Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1 | //===--- CGDebugInfo.cpp - Emit Debug Information for a Module ------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This coordinates the debug information generation while generating code. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "CGDebugInfo.h" |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 15 | #include "CodeGenFunction.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 16 | #include "CodeGenModule.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 17 | #include "clang/AST/ASTContext.h" |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 18 | #include "clang/AST/DeclObjC.h" |
Chris Lattner | 3cc5c40 | 2008-11-11 07:01:36 +0000 | [diff] [blame] | 19 | #include "clang/AST/Expr.h" |
Anders Carlsson | 19cc4ab | 2009-07-18 19:43:29 +0000 | [diff] [blame] | 20 | #include "clang/AST/RecordLayout.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 21 | #include "clang/Basic/SourceManager.h" |
| 22 | #include "clang/Basic/FileManager.h" |
Mike Stump | 5a86217 | 2009-09-15 21:48:34 +0000 | [diff] [blame] | 23 | #include "clang/Basic/Version.h" |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 24 | #include "clang/CodeGen/CodeGenOptions.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 25 | #include "llvm/Constants.h" |
| 26 | #include "llvm/DerivedTypes.h" |
| 27 | #include "llvm/Instructions.h" |
| 28 | #include "llvm/Intrinsics.h" |
| 29 | #include "llvm/Module.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 30 | #include "llvm/ADT/StringExtras.h" |
| 31 | #include "llvm/ADT/SmallVector.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 32 | #include "llvm/Support/Dwarf.h" |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 33 | #include "llvm/System/Path.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 34 | #include "llvm/Target/TargetMachine.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 35 | using namespace clang; |
| 36 | using namespace clang::CodeGen; |
| 37 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 38 | CGDebugInfo::CGDebugInfo(CodeGenModule &CGM) |
| 39 | : CGM(CGM), isMainCompileUnitCreated(false), DebugFactory(CGM.getModule()), |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 40 | BlockLiteralGenericSet(false) { |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 41 | } |
| 42 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 43 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 44 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 47 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 48 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 49 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 50 | } |
| 51 | |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 52 | /// getContextDescriptor - Get context info for the decl. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 53 | llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *Context, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 54 | llvm::DIDescriptor &CompileUnit) { |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 55 | if (!Context) |
| 56 | return CompileUnit; |
| 57 | |
| 58 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator |
| 59 | I = RegionMap.find(Context); |
| 60 | if (I != RegionMap.end()) |
| 61 | return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(I->second)); |
| 62 | |
| 63 | // Check namespace. |
| 64 | if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context)) |
| 65 | return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit)); |
| 66 | |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 67 | return CompileUnit; |
| 68 | } |
| 69 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 70 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 71 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 72 | /// is stored on the side. |
| 73 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 74 | assert (FD && "Invalid FunctionDecl!"); |
| 75 | IdentifierInfo *FII = FD->getIdentifier(); |
| 76 | if (FII) |
| 77 | return FII->getName(); |
| 78 | |
| 79 | // Otherwise construct human readable name for debug info. |
| 80 | std::string NS = FD->getNameAsString(); |
| 81 | |
| 82 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 83 | char *StrPtr = DebugInfoNames.Allocate<char>(NS.length()); |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 84 | memcpy(StrPtr, NS.data(), NS.length()); |
| 85 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 86 | } |
| 87 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 88 | /// getOrCreateCompileUnit - Get the compile unit from the cache or create a new |
Daniel Dunbar | 25f51dd | 2008-10-24 08:38:36 +0000 | [diff] [blame] | 89 | /// one if necessary. This returns null for invalid source locations. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 90 | llvm::DICompileUnit CGDebugInfo::getOrCreateCompileUnit(SourceLocation Loc) { |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 91 | // Get source file information. |
| 92 | const char *FileName = "<unknown>"; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 93 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Chris Lattner | adb1a6f | 2009-04-19 06:50:29 +0000 | [diff] [blame] | 94 | unsigned FID = 0; |
Daniel Dunbar | 831570c | 2009-01-22 00:09:25 +0000 | [diff] [blame] | 95 | if (Loc.isValid()) { |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 96 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
| 97 | FileName = PLoc.getFilename(); |
| 98 | FID = PLoc.getIncludeLoc().getRawEncoding(); |
Daniel Dunbar | 831570c | 2009-01-22 00:09:25 +0000 | [diff] [blame] | 99 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 100 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 101 | // See if this compile unit has been used before. |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 102 | llvm::DICompileUnit &Unit = CompileUnitCache[FID]; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 103 | if (!Unit.isNull()) return Unit; |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 104 | |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 105 | // Get absolute path name. |
| 106 | llvm::sys::Path AbsFileName(FileName); |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 107 | AbsFileName.makeAbsolute(); |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 108 | |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 109 | // See if thie compile unit is representing main source file. Each source |
| 110 | // file has corresponding compile unit. There is only one main source |
| 111 | // file at a time. |
| 112 | bool isMain = false; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 113 | const LangOptions &LO = CGM.getLangOptions(); |
| 114 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 115 | if (isMainCompileUnitCreated == false) { |
Daniel Dunbar | 7d065d0 | 2009-11-29 02:38:34 +0000 | [diff] [blame] | 116 | if (!CGO.MainFileName.empty()) { |
| 117 | if (AbsFileName.getLast() == CGO.MainFileName) |
Devang Patel | 72240d7 | 2009-06-26 18:32:22 +0000 | [diff] [blame] | 118 | isMain = true; |
| 119 | } else { |
| 120 | if (Loc.isValid() && SM.isFromMainFile(Loc)) |
| 121 | isMain = true; |
| 122 | } |
| 123 | if (isMain) |
| 124 | isMainCompileUnitCreated = true; |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 125 | } |
Daniel Dunbar | c9abc04 | 2009-04-08 05:11:16 +0000 | [diff] [blame] | 126 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 127 | unsigned LangTag; |
| 128 | if (LO.CPlusPlus) { |
| 129 | if (LO.ObjC1) |
| 130 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 131 | else |
| 132 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 133 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 134 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 135 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 136 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 137 | } else { |
| 138 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 139 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 140 | |
Benjamin Kramer | 47daf68 | 2009-12-08 11:02:29 +0000 | [diff] [blame] | 141 | const char *Producer = |
Mike Stump | d8945d6 | 2009-10-09 18:38:12 +0000 | [diff] [blame] | 142 | #ifdef CLANG_VENDOR |
| 143 | CLANG_VENDOR |
| 144 | #endif |
| 145 | "clang " CLANG_VERSION_STRING; |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 146 | |
| 147 | // Figure out which version of the ObjC runtime we have. |
| 148 | unsigned RuntimeVers = 0; |
| 149 | if (LO.ObjC1) |
| 150 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 151 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 152 | // Create new compile unit. |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 153 | return Unit = DebugFactory.CreateCompileUnit( |
| 154 | LangTag, AbsFileName.getLast(), AbsFileName.getDirname(), Producer, isMain, |
| 155 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 156 | } |
| 157 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 158 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 159 | /// one if necessary. |
| 160 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT, |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 161 | llvm::DICompileUnit Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 162 | unsigned Encoding = 0; |
| 163 | switch (BT->getKind()) { |
| 164 | default: |
| 165 | case BuiltinType::Void: |
| 166 | return llvm::DIType(); |
| 167 | case BuiltinType::UChar: |
| 168 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 169 | case BuiltinType::Char_S: |
| 170 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 171 | case BuiltinType::UShort: |
| 172 | case BuiltinType::UInt: |
| 173 | case BuiltinType::ULong: |
| 174 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 175 | case BuiltinType::Short: |
| 176 | case BuiltinType::Int: |
| 177 | case BuiltinType::Long: |
| 178 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 179 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 180 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 181 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 182 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 183 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 184 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 185 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 186 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 187 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 188 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 189 | llvm::DIType DbgTy = |
| 190 | DebugFactory.CreateBasicType(Unit, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 191 | BT->getName(CGM.getContext().getLangOptions()), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 192 | Unit, 0, Size, Align, |
| 193 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 194 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 195 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 196 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 197 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
| 198 | llvm::DICompileUnit Unit) { |
| 199 | // Bit size, align and offset of the type. |
| 200 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 201 | if (Ty->isComplexIntegerType()) |
| 202 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 203 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 204 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 205 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 206 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 207 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 208 | llvm::DIType DbgTy = |
| 209 | DebugFactory.CreateBasicType(Unit, "complex", |
| 210 | Unit, 0, Size, Align, |
| 211 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 212 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 213 | } |
| 214 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 215 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 216 | /// a new one if necessary. |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 217 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DICompileUnit Unit) { |
| 218 | QualifierCollector Qc; |
| 219 | const Type *T = Qc.strip(Ty); |
| 220 | |
| 221 | // Ignore these qualifiers for now. |
| 222 | Qc.removeObjCGCAttr(); |
| 223 | Qc.removeAddressSpace(); |
| 224 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 225 | // We will create one Derived type for one qualifier and recurse to handle any |
| 226 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 227 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 228 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 229 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 230 | Qc.removeConst(); |
| 231 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 232 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 233 | Qc.removeVolatile(); |
| 234 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 235 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 236 | Qc.removeRestrict(); |
| 237 | } else { |
| 238 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 239 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 240 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 241 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 242 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 243 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 244 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 245 | // CVR derived types. |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 246 | llvm::DIType DbgTy = |
| 247 | DebugFactory.CreateDerivedType(Tag, Unit, "", llvm::DICompileUnit(), |
| 248 | 0, 0, 0, 0, 0, FromTy); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 249 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 250 | } |
| 251 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 252 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
| 253 | llvm::DICompileUnit Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 254 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 255 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 256 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 257 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 258 | } |
| 259 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 260 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
| 261 | llvm::DICompileUnit Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 262 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 263 | Ty->getPointeeType(), Unit); |
| 264 | } |
| 265 | |
| 266 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 267 | const Type *Ty, |
| 268 | QualType PointeeTy, |
| 269 | llvm::DICompileUnit Unit) { |
| 270 | llvm::DIType EltTy = getOrCreateType(PointeeTy, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 271 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 272 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 273 | |
| 274 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 275 | // because that does not return the correct value for references. |
| 276 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 277 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 278 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 279 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 280 | return |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 281 | DebugFactory.CreateDerivedType(Tag, Unit, "", llvm::DICompileUnit(), |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 282 | 0, Size, Align, 0, 0, EltTy); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 283 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 284 | } |
| 285 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 286 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
| 287 | llvm::DICompileUnit Unit) { |
| 288 | if (BlockLiteralGenericSet) |
| 289 | return BlockLiteralGeneric; |
| 290 | |
| 291 | llvm::DICompileUnit DefUnit; |
| 292 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 293 | |
| 294 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 295 | |
| 296 | llvm::DIType FieldTy; |
| 297 | |
| 298 | QualType FType; |
| 299 | uint64_t FieldSize, FieldOffset; |
| 300 | unsigned FieldAlign; |
| 301 | |
| 302 | llvm::DIArray Elements; |
| 303 | llvm::DIType EltTy, DescTy; |
| 304 | |
| 305 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 306 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 307 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 308 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 309 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 310 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 311 | "reserved", DefUnit, |
| 312 | 0, FieldSize, FieldAlign, |
| 313 | FieldOffset, 0, FieldTy); |
| 314 | EltTys.push_back(FieldTy); |
| 315 | |
| 316 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 317 | FType = CGM.getContext().UnsignedLongTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 318 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 319 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 320 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 321 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 322 | "Size", DefUnit, |
| 323 | 0, FieldSize, FieldAlign, |
| 324 | FieldOffset, 0, FieldTy); |
| 325 | EltTys.push_back(FieldTy); |
| 326 | |
| 327 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 328 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 329 | EltTys.clear(); |
| 330 | |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 331 | unsigned Flags = llvm::DIType::FlagAppleBlock; |
| 332 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 333 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_descriptor", |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 334 | DefUnit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 335 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 336 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 337 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 338 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 339 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 340 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 341 | DescTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 342 | Unit, "", llvm::DICompileUnit(), |
| 343 | 0, Size, Align, 0, 0, EltTy); |
| 344 | |
| 345 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 346 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 347 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 348 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 349 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 350 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 351 | "__isa", DefUnit, |
| 352 | 0, FieldSize, FieldAlign, |
| 353 | FieldOffset, 0, FieldTy); |
| 354 | EltTys.push_back(FieldTy); |
| 355 | |
| 356 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 357 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 358 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 359 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 360 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 361 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 362 | "__flags", DefUnit, |
| 363 | 0, FieldSize, FieldAlign, |
| 364 | FieldOffset, 0, FieldTy); |
| 365 | EltTys.push_back(FieldTy); |
| 366 | |
| 367 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 368 | FType = CGM.getContext().IntTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 369 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 370 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 371 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 372 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 373 | "__reserved", DefUnit, |
| 374 | 0, FieldSize, FieldAlign, |
| 375 | FieldOffset, 0, FieldTy); |
| 376 | EltTys.push_back(FieldTy); |
| 377 | |
| 378 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 379 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 380 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 381 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 382 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 383 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 384 | "__FuncPtr", DefUnit, |
| 385 | 0, FieldSize, FieldAlign, |
| 386 | FieldOffset, 0, FieldTy); |
| 387 | EltTys.push_back(FieldTy); |
| 388 | |
| 389 | FieldOffset += FieldSize; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 390 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 391 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 392 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 393 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 394 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 395 | "__descriptor", DefUnit, |
| 396 | 0, FieldSize, FieldAlign, |
| 397 | FieldOffset, 0, FieldTy); |
| 398 | EltTys.push_back(FieldTy); |
| 399 | |
| 400 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 401 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 402 | |
| 403 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_literal_generic", |
Mike Stump | 944e705 | 2009-10-02 02:23:37 +0000 | [diff] [blame] | 404 | DefUnit, 0, FieldOffset, 0, 0, Flags, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 405 | llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 406 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 407 | BlockLiteralGenericSet = true; |
| 408 | BlockLiteralGeneric |
| 409 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, Unit, |
| 410 | "", llvm::DICompileUnit(), |
| 411 | 0, Size, Align, 0, 0, EltTy); |
| 412 | return BlockLiteralGeneric; |
| 413 | } |
| 414 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 415 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
| 416 | llvm::DICompileUnit Unit) { |
| 417 | // Typedefs are derived from some other type. If we have a typedef of a |
| 418 | // typedef, make sure to emit the whole chain. |
| 419 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 420 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 421 | // We don't set size information, but do specify where the typedef was |
| 422 | // declared. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 423 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 424 | PresumedLoc PLoc = SM.getPresumedLoc(Ty->getDecl()->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 425 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 426 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 427 | llvm::DIDescriptor TyContext |
| 428 | = getContextDescriptor(dyn_cast<Decl>(Ty->getDecl()->getDeclContext()), |
| 429 | Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 430 | llvm::DIType DbgTy = |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 431 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_typedef, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 432 | TyContext, |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 433 | Ty->getDecl()->getName(), Unit, |
| 434 | Line, 0, 0, 0, 0, Src); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 435 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 436 | } |
| 437 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 438 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
| 439 | llvm::DICompileUnit Unit) { |
| 440 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 441 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 442 | // Add the result type at least. |
| 443 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 444 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 445 | // Set up remainder of arguments if there is a prototype. |
| 446 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 447 | if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 448 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 449 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
| 450 | } else { |
| 451 | // FIXME: Handle () case in C. llvm-gcc doesn't do it either. |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 452 | } |
| 453 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 454 | llvm::DIArray EltTypeArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 455 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 456 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 457 | llvm::DIType DbgTy = |
| 458 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
| 459 | Unit, "", llvm::DICompileUnit(), |
| 460 | 0, 0, 0, 0, 0, |
| 461 | llvm::DIType(), EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 462 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 463 | } |
| 464 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 465 | /// CollectRecordFields - A helper function to collect debug info for |
| 466 | /// record fields. This is used while creating debug info entry for a Record. |
| 467 | void CGDebugInfo:: |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 468 | CollectRecordFields(const RecordDecl *RD, llvm::DICompileUnit Unit, |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 469 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
| 470 | unsigned FieldNo = 0; |
| 471 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 472 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 473 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 474 | E = RD->field_end(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 475 | I != E; ++I, ++FieldNo) { |
| 476 | FieldDecl *Field = *I; |
| 477 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 478 | |
| 479 | llvm::StringRef FieldName = Field->getName(); |
| 480 | |
| 481 | // Ignore unnamed fields. |
| 482 | if (FieldName.empty()) |
| 483 | continue; |
| 484 | |
| 485 | // Get the location for the field. |
| 486 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 487 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 488 | llvm::DICompileUnit FieldDefUnit; |
| 489 | unsigned FieldLine = 0; |
| 490 | |
| 491 | if (!PLoc.isInvalid()) { |
| 492 | FieldDefUnit = getOrCreateCompileUnit(FieldDefLoc); |
| 493 | FieldLine = PLoc.getLine(); |
| 494 | } |
| 495 | |
| 496 | QualType FType = Field->getType(); |
| 497 | uint64_t FieldSize = 0; |
| 498 | unsigned FieldAlign = 0; |
| 499 | if (!FType->isIncompleteArrayType()) { |
| 500 | |
| 501 | // Bit size, align and offset of the type. |
| 502 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 503 | Expr *BitWidth = Field->getBitWidth(); |
| 504 | if (BitWidth) |
| 505 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
| 506 | |
| 507 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 508 | } |
| 509 | |
| 510 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 511 | |
| 512 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 513 | // struct. FIXME: This is an absolutely insane way to capture this |
| 514 | // information. When we gut debug info, this should be fixed. |
| 515 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 516 | FieldName, FieldDefUnit, |
| 517 | FieldLine, FieldSize, FieldAlign, |
| 518 | FieldOffset, 0, FieldTy); |
| 519 | EltTys.push_back(FieldTy); |
| 520 | } |
| 521 | } |
| 522 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 523 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 524 | /// function type is not updated to include implicit "this" pointer. Use this |
| 525 | /// routine to get a method type which includes "this" pointer. |
| 526 | llvm::DIType |
| 527 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
| 528 | llvm::DICompileUnit Unit) { |
| 529 | llvm::DIType FnTy = getOrCreateType(Method->getType(), Unit); |
Devang Patel | d774d1e | 2010-01-28 21:43:50 +0000 | [diff] [blame] | 530 | |
| 531 | // Static methods do not need "this" pointer argument. |
| 532 | if (Method->isStatic()) |
| 533 | return FnTy; |
| 534 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 535 | // Add "this" pointer. |
| 536 | |
| 537 | llvm::DIArray Args = llvm::DICompositeType(FnTy.getNode()).getTypeArray(); |
| 538 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 539 | |
| 540 | llvm::SmallVector<llvm::DIDescriptor, 16> Elts; |
| 541 | |
| 542 | // First element is always return type. For 'void' functions it is NULL. |
| 543 | Elts.push_back(Args.getElement(0)); |
| 544 | |
| 545 | // "this" pointer is always first argument. |
| 546 | ASTContext &Context = CGM.getContext(); |
| 547 | QualType ThisPtr = |
| 548 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
| 549 | Elts.push_back(getOrCreateType(ThisPtr, Unit)); |
| 550 | |
| 551 | // Copy rest of the arguments. |
| 552 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 553 | Elts.push_back(Args.getElement(i)); |
| 554 | |
| 555 | llvm::DIArray EltTypeArray = |
| 556 | DebugFactory.GetOrCreateArray(Elts.data(), Elts.size()); |
| 557 | |
| 558 | return |
| 559 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
| 560 | Unit, "", llvm::DICompileUnit(), |
| 561 | 0, 0, 0, 0, 0, |
| 562 | llvm::DIType(), EltTypeArray); |
| 563 | } |
| 564 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 565 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 566 | /// a single member function GlobalDecl. |
| 567 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 568 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 569 | llvm::DICompileUnit Unit, |
| 570 | llvm::DICompositeType &RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 571 | bool IsCtorOrDtor = |
| 572 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 573 | |
| 574 | llvm::StringRef MethodName = getFunctionName(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 575 | llvm::StringRef MethodLinkageName; |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 576 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 577 | |
| 578 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 579 | // make sense to give a single ctor/dtor a linkage name. |
| 580 | if (!IsCtorOrDtor) |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 581 | MethodLinkageName = CGM.getMangledName(Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 582 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 583 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 584 | |
| 585 | // Get the location for the method. |
| 586 | SourceLocation MethodDefLoc = Method->getLocation(); |
| 587 | PresumedLoc PLoc = SM.getPresumedLoc(MethodDefLoc); |
| 588 | llvm::DICompileUnit MethodDefUnit; |
| 589 | unsigned MethodLine = 0; |
| 590 | |
| 591 | if (!PLoc.isInvalid()) { |
| 592 | MethodDefUnit = getOrCreateCompileUnit(MethodDefLoc); |
| 593 | MethodLine = PLoc.getLine(); |
| 594 | } |
| 595 | |
| 596 | // Collect virtual method info. |
| 597 | llvm::DIType ContainingType; |
| 598 | unsigned Virtuality = 0; |
| 599 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 600 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 601 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 602 | if (Method->isPure()) |
| 603 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 604 | else |
| 605 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 606 | |
| 607 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 608 | // since a single destructor has two entries in the vtable. |
| 609 | if (!isa<CXXDestructorDecl>(Method)) |
| 610 | VIndex = CGM.getVtableInfo().getMethodVtableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 611 | ContainingType = RecordTy; |
| 612 | } |
| 613 | |
| 614 | llvm::DISubprogram SP = |
| 615 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 616 | MethodLinkageName, |
| 617 | MethodDefUnit, MethodLine, |
| 618 | MethodTy, /*isLocalToUnit=*/false, |
| 619 | Method->isThisDeclarationADefinition(), |
| 620 | Virtuality, VIndex, ContainingType); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 621 | |
| 622 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 623 | // a single ctor or dtor. |
| 624 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
| 625 | SPCache[Method] = llvm::WeakVH(SP.getNode()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 626 | |
| 627 | return SP; |
| 628 | } |
| 629 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 630 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 631 | /// C++ member functions.This is used while creating debug info entry for |
| 632 | /// a Record. |
| 633 | void CGDebugInfo:: |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 634 | CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DICompileUnit Unit, |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 635 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 636 | llvm::DICompositeType &RecordTy) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 637 | for(CXXRecordDecl::method_iterator I = RD->method_begin(), |
| 638 | E = RD->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 639 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 640 | |
| 641 | if (Method->isImplicit()) |
| 642 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 643 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 644 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 648 | /// CollectCXXBases - A helper function to collect debug info for |
| 649 | /// C++ base classes. This is used while creating debug info entry for |
| 650 | /// a Record. |
| 651 | void CGDebugInfo:: |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 652 | CollectCXXBases(const CXXRecordDecl *RD, llvm::DICompileUnit Unit, |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 653 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 654 | llvm::DICompositeType &RecordTy) { |
| 655 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 656 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 657 | for (CXXRecordDecl::base_class_const_iterator BI = RD->bases_begin(), |
| 658 | BE = RD->bases_end(); BI != BE; ++BI) { |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 659 | unsigned BFlags = 0; |
| 660 | uint64_t BaseOffset; |
| 661 | |
| 662 | const CXXRecordDecl *Base = |
| 663 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 664 | |
| 665 | if (BI->isVirtual()) { |
| 666 | BaseOffset = RL.getVBaseClassOffset(Base); |
| 667 | BFlags = llvm::DIType::FlagVirtual; |
| 668 | } else |
| 669 | BaseOffset = RL.getBaseClassOffset(Base); |
| 670 | |
| 671 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 672 | if (Access == clang::AS_private) |
| 673 | BFlags |= llvm::DIType::FlagPrivate; |
| 674 | else if (Access == clang::AS_protected) |
| 675 | BFlags |= llvm::DIType::FlagProtected; |
| 676 | |
| 677 | llvm::DIType DTy = |
| 678 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 679 | RecordTy, llvm::StringRef(), |
| 680 | llvm::DICompileUnit(), 0, 0, 0, |
| 681 | BaseOffset, BFlags, |
| 682 | getOrCreateType(BI->getType(), |
| 683 | Unit)); |
| 684 | EltTys.push_back(DTy); |
| 685 | } |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 686 | } |
| 687 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 688 | /// getOrCreateVTablePtrType - Return debug info descriptor for vtable. |
| 689 | llvm::DIType CGDebugInfo::getOrCreateVTablePtrType(llvm::DICompileUnit Unit) { |
| 690 | if (!VTablePtrType.isNull()) |
| 691 | return VTablePtrType; |
| 692 | |
| 693 | ASTContext &Context = CGM.getContext(); |
| 694 | |
| 695 | /* Function type */ |
| 696 | llvm::SmallVector<llvm::DIDescriptor, 16> STys; |
| 697 | STys.push_back(getOrCreateType(Context.IntTy, Unit)); |
| 698 | llvm::DIArray SElements = |
| 699 | DebugFactory.GetOrCreateArray(STys.data(), STys.size()); |
| 700 | llvm::DIType SubTy = |
| 701 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
| 702 | Unit, "", llvm::DICompileUnit(), |
| 703 | 0, 0, 0, 0, 0, llvm::DIType(), SElements); |
| 704 | |
| 705 | unsigned Size = Context.getTypeSize(Context.VoidPtrTy); |
| 706 | llvm::DIType vtbl_ptr_type |
| 707 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 708 | Unit, "__vtbl_ptr_type", llvm::DICompileUnit(), |
| 709 | 0, Size, 0, 0, 0, SubTy); |
| 710 | |
| 711 | VTablePtrType = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 712 | Unit, "", llvm::DICompileUnit(), |
| 713 | 0, Size, 0, 0, 0, vtbl_ptr_type); |
| 714 | return VTablePtrType; |
| 715 | } |
| 716 | |
| 717 | /// getVtableName - Get vtable name for the given Class. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 718 | llvm::StringRef CGDebugInfo::getVtableName(const CXXRecordDecl *RD) { |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 719 | // Otherwise construct gdb compatible name name. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 720 | std::string Name = "_vptr$" + RD->getNameAsString(); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 721 | |
| 722 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 723 | char *StrPtr = DebugInfoNames.Allocate<char>(Name.length()); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 724 | memcpy(StrPtr, Name.data(), Name.length()); |
| 725 | return llvm::StringRef(StrPtr, Name.length()); |
| 726 | } |
| 727 | |
| 728 | |
| 729 | /// CollectVtableInfo - If the C++ class has vtable info then insert appropriate |
| 730 | /// debug info entry in EltTys vector. |
| 731 | void CGDebugInfo:: |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 732 | CollectVtableInfo(const CXXRecordDecl *RD, llvm::DICompileUnit Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 733 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 734 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 735 | |
| 736 | // If there is a primary base then it will hold vtable info. |
| 737 | if (RL.getPrimaryBase()) |
| 738 | return; |
| 739 | |
| 740 | // 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^] | 741 | if (!RD->isDynamicClass()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 742 | return; |
| 743 | |
| 744 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 745 | llvm::DIType VPTR |
| 746 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 747 | getVtableName(RD), llvm::DICompileUnit(), |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 748 | 0, Size, 0, 0, 0, |
| 749 | getOrCreateVTablePtrType(Unit)); |
| 750 | EltTys.push_back(VPTR); |
| 751 | } |
| 752 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 753 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 754 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
| 755 | llvm::DICompileUnit Unit) { |
Douglas Gregor | a4c46df | 2008-12-11 17:59:21 +0000 | [diff] [blame] | 756 | RecordDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 757 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 758 | unsigned Tag; |
| 759 | if (Decl->isStruct()) |
| 760 | Tag = llvm::dwarf::DW_TAG_structure_type; |
| 761 | else if (Decl->isUnion()) |
| 762 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 763 | else { |
| 764 | assert(Decl->isClass() && "Unknown RecordType!"); |
| 765 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 766 | } |
| 767 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 768 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 769 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 770 | // Get overall information about the record type for the debug info. |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 771 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
Chris Lattner | d37d9b5 | 2009-05-05 05:16:17 +0000 | [diff] [blame] | 772 | llvm::DICompileUnit DefUnit; |
| 773 | unsigned Line = 0; |
| 774 | if (!PLoc.isInvalid()) { |
| 775 | DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
| 776 | Line = PLoc.getLine(); |
| 777 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 778 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 779 | // Records and classes and unions can all be recursive. To handle them, we |
| 780 | // first generate a debug descriptor for the struct as a forward declaration. |
| 781 | // Then (if it is a definition) we go through and get debug info for all of |
| 782 | // its members. Finally, we create a descriptor for the complete type (which |
| 783 | // may refer to the forward decl if the struct is recursive) and replace all |
| 784 | // uses of the forward declaration with the final definition. |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 785 | |
| 786 | // A Decl->getName() is not unique. However, the debug info descriptors |
| 787 | // are uniqued. The debug info descriptor describing record's context is |
| 788 | // necessary to keep two Decl's descriptor unique if their name match. |
| 789 | // FIXME : Use RecordDecl's DeclContext's descriptor. As a temp. step |
| 790 | // use type's name in FwdDecl. |
| 791 | std::string STy = QualType(Ty, 0).getAsString(); |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 792 | llvm::DICompositeType FwdDecl = |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 793 | DebugFactory.CreateCompositeType(Tag, Unit, STy.c_str(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 794 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 795 | llvm::DIType(), llvm::DIArray()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 796 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 797 | // If this is just a forward declaration, return it. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 798 | if (!Decl->getDefinition(CGM.getContext())) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 799 | return FwdDecl; |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 800 | |
Eli Friedman | 14d6365 | 2009-11-16 21:04:30 +0000 | [diff] [blame] | 801 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 802 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 803 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 804 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 805 | |
| 806 | // Convert all the elements. |
| 807 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 808 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 809 | const CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(Decl); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 810 | if (CXXDecl) { |
| 811 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 812 | CollectVtableInfo(CXXDecl, Unit, EltTys); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 813 | } |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 814 | CollectRecordFields(Decl, Unit, EltTys); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 815 | llvm::MDNode *ContainingType = NULL; |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 816 | if (CXXDecl) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 817 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 818 | |
| 819 | // A class's primary base or the class itself contains the vtable. |
| 820 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(Decl); |
| 821 | if (const CXXRecordDecl *PBase = RL.getPrimaryBase()) |
| 822 | ContainingType = |
| 823 | getOrCreateType(QualType(PBase->getTypeForDecl(), 0), Unit).getNode(); |
| 824 | else if (CXXDecl->isDynamicClass()) |
| 825 | ContainingType = FwdDecl.getNode(); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 826 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 827 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 828 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 829 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 830 | |
| 831 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 832 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 833 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 834 | |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 835 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 836 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 837 | DefUnit, Line, Size, Align, 0, 0, |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 838 | llvm::DIType(), Elements, |
| 839 | 0, ContainingType); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 840 | |
| 841 | // Now that we have a real decl for the struct, replace anything using the |
| 842 | // 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] | 843 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 844 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 845 | return RealDecl; |
| 846 | } |
| 847 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 848 | /// CreateType - get objective-c interface type. |
| 849 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
| 850 | llvm::DICompileUnit Unit) { |
| 851 | ObjCInterfaceDecl *Decl = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 852 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 853 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 854 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 855 | |
| 856 | // Get overall information about the record type for the debug info. |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 857 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(Decl->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 858 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 859 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 860 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 861 | |
Daniel Dunbar | d86d336 | 2009-05-18 20:51:58 +0000 | [diff] [blame] | 862 | unsigned RuntimeLang = DefUnit.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 863 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 864 | // To handle recursive interface, we |
| 865 | // first generate a debug descriptor for the struct as a forward declaration. |
| 866 | // Then (if it is a definition) we go through and get debug info for all of |
| 867 | // its members. Finally, we create a descriptor for the complete type (which |
| 868 | // may refer to the forward decl if the struct is recursive) and replace all |
| 869 | // uses of the forward declaration with the final definition. |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 870 | llvm::DICompositeType FwdDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 871 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 872 | DefUnit, Line, 0, 0, 0, 0, |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 873 | llvm::DIType(), llvm::DIArray(), |
| 874 | RuntimeLang); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 875 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 876 | // If this is just a forward declaration, return it. |
| 877 | if (Decl->isForwardDecl()) |
| 878 | return FwdDecl; |
| 879 | |
Devang Patel | ffffb03 | 2009-11-16 20:09:38 +0000 | [diff] [blame] | 880 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 881 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 882 | // it. |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 883 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl.getNode(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 884 | |
| 885 | // Convert all the elements. |
| 886 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 887 | |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 888 | ObjCInterfaceDecl *SClass = Decl->getSuperClass(); |
| 889 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 890 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 891 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 892 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 893 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Chris Lattner | 9e55b8a | 2009-05-05 05:05:36 +0000 | [diff] [blame] | 894 | Unit, "", llvm::DICompileUnit(), 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 895 | 0 /* offset */, 0, SClassTy); |
| 896 | EltTys.push_back(InhTag); |
| 897 | } |
| 898 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 899 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 900 | |
| 901 | unsigned FieldNo = 0; |
| 902 | for (ObjCInterfaceDecl::ivar_iterator I = Decl->ivar_begin(), |
| 903 | E = Decl->ivar_end(); I != E; ++I, ++FieldNo) { |
| 904 | ObjCIvarDecl *Field = *I; |
| 905 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 906 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 907 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 908 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 909 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 910 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 911 | continue; |
| 912 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 913 | // Get the location for the field. |
| 914 | SourceLocation FieldDefLoc = Field->getLocation(); |
| 915 | llvm::DICompileUnit FieldDefUnit = getOrCreateCompileUnit(FieldDefLoc); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 916 | PresumedLoc PLoc = SM.getPresumedLoc(FieldDefLoc); |
| 917 | unsigned FieldLine = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 918 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 919 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 920 | QualType FType = Field->getType(); |
| 921 | uint64_t FieldSize = 0; |
| 922 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 923 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 924 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 925 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 926 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 927 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 928 | Expr *BitWidth = Field->getBitWidth(); |
| 929 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 930 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 931 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 932 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 933 | } |
| 934 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 935 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 936 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 937 | unsigned Flags = 0; |
| 938 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
| 939 | Flags = llvm::DIType::FlagProtected; |
| 940 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
| 941 | Flags = llvm::DIType::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 942 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 943 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 944 | // struct. FIXME: This is an absolutely insane way to capture this |
| 945 | // information. When we gut debug info, this should be fixed. |
| 946 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 947 | FieldName, FieldDefUnit, |
| 948 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 949 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 950 | EltTys.push_back(FieldTy); |
| 951 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 952 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 953 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 954 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 955 | |
| 956 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 957 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 958 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 959 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 960 | llvm::DICompositeType RealDecl = |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 961 | DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 962 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 963 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 964 | |
| 965 | // Now that we have a real decl for the struct, replace anything using the |
| 966 | // 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] | 967 | llvm::DIDerivedType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 968 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 969 | return RealDecl; |
| 970 | } |
| 971 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 972 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
| 973 | llvm::DICompileUnit Unit) { |
| 974 | EnumDecl *Decl = Ty->getDecl(); |
| 975 | |
| 976 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 977 | |
| 978 | // Create DIEnumerator elements for each enumerator. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 979 | for (EnumDecl::enumerator_iterator |
Argyrios Kyrtzidis | 17945a0 | 2009-06-30 02:36:12 +0000 | [diff] [blame] | 980 | Enum = Decl->enumerator_begin(), EnumEnd = Decl->enumerator_end(); |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 981 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 982 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
Douglas Gregor | 44b4321 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 983 | Enum->getInitVal().getZExtValue())); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 984 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 985 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 986 | // Return a CompositeType for the enum itself. |
| 987 | llvm::DIArray EltArray = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 988 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 989 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 990 | SourceLocation DefLoc = Decl->getLocation(); |
| 991 | llvm::DICompileUnit DefUnit = getOrCreateCompileUnit(DefLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 992 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 993 | PresumedLoc PLoc = SM.getPresumedLoc(DefLoc); |
| 994 | unsigned Line = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 995 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 996 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 997 | // Size and align of the type. |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 998 | uint64_t Size = 0; |
| 999 | unsigned Align = 0; |
| 1000 | if (!Ty->isIncompleteType()) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1001 | Size = CGM.getContext().getTypeSize(Ty); |
| 1002 | Align = CGM.getContext().getTypeAlign(Ty); |
Eli Friedman | 3189e4b | 2009-05-04 04:39:55 +0000 | [diff] [blame] | 1003 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1004 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1005 | llvm::DIType DbgTy = |
| 1006 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1007 | Unit, Decl->getName(), DefUnit, Line, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1008 | Size, Align, 0, 0, |
| 1009 | llvm::DIType(), EltArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1010 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
| 1014 | llvm::DICompileUnit Unit) { |
| 1015 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 1016 | return CreateType(RT, Unit); |
| 1017 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 1018 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1019 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1020 | return llvm::DIType(); |
| 1021 | } |
| 1022 | |
| 1023 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
| 1024 | llvm::DICompileUnit Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1025 | uint64_t Size; |
| 1026 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1027 | |
| 1028 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1029 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1030 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1031 | Size = 0; |
| 1032 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1033 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1034 | } else if (Ty->isIncompleteArrayType()) { |
| 1035 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1036 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1037 | } else { |
| 1038 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1039 | Size = CGM.getContext().getTypeSize(Ty); |
| 1040 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1041 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1042 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1043 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 1044 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 1045 | // obvious/recursive way? |
| 1046 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 1047 | QualType EltTy(Ty, 0); |
| 1048 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1049 | uint64_t Upper = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1050 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
Devang Patel | 5a6bfe3 | 2009-08-14 20:57:45 +0000 | [diff] [blame] | 1051 | if (CAT->getSize().getZExtValue()) |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1052 | Upper = CAT->getSize().getZExtValue() - 1; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1053 | // FIXME: Verify this is right for VLAs. |
| 1054 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 1055 | EltTy = Ty->getElementType(); |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1056 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1057 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1058 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 1059 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1060 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1061 | llvm::DIType DbgTy = |
| 1062 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
| 1063 | Unit, "", llvm::DICompileUnit(), |
| 1064 | 0, Size, Align, 0, 0, |
| 1065 | getOrCreateType(EltTy, Unit), |
| 1066 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1067 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1068 | } |
| 1069 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1070 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
| 1071 | llvm::DICompileUnit Unit) { |
| 1072 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 1073 | Ty, Ty->getPointeeType(), Unit); |
| 1074 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1075 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1076 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
| 1077 | llvm::DICompileUnit U) { |
| 1078 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 1079 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 1080 | |
| 1081 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 1082 | // We have a data member pointer type. |
| 1083 | return PointerDiffDITy; |
| 1084 | } |
| 1085 | |
| 1086 | // We have a member function pointer type. Treat it as a struct with two |
| 1087 | // ptrdiff_t members. |
| 1088 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1089 | |
| 1090 | uint64_t FieldOffset = 0; |
| 1091 | llvm::DIDescriptor ElementTypes[2]; |
| 1092 | |
| 1093 | // FIXME: This should probably be a function type instead. |
| 1094 | ElementTypes[0] = |
| 1095 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 1096 | "ptr", llvm::DICompileUnit(), 0, |
| 1097 | Info.first, Info.second, FieldOffset, 0, |
| 1098 | PointerDiffDITy); |
| 1099 | FieldOffset += Info.first; |
| 1100 | |
| 1101 | ElementTypes[1] = |
| 1102 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
| 1103 | "ptr", llvm::DICompileUnit(), 0, |
| 1104 | Info.first, Info.second, FieldOffset, 0, |
| 1105 | PointerDiffDITy); |
| 1106 | |
| 1107 | llvm::DIArray Elements = |
| 1108 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 1109 | llvm::array_lengthof(ElementTypes)); |
| 1110 | |
| 1111 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 1112 | U, llvm::StringRef("test"), |
| 1113 | llvm::DICompileUnit(), 0, FieldOffset, |
| 1114 | 0, 0, 0, llvm::DIType(), Elements); |
| 1115 | } |
| 1116 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1117 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1118 | do { |
| 1119 | QualType LastT = T; |
| 1120 | switch (T->getTypeClass()) { |
| 1121 | default: |
| 1122 | return T; |
| 1123 | case Type::TemplateSpecialization: |
| 1124 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1125 | break; |
| 1126 | case Type::TypeOfExpr: { |
| 1127 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1128 | T = Ty->getUnderlyingExpr()->getType(); |
| 1129 | break; |
| 1130 | } |
| 1131 | case Type::TypeOf: |
| 1132 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1133 | break; |
| 1134 | case Type::Decltype: |
| 1135 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1136 | break; |
| 1137 | case Type::QualifiedName: |
| 1138 | T = cast<QualifiedNameType>(T)->getNamedType(); |
| 1139 | break; |
| 1140 | case Type::SubstTemplateTypeParm: |
| 1141 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1142 | break; |
| 1143 | case Type::Elaborated: |
| 1144 | T = cast<ElaboratedType>(T)->getUnderlyingType(); |
| 1145 | break; |
| 1146 | } |
| 1147 | |
| 1148 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1149 | if (T == LastT) |
| 1150 | return T; |
| 1151 | } while (true); |
| 1152 | |
| 1153 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1154 | } |
| 1155 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1156 | /// getOrCreateType - Get the type from the cache or create a new |
| 1157 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1158 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
| 1159 | llvm::DICompileUnit Unit) { |
| 1160 | if (Ty.isNull()) |
| 1161 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1162 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1163 | // Unwrap the type as needed for debug information. |
| 1164 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1165 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1166 | // Check for existing entry. |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1167 | std::map<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1168 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1169 | if (it != TypeCache.end()) { |
| 1170 | // Verify that the debug info still exists. |
| 1171 | if (&*it->second) |
| 1172 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1173 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1174 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1175 | // Otherwise create the type. |
| 1176 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1177 | |
| 1178 | // And update the type cache. |
| 1179 | TypeCache[Ty.getAsOpaquePtr()] = Res.getNode(); |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1180 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1181 | } |
| 1182 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1183 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1184 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
| 1185 | llvm::DICompileUnit Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1186 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1187 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1188 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1189 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1190 | const char *Diag = 0; |
| 1191 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1192 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1193 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1194 | #define TYPE(Class, Base) |
| 1195 | #define ABSTRACT_TYPE(Class, Base) |
| 1196 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1197 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1198 | #include "clang/AST/TypeNodes.def" |
| 1199 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1200 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1201 | // FIXME: Handle these. |
| 1202 | case Type::ExtVector: |
| 1203 | case Type::Vector: |
| 1204 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1205 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1206 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1207 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1208 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1209 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1210 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1211 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1212 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1213 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1214 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1215 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1216 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1217 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1218 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1219 | case Type::FunctionProto: |
| 1220 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1221 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1222 | case Type::ConstantArray: |
| 1223 | case Type::VariableArray: |
| 1224 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1225 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1226 | |
| 1227 | case Type::LValueReference: |
| 1228 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1229 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1230 | case Type::MemberPointer: |
| 1231 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1232 | |
| 1233 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1234 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1235 | case Type::QualifiedName: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1236 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1237 | case Type::TypeOfExpr: |
| 1238 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1239 | case Type::Decltype: |
| 1240 | llvm_unreachable("type should have been unwrapped!"); |
| 1241 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1242 | |
| 1243 | case Type::RValueReference: |
| 1244 | // FIXME: Implement! |
| 1245 | Diag = "rvalue references"; |
| 1246 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1247 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1248 | |
| 1249 | assert(Diag && "Fall through without a diagnostic?"); |
| 1250 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1251 | "debug information for %0 is not yet supported"); |
| 1252 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1253 | << Diag; |
| 1254 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1258 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1259 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1260 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1261 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1262 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1263 | llvm::StringRef Name; |
| 1264 | llvm::StringRef LinkageName; |
| 1265 | |
| 1266 | const Decl *D = GD.getDecl(); |
| 1267 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1268 | // If there is a DISubprogram for this function available then use it. |
| 1269 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1270 | FI = SPCache.find(FD); |
| 1271 | if (FI != SPCache.end()) { |
| 1272 | llvm::DISubprogram SP(dyn_cast_or_null<llvm::MDNode>(FI->second)); |
| 1273 | if (!SP.isNull() && SP.isSubprogram() && SP.isDefinition()) { |
| 1274 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1275 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1276 | return; |
| 1277 | } |
| 1278 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1279 | Name = getFunctionName(FD); |
Eli Friedman | 3364e62 | 2010-01-16 00:43:13 +0000 | [diff] [blame] | 1280 | if (!Name.empty() && Name[0] == '\01') |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1281 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1282 | // Use mangled name as linkage name for c/c++ functions. |
Devang Patel | aa97d70 | 2010-01-14 21:46:57 +0000 | [diff] [blame] | 1283 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1284 | } else { |
| 1285 | // Use llvm function name as linkage name. |
| 1286 | Name = Fn->getName(); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1287 | LinkageName = Name; |
Devang Patel | 1758420 | 2010-01-19 00:25:12 +0000 | [diff] [blame] | 1288 | if (!Name.empty() && Name[0] == '\01') |
| 1289 | Name = Name.substr(1); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1290 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1291 | |
Devang Patel | 98a200b | 2010-01-14 18:06:13 +0000 | [diff] [blame] | 1292 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1293 | // Usually, CurLoc points to the left bracket location of compound |
| 1294 | // statement representing function body. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1295 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1296 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1297 | unsigned LineNo = SM.getPresumedLoc(CurLoc).getLine(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1298 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1299 | llvm::DISubprogram SP = |
Devang Patel | 6dba432 | 2009-07-14 21:31:22 +0000 | [diff] [blame] | 1300 | DebugFactory.CreateSubprogram(Unit, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1301 | getOrCreateType(FnType, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1302 | Fn->hasInternalLinkage(), true/*definition*/); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1303 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1304 | // Push function on region stack. |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1305 | RegionStack.push_back(SP.getNode()); |
Devang Patel | 3dd96a1 | 2010-01-29 18:11:03 +0000 | [diff] [blame] | 1306 | RegionMap[D] = llvm::WeakVH(SP.getNode()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1307 | } |
| 1308 | |
| 1309 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1310 | void CGDebugInfo::EmitStopPoint(llvm::Function *Fn, CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1311 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1312 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1313 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1314 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1315 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1316 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1317 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1318 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
| 1319 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1320 | |
| 1321 | // Update last state. |
| 1322 | PrevLoc = CurLoc; |
| 1323 | |
| 1324 | // Get the appropriate compile unit. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1325 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(CurLoc); |
Devang Patel | 0f78fea | 2009-04-08 19:47:04 +0000 | [diff] [blame] | 1326 | PresumedLoc PLoc = SM.getPresumedLoc(CurLoc); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1327 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1328 | llvm::DIDescriptor DR(RegionStack.back()); |
Devang Patel | bbd9fa4 | 2009-10-06 18:36:08 +0000 | [diff] [blame] | 1329 | llvm::DIScope DS = llvm::DIScope(DR.getNode()); |
| 1330 | llvm::DILocation DO(NULL); |
| 1331 | llvm::DILocation DL = |
| 1332 | DebugFactory.CreateLocation(PLoc.getLine(), PLoc.getColumn(), |
| 1333 | DS, DO); |
| 1334 | Builder.SetCurrentDebugLocation(DL.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1338 | /// region - "llvm.dbg.region.start.". |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1339 | void CGDebugInfo::EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1340 | llvm::DIDescriptor D = |
| 1341 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1342 | llvm::DIDescriptor() : |
| 1343 | llvm::DIDescriptor(RegionStack.back())); |
| 1344 | RegionStack.push_back(D.getNode()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1345 | } |
| 1346 | |
| 1347 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1348 | /// region - "llvm.dbg.region.end." |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1349 | void CGDebugInfo::EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1350 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1351 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1352 | // Provide an region stop point. |
| 1353 | EmitStopPoint(Fn, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1354 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1355 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1356 | } |
| 1357 | |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1358 | /// EmitDeclare - Emit local variable declaration debug info. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1359 | void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1360 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1361 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1362 | |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1363 | // Do not emit variable debug information while generating optimized code. |
| 1364 | // The llvm optimizer and code generator are not yet ready to support |
| 1365 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1366 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1367 | if (CGO.OptimizationLevel) |
Devang Patel | 0773903 | 2009-03-27 23:16:32 +0000 | [diff] [blame] | 1368 | return; |
| 1369 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1370 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(VD->getLocation()); |
| 1371 | QualType Type = VD->getType(); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1372 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1373 | if (VD->hasAttr<BlocksAttr>()) { |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1374 | llvm::DICompileUnit DefUnit; |
| 1375 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1376 | |
| 1377 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1378 | |
| 1379 | llvm::DIType FieldTy; |
| 1380 | |
| 1381 | QualType FType; |
| 1382 | uint64_t FieldSize, FieldOffset; |
| 1383 | unsigned FieldAlign; |
| 1384 | |
| 1385 | llvm::DIArray Elements; |
| 1386 | llvm::DIType EltTy; |
| 1387 | |
| 1388 | // Build up structure for the byref. See BuildByRefType. |
| 1389 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1390 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1391 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1392 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1393 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1394 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1395 | "__isa", DefUnit, |
| 1396 | 0, FieldSize, FieldAlign, |
| 1397 | FieldOffset, 0, FieldTy); |
| 1398 | EltTys.push_back(FieldTy); |
| 1399 | FieldOffset += FieldSize; |
| 1400 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1401 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1402 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1403 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1404 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1405 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1406 | "__forwarding", DefUnit, |
| 1407 | 0, FieldSize, FieldAlign, |
| 1408 | FieldOffset, 0, FieldTy); |
| 1409 | EltTys.push_back(FieldTy); |
| 1410 | FieldOffset += FieldSize; |
| 1411 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1412 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1413 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1414 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1415 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1416 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1417 | "__flags", DefUnit, |
| 1418 | 0, FieldSize, FieldAlign, |
| 1419 | FieldOffset, 0, FieldTy); |
| 1420 | EltTys.push_back(FieldTy); |
| 1421 | FieldOffset += FieldSize; |
| 1422 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1423 | FType = CGM.getContext().IntTy; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1424 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1425 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1426 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1427 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1428 | "__size", DefUnit, |
| 1429 | 0, FieldSize, FieldAlign, |
| 1430 | FieldOffset, 0, FieldTy); |
| 1431 | EltTys.push_back(FieldTy); |
| 1432 | FieldOffset += FieldSize; |
| 1433 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1434 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1435 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1436 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1437 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1438 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1439 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1440 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1441 | "__copy_helper", DefUnit, |
| 1442 | 0, FieldSize, FieldAlign, |
| 1443 | FieldOffset, 0, FieldTy); |
| 1444 | EltTys.push_back(FieldTy); |
| 1445 | FieldOffset += FieldSize; |
| 1446 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1447 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1448 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1449 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1450 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1451 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1452 | "__destroy_helper", DefUnit, |
| 1453 | 0, FieldSize, FieldAlign, |
| 1454 | FieldOffset, 0, FieldTy); |
| 1455 | EltTys.push_back(FieldTy); |
| 1456 | FieldOffset += FieldSize; |
| 1457 | } |
| 1458 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1459 | CharUnits Align = CGM.getContext().getDeclAlign(VD); |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1460 | if (Align > CharUnits::fromQuantity( |
| 1461 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1462 | unsigned AlignedOffsetInBytes |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1463 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1464 | unsigned NumPaddingBytes |
Mike Stump | fd47b31 | 2009-09-22 02:44:17 +0000 | [diff] [blame] | 1465 | = AlignedOffsetInBytes - FieldOffset/8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1466 | |
| 1467 | if (NumPaddingBytes > 0) { |
| 1468 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1469 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1470 | pad, ArrayType::Normal, 0); |
| 1471 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1472 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1473 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1474 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1475 | Unit, "", DefUnit, |
| 1476 | 0, FieldSize, FieldAlign, |
| 1477 | FieldOffset, 0, FieldTy); |
| 1478 | EltTys.push_back(FieldTy); |
| 1479 | FieldOffset += FieldSize; |
| 1480 | } |
| 1481 | } |
| 1482 | |
| 1483 | FType = Type; |
| 1484 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1485 | FieldSize = CGM.getContext().getTypeSize(FType); |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1486 | FieldAlign = Align.getQuantity()*8; |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1487 | |
| 1488 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1489 | VD->getName(), DefUnit, |
Mike Stump | 39605b4 | 2009-09-22 02:12:52 +0000 | [diff] [blame] | 1490 | 0, FieldSize, FieldAlign, |
| 1491 | FieldOffset, 0, FieldTy); |
| 1492 | EltTys.push_back(FieldTy); |
| 1493 | FieldOffset += FieldSize; |
| 1494 | |
| 1495 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1496 | |
| 1497 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1498 | |
| 1499 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1500 | llvm::DICompileUnit(), |
| 1501 | 0, FieldOffset, 0, 0, Flags, |
| 1502 | llvm::DIType(), Elements); |
| 1503 | } |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1504 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1505 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1506 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1507 | PresumedLoc PLoc = SM.getPresumedLoc(VD->getLocation()); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1508 | unsigned Line = 0; |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1509 | unsigned Column = 0; |
| 1510 | if (!PLoc.isInvalid()) { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1511 | Line = PLoc.getLine(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1512 | Column = PLoc.getColumn(); |
| 1513 | } else { |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1514 | Unit = llvm::DICompileUnit(); |
Eli Friedman | 1468ac7 | 2009-11-16 20:33:31 +0000 | [diff] [blame] | 1515 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1516 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1517 | // Create the descriptor for the variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1518 | llvm::DIVariable D = |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1519 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame^] | 1520 | VD->getName(), |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1521 | Unit, Line, Ty); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1522 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1523 | llvm::Instruction *Call = |
Devang Patel | a020380 | 2009-11-10 23:07:24 +0000 | [diff] [blame] | 1524 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1525 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1526 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1527 | llvm::DILocation DO(NULL); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1528 | llvm::DILocation DL = DebugFactory.CreateLocation(Line, Column, DS, DO); |
| 1529 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1530 | Call->setMetadata("dbg", DL.getNode()); |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1531 | } |
| 1532 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1533 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1534 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1535 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1536 | CodeGenFunction *CGF) { |
| 1537 | const ValueDecl *Decl = BDRE->getDecl(); |
| 1538 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1539 | |
| 1540 | // Do not emit variable debug information while generating optimized code. |
| 1541 | // The llvm optimizer and code generator are not yet ready to support |
| 1542 | // optimized code debugging. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1543 | const CodeGenOptions &CGO = CGM.getCodeGenOpts(); |
Chandler Carruth | 2811ccf | 2009-11-12 17:24:48 +0000 | [diff] [blame] | 1544 | if (CGO.OptimizationLevel || Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1545 | return; |
| 1546 | |
| 1547 | uint64_t XOffset = 0; |
| 1548 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
| 1549 | QualType Type = Decl->getType(); |
| 1550 | llvm::DIType Ty = getOrCreateType(Type, Unit); |
| 1551 | if (Decl->hasAttr<BlocksAttr>()) { |
| 1552 | llvm::DICompileUnit DefUnit; |
| 1553 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 1554 | |
| 1555 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1556 | |
| 1557 | llvm::DIType FieldTy; |
| 1558 | |
| 1559 | QualType FType; |
| 1560 | uint64_t FieldSize, FieldOffset; |
| 1561 | unsigned FieldAlign; |
| 1562 | |
| 1563 | llvm::DIArray Elements; |
| 1564 | llvm::DIType EltTy; |
| 1565 | |
| 1566 | // Build up structure for the byref. See BuildByRefType. |
| 1567 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1568 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1569 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1570 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1571 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1572 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1573 | "__isa", DefUnit, |
| 1574 | 0, FieldSize, FieldAlign, |
| 1575 | FieldOffset, 0, FieldTy); |
| 1576 | EltTys.push_back(FieldTy); |
| 1577 | FieldOffset += FieldSize; |
| 1578 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1579 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1580 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1581 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1582 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1583 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1584 | "__forwarding", DefUnit, |
| 1585 | 0, FieldSize, FieldAlign, |
| 1586 | FieldOffset, 0, FieldTy); |
| 1587 | EltTys.push_back(FieldTy); |
| 1588 | FieldOffset += FieldSize; |
| 1589 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1590 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1591 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1592 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1593 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1594 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1595 | "__flags", DefUnit, |
| 1596 | 0, FieldSize, FieldAlign, |
| 1597 | FieldOffset, 0, FieldTy); |
| 1598 | EltTys.push_back(FieldTy); |
| 1599 | FieldOffset += FieldSize; |
| 1600 | |
Anders Carlsson | f5f7d86 | 2009-12-29 07:07:36 +0000 | [diff] [blame] | 1601 | FType = CGM.getContext().IntTy; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1602 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1603 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1604 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1605 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1606 | "__size", DefUnit, |
| 1607 | 0, FieldSize, FieldAlign, |
| 1608 | FieldOffset, 0, FieldTy); |
| 1609 | EltTys.push_back(FieldTy); |
| 1610 | FieldOffset += FieldSize; |
| 1611 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1612 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1613 | if (HasCopyAndDispose) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1614 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1615 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1616 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1617 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1618 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1619 | "__copy_helper", DefUnit, |
| 1620 | 0, FieldSize, FieldAlign, |
| 1621 | FieldOffset, 0, FieldTy); |
| 1622 | EltTys.push_back(FieldTy); |
| 1623 | FieldOffset += FieldSize; |
| 1624 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1625 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1626 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1627 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1628 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1629 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1630 | "__destroy_helper", DefUnit, |
| 1631 | 0, FieldSize, FieldAlign, |
| 1632 | FieldOffset, 0, FieldTy); |
| 1633 | EltTys.push_back(FieldTy); |
| 1634 | FieldOffset += FieldSize; |
| 1635 | } |
| 1636 | |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1637 | CharUnits Align = CGM.getContext().getDeclAlign(Decl); |
| 1638 | if (Align > CharUnits::fromQuantity( |
| 1639 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1640 | unsigned AlignedOffsetInBytes |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1641 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1642 | unsigned NumPaddingBytes |
| 1643 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1644 | |
| 1645 | if (NumPaddingBytes > 0) { |
| 1646 | llvm::APInt pad(32, NumPaddingBytes); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1647 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1648 | pad, ArrayType::Normal, 0); |
| 1649 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1650 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1651 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1652 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1653 | Unit, "", DefUnit, |
| 1654 | 0, FieldSize, FieldAlign, |
| 1655 | FieldOffset, 0, FieldTy); |
| 1656 | EltTys.push_back(FieldTy); |
| 1657 | FieldOffset += FieldSize; |
| 1658 | } |
| 1659 | } |
| 1660 | |
| 1661 | FType = Type; |
| 1662 | FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1663 | FieldSize = CGM.getContext().getTypeSize(FType); |
Ken Dyck | 8b752f1 | 2010-01-27 17:10:57 +0000 | [diff] [blame] | 1664 | FieldAlign = Align.getQuantity()*8; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1665 | |
| 1666 | XOffset = FieldOffset; |
| 1667 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1668 | Decl->getName(), DefUnit, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1669 | 0, FieldSize, FieldAlign, |
| 1670 | FieldOffset, 0, FieldTy); |
| 1671 | EltTys.push_back(FieldTy); |
| 1672 | FieldOffset += FieldSize; |
| 1673 | |
| 1674 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1675 | |
| 1676 | unsigned Flags = llvm::DIType::FlagBlockByrefStruct; |
| 1677 | |
| 1678 | Ty = DebugFactory.CreateCompositeType(Tag, Unit, "", |
| 1679 | llvm::DICompileUnit(), |
| 1680 | 0, FieldOffset, 0, 0, Flags, |
| 1681 | llvm::DIType(), Elements); |
| 1682 | } |
| 1683 | |
| 1684 | // Get location information. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1685 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1686 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1687 | unsigned Line = 0; |
| 1688 | if (!PLoc.isInvalid()) |
| 1689 | Line = PLoc.getLine(); |
| 1690 | else |
| 1691 | Unit = llvm::DICompileUnit(); |
| 1692 | |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1693 | CharUnits offset = CGF->BlockDecls[Decl]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1694 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1695 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1696 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1697 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1698 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1699 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1700 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1701 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1702 | // offset of __forwarding field |
| 1703 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1704 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1705 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1706 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1707 | // offset of x field |
| 1708 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1709 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1710 | } |
| 1711 | |
| 1712 | // Create the descriptor for the variable. |
| 1713 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1714 | DebugFactory.CreateComplexVariable(Tag, |
| 1715 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1716 | Decl->getName(), Unit, Line, Ty, |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1717 | addr); |
| 1718 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1719 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1720 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1721 | |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1722 | llvm::DIScope DS(RegionStack.back()); |
Devang Patel | 23908b8 | 2009-11-12 18:21:39 +0000 | [diff] [blame] | 1723 | llvm::DILocation DO(NULL); |
| 1724 | llvm::DILocation DL = |
| 1725 | DebugFactory.CreateLocation(Line, PLoc.getColumn(), DS, DO); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1726 | |
Chris Lattner | 23e92c0 | 2009-12-28 23:41:39 +0000 | [diff] [blame] | 1727 | Call->setMetadata("dbg", DL.getNode()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1728 | } |
| 1729 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1730 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *Decl, |
| 1731 | llvm::Value *Storage, |
| 1732 | CGBuilderTy &Builder) { |
| 1733 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
| 1734 | } |
| 1735 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1736 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1737 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1738 | CodeGenFunction *CGF) { |
| 1739 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1740 | } |
| 1741 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1742 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1743 | /// variable declaration. |
| 1744 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI, |
| 1745 | CGBuilderTy &Builder) { |
| 1746 | EmitDeclare(Decl, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
| 1747 | } |
| 1748 | |
| 1749 | |
| 1750 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1751 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1752 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1753 | const VarDecl *D) { |
| 1754 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1755 | // Create global variable debug descriptor. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1756 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(D->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1757 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1758 | PresumedLoc PLoc = SM.getPresumedLoc(D->getLocation()); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1759 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1760 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1761 | QualType T = D->getType(); |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1762 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1763 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1764 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1765 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1766 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1767 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1768 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1769 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1770 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1771 | ArrayType::Normal, 0); |
| 1772 | } |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1773 | llvm::StringRef DeclName = D->getName(); |
| 1774 | llvm::DIDescriptor DContext = |
| 1775 | getContextDescriptor(dyn_cast<Decl>(D->getDeclContext()), Unit); |
| 1776 | DebugFactory.CreateGlobalVariable(DContext, DeclName, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 1777 | DeclName, llvm::StringRef(), Unit, LineNo, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1778 | getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1779 | Var->hasInternalLinkage(), |
| 1780 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1781 | } |
| 1782 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1783 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1784 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1785 | ObjCInterfaceDecl *Decl) { |
| 1786 | // Create global variable debug descriptor. |
| 1787 | llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation()); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1788 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 4f6fa23 | 2009-04-17 21:35:15 +0000 | [diff] [blame] | 1789 | PresumedLoc PLoc = SM.getPresumedLoc(Decl->getLocation()); |
| 1790 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1791 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1792 | llvm::StringRef Name = Decl->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1793 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1794 | QualType T = CGM.getContext().getObjCInterfaceType(Decl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1795 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1796 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1797 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1798 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1799 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1800 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1801 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1802 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1803 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1804 | ArrayType::Normal, 0); |
| 1805 | } |
| 1806 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1807 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1808 | getOrCreateType(T, Unit), |
| 1809 | Var->hasInternalLinkage(), |
| 1810 | true/*definition*/, Var); |
| 1811 | } |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1812 | |
| 1813 | /// getOrCreateNamesSpace - Return namespace descriptor for the given |
| 1814 | /// namespace decl. |
| 1815 | llvm::DINameSpace |
| 1816 | CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl, |
| 1817 | llvm::DIDescriptor Unit) { |
| 1818 | llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I = |
| 1819 | NameSpaceCache.find(NSDecl); |
| 1820 | if (I != NameSpaceCache.end()) |
| 1821 | return llvm::DINameSpace(cast<llvm::MDNode>(I->second)); |
| 1822 | |
| 1823 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1824 | PresumedLoc PLoc = SM.getPresumedLoc(NSDecl->getLocation()); |
| 1825 | unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine(); |
| 1826 | |
| 1827 | llvm::DIDescriptor Context = |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1828 | getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()), Unit); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1829 | llvm::DINameSpace NS = |
| 1830 | DebugFactory.CreateNameSpace(Context, NSDecl->getName(), |
| 1831 | llvm::DICompileUnit(Unit.getNode()), LineNo); |
| 1832 | NameSpaceCache[NSDecl] = llvm::WeakVH(NS.getNode()); |
| 1833 | return NS; |
| 1834 | } |