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 | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 18 | #include "clang/AST/DeclFriend.h" |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 19 | #include "clang/AST/DeclObjC.h" |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 20 | #include "clang/AST/DeclTemplate.h" |
Chris Lattner | 3cc5c40 | 2008-11-11 07:01:36 +0000 | [diff] [blame] | 21 | #include "clang/AST/Expr.h" |
Anders Carlsson | 19cc4ab | 2009-07-18 19:43:29 +0000 | [diff] [blame] | 22 | #include "clang/AST/RecordLayout.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 23 | #include "clang/Basic/SourceManager.h" |
| 24 | #include "clang/Basic/FileManager.h" |
Mike Stump | 5a86217 | 2009-09-15 21:48:34 +0000 | [diff] [blame] | 25 | #include "clang/Basic/Version.h" |
Chandler Carruth | 06057ce | 2010-06-15 23:19:56 +0000 | [diff] [blame] | 26 | #include "clang/Frontend/CodeGenOptions.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 27 | #include "llvm/Constants.h" |
| 28 | #include "llvm/DerivedTypes.h" |
| 29 | #include "llvm/Instructions.h" |
| 30 | #include "llvm/Intrinsics.h" |
| 31 | #include "llvm/Module.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 32 | #include "llvm/ADT/StringExtras.h" |
| 33 | #include "llvm/ADT/SmallVector.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 34 | #include "llvm/Support/Dwarf.h" |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 35 | #include "llvm/System/Path.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 36 | #include "llvm/Target/TargetMachine.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 37 | using namespace clang; |
| 38 | using namespace clang::CodeGen; |
| 39 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 40 | CGDebugInfo::CGDebugInfo(CodeGenModule &CGM) |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 41 | : CGM(CGM), DebugFactory(CGM.getModule()), |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 42 | BlockLiteralGenericSet(false) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 43 | CreateCompileUnit(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 44 | } |
| 45 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 46 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 47 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 48 | } |
| 49 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 50 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 51 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 52 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 53 | } |
| 54 | |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 55 | /// getContextDescriptor - Get context info for the decl. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 56 | llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *Context, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 57 | llvm::DIDescriptor &CompileUnit) { |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 58 | if (!Context) |
| 59 | return CompileUnit; |
| 60 | |
| 61 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator |
| 62 | I = RegionMap.find(Context); |
| 63 | if (I != RegionMap.end()) |
Gabor Greif | 38c9b17 | 2010-09-18 13:00:17 +0000 | [diff] [blame] | 64 | return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(&*I->second)); |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 65 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 66 | // Check namespace. |
| 67 | if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context)) |
| 68 | return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit)); |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 69 | |
| 70 | if (const RecordDecl *RDecl = dyn_cast<RecordDecl>(Context)) { |
| 71 | if (!RDecl->isDependentType()) { |
| 72 | llvm::DIType Ty = getOrCreateType(CGM.getContext().getTypeDeclType(RDecl), |
| 73 | llvm::DIFile(CompileUnit)); |
| 74 | return llvm::DIDescriptor(Ty); |
| 75 | } |
| 76 | } |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 77 | return CompileUnit; |
| 78 | } |
| 79 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 80 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 81 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 82 | /// is stored on the side. |
| 83 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 84 | assert (FD && "Invalid FunctionDecl!"); |
| 85 | IdentifierInfo *FII = FD->getIdentifier(); |
| 86 | if (FII) |
| 87 | return FII->getName(); |
| 88 | |
| 89 | // Otherwise construct human readable name for debug info. |
| 90 | std::string NS = FD->getNameAsString(); |
| 91 | |
| 92 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 93 | char *StrPtr = DebugInfoNames.Allocate<char>(NS.length()); |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 94 | memcpy(StrPtr, NS.data(), NS.length()); |
| 95 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 96 | } |
| 97 | |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 98 | llvm::StringRef CGDebugInfo::getObjCMethodName(const ObjCMethodDecl *OMD) { |
| 99 | llvm::SmallString<256> MethodName; |
| 100 | llvm::raw_svector_ostream OS(MethodName); |
| 101 | OS << (OMD->isInstanceMethod() ? '-' : '+') << '['; |
| 102 | const DeclContext *DC = OMD->getDeclContext(); |
| 103 | if (const ObjCImplementationDecl *OID = dyn_cast<const ObjCImplementationDecl>(DC)) { |
| 104 | OS << OID->getName(); |
Fariborz Jahanian | 1a4c937 | 2010-10-18 17:51:06 +0000 | [diff] [blame^] | 105 | } else if (const ObjCInterfaceDecl *OID = dyn_cast<const ObjCInterfaceDecl>(DC)) { |
| 106 | OS << OID->getName(); |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 107 | } else if (const ObjCCategoryImplDecl *OCD = dyn_cast<const ObjCCategoryImplDecl>(DC)){ |
| 108 | OS << ((NamedDecl *)OCD)->getIdentifier()->getNameStart() << '(' << |
| 109 | OCD->getIdentifier()->getNameStart() << ')'; |
| 110 | } |
| 111 | OS << ' ' << OMD->getSelector().getAsString() << ']'; |
| 112 | |
| 113 | char *StrPtr = DebugInfoNames.Allocate<char>(OS.tell()); |
| 114 | memcpy(StrPtr, MethodName.begin(), OS.tell()); |
| 115 | return llvm::StringRef(StrPtr, OS.tell()); |
| 116 | } |
| 117 | |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 118 | /// getClassName - Get class name including template argument list. |
| 119 | llvm::StringRef |
| 120 | CGDebugInfo::getClassName(RecordDecl *RD) { |
| 121 | ClassTemplateSpecializationDecl *Spec |
| 122 | = dyn_cast<ClassTemplateSpecializationDecl>(RD); |
| 123 | if (!Spec) |
| 124 | return RD->getName(); |
| 125 | |
| 126 | const TemplateArgument *Args; |
| 127 | unsigned NumArgs; |
| 128 | std::string Buffer; |
| 129 | if (TypeSourceInfo *TAW = Spec->getTypeAsWritten()) { |
| 130 | const TemplateSpecializationType *TST = |
| 131 | cast<TemplateSpecializationType>(TAW->getType()); |
| 132 | Args = TST->getArgs(); |
| 133 | NumArgs = TST->getNumArgs(); |
| 134 | } else { |
| 135 | const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); |
| 136 | Args = TemplateArgs.getFlatArgumentList(); |
| 137 | NumArgs = TemplateArgs.flat_size(); |
| 138 | } |
| 139 | Buffer = RD->getIdentifier()->getNameStart(); |
| 140 | PrintingPolicy Policy(CGM.getLangOptions()); |
| 141 | Buffer += TemplateSpecializationType::PrintTemplateArgumentList(Args, |
| 142 | NumArgs, |
| 143 | Policy); |
| 144 | |
| 145 | // Copy this name on the side and use its reference. |
| 146 | char *StrPtr = DebugInfoNames.Allocate<char>(Buffer.length()); |
| 147 | memcpy(StrPtr, Buffer.data(), Buffer.length()); |
| 148 | return llvm::StringRef(StrPtr, Buffer.length()); |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 149 | } |
| 150 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 151 | /// getOrCreateFile - Get the file debug info descriptor for the input location. |
| 152 | llvm::DIFile CGDebugInfo::getOrCreateFile(SourceLocation Loc) { |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 153 | if (!Loc.isValid()) |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 154 | // If Location is not valid then use main input file. |
| 155 | return DebugFactory.CreateFile(TheCU.getFilename(), TheCU.getDirectory(), |
| 156 | TheCU); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 157 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 158 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 159 | |
| 160 | // Cache the results. |
| 161 | const char *fname = PLoc.getFilename(); |
| 162 | llvm::DenseMap<const char *, llvm::WeakVH>::iterator it = |
| 163 | DIFileCache.find(fname); |
| 164 | |
| 165 | if (it != DIFileCache.end()) { |
| 166 | // Verify that the information still exists. |
| 167 | if (&*it->second) |
| 168 | return llvm::DIFile(cast<llvm::MDNode>(it->second)); |
| 169 | } |
| 170 | |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 171 | llvm::DIFile F = DebugFactory.CreateFile(PLoc.getFilename(), |
| 172 | getCurrentDirname(), TheCU); |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 173 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 174 | DIFileCache[fname] = F; |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 175 | return F; |
| 176 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 177 | } |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 178 | |
| 179 | /// getLineNumber - Get line number for the location. If location is invalid |
| 180 | /// then use current location. |
| 181 | unsigned CGDebugInfo::getLineNumber(SourceLocation Loc) { |
| 182 | assert (CurLoc.isValid() && "Invalid current location!"); |
| 183 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 184 | PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); |
| 185 | return PLoc.getLine(); |
| 186 | } |
| 187 | |
| 188 | /// getColumnNumber - Get column number for the location. If location is |
| 189 | /// invalid then use current location. |
| 190 | unsigned CGDebugInfo::getColumnNumber(SourceLocation Loc) { |
| 191 | assert (CurLoc.isValid() && "Invalid current location!"); |
| 192 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 193 | PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); |
| 194 | return PLoc.getColumn(); |
| 195 | } |
| 196 | |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 197 | llvm::StringRef CGDebugInfo::getCurrentDirname() { |
| 198 | if (!CWDName.empty()) |
| 199 | return CWDName; |
| 200 | char *CompDirnamePtr = NULL; |
| 201 | llvm::sys::Path CWD = llvm::sys::Path::GetCurrentDirectory(); |
| 202 | CompDirnamePtr = DebugInfoNames.Allocate<char>(CWD.size()); |
| 203 | memcpy(CompDirnamePtr, CWD.c_str(), CWD.size()); |
| 204 | return CWDName = llvm::StringRef(CompDirnamePtr, CWD.size()); |
| 205 | } |
| 206 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 207 | /// CreateCompileUnit - Create new compile unit. |
| 208 | void CGDebugInfo::CreateCompileUnit() { |
| 209 | |
| 210 | // Get absolute path name. |
Douglas Gregor | ac91b4c | 2010-03-18 23:46:43 +0000 | [diff] [blame] | 211 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 212 | std::string MainFileName = CGM.getCodeGenOpts().MainFileName; |
| 213 | if (MainFileName.empty()) |
Devang Patel | 22fe585 | 2010-03-12 21:04:27 +0000 | [diff] [blame] | 214 | MainFileName = "<unknown>"; |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 215 | |
Douglas Gregor | f6728fc | 2010-03-22 21:28:29 +0000 | [diff] [blame] | 216 | // The main file name provided via the "-main-file-name" option contains just |
| 217 | // the file name itself with no path information. This file name may have had |
| 218 | // a relative path, so we look into the actual file entry for the main |
| 219 | // file to determine the real absolute path for the file. |
Devang Patel | 6e6bc39 | 2010-07-23 23:04:28 +0000 | [diff] [blame] | 220 | std::string MainFileDir; |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 221 | if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) { |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 222 | MainFileDir = MainFile->getDir()->getName(); |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 223 | if (MainFileDir != ".") |
| 224 | MainFileName = MainFileDir + "/" + MainFileName; |
| 225 | } |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 226 | |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 227 | // Save filename string. |
| 228 | char *FilenamePtr = DebugInfoNames.Allocate<char>(MainFileName.length()); |
| 229 | memcpy(FilenamePtr, MainFileName.c_str(), MainFileName.length()); |
| 230 | llvm::StringRef Filename(FilenamePtr, MainFileName.length()); |
| 231 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 232 | unsigned LangTag; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 233 | const LangOptions &LO = CGM.getLangOptions(); |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 234 | if (LO.CPlusPlus) { |
| 235 | if (LO.ObjC1) |
| 236 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 237 | else |
| 238 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 239 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 240 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 241 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 242 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 243 | } else { |
| 244 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 245 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 246 | |
Daniel Dunbar | 19f1983 | 2010-08-24 17:41:09 +0000 | [diff] [blame] | 247 | std::string Producer = getClangFullVersion(); |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 248 | |
| 249 | // Figure out which version of the ObjC runtime we have. |
| 250 | unsigned RuntimeVers = 0; |
| 251 | if (LO.ObjC1) |
| 252 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 253 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 254 | // Create new compile unit. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 255 | TheCU = DebugFactory.CreateCompileUnit( |
Devang Patel | 5811500 | 2010-07-27 20:49:59 +0000 | [diff] [blame] | 256 | LangTag, Filename, getCurrentDirname(), |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 257 | Producer, true, |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 258 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 259 | } |
| 260 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 261 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 262 | /// one if necessary. |
| 263 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 264 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 265 | unsigned Encoding = 0; |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 266 | const char *BTName = NULL; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 267 | switch (BT->getKind()) { |
| 268 | default: |
| 269 | case BuiltinType::Void: |
| 270 | return llvm::DIType(); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 271 | case BuiltinType::ObjCClass: |
Devang Patel | eaf5ee9 | 2010-07-21 22:41:25 +0000 | [diff] [blame] | 272 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 273 | Unit, "objc_class", Unit, 0, 0, 0, 0, |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 274 | llvm::DIDescriptor::FlagFwdDecl, |
Devang Patel | eaf5ee9 | 2010-07-21 22:41:25 +0000 | [diff] [blame] | 275 | llvm::DIType(), llvm::DIArray()); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 276 | case BuiltinType::ObjCId: { |
| 277 | // typedef struct objc_class *Class; |
| 278 | // typedef struct objc_object { |
| 279 | // Class isa; |
| 280 | // } *id; |
| 281 | |
| 282 | llvm::DIType OCTy = |
| 283 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 284 | Unit, "objc_class", Unit, 0, 0, 0, 0, |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 285 | llvm::DIDescriptor::FlagFwdDecl, |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 286 | llvm::DIType(), llvm::DIArray()); |
| 287 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 288 | |
| 289 | llvm::DIType ISATy = |
| 290 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 291 | Unit, "", Unit, |
| 292 | 0, Size, 0, 0, 0, OCTy); |
| 293 | |
| 294 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 295 | |
| 296 | llvm::DIType FieldTy = |
| 297 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 298 | "isa", Unit, |
| 299 | 0,Size, 0, 0, 0, ISATy); |
| 300 | EltTys.push_back(FieldTy); |
| 301 | llvm::DIArray Elements = |
| 302 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 303 | |
| 304 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 305 | Unit, "objc_object", Unit, 0, 0, 0, 0, |
| 306 | 0, |
| 307 | llvm::DIType(), Elements); |
| 308 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 309 | case BuiltinType::UChar: |
| 310 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 311 | case BuiltinType::Char_S: |
| 312 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 313 | case BuiltinType::UShort: |
| 314 | case BuiltinType::UInt: |
| 315 | case BuiltinType::ULong: |
| 316 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 317 | case BuiltinType::Short: |
| 318 | case BuiltinType::Int: |
| 319 | case BuiltinType::Long: |
| 320 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 321 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 322 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 323 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 324 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 325 | } |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 326 | |
| 327 | switch (BT->getKind()) { |
| 328 | case BuiltinType::Long: BTName = "long int"; break; |
| 329 | case BuiltinType::LongLong: BTName = "long long int"; break; |
| 330 | case BuiltinType::ULong: BTName = "long unsigned int"; break; |
| 331 | case BuiltinType::ULongLong: BTName = "long long unsigned int"; break; |
| 332 | default: |
| 333 | BTName = BT->getName(CGM.getContext().getLangOptions()); |
| 334 | break; |
| 335 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 336 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 337 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 338 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 339 | uint64_t Offset = 0; |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 340 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 341 | llvm::DIType DbgTy = |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 342 | DebugFactory.CreateBasicType(Unit, BTName, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 343 | Unit, 0, Size, Align, |
| 344 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 345 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 346 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 347 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 348 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 349 | llvm::DIFile Unit) { |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 350 | // Bit size, align and offset of the type. |
| 351 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 352 | if (Ty->isComplexIntegerType()) |
| 353 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 354 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 355 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 356 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 357 | uint64_t Offset = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 358 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 359 | llvm::DIType DbgTy = |
| 360 | DebugFactory.CreateBasicType(Unit, "complex", |
| 361 | Unit, 0, Size, Align, |
| 362 | Offset, /*flags*/ 0, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 363 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 364 | } |
| 365 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 366 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 367 | /// a new one if necessary. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 368 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 369 | QualifierCollector Qc; |
| 370 | const Type *T = Qc.strip(Ty); |
| 371 | |
| 372 | // Ignore these qualifiers for now. |
| 373 | Qc.removeObjCGCAttr(); |
| 374 | Qc.removeAddressSpace(); |
| 375 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 376 | // We will create one Derived type for one qualifier and recurse to handle any |
| 377 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 378 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 379 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 380 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 381 | Qc.removeConst(); |
| 382 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 383 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 384 | Qc.removeVolatile(); |
| 385 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 386 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 387 | Qc.removeRestrict(); |
| 388 | } else { |
| 389 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 390 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 391 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 392 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 393 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 394 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 395 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 396 | // CVR derived types. |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 397 | llvm::DIType DbgTy = |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 398 | DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 399 | 0, 0, 0, 0, 0, FromTy); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 400 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 401 | } |
| 402 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 403 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 404 | llvm::DIFile Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 405 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 406 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 407 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 408 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 411 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 412 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 413 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 414 | Ty->getPointeeType(), Unit); |
| 415 | } |
| 416 | |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 417 | /// CreatePointeeType - Create PointTee type. If Pointee is a record |
| 418 | /// then emit record's fwd if debug info size reduction is enabled. |
| 419 | llvm::DIType CGDebugInfo::CreatePointeeType(QualType PointeeTy, |
| 420 | llvm::DIFile Unit) { |
| 421 | if (!CGM.getCodeGenOpts().LimitDebugInfo) |
| 422 | return getOrCreateType(PointeeTy, Unit); |
| 423 | |
| 424 | if (const RecordType *RTy = dyn_cast<RecordType>(PointeeTy)) { |
| 425 | RecordDecl *RD = RTy->getDecl(); |
| 426 | unsigned RTag; |
| 427 | if (RD->isStruct()) |
| 428 | RTag = llvm::dwarf::DW_TAG_structure_type; |
| 429 | else if (RD->isUnion()) |
| 430 | RTag = llvm::dwarf::DW_TAG_union_type; |
| 431 | else { |
| 432 | assert(RD->isClass() && "Unknown RecordType!"); |
| 433 | RTag = llvm::dwarf::DW_TAG_class_type; |
| 434 | } |
| 435 | |
| 436 | llvm::DIFile DefUnit = getOrCreateFile(RD->getLocation()); |
| 437 | unsigned Line = getLineNumber(RD->getLocation()); |
| 438 | llvm::DIDescriptor FDContext = |
| 439 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
| 440 | |
| 441 | return |
| 442 | DebugFactory.CreateCompositeType(RTag, FDContext, RD->getName(), |
| 443 | DefUnit, Line, 0, 0, 0, |
| 444 | llvm::DIType::FlagFwdDecl, |
| 445 | llvm::DIType(), llvm::DIArray()); |
| 446 | } |
| 447 | return getOrCreateType(PointeeTy, Unit); |
| 448 | |
| 449 | } |
| 450 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 451 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 452 | const Type *Ty, |
| 453 | QualType PointeeTy, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 454 | llvm::DIFile Unit) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 455 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 456 | |
| 457 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 458 | // because that does not return the correct value for references. |
| 459 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 460 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 461 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 462 | |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 463 | return DebugFactory.CreateDerivedType(Tag, Unit, "", Unit, |
| 464 | 0, Size, Align, 0, 0, |
| 465 | CreatePointeeType(PointeeTy, Unit)); |
| 466 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 467 | } |
| 468 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 469 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 470 | llvm::DIFile Unit) { |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 471 | if (BlockLiteralGenericSet) |
| 472 | return BlockLiteralGeneric; |
| 473 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 474 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
| 475 | |
| 476 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 477 | |
| 478 | llvm::DIType FieldTy; |
| 479 | |
| 480 | QualType FType; |
| 481 | uint64_t FieldSize, FieldOffset; |
| 482 | unsigned FieldAlign; |
| 483 | |
| 484 | llvm::DIArray Elements; |
| 485 | llvm::DIType EltTy, DescTy; |
| 486 | |
| 487 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 488 | FType = CGM.getContext().UnsignedLongTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 489 | EltTys.push_back(CreateMemberType(Unit, FType, "reserved", &FieldOffset)); |
| 490 | EltTys.push_back(CreateMemberType(Unit, FType, "Size", &FieldOffset)); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 491 | |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 492 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 493 | EltTys.clear(); |
| 494 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 495 | unsigned Flags = llvm::DIDescriptor::FlagAppleBlock; |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 496 | unsigned LineNo = getLineNumber(CurLoc); |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 497 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 498 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_descriptor", |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 499 | Unit, LineNo, FieldOffset, 0, 0, |
| 500 | Flags, llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 501 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 502 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 503 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 504 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 505 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 506 | DescTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 507 | Unit, "", Unit, |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 508 | LineNo, Size, Align, 0, 0, EltTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 509 | |
| 510 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 511 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 512 | EltTys.push_back(CreateMemberType(Unit, FType, "__isa", &FieldOffset)); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 513 | FType = CGM.getContext().IntTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 514 | EltTys.push_back(CreateMemberType(Unit, FType, "__flags", &FieldOffset)); |
| 515 | EltTys.push_back(CreateMemberType(Unit, FType, "__reserved", &FieldOffset)); |
Benjamin Kramer | d3651cc | 2010-04-24 20:26:20 +0000 | [diff] [blame] | 516 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 517 | EltTys.push_back(CreateMemberType(Unit, FType, "__FuncPtr", &FieldOffset)); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 518 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 519 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 520 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 521 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 522 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 523 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 524 | "__descriptor", Unit, |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 525 | LineNo, FieldSize, FieldAlign, |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 526 | FieldOffset, 0, FieldTy); |
| 527 | EltTys.push_back(FieldTy); |
| 528 | |
| 529 | FieldOffset += FieldSize; |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 530 | Elements = DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 531 | |
| 532 | EltTy = DebugFactory.CreateCompositeType(Tag, Unit, "__block_literal_generic", |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 533 | Unit, LineNo, FieldOffset, 0, 0, |
| 534 | Flags, llvm::DIType(), Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 535 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 536 | BlockLiteralGenericSet = true; |
| 537 | BlockLiteralGeneric |
| 538 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 539 | "", Unit, |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 540 | LineNo, Size, Align, 0, 0, EltTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 541 | return BlockLiteralGeneric; |
| 542 | } |
| 543 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 544 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 545 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 546 | // Typedefs are derived from some other type. If we have a typedef of a |
| 547 | // typedef, make sure to emit the whole chain. |
| 548 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 549 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 550 | // We don't set size information, but do specify where the typedef was |
| 551 | // declared. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 552 | unsigned Line = getLineNumber(Ty->getDecl()->getLocation()); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 553 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 554 | llvm::DIDescriptor TyContext |
| 555 | = getContextDescriptor(dyn_cast<Decl>(Ty->getDecl()->getDeclContext()), |
| 556 | Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 557 | llvm::DIType DbgTy = |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 558 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_typedef, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 559 | TyContext, |
Devang Patel | d528905 | 2010-01-29 22:29:31 +0000 | [diff] [blame] | 560 | Ty->getDecl()->getName(), Unit, |
| 561 | Line, 0, 0, 0, 0, Src); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 562 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 563 | } |
| 564 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 565 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 566 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 567 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 568 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 569 | // Add the result type at least. |
| 570 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 571 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 572 | // Set up remainder of arguments if there is a prototype. |
| 573 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Devang Patel | af164bb | 2010-10-06 20:51:45 +0000 | [diff] [blame] | 574 | if (isa<FunctionNoProtoType>(Ty)) |
| 575 | EltTys.push_back(DebugFactory.CreateUnspecifiedParameter()); |
| 576 | else if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 577 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 578 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 579 | } |
| 580 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 581 | llvm::DIArray EltTypeArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 582 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 583 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 584 | llvm::DIType DbgTy = |
| 585 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 586 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 587 | 0, 0, 0, 0, 0, |
| 588 | llvm::DIType(), EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 589 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 590 | } |
| 591 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 592 | /// CollectRecordFields - A helper function to collect debug info for |
| 593 | /// record fields. This is used while creating debug info entry for a Record. |
| 594 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 595 | CollectRecordFields(const RecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 596 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
| 597 | unsigned FieldNo = 0; |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 598 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 599 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 600 | E = RD->field_end(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 601 | I != E; ++I, ++FieldNo) { |
| 602 | FieldDecl *Field = *I; |
| 603 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 604 | llvm::StringRef FieldName = Field->getName(); |
| 605 | |
Devang Patel | 4835fdd | 2010-02-12 01:31:06 +0000 | [diff] [blame] | 606 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 607 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 608 | continue; |
| 609 | |
| 610 | // Get the location for the field. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 611 | llvm::DIFile FieldDefUnit = getOrCreateFile(Field->getLocation()); |
| 612 | unsigned FieldLine = getLineNumber(Field->getLocation()); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 613 | QualType FType = Field->getType(); |
| 614 | uint64_t FieldSize = 0; |
| 615 | unsigned FieldAlign = 0; |
| 616 | if (!FType->isIncompleteArrayType()) { |
| 617 | |
| 618 | // Bit size, align and offset of the type. |
| 619 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 620 | Expr *BitWidth = Field->getBitWidth(); |
| 621 | if (BitWidth) |
| 622 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 623 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 624 | } |
| 625 | |
| 626 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 627 | |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 628 | unsigned Flags = 0; |
| 629 | AccessSpecifier Access = I->getAccess(); |
| 630 | if (Access == clang::AS_private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 631 | Flags |= llvm::DIDescriptor::FlagPrivate; |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 632 | else if (Access == clang::AS_protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 633 | Flags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 634 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 635 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 636 | // struct. FIXME: This is an absolutely insane way to capture this |
| 637 | // information. When we gut debug info, this should be fixed. |
| 638 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 639 | FieldName, FieldDefUnit, |
| 640 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 641 | FieldOffset, Flags, FieldTy); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 642 | EltTys.push_back(FieldTy); |
| 643 | } |
| 644 | } |
| 645 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 646 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 647 | /// function type is not updated to include implicit "this" pointer. Use this |
| 648 | /// routine to get a method type which includes "this" pointer. |
| 649 | llvm::DIType |
| 650 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 651 | llvm::DIFile Unit) { |
Douglas Gregor | 5f970ee | 2010-05-04 18:18:31 +0000 | [diff] [blame] | 652 | llvm::DIType FnTy |
| 653 | = getOrCreateType(QualType(Method->getType()->getAs<FunctionProtoType>(), |
| 654 | 0), |
| 655 | Unit); |
Devang Patel | d774d1e | 2010-01-28 21:43:50 +0000 | [diff] [blame] | 656 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 657 | // Add "this" pointer. |
| 658 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 659 | llvm::DIArray Args = llvm::DICompositeType(FnTy).getTypeArray(); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 660 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 661 | |
| 662 | llvm::SmallVector<llvm::DIDescriptor, 16> Elts; |
| 663 | |
| 664 | // First element is always return type. For 'void' functions it is NULL. |
| 665 | Elts.push_back(Args.getElement(0)); |
| 666 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 667 | if (!Method->isStatic()) |
| 668 | { |
| 669 | // "this" pointer is always first argument. |
| 670 | ASTContext &Context = CGM.getContext(); |
| 671 | QualType ThisPtr = |
| 672 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
| 673 | llvm::DIType ThisPtrType = |
| 674 | DebugFactory.CreateArtificialType(getOrCreateType(ThisPtr, Unit)); |
Devang Patel | 769640e | 2010-07-13 00:24:30 +0000 | [diff] [blame] | 675 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 676 | TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType; |
| 677 | Elts.push_back(ThisPtrType); |
| 678 | } |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 679 | |
| 680 | // Copy rest of the arguments. |
| 681 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 682 | Elts.push_back(Args.getElement(i)); |
| 683 | |
| 684 | llvm::DIArray EltTypeArray = |
| 685 | DebugFactory.GetOrCreateArray(Elts.data(), Elts.size()); |
| 686 | |
| 687 | return |
| 688 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 689 | Unit, "", Unit, |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 690 | 0, 0, 0, 0, 0, |
| 691 | llvm::DIType(), EltTypeArray); |
| 692 | } |
| 693 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 694 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 695 | /// a single member function GlobalDecl. |
| 696 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 697 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 698 | llvm::DIFile Unit, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 699 | llvm::DIType RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 700 | bool IsCtorOrDtor = |
| 701 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 702 | |
| 703 | llvm::StringRef MethodName = getFunctionName(Method); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 704 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 705 | |
| 706 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 707 | // make sense to give a single ctor/dtor a linkage name. |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 708 | llvm::StringRef MethodLinkageName; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 709 | if (!IsCtorOrDtor) |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 710 | MethodLinkageName = CGM.getMangledName(Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 711 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 712 | // Get the location for the method. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 713 | llvm::DIFile MethodDefUnit = getOrCreateFile(Method->getLocation()); |
| 714 | unsigned MethodLine = getLineNumber(Method->getLocation()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 715 | |
| 716 | // Collect virtual method info. |
| 717 | llvm::DIType ContainingType; |
| 718 | unsigned Virtuality = 0; |
| 719 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 720 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 721 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 722 | if (Method->isPure()) |
| 723 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 724 | else |
| 725 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 726 | |
| 727 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 728 | // since a single destructor has two entries in the vtable. |
| 729 | if (!isa<CXXDestructorDecl>(Method)) |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 730 | VIndex = CGM.getVTables().getMethodVTableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 731 | ContainingType = RecordTy; |
| 732 | } |
| 733 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 734 | unsigned Flags = 0; |
| 735 | if (Method->isImplicit()) |
| 736 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Devang Patel | 10a7a6a | 2010-09-29 21:46:16 +0000 | [diff] [blame] | 737 | AccessSpecifier Access = Method->getAccess(); |
| 738 | if (Access == clang::AS_private) |
| 739 | Flags |= llvm::DIDescriptor::FlagPrivate; |
| 740 | else if (Access == clang::AS_protected) |
| 741 | Flags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | d78a019 | 2010-10-01 23:32:17 +0000 | [diff] [blame] | 742 | if (const CXXConstructorDecl *CXXC = dyn_cast<CXXConstructorDecl>(Method)) { |
| 743 | if (CXXC->isExplicit()) |
| 744 | Flags |= llvm::DIDescriptor::FlagExplicit; |
| 745 | } else if (const CXXConversionDecl *CXXC = |
| 746 | dyn_cast<CXXConversionDecl>(Method)) { |
| 747 | if (CXXC->isExplicit()) |
| 748 | Flags |= llvm::DIDescriptor::FlagExplicit; |
| 749 | } |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 750 | if (Method->hasPrototype()) |
| 751 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | d78a019 | 2010-10-01 23:32:17 +0000 | [diff] [blame] | 752 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 753 | llvm::DISubprogram SP = |
| 754 | DebugFactory.CreateSubprogram(RecordTy , MethodName, MethodName, |
| 755 | MethodLinkageName, |
| 756 | MethodDefUnit, MethodLine, |
| 757 | MethodTy, /*isLocalToUnit=*/false, |
Devang Patel | a5c5bab | 2010-07-12 22:54:41 +0000 | [diff] [blame] | 758 | /* isDefintion=*/ false, |
Devang Patel | 4089491 | 2010-07-15 22:57:00 +0000 | [diff] [blame] | 759 | Virtuality, VIndex, ContainingType, |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 760 | Flags, |
Devang Patel | 15a3d7d | 2010-07-15 23:09:46 +0000 | [diff] [blame] | 761 | CGM.getLangOptions().Optimize); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 762 | |
| 763 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 764 | // a single ctor or dtor. |
| 765 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 766 | SPCache[Method] = llvm::WeakVH(SP); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 767 | |
| 768 | return SP; |
| 769 | } |
| 770 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 771 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 772 | /// C++ member functions.This is used while creating debug info entry for |
| 773 | /// a Record. |
| 774 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 775 | CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 776 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 777 | llvm::DIType RecordTy) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 778 | for(CXXRecordDecl::method_iterator I = RD->method_begin(), |
| 779 | E = RD->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 780 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 781 | |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 782 | if (Method->isImplicit() && !Method->isUsed()) |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 783 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 784 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 785 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 786 | } |
| 787 | } |
| 788 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 789 | /// CollectCXXFriends - A helper function to collect debug info for |
| 790 | /// C++ base classes. This is used while creating debug info entry for |
| 791 | /// a Record. |
| 792 | void CGDebugInfo:: |
| 793 | CollectCXXFriends(const CXXRecordDecl *RD, llvm::DIFile Unit, |
| 794 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
| 795 | llvm::DIType RecordTy) { |
| 796 | |
| 797 | for (CXXRecordDecl::friend_iterator BI = RD->friend_begin(), |
| 798 | BE = RD->friend_end(); BI != BE; ++BI) { |
| 799 | |
| 800 | TypeSourceInfo *TInfo = (*BI)->getFriendType(); |
| 801 | if(TInfo) |
| 802 | { |
| 803 | llvm::DIType Ty = getOrCreateType(TInfo->getType(), Unit); |
| 804 | |
| 805 | llvm::DIType DTy = |
| 806 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_friend, |
| 807 | RecordTy, llvm::StringRef(), |
| 808 | Unit, 0, 0, 0, |
| 809 | 0, 0, Ty); |
| 810 | |
| 811 | EltTys.push_back(DTy); |
| 812 | } |
| 813 | |
| 814 | } |
| 815 | } |
| 816 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 817 | /// CollectCXXBases - A helper function to collect debug info for |
| 818 | /// C++ base classes. This is used while creating debug info entry for |
| 819 | /// a Record. |
| 820 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 821 | CollectCXXBases(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 822 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 823 | llvm::DIType RecordTy) { |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 824 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 825 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 826 | for (CXXRecordDecl::base_class_const_iterator BI = RD->bases_begin(), |
| 827 | BE = RD->bases_end(); BI != BE; ++BI) { |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 828 | unsigned BFlags = 0; |
| 829 | uint64_t BaseOffset; |
| 830 | |
| 831 | const CXXRecordDecl *Base = |
| 832 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 833 | |
| 834 | if (BI->isVirtual()) { |
Anders Carlsson | bba1607 | 2010-03-11 07:15:17 +0000 | [diff] [blame] | 835 | // virtual base offset offset is -ve. The code generator emits dwarf |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 836 | // expression where it expects +ve number. |
Anders Carlsson | af44035 | 2010-03-23 04:11:45 +0000 | [diff] [blame] | 837 | BaseOffset = 0 - CGM.getVTables().getVirtualBaseOffsetOffset(RD, Base); |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 838 | BFlags = llvm::DIDescriptor::FlagVirtual; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 839 | } else |
| 840 | BaseOffset = RL.getBaseClassOffset(Base); |
| 841 | |
| 842 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 843 | if (Access == clang::AS_private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 844 | BFlags |= llvm::DIDescriptor::FlagPrivate; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 845 | else if (Access == clang::AS_protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 846 | BFlags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 847 | |
| 848 | llvm::DIType DTy = |
| 849 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
| 850 | RecordTy, llvm::StringRef(), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 851 | Unit, 0, 0, 0, |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 852 | BaseOffset, BFlags, |
| 853 | getOrCreateType(BI->getType(), |
| 854 | Unit)); |
| 855 | EltTys.push_back(DTy); |
| 856 | } |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 857 | } |
| 858 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 859 | /// getOrCreateVTablePtrType - Return debug info descriptor for vtable. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 860 | llvm::DIType CGDebugInfo::getOrCreateVTablePtrType(llvm::DIFile Unit) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 861 | if (VTablePtrType.isValid()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 862 | return VTablePtrType; |
| 863 | |
| 864 | ASTContext &Context = CGM.getContext(); |
| 865 | |
| 866 | /* Function type */ |
Benjamin Kramer | ad46886 | 2010-03-30 11:36:44 +0000 | [diff] [blame] | 867 | llvm::DIDescriptor STy = getOrCreateType(Context.IntTy, Unit); |
| 868 | llvm::DIArray SElements = DebugFactory.GetOrCreateArray(&STy, 1); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 869 | llvm::DIType SubTy = |
| 870 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_subroutine_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 871 | Unit, "", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 872 | 0, 0, 0, 0, 0, llvm::DIType(), SElements); |
| 873 | |
| 874 | unsigned Size = Context.getTypeSize(Context.VoidPtrTy); |
| 875 | llvm::DIType vtbl_ptr_type |
| 876 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 877 | Unit, "__vtbl_ptr_type", Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 878 | 0, Size, 0, 0, 0, SubTy); |
| 879 | |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 880 | VTablePtrType = |
| 881 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type, |
| 882 | Unit, "", Unit, |
| 883 | 0, Size, 0, 0, 0, vtbl_ptr_type); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 884 | return VTablePtrType; |
| 885 | } |
| 886 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 887 | /// getVTableName - Get vtable name for the given Class. |
| 888 | llvm::StringRef CGDebugInfo::getVTableName(const CXXRecordDecl *RD) { |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 889 | // Otherwise construct gdb compatible name name. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 890 | std::string Name = "_vptr$" + RD->getNameAsString(); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 891 | |
| 892 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 893 | char *StrPtr = DebugInfoNames.Allocate<char>(Name.length()); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 894 | memcpy(StrPtr, Name.data(), Name.length()); |
| 895 | return llvm::StringRef(StrPtr, Name.length()); |
| 896 | } |
| 897 | |
| 898 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 899 | /// CollectVTableInfo - If the C++ class has vtable info then insert appropriate |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 900 | /// debug info entry in EltTys vector. |
| 901 | void CGDebugInfo:: |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 902 | CollectVTableInfo(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 903 | llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 904 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 905 | |
| 906 | // If there is a primary base then it will hold vtable info. |
| 907 | if (RL.getPrimaryBase()) |
| 908 | return; |
| 909 | |
| 910 | // 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] | 911 | if (!RD->isDynamicClass()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 912 | return; |
| 913 | |
| 914 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 915 | llvm::DIType VPTR |
| 916 | = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 917 | getVTableName(RD), Unit, |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 918 | 0, Size, 0, 0, 0, |
| 919 | getOrCreateVTablePtrType(Unit)); |
| 920 | EltTys.push_back(VPTR); |
| 921 | } |
| 922 | |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 923 | /// getOrCreateRecordType - Emit record type's standalone debug info. |
| 924 | llvm::DIType CGDebugInfo::getOrCreateRecordType(QualType RTy, |
| 925 | SourceLocation Loc) { |
| 926 | llvm::DIType T = getOrCreateType(RTy, getOrCreateFile(Loc)); |
| 927 | DebugFactory.RecordType(T); |
| 928 | return T; |
| 929 | } |
| 930 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 931 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 932 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 933 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 934 | RecordDecl *RD = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 935 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 936 | unsigned Tag; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 937 | if (RD->isStruct()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 938 | Tag = llvm::dwarf::DW_TAG_structure_type; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 939 | else if (RD->isUnion()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 940 | Tag = llvm::dwarf::DW_TAG_union_type; |
| 941 | else { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 942 | assert(RD->isClass() && "Unknown RecordType!"); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 943 | Tag = llvm::dwarf::DW_TAG_class_type; |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 944 | } |
| 945 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 946 | // Get overall information about the record type for the debug info. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 947 | llvm::DIFile DefUnit = getOrCreateFile(RD->getLocation()); |
| 948 | unsigned Line = getLineNumber(RD->getLocation()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 949 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 950 | // Records and classes and unions can all be recursive. To handle them, we |
| 951 | // first generate a debug descriptor for the struct as a forward declaration. |
| 952 | // Then (if it is a definition) we go through and get debug info for all of |
| 953 | // its members. Finally, we create a descriptor for the complete type (which |
| 954 | // may refer to the forward decl if the struct is recursive) and replace all |
| 955 | // uses of the forward declaration with the final definition. |
Devang Patel | 0b89799 | 2010-07-08 19:56:29 +0000 | [diff] [blame] | 956 | llvm::DIDescriptor FDContext = |
| 957 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
| 958 | |
| 959 | // If this is just a forward declaration, construct an appropriately |
| 960 | // marked node and just return it. |
| 961 | if (!RD->getDefinition()) { |
| 962 | llvm::DICompositeType FwdDecl = |
| 963 | DebugFactory.CreateCompositeType(Tag, FDContext, RD->getName(), |
| 964 | DefUnit, Line, 0, 0, 0, |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 965 | llvm::DIDescriptor::FlagFwdDecl, |
Devang Patel | 0b89799 | 2010-07-08 19:56:29 +0000 | [diff] [blame] | 966 | llvm::DIType(), llvm::DIArray()); |
| 967 | |
| 968 | return FwdDecl; |
| 969 | } |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 970 | |
Dan Gohman | 8696837 | 2010-08-20 22:39:57 +0000 | [diff] [blame] | 971 | llvm::DIType FwdDecl = DebugFactory.CreateTemporaryType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 972 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 973 | llvm::MDNode *MN = FwdDecl; |
| 974 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = MN; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 975 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 976 | // it. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 977 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl; |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 978 | // Push the struct on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 979 | RegionStack.push_back(FwdDeclNode); |
| 980 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 981 | |
| 982 | // Convert all the elements. |
| 983 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 984 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 985 | const CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(RD); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 986 | if (CXXDecl) { |
| 987 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 988 | CollectVTableInfo(CXXDecl, Unit, EltTys); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 989 | } |
Devang Patel | dabc3e9 | 2010-08-12 00:02:44 +0000 | [diff] [blame] | 990 | |
| 991 | // Collect static variables with initializers. |
| 992 | for (RecordDecl::decl_iterator I = RD->decls_begin(), E = RD->decls_end(); |
| 993 | I != E; ++I) |
| 994 | if (const VarDecl *V = dyn_cast<VarDecl>(*I)) { |
| 995 | if (const Expr *Init = V->getInit()) { |
| 996 | Expr::EvalResult Result; |
| 997 | if (Init->Evaluate(Result, CGM.getContext()) && Result.Val.isInt()) { |
| 998 | llvm::ConstantInt *CI |
| 999 | = llvm::ConstantInt::get(CGM.getLLVMContext(), Result.Val.getInt()); |
| 1000 | |
| 1001 | // Create the descriptor for static variable. |
| 1002 | llvm::DIFile VUnit = getOrCreateFile(V->getLocation()); |
| 1003 | llvm::StringRef VName = V->getName(); |
| 1004 | llvm::DIType VTy = getOrCreateType(V->getType(), VUnit); |
| 1005 | // Do not use DIGlobalVariable for enums. |
| 1006 | if (VTy.getTag() != llvm::dwarf::DW_TAG_enumeration_type) { |
| 1007 | DebugFactory.CreateGlobalVariable(FwdDecl, VName, VName, VName, VUnit, |
| 1008 | getLineNumber(V->getLocation()), |
| 1009 | VTy, true, true, CI); |
| 1010 | } |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1015 | CollectRecordFields(RD, Unit, EltTys); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1016 | llvm::MDNode *ContainingType = NULL; |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 1017 | if (CXXDecl) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1018 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 1019 | CollectCXXFriends(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1020 | |
| 1021 | // A class's primary base or the class itself contains the vtable. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1022 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 5bc794f | 2010-10-14 22:59:23 +0000 | [diff] [blame] | 1023 | if (const CXXRecordDecl *PBase = RL.getPrimaryBase()) { |
| 1024 | // Seek non virtual primary base root. |
| 1025 | while (1) { |
| 1026 | const ASTRecordLayout &BRL = CGM.getContext().getASTRecordLayout(PBase); |
| 1027 | const CXXRecordDecl *PBT = BRL.getPrimaryBase(); |
| 1028 | if (PBT && !BRL.getPrimaryBaseWasVirtual()) |
| 1029 | PBase = PBT; |
| 1030 | else |
| 1031 | break; |
| 1032 | } |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1033 | ContainingType = |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1034 | getOrCreateType(QualType(PBase->getTypeForDecl(), 0), Unit); |
Devang Patel | 5bc794f | 2010-10-14 22:59:23 +0000 | [diff] [blame] | 1035 | } |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1036 | else if (CXXDecl->isDynamicClass()) |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1037 | ContainingType = FwdDecl; |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 1038 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1039 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1040 | llvm::DIArray Elements = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 1041 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1042 | |
| 1043 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1044 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1045 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1046 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1047 | RegionStack.pop_back(); |
| 1048 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 1049 | RegionMap.find(Ty->getDecl()); |
| 1050 | if (RI != RegionMap.end()) |
| 1051 | RegionMap.erase(RI); |
| 1052 | |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 1053 | llvm::DIDescriptor RDContext = |
| 1054 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 1055 | |
| 1056 | llvm::StringRef RDName = RD->getName(); |
| 1057 | // If this is a class, include the template arguments also. |
| 1058 | if (Tag == llvm::dwarf::DW_TAG_class_type) |
| 1059 | RDName = getClassName(RD); |
| 1060 | |
Devang Patel | 0ce73f6 | 2009-07-22 18:57:00 +0000 | [diff] [blame] | 1061 | llvm::DICompositeType RealDecl = |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 1062 | DebugFactory.CreateCompositeType(Tag, RDContext, |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 1063 | RDName, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 1064 | DefUnit, Line, Size, Align, 0, 0, |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1065 | llvm::DIType(), Elements, |
| 1066 | 0, ContainingType); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1067 | |
| 1068 | // Now that we have a real decl for the struct, replace anything using the |
| 1069 | // old decl with the new one. This will recursively update the debug info. |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 1070 | llvm::DIType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1071 | RegionMap[RD] = llvm::WeakVH(RealDecl); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1072 | return RealDecl; |
| 1073 | } |
| 1074 | |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 1075 | /// CreateType - get objective-c object type. |
| 1076 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectType *Ty, |
| 1077 | llvm::DIFile Unit) { |
| 1078 | // Ignore protocols. |
| 1079 | return getOrCreateType(Ty->getBaseType(), Unit); |
| 1080 | } |
| 1081 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1082 | /// CreateType - get objective-c interface type. |
| 1083 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1084 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1085 | ObjCInterfaceDecl *ID = Ty->getDecl(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1086 | unsigned Tag = llvm::dwarf::DW_TAG_structure_type; |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1087 | |
| 1088 | // Get overall information about the record type for the debug info. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1089 | llvm::DIFile DefUnit = getOrCreateFile(ID->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1090 | unsigned Line = getLineNumber(ID->getLocation()); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1091 | unsigned RuntimeLang = TheCU.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 1092 | |
Dan Gohman | 45f7c78 | 2010-08-23 21:15:56 +0000 | [diff] [blame] | 1093 | // If this is just a forward declaration, return a special forward-declaration |
| 1094 | // debug type. |
| 1095 | if (ID->isForwardDecl()) { |
| 1096 | llvm::DICompositeType FwdDecl = |
| 1097 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), |
| 1098 | DefUnit, Line, 0, 0, 0, 0, |
| 1099 | llvm::DIType(), llvm::DIArray(), |
| 1100 | RuntimeLang); |
| 1101 | return FwdDecl; |
| 1102 | } |
| 1103 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1104 | // To handle recursive interface, we |
| 1105 | // first generate a debug descriptor for the struct as a forward declaration. |
| 1106 | // Then (if it is a definition) we go through and get debug info for all of |
| 1107 | // its members. Finally, we create a descriptor for the complete type (which |
| 1108 | // may refer to the forward decl if the struct is recursive) and replace all |
| 1109 | // uses of the forward declaration with the final definition. |
Dan Gohman | 8696837 | 2010-08-20 22:39:57 +0000 | [diff] [blame] | 1110 | llvm::DIType FwdDecl = DebugFactory.CreateTemporaryType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1111 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1112 | llvm::MDNode *MN = FwdDecl; |
| 1113 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = MN; |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1114 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 1115 | // it. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1116 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl; |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1117 | // Push the struct on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1118 | RegionStack.push_back(FwdDeclNode); |
| 1119 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1120 | |
| 1121 | // Convert all the elements. |
| 1122 | llvm::SmallVector<llvm::DIDescriptor, 16> EltTys; |
| 1123 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1124 | ObjCInterfaceDecl *SClass = ID->getSuperClass(); |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 1125 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1126 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1127 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1128 | llvm::DIType InhTag = |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 1129 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1130 | Unit, "", Unit, 0, 0, 0, |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 1131 | 0 /* offset */, 0, SClassTy); |
| 1132 | EltTys.push_back(InhTag); |
| 1133 | } |
| 1134 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1135 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1136 | |
| 1137 | unsigned FieldNo = 0; |
Fariborz Jahanian | 9747739 | 2010-10-01 00:01:53 +0000 | [diff] [blame] | 1138 | for (ObjCIvarDecl *Field = ID->all_declared_ivar_begin(); Field; |
Fariborz Jahanian | fe8fdba | 2010-10-11 23:55:47 +0000 | [diff] [blame] | 1139 | Field = Field->getNextIvar(), ++FieldNo) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1140 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 1141 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1142 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1143 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 1144 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1145 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 1146 | continue; |
| 1147 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1148 | // Get the location for the field. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1149 | llvm::DIFile FieldDefUnit = getOrCreateFile(Field->getLocation()); |
| 1150 | unsigned FieldLine = getLineNumber(Field->getLocation()); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1151 | QualType FType = Field->getType(); |
| 1152 | uint64_t FieldSize = 0; |
| 1153 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1154 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1155 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1156 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1157 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1158 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1159 | Expr *BitWidth = Field->getBitWidth(); |
| 1160 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1161 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 1162 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1163 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1164 | } |
| 1165 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1166 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 1167 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1168 | unsigned Flags = 0; |
| 1169 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1170 | Flags = llvm::DIDescriptor::FlagProtected; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1171 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1172 | Flags = llvm::DIDescriptor::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1173 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1174 | // Create a DW_TAG_member node to remember the offset of this field in the |
| 1175 | // struct. FIXME: This is an absolutely insane way to capture this |
| 1176 | // information. When we gut debug info, this should be fixed. |
| 1177 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
| 1178 | FieldName, FieldDefUnit, |
| 1179 | FieldLine, FieldSize, FieldAlign, |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1180 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1181 | EltTys.push_back(FieldTy); |
| 1182 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1183 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1184 | llvm::DIArray Elements = |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 1185 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1186 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1187 | RegionStack.pop_back(); |
| 1188 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 1189 | RegionMap.find(Ty->getDecl()); |
| 1190 | if (RI != RegionMap.end()) |
| 1191 | RegionMap.erase(RI); |
| 1192 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1193 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1194 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1195 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1196 | |
Devang Patel | 6c1fddf | 2009-07-27 18:42:03 +0000 | [diff] [blame] | 1197 | llvm::DICompositeType RealDecl = |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1198 | DebugFactory.CreateCompositeType(Tag, Unit, ID->getName(), DefUnit, |
Devang Patel | ab71ff5 | 2009-11-12 00:51:46 +0000 | [diff] [blame] | 1199 | Line, Size, Align, 0, 0, llvm::DIType(), |
| 1200 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1201 | |
| 1202 | // Now that we have a real decl for the struct, replace anything using the |
| 1203 | // old decl with the new one. This will recursively update the debug info. |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 1204 | llvm::DIType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1205 | RegionMap[ID] = llvm::WeakVH(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 1206 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1207 | return RealDecl; |
| 1208 | } |
| 1209 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1210 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1211 | llvm::DIFile Unit) { |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1212 | return CreateEnumType(Ty->getDecl(), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1213 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1217 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1218 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 1219 | return CreateType(RT, Unit); |
| 1220 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 1221 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1222 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1223 | return llvm::DIType(); |
| 1224 | } |
| 1225 | |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1226 | llvm::DIType CGDebugInfo::CreateType(const VectorType *Ty, |
Eli Friedman | a7e6845 | 2010-08-22 01:00:03 +0000 | [diff] [blame] | 1227 | llvm::DIFile Unit) { |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1228 | llvm::DIType ElementTy = getOrCreateType(Ty->getElementType(), Unit); |
| 1229 | uint64_t NumElems = Ty->getNumElements(); |
| 1230 | if (NumElems > 0) |
| 1231 | --NumElems; |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1232 | |
Benjamin Kramer | ad46886 | 2010-03-30 11:36:44 +0000 | [diff] [blame] | 1233 | llvm::DIDescriptor Subscript = DebugFactory.GetOrCreateSubrange(0, NumElems); |
| 1234 | llvm::DIArray SubscriptArray = DebugFactory.GetOrCreateArray(&Subscript, 1); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1235 | |
| 1236 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1237 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
| 1238 | |
| 1239 | return |
| 1240 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_vector_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1241 | Unit, "", Unit, |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1242 | 0, Size, Align, 0, 0, |
Eli Friedman | a7e6845 | 2010-08-22 01:00:03 +0000 | [diff] [blame] | 1243 | ElementTy, SubscriptArray); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1244 | } |
| 1245 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1246 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1247 | llvm::DIFile Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1248 | uint64_t Size; |
| 1249 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1250 | |
| 1251 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1252 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1253 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1254 | Size = 0; |
| 1255 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1256 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1257 | } else if (Ty->isIncompleteArrayType()) { |
| 1258 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1259 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1260 | } else { |
| 1261 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1262 | Size = CGM.getContext().getTypeSize(Ty); |
| 1263 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1264 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1265 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1266 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 1267 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 1268 | // obvious/recursive way? |
| 1269 | llvm::SmallVector<llvm::DIDescriptor, 8> Subscripts; |
| 1270 | QualType EltTy(Ty, 0); |
Devang Patel | cdf523c | 2010-10-06 18:30:00 +0000 | [diff] [blame] | 1271 | if (Ty->isIncompleteArrayType()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1272 | EltTy = Ty->getElementType(); |
Devang Patel | cdf523c | 2010-10-06 18:30:00 +0000 | [diff] [blame] | 1273 | else { |
| 1274 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
| 1275 | uint64_t Upper = 0; |
| 1276 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
| 1277 | if (CAT->getSize().getZExtValue()) |
| 1278 | Upper = CAT->getSize().getZExtValue() - 1; |
| 1279 | // FIXME: Verify this is right for VLAs. |
| 1280 | Subscripts.push_back(DebugFactory.GetOrCreateSubrange(0, Upper)); |
| 1281 | EltTy = Ty->getElementType(); |
| 1282 | } |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1283 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1284 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1285 | llvm::DIArray SubscriptArray = |
Daniel Dunbar | ca308df | 2009-05-26 19:40:20 +0000 | [diff] [blame] | 1286 | DebugFactory.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1287 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1288 | llvm::DIType DbgTy = |
| 1289 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_array_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1290 | Unit, "", Unit, |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1291 | 0, Size, Align, 0, 0, |
| 1292 | getOrCreateType(EltTy, Unit), |
| 1293 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1294 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1295 | } |
| 1296 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1297 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1298 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1299 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 1300 | Ty, Ty->getPointeeType(), Unit); |
| 1301 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1302 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1303 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1304 | llvm::DIFile U) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1305 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 1306 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 1307 | |
| 1308 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 1309 | // We have a data member pointer type. |
| 1310 | return PointerDiffDITy; |
| 1311 | } |
| 1312 | |
| 1313 | // We have a member function pointer type. Treat it as a struct with two |
| 1314 | // ptrdiff_t members. |
| 1315 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1316 | |
| 1317 | uint64_t FieldOffset = 0; |
| 1318 | llvm::DIDescriptor ElementTypes[2]; |
| 1319 | |
| 1320 | // FIXME: This should probably be a function type instead. |
| 1321 | ElementTypes[0] = |
| 1322 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1323 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1324 | Info.first, Info.second, FieldOffset, 0, |
| 1325 | PointerDiffDITy); |
| 1326 | FieldOffset += Info.first; |
| 1327 | |
| 1328 | ElementTypes[1] = |
| 1329 | DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, U, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1330 | "ptr", U, 0, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1331 | Info.first, Info.second, FieldOffset, 0, |
| 1332 | PointerDiffDITy); |
| 1333 | |
| 1334 | llvm::DIArray Elements = |
| 1335 | DebugFactory.GetOrCreateArray(&ElementTypes[0], |
| 1336 | llvm::array_lengthof(ElementTypes)); |
| 1337 | |
| 1338 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
| 1339 | U, llvm::StringRef("test"), |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1340 | U, 0, FieldOffset, |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1341 | 0, 0, 0, llvm::DIType(), Elements); |
| 1342 | } |
| 1343 | |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1344 | /// CreateEnumType - get enumeration type. |
| 1345 | llvm::DIType CGDebugInfo::CreateEnumType(const EnumDecl *ED, llvm::DIFile Unit){ |
| 1346 | llvm::SmallVector<llvm::DIDescriptor, 32> Enumerators; |
| 1347 | |
| 1348 | // Create DIEnumerator elements for each enumerator. |
| 1349 | for (EnumDecl::enumerator_iterator |
| 1350 | Enum = ED->enumerator_begin(), EnumEnd = ED->enumerator_end(); |
| 1351 | Enum != EnumEnd; ++Enum) { |
| 1352 | Enumerators.push_back(DebugFactory.CreateEnumerator(Enum->getName(), |
| 1353 | Enum->getInitVal().getZExtValue())); |
| 1354 | } |
| 1355 | |
| 1356 | // Return a CompositeType for the enum itself. |
| 1357 | llvm::DIArray EltArray = |
| 1358 | DebugFactory.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
| 1359 | |
| 1360 | llvm::DIFile DefUnit = getOrCreateFile(ED->getLocation()); |
| 1361 | unsigned Line = getLineNumber(ED->getLocation()); |
| 1362 | uint64_t Size = 0; |
Devang Patel | ffc52e7 | 2010-08-24 18:14:06 +0000 | [diff] [blame] | 1363 | uint64_t Align = 0; |
| 1364 | if (!ED->getTypeForDecl()->isIncompleteType()) { |
| 1365 | Size = CGM.getContext().getTypeSize(ED->getTypeForDecl()); |
| 1366 | Align = CGM.getContext().getTypeAlign(ED->getTypeForDecl()); |
| 1367 | } |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1368 | llvm::DIType DbgTy = |
| 1369 | DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_enumeration_type, |
| 1370 | Unit, ED->getName(), DefUnit, Line, |
Devang Patel | ffc52e7 | 2010-08-24 18:14:06 +0000 | [diff] [blame] | 1371 | Size, Align, 0, 0, |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1372 | llvm::DIType(), EltArray); |
| 1373 | return DbgTy; |
| 1374 | } |
| 1375 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1376 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1377 | do { |
| 1378 | QualType LastT = T; |
| 1379 | switch (T->getTypeClass()) { |
| 1380 | default: |
| 1381 | return T; |
| 1382 | case Type::TemplateSpecialization: |
| 1383 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1384 | break; |
| 1385 | case Type::TypeOfExpr: { |
| 1386 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1387 | T = Ty->getUnderlyingExpr()->getType(); |
| 1388 | break; |
| 1389 | } |
| 1390 | case Type::TypeOf: |
| 1391 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1392 | break; |
| 1393 | case Type::Decltype: |
| 1394 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1395 | break; |
Abramo Bagnara | 465d41b | 2010-05-11 21:36:43 +0000 | [diff] [blame] | 1396 | case Type::Elaborated: |
| 1397 | T = cast<ElaboratedType>(T)->getNamedType(); |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1398 | break; |
| 1399 | case Type::SubstTemplateTypeParm: |
| 1400 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1401 | break; |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1405 | if (T == LastT) |
| 1406 | return T; |
| 1407 | } while (true); |
| 1408 | |
| 1409 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1410 | } |
| 1411 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1412 | /// getOrCreateType - Get the type from the cache or create a new |
| 1413 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1414 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1415 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1416 | if (Ty.isNull()) |
| 1417 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1418 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1419 | // Unwrap the type as needed for debug information. |
| 1420 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1421 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1422 | // Check for existing entry. |
Ted Kremenek | 590838b | 2010-03-29 18:29:57 +0000 | [diff] [blame] | 1423 | llvm::DenseMap<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1424 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1425 | if (it != TypeCache.end()) { |
| 1426 | // Verify that the debug info still exists. |
| 1427 | if (&*it->second) |
| 1428 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1429 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1430 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1431 | // Otherwise create the type. |
| 1432 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1433 | |
| 1434 | // And update the type cache. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1435 | TypeCache[Ty.getAsOpaquePtr()] = Res; |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1436 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1437 | } |
| 1438 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1439 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1440 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1441 | llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1442 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1443 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1444 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1445 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1446 | const char *Diag = 0; |
| 1447 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1448 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1449 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1450 | #define TYPE(Class, Base) |
| 1451 | #define ABSTRACT_TYPE(Class, Base) |
| 1452 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1453 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1454 | #include "clang/AST/TypeNodes.def" |
| 1455 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1456 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1457 | // FIXME: Handle these. |
| 1458 | case Type::ExtVector: |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1459 | return llvm::DIType(); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1460 | |
| 1461 | case Type::Vector: |
| 1462 | return CreateType(cast<VectorType>(Ty), Unit); |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1463 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1464 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 1465 | case Type::ObjCObject: |
| 1466 | return CreateType(cast<ObjCObjectType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1467 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1468 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
| 1469 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty), Unit); |
| 1470 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1471 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1472 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1473 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1474 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1475 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1476 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1477 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1478 | case Type::FunctionProto: |
| 1479 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1480 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1481 | case Type::ConstantArray: |
| 1482 | case Type::VariableArray: |
| 1483 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1484 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1485 | |
| 1486 | case Type::LValueReference: |
| 1487 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1488 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1489 | case Type::MemberPointer: |
| 1490 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1491 | |
| 1492 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1493 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1494 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1495 | case Type::TypeOfExpr: |
| 1496 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1497 | case Type::Decltype: |
| 1498 | llvm_unreachable("type should have been unwrapped!"); |
| 1499 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1500 | |
| 1501 | case Type::RValueReference: |
| 1502 | // FIXME: Implement! |
| 1503 | Diag = "rvalue references"; |
| 1504 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1505 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1506 | |
| 1507 | assert(Diag && "Fall through without a diagnostic?"); |
| 1508 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1509 | "debug information for %0 is not yet supported"); |
| 1510 | CGM.getDiags().Report(FullSourceLoc(), DiagID) |
| 1511 | << Diag; |
| 1512 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1513 | } |
| 1514 | |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1515 | /// CreateMemberType - Create new member and increase Offset by FType's size. |
| 1516 | llvm::DIType CGDebugInfo::CreateMemberType(llvm::DIFile Unit, QualType FType, |
| 1517 | llvm::StringRef Name, |
| 1518 | uint64_t *Offset) { |
| 1519 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1520 | uint64_t FieldSize = CGM.getContext().getTypeSize(FType); |
| 1521 | unsigned FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 1522 | llvm::DIType Ty = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, |
| 1523 | Unit, Name, Unit, 0, |
| 1524 | FieldSize, FieldAlign, |
| 1525 | *Offset, 0, FieldTy); |
| 1526 | *Offset += FieldSize; |
| 1527 | return Ty; |
| 1528 | } |
| 1529 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1530 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1531 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1532 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1533 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1534 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1535 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1536 | llvm::StringRef Name; |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 1537 | llvm::StringRef LinkageName; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1538 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1539 | FnBeginRegionCount.push_back(RegionStack.size()); |
| 1540 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1541 | const Decl *D = GD.getDecl(); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1542 | unsigned Flags = 0; |
Devang Patel | 0692f83 | 2010-10-11 21:58:41 +0000 | [diff] [blame] | 1543 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
| 1544 | llvm::DIDescriptor FDContext(Unit); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1545 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1546 | // If there is a DISubprogram for this function available then use it. |
| 1547 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1548 | FI = SPCache.find(FD); |
| 1549 | if (FI != SPCache.end()) { |
Gabor Greif | 38c9b17 | 2010-09-18 13:00:17 +0000 | [diff] [blame] | 1550 | llvm::DIDescriptor SP(dyn_cast_or_null<llvm::MDNode>(&*FI->second)); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1551 | if (SP.isSubprogram() && llvm::DISubprogram(SP).isDefinition()) { |
| 1552 | llvm::MDNode *SPN = SP; |
| 1553 | RegionStack.push_back(SPN); |
| 1554 | RegionMap[D] = llvm::WeakVH(SP); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1555 | return; |
| 1556 | } |
| 1557 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1558 | Name = getFunctionName(FD); |
| 1559 | // Use mangled name as linkage name for c/c++ functions. |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 1560 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1561 | if (FD->hasPrototype()) |
| 1562 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 0692f83 | 2010-10-11 21:58:41 +0000 | [diff] [blame] | 1563 | if (const NamespaceDecl *NSDecl = |
| 1564 | dyn_cast_or_null<NamespaceDecl>(FD->getDeclContext())) |
| 1565 | FDContext = getOrCreateNameSpace(NSDecl, Unit); |
David Chisnall | 70b9b44 | 2010-09-02 17:16:32 +0000 | [diff] [blame] | 1566 | } else if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D)) { |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 1567 | Name = getObjCMethodName(OMD); |
David Chisnall | 70b9b44 | 2010-09-02 17:16:32 +0000 | [diff] [blame] | 1568 | LinkageName = Name; |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1569 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1570 | } else { |
| 1571 | // Use llvm function name as linkage name. |
| 1572 | Name = Fn->getName(); |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 1573 | LinkageName = Name; |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1574 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1575 | } |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1576 | if (!Name.empty() && Name[0] == '\01') |
| 1577 | Name = Name.substr(1); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1578 | |
Devang Patel | 970c618 | 2010-04-24 00:49:16 +0000 | [diff] [blame] | 1579 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1580 | // Usually, CurLoc points to the left bracket location of compound |
| 1581 | // statement representing function body. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1582 | unsigned LineNo = getLineNumber(CurLoc); |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1583 | if (D->isImplicit()) |
| 1584 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1585 | llvm::DISubprogram SP = |
Devang Patel | 0692f83 | 2010-10-11 21:58:41 +0000 | [diff] [blame] | 1586 | DebugFactory.CreateSubprogram(FDContext, Name, Name, LinkageName, Unit, LineNo, |
Mike Stump | 91cc815 | 2009-10-23 01:52:13 +0000 | [diff] [blame] | 1587 | getOrCreateType(FnType, Unit), |
Devang Patel | 15a3d7d | 2010-07-15 23:09:46 +0000 | [diff] [blame] | 1588 | Fn->hasInternalLinkage(), true/*definition*/, |
| 1589 | 0, 0, llvm::DIType(), |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1590 | Flags, |
Devang Patel | 15a3d7d | 2010-07-15 23:09:46 +0000 | [diff] [blame] | 1591 | CGM.getLangOptions().Optimize, Fn); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1592 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1593 | // Push function on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1594 | llvm::MDNode *SPN = SP; |
| 1595 | RegionStack.push_back(SPN); |
| 1596 | RegionMap[D] = llvm::WeakVH(SP); |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1597 | |
| 1598 | // Clear stack used to keep track of #line directives. |
| 1599 | LineDirectiveFiles.clear(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1600 | } |
| 1601 | |
| 1602 | |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1603 | void CGDebugInfo::EmitStopPoint(CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1604 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1605 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1606 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1607 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1608 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1609 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1610 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1611 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
Devang Patel | 4800ea6 | 2010-04-05 21:09:15 +0000 | [diff] [blame] | 1612 | // New Builder may not be in sync with CGDebugInfo. |
| 1613 | if (!Builder.getCurrentDebugLocation().isUnknown()) |
| 1614 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1615 | |
| 1616 | // Update last state. |
| 1617 | PrevLoc = CurLoc; |
| 1618 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1619 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1620 | Builder.SetCurrentDebugLocation(llvm::DebugLoc::get(getLineNumber(CurLoc), |
| 1621 | getColumnNumber(CurLoc), |
Chris Lattner | e541d01 | 2010-04-02 20:21:43 +0000 | [diff] [blame] | 1622 | Scope)); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1623 | } |
| 1624 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1625 | /// UpdateLineDirectiveRegion - Update region stack only if #line directive |
| 1626 | /// has introduced scope change. |
| 1627 | void CGDebugInfo::UpdateLineDirectiveRegion(CGBuilderTy &Builder) { |
| 1628 | if (CurLoc.isInvalid() || CurLoc.isMacroID() || |
| 1629 | PrevLoc.isInvalid() || PrevLoc.isMacroID()) |
| 1630 | return; |
| 1631 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1632 | PresumedLoc PCLoc = SM.getPresumedLoc(CurLoc); |
| 1633 | PresumedLoc PPLoc = SM.getPresumedLoc(PrevLoc); |
| 1634 | |
| 1635 | if (!strcmp(PPLoc.getFilename(), PCLoc.getFilename())) |
| 1636 | return; |
| 1637 | |
| 1638 | // If #line directive stack is empty then we are entering a new scope. |
| 1639 | if (LineDirectiveFiles.empty()) { |
| 1640 | EmitRegionStart(Builder); |
| 1641 | LineDirectiveFiles.push_back(PCLoc.getFilename()); |
| 1642 | return; |
| 1643 | } |
| 1644 | |
| 1645 | assert (RegionStack.size() >= LineDirectiveFiles.size() |
| 1646 | && "error handling #line regions!"); |
| 1647 | |
| 1648 | bool SeenThisFile = false; |
Devang Patel | 424a5c6 | 2010-09-15 20:50:40 +0000 | [diff] [blame] | 1649 | // Chek if current file is already seen earlier. |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1650 | for(std::vector<const char *>::iterator I = LineDirectiveFiles.begin(), |
| 1651 | E = LineDirectiveFiles.end(); I != E; ++I) |
Devang Patel | 424a5c6 | 2010-09-15 20:50:40 +0000 | [diff] [blame] | 1652 | if (!strcmp(PCLoc.getFilename(), *I)) { |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1653 | SeenThisFile = true; |
| 1654 | break; |
| 1655 | } |
| 1656 | |
| 1657 | // If #line for this file is seen earlier then pop out #line regions. |
| 1658 | if (SeenThisFile) { |
| 1659 | while (!LineDirectiveFiles.empty()) { |
| 1660 | const char *LastFile = LineDirectiveFiles.back(); |
| 1661 | RegionStack.pop_back(); |
| 1662 | LineDirectiveFiles.pop_back(); |
| 1663 | if (!strcmp(PPLoc.getFilename(), LastFile)) |
| 1664 | break; |
| 1665 | } |
| 1666 | return; |
| 1667 | } |
| 1668 | |
| 1669 | // .. otherwise insert new #line region. |
| 1670 | EmitRegionStart(Builder); |
| 1671 | LineDirectiveFiles.push_back(PCLoc.getFilename()); |
| 1672 | |
| 1673 | return; |
| 1674 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1675 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1676 | /// region - "llvm.dbg.region.start.". |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1677 | void CGDebugInfo::EmitRegionStart(CGBuilderTy &Builder) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1678 | llvm::DIDescriptor D = |
| 1679 | DebugFactory.CreateLexicalBlock(RegionStack.empty() ? |
| 1680 | llvm::DIDescriptor() : |
Devang Patel | d19429f | 2010-02-16 21:41:20 +0000 | [diff] [blame] | 1681 | llvm::DIDescriptor(RegionStack.back()), |
Stuart Hastings | 257d1d3 | 2010-07-19 23:56:31 +0000 | [diff] [blame] | 1682 | getOrCreateFile(CurLoc), |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1683 | getLineNumber(CurLoc), |
| 1684 | getColumnNumber(CurLoc)); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1685 | llvm::MDNode *DN = D; |
| 1686 | RegionStack.push_back(DN); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1687 | } |
| 1688 | |
| 1689 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1690 | /// region - "llvm.dbg.region.end." |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1691 | void CGDebugInfo::EmitRegionEnd(CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1692 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1693 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1694 | // Provide an region stop point. |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1695 | EmitStopPoint(Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1696 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1697 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1698 | } |
| 1699 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1700 | /// EmitFunctionEnd - Constructs the debug code for exiting a function. |
| 1701 | void CGDebugInfo::EmitFunctionEnd(CGBuilderTy &Builder) { |
| 1702 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1703 | unsigned RCount = FnBeginRegionCount.back(); |
| 1704 | assert(RCount <= RegionStack.size() && "Region stack mismatch"); |
| 1705 | |
| 1706 | // Pop all regions for this function. |
| 1707 | while (RegionStack.size() != RCount) |
| 1708 | EmitRegionEnd(Builder); |
| 1709 | FnBeginRegionCount.pop_back(); |
| 1710 | } |
| 1711 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1712 | // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref. |
| 1713 | // See BuildByRefType. |
| 1714 | llvm::DIType CGDebugInfo::EmitTypeForVarWithBlocksAttr(const ValueDecl *VD, |
| 1715 | uint64_t *XOffset) { |
| 1716 | |
| 1717 | llvm::SmallVector<llvm::DIDescriptor, 5> EltTys; |
| 1718 | |
| 1719 | QualType FType; |
| 1720 | uint64_t FieldSize, FieldOffset; |
| 1721 | unsigned FieldAlign; |
| 1722 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1723 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1724 | QualType Type = VD->getType(); |
| 1725 | |
| 1726 | FieldOffset = 0; |
| 1727 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1728 | EltTys.push_back(CreateMemberType(Unit, FType, "__isa", &FieldOffset)); |
| 1729 | EltTys.push_back(CreateMemberType(Unit, FType, "__forwarding", &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1730 | FType = CGM.getContext().IntTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1731 | EltTys.push_back(CreateMemberType(Unit, FType, "__flags", &FieldOffset)); |
| 1732 | EltTys.push_back(CreateMemberType(Unit, FType, "__size", &FieldOffset)); |
| 1733 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1734 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
| 1735 | if (HasCopyAndDispose) { |
| 1736 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1737 | EltTys.push_back(CreateMemberType(Unit, FType, "__copy_helper", |
| 1738 | &FieldOffset)); |
| 1739 | EltTys.push_back(CreateMemberType(Unit, FType, "__destroy_helper", |
| 1740 | &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1741 | } |
| 1742 | |
| 1743 | CharUnits Align = CGM.getContext().getDeclAlign(VD); |
| 1744 | if (Align > CharUnits::fromQuantity( |
| 1745 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
| 1746 | unsigned AlignedOffsetInBytes |
| 1747 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
| 1748 | unsigned NumPaddingBytes |
| 1749 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1750 | |
| 1751 | if (NumPaddingBytes > 0) { |
| 1752 | llvm::APInt pad(32, NumPaddingBytes); |
| 1753 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
| 1754 | pad, ArrayType::Normal, 0); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1755 | EltTys.push_back(CreateMemberType(Unit, FType, "", &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1756 | } |
| 1757 | } |
| 1758 | |
| 1759 | FType = Type; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1760 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1761 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1762 | FieldAlign = Align.getQuantity()*8; |
| 1763 | |
| 1764 | *XOffset = FieldOffset; |
| 1765 | FieldTy = DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_member, Unit, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1766 | VD->getName(), Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1767 | 0, FieldSize, FieldAlign, |
| 1768 | FieldOffset, 0, FieldTy); |
| 1769 | EltTys.push_back(FieldTy); |
| 1770 | FieldOffset += FieldSize; |
| 1771 | |
| 1772 | llvm::DIArray Elements = |
| 1773 | DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 1774 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1775 | unsigned Flags = llvm::DIDescriptor::FlagBlockByrefStruct; |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1776 | |
| 1777 | return DebugFactory.CreateCompositeType(llvm::dwarf::DW_TAG_structure_type, |
Devang Patel | d58562e | 2010-03-09 22:49:11 +0000 | [diff] [blame] | 1778 | Unit, "", Unit, |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1779 | 0, FieldOffset, 0, 0, Flags, |
| 1780 | llvm::DIType(), Elements); |
| 1781 | |
| 1782 | } |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1783 | /// EmitDeclare - Emit local variable declaration debug info. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1784 | void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1785 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1786 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1787 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1788 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1789 | llvm::DIType Ty; |
| 1790 | uint64_t XOffset = 0; |
| 1791 | if (VD->hasAttr<BlocksAttr>()) |
| 1792 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1793 | else |
| 1794 | Ty = getOrCreateType(VD->getType(), Unit); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1795 | |
Devang Patel | f4e54a2 | 2010-05-07 23:05:55 +0000 | [diff] [blame] | 1796 | // If there is not any debug info for type then do not emit debug info |
| 1797 | // for this variable. |
| 1798 | if (!Ty) |
| 1799 | return; |
| 1800 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1801 | // Get location information. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1802 | unsigned Line = getLineNumber(VD->getLocation()); |
| 1803 | unsigned Column = getColumnNumber(VD->getLocation()); |
Devang Patel | aca745b | 2010-09-29 23:09:21 +0000 | [diff] [blame] | 1804 | unsigned Flags = 0; |
| 1805 | if (VD->isImplicit()) |
| 1806 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1807 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1808 | |
| 1809 | llvm::StringRef Name = VD->getName(); |
| 1810 | if (!Name.empty()) { |
| 1811 | // Create the descriptor for the variable. |
| 1812 | llvm::DIVariable D = |
| 1813 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(Scope), |
| 1814 | Name, Unit, Line, Ty, |
| 1815 | CGM.getLangOptions().Optimize, Flags); |
| 1816 | |
| 1817 | // Insert an llvm.dbg.declare into the current block. |
| 1818 | llvm::Instruction *Call = |
| 1819 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
| 1820 | |
| 1821 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
| 1822 | } |
| 1823 | |
| 1824 | // If VD is an anonymous union then Storage represents value for |
| 1825 | // all union fields. |
| 1826 | if (const RecordType *RT = dyn_cast<RecordType>(VD->getType())) |
| 1827 | if (const RecordDecl *RD = dyn_cast<RecordDecl>(RT->getDecl())) |
| 1828 | if (RD->isUnion()) { |
| 1829 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 1830 | E = RD->field_end(); |
| 1831 | I != E; ++I) { |
| 1832 | FieldDecl *Field = *I; |
| 1833 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 1834 | llvm::StringRef FieldName = Field->getName(); |
| 1835 | |
| 1836 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 1837 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
| 1838 | continue; |
| 1839 | |
| 1840 | // Use VarDecl's Tag, Scope and Line number. |
| 1841 | llvm::DIVariable D = |
| 1842 | DebugFactory.CreateVariable(Tag, llvm::DIDescriptor(Scope), |
| 1843 | FieldName, Unit, Line, FieldTy, |
| 1844 | CGM.getLangOptions().Optimize, Flags); |
| 1845 | |
| 1846 | // Insert an llvm.dbg.declare into the current block. |
| 1847 | llvm::Instruction *Call = |
| 1848 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
| 1849 | |
| 1850 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
| 1851 | } |
| 1852 | } |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1853 | } |
| 1854 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1855 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1856 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1857 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1858 | CodeGenFunction *CGF) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1859 | const ValueDecl *VD = BDRE->getDecl(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1860 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1861 | |
Devang Patel | 2b594b9 | 2010-04-26 23:28:46 +0000 | [diff] [blame] | 1862 | if (Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1863 | return; |
| 1864 | |
| 1865 | uint64_t XOffset = 0; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1866 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1867 | llvm::DIType Ty; |
| 1868 | if (VD->hasAttr<BlocksAttr>()) |
| 1869 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1870 | else |
| 1871 | Ty = getOrCreateType(VD->getType(), Unit); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1872 | |
| 1873 | // Get location information. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1874 | unsigned Line = getLineNumber(VD->getLocation()); |
| 1875 | unsigned Column = getColumnNumber(VD->getLocation()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1876 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1877 | CharUnits offset = CGF->BlockDecls[VD]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1878 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1879 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1880 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1881 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1882 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1883 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1884 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1885 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1886 | // offset of __forwarding field |
| 1887 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1888 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1889 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1890 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1891 | // offset of x field |
| 1892 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1893 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1894 | } |
| 1895 | |
| 1896 | // Create the descriptor for the variable. |
| 1897 | llvm::DIVariable D = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1898 | DebugFactory.CreateComplexVariable(Tag, |
| 1899 | llvm::DIDescriptor(RegionStack.back()), |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1900 | VD->getName(), Unit, Line, Ty, |
Benjamin Kramer | 3475cfe | 2010-09-21 15:59:59 +0000 | [diff] [blame] | 1901 | addr.data(), addr.size()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1902 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1903 | llvm::Instruction *Call = |
Chris Lattner | 165714e | 2010-01-25 03:34:56 +0000 | [diff] [blame] | 1904 | DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1905 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1906 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | f8e10a5 | 2010-05-10 23:48:38 +0000 | [diff] [blame] | 1907 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1908 | } |
| 1909 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1910 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *VD, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1911 | llvm::Value *Storage, |
| 1912 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1913 | EmitDeclare(VD, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1914 | } |
| 1915 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1916 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1917 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1918 | CodeGenFunction *CGF) { |
| 1919 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1920 | } |
| 1921 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1922 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1923 | /// variable declaration. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1924 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *VD, llvm::Value *AI, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1925 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1926 | EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1927 | } |
| 1928 | |
| 1929 | |
| 1930 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1931 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1932 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1933 | const VarDecl *D) { |
| 1934 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1935 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1936 | llvm::DIFile Unit = getOrCreateFile(D->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1937 | unsigned LineNo = getLineNumber(D->getLocation()); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1938 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1939 | QualType T = D->getType(); |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1940 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1941 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1942 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1943 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1944 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1945 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1946 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1947 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1948 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1949 | ArrayType::Normal, 0); |
| 1950 | } |
Devang Patel | 5d822f0 | 2010-04-29 17:48:37 +0000 | [diff] [blame] | 1951 | llvm::StringRef DeclName = D->getName(); |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 1952 | llvm::StringRef LinkageName; |
Devang Patel | 0fd3d1f | 2010-05-14 16:55:25 +0000 | [diff] [blame] | 1953 | if (D->getDeclContext() && !isa<FunctionDecl>(D->getDeclContext())) |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 1954 | LinkageName = Var->getName(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1955 | llvm::DIDescriptor DContext = |
| 1956 | getContextDescriptor(dyn_cast<Decl>(D->getDeclContext()), Unit); |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 1957 | DebugFactory.CreateGlobalVariable(DContext, DeclName, DeclName, LinkageName, |
| 1958 | Unit, LineNo, getOrCreateType(T, Unit), |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1959 | Var->hasInternalLinkage(), |
| 1960 | true/*definition*/, Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1961 | } |
| 1962 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1963 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1964 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1965 | ObjCInterfaceDecl *ID) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1966 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1967 | llvm::DIFile Unit = getOrCreateFile(ID->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1968 | unsigned LineNo = getLineNumber(ID->getLocation()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1969 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1970 | llvm::StringRef Name = ID->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1971 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1972 | QualType T = CGM.getContext().getObjCInterfaceType(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1973 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1974 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1975 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1976 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1977 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1978 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1979 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1980 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1981 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1982 | ArrayType::Normal, 0); |
| 1983 | } |
| 1984 | |
Devang Patel | f6a39b7 | 2009-10-20 18:26:30 +0000 | [diff] [blame] | 1985 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, LineNo, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1986 | getOrCreateType(T, Unit), |
| 1987 | Var->hasInternalLinkage(), |
| 1988 | true/*definition*/, Var); |
| 1989 | } |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1990 | |
Devang Patel | 25c2c8f | 2010-08-10 17:53:33 +0000 | [diff] [blame] | 1991 | /// EmitGlobalVariable - Emit global variable's debug info. |
| 1992 | void CGDebugInfo::EmitGlobalVariable(const ValueDecl *VD, |
John McCall | 189d6ef | 2010-10-09 01:34:31 +0000 | [diff] [blame] | 1993 | llvm::Constant *Init) { |
Devang Patel | 8d30838 | 2010-08-10 07:24:25 +0000 | [diff] [blame] | 1994 | // Create the descriptor for the variable. |
| 1995 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
| 1996 | llvm::StringRef Name = VD->getName(); |
Devang Patel | 0317ab0 | 2010-08-10 18:27:15 +0000 | [diff] [blame] | 1997 | llvm::DIType Ty = getOrCreateType(VD->getType(), Unit); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1998 | if (const EnumConstantDecl *ECD = dyn_cast<EnumConstantDecl>(VD)) { |
| 1999 | if (const EnumDecl *ED = dyn_cast<EnumDecl>(ECD->getDeclContext())) |
| 2000 | Ty = CreateEnumType(ED, Unit); |
| 2001 | } |
Devang Patel | 0317ab0 | 2010-08-10 18:27:15 +0000 | [diff] [blame] | 2002 | // Do not use DIGlobalVariable for enums. |
| 2003 | if (Ty.getTag() == llvm::dwarf::DW_TAG_enumeration_type) |
| 2004 | return; |
Devang Patel | 8d30838 | 2010-08-10 07:24:25 +0000 | [diff] [blame] | 2005 | DebugFactory.CreateGlobalVariable(Unit, Name, Name, Name, Unit, |
| 2006 | getLineNumber(VD->getLocation()), |
Devang Patel | 4c4acc0 | 2010-08-10 20:16:57 +0000 | [diff] [blame] | 2007 | Ty, true, true, Init); |
Devang Patel | 8d30838 | 2010-08-10 07:24:25 +0000 | [diff] [blame] | 2008 | } |
| 2009 | |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 2010 | /// getOrCreateNamesSpace - Return namespace descriptor for the given |
| 2011 | /// namespace decl. |
| 2012 | llvm::DINameSpace |
| 2013 | CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl, |
| 2014 | llvm::DIDescriptor Unit) { |
| 2015 | llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I = |
| 2016 | NameSpaceCache.find(NSDecl); |
| 2017 | if (I != NameSpaceCache.end()) |
| 2018 | return llvm::DINameSpace(cast<llvm::MDNode>(I->second)); |
| 2019 | |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 2020 | unsigned LineNo = getLineNumber(NSDecl->getLocation()); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 2021 | |
| 2022 | llvm::DIDescriptor Context = |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 2023 | getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()), Unit); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 2024 | llvm::DINameSpace NS = |
| 2025 | DebugFactory.CreateNameSpace(Context, NSDecl->getName(), |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 2026 | llvm::DIFile(Unit), LineNo); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 2027 | NameSpaceCache[NSDecl] = llvm::WeakVH(NS); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 2028 | return NS; |
| 2029 | } |