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 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame^] | 521 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 522 | /// function type is not updated to include implicit "this" pointer. Use this |
| 523 | /// routine to get a method type which includes "this" pointer. |
| 524 | llvm::DIType |
| 525 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
| 526 | llvm::DICompileUnit Unit) { |
| 527 | llvm::DIType FnTy = getOrCreateType(Method->getType(), Unit); |
| 528 | |
| 529 | // Add "this" pointer. |
| 530 | |
| 531 | llvm::DIArray Args = llvm::DICompositeType(FnTy.getNode()).getTypeArray(); |
| 532 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 533 | |
| 534 | llvm::SmallVector<llvm::DIDescriptor, 16> Elts; |
| 535 | |
| 536 | // First element is always return type. For 'void' functions it is NULL. |
| 537 | Elts.push_back(Args.getElement(0)); |
| 538 | |
| 539 | // "this" pointer is always first argument. |
| 540 | ASTContext &Context = CGM.getContext(); |
| 541 | QualType ThisPtr = |
| 542 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
| 543 | Elts.push_back(getOrCreateType(ThisPtr, Unit)); |
| 544 | |
| 545 | // Copy rest of the arguments. |
| 546 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 547 | Elts.push_back(Args.getElement(i)); |
| 548 | |
| 549 | llvm::DIArray EltTypeArray = |
| 550 | DebugFactory.GetOrCreateArray(Elts.data(), Elts.size()); |
| 551 | |
| 552 | return |
| 553 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
| 554 | Unit, "", llvm::DICompileUnit(), |
| 555 | 0, 0, 0, 0, 0, |
| 556 | llvm::DIType(), EltTypeArray); |
| 557 | } |
| 558 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 559 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 560 | /// a single member function GlobalDecl. |
| 561 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 562 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 563 | llvm::DICompileUnit Unit, |
| 564 | llvm::DICompositeType &RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 565 | bool IsCtorOrDtor = |
| 566 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 567 | |
| 568 | llvm::StringRef MethodName = getFunctionName(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 569 | llvm::StringRef MethodLinkageName; |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame^] | 570 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 571 | |
| 572 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 573 | // make sense to give a single ctor/dtor a linkage name. |
| 574 | if (!IsCtorOrDtor) |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 575 | MethodLinkageName = CGM.getMangledName(Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 576 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 577 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 578 | |
| 579 | // Get the location for the method. |
| 580 | SourceLocation MethodDefLoc = Method->getLocation(); |
| 581 | PresumedLoc PLoc = SM.getPresumedLoc(MethodDefLoc); |
| 582 | llvm::DICompileUnit MethodDefUnit; |
| 583 | unsigned MethodLine = 0; |
| 584 | |
| 585 | if (!PLoc.isInvalid()) { |
| 586 | MethodDefUnit = getOrCreateCompileUnit(MethodDefLoc); |
| 587 | MethodLine = PLoc.getLine(); |
| 588 | } |
| 589 | |
| 590 | // Collect virtual method info. |
| 591 | llvm::DIType ContainingType; |
| 592 | unsigned Virtuality = 0; |
| 593 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 594 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 595 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 596 | if (Method->isPure()) |
| 597 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 598 | else |
| 599 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 600 | |
| 601 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 602 | // since a single destructor has two entries in the vtable. |
| 603 | if (!isa<CXXDestructorDecl>(Method)) |
| 604 | VIndex = CGM.getVtableInfo().getMethodVtableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 605 | ContainingType = RecordTy; |
| 606 | } |
| 607 | |
| 608 | llvm::DISubprogram SP = |
| 609 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 610 | MethodLinkageName, |
| 611 | MethodDefUnit, MethodLine, |
| 612 | MethodTy, /*isLocalToUnit=*/false, |
| 613 | Method->isThisDeclarationADefinition(), |
| 614 | Virtuality, VIndex, ContainingType); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 615 | |
| 616 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 617 | // a single ctor or dtor. |
| 618 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
| 619 | SPCache[Method] = llvm::WeakVH(SP.getNode()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 620 | |
| 621 | return SP; |
| 622 | } |
| 623 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 624 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 625 | /// C++ member functions.This is used while creating debug info entry for |
| 626 | /// a Record. |
| 627 | void CGDebugInfo:: |
| 628 | CollectCXXMemberFunctions(const CXXRecordDecl *Decl, |
| 629 | llvm::DICompileUnit Unit, |
| 630 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 631 | llvm::DICompositeType &RecordTy) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 632 | for(CXXRecordDecl::method_iterator I = Decl->method_begin(), |
| 633 | E = Decl->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 634 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 635 | |
| 636 | if (Method->isImplicit()) |
| 637 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 638 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 639 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 640 | } |
| 641 | } |
| 642 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 643 | /// CollectCXXBases - A helper function to collect debug info for |
| 644 | /// C++ base classes. This is used while creating debug info entry for |
| 645 | /// a Record. |
| 646 | void CGDebugInfo:: |
| 647 | CollectCXXBases(const CXXRecordDecl *Decl, |
| 648 | llvm::DICompileUnit Unit, |
| 649 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 650 | llvm::DICompositeType &RecordTy) { |
| 651 | |
| 652 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(Decl); |
| 653 | for (CXXRecordDecl::base_class_const_iterator BI = Decl->bases_begin(), |
| 654 | BE = Decl->bases_end(); BI != BE; ++BI) { |
| 655 | unsigned BFlags = 0; |
Anders Carlsson | e70d391 | 2010-01-26 05:26:39 +0000 | [diff] [blame] | 656 | uint64_t BaseOffset; |
| 657 | |
| 658 | const CXXRecordDecl *Base = |
| 659 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 660 | |
| 661 | if (BI->isVirtual()) { |
| 662 | BaseOffset = RL.getVBaseClassOffset(Base); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 663 | BFlags = llvm::DIType::FlagVirtual; |
Anders Carlsson | e70d391 | 2010-01-26 05:26:39 +0000 | [diff] [blame] | 664 | } else |
| 665 | BaseOffset = RL.getBaseClassOffset(Base); |
| 666 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 667 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 668 | if (Access == clang::AS_private) |
| 669 | BFlags |= llvm::DIType::FlagPrivate; |
| 670 | else if (Access == clang::AS_protected) |
| 671 | BFlags |= llvm::DIType::FlagProtected; |
| 672 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 673 | llvm::DIType DTy = |
| 674 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 675 | RecordTy, llvm::StringRef(), |
| 676 | llvm::DICompileUnit(), 0, 0, 0, |
Anders Carlsson | e70d391 | 2010-01-26 05:26:39 +0000 | [diff] [blame] | 677 | BaseOffset, BFlags, |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 678 | getOrCreateType(BI->getType(), |
| 679 | Unit)); |
| 680 | EltTys.push_back(DTy); |
| 681 | } |
| 682 | } |
| 683 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 684 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 685 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
| 686 | llvm::DICompileUnit Unit) { |
Douglas Gregor | a4c46df | 2008-12-11 17:59:21 +0000 | [diff] [blame] | 687 | RecordDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 688 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 689 | unsigned Tag; |
| 690 | if (Decl->isStruct()) |
| 691 | Tag = llvm::dwarf::DW_TAG_structure_type; |
| 692 | else if (Decl->isUnion()) |
| 693 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 694 | else { |
| 695 | assert(Decl->isClass() && "Unknown RecordType!"); |
| 696 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 697 | } |
| 698 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 699 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 700 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 701 | // Get overall information about the record type for the debug info. |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 702 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 703 | llvm::DICompileUnit DefUnit; |
| 704 | unsigned Line = 0; |
| 705 | if (!PLoc.isInvalid()) { |
| 706 | DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
| 707 | Line = PLoc.getLine(); |
| 708 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 709 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 710 | // Records and classes and unions can all be recursive. To handle them, we |
| 711 | // first generate a debug descriptor for the struct as a forward declaration. |
| 712 | // Then (if it is a definition) we go through and get debug info for all of |
| 713 | // its members. Finally, we create a descriptor for the complete type (which |
| 714 | // may refer to the forward decl if the struct is recursive) and replace all |
| 715 | // uses of the forward declaration with the final definition. |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 716 | |
| 717 | // A Decl->getName() is not unique. However, the debug info descriptors |
| 718 | // are uniqued. The debug info descriptor describing record's context is |
| 719 | // necessary to keep two Decl's descriptor unique if their name match. |
| 720 | // FIXME : Use RecordDecl's DeclContext's descriptor. As a temp. step |
| 721 | // use type's name in FwdDecl. |
| 722 | std::string STy = QualType(Ty, 0).getAsString(); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 723 | llvm::DICompositeType FwdDecl = |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 724 | DebugFactory.CreateCompositeType(Tag, Unit, STy.c_str(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 725 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 726 | llvm::DIType(), llvm::DIArray()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 727 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 728 | // If this is just a forward declaration, return it. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 729 | if (!Decl->getDefinition(CGM.getContext())) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 730 | return FwdDecl; |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 731 | |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 732 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 733 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 734 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 735 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 736 | |
| 737 | // Convert all the elements. |
| 738 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 739 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 740 | CollectRecordFields(Decl, Unit, EltTys); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 741 | if (CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(Decl)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 742 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 743 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
| 744 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 745 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 746 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 747 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 748 | |
| 749 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 750 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 751 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 752 | |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 753 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 754 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 755 | DefUnit, Line, Size, Align, 0, 0, |
| 756 | llvm::DIType(), Elements); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 757 | |
| 758 | // Now that we have a real decl for the struct, replace anything using the |
| 759 | // 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] | 760 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 761 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 762 | return RealDecl; |
| 763 | } |
| 764 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 765 | /// CreateType - get objective-c interface type. |
| 766 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
| 767 | llvm::DICompileUnit Unit) { |
| 768 | ObjCInterfaceDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 769 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 770 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 771 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 772 | |
| 773 | // Get overall information about the record type for the debug info. |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 774 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 775 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 776 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 777 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 778 | |
Daniel Dunbar | d86d336 | 2009-05-18 20:51:58 +0000 | [diff] [blame] | 779 | unsigned RuntimeLang = DefUnit.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 780 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 781 | // To handle recursive interface, we |
| 782 | // first generate a debug descriptor for the struct as a forward declaration. |
| 783 | // Then (if it is a definition) we go through and get debug info for all of |
| 784 | // its members. Finally, we create a descriptor for the complete type (which |
| 785 | // may refer to the forward decl if the struct is recursive) and replace all |
| 786 | // uses of the forward declaration with the final definition. |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 787 | llvm::DICompositeType FwdDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 788 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 789 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 790 | llvm::DIType(), llvm::DIArray(), |
| 791 | RuntimeLang); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 792 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 793 | // If this is just a forward declaration, return it. |
| 794 | if (Decl->isForwardDecl()) |
| 795 | return FwdDecl; |
| 796 | |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 797 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 798 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 799 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 800 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 801 | |
| 802 | // Convert all the elements. |
| 803 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 804 | |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 805 | ObjCInterfaceDecl *SClass = Decl->getSuperClass(); |
| 806 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 807 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 808 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 809 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 810 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Chris Lattner | 9e55b8a | 2009-05-05 05:05:36 +0000 | [diff] [blame] | 811 | Unit, "", llvm::DICompileUnit(), 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 812 | 0 /* offset */, 0, SClassTy); |
| 813 | EltTys.push_back(InhTag); |
| 814 | } |
| 815 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 816 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 817 | |
| 818 | unsigned FieldNo = 0; |
| 819 | for (ObjCInterfaceDecl::ivar_iterator I = Decl->ivar_begin(), |
| 820 | E = Decl->ivar_end(); I != E; ++I, ++FieldNo) { |
| 821 | ObjCIvarDecl *Field = *I; |
| 822 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 823 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 824 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 825 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 826 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 827 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 828 | continue; |
| 829 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 830 | // Get the location for the field. |
| 831 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 832 | llvm::DICompileUnit FieldDefUnit = getOrCreateCompileUnit(FieldDefLoc); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 833 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 834 | unsigned FieldLine = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 835 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 836 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 837 | QualType FType = Field->getType(); |
| 838 | uint64_t FieldSize = 0; |
| 839 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 840 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 841 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 842 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 843 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 844 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 845 | Expr *BitWidth = Field->getBitWidth(); |
| 846 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 847 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 848 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 849 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 850 | } |
| 851 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 852 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 853 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 854 | unsigned Flags = 0; |
| 855 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
| 856 | Flags = llvm::DIType::FlagProtected; |
| 857 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
| 858 | Flags = llvm::DIType::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 859 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 860 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 861 | // struct. FIXME: This is an absolutely insane way to capture this |
| 862 | // information. When we gut debug info, this should be fixed. |
| 863 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 864 | FieldName, FieldDefUnit, |
| 865 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 866 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 867 | EltTys.push_back(FieldTy); |
| 868 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 869 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 870 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 871 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 872 | |
| 873 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 874 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 875 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 876 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 877 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 878 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 879 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 880 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 881 | |
| 882 | // Now that we have a real decl for the struct, replace anything using the |
| 883 | // 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] | 884 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 885 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 886 | return RealDecl; |
| 887 | } |
| 888 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 889 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
| 890 | llvm::DICompileUnit Unit) { |
| 891 | EnumDecl *Decl = Ty->getDecl(); |
| 892 | |
| 893 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 894 | |
| 895 | // Create DIEnumerator elements for each enumerator. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 896 | for (EnumDecl::enumerator_iterator |
Argyrios Kyrtzidis | 17945a0 | 2009-06-30 02:36:12 +0000 | [diff] [blame] | 897 | Enum = Decl->enumerator_begin(), EnumEnd = Decl->enumerator_end(); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 898 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 899 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 900 | Enum->getInitVal().getZExtValue())); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 901 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 902 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 903 | // Return a CompositeType for the enum itself. |
| 904 | llvm::DIArray EltArray = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 905 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 906 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 907 | SourceLocation DefLoc = Decl->getLocation(); |
| 908 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(DefLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 909 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 910 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 911 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 912 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 913 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 914 | // Size and align of the type. |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 915 | uint64_t Size = 0; |
| 916 | unsigned Align = 0; |
| 917 | if (!Ty->isIncompleteType()) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 918 | Size = CGM.getContext().getTypeSize(Ty); |
| 919 | Align = CGM.getContext().getTypeAlign(Ty); |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 920 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 921 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 922 | llvm::DIType DbgTy = |
| 923 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 924 | Unit, Decl->getName(), DefUnit, Line, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 925 | Size, Align, 0, 0, |
| 926 | llvm::DIType(), EltArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 927 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 928 | } |
| 929 | |
| 930 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
| 931 | llvm::DICompileUnit Unit) { |
| 932 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 933 | return CreateType(RT, Unit); |
| 934 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 935 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 936 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 937 | return llvm::DIType(); |
| 938 | } |
| 939 | |
| 940 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
| 941 | llvm::DICompileUnit Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 942 | uint64_t Size; |
| 943 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 944 | |
| 945 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 946 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 947 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 948 | Size = 0; |
| 949 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 950 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 951 | } else if (Ty->isIncompleteArrayType()) { |
| 952 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 953 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 954 | } else { |
| 955 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 956 | Size = CGM.getContext().getTypeSize(Ty); |
| 957 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 958 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 959 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 960 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 961 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 962 | // obvious/recursive way? |
| 963 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 964 | QualType EltTy(Ty, 0); |
| 965 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 966 | uint64_t Upper = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 967 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
Devang Patel | 5a6bfe3 | 2009-08-14 20:57:45 +0000 | [diff] [blame] | 968 | if (CAT->getSize().getZExtValue()) |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 969 | Upper = CAT->getSize().getZExtValue() - 1; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 970 | // FIXME: Verify this is right for VLAs. |
| 971 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 972 | EltTy = Ty->getElementType(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 973 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 974 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 975 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 976 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 977 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 978 | llvm::DIType DbgTy = |
| 979 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
| 980 | Unit, "", llvm::DICompileUnit(), |
| 981 | 0, Size, Align, 0, 0, |
| 982 | getOrCreateType(EltTy, Unit), |
| 983 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 984 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 985 | } |
| 986 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 987 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
| 988 | llvm::DICompileUnit Unit) { |
| 989 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 990 | Ty, Ty->getPointeeType(), Unit); |
| 991 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 992 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 993 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
| 994 | llvm::DICompileUnit U) { |
| 995 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 996 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 997 | |
| 998 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 999 | // We have a data member pointer type. |
| 1000 | return PointerDiffDITy; |
| 1001 | } |
| 1002 | |
| 1003 | // We have a member function pointer type. Treat it as a struct with two |
| 1004 | // ptrdiff_t members. |
| 1005 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1006 | |
| 1007 | uint64_t FieldOffset = 0; |
| 1008 | llvm::DIDescriptor ElementTypes[2]; |
| 1009 | |
| 1010 | // FIXME: This should probably be a function type instead. |
| 1011 | ElementTypes[0] = |
| 1012 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 1013 | "ptr", llvm::DICompileUnit(), 0, |
| 1014 | Info.first, Info.second, FieldOffset, 0, |
| 1015 | PointerDiffDITy); |
| 1016 | FieldOffset += Info.first; |
| 1017 | |
| 1018 | ElementTypes[1] = |
| 1019 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 1020 | "ptr", llvm::DICompileUnit(), 0, |
| 1021 | Info.first, Info.second, FieldOffset, 0, |
| 1022 | PointerDiffDITy); |
| 1023 | |
| 1024 | llvm::DIArray Elements = |
| 1025 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 1026 | llvm::array_lengthof(ElementTypes)); |
| 1027 | |
| 1028 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 1029 | U, llvm::StringRef("test"), |
| 1030 | llvm::DICompileUnit(), 0, FieldOffset, |
| 1031 | 0, 0, 0, llvm::DIType(), Elements); |
| 1032 | } |
| 1033 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1034 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1035 | do { |
| 1036 | QualType LastT = T; |
| 1037 | switch (T->getTypeClass()) { |
| 1038 | default: |
| 1039 | return T; |
| 1040 | case Type::TemplateSpecialization: |
| 1041 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1042 | break; |
| 1043 | case Type::TypeOfExpr: { |
| 1044 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1045 | T = Ty->getUnderlyingExpr()->getType(); |
| 1046 | break; |
| 1047 | } |
| 1048 | case Type::TypeOf: |
| 1049 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1050 | break; |
| 1051 | case Type::Decltype: |
| 1052 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1053 | break; |
| 1054 | case Type::QualifiedName: |
| 1055 | T = cast<QualifiedNameType>(T)->getNamedType(); |
| 1056 | break; |
| 1057 | case Type::SubstTemplateTypeParm: |
| 1058 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1059 | break; |
| 1060 | case Type::Elaborated: |
| 1061 | T = cast<ElaboratedType>(T)->getUnderlyingType(); |
| 1062 | break; |
| 1063 | } |
| 1064 | |
| 1065 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1066 | if (T == LastT) |
| 1067 | return T; |
| 1068 | } while (true); |
| 1069 | |
| 1070 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1073 | /// getOrCreateType - Get the type from the cache or create a new |
| 1074 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1075 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
| 1076 | llvm::DICompileUnit Unit) { |
| 1077 | if (Ty.isNull()) |
| 1078 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1079 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1080 | // Unwrap the type as needed for debug information. |
| 1081 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1082 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1083 | // Check for existing entry. |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1084 | std::map<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1085 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1086 | if (it != TypeCache.end()) { |
| 1087 | // Verify that the debug info still exists. |
| 1088 | if (&*it->second) |
| 1089 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1090 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1091 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1092 | // Otherwise create the type. |
| 1093 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1094 | |
| 1095 | // And update the type cache. |
| 1096 | TypeCache[Ty.getAsOpaquePtr()] = Res.getNode(); |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1097 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1100 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1101 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
| 1102 | llvm::DICompileUnit Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1103 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1104 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1105 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1106 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1107 | const char *Diag = 0; |
| 1108 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1109 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1110 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1111 | #define TYPE(Class, Base) |
| 1112 | #define ABSTRACT_TYPE(Class, Base) |
| 1113 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1114 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1115 | #include "clang/AST/TypeNodes.def" |
| 1116 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1117 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1118 | // FIXME: Handle these. |
| 1119 | case Type::ExtVector: |
| 1120 | case Type::Vector: |
| 1121 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1122 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1123 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1124 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1125 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1126 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1127 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1128 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1129 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1130 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1131 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1132 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1133 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1134 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1135 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1136 | case Type::FunctionProto: |
| 1137 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1138 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1139 | case Type::ConstantArray: |
| 1140 | case Type::VariableArray: |
| 1141 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1142 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1143 | |
| 1144 | case Type::LValueReference: |
| 1145 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1146 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1147 | case Type::MemberPointer: |
| 1148 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1149 | |
| 1150 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1151 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1152 | case Type::QualifiedName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1153 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1154 | case Type::TypeOfExpr: |
| 1155 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1156 | case Type::Decltype: |
| 1157 | llvm_unreachable("type should have been unwrapped!"); |
| 1158 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1159 | |
| 1160 | case Type::RValueReference: |
| 1161 | // FIXME: Implement! |
| 1162 | Diag = "rvalue references"; |
| 1163 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1164 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1165 | |
| 1166 | assert(Diag && "Fall through without a diagnostic?"); |
| 1167 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1168 | "debug information for %0 is not yet supported"); |
| 1169 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1170 | << Diag; |
| 1171 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1172 | } |
| 1173 | |
| 1174 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1175 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1176 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1177 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1178 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1179 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1180 | llvm::StringRef Name; |
| 1181 | llvm::StringRef LinkageName; |
| 1182 | |
| 1183 | const Decl *D = GD.getDecl(); |
| 1184 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1185 | // If there is a DISubprogram for this function available then use it. |
| 1186 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1187 | FI = SPCache.find(FD); |
| 1188 | if (FI != SPCache.end()) { |
| 1189 | llvm::DISubprogram SP(dyn_cast_or_null<llvm::MDNode>(FI->second)); |
| 1190 | if (!SP.isNull() && SP.isSubprogram() && SP.isDefinition()) { |
| 1191 | RegionStack.push_back(SP.getNode()); |
| 1192 | return; |
| 1193 | } |
| 1194 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1195 | Name = getFunctionName(FD); |
Eli Friedman | 3364e62 | 2010-01-16 00:43:13 +0000 | [diff] [blame] | 1196 | if (!Name.empty() && Name[0] == '\01') |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1197 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1198 | // Use mangled name as linkage name for c/c++ functions. |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1199 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1200 | } else { |
| 1201 | // Use llvm function name as linkage name. |
| 1202 | Name = Fn->getName(); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1203 | LinkageName = Name; |
Devang Patel | 1758420 | 2010-01-19 00:25:12 +0000 | [diff] [blame] | 1204 | if (!Name.empty() && Name[0] == '\01') |
| 1205 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1206 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1207 | |
Devang Patel | 98a200b | 2010-01-14 18:06:13 +0000 | [diff] [blame] | 1208 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1209 | // Usually, CurLoc points to the left bracket location of compound |
| 1210 | // statement representing function body. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1211 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1212 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1213 | unsigned LineNo = SM.getPresumedLoc(CurLoc).getLine(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1214 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1215 | llvm::DISubprogram SP = |
Devang Patel | 6dba432 | 2009-07-14 21:31:22 +0000 | [diff] [blame] | 1216 | DebugFactory.CreateSubprogram(Unit, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1217 | getOrCreateType(FnType, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1218 | Fn->hasInternalLinkage(), true/*definition*/); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1219 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1220 | // Push function on region stack. |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1221 | RegionStack.push_back(SP.getNode()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1222 | } |
| 1223 | |
| 1224 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1225 | void CGDebugInfo::EmitStopPoint(llvm::Function *Fn, CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1226 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1227 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1228 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1229 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1230 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1231 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1232 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1233 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
| 1234 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1235 | |
| 1236 | // Update last state. |
| 1237 | PrevLoc = CurLoc; |
| 1238 | |
| 1239 | // Get the appropriate compile unit. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1240 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1241 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1242 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1243 | llvm::DIDescriptor DR(RegionStack.back()); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1244 | llvm::DIScope DS = llvm::DIScope(DR.getNode()); |
| 1245 | llvm::DILocation DO(NULL); |
| 1246 | llvm::DILocation DL = |
| 1247 | DebugFactory.CreateLocation(PLoc.getLine(), PLoc.getColumn(), |
| 1248 | DS, DO); |
| 1249 | Builder.SetCurrentDebugLocation(DL.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1253 | /// region - "llvm.dbg.region.start.". |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1254 | void CGDebugInfo::EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1255 | llvm::DIDescriptor D = |
| 1256 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1257 | llvm::DIDescriptor() : |
| 1258 | llvm::DIDescriptor(RegionStack.back())); |
| 1259 | RegionStack.push_back(D.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1260 | } |
| 1261 | |
| 1262 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1263 | /// region - "llvm.dbg.region.end." |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1264 | void CGDebugInfo::EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1265 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1266 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1267 | // Provide an region stop point. |
| 1268 | EmitStopPoint(Fn, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1269 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1270 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1271 | } |
| 1272 | |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1273 | /// EmitDeclare - Emit local variable declaration debug info. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1274 | void CGDebugInfo::EmitDeclare(const VarDecl *Decl, unsigned Tag, |
| 1275 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1276 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1277 | |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1278 | // Do not emit variable debug information while generating optimized code. |
| 1279 | // The llvm optimizer and code generator are not yet ready to support |
| 1280 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1281 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1282 | if (CGO.OptimizationLevel) |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1283 | return; |
| 1284 | |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1285 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1286 | QualType Type = Decl->getType(); |
| 1287 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
| 1288 | if (Decl->hasAttr<BlocksAttr>()) { |
| 1289 | llvm::DICompileUnit DefUnit; |
| 1290 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1291 | |
| 1292 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1293 | |
| 1294 | llvm::DIType FieldTy; |
| 1295 | |
| 1296 | QualType FType; |
| 1297 | uint64_t FieldSize, FieldOffset; |
| 1298 | unsigned FieldAlign; |
| 1299 | |
| 1300 | llvm::DIArray Elements; |
| 1301 | llvm::DIType EltTy; |
| 1302 | |
| 1303 | // Build up structure for the byref. See BuildByRefType. |
| 1304 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1305 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1306 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1307 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1308 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1309 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1310 | "__isa", DefUnit, |
| 1311 | 0, FieldSize, FieldAlign, |
| 1312 | FieldOffset, 0, FieldTy); |
| 1313 | EltTys.push_back(FieldTy); |
| 1314 | FieldOffset += FieldSize; |
| 1315 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1316 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1317 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1318 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1319 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1320 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1321 | "__forwarding", DefUnit, |
| 1322 | 0, FieldSize, FieldAlign, |
| 1323 | FieldOffset, 0, FieldTy); |
| 1324 | EltTys.push_back(FieldTy); |
| 1325 | FieldOffset += FieldSize; |
| 1326 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1327 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1328 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1329 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1330 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1331 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1332 | "__flags", DefUnit, |
| 1333 | 0, FieldSize, FieldAlign, |
| 1334 | FieldOffset, 0, FieldTy); |
| 1335 | EltTys.push_back(FieldTy); |
| 1336 | FieldOffset += FieldSize; |
| 1337 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1338 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1339 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1340 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1341 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1342 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1343 | "__size", DefUnit, |
| 1344 | 0, FieldSize, FieldAlign, |
| 1345 | FieldOffset, 0, FieldTy); |
| 1346 | EltTys.push_back(FieldTy); |
| 1347 | FieldOffset += FieldSize; |
| 1348 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1349 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1350 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1351 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1352 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1353 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1354 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1355 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1356 | "__copy_helper", DefUnit, |
| 1357 | 0, FieldSize, FieldAlign, |
| 1358 | FieldOffset, 0, FieldTy); |
| 1359 | EltTys.push_back(FieldTy); |
| 1360 | FieldOffset += FieldSize; |
| 1361 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1362 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1363 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1364 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1365 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1366 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1367 | "__destroy_helper", DefUnit, |
| 1368 | 0, FieldSize, FieldAlign, |
| 1369 | FieldOffset, 0, FieldTy); |
| 1370 | EltTys.push_back(FieldTy); |
| 1371 | FieldOffset += FieldSize; |
| 1372 | } |
| 1373 | |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1374 | CharUnits Align = CGM.getContext().getDeclAlign(Decl); |
| 1375 | if (Align > CharUnits::fromQuantity( |
| 1376 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1377 | unsigned AlignedOffsetInBytes |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1378 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1379 | unsigned NumPaddingBytes |
Mike Stump | fd47b31 | 2009-09-22 02:44:17 +0000 | [diff] [blame] | 1380 | = AlignedOffsetInBytes - FieldOffset/8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1381 | |
| 1382 | if (NumPaddingBytes > 0) { |
| 1383 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1384 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1385 | pad, ArrayType::Normal, 0); |
| 1386 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1387 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1388 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1389 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1390 | Unit, "", DefUnit, |
| 1391 | 0, FieldSize, FieldAlign, |
| 1392 | FieldOffset, 0, FieldTy); |
| 1393 | EltTys.push_back(FieldTy); |
| 1394 | FieldOffset += FieldSize; |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | FType = Type; |
| 1399 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1400 | FieldSize = CGM.getContext().getTypeSize(FType); |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1401 | FieldAlign = Align.getQuantity()*8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1402 | |
| 1403 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1404 | Decl->getName(), DefUnit, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1405 | 0, FieldSize, FieldAlign, |
| 1406 | FieldOffset, 0, FieldTy); |
| 1407 | EltTys.push_back(FieldTy); |
| 1408 | FieldOffset += FieldSize; |
| 1409 | |
| 1410 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1411 | |
| 1412 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1413 | |
| 1414 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1415 | llvm::DICompileUnit(), |
| 1416 | 0, FieldOffset, 0, 0, Flags, |
| 1417 | llvm::DIType(), Elements); |
| 1418 | } |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1419 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1420 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1421 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1422 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1423 | unsigned Line = 0; |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1424 | unsigned Column = 0; |
| 1425 | if (!PLoc.isInvalid()) { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1426 | Line = PLoc.getLine(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1427 | Column = PLoc.getColumn(); |
| 1428 | } else { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1429 | Unit = llvm::DICompileUnit(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1430 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1431 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1432 | // Create the descriptor for the variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1433 | llvm::DIVariable D = |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1434 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1435 | Decl->getName(), |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1436 | Unit, Line, Ty); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1437 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1438 | llvm::Instruction *Call = |
Devang Patel | a020380 | 2009-11-10 23:07:24 +0000 | [diff] [blame] | 1439 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1440 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1441 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1442 | llvm::DILocation DO(NULL); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1443 | llvm::DILocation DL = DebugFactory.CreateLocation(Line, Column, DS, DO); |
| 1444 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1445 | Call->setMetadata("dbg", DL.getNode()); |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1446 | } |
| 1447 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1448 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1449 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1450 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1451 | CodeGenFunction *CGF) { |
| 1452 | const ValueDecl *Decl = BDRE->getDecl(); |
| 1453 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1454 | |
| 1455 | // Do not emit variable debug information while generating optimized code. |
| 1456 | // The llvm optimizer and code generator are not yet ready to support |
| 1457 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1458 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1459 | if (CGO.OptimizationLevel || Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1460 | return; |
| 1461 | |
| 1462 | uint64_t XOffset = 0; |
| 1463 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
| 1464 | QualType Type = Decl->getType(); |
| 1465 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
| 1466 | if (Decl->hasAttr<BlocksAttr>()) { |
| 1467 | llvm::DICompileUnit DefUnit; |
| 1468 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1469 | |
| 1470 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1471 | |
| 1472 | llvm::DIType FieldTy; |
| 1473 | |
| 1474 | QualType FType; |
| 1475 | uint64_t FieldSize, FieldOffset; |
| 1476 | unsigned FieldAlign; |
| 1477 | |
| 1478 | llvm::DIArray Elements; |
| 1479 | llvm::DIType EltTy; |
| 1480 | |
| 1481 | // Build up structure for the byref. See BuildByRefType. |
| 1482 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1483 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1484 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1485 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1486 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1487 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1488 | "__isa", DefUnit, |
| 1489 | 0, FieldSize, FieldAlign, |
| 1490 | FieldOffset, 0, FieldTy); |
| 1491 | EltTys.push_back(FieldTy); |
| 1492 | FieldOffset += FieldSize; |
| 1493 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1494 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1495 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1496 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1497 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1498 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1499 | "__forwarding", DefUnit, |
| 1500 | 0, FieldSize, FieldAlign, |
| 1501 | FieldOffset, 0, FieldTy); |
| 1502 | EltTys.push_back(FieldTy); |
| 1503 | FieldOffset += FieldSize; |
| 1504 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1505 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1506 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1507 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1508 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1509 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1510 | "__flags", DefUnit, |
| 1511 | 0, FieldSize, FieldAlign, |
| 1512 | FieldOffset, 0, FieldTy); |
| 1513 | EltTys.push_back(FieldTy); |
| 1514 | FieldOffset += FieldSize; |
| 1515 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1516 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1517 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1518 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1519 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1520 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1521 | "__size", DefUnit, |
| 1522 | 0, FieldSize, FieldAlign, |
| 1523 | FieldOffset, 0, FieldTy); |
| 1524 | EltTys.push_back(FieldTy); |
| 1525 | FieldOffset += FieldSize; |
| 1526 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1527 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1528 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1529 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1530 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1531 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1532 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1533 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1534 | "__copy_helper", DefUnit, |
| 1535 | 0, FieldSize, FieldAlign, |
| 1536 | FieldOffset, 0, FieldTy); |
| 1537 | EltTys.push_back(FieldTy); |
| 1538 | FieldOffset += FieldSize; |
| 1539 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1540 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1541 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1542 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1543 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1544 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1545 | "__destroy_helper", DefUnit, |
| 1546 | 0, FieldSize, FieldAlign, |
| 1547 | FieldOffset, 0, FieldTy); |
| 1548 | EltTys.push_back(FieldTy); |
| 1549 | FieldOffset += FieldSize; |
| 1550 | } |
| 1551 | |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1552 | CharUnits Align = CGM.getContext().getDeclAlign(Decl); |
| 1553 | if (Align > CharUnits::fromQuantity( |
| 1554 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1555 | unsigned AlignedOffsetInBytes |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1556 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1557 | unsigned NumPaddingBytes |
| 1558 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1559 | |
| 1560 | if (NumPaddingBytes > 0) { |
| 1561 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1562 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1563 | pad, ArrayType::Normal, 0); |
| 1564 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1565 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1566 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1567 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1568 | Unit, "", DefUnit, |
| 1569 | 0, FieldSize, FieldAlign, |
| 1570 | FieldOffset, 0, FieldTy); |
| 1571 | EltTys.push_back(FieldTy); |
| 1572 | FieldOffset += FieldSize; |
| 1573 | } |
| 1574 | } |
| 1575 | |
| 1576 | FType = Type; |
| 1577 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1578 | FieldSize = CGM.getContext().getTypeSize(FType); |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1579 | FieldAlign = Align.getQuantity()*8; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1580 | |
| 1581 | XOffset = FieldOffset; |
| 1582 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1583 | Decl->getName(), DefUnit, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1584 | 0, FieldSize, FieldAlign, |
| 1585 | FieldOffset, 0, FieldTy); |
| 1586 | EltTys.push_back(FieldTy); |
| 1587 | FieldOffset += FieldSize; |
| 1588 | |
| 1589 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1590 | |
| 1591 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1592 | |
| 1593 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1594 | llvm::DICompileUnit(), |
| 1595 | 0, FieldOffset, 0, 0, Flags, |
| 1596 | llvm::DIType(), Elements); |
| 1597 | } |
| 1598 | |
| 1599 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1600 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1601 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1602 | unsigned Line = 0; |
| 1603 | if (!PLoc.isInvalid()) |
| 1604 | Line = PLoc.getLine(); |
| 1605 | else |
| 1606 | Unit = llvm::DICompileUnit(); |
| 1607 | |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1608 | CharUnits offset = CGF->BlockDecls[Decl]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1609 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1610 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1611 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1612 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1613 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1614 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1615 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1616 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1617 | // offset of __forwarding field |
| 1618 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1619 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1620 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1621 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1622 | // offset of x field |
| 1623 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1624 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1625 | } |
| 1626 | |
| 1627 | // Create the descriptor for the variable. |
| 1628 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1629 | DebugFactory.CreateComplexVariable(Tag, |
| 1630 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1631 | Decl->getName(), Unit, Line, Ty, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1632 | addr); |
| 1633 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1634 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1635 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1636 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1637 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1638 | llvm::DILocation DO(NULL); |
| 1639 | llvm::DILocation DL = |
| 1640 | DebugFactory.CreateLocation(Line, PLoc.getColumn(), DS, DO); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1641 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1642 | Call->setMetadata("dbg", DL.getNode()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1643 | } |
| 1644 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1645 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *Decl, |
| 1646 | llvm::Value *Storage, |
| 1647 | CGBuilderTy &Builder) { |
| 1648 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
| 1649 | } |
| 1650 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1651 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1652 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1653 | CodeGenFunction *CGF) { |
| 1654 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1655 | } |
| 1656 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1657 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1658 | /// variable declaration. |
| 1659 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI, |
| 1660 | CGBuilderTy &Builder) { |
| 1661 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
| 1662 | } |
| 1663 | |
| 1664 | |
| 1665 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1666 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1667 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1668 | const VarDecl *Decl) { |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1669 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1670 | // Create global variable debug descriptor. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1671 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1672 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1673 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1674 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1675 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1676 | QualType T = Decl->getType(); |
| 1677 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1678 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1679 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1680 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1681 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1682 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1683 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1684 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1685 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1686 | ArrayType::Normal, 0); |
| 1687 | } |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1688 | llvm::StringRef DeclName = Decl->getName(); |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 1689 | DebugFactory.CreateGlobalVariable(getContext(Decl, Unit), DeclName, DeclName, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1690 | llvm::StringRef(), Unit, LineNo, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1691 | getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1692 | Var->hasInternalLinkage(), |
| 1693 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1694 | } |
| 1695 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1696 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1697 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1698 | ObjCInterfaceDecl *Decl) { |
| 1699 | // Create global variable debug descriptor. |
| 1700 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1701 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1702 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1703 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1704 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1705 | llvm::StringRef Name = Decl->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1706 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1707 | QualType T = CGM.getContext().getObjCInterfaceType(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1708 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1709 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1710 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1711 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1712 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1713 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1714 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1715 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1716 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1717 | ArrayType::Normal, 0); |
| 1718 | } |
| 1719 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1720 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1721 | getOrCreateType(T, Unit), |
| 1722 | Var->hasInternalLinkage(), |
| 1723 | true/*definition*/, Var); |
| 1724 | } |