daniel Dunbar | 831570c | 2009-01-22 00:09:25 +0000 | [diff] [blame] | 93 | if (Loc.isValid()) { |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 94 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
| 95 | FileName = PLoc.getFilename(); |
| 96 | FID = PLoc.getIncludeLoc().getRawEncoding(); |
Daniel Dunbar | 831570c | 2009-01-22 00:09:25 +0000 | [diff] [blame] | 97 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 98 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 99 | // See if this compile unit has been used before. |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 100 | llvm::DICompileUnit &Unit = CompileUnitCache[FID]; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 101 | if (!Unit.isNull()) return Unit; |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 102 | |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 103 | // Get absolute path name. |
| 104 | llvm::sys::Path AbsFileName(FileName); |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 105 | AbsFileName.makeAbsolute(); |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 106 | |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 107 | // See if thie compile unit is representing main source file. Each source |
| 108 | // file has corresponding compile unit. There is only one main source |
| 109 | // file at a time. |
| 110 | bool isMain = false; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 111 | const LangOptions &LO = CGM.getLangOptions(); |
| 112 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 113 | if (isMainCompileUnitCreated == false) { |
Daniel Dunbar | 7d065d0 | 2009-11-29 02:38:34 +0000 | [diff] [blame] | 114 | if (!CGO.MainFileName.empty()) { |
| 115 | if (AbsFileName.getLast() == CGO.MainFileName) |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 116 | isMain = true; |
| 117 | } else { |
| 118 | if (Loc.isValid() && SM.isFromMainFile(Loc)) |
| 119 | isMain = true; |
| 120 | } |
| 121 | if (isMain) |
| 122 | isMainCompileUnitCreated = true; |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 123 | } |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 124 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 125 | unsigned LangTag; |
| 126 | if (LO.CPlusPlus) { |
| 127 | if (LO.ObjC1) |
| 128 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 129 | else |
| 130 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 131 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 132 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 133 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 134 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 135 | } else { |
| 136 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 137 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 138 | |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 139 | const char *Producer = |
Mike Stump | d8945d6 | 2009-10-09 18:38:12 +0000 | [diff] [blame] | 140 | #ifdef CLANG_VENDOR |
| 141 | CLANG_VENDOR |
| 142 | #endif |
| 143 | "clang " CLANG_VERSION_STRING; |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 144 | |
| 145 | // Figure out which version of the ObjC runtime we have. |
| 146 | unsigned RuntimeVers = 0; |
| 147 | if (LO.ObjC1) |
| 148 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 149 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 150 | // Create new compile unit. |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 151 | return Unit = DebugFactory.CreateCompileUnit( |
| 152 | LangTag, AbsFileName.getLast(), AbsFileName.getDirname(), Producer, isMain, |
| 153 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 154 | } |
| 155 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 156 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 157 | /// one if necessary. |
| 158 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT, |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 159 | llvm::DICompileUnit Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 160 | unsigned Encoding = 0; |
| 161 | switch (BT->getKind()) { |
| 162 | default: |
| 163 | case BuiltinType::Void: |
| 164 | return llvm::DIType(); |
| 165 | case BuiltinType::UChar: |
| 166 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 167 | case BuiltinType::Char_S: |
| 168 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 169 | case BuiltinType::UShort: |
| 170 | case BuiltinType::UInt: |
| 171 | case BuiltinType::ULong: |
| 172 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 173 | case BuiltinType::Short: |
| 174 | case BuiltinType::Int: |
| 175 | case BuiltinType::Long: |
| 176 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 177 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 178 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 179 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 180 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 181 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 182 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 183 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 184 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 185 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 186 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 187 | llvm::DIType DbgTy = |
| 188 | DebugFactory.CreateBasicType(Unit, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 189 | BT->getName(CGM.getContext().getLangOptions()), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 190 | Unit, 0, Size, Align, |
| 191 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 192 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 193 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 194 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 195 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
| 196 | llvm::DICompileUnit Unit) { |
| 197 | // Bit size, align and offset of the type. |
| 198 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 199 | if (Ty->isComplexIntegerType()) |
| 200 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 201 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 202 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 203 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +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, "complex", |
| 208 | Unit, 0, Size, Align, |
| 209 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 210 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 211 | } |
| 212 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 213 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 214 | /// a new one if necessary. |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 215 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DICompileUnit Unit) { |
| 216 | QualifierCollector Qc; |
| 217 | const Type *T = Qc.strip(Ty); |
| 218 | |
| 219 | // Ignore these qualifiers for now. |
| 220 | Qc.removeObjCGCAttr(); |
| 221 | Qc.removeAddressSpace(); |
| 222 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 223 | // We will create one Derived type for one qualifier and recurse to handle any |
| 224 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 225 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 226 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 227 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 228 | Qc.removeConst(); |
| 229 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 230 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 231 | Qc.removeVolatile(); |
| 232 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 233 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 234 | Qc.removeRestrict(); |
| 235 | } else { |
| 236 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 237 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 238 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 239 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 240 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 241 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 242 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 243 | // CVR derived types. |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 244 | llvm::DIType DbgTy = |
| 245 | DebugFactory.CreateDerivedType(Tag, Unit, "", llvm::DICompileUnit(), |
| 246 | 0, 0, 0, 0, 0, FromTy); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 247 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 248 | } |
| 249 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 250 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
| 251 | llvm::DICompileUnit Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 252 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 253 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 254 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 255 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 256 | } |
| 257 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 258 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
| 259 | llvm::DICompileUnit Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 260 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 261 | Ty->getPointeeType(), Unit); |
| 262 | } |
| 263 | |
| 264 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 265 | const Type *Ty, |
| 266 | QualType PointeeTy, |
| 267 | llvm::DICompileUnit Unit) { |
| 268 | llvm::DIType EltTy = getOrCreateType(PointeeTy, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 269 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 270 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 271 | |
| 272 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 273 | // because that does not return the correct value for references. |
| 274 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 275 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 276 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 277 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 278 | return |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 279 | DebugFactory.CreateDerivedType(Tag, Unit, "", llvm::DICompileUnit(), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 280 | 0, Size, Align, 0, 0, EltTy); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 281 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 282 | } |
| 283 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 284 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
| 285 | llvm::DICompileUnit Unit) { |
| 286 | if (BlockLiteralGenericSet) |
| 287 | return BlockLiteralGeneric; |
| 288 | |
| 289 | llvm::DICompileUnit DefUnit; |
| 290 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 291 | |
| 292 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 293 | |
| 294 | llvm::DIType FieldTy; |
| 295 | |
| 296 | QualType FType; |
| 297 | uint64_t FieldSize, FieldOffset; |
| 298 | unsigned FieldAlign; |
| 299 | |
| 300 | llvm::DIArray Elements; |
| 301 | llvm::DIType EltTy, DescTy; |
| 302 | |
| 303 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 304 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 305 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 306 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 307 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 308 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 309 | "reserved", DefUnit, |
| 310 | 0, FieldSize, FieldAlign, |
| 311 | FieldOffset, 0, FieldTy); |
| 312 | EltTys.push_back(FieldTy); |
| 313 | |
| 314 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 315 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 316 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 317 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 318 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 319 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 320 | "Size", DefUnit, |
| 321 | 0, FieldSize, FieldAlign, |
| 322 | FieldOffset, 0, FieldTy); |
| 323 | EltTys.push_back(FieldTy); |
| 324 | |
| 325 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 326 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 327 | EltTys.clear(); |
| 328 | |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 329 | unsigned Flags = llvm::DIType::FlagAppleBlock; |
| 330 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 331 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_descriptor", |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 332 | DefUnit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 333 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 334 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 335 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 336 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 337 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 338 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 339 | DescTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 340 | Unit, "", llvm::DICompileUnit(), |
| 341 | 0, Size, Align, 0, 0, EltTy); |
| 342 | |
| 343 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 344 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 345 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 346 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 347 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 348 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 349 | "__isa", DefUnit, |
| 350 | 0, FieldSize, FieldAlign, |
| 351 | FieldOffset, 0, FieldTy); |
| 352 | EltTys.push_back(FieldTy); |
| 353 | |
| 354 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 355 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 356 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 357 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 358 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 359 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 360 | "__flags", DefUnit, |
| 361 | 0, FieldSize, FieldAlign, |
| 362 | FieldOffset, 0, FieldTy); |
| 363 | EltTys.push_back(FieldTy); |
| 364 | |
| 365 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 366 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 367 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 368 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 369 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 370 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 371 | "__reserved", DefUnit, |
| 372 | 0, FieldSize, FieldAlign, |
| 373 | FieldOffset, 0, FieldTy); |
| 374 | EltTys.push_back(FieldTy); |
| 375 | |
| 376 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 377 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 378 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 379 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 380 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 381 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 382 | "__FuncPtr", DefUnit, |
| 383 | 0, FieldSize, FieldAlign, |
| 384 | FieldOffset, 0, FieldTy); |
| 385 | EltTys.push_back(FieldTy); |
| 386 | |
| 387 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 388 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 389 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 390 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 391 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 392 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 393 | "__descriptor", DefUnit, |
| 394 | 0, FieldSize, FieldAlign, |
| 395 | FieldOffset, 0, FieldTy); |
| 396 | EltTys.push_back(FieldTy); |
| 397 | |
| 398 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 399 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 400 | |
| 401 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_literal_generic", |
Mike Stump | 944e705 | 2009-10-02 02:23:37 +0000 | [diff] [blame] | 402 | DefUnit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 403 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 404 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 405 | BlockLiteralGenericSet = true; |
| 406 | BlockLiteralGeneric |
| 407 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, Unit, |
| 408 | "", llvm::DICompileUnit(), |
| 409 | 0, Size, Align, 0, 0, EltTy); |
| 410 | return BlockLiteralGeneric; |
| 411 | } |
| 412 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 413 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
| 414 | llvm::DICompileUnit Unit) { |
| 415 | // Typedefs are derived from some other type. If we have a typedef of a |
| 416 | // typedef, make sure to emit the whole chain. |
| 417 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 418 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 419 | // We don't set size information, but do specify where the typedef was |
| 420 | // declared. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 421 | SourceLocation DefLoc = Ty->getDecl()->getLocation(); |
| 422 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(DefLoc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 423 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 424 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 425 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 426 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 427 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 428 | llvm::DIType DbgTy = |
| 429 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_typedef, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 430 | Ty->getDecl()->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 431 | DefUnit, Line, 0, 0, 0, 0, Src); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 432 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 433 | } |
| 434 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 435 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
| 436 | llvm::DICompileUnit Unit) { |
| 437 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 438 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 439 | // Add the result type at least. |
| 440 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 441 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 442 | // Set up remainder of arguments if there is a prototype. |
| 443 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 444 | if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 445 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 446 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
| 447 | } else { |
| 448 | // FIXME: Handle () case in C. llvm-gcc doesn't do it either. |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 449 | } |
| 450 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 451 | llvm::DIArray EltTypeArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 452 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 453 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 454 | llvm::DIType DbgTy = |
| 455 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
| 456 | Unit, "", llvm::DICompileUnit(), |
| 457 | 0, 0, 0, 0, 0, |
| 458 | llvm::DIType(), EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 459 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 460 | } |
| 461 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 462 | /// CollectRecordFields - A helper function to collect debug info for |
| 463 | /// record fields. This is used while creating debug info entry for a Record. |
| 464 | void CGDebugInfo:: |
| 465 | CollectRecordFields(const RecordDecl *Decl, |
| 466 | llvm::DICompileUnit Unit, |
| 467 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
| 468 | unsigned FieldNo = 0; |
| 469 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 470 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(Decl); |
| 471 | for (RecordDecl::field_iterator I = Decl->field_begin(), |
| 472 | E = Decl->field_end(); |
| 473 | I != E; ++I, ++FieldNo) { |
| 474 | FieldDecl *Field = *I; |
| 475 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 476 | |
| 477 | llvm::StringRef FieldName = Field->getName(); |
| 478 | |
| 479 | // Ignore unnamed fields. |
| 480 | if (FieldName.empty()) |
| 481 | continue; |
| 482 | |
| 483 | // Get the location for the field. |
| 484 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 485 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 486 | llvm::DICompileUnit FieldDefUnit; |
| 487 | unsigned FieldLine = 0; |
| 488 | |
| 489 | if (!PLoc.isInvalid()) { |
| 490 | FieldDefUnit = getOrCreateCompileUnit(FieldDefLoc); |
| 491 | FieldLine = PLoc.getLine(); |
| 492 | } |
| 493 | |
| 494 | QualType FType = Field->getType(); |
| 495 | uint64_t FieldSize = 0; |
| 496 | unsigned FieldAlign = 0; |
| 497 | if (!FType->isIncompleteArrayType()) { |
| 498 | |
| 499 | // Bit size, align and offset of the type. |
| 500 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 501 | Expr *BitWidth = Field->getBitWidth(); |
| 502 | if (BitWidth) |
| 503 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
| 504 | |
| 505 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 506 | } |
| 507 | |
| 508 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 509 | |
| 510 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 511 | // struct. FIXME: This is an absolutely insane way to capture this |
| 512 | // information. When we gut debug info, this should be fixed. |
| 513 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 514 | FieldName, FieldDefUnit, |
| 515 | FieldLine, FieldSize, FieldAlign, |
| 516 | FieldOffset, 0, FieldTy); |
| 517 | EltTys.push_back(FieldTy); |
| 518 | } |
| 519 | } |
| 520 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame^] | 521 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 522 | /// a single member function GlobalDecl. |
| 523 | llvm::DISubprogram |
| 524 | CGDebugInfo::CreateCXXMemberFunction(GlobalDecl GD, |
| 525 | llvm::DICompileUnit Unit, |
| 526 | llvm::DICompositeType &RecordTy) { |
| 527 | const CXXMethodDecl *Method = cast<CXXMethodDecl>(GD.getDecl()); |
| 528 | |
| 529 | llvm::StringRef MethodName; |
| 530 | llvm::StringRef MethodLinkageName; |
| 531 | llvm::DIType MethodTy = getOrCreateType(Method->getType(), Unit); |
| 532 | if (const CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(Method)) { |
| 533 | (void)CDecl; |
| 534 | MethodName = Method->getName(); |
| 535 | // FIXME : Find linkage name. |
| 536 | } else if (const CXXDestructorDecl *DDecl = dyn_cast<CXXDestructorDecl>(Method)) { |
| 537 | (void)DDecl; |
| 538 | MethodName = getFunctionName(Method); |
| 539 | // FIXME : Find linkage name. |
| 540 | } else { |
| 541 | // regular method |
| 542 | MethodName = getFunctionName(Method); |
| 543 | MethodLinkageName = CGM.getMangledName(Method); |
| 544 | } |
| 545 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 546 | |
| 547 | // Get the location for the method. |
| 548 | SourceLocation MethodDefLoc = Method->getLocation(); |
| 549 | PresumedLoc PLoc = SM.getPresumedLoc(MethodDefLoc); |
| 550 | llvm::DICompileUnit MethodDefUnit; |
| 551 | unsigned MethodLine = 0; |
| 552 | |
| 553 | if (!PLoc.isInvalid()) { |
| 554 | MethodDefUnit = getOrCreateCompileUnit(MethodDefLoc); |
| 555 | MethodLine = PLoc.getLine(); |
| 556 | } |
| 557 | |
| 558 | // Collect virtual method info. |
| 559 | llvm::DIType ContainingType; |
| 560 | unsigned Virtuality = 0; |
| 561 | unsigned VIndex = 0; |
| 562 | if (Method->isVirtual()) { |
| 563 | // FIXME: Identify pure virtual functions. |
| 564 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 565 | VIndex = CGM.getVtableInfo().getMethodVtableIndex(Method); |
| 566 | ContainingType = RecordTy; |
| 567 | } |
| 568 | |
| 569 | llvm::DISubprogram SP = |
| 570 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 571 | MethodLinkageName, |
| 572 | MethodDefUnit, MethodLine, |
| 573 | MethodTy, /*isLocalToUnit=*/false, |
| 574 | Method->isThisDeclarationADefinition(), |
| 575 | Virtuality, VIndex, ContainingType); |
| 576 | if (Method->isThisDeclarationADefinition()) |
| 577 | SPCache[cast<FunctionDecl>(Method)] = llvm::WeakVH(SP.getNode()); |
| 578 | |
| 579 | return SP; |
| 580 | } |
| 581 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 582 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 583 | /// C++ member functions.This is used while creating debug info entry for |
| 584 | /// a Record. |
| 585 | void CGDebugInfo:: |
| 586 | CollectCXXMemberFunctions(const CXXRecordDecl *Decl, |
| 587 | llvm::DICompileUnit Unit, |
| 588 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 589 | llvm::DICompositeType &RecordTy) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 590 | for(CXXRecordDecl::method_iterator I = Decl->method_begin(), |
| 591 | E = Decl->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame^] | 592 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 593 | |
| 594 | if (Method->isImplicit()) |
| 595 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 596 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame^] | 597 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 601 | /// CollectCXXBases - A helper function to collect debug info for |
| 602 | /// C++ base classes. This is used while creating debug info entry for |
| 603 | /// a Record. |
| 604 | void CGDebugInfo:: |
| 605 | CollectCXXBases(const CXXRecordDecl *Decl, |
| 606 | llvm::DICompileUnit Unit, |
| 607 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 608 | llvm::DICompositeType &RecordTy) { |
| 609 | |
| 610 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(Decl); |
| 611 | for (CXXRecordDecl::base_class_const_iterator BI = Decl->bases_begin(), |
| 612 | BE = Decl->bases_end(); BI != BE; ++BI) { |
| 613 | unsigned BFlags = 0; |
| 614 | if (BI->isVirtual()) |
| 615 | BFlags = llvm::DIType::FlagVirtual; |
| 616 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 617 | if (Access == clang::AS_private) |
| 618 | BFlags |= llvm::DIType::FlagPrivate; |
| 619 | else if (Access == clang::AS_protected) |
| 620 | BFlags |= llvm::DIType::FlagProtected; |
| 621 | |
| 622 | const CXXRecordDecl *Base = |
| 623 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 624 | llvm::DIType DTy = |
| 625 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 626 | RecordTy, llvm::StringRef(), |
| 627 | llvm::DICompileUnit(), 0, 0, 0, |
| 628 | RL.getBaseClassOffset(Base), BFlags, |
| 629 | getOrCreateType(BI->getType(), |
| 630 | Unit)); |
| 631 | EltTys.push_back(DTy); |
| 632 | } |
| 633 | } |
| 634 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 635 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 636 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
| 637 | llvm::DICompileUnit Unit) { |
Douglas Gregor | a4c46df | 2008-12-11 17:59:21 +0000 | [diff] [blame] | 638 | RecordDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 639 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 640 | unsigned Tag; |
| 641 | if (Decl->isStruct()) |
| 642 | Tag = llvm::dwarf::DW_TAG_structure_type; |
| 643 | else if (Decl->isUnion()) |
| 644 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 645 | else { |
| 646 | assert(Decl->isClass() && "Unknown RecordType!"); |
| 647 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 648 | } |
| 649 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 650 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 651 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 652 | // Get overall information about the record type for the debug info. |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 653 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 654 | llvm::DICompileUnit DefUnit; |
| 655 | unsigned Line = 0; |
| 656 | if (!PLoc.isInvalid()) { |
| 657 | DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
| 658 | Line = PLoc.getLine(); |
| 659 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 660 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 661 | // Records and classes and unions can all be recursive. To handle them, we |
| 662 | // first generate a debug descriptor for the struct as a forward declaration. |
| 663 | // Then (if it is a definition) we go through and get debug info for all of |
| 664 | // its members. Finally, we create a descriptor for the complete type (which |
| 665 | // may refer to the forward decl if the struct is recursive) and replace all |
| 666 | // uses of the forward declaration with the final definition. |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 667 | |
| 668 | // A Decl->getName() is not unique. However, the debug info descriptors |
| 669 | // are uniqued. The debug info descriptor describing record's context is |
| 670 | // necessary to keep two Decl's descriptor unique if their name match. |
| 671 | // FIXME : Use RecordDecl's DeclContext's descriptor. As a temp. step |
| 672 | // use type's name in FwdDecl. |
| 673 | std::string STy = QualType(Ty, 0).getAsString(); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 674 | llvm::DICompositeType FwdDecl = |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 675 | DebugFactory.CreateCompositeType(Tag, Unit, STy.c_str(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 676 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 677 | llvm::DIType(), llvm::DIArray()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 678 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 679 | // If this is just a forward declaration, return it. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 680 | if (!Decl->getDefinition(CGM.getContext())) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 681 | return FwdDecl; |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 682 | |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 683 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 684 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 685 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 686 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 687 | |
| 688 | // Convert all the elements. |
| 689 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 690 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 691 | CollectRecordFields(Decl, Unit, EltTys); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 692 | if (CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(Decl)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 693 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 694 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
| 695 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 696 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 697 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 698 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 699 | |
| 700 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 701 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 702 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 703 | |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 704 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 705 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 706 | DefUnit, Line, Size, Align, 0, 0, |
| 707 | llvm::DIType(), Elements); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 708 | |
| 709 | // Now that we have a real decl for the struct, replace anything using the |
| 710 | // 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] | 711 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 712 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 713 | return RealDecl; |
| 714 | } |
| 715 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 716 | /// CreateType - get objective-c interface type. |
| 717 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
| 718 | llvm::DICompileUnit Unit) { |
| 719 | ObjCInterfaceDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 720 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 721 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 722 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 723 | |
| 724 | // Get overall information about the record type for the debug info. |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 725 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 726 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 727 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 728 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 729 | |
Daniel Dunbar | d86d336 | 2009-05-18 20:51:58 +0000 | [diff] [blame] | 730 | unsigned RuntimeLang = DefUnit.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 731 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 732 | // To handle recursive interface, we |
| 733 | // first generate a debug descriptor for the struct as a forward declaration. |
| 734 | // Then (if it is a definition) we go through and get debug info for all of |
| 735 | // its members. Finally, we create a descriptor for the complete type (which |
| 736 | // may refer to the forward decl if the struct is recursive) and replace all |
| 737 | // uses of the forward declaration with the final definition. |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 738 | llvm::DICompositeType FwdDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 739 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 740 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 741 | llvm::DIType(), llvm::DIArray(), |
| 742 | RuntimeLang); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 743 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 744 | // If this is just a forward declaration, return it. |
| 745 | if (Decl->isForwardDecl()) |
| 746 | return FwdDecl; |
| 747 | |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 748 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 749 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 750 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 751 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 752 | |
| 753 | // Convert all the elements. |
| 754 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 755 | |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 756 | ObjCInterfaceDecl *SClass = Decl->getSuperClass(); |
| 757 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 758 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 759 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 760 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 761 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Chris Lattner | 9e55b8a | 2009-05-05 05:05:36 +0000 | [diff] [blame] | 762 | Unit, "", llvm::DICompileUnit(), 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 763 | 0 /* offset */, 0, SClassTy); |
| 764 | EltTys.push_back(InhTag); |
| 765 | } |
| 766 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 767 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 768 | |
| 769 | unsigned FieldNo = 0; |
| 770 | for (ObjCInterfaceDecl::ivar_iterator I = Decl->ivar_begin(), |
| 771 | E = Decl->ivar_end(); I != E; ++I, ++FieldNo) { |
| 772 | ObjCIvarDecl *Field = *I; |
| 773 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 774 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 775 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 776 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 777 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 778 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 779 | continue; |
| 780 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 781 | // Get the location for the field. |
| 782 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 783 | llvm::DICompileUnit FieldDefUnit = getOrCreateCompileUnit(FieldDefLoc); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 784 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 785 | unsigned FieldLine = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 786 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 787 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 788 | QualType FType = Field->getType(); |
| 789 | uint64_t FieldSize = 0; |
| 790 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 791 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 792 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 793 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 794 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 795 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 796 | Expr *BitWidth = Field->getBitWidth(); |
| 797 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 798 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 799 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 800 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 801 | } |
| 802 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 803 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 804 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 805 | unsigned Flags = 0; |
| 806 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
| 807 | Flags = llvm::DIType::FlagProtected; |
| 808 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
| 809 | Flags = llvm::DIType::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 810 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 811 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 812 | // struct. FIXME: This is an absolutely insane way to capture this |
| 813 | // information. When we gut debug info, this should be fixed. |
| 814 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 815 | FieldName, FieldDefUnit, |
| 816 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 817 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 818 | EltTys.push_back(FieldTy); |
| 819 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 820 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 821 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 822 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 823 | |
| 824 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 825 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 826 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 827 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 828 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 829 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 830 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 831 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 832 | |
| 833 | // Now that we have a real decl for the struct, replace anything using the |
| 834 | // 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] | 835 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 836 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 837 | return RealDecl; |
| 838 | } |
| 839 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 840 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
| 841 | llvm::DICompileUnit Unit) { |
| 842 | EnumDecl *Decl = Ty->getDecl(); |
| 843 | |
| 844 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 845 | |
| 846 | // Create DIEnumerator elements for each enumerator. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 847 | for (EnumDecl::enumerator_iterator |
Argyrios Kyrtzidis | 17945a0 | 2009-06-30 02:36:12 +0000 | [diff] [blame] | 848 | Enum = Decl->enumerator_begin(), EnumEnd = Decl->enumerator_end(); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 849 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 850 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 851 | Enum->getInitVal().getZExtValue())); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 852 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 853 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 854 | // Return a CompositeType for the enum itself. |
| 855 | llvm::DIArray EltArray = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 856 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 857 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 858 | SourceLocation DefLoc = Decl->getLocation(); |
| 859 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(DefLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 860 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 861 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 862 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 863 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 864 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 865 | // Size and align of the type. |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 866 | uint64_t Size = 0; |
| 867 | unsigned Align = 0; |
| 868 | if (!Ty->isIncompleteType()) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 869 | Size = CGM.getContext().getTypeSize(Ty); |
| 870 | Align = CGM.getContext().getTypeAlign(Ty); |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 871 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 872 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 873 | llvm::DIType DbgTy = |
| 874 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 875 | Unit, Decl->getName(), DefUnit, Line, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 876 | Size, Align, 0, 0, |
| 877 | llvm::DIType(), EltArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 878 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
| 882 | llvm::DICompileUnit Unit) { |
| 883 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 884 | return CreateType(RT, Unit); |
| 885 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 886 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 887 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 888 | return llvm::DIType(); |
| 889 | } |
| 890 | |
| 891 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
| 892 | llvm::DICompileUnit Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 893 | uint64_t Size; |
| 894 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 895 | |
| 896 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 897 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 898 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 899 | Size = 0; |
| 900 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 901 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 902 | } else if (Ty->isIncompleteArrayType()) { |
| 903 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 904 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 905 | } else { |
| 906 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 907 | Size = CGM.getContext().getTypeSize(Ty); |
| 908 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 909 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 910 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 911 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 912 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 913 | // obvious/recursive way? |
| 914 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 915 | QualType EltTy(Ty, 0); |
| 916 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 917 | uint64_t Upper = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 918 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
Devang Patel | 5a6bfe3 | 2009-08-14 20:57:45 +0000 | [diff] [blame] | 919 | if (CAT->getSize().getZExtValue()) |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 920 | Upper = CAT->getSize().getZExtValue() - 1; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 921 | // FIXME: Verify this is right for VLAs. |
| 922 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 923 | EltTy = Ty->getElementType(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 924 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 925 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 926 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 927 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 928 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 929 | llvm::DIType DbgTy = |
| 930 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
| 931 | Unit, "", llvm::DICompileUnit(), |
| 932 | 0, Size, Align, 0, 0, |
| 933 | getOrCreateType(EltTy, Unit), |
| 934 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 935 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 936 | } |
| 937 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 938 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
| 939 | llvm::DICompileUnit Unit) { |
| 940 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 941 | Ty, Ty->getPointeeType(), Unit); |
| 942 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 943 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 944 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
| 945 | llvm::DICompileUnit U) { |
| 946 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 947 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 948 | |
| 949 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 950 | // We have a data member pointer type. |
| 951 | return PointerDiffDITy; |
| 952 | } |
| 953 | |
| 954 | // We have a member function pointer type. Treat it as a struct with two |
| 955 | // ptrdiff_t members. |
| 956 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 957 | |
| 958 | uint64_t FieldOffset = 0; |
| 959 | llvm::DIDescriptor ElementTypes[2]; |
| 960 | |
| 961 | // FIXME: This should probably be a function type instead. |
| 962 | ElementTypes[0] = |
| 963 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 964 | "ptr", llvm::DICompileUnit(), 0, |
| 965 | Info.first, Info.second, FieldOffset, 0, |
| 966 | PointerDiffDITy); |
| 967 | FieldOffset += Info.first; |
| 968 | |
| 969 | ElementTypes[1] = |
| 970 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 971 | "ptr", llvm::DICompileUnit(), 0, |
| 972 | Info.first, Info.second, FieldOffset, 0, |
| 973 | PointerDiffDITy); |
| 974 | |
| 975 | llvm::DIArray Elements = |
| 976 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 977 | llvm::array_lengthof(ElementTypes)); |
| 978 | |
| 979 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 980 | U, llvm::StringRef("test"), |
| 981 | llvm::DICompileUnit(), 0, FieldOffset, |
| 982 | 0, 0, 0, llvm::DIType(), Elements); |
| 983 | } |
| 984 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 985 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 986 | do { |
| 987 | QualType LastT = T; |
| 988 | switch (T->getTypeClass()) { |
| 989 | default: |
| 990 | return T; |
| 991 | case Type::TemplateSpecialization: |
| 992 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 993 | break; |
| 994 | case Type::TypeOfExpr: { |
| 995 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 996 | T = Ty->getUnderlyingExpr()->getType(); |
| 997 | break; |
| 998 | } |
| 999 | case Type::TypeOf: |
| 1000 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1001 | break; |
| 1002 | case Type::Decltype: |
| 1003 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1004 | break; |
| 1005 | case Type::QualifiedName: |
| 1006 | T = cast<QualifiedNameType>(T)->getNamedType(); |
| 1007 | break; |
| 1008 | case Type::SubstTemplateTypeParm: |
| 1009 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1010 | break; |
| 1011 | case Type::Elaborated: |
| 1012 | T = cast<ElaboratedType>(T)->getUnderlyingType(); |
| 1013 | break; |
| 1014 | } |
| 1015 | |
| 1016 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1017 | if (T == LastT) |
| 1018 | return T; |
| 1019 | } while (true); |
| 1020 | |
| 1021 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1024 | /// getOrCreateType - Get the type from the cache or create a new |
| 1025 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1026 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
| 1027 | llvm::DICompileUnit Unit) { |
| 1028 | if (Ty.isNull()) |
| 1029 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1030 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1031 | // Unwrap the type as needed for debug information. |
| 1032 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1033 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1034 | // Check for existing entry. |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1035 | std::map<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1036 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1037 | if (it != TypeCache.end()) { |
| 1038 | // Verify that the debug info still exists. |
| 1039 | if (&*it->second) |
| 1040 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1041 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1042 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1043 | // Otherwise create the type. |
| 1044 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1045 | |
| 1046 | // And update the type cache. |
| 1047 | TypeCache[Ty.getAsOpaquePtr()] = Res.getNode(); |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1048 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1051 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1052 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
| 1053 | llvm::DICompileUnit Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1054 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1055 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1056 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1057 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1058 | const char *Diag = 0; |
| 1059 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1060 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1061 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1062 | #define TYPE(Class, Base) |
| 1063 | #define ABSTRACT_TYPE(Class, Base) |
| 1064 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1065 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1066 | #include "clang/AST/TypeNodes.def" |
| 1067 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1068 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1069 | // FIXME: Handle these. |
| 1070 | case Type::ExtVector: |
| 1071 | case Type::Vector: |
| 1072 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1073 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1074 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1075 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1076 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1077 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1078 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1079 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1080 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1081 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1082 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1083 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1084 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1085 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1086 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1087 | case Type::FunctionProto: |
| 1088 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1089 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1090 | case Type::ConstantArray: |
| 1091 | case Type::VariableArray: |
| 1092 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1093 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1094 | |
| 1095 | case Type::LValueReference: |
| 1096 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1097 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1098 | case Type::MemberPointer: |
| 1099 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1100 | |
| 1101 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1102 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1103 | case Type::QualifiedName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1104 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1105 | case Type::TypeOfExpr: |
| 1106 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1107 | case Type::Decltype: |
| 1108 | llvm_unreachable("type should have been unwrapped!"); |
| 1109 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1110 | |
| 1111 | case Type::RValueReference: |
| 1112 | // FIXME: Implement! |
| 1113 | Diag = "rvalue references"; |
| 1114 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1115 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1116 | |
| 1117 | assert(Diag && "Fall through without a diagnostic?"); |
| 1118 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1119 | "debug information for %0 is not yet supported"); |
| 1120 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1121 | << Diag; |
| 1122 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1123 | } |
| 1124 | |
| 1125 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1126 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1127 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1128 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1129 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1130 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1131 | llvm::StringRef Name; |
| 1132 | llvm::StringRef LinkageName; |
| 1133 | |
| 1134 | const Decl *D = GD.getDecl(); |
| 1135 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1136 | // If there is a DISubprogram for this function available then use it. |
| 1137 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1138 | FI = SPCache.find(FD); |
| 1139 | if (FI != SPCache.end()) { |
| 1140 | llvm::DISubprogram SP(dyn_cast_or_null<llvm::MDNode>(FI->second)); |
| 1141 | if (!SP.isNull() && SP.isSubprogram() && SP.isDefinition()) { |
| 1142 | RegionStack.push_back(SP.getNode()); |
| 1143 | return; |
| 1144 | } |
| 1145 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1146 | Name = getFunctionName(FD); |
Eli Friedman | 3364e62 | 2010-01-16 00:43:13 +0000 | [diff] [blame] | 1147 | if (!Name.empty() && Name[0] == '\01') |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1148 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1149 | // Use mangled name as linkage name for c/c++ functions. |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1150 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1151 | } else { |
| 1152 | // Use llvm function name as linkage name. |
| 1153 | Name = Fn->getName(); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1154 | LinkageName = Name; |
Devang Patel | 1758420 | 2010-01-19 00:25:12 +0000 | [diff] [blame] | 1155 | if (!Name.empty() && Name[0] == '\01') |
| 1156 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1157 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1158 | |
Devang Patel | 98a200b | 2010-01-14 18:06:13 +0000 | [diff] [blame] | 1159 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1160 | // Usually, CurLoc points to the left bracket location of compound |
| 1161 | // statement representing function body. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1162 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1163 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1164 | unsigned LineNo = SM.getPresumedLoc(CurLoc).getLine(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1165 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1166 | llvm::DISubprogram SP = |
Devang Patel | 6dba432 | 2009-07-14 21:31:22 +0000 | [diff] [blame] | 1167 | DebugFactory.CreateSubprogram(Unit, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1168 | getOrCreateType(FnType, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1169 | Fn->hasInternalLinkage(), true/*definition*/); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1170 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1171 | // Push function on region stack. |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1172 | RegionStack.push_back(SP.getNode()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1176 | void CGDebugInfo::EmitStopPoint(llvm::Function *Fn, CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1177 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1178 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1179 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1180 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1181 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1182 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1183 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1184 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
| 1185 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1186 | |
| 1187 | // Update last state. |
| 1188 | PrevLoc = CurLoc; |
| 1189 | |
| 1190 | // Get the appropriate compile unit. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1191 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1192 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1193 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1194 | llvm::DIDescriptor DR(RegionStack.back()); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1195 | llvm::DIScope DS = llvm::DIScope(DR.getNode()); |
| 1196 | llvm::DILocation DO(NULL); |
| 1197 | llvm::DILocation DL = |
| 1198 | DebugFactory.CreateLocation(PLoc.getLine(), PLoc.getColumn(), |
| 1199 | DS, DO); |
| 1200 | Builder.SetCurrentDebugLocation(DL.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1201 | } |
| 1202 | |
| 1203 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1204 | /// region - "llvm.dbg.region.start.". |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1205 | void CGDebugInfo::EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1206 | llvm::DIDescriptor D = |
| 1207 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1208 | llvm::DIDescriptor() : |
| 1209 | llvm::DIDescriptor(RegionStack.back())); |
| 1210 | RegionStack.push_back(D.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1211 | } |
| 1212 | |
| 1213 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1214 | /// region - "llvm.dbg.region.end." |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1215 | void CGDebugInfo::EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1216 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1217 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1218 | // Provide an region stop point. |
| 1219 | EmitStopPoint(Fn, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1220 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1221 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1222 | } |
| 1223 | |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1224 | /// EmitDeclare - Emit local variable declaration debug info. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1225 | void CGDebugInfo::EmitDeclare(const VarDecl *Decl, unsigned Tag, |
| 1226 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1227 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1228 | |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1229 | // Do not emit variable debug information while generating optimized code. |
| 1230 | // The llvm optimizer and code generator are not yet ready to support |
| 1231 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1232 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1233 | if (CGO.OptimizationLevel) |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1234 | return; |
| 1235 | |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1236 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1237 | QualType Type = Decl->getType(); |
| 1238 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
| 1239 | if (Decl->hasAttr<BlocksAttr>()) { |
| 1240 | llvm::DICompileUnit DefUnit; |
| 1241 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1242 | |
| 1243 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1244 | |
| 1245 | llvm::DIType FieldTy; |
| 1246 | |
| 1247 | QualType FType; |
| 1248 | uint64_t FieldSize, FieldOffset; |
| 1249 | unsigned FieldAlign; |
| 1250 | |
| 1251 | llvm::DIArray Elements; |
| 1252 | llvm::DIType EltTy; |
| 1253 | |
| 1254 | // Build up structure for the byref. See BuildByRefType. |
| 1255 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1256 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1257 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1258 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1259 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1260 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1261 | "__isa", DefUnit, |
| 1262 | 0, FieldSize, FieldAlign, |
| 1263 | FieldOffset, 0, FieldTy); |
| 1264 | EltTys.push_back(FieldTy); |
| 1265 | FieldOffset += FieldSize; |
| 1266 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1267 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1268 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1269 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1270 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1271 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1272 | "__forwarding", DefUnit, |
| 1273 | 0, FieldSize, FieldAlign, |
| 1274 | FieldOffset, 0, FieldTy); |
| 1275 | EltTys.push_back(FieldTy); |
| 1276 | FieldOffset += FieldSize; |
| 1277 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1278 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1279 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1280 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1281 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1282 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1283 | "__flags", DefUnit, |
| 1284 | 0, FieldSize, FieldAlign, |
| 1285 | FieldOffset, 0, FieldTy); |
| 1286 | EltTys.push_back(FieldTy); |
| 1287 | FieldOffset += FieldSize; |
| 1288 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1289 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1290 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1291 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1292 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1293 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1294 | "__size", DefUnit, |
| 1295 | 0, FieldSize, FieldAlign, |
| 1296 | FieldOffset, 0, FieldTy); |
| 1297 | EltTys.push_back(FieldTy); |
| 1298 | FieldOffset += FieldSize; |
| 1299 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1300 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1301 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1302 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1303 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1304 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1305 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1306 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1307 | "__copy_helper", DefUnit, |
| 1308 | 0, FieldSize, FieldAlign, |
| 1309 | FieldOffset, 0, FieldTy); |
| 1310 | EltTys.push_back(FieldTy); |
| 1311 | FieldOffset += FieldSize; |
| 1312 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1313 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1314 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1315 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1316 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1317 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1318 | "__destroy_helper", DefUnit, |
| 1319 | 0, FieldSize, FieldAlign, |
| 1320 | FieldOffset, 0, FieldTy); |
| 1321 | EltTys.push_back(FieldTy); |
| 1322 | FieldOffset += FieldSize; |
| 1323 | } |
| 1324 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1325 | unsigned Align = CGM.getContext().getDeclAlignInBytes(Decl); |
| 1326 | if (Align > CGM.getContext().Target.getPointerAlign(0) / 8) { |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1327 | unsigned AlignedOffsetInBytes |
Mike Stump | fd47b31 | 2009-09-22 02:44:17 +0000 | [diff] [blame] | 1328 | = llvm::RoundUpToAlignment(FieldOffset/8, Align); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1329 | unsigned NumPaddingBytes |
Mike Stump | fd47b31 | 2009-09-22 02:44:17 +0000 | [diff] [blame] | 1330 | = AlignedOffsetInBytes - FieldOffset/8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1331 | |
| 1332 | if (NumPaddingBytes > 0) { |
| 1333 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1334 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1335 | pad, ArrayType::Normal, 0); |
| 1336 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1337 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1338 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1339 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1340 | Unit, "", DefUnit, |
| 1341 | 0, FieldSize, FieldAlign, |
| 1342 | FieldOffset, 0, FieldTy); |
| 1343 | EltTys.push_back(FieldTy); |
| 1344 | FieldOffset += FieldSize; |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | FType = Type; |
| 1349 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1350 | FieldSize = CGM.getContext().getTypeSize(FType); |
Mike Stump | fd47b31 | 2009-09-22 02:44:17 +0000 | [diff] [blame] | 1351 | FieldAlign = Align*8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1352 | |
| 1353 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1354 | Decl->getName(), DefUnit, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1355 | 0, FieldSize, FieldAlign, |
| 1356 | FieldOffset, 0, FieldTy); |
| 1357 | EltTys.push_back(FieldTy); |
| 1358 | FieldOffset += FieldSize; |
| 1359 | |
| 1360 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1361 | |
| 1362 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1363 | |
| 1364 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1365 | llvm::DICompileUnit(), |
| 1366 | 0, FieldOffset, 0, 0, Flags, |
| 1367 | llvm::DIType(), Elements); |
| 1368 | } |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1369 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1370 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1371 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1372 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1373 | unsigned Line = 0; |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1374 | unsigned Column = 0; |
| 1375 | if (!PLoc.isInvalid()) { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1376 | Line = PLoc.getLine(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1377 | Column = PLoc.getColumn(); |
| 1378 | } else { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1379 | Unit = llvm::DICompileUnit(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1380 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1381 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1382 | // Create the descriptor for the variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1383 | llvm::DIVariable D = |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1384 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1385 | Decl->getName(), |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1386 | Unit, Line, Ty); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1387 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1388 | llvm::Instruction *Call = |
Devang Patel | a020380 | 2009-11-10 23:07:24 +0000 | [diff] [blame] | 1389 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1390 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1391 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1392 | llvm::DILocation DO(NULL); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1393 | llvm::DILocation DL = DebugFactory.CreateLocation(Line, Column, DS, DO); |
| 1394 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1395 | Call->setMetadata("dbg", DL.getNode()); |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1396 | } |
| 1397 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1398 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1399 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1400 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1401 | CodeGenFunction *CGF) { |
| 1402 | const ValueDecl *Decl = BDRE->getDecl(); |
| 1403 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1404 | |
| 1405 | // Do not emit variable debug information while generating optimized code. |
| 1406 | // The llvm optimizer and code generator are not yet ready to support |
| 1407 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1408 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1409 | if (CGO.OptimizationLevel || Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1410 | return; |
| 1411 | |
| 1412 | uint64_t XOffset = 0; |
| 1413 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
| 1414 | QualType Type = Decl->getType(); |
| 1415 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
| 1416 | if (Decl->hasAttr<BlocksAttr>()) { |
| 1417 | llvm::DICompileUnit DefUnit; |
| 1418 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1419 | |
| 1420 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1421 | |
| 1422 | llvm::DIType FieldTy; |
| 1423 | |
| 1424 | QualType FType; |
| 1425 | uint64_t FieldSize, FieldOffset; |
| 1426 | unsigned FieldAlign; |
| 1427 | |
| 1428 | llvm::DIArray Elements; |
| 1429 | llvm::DIType EltTy; |
| 1430 | |
| 1431 | // Build up structure for the byref. See BuildByRefType. |
| 1432 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1433 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1434 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1435 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1436 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1437 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1438 | "__isa", DefUnit, |
| 1439 | 0, FieldSize, FieldAlign, |
| 1440 | FieldOffset, 0, FieldTy); |
| 1441 | EltTys.push_back(FieldTy); |
| 1442 | FieldOffset += FieldSize; |
| 1443 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1444 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1445 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1446 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1447 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1448 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1449 | "__forwarding", DefUnit, |
| 1450 | 0, FieldSize, FieldAlign, |
| 1451 | FieldOffset, 0, FieldTy); |
| 1452 | EltTys.push_back(FieldTy); |
| 1453 | FieldOffset += FieldSize; |
| 1454 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1455 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1456 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1457 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1458 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1459 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1460 | "__flags", DefUnit, |
| 1461 | 0, FieldSize, FieldAlign, |
| 1462 | FieldOffset, 0, FieldTy); |
| 1463 | EltTys.push_back(FieldTy); |
| 1464 | FieldOffset += FieldSize; |
| 1465 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1466 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1467 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1468 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1469 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1470 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1471 | "__size", DefUnit, |
| 1472 | 0, FieldSize, FieldAlign, |
| 1473 | FieldOffset, 0, FieldTy); |
| 1474 | EltTys.push_back(FieldTy); |
| 1475 | FieldOffset += FieldSize; |
| 1476 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1477 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1478 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1479 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1480 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1481 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1482 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1483 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1484 | "__copy_helper", DefUnit, |
| 1485 | 0, FieldSize, FieldAlign, |
| 1486 | FieldOffset, 0, FieldTy); |
| 1487 | EltTys.push_back(FieldTy); |
| 1488 | FieldOffset += FieldSize; |
| 1489 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1490 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1491 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1492 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1493 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1494 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1495 | "__destroy_helper", DefUnit, |
| 1496 | 0, FieldSize, FieldAlign, |
| 1497 | FieldOffset, 0, FieldTy); |
| 1498 | EltTys.push_back(FieldTy); |
| 1499 | FieldOffset += FieldSize; |
| 1500 | } |
| 1501 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1502 | unsigned Align = CGM.getContext().getDeclAlignInBytes(Decl); |
| 1503 | if (Align > CGM.getContext().Target.getPointerAlign(0) / 8) { |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1504 | unsigned AlignedOffsetInBytes |
| 1505 | = llvm::RoundUpToAlignment(FieldOffset/8, Align); |
| 1506 | unsigned NumPaddingBytes |
| 1507 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1508 | |
| 1509 | if (NumPaddingBytes > 0) { |
| 1510 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1511 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1512 | pad, ArrayType::Normal, 0); |
| 1513 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1514 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1515 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1516 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1517 | Unit, "", DefUnit, |
| 1518 | 0, FieldSize, FieldAlign, |
| 1519 | FieldOffset, 0, FieldTy); |
| 1520 | EltTys.push_back(FieldTy); |
| 1521 | FieldOffset += FieldSize; |
| 1522 | } |
| 1523 | } |
| 1524 | |
| 1525 | FType = Type; |
| 1526 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1527 | FieldSize = CGM.getContext().getTypeSize(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1528 | FieldAlign = Align*8; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1529 | |
| 1530 | XOffset = FieldOffset; |
| 1531 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1532 | Decl->getName(), DefUnit, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1533 | 0, FieldSize, FieldAlign, |
| 1534 | FieldOffset, 0, FieldTy); |
| 1535 | EltTys.push_back(FieldTy); |
| 1536 | FieldOffset += FieldSize; |
| 1537 | |
| 1538 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1539 | |
| 1540 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1541 | |
| 1542 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1543 | llvm::DICompileUnit(), |
| 1544 | 0, FieldOffset, 0, 0, Flags, |
| 1545 | llvm::DIType(), Elements); |
| 1546 | } |
| 1547 | |
| 1548 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1549 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1550 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1551 | unsigned Line = 0; |
| 1552 | if (!PLoc.isInvalid()) |
| 1553 | Line = PLoc.getLine(); |
| 1554 | else |
| 1555 | Unit = llvm::DICompileUnit(); |
| 1556 | |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1557 | CharUnits offset = CGF->BlockDecls[Decl]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1558 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1559 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1560 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1561 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1562 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1563 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1564 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1565 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1566 | // offset of __forwarding field |
| 1567 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1568 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1569 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1570 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1571 | // offset of x field |
| 1572 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1573 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1574 | } |
| 1575 | |
| 1576 | // Create the descriptor for the variable. |
| 1577 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1578 | DebugFactory.CreateComplexVariable(Tag, |
| 1579 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1580 | Decl->getName(), Unit, Line, Ty, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1581 | addr); |
| 1582 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1583 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1584 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1585 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1586 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1587 | llvm::DILocation DO(NULL); |
| 1588 | llvm::DILocation DL = |
| 1589 | DebugFactory.CreateLocation(Line, PLoc.getColumn(), DS, DO); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1590 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1591 | Call->setMetadata("dbg", DL.getNode()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1592 | } |
| 1593 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1594 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *Decl, |
| 1595 | llvm::Value *Storage, |
| 1596 | CGBuilderTy &Builder) { |
| 1597 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
| 1598 | } |
| 1599 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1600 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1601 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1602 | CodeGenFunction *CGF) { |
| 1603 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1604 | } |
| 1605 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1606 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1607 | /// variable declaration. |
| 1608 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI, |
| 1609 | CGBuilderTy &Builder) { |
| 1610 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
| 1611 | } |
| 1612 | |
| 1613 | |
| 1614 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1615 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1616 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1617 | const VarDecl *Decl) { |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1618 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1619 | // Create global variable debug descriptor. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1620 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1621 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1622 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1623 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1624 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1625 | QualType T = Decl->getType(); |
| 1626 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1627 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1628 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1629 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1630 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1631 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1632 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1633 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1634 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1635 | ArrayType::Normal, 0); |
| 1636 | } |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1637 | llvm::StringRef DeclName = Decl->getName(); |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 1638 | DebugFactory.CreateGlobalVariable(getContext(Decl, Unit), DeclName, DeclName, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1639 | llvm::StringRef(), Unit, LineNo, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1640 | getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1641 | Var->hasInternalLinkage(), |
| 1642 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1643 | } |
| 1644 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1645 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1646 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1647 | ObjCInterfaceDecl *Decl) { |
| 1648 | // Create global variable debug descriptor. |
| 1649 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1650 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1651 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1652 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1653 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1654 | llvm::StringRef Name = Decl->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1655 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1656 | QualType T = CGM.getContext().getObjCInterfaceType(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1657 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1658 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1659 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1660 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1661 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1662 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1663 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1664 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1665 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1666 | ArrayType::Normal, 0); |
| 1667 | } |
| 1668 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1669 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1670 | getOrCreateType(T, Unit), |
| 1671 | Var->hasInternalLinkage(), |
| 1672 | true/*definition*/, Var); |
| 1673 | } |