Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1 | //===--- CGDebugInfo.cpp - Emit Debug Information for a Module ------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This coordinates the debug information generation while generating code. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "CGDebugInfo.h" |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 15 | #include "CodeGenFunction.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 16 | #include "CodeGenModule.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 17 | #include "clang/AST/ASTContext.h" |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 18 | #include "clang/AST/DeclObjC.h" |
Chris Lattner | 3cc5c40 | 2008-11-11 07:01:36 +0000 | [diff] [blame] | 19 | #include "clang/AST/Expr.h" |
Anders Carlsson | 19cc4ab | 2009-07-18 19:43:29 +0000 | [diff] [blame] | 20 | #include "clang/AST/RecordLayout.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 21 | #include "clang/Basic/SourceManager.h" |
| 22 | #include "clang/Basic/FileManager.h" |
Mike Stump | 5a86217 | 2009-09-15 21:48:34 +0000 | [diff] [blame] | 23 | #include "clang/Basic/Version.h" |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 24 | #include "clang/CodeGen/CodeGenOptions.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 25 | #include "llvm/Constants.h" |
| 26 | #include "llvm/DerivedTypes.h" |
| 27 | #include "llvm/Instructions.h" |
| 28 | #include "llvm/Intrinsics.h" |
| 29 | #include "llvm/Module.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringExtras.h" |
| 31 | #include "llvm/ADT/SmallVector.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 32 | #include "llvm/Support/Dwarf.h" |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 33 | #include "llvm/System/Path.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 34 | #include "llvm/Target/TargetMachine.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 35 | using namespace clang; |
| 36 | using namespace clang::CodeGen; |
| 37 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 38 | CGDebugInfo::CGDebugInfo(CodeGenModule &CGM) |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 39 | : CGM(CGM), DebugFactory(CGM.getModule()), |
Devang Patel | 7573f8b | 2010-03-09 21:32:27 +0000 | [diff] [blame] | 40 | FwdDeclCount(0), BlockLiteralGenericSet(false) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 41 | CreateCompileUnit(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 42 | } |
| 43 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 44 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 45 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 48 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 49 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 50 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 51 | } |
| 52 | |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 53 | /// getContextDescriptor - Get context info for the decl. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 54 | llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *Context, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 55 | llvm::DIDescriptor &CompileUnit) { |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 56 | if (!Context) |
| 57 | return CompileUnit; |
| 58 | |
| 59 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator |
| 60 | I = RegionMap.find(Context); |
| 61 | if (I != RegionMap.end()) |
| 62 | return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(I->second)); |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 63 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 64 | // Check namespace. |
| 65 | if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context)) |
| 66 | return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit)); |
| 67 | |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 68 | return CompileUnit; |
| 69 | } |
| 70 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 71 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 72 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 73 | /// is stored on the side. |
| 74 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 75 | assert (FD && "Invalid FunctionDecl!"); |
| 76 | IdentifierInfo *FII = FD->getIdentifier(); |
| 77 | if (FII) |
| 78 | return FII->getName(); |
| 79 | |
| 80 | // Otherwise construct human readable name for debug info. |
| 81 | std::string NS = FD->getNameAsString(); |
| 82 | |
| 83 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 84 | char *StrPtr = DebugInfoNames.Allocate<char>(NS.length()); |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 85 | memcpy(StrPtr, NS.data(), NS.length()); |
| 86 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 87 | } |
| 88 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 89 | /// getOrCreateFile - Get the file debug info descriptor for the input location. |
| 90 | llvm::DIFile CGDebugInfo::getOrCreateFile(SourceLocation Loc) { |
| 91 | if (!Loc.isValid()) |
| 92 | // If Location is not valid then use main input file. |
| 93 | return DebugFactory.CreateFile(TheCU.getFilename(), TheCU.getDirectory(), |
| 94 | TheCU); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 95 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 96 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
| 97 | llvm::sys::Path AbsFileName(PLoc.getFilename()); |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 98 | AbsFileName.makeAbsolute(); |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 99 | |
Devang Patel | 683f6db | 2010-03-09 19:14:07 +0000 | [diff] [blame] | 100 | return DebugFactory.CreateFile(AbsFileName.getLast(), |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 101 | AbsFileName.getDirname(), TheCU); |
| 102 | } |
| 103 | /// CreateCompileUnit - Create new compile unit. |
| 104 | void CGDebugInfo::CreateCompileUnit() { |
| 105 | |
| 106 | // Get absolute path name. |
Devang Patel | 22fe585 | 2010-03-12 21:04:27 +0000 | [diff] [blame^] | 107 | std::string MainFileName = CGM.getCodeGenOpts().MainFileName; |
| 108 | if (MainFileName.empty()) |
| 109 | MainFileName = "<unknown>"; |
| 110 | llvm::sys::Path AbsFileName(MainFileName); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 111 | AbsFileName.makeAbsolute(); |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 112 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 113 | unsigned LangTag; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 114 | const LangOptions &LO = CGM.getLangOptions(); |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 115 | if (LO.CPlusPlus) { |
| 116 | if (LO.ObjC1) |
| 117 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 118 | else |
| 119 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 120 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 121 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 122 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 123 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 124 | } else { |
| 125 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 126 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 127 | |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 128 | const char *Producer = |
Mike Stump | d8945d6 | 2009-10-09 18:38:12 +0000 | [diff] [blame] | 129 | #ifdef CLANG_VENDOR |
| 130 | CLANG_VENDOR |
| 131 | #endif |
| 132 | "clang " CLANG_VERSION_STRING; |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 133 | |
| 134 | // Figure out which version of the ObjC runtime we have. |
| 135 | unsigned RuntimeVers = 0; |
| 136 | if (LO.ObjC1) |
| 137 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 138 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 139 | // Create new compile unit. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 140 | TheCU = DebugFactory.CreateCompileUnit( |
| 141 | LangTag, AbsFileName.getLast(), AbsFileName.getDirname(), Producer, true, |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 142 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 143 | } |
| 144 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 145 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 146 | /// one if necessary. |
| 147 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 148 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 149 | unsigned Encoding = 0; |
| 150 | switch (BT->getKind()) { |
| 151 | default: |
| 152 | case BuiltinType::Void: |
| 153 | return llvm::DIType(); |
| 154 | case BuiltinType::UChar: |
| 155 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 156 | case BuiltinType::Char_S: |
| 157 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 158 | case BuiltinType::UShort: |
| 159 | case BuiltinType::UInt: |
| 160 | case BuiltinType::ULong: |
| 161 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 162 | case BuiltinType::Short: |
| 163 | case BuiltinType::Int: |
| 164 | case BuiltinType::Long: |
| 165 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 166 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 167 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 168 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 169 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 170 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 171 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 172 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 173 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 174 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 175 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 176 | llvm::DIType DbgTy = |
| 177 | DebugFactory.CreateBasicType(Unit, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 178 | BT->getName(CGM.getContext().getLangOptions()), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 179 | Unit, 0, Size, Align, |
| 180 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 181 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 182 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 183 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 184 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 185 | llvm::DIFile Unit) { |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 186 | // Bit size, align and offset of the type. |
| 187 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 188 | if (Ty->isComplexIntegerType()) |
| 189 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 190 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 191 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 192 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 193 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 194 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 195 | llvm::DIType DbgTy = |
| 196 | DebugFactory.CreateBasicType(Unit, "complex", |
| 197 | Unit, 0, Size, Align, |
| 198 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 199 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 200 | } |
| 201 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 202 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 203 | /// a new one if necessary. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 204 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 205 | QualifierCollector Qc; |
| 206 | const Type *T = Qc.strip(Ty); |
| 207 | |
| 208 | // Ignore these qualifiers for now. |
| 209 | Qc.removeObjCGCAttr(); |
| 210 | Qc.removeAddressSpace(); |
| 211 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 212 | // We will create one Derived type for one qualifier and recurse to handle any |
| 213 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 214 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 215 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 216 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 217 | Qc.removeConst(); |
| 218 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 219 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 220 | Qc.removeVolatile(); |
| 221 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 222 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 223 | Qc.removeRestrict(); |
| 224 | } else { |
| 225 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 226 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 227 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 228 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 229 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 230 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 231 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 232 | // CVR derived types. |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 233 | llvm::DIType DbgTy = |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 234 | DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 235 | 0, 0, 0, 0, 0, FromTy); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 236 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 237 | } |
| 238 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 239 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 240 | llvm::DIFile Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 241 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 242 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 243 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 244 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 245 | } |
| 246 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 247 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 248 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 249 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 250 | Ty->getPointeeType(), Unit); |
| 251 | } |
| 252 | |
| 253 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 254 | const Type *Ty, |
| 255 | QualType PointeeTy, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 256 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 257 | llvm::DIType EltTy = getOrCreateType(PointeeTy, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 258 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 259 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 260 | |
| 261 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 262 | // because that does not return the correct value for references. |
| 263 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 264 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 265 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 266 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 267 | return |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 268 | DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 269 | 0, Size, Align, 0, 0, EltTy); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 270 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 273 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 274 | llvm::DIFile Unit) { |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 275 | if (BlockLiteralGenericSet) |
| 276 | return BlockLiteralGeneric; |
| 277 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 278 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 279 | |
| 280 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 281 | |
| 282 | llvm::DIType FieldTy; |
| 283 | |
| 284 | QualType FType; |
| 285 | uint64_t FieldSize, FieldOffset; |
| 286 | unsigned FieldAlign; |
| 287 | |
| 288 | llvm::DIArray Elements; |
| 289 | llvm::DIType EltTy, DescTy; |
| 290 | |
| 291 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 292 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 293 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 294 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 295 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 296 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 297 | "reserved", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 298 | 0, FieldSize, FieldAlign, |
| 299 | FieldOffset, 0, FieldTy); |
| 300 | EltTys.push_back(FieldTy); |
| 301 | |
| 302 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 303 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 304 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 305 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 306 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 307 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 308 | "Size", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 309 | 0, FieldSize, FieldAlign, |
| 310 | FieldOffset, 0, FieldTy); |
| 311 | EltTys.push_back(FieldTy); |
| 312 | |
| 313 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 314 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 315 | EltTys.clear(); |
| 316 | |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 317 | unsigned Flags = llvm::DIType::FlagAppleBlock; |
| 318 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 319 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_descriptor", |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 320 | Unit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 321 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 322 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 323 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 324 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 325 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 326 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 327 | DescTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 328 | Unit, "", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 329 | 0, Size, Align, 0, 0, EltTy); |
| 330 | |
| 331 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 332 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 333 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 334 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 335 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 336 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 337 | "__isa", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 338 | 0, FieldSize, FieldAlign, |
| 339 | FieldOffset, 0, FieldTy); |
| 340 | EltTys.push_back(FieldTy); |
| 341 | |
| 342 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 343 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 344 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 345 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 346 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 347 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 348 | "__flags", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 349 | 0, FieldSize, FieldAlign, |
| 350 | FieldOffset, 0, FieldTy); |
| 351 | EltTys.push_back(FieldTy); |
| 352 | |
| 353 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 354 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 355 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 356 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 357 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 358 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 359 | "__reserved", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 360 | 0, FieldSize, FieldAlign, |
| 361 | FieldOffset, 0, FieldTy); |
| 362 | EltTys.push_back(FieldTy); |
| 363 | |
| 364 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 365 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 366 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 367 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 368 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 369 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 370 | "__FuncPtr", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 371 | 0, FieldSize, FieldAlign, |
| 372 | FieldOffset, 0, FieldTy); |
| 373 | EltTys.push_back(FieldTy); |
| 374 | |
| 375 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 376 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 377 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 378 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 379 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 380 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 381 | "__descriptor", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 382 | 0, FieldSize, FieldAlign, |
| 383 | FieldOffset, 0, FieldTy); |
| 384 | EltTys.push_back(FieldTy); |
| 385 | |
| 386 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 387 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 388 | |
| 389 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_literal_generic", |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 390 | Unit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 391 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 392 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 393 | BlockLiteralGenericSet = true; |
| 394 | BlockLiteralGeneric |
| 395 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 396 | "", Unit, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 397 | 0, Size, Align, 0, 0, EltTy); |
| 398 | return BlockLiteralGeneric; |
| 399 | } |
| 400 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 401 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 402 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 403 | // Typedefs are derived from some other type. If we have a typedef of a |
| 404 | // typedef, make sure to emit the whole chain. |
| 405 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 406 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 407 | // We don't set size information, but do specify where the typedef was |
| 408 | // declared. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 409 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 410 | PresumedLoc PLoc = SM.getPresumedLoc(Ty->getDecl()->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 411 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 412 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 413 | llvm::DIDescriptor TyContext |
| 414 | = getContextDescriptor(dyn_cast<Decl>(Ty->getDecl()->getDeclContext()), |
| 415 | Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 416 | llvm::DIType DbgTy = |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 417 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_typedef, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 418 | TyContext, |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 419 | Ty->getDecl()->getName(), Unit, |
| 420 | Line, 0, 0, 0, 0, Src); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 421 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 422 | } |
| 423 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 424 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 425 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 426 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 427 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 428 | // Add the result type at least. |
| 429 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 430 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 431 | // Set up remainder of arguments if there is a prototype. |
| 432 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 433 | if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 434 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 435 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
| 436 | } else { |
| 437 | // FIXME: Handle () case in C. llvm-gcc doesn't do it either. |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 438 | } |
| 439 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 440 | llvm::DIArray EltTypeArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 441 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 442 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 443 | llvm::DIType DbgTy = |
| 444 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 445 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 446 | 0, 0, 0, 0, 0, |
| 447 | llvm::DIType(), EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 448 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 449 | } |
| 450 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 451 | /// CollectRecordFields - A helper function to collect debug info for |
| 452 | /// record fields. This is used while creating debug info entry for a Record. |
| 453 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 454 | CollectRecordFields(const RecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 455 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
| 456 | unsigned FieldNo = 0; |
| 457 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 458 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 459 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 460 | E = RD->field_end(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 461 | I != E; ++I, ++FieldNo) { |
| 462 | FieldDecl *Field = *I; |
| 463 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 464 | |
| 465 | llvm::StringRef FieldName = Field->getName(); |
| 466 | |
Devang Patel | 4835fdd | 2010-02-12 01:31:06 +0000 | [diff] [blame] | 467 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 468 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 469 | continue; |
| 470 | |
| 471 | // Get the location for the field. |
| 472 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 473 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 474 | llvm::DIFile FieldDefUnit; |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 475 | unsigned FieldLine = 0; |
| 476 | |
| 477 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 478 | FieldDefUnit = getOrCreateFile(FieldDefLoc); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 479 | FieldLine = PLoc.getLine(); |
| 480 | } |
| 481 | |
| 482 | QualType FType = Field->getType(); |
| 483 | uint64_t FieldSize = 0; |
| 484 | unsigned FieldAlign = 0; |
| 485 | if (!FType->isIncompleteArrayType()) { |
| 486 | |
| 487 | // Bit size, align and offset of the type. |
| 488 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 489 | Expr *BitWidth = Field->getBitWidth(); |
| 490 | if (BitWidth) |
| 491 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
| 492 | |
| 493 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 494 | } |
| 495 | |
| 496 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 497 | |
| 498 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 499 | // struct. FIXME: This is an absolutely insane way to capture this |
| 500 | // information. When we gut debug info, this should be fixed. |
| 501 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 502 | FieldName, FieldDefUnit, |
| 503 | FieldLine, FieldSize, FieldAlign, |
| 504 | FieldOffset, 0, FieldTy); |
| 505 | EltTys.push_back(FieldTy); |
| 506 | } |
| 507 | } |
| 508 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 509 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 510 | /// function type is not updated to include implicit "this" pointer. Use this |
| 511 | /// routine to get a method type which includes "this" pointer. |
| 512 | llvm::DIType |
| 513 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 514 | llvm::DIFile Unit) { |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 515 | llvm::DIType FnTy = getOrCreateType(Method->getType(), Unit); |
Devang Patel | d774d1e | 2010-01-28 21:43:50 +0000 | [diff] [blame] | 516 | |
| 517 | // Static methods do not need "this" pointer argument. |
| 518 | if (Method->isStatic()) |
| 519 | return FnTy; |
| 520 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 521 | // Add "this" pointer. |
| 522 | |
| 523 | llvm::DIArray Args = llvm::DICompositeType(FnTy.getNode()).getTypeArray(); |
| 524 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 525 | |
| 526 | llvm::SmallVector<llvm::DIDescriptor, 16> Elts; |
| 527 | |
| 528 | // First element is always return type. For 'void' functions it is NULL. |
| 529 | Elts.push_back(Args.getElement(0)); |
| 530 | |
| 531 | // "this" pointer is always first argument. |
| 532 | ASTContext &Context = CGM.getContext(); |
| 533 | QualType ThisPtr = |
| 534 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
Devang Patel | 337472d | 2010-02-09 17:57:50 +0000 | [diff] [blame] | 535 | llvm::DIType ThisPtrType = |
| 536 | DebugFactory.CreateArtificialType(getOrCreateType(ThisPtr, Unit)); |
| 537 | TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType.getNode(); |
| 538 | Elts.push_back(ThisPtrType); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 539 | |
| 540 | // Copy rest of the arguments. |
| 541 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 542 | Elts.push_back(Args.getElement(i)); |
| 543 | |
| 544 | llvm::DIArray EltTypeArray = |
| 545 | DebugFactory.GetOrCreateArray(Elts.data(), Elts.size()); |
| 546 | |
| 547 | return |
| 548 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 549 | Unit, "", Unit, |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 550 | 0, 0, 0, 0, 0, |
| 551 | llvm::DIType(), EltTypeArray); |
| 552 | } |
| 553 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 554 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 555 | /// a single member function GlobalDecl. |
| 556 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 557 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 558 | llvm::DIFile Unit, |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 559 | llvm::DICompositeType &RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 560 | bool IsCtorOrDtor = |
| 561 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 562 | |
| 563 | llvm::StringRef MethodName = getFunctionName(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 564 | llvm::StringRef MethodLinkageName; |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 565 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 566 | |
| 567 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 568 | // make sense to give a single ctor/dtor a linkage name. |
| 569 | if (!IsCtorOrDtor) |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 570 | MethodLinkageName = CGM.getMangledName(Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 571 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 572 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 573 | |
| 574 | // Get the location for the method. |
| 575 | SourceLocation MethodDefLoc = Method->getLocation(); |
| 576 | PresumedLoc PLoc = SM.getPresumedLoc(MethodDefLoc); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 577 | llvm::DIFile MethodDefUnit; |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 578 | unsigned MethodLine = 0; |
| 579 | |
| 580 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 581 | MethodDefUnit = getOrCreateFile(MethodDefLoc); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 582 | MethodLine = PLoc.getLine(); |
| 583 | } |
| 584 | |
| 585 | // Collect virtual method info. |
| 586 | llvm::DIType ContainingType; |
| 587 | unsigned Virtuality = 0; |
| 588 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 589 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 590 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 591 | if (Method->isPure()) |
| 592 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 593 | else |
| 594 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 595 | |
| 596 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 597 | // since a single destructor has two entries in the vtable. |
| 598 | if (!isa<CXXDestructorDecl>(Method)) |
| 599 | VIndex = CGM.getVtableInfo().getMethodVtableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 600 | ContainingType = RecordTy; |
| 601 | } |
| 602 | |
| 603 | llvm::DISubprogram SP = |
| 604 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 605 | MethodLinkageName, |
| 606 | MethodDefUnit, MethodLine, |
| 607 | MethodTy, /*isLocalToUnit=*/false, |
| 608 | Method->isThisDeclarationADefinition(), |
| 609 | Virtuality, VIndex, ContainingType); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 610 | |
| 611 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 612 | // a single ctor or dtor. |
| 613 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
| 614 | SPCache[Method] = llvm::WeakVH(SP.getNode()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 615 | |
| 616 | return SP; |
| 617 | } |
| 618 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 619 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 620 | /// C++ member functions.This is used while creating debug info entry for |
| 621 | /// a Record. |
| 622 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 623 | CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 624 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 625 | llvm::DICompositeType &RecordTy) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 626 | for(CXXRecordDecl::method_iterator I = RD->method_begin(), |
| 627 | E = RD->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 628 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 629 | |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 630 | if (Method->isImplicit() && !Method->isUsed()) |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 631 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 632 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 633 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 634 | } |
| 635 | } |
| 636 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 637 | /// CollectCXXBases - A helper function to collect debug info for |
| 638 | /// C++ base classes. This is used while creating debug info entry for |
| 639 | /// a Record. |
| 640 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 641 | CollectCXXBases(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 642 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 643 | llvm::DICompositeType &RecordTy) { |
| 644 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 645 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 646 | for (CXXRecordDecl::base_class_const_iterator BI = RD->bases_begin(), |
| 647 | BE = RD->bases_end(); BI != BE; ++BI) { |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 648 | unsigned BFlags = 0; |
| 649 | uint64_t BaseOffset; |
| 650 | |
| 651 | const CXXRecordDecl *Base = |
| 652 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 653 | |
| 654 | if (BI->isVirtual()) { |
Anders Carlsson | bba1607 | 2010-03-11 07:15:17 +0000 | [diff] [blame] | 655 | // virtual base offset offset is -ve. The code generator emits dwarf |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 656 | // expression where it expects +ve number. |
Anders Carlsson | bba1607 | 2010-03-11 07:15:17 +0000 | [diff] [blame] | 657 | BaseOffset = 0 - CGM.getVtableInfo().getVirtualBaseOffsetOffset(RD, Base); |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 658 | BFlags = llvm::DIType::FlagVirtual; |
| 659 | } else |
| 660 | BaseOffset = RL.getBaseClassOffset(Base); |
| 661 | |
| 662 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 663 | if (Access == clang::AS_private) |
| 664 | BFlags |= llvm::DIType::FlagPrivate; |
| 665 | else if (Access == clang::AS_protected) |
| 666 | BFlags |= llvm::DIType::FlagProtected; |
| 667 | |
| 668 | llvm::DIType DTy = |
| 669 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 670 | RecordTy, llvm::StringRef(), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 671 | Unit, 0, 0, 0, |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 672 | BaseOffset, BFlags, |
| 673 | getOrCreateType(BI->getType(), |
| 674 | Unit)); |
| 675 | EltTys.push_back(DTy); |
| 676 | } |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 677 | } |
| 678 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 679 | /// getOrCreateVTablePtrType - Return debug info descriptor for vtable. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 680 | llvm::DIType CGDebugInfo::getOrCreateVTablePtrType(llvm::DIFile Unit) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 681 | if (VTablePtrType.isValid()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 682 | return VTablePtrType; |
| 683 | |
| 684 | ASTContext &Context = CGM.getContext(); |
| 685 | |
| 686 | /* Function type */ |
| 687 | llvm::SmallVector<llvm::DIDescriptor, 16> STys; |
| 688 | STys.push_back(getOrCreateType(Context.IntTy, Unit)); |
| 689 | llvm::DIArray SElements = |
| 690 | DebugFactory.GetOrCreateArray(STys.data(), STys.size()); |
| 691 | llvm::DIType SubTy = |
| 692 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 693 | Unit, "", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 694 | 0, 0, 0, 0, 0, llvm::DIType(), SElements); |
| 695 | |
| 696 | unsigned Size = Context.getTypeSize(Context.VoidPtrTy); |
| 697 | llvm::DIType vtbl_ptr_type |
| 698 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 699 | Unit, "__vtbl_ptr_type", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 700 | 0, Size, 0, 0, 0, SubTy); |
| 701 | |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 702 | VTablePtrType = |
| 703 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 704 | Unit, "", Unit, |
| 705 | 0, Size, 0, 0, 0, vtbl_ptr_type); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 706 | return VTablePtrType; |
| 707 | } |
| 708 | |
| 709 | /// getVtableName - Get vtable name for the given Class. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 710 | llvm::StringRef CGDebugInfo::getVtableName(const CXXRecordDecl *RD) { |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 711 | // Otherwise construct gdb compatible name name. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 712 | std::string Name = "_vptr$" + RD->getNameAsString(); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 713 | |
| 714 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 715 | char *StrPtr = DebugInfoNames.Allocate<char>(Name.length()); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 716 | memcpy(StrPtr, Name.data(), Name.length()); |
| 717 | return llvm::StringRef(StrPtr, Name.length()); |
| 718 | } |
| 719 | |
| 720 | |
| 721 | /// CollectVtableInfo - If the C++ class has vtable info then insert appropriate |
| 722 | /// debug info entry in EltTys vector. |
| 723 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 724 | CollectVtableInfo(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 725 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 726 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 727 | |
| 728 | // If there is a primary base then it will hold vtable info. |
| 729 | if (RL.getPrimaryBase()) |
| 730 | return; |
| 731 | |
| 732 | // If this class is not dynamic then there is not any vtable info to collect. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 733 | if (!RD->isDynamicClass()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 734 | return; |
| 735 | |
| 736 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 737 | llvm::DIType VPTR |
| 738 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 739 | getVtableName(RD), Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 740 | 0, Size, 0, 0, 0, |
| 741 | getOrCreateVTablePtrType(Unit)); |
| 742 | EltTys.push_back(VPTR); |
| 743 | } |
| 744 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 745 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 746 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 747 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 748 | RecordDecl *RD = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 749 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 750 | unsigned Tag; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 751 | if (RD->isStruct()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 752 | Tag = llvm::dwarf::DW_TAG_structure_type; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 753 | else if (RD->isUnion()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 754 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 755 | else { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 756 | assert(RD->isClass() && "Unknown RecordType!"); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 757 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 758 | } |
| 759 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 760 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 761 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 762 | // Get overall information about the record type for the debug info. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 763 | PresumedLoc PLoc = SM.getPresumedLoc(RD->getLocation()); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 764 | llvm::DIFile DefUnit; |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 765 | unsigned Line = 0; |
| 766 | if (!PLoc.isInvalid()) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 767 | DefUnit = getOrCreateFile(RD->getLocation()); |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 768 | Line = PLoc.getLine(); |
| 769 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 770 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 771 | // Records and classes and unions can all be recursive. To handle them, we |
| 772 | // first generate a debug descriptor for the struct as a forward declaration. |
| 773 | // Then (if it is a definition) we go through and get debug info for all of |
| 774 | // its members. Finally, we create a descriptor for the complete type (which |
| 775 | // may refer to the forward decl if the struct is recursive) and replace all |
| 776 | // uses of the forward declaration with the final definition. |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 777 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 778 | // A RD->getName() is not unique. However, the debug info descriptors |
Devang Patel | ce78c97 | 2010-02-01 22:51:29 +0000 | [diff] [blame] | 779 | // are uniqued so use type name to ensure uniquness. |
Devang Patel | f338370 | 2010-03-10 00:19:43 +0000 | [diff] [blame] | 780 | llvm::SmallString<256> FwdDeclName; |
| 781 | FwdDeclName.resize(256); |
| 782 | sprintf(&FwdDeclName[0], "fwd.type.%d", FwdDeclCount++); |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 783 | llvm::DIDescriptor FDContext = |
| 784 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 785 | llvm::DICompositeType FwdDecl = |
Devang Patel | 7573f8b | 2010-03-09 21:32:27 +0000 | [diff] [blame] | 786 | DebugFactory.CreateCompositeType(Tag, FDContext, FwdDeclName, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 787 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 788 | llvm::DIType(), llvm::DIArray()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 789 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 790 | // If this is just a forward declaration, return it. |
Douglas Gregor | 952b017 | 2010-02-11 01:04:33 +0000 | [diff] [blame] | 791 | if (!RD->getDefinition()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 792 | return FwdDecl; |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 793 | |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 794 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 795 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 796 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 797 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 798 | // Push the struct on region stack. |
| 799 | RegionStack.push_back(FwdDecl.getNode()); |
| 800 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl.getNode()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 801 | |
| 802 | // Convert all the elements. |
| 803 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 804 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 805 | const CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(RD); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 806 | if (CXXDecl) { |
| 807 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 808 | CollectVtableInfo(CXXDecl, Unit, EltTys); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 809 | } |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 810 | CollectRecordFields(RD, Unit, EltTys); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 811 | llvm::MDNode *ContainingType = NULL; |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 812 | if (CXXDecl) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 813 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 814 | |
| 815 | // A class's primary base or the class itself contains the vtable. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 816 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 817 | if (const CXXRecordDecl *PBase = RL.getPrimaryBase()) |
| 818 | ContainingType = |
| 819 | getOrCreateType(QualType(PBase->getTypeForDecl(), 0), Unit).getNode(); |
| 820 | else if (CXXDecl->isDynamicClass()) |
| 821 | ContainingType = FwdDecl.getNode(); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 822 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 823 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 824 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 825 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 826 | |
| 827 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 828 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 829 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 830 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 831 | RegionStack.pop_back(); |
| 832 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 833 | RegionMap.find(Ty->getDecl()); |
| 834 | if (RI != RegionMap.end()) |
| 835 | RegionMap.erase(RI); |
| 836 | |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 837 | llvm::DIDescriptor RDContext = |
| 838 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 839 | llvm::DICompositeType RealDecl = |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 840 | DebugFactory.CreateCompositeType(Tag, RDContext, |
| 841 | RD->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 842 | DefUnit, Line, Size, Align, 0, 0, |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 843 | llvm::DIType(), Elements, |
| 844 | 0, ContainingType); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 845 | |
| 846 | // Now that we have a real decl for the struct, replace anything using the |
| 847 | // 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] | 848 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 849 | RegionMap[RD] = llvm::WeakVH(RealDecl.getNode()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 850 | return RealDecl; |
| 851 | } |
| 852 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 853 | /// CreateType - get objective-c interface type. |
| 854 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 855 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 856 | ObjCInterfaceDecl *ID = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 857 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 858 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 859 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 860 | |
| 861 | // Get overall information about the record type for the debug info. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 862 | llvm::DIFile DefUnit = getOrCreateFile(ID->getLocation()); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 863 | PresumedLoc PLoc = SM.getPresumedLoc(ID->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 864 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 865 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 866 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 867 | unsigned RuntimeLang = TheCU.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 868 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 869 | // To handle recursive interface, we |
| 870 | // first generate a debug descriptor for the struct as a forward declaration. |
| 871 | // Then (if it is a definition) we go through and get debug info for all of |
| 872 | // its members. Finally, we create a descriptor for the complete type (which |
| 873 | // may refer to the forward decl if the struct is recursive) and replace all |
| 874 | // uses of the forward declaration with the final definition. |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 875 | llvm::DICompositeType FwdDecl = |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 876 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 877 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 878 | llvm::DIType(), llvm::DIArray(), |
| 879 | RuntimeLang); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 880 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 881 | // If this is just a forward declaration, return it. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 882 | if (ID->isForwardDecl()) |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 883 | return FwdDecl; |
| 884 | |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 885 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 886 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 887 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 888 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 889 | // Push the struct on region stack. |
| 890 | RegionStack.push_back(FwdDecl.getNode()); |
| 891 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl.getNode()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 892 | |
| 893 | // Convert all the elements. |
| 894 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 895 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 896 | ObjCInterfaceDecl *SClass = ID->getSuperClass(); |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 897 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 898 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 899 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 900 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 901 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 902 | Unit, "", Unit, 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 903 | 0 /* offset */, 0, SClassTy); |
| 904 | EltTys.push_back(InhTag); |
| 905 | } |
| 906 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 907 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 908 | |
| 909 | unsigned FieldNo = 0; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 910 | for (ObjCInterfaceDecl::ivar_iterator I = ID->ivar_begin(), |
| 911 | E = ID->ivar_end(); I != E; ++I, ++FieldNo) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 912 | ObjCIvarDecl *Field = *I; |
| 913 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 914 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 915 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 916 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 917 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 918 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 919 | continue; |
| 920 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 921 | // Get the location for the field. |
| 922 | SourceLocation FieldDefLoc = Field->getLocation(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 923 | llvm::DIFile FieldDefUnit = getOrCreateFile(FieldDefLoc); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 924 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 925 | unsigned FieldLine = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 926 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 927 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 928 | QualType FType = Field->getType(); |
| 929 | uint64_t FieldSize = 0; |
| 930 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 931 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 932 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 933 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 934 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 935 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 936 | Expr *BitWidth = Field->getBitWidth(); |
| 937 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 938 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 939 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 940 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 941 | } |
| 942 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 943 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 944 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 945 | unsigned Flags = 0; |
| 946 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
| 947 | Flags = llvm::DIType::FlagProtected; |
| 948 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
| 949 | Flags = llvm::DIType::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 950 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 951 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 952 | // struct. FIXME: This is an absolutely insane way to capture this |
| 953 | // information. When we gut debug info, this should be fixed. |
| 954 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 955 | FieldName, FieldDefUnit, |
| 956 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 957 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 958 | EltTys.push_back(FieldTy); |
| 959 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 960 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 961 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 962 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 963 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 964 | RegionStack.pop_back(); |
| 965 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 966 | RegionMap.find(Ty->getDecl()); |
| 967 | if (RI != RegionMap.end()) |
| 968 | RegionMap.erase(RI); |
| 969 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 970 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 971 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 972 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 973 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 974 | llvm::DICompositeType RealDecl = |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 975 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 976 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 977 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 978 | |
| 979 | // Now that we have a real decl for the struct, replace anything using the |
| 980 | // 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] | 981 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 982 | RegionMap[ID] = llvm::WeakVH(RealDecl.getNode()); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 983 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 984 | return RealDecl; |
| 985 | } |
| 986 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 987 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 988 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 989 | EnumDecl *ED = Ty->getDecl(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 990 | |
| 991 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 992 | |
| 993 | // Create DIEnumerator elements for each enumerator. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 994 | for (EnumDecl::enumerator_iterator |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 995 | Enum = ED->enumerator_begin(), EnumEnd = ED->enumerator_end(); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 996 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 997 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 998 | Enum->getInitVal().getZExtValue())); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 999 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1000 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1001 | // Return a CompositeType for the enum itself. |
| 1002 | llvm::DIArray EltArray = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 1003 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1004 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1005 | SourceLocation DefLoc = ED->getLocation(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1006 | llvm::DIFile DefUnit = getOrCreateFile(DefLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1007 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1008 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 1009 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 1010 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1011 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1012 | // Size and align of the type. |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 1013 | uint64_t Size = 0; |
| 1014 | unsigned Align = 0; |
| 1015 | if (!Ty->isIncompleteType()) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1016 | Size = CGM.getContext().getTypeSize(Ty); |
| 1017 | Align = CGM.getContext().getTypeAlign(Ty); |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 1018 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1019 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1020 | llvm::DIType DbgTy = |
| 1021 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1022 | Unit, ED->getName(), DefUnit, Line, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1023 | Size, Align, 0, 0, |
| 1024 | llvm::DIType(), EltArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1025 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1026 | } |
| 1027 | |
| 1028 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1029 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1030 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 1031 | return CreateType(RT, Unit); |
| 1032 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 1033 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1034 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1035 | return llvm::DIType(); |
| 1036 | } |
| 1037 | |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1038 | llvm::DIType CGDebugInfo::CreateType(const VectorType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1039 | llvm::DIFile Unit) { |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1040 | llvm::DIType ElementTy = getOrCreateType(Ty->getElementType(), Unit); |
| 1041 | uint64_t NumElems = Ty->getNumElements(); |
| 1042 | if (NumElems > 0) |
| 1043 | --NumElems; |
| 1044 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 1045 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, NumElems)); |
| 1046 | |
| 1047 | llvm::DIArray SubscriptArray = |
| 1048 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
| 1049 | |
| 1050 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1051 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
| 1052 | |
| 1053 | return |
| 1054 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_vector_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1055 | Unit, "", Unit, |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1056 | 0, Size, Align, 0, 0, |
| 1057 | ElementTy, SubscriptArray); |
| 1058 | } |
| 1059 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1060 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1061 | llvm::DIFile Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1062 | uint64_t Size; |
| 1063 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1064 | |
| 1065 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1066 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1067 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1068 | Size = 0; |
| 1069 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1070 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1071 | } else if (Ty->isIncompleteArrayType()) { |
| 1072 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1073 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1074 | } else { |
| 1075 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1076 | Size = CGM.getContext().getTypeSize(Ty); |
| 1077 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1078 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1079 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1080 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 1081 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 1082 | // obvious/recursive way? |
| 1083 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 1084 | QualType EltTy(Ty, 0); |
| 1085 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1086 | uint64_t Upper = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1087 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
Devang Patel | 5a6bfe3 | 2009-08-14 20:57:45 +0000 | [diff] [blame] | 1088 | if (CAT->getSize().getZExtValue()) |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1089 | Upper = CAT->getSize().getZExtValue() - 1; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1090 | // FIXME: Verify this is right for VLAs. |
| 1091 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 1092 | EltTy = Ty->getElementType(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1093 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1094 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1095 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 1096 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1097 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1098 | llvm::DIType DbgTy = |
| 1099 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1100 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1101 | 0, Size, Align, 0, 0, |
| 1102 | getOrCreateType(EltTy, Unit), |
| 1103 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1104 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1105 | } |
| 1106 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1107 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1108 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1109 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 1110 | Ty, Ty->getPointeeType(), Unit); |
| 1111 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1112 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1113 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1114 | llvm::DIFile U) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1115 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 1116 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 1117 | |
| 1118 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 1119 | // We have a data member pointer type. |
| 1120 | return PointerDiffDITy; |
| 1121 | } |
| 1122 | |
| 1123 | // We have a member function pointer type. Treat it as a struct with two |
| 1124 | // ptrdiff_t members. |
| 1125 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1126 | |
| 1127 | uint64_t FieldOffset = 0; |
| 1128 | llvm::DIDescriptor ElementTypes[2]; |
| 1129 | |
| 1130 | // FIXME: This should probably be a function type instead. |
| 1131 | ElementTypes[0] = |
| 1132 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1133 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1134 | Info.first, Info.second, FieldOffset, 0, |
| 1135 | PointerDiffDITy); |
| 1136 | FieldOffset += Info.first; |
| 1137 | |
| 1138 | ElementTypes[1] = |
| 1139 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1140 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1141 | Info.first, Info.second, FieldOffset, 0, |
| 1142 | PointerDiffDITy); |
| 1143 | |
| 1144 | llvm::DIArray Elements = |
| 1145 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 1146 | llvm::array_lengthof(ElementTypes)); |
| 1147 | |
| 1148 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 1149 | U, llvm::StringRef("test"), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1150 | U, 0, FieldOffset, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1151 | 0, 0, 0, llvm::DIType(), Elements); |
| 1152 | } |
| 1153 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1154 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1155 | do { |
| 1156 | QualType LastT = T; |
| 1157 | switch (T->getTypeClass()) { |
| 1158 | default: |
| 1159 | return T; |
| 1160 | case Type::TemplateSpecialization: |
| 1161 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1162 | break; |
| 1163 | case Type::TypeOfExpr: { |
| 1164 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1165 | T = Ty->getUnderlyingExpr()->getType(); |
| 1166 | break; |
| 1167 | } |
| 1168 | case Type::TypeOf: |
| 1169 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1170 | break; |
| 1171 | case Type::Decltype: |
| 1172 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1173 | break; |
| 1174 | case Type::QualifiedName: |
| 1175 | T = cast<QualifiedNameType>(T)->getNamedType(); |
| 1176 | break; |
| 1177 | case Type::SubstTemplateTypeParm: |
| 1178 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1179 | break; |
| 1180 | case Type::Elaborated: |
| 1181 | T = cast<ElaboratedType>(T)->getUnderlyingType(); |
| 1182 | break; |
| 1183 | } |
| 1184 | |
| 1185 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1186 | if (T == LastT) |
| 1187 | return T; |
| 1188 | } while (true); |
| 1189 | |
| 1190 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1191 | } |
| 1192 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1193 | /// getOrCreateType - Get the type from the cache or create a new |
| 1194 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1195 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1196 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1197 | if (Ty.isNull()) |
| 1198 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1199 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1200 | // Unwrap the type as needed for debug information. |
| 1201 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1202 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1203 | // Check for existing entry. |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1204 | std::map<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1205 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1206 | if (it != TypeCache.end()) { |
| 1207 | // Verify that the debug info still exists. |
| 1208 | if (&*it->second) |
| 1209 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1210 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1211 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1212 | // Otherwise create the type. |
| 1213 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1214 | |
| 1215 | // And update the type cache. |
| 1216 | TypeCache[Ty.getAsOpaquePtr()] = Res.getNode(); |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1217 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1218 | } |
| 1219 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1220 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1221 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1222 | llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1223 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1224 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1225 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1226 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1227 | const char *Diag = 0; |
| 1228 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1229 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1230 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1231 | #define TYPE(Class, Base) |
| 1232 | #define ABSTRACT_TYPE(Class, Base) |
| 1233 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1234 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1235 | #include "clang/AST/TypeNodes.def" |
| 1236 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1237 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1238 | // FIXME: Handle these. |
| 1239 | case Type::ExtVector: |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1240 | return llvm::DIType(); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1241 | |
| 1242 | case Type::Vector: |
| 1243 | return CreateType(cast<VectorType>(Ty), Unit); |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1244 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1245 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1246 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1247 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1248 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1249 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1250 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1251 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1252 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1253 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1254 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1255 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1256 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1257 | case Type::FunctionProto: |
| 1258 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1259 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1260 | case Type::ConstantArray: |
| 1261 | case Type::VariableArray: |
| 1262 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1263 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1264 | |
| 1265 | case Type::LValueReference: |
| 1266 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1267 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1268 | case Type::MemberPointer: |
| 1269 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1270 | |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 1271 | case Type::InjectedClassName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1272 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1273 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1274 | case Type::QualifiedName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1275 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1276 | case Type::TypeOfExpr: |
| 1277 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1278 | case Type::Decltype: |
| 1279 | llvm_unreachable("type should have been unwrapped!"); |
| 1280 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1281 | |
| 1282 | case Type::RValueReference: |
| 1283 | // FIXME: Implement! |
| 1284 | Diag = "rvalue references"; |
| 1285 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1286 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1287 | |
| 1288 | assert(Diag && "Fall through without a diagnostic?"); |
| 1289 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1290 | "debug information for %0 is not yet supported"); |
| 1291 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1292 | << Diag; |
| 1293 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1294 | } |
| 1295 | |
| 1296 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1297 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1298 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1299 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1300 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1301 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1302 | llvm::StringRef Name; |
| 1303 | llvm::StringRef LinkageName; |
| 1304 | |
| 1305 | const Decl *D = GD.getDecl(); |
| 1306 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1307 | // If there is a DISubprogram for this function available then use it. |
| 1308 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1309 | FI = SPCache.find(FD); |
| 1310 | if (FI != SPCache.end()) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 1311 | llvm::DIDescriptor SP(dyn_cast_or_null<llvm::MDNode>(FI->second)); |
| 1312 | if (SP.isSubprogram() && llvm::DISubprogram(SP.getNode()).isDefinition()) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1313 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1314 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1315 | return; |
| 1316 | } |
| 1317 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1318 | Name = getFunctionName(FD); |
Eli Friedman | 3364e62 | 2010-01-16 00:43:13 +0000 | [diff] [blame] | 1319 | if (!Name.empty() && Name[0] == '\01') |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1320 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1321 | // Use mangled name as linkage name for c/c++ functions. |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1322 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1323 | } else { |
| 1324 | // Use llvm function name as linkage name. |
| 1325 | Name = Fn->getName(); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1326 | LinkageName = Name; |
Devang Patel | 1758420 | 2010-01-19 00:25:12 +0000 | [diff] [blame] | 1327 | if (!Name.empty() && Name[0] == '\01') |
| 1328 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1329 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1330 | |
Devang Patel | 98a200b | 2010-01-14 18:06:13 +0000 | [diff] [blame] | 1331 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1332 | // Usually, CurLoc points to the left bracket location of compound |
| 1333 | // statement representing function body. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1334 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1335 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1336 | unsigned LineNo = SM.getPresumedLoc(CurLoc).getLine(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1337 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1338 | llvm::DISubprogram SP = |
Devang Patel | 6dba432 | 2009-07-14 21:31:22 +0000 | [diff] [blame] | 1339 | DebugFactory.CreateSubprogram(Unit, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1340 | getOrCreateType(FnType, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1341 | Fn->hasInternalLinkage(), true/*definition*/); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1342 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1343 | // Push function on region stack. |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1344 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1345 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1346 | } |
| 1347 | |
| 1348 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1349 | void CGDebugInfo::EmitStopPoint(llvm::Function *Fn, CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1350 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1351 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1352 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1353 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1354 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1355 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1356 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1357 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
| 1358 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1359 | |
| 1360 | // Update last state. |
| 1361 | PrevLoc = CurLoc; |
| 1362 | |
| 1363 | // Get the appropriate compile unit. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1364 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1365 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1366 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1367 | llvm::DIDescriptor DR(RegionStack.back()); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1368 | llvm::DIScope DS = llvm::DIScope(DR.getNode()); |
| 1369 | llvm::DILocation DO(NULL); |
| 1370 | llvm::DILocation DL = |
| 1371 | DebugFactory.CreateLocation(PLoc.getLine(), PLoc.getColumn(), |
| 1372 | DS, DO); |
| 1373 | Builder.SetCurrentDebugLocation(DL.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1374 | } |
| 1375 | |
| 1376 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1377 | /// region - "llvm.dbg.region.start.". |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1378 | void CGDebugInfo::EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder) { |
Devang Patel | d19429f | 2010-02-16 21:41:20 +0000 | [diff] [blame] | 1379 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1380 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1381 | llvm::DIDescriptor D = |
| 1382 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1383 | llvm::DIDescriptor() : |
Devang Patel | d19429f | 2010-02-16 21:41:20 +0000 | [diff] [blame] | 1384 | llvm::DIDescriptor(RegionStack.back()), |
| 1385 | PLoc.getLine(), PLoc.getColumn()); |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1386 | RegionStack.push_back(D.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1387 | } |
| 1388 | |
| 1389 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1390 | /// region - "llvm.dbg.region.end." |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1391 | void CGDebugInfo::EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1392 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1393 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1394 | // Provide an region stop point. |
| 1395 | EmitStopPoint(Fn, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1396 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1397 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1398 | } |
| 1399 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1400 | // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref. |
| 1401 | // See BuildByRefType. |
| 1402 | llvm::DIType CGDebugInfo::EmitTypeForVarWithBlocksAttr(const ValueDecl *VD, |
| 1403 | uint64_t *XOffset) { |
| 1404 | |
| 1405 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1406 | |
| 1407 | QualType FType; |
| 1408 | uint64_t FieldSize, FieldOffset; |
| 1409 | unsigned FieldAlign; |
| 1410 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1411 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1412 | QualType Type = VD->getType(); |
| 1413 | |
| 1414 | FieldOffset = 0; |
| 1415 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1416 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1417 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1418 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1419 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1420 | "__isa", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1421 | 0, FieldSize, FieldAlign, |
| 1422 | FieldOffset, 0, FieldTy); |
| 1423 | EltTys.push_back(FieldTy); |
| 1424 | FieldOffset += FieldSize; |
| 1425 | |
| 1426 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1427 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1428 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1429 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1430 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1431 | "__forwarding", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1432 | 0, FieldSize, FieldAlign, |
| 1433 | FieldOffset, 0, FieldTy); |
| 1434 | EltTys.push_back(FieldTy); |
| 1435 | FieldOffset += FieldSize; |
| 1436 | |
| 1437 | FType = CGM.getContext().IntTy; |
| 1438 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1439 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1440 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1441 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1442 | "__flags", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1443 | 0, FieldSize, FieldAlign, |
| 1444 | FieldOffset, 0, FieldTy); |
| 1445 | EltTys.push_back(FieldTy); |
| 1446 | FieldOffset += FieldSize; |
| 1447 | |
| 1448 | FType = CGM.getContext().IntTy; |
| 1449 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1450 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1451 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1452 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1453 | "__size", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1454 | 0, FieldSize, FieldAlign, |
| 1455 | FieldOffset, 0, FieldTy); |
| 1456 | EltTys.push_back(FieldTy); |
| 1457 | FieldOffset += FieldSize; |
| 1458 | |
| 1459 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
| 1460 | if (HasCopyAndDispose) { |
| 1461 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1462 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1463 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1464 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1465 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1466 | "__copy_helper", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1467 | 0, FieldSize, FieldAlign, |
| 1468 | FieldOffset, 0, FieldTy); |
| 1469 | EltTys.push_back(FieldTy); |
| 1470 | FieldOffset += FieldSize; |
| 1471 | |
| 1472 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
| 1473 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1474 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1475 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1476 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1477 | "__destroy_helper", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1478 | 0, FieldSize, FieldAlign, |
| 1479 | FieldOffset, 0, FieldTy); |
| 1480 | EltTys.push_back(FieldTy); |
| 1481 | FieldOffset += FieldSize; |
| 1482 | } |
| 1483 | |
| 1484 | CharUnits Align = CGM.getContext().getDeclAlign(VD); |
| 1485 | if (Align > CharUnits::fromQuantity( |
| 1486 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
| 1487 | unsigned AlignedOffsetInBytes |
| 1488 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
| 1489 | unsigned NumPaddingBytes |
| 1490 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1491 | |
| 1492 | if (NumPaddingBytes > 0) { |
| 1493 | llvm::APInt pad(32, NumPaddingBytes); |
| 1494 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
| 1495 | pad, ArrayType::Normal, 0); |
| 1496 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1497 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1498 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1499 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1500 | Unit, "", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1501 | 0, FieldSize, FieldAlign, |
| 1502 | FieldOffset, 0, FieldTy); |
| 1503 | EltTys.push_back(FieldTy); |
| 1504 | FieldOffset += FieldSize; |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | FType = Type; |
| 1509 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1510 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1511 | FieldAlign = Align.getQuantity()*8; |
| 1512 | |
| 1513 | *XOffset = FieldOffset; |
| 1514 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1515 | VD->getName(), Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1516 | 0, FieldSize, FieldAlign, |
| 1517 | FieldOffset, 0, FieldTy); |
| 1518 | EltTys.push_back(FieldTy); |
| 1519 | FieldOffset += FieldSize; |
| 1520 | |
| 1521 | llvm::DIArray Elements = |
| 1522 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1523 | |
| 1524 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1525 | |
| 1526 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1527 | Unit, "", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1528 | 0, FieldOffset, 0, 0, Flags, |
| 1529 | llvm::DIType(), Elements); |
| 1530 | |
| 1531 | } |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1532 | /// EmitDeclare - Emit local variable declaration debug info. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1533 | void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1534 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1535 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1536 | |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1537 | // Do not emit variable debug information while generating optimized code. |
| 1538 | // The llvm optimizer and code generator are not yet ready to support |
| 1539 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1540 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1541 | if (CGO.OptimizationLevel) |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1542 | return; |
| 1543 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1544 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1545 | llvm::DIType Ty; |
| 1546 | uint64_t XOffset = 0; |
| 1547 | if (VD->hasAttr<BlocksAttr>()) |
| 1548 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1549 | else |
| 1550 | Ty = getOrCreateType(VD->getType(), Unit); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1551 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1552 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1553 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1554 | PresumedLoc PLoc = SM.getPresumedLoc(VD->getLocation()); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1555 | unsigned Line = 0; |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1556 | unsigned Column = 0; |
Devang Patel | d263e7b | 2010-02-10 01:09:50 +0000 | [diff] [blame] | 1557 | if (PLoc.isInvalid()) |
| 1558 | PLoc = SM.getPresumedLoc(CurLoc); |
| 1559 | if (PLoc.isValid()) { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1560 | Line = PLoc.getLine(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1561 | Column = PLoc.getColumn(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1562 | Unit = getOrCreateFile(CurLoc); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1563 | } else { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1564 | Unit = llvm::DIFile(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1565 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1566 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1567 | // Create the descriptor for the variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1568 | llvm::DIVariable D = |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1569 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1570 | VD->getName(), |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1571 | Unit, Line, Ty); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1572 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1573 | llvm::Instruction *Call = |
Devang Patel | a020380 | 2009-11-10 23:07:24 +0000 | [diff] [blame] | 1574 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1575 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1576 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1577 | llvm::DILocation DO(NULL); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1578 | llvm::DILocation DL = DebugFactory.CreateLocation(Line, Column, DS, DO); |
| 1579 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1580 | Call->setMetadata("dbg", DL.getNode()); |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1581 | } |
| 1582 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1583 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1584 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1585 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1586 | CodeGenFunction *CGF) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1587 | const ValueDecl *VD = BDRE->getDecl(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1588 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1589 | |
| 1590 | // Do not emit variable debug information while generating optimized code. |
| 1591 | // The llvm optimizer and code generator are not yet ready to support |
| 1592 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1593 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1594 | if (CGO.OptimizationLevel || Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1595 | return; |
| 1596 | |
| 1597 | uint64_t XOffset = 0; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1598 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1599 | llvm::DIType Ty; |
| 1600 | if (VD->hasAttr<BlocksAttr>()) |
| 1601 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1602 | else |
| 1603 | Ty = getOrCreateType(VD->getType(), Unit); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1604 | |
| 1605 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1606 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1607 | PresumedLoc PLoc = SM.getPresumedLoc(VD->getLocation()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1608 | unsigned Line = 0; |
| 1609 | if (!PLoc.isInvalid()) |
| 1610 | Line = PLoc.getLine(); |
| 1611 | else |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1612 | Unit = llvm::DIFile(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1613 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1614 | CharUnits offset = CGF->BlockDecls[VD]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1615 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1616 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1617 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1618 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1619 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1620 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1621 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1622 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1623 | // offset of __forwarding field |
| 1624 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1625 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1626 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1627 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1628 | // offset of x field |
| 1629 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1630 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1631 | } |
| 1632 | |
| 1633 | // Create the descriptor for the variable. |
| 1634 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1635 | DebugFactory.CreateComplexVariable(Tag, |
| 1636 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1637 | VD->getName(), Unit, Line, Ty, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1638 | addr); |
| 1639 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1640 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1641 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1642 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1643 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1644 | llvm::DILocation DO(NULL); |
| 1645 | llvm::DILocation DL = |
| 1646 | DebugFactory.CreateLocation(Line, PLoc.getColumn(), DS, DO); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1647 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1648 | Call->setMetadata("dbg", DL.getNode()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1649 | } |
| 1650 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1651 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *VD, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1652 | llvm::Value *Storage, |
| 1653 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1654 | EmitDeclare(VD, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1655 | } |
| 1656 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1657 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1658 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1659 | CodeGenFunction *CGF) { |
| 1660 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1661 | } |
| 1662 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1663 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1664 | /// variable declaration. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1665 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *VD, llvm::Value *AI, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1666 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1667 | EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | |
| 1671 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1672 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1673 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1674 | const VarDecl *D) { |
| 1675 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1676 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1677 | llvm::DIFile Unit = getOrCreateFile(D->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1678 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1679 | PresumedLoc PLoc = SM.getPresumedLoc(D->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1680 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1681 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1682 | QualType T = D->getType(); |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1683 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1684 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1685 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1686 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1687 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1688 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1689 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1690 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1691 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1692 | ArrayType::Normal, 0); |
| 1693 | } |
Sanjiv Gupta | 67b14f0 | 2010-02-25 05:20:44 +0000 | [diff] [blame] | 1694 | llvm::StringRef DeclName = Var->getName(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1695 | llvm::DIDescriptor DContext = |
| 1696 | getContextDescriptor(dyn_cast<Decl>(D->getDeclContext()), Unit); |
| 1697 | DebugFactory.CreateGlobalVariable(DContext, DeclName, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 1698 | DeclName, llvm::StringRef(), Unit, LineNo, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1699 | getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1700 | Var->hasInternalLinkage(), |
| 1701 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1702 | } |
| 1703 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1704 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1705 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1706 | ObjCInterfaceDecl *ID) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1707 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1708 | llvm::DIFile Unit = getOrCreateFile(ID->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1709 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1710 | PresumedLoc PLoc = SM.getPresumedLoc(ID->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1711 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1712 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1713 | llvm::StringRef Name = ID->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1714 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1715 | QualType T = CGM.getContext().getObjCInterfaceType(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1716 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1717 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1718 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1719 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1720 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1721 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1722 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1723 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1724 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1725 | ArrayType::Normal, 0); |
| 1726 | } |
| 1727 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1728 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1729 | getOrCreateType(T, Unit), |
| 1730 | Var->hasInternalLinkage(), |
| 1731 | true/*definition*/, Var); |
| 1732 | } |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1733 | |
| 1734 | /// getOrCreateNamesSpace - Return namespace descriptor for the given |
| 1735 | /// namespace decl. |
| 1736 | llvm::DINameSpace |
| 1737 | CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl, |
| 1738 | llvm::DIDescriptor Unit) { |
| 1739 | llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I = |
| 1740 | NameSpaceCache.find(NSDecl); |
| 1741 | if (I != NameSpaceCache.end()) |
| 1742 | return llvm::DINameSpace(cast<llvm::MDNode>(I->second)); |
| 1743 | |
| 1744 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1745 | PresumedLoc PLoc = SM.getPresumedLoc(NSDecl->getLocation()); |
| 1746 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 1747 | |
| 1748 | llvm::DIDescriptor Context = |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1749 | getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()), Unit); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1750 | llvm::DINameSpace NS = |
| 1751 | DebugFactory.CreateNameSpace(Context, NSDecl->getName(), |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1752 | llvm::DIFile(Unit.getNode()), LineNo); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1753 | NameSpaceCache[NSDecl] = llvm::WeakVH(NS.getNode()); |
| 1754 | return NS; |
| 1755 | } |