diff options
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 532 |
1 files changed, 296 insertions, 236 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 9084456..b472d1e 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -13,6 +13,8 @@ #define DEBUG_TYPE "dwarfdebug" #include "DwarfDebug.h" +#include "DIE.h" +#include "llvm/Constants.h" #include "llvm/Module.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineModuleInfo.h" @@ -24,7 +26,9 @@ #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" #include "llvm/Target/TargetLoweringObjectFile.h" +#include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetRegisterInfo.h" +#include "llvm/Analysis/DebugInfo.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/StringExtras.h" #include "llvm/Support/Debug.h" @@ -269,6 +273,8 @@ public: void dump() const; #endif }; + +} // end llvm namespace #ifndef NDEBUG void DbgScope::dump() const { @@ -296,16 +302,19 @@ DbgScope::~DbgScope() { delete Variables[j]; } -} // end llvm namespace - -DwarfDebug::DwarfDebug(raw_ostream &OS, AsmPrinter *A, const MCAsmInfo *T) - : DwarfPrinter(OS, A, T), ModuleCU(0), - AbbreviationsSet(InitAbbreviationsSetSize), Abbreviations(), - DIEBlocks(), SectionSourceLines(), didInitial(false), shouldEmit(false), +DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M) + : Asm(A), MMI(Asm->MMI), ModuleCU(0), + AbbreviationsSet(InitAbbreviationsSetSize), CurrentFnDbgScope(0), DebugTimer(0) { NextStringPoolNumber = 0; + + DwarfFrameSectionSym = DwarfInfoSectionSym = DwarfAbbrevSectionSym = 0; + DwarfStrSectionSym = TextSectionSym = 0; + if (TimePassesIsEnabled) DebugTimer = new Timer("Dwarf Debug Writer"); + + beginModule(M); } DwarfDebug::~DwarfDebug() { for (unsigned j = 0, M = DIEBlocks.size(); j < M; ++j) @@ -319,7 +328,7 @@ MCSymbol *DwarfDebug::getStringPoolEntry(StringRef Str) { if (Entry.first) return Entry.first; Entry.second = NextStringPoolNumber++; - return Entry.first = getDWLabel("string", Entry.second); + return Entry.first = Asm->GetTempSymbol("string", Entry.second); } @@ -395,11 +404,19 @@ void DwarfDebug::addDelta(DIE *Die, unsigned Attribute, unsigned Form, Die->addValue(Attribute, Form, Value); } +/// addDIEEntry - Add a DIE attribute data and value. +/// +void DwarfDebug::addDIEEntry(DIE *Die, unsigned Attribute, unsigned Form, + DIE *Entry) { + Die->addValue(Attribute, Form, createDIEEntry(Entry)); +} + + /// addBlock - Add block data. /// void DwarfDebug::addBlock(DIE *Die, unsigned Attribute, unsigned Form, DIEBlock *Block) { - Block->ComputeSize(TD); + Block->ComputeSize(Asm); DIEBlocks.push_back(Block); // Memoize so we can call the destructor later on. Die->addValue(Attribute, Block->BestForm(), Block); } @@ -553,6 +570,7 @@ void DwarfDebug::addComplexAddress(DbgVariable *&DV, DIE *Die, // Decode the original location, and use that as the start of the byref // variable's location. + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); unsigned Reg = RI->getDwarfRegNum(Location.getReg(), false); DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); @@ -693,6 +711,7 @@ void DwarfDebug::addBlockByrefAddress(DbgVariable *&DV, DIE *Die, // Decode the original location, and use that as the start of the byref // variable's location. + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); unsigned Reg = RI->getDwarfRegNum(Location.getReg(), false); DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); @@ -748,6 +767,7 @@ void DwarfDebug::addBlockByrefAddress(DbgVariable *&DV, DIE *Die, /// provided. void DwarfDebug::addAddress(DIE *Die, unsigned Attribute, const MachineLocation &Location) { + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); unsigned Reg = RI->getDwarfRegNum(Location.getReg(), false); DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); @@ -1114,7 +1134,8 @@ DIE *DwarfDebug::createMemberDIE(const DIDerivedType &DT) { Offset -= FieldOffset; // Maybe we need to work from the other end. - if (TD->isLittleEndian()) Offset = FieldSize - (Offset + Size); + if (Asm->getTargetData().isLittleEndian()) + Offset = FieldSize - (Offset + Size); addUInt(MemberDie, dwarf::DW_AT_bit_offset, 0, Offset); // Here WD_AT_data_member_location points to the anonymous @@ -1272,7 +1293,7 @@ DbgScope *DwarfDebug::getUpdatedDbgScope(MDNode *N, const MachineInstr *MI, if (!Parent && !InlinedAt) { StringRef SPName = DISubprogram(N).getLinkageName(); - if (SPName == MF->getFunction()->getName()) + if (SPName == Asm->MF->getFunction()->getName()) CurrentFnDbgScope = NScope; } @@ -1316,50 +1337,51 @@ DbgScope *DwarfDebug::getOrCreateAbstractScope(MDNode *N) { /// If there are global variables in this scope then create and insert /// DIEs for these variables. DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) { - DIE *SPDie = ModuleCU->getDIE(SPNode); - assert(SPDie && "Unable to find subprogram DIE!"); - DISubprogram SP(SPNode); + DIE *SPDie = ModuleCU->getDIE(SPNode); + assert(SPDie && "Unable to find subprogram DIE!"); + DISubprogram SP(SPNode); + + // There is not any need to generate specification DIE for a function + // defined at compile unit level. If a function is defined inside another + // function then gdb prefers the definition at top level and but does not + // expect specification DIE in parent function. So avoid creating + // specification DIE for a function defined inside a function. + if (SP.isDefinition() && !SP.getContext().isCompileUnit() && + !SP.getContext().isFile() && !SP.getContext().isSubprogram()) { + addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1); + + // Add arguments. + DICompositeType SPTy = SP.getType(); + DIArray Args = SPTy.getTypeArray(); + unsigned SPTag = SPTy.getTag(); + if (SPTag == dwarf::DW_TAG_subroutine_type) + for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) { + DIE *Arg = new DIE(dwarf::DW_TAG_formal_parameter); + DIType ATy = DIType(DIType(Args.getElement(i).getNode())); + addType(Arg, ATy); + if (ATy.isArtificial()) + addUInt(Arg, dwarf::DW_AT_artificial, dwarf::DW_FORM_flag, 1); + SPDie->addChild(Arg); + } + DIE *SPDeclDie = SPDie; + SPDie = new DIE(dwarf::DW_TAG_subprogram); + addDIEEntry(SPDie, dwarf::DW_AT_specification, dwarf::DW_FORM_ref4, + SPDeclDie); + ModuleCU->addDie(SPDie); + } + + addLabel(SPDie, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + Asm->GetTempSymbol("func_begin", Asm->getFunctionNumber())); + addLabel(SPDie, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr, + Asm->GetTempSymbol("func_end", Asm->getFunctionNumber())); + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); + MachineLocation Location(RI->getFrameRegister(*Asm->MF)); + addAddress(SPDie, dwarf::DW_AT_frame_base, Location); + + if (!DISubprogram(SPNode).isLocalToUnit()) + addUInt(SPDie, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1); - // There is not any need to generate specification DIE for a function - // defined at compile unit level. If a function is defined inside another - // function then gdb prefers the definition at top level and but does not - // expect specification DIE in parent function. So avoid creating - // specification DIE for a function defined inside a function. - if (SP.isDefinition() && !SP.getContext().isCompileUnit() && - !SP.getContext().isFile() && !SP.getContext().isSubprogram()) { - addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1); - - // Add arguments. - DICompositeType SPTy = SP.getType(); - DIArray Args = SPTy.getTypeArray(); - unsigned SPTag = SPTy.getTag(); - if (SPTag == dwarf::DW_TAG_subroutine_type) - for (unsigned i = 1, N = Args.getNumElements(); i < N; ++i) { - DIE *Arg = new DIE(dwarf::DW_TAG_formal_parameter); - DIType ATy = DIType(DIType(Args.getElement(i).getNode())); - addType(Arg, ATy); - if (ATy.isArtificial()) - addUInt(Arg, dwarf::DW_AT_artificial, dwarf::DW_FORM_flag, 1); - SPDie->addChild(Arg); - } - DIE *SPDeclDie = SPDie; - SPDie = new DIE(dwarf::DW_TAG_subprogram); - addDIEEntry(SPDie, dwarf::DW_AT_specification, dwarf::DW_FORM_ref4, - SPDeclDie); - ModuleCU->addDie(SPDie); - } - - addLabel(SPDie, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, - getDWLabel("func_begin", SubprogramCount)); - addLabel(SPDie, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr, - getDWLabel("func_end", SubprogramCount)); - MachineLocation Location(RI->getFrameRegister(*MF)); - addAddress(SPDie, dwarf::DW_AT_frame_base, Location); - - if (!DISubprogram(SPNode).isLocalToUnit()) - addUInt(SPDie, dwarf::DW_AT_external, dwarf::DW_FORM_flag, 1); - - return SPDie; + return SPDie; } /// constructLexicalScope - Construct new DW_TAG_lexical_block @@ -1377,9 +1399,10 @@ DIE *DwarfDebug::constructLexicalScopeDIE(DbgScope *Scope) { return ScopeDIE; addLabel(ScopeDIE, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, - Start ? Start : getDWLabel("func_begin", SubprogramCount)); + Start ? Start : Asm->GetTempSymbol("func_begin", + Asm->getFunctionNumber())); addLabel(ScopeDIE, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr, - End ? End : getDWLabel("func_end", SubprogramCount)); + End ? End : Asm->GetTempSymbol("func_end",Asm->getFunctionNumber())); return ScopeDIE; } @@ -1510,6 +1533,31 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, DbgScope *Scope) { if (MCSymbol *VS = DV->getDbgValueLabel()) addLabel(VariableDie, dwarf::DW_AT_start_scope, dwarf::DW_FORM_addr, VS); + } else if (DbgValueInsn->getOperand(0).getType() == + MachineOperand::MO_FPImmediate) { + DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); + APFloat FPImm = DbgValueInsn->getOperand(0).getFPImm()->getValueAPF(); + + // Get the raw data form of the floating point. + const APInt FltVal = FPImm.bitcastToAPInt(); + const char *FltPtr = (const char*)FltVal.getRawData(); + + unsigned NumBytes = FltVal.getBitWidth() / 8; // 8 bits per byte. + bool LittleEndian = Asm->getTargetData().isLittleEndian(); + int Incr = (LittleEndian ? 1 : -1); + int Start = (LittleEndian ? 0 : NumBytes - 1); + int Stop = (LittleEndian ? NumBytes : -1); + + // Output the constant to DWARF one byte at a time. + for (; Start != Stop; Start += Incr) + addUInt(Block, 0, dwarf::DW_FORM_data1, + (unsigned char)0xFF & FltPtr[Start]); + + addBlock(VariableDie, dwarf::DW_AT_const_value, 0, Block); + + if (MCSymbol *VS = DV->getDbgValueLabel()) + addLabel(VariableDie, dwarf::DW_AT_start_scope, dwarf::DW_FORM_addr, + VS); } else { //FIXME : Handle other operand types. delete VariableDie; @@ -1519,7 +1567,8 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, DbgScope *Scope) { } else { MachineLocation Location; unsigned FrameReg; - int Offset = RI->getFrameIndexReference(*MF, DV->getFrameIndex(), + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); + int Offset = RI->getFrameIndexReference(*Asm->MF, DV->getFrameIndex(), FrameReg); Location.set(FrameReg, Offset); @@ -1667,10 +1716,9 @@ void DwarfDebug::constructCompileUnit(MDNode *N) { addUInt(Die, dwarf::DW_AT_language, dwarf::DW_FORM_data1, DIUnit.getLanguage()); addString(Die, dwarf::DW_AT_name, dwarf::DW_FORM_string, FN); - addLabel(Die, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, - getTempLabel("text_begin")); + addLabel(Die, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, TextSectionSym); addLabel(Die, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr, - getTempLabel("text_end")); + Asm->GetTempSymbol("text_end")); // DW_AT_stmt_list is a offset of line number information for this // compile unit in debug_line section. It is always zero when only one // compile unit is emitted in one object file. @@ -1780,25 +1828,37 @@ void DwarfDebug::constructSubprogramDIE(MDNode *N) { /// beginModule - Emit all Dwarf sections that should come prior to the /// content. Create global DIEs and emit initial debug info sections. /// This is inovked by the target AsmPrinter. -void DwarfDebug::beginModule(Module *M, MachineModuleInfo *mmi) { - this->M = M; - - if (!MAI->doesSupportDebugInformation()) - return; - +void DwarfDebug::beginModule(Module *M) { TimeRegion Timer(DebugTimer); - + DebugInfoFinder DbgFinder; DbgFinder.processModule(*M); + bool HasDebugInfo = false; + + // Scan all the compile-units to see if there are any marked as the main unit. + // if not, we do not generate debug info. + for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(), + E = DbgFinder.compile_unit_end(); I != E; ++I) { + if (DICompileUnit(*I).isMain()) { + HasDebugInfo = true; + break; + } + } + + if (!HasDebugInfo) return; + + // Tell MMI that we have debug info. + MMI->setDebugInfoAvailability(true); + + // Emit initial sections. + EmitSectionLabels(); + // Create all the compile unit DIEs. for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(), E = DbgFinder.compile_unit_end(); I != E; ++I) constructCompileUnit(*I); - if (!ModuleCU) - return; - // Create DIEs for each subprogram. for (DebugInfoFinder::iterator I = DbgFinder.subprogram_begin(), E = DbgFinder.subprogram_end(); I != E; ++I) @@ -1809,16 +1869,12 @@ void DwarfDebug::beginModule(Module *M, MachineModuleInfo *mmi) { E = DbgFinder.global_variable_end(); I != E; ++I) constructGlobalVariableDIE(*I); - MMI = mmi; - shouldEmit = true; - MMI->setDebugInfoAvailability(true); - // Prime section data. SectionMap.insert(Asm->getObjFileLowering().getTextSection()); // Print out .file directives to specify files for .loc directives. These are // printed out early so that they precede any .loc directives. - if (MAI->hasDotLocAndDotFile()) { + if (Asm->MAI->hasDotLocAndDotFile()) { for (unsigned i = 1, e = getNumSourceIds()+1; i != e; ++i) { // Remember source id starts at 1. std::pair<unsigned, unsigned> Id = getSourceDirectoryAndFileIds(i); @@ -1832,9 +1888,6 @@ void DwarfDebug::beginModule(Module *M, MachineModuleInfo *mmi) { Asm->OutStreamer.EmitDwarfFileDirective(i, FullPath.str()); } } - - // Emit initial sections - emitInitial(); } /// endModule - Emit all Dwarf sections that should come after the content. @@ -1871,14 +1924,14 @@ void DwarfDebug::endModule() { // Standard sections final addresses. Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getTextSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("text_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("text_end")); Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getDataSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("data_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("data_end")); // End text sections. for (unsigned i = 1, N = SectionMap.size(); i <= N; ++i) { Asm->OutStreamer.SwitchSection(SectionMap[i]); - Asm->OutStreamer.EmitLabel(getDWLabel("section_end", i)); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_end", i)); } // Emit common frame information. @@ -1975,9 +2028,7 @@ DbgVariable *DwarfDebug::findAbstractVariable(DIVariable &Var, /// collectVariableInfo - Populate DbgScope entries with variables' info. void DwarfDebug::collectVariableInfo() { - if (!MMI) return; - - const LLVMContext &Ctx = MF->getFunction()->getContext(); + const LLVMContext &Ctx = Asm->MF->getFunction()->getContext(); MachineModuleInfo::VariableDbgInfoMapTy &VMap = MMI->getVariableDbgInfo(); for (MachineModuleInfo::VariableDbgInfoMapTy::iterator VI = VMap.begin(), @@ -2003,7 +2054,7 @@ void DwarfDebug::collectVariableInfo() { } // Collect variable information from DBG_VALUE machine instructions; - for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); + for (MachineFunction::const_iterator I = Asm->MF->begin(), E = Asm->MF->end(); I != E; ++I) { for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end(); II != IE; ++II) { @@ -2055,7 +2106,7 @@ void DwarfDebug::beginScope(const MachineInstr *MI) { if (DL == PrevInstLoc) return; - MDNode *Scope = DL.getScope(MF->getFunction()->getContext()); + MDNode *Scope = DL.getScope(Asm->MF->getFunction()->getContext()); // FIXME: Should only verify each scope once! if (!DIScope(Scope).Verify()) @@ -2148,10 +2199,10 @@ bool DwarfDebug::extractScopeInformation() { DenseMap<const MachineInstr *, unsigned> MIIndexMap; unsigned MIIndex = 0; - LLVMContext &Ctx = MF->getFunction()->getContext(); + LLVMContext &Ctx = Asm->MF->getFunction()->getContext(); // Scan each instruction and create scopes. First build working set of scopes. - for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); + for (MachineFunction::const_iterator I = Asm->MF->begin(), E = Asm->MF->end(); I != E; ++I) { for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end(); II != IE; ++II) { @@ -2175,7 +2226,7 @@ bool DwarfDebug::extractScopeInformation() { // Build scope hierarchy using working set of scopes. - for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); + for (MachineFunction::const_iterator I = Asm->MF->begin(), E = Asm->MF->end(); I != E; ++I) { for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end(); II != IE; ++II) { @@ -2243,18 +2294,17 @@ bool DwarfDebug::extractScopeInformation() { /// beginFunction - Gather pre-function debug information. Assumes being /// emitted immediately after the function entry point. void DwarfDebug::beginFunction(const MachineFunction *MF) { - this->MF = MF; - - if (!ShouldEmitDwarfDebug()) return; + if (!MMI->hasDebugInfo()) return; + + TimeRegion Timer(DebugTimer); if (!extractScopeInformation()) return; - TimeRegion Timer(DebugTimer); - collectVariableInfo(); // Assumes in correct section after the entry point. - Asm->OutStreamer.EmitLabel(getDWLabel("func_begin", ++SubprogramCount)); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("func_begin", + Asm->getFunctionNumber())); // Emit label for the implicitly defined dbg.stoppoint at the start of the // function. @@ -2279,14 +2329,15 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { /// endFunction - Gather and emit post-function debug information. /// void DwarfDebug::endFunction(const MachineFunction *MF) { - if (!ShouldEmitDwarfDebug()) return; - if (DbgScopeMap.empty()) return; + if (!MMI->hasDebugInfo() || + DbgScopeMap.empty()) return; TimeRegion Timer(DebugTimer); if (CurrentFnDbgScope) { // Define end label for subprogram. - Asm->OutStreamer.EmitLabel(getDWLabel("func_end", SubprogramCount)); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("func_end", + Asm->getFunctionNumber())); // Get function line info. if (!Lines.empty()) { @@ -2306,7 +2357,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) { constructScopeDIE(CurrentFnDbgScope); - DebugFrames.push_back(FunctionDebugFrameInfo(SubprogramCount, + DebugFrames.push_back(FunctionDebugFrameInfo(Asm->getFunctionNumber(), MMI->getFrameMoves())); } @@ -2327,9 +2378,6 @@ void DwarfDebug::endFunction(const MachineFunction *MF) { /// unique label that was emitted and which provides correspondence to /// the source line list. MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, MDNode *S) { - if (!MMI) - return 0; - TimeRegion Timer(DebugTimer); StringRef Dir; @@ -2404,7 +2452,7 @@ DwarfDebug::computeSizeAndOffset(DIE *Die, unsigned Offset, bool Last) { // Size the DIE attribute values. for (unsigned i = 0, N = Values.size(); i < N; ++i) // Size attribute value. - Offset += Values[i]->SizeOf(TD, AbbrevData[i].getForm()); + Offset += Values[i]->SizeOf(Asm, AbbrevData[i].getForm()); // Size the DIE children if any. if (!Children.empty()) { @@ -2436,50 +2484,48 @@ void DwarfDebug::computeSizeAndOffsets() { CompileUnitOffsets[ModuleCU] = 0; } -/// emitInitial - Emit initial Dwarf declarations. This is necessary for cc -/// tools to recognize the object file contains Dwarf information. -void DwarfDebug::emitInitial() { - // Check to see if we already emitted intial headers. - if (didInitial) return; - didInitial = true; +/// EmitSectionSym - Switch to the specified MCSection and emit an assembler +/// temporary label to it if SymbolStem is specified. +static MCSymbol *EmitSectionSym(AsmPrinter *Asm, const MCSection *Section, + const char *SymbolStem = 0) { + Asm->OutStreamer.SwitchSection(Section); + if (!SymbolStem) return 0; + + MCSymbol *TmpSym = Asm->GetTempSymbol(SymbolStem); + Asm->OutStreamer.EmitLabel(TmpSym); + return TmpSym; +} +/// EmitSectionLabels - Emit initial Dwarf sections with a label at +/// the start of each one. +void DwarfDebug::EmitSectionLabels() { const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering(); // Dwarf sections base addresses. - if (MAI->doesDwarfRequireFrameSection()) { - Asm->OutStreamer.SwitchSection(TLOF.getDwarfFrameSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_debug_frame")); - } - - Asm->OutStreamer.SwitchSection(TLOF.getDwarfInfoSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_info")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfAbbrevSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_abbrev")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfARangesSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_aranges")); - - if (const MCSection *LineInfoDirective = TLOF.getDwarfMacroInfoSection()) { - Asm->OutStreamer.SwitchSection(LineInfoDirective); - Asm->OutStreamer.EmitLabel(getTempLabel("section_macinfo")); - } - - Asm->OutStreamer.SwitchSection(TLOF.getDwarfLineSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_line")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfLocSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_loc")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubNamesSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_pubnames")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubTypesSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_pubtypes")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfStrSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_str")); - Asm->OutStreamer.SwitchSection(TLOF.getDwarfRangesSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("section_ranges")); - - Asm->OutStreamer.SwitchSection(TLOF.getTextSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("text_begin")); - Asm->OutStreamer.SwitchSection(TLOF.getDataSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("data_begin")); + if (Asm->MAI->doesDwarfRequireFrameSection()) { + DwarfFrameSectionSym = + EmitSectionSym(Asm, TLOF.getDwarfFrameSection(), "section_debug_frame"); + } + + DwarfInfoSectionSym = + EmitSectionSym(Asm, TLOF.getDwarfInfoSection(), "section_info"); + DwarfAbbrevSectionSym = + EmitSectionSym(Asm, TLOF.getDwarfAbbrevSection(), "section_abbrev"); + EmitSectionSym(Asm, TLOF.getDwarfARangesSection()); + + if (const MCSection *MacroInfo = TLOF.getDwarfMacroInfoSection()) + EmitSectionSym(Asm, MacroInfo); + + EmitSectionSym(Asm, TLOF.getDwarfLineSection()); + EmitSectionSym(Asm, TLOF.getDwarfLocSection()); + EmitSectionSym(Asm, TLOF.getDwarfPubNamesSection()); + EmitSectionSym(Asm, TLOF.getDwarfPubTypesSection()); + DwarfStrSectionSym = + EmitSectionSym(Asm, TLOF.getDwarfStrSection(), "section_str"); + EmitSectionSym(Asm, TLOF.getDwarfRangesSection()); + + TextSectionSym = EmitSectionSym(Asm, TLOF.getTextSection(), "text_begin"); + EmitSectionSym(Asm, TLOF.getDataSection()); } /// emitDIE - Recusively Emits a debug information entry. @@ -2490,12 +2536,12 @@ void DwarfDebug::emitDIE(DIE *Die) { const DIEAbbrev *Abbrev = Abbreviations[AbbrevNumber - 1]; // Emit the code (index) for the abbreviation. - if (Asm->VerboseAsm) + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("Abbrev [" + Twine(AbbrevNumber) + "] 0x" + Twine::utohexstr(Die->getOffset()) + ":0x" + Twine::utohexstr(Die->getSize()) + " " + dwarf::TagString(Abbrev->getTag())); - EmitULEB128(AbbrevNumber); + Asm->EmitULEB128(AbbrevNumber); const SmallVector<DIEValue*, 32> &Values = Die->getValues(); const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev->getData(); @@ -2506,7 +2552,7 @@ void DwarfDebug::emitDIE(DIE *Die) { unsigned Form = AbbrevData[i].getForm(); assert(Form && "Too many attributes for DIE (check abbreviation)"); - if (Asm->VerboseAsm) + if (Asm->isVerbose()) Asm->OutStreamer.AddComment(dwarf::AttributeString(Attr)); switch (Attr) { @@ -2522,7 +2568,7 @@ void DwarfDebug::emitDIE(DIE *Die) { } default: // Emit an attribute using the defined form. - Values[i]->EmitValue(this, Form); + Values[i]->EmitValue(Asm, Form); break; } } @@ -2534,7 +2580,7 @@ void DwarfDebug::emitDIE(DIE *Die) { for (unsigned j = 0, M = Children.size(); j < M; ++j) emitDIE(Children[j]); - if (Asm->VerboseAsm) + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("End Of Children Mark"); Asm->EmitInt8(0); } @@ -2549,7 +2595,8 @@ void DwarfDebug::emitDebugInfo() { DIE *Die = ModuleCU->getCUDie(); // Emit the compile units header. - Asm->OutStreamer.EmitLabel(getDWLabel("info_begin", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("info_begin", + ModuleCU->getID())); // Emit size of content not including length itself unsigned ContentSize = Die->getSize() + @@ -2563,10 +2610,10 @@ void DwarfDebug::emitDebugInfo() { Asm->OutStreamer.AddComment("DWARF version number"); Asm->EmitInt16(dwarf::DWARF_VERSION); Asm->OutStreamer.AddComment("Offset Into Abbrev. Section"); - EmitSectionOffset(getTempLabel("abbrev_begin"),getTempLabel("section_abbrev"), - true); + Asm->EmitSectionOffset(Asm->GetTempSymbol("abbrev_begin"), + DwarfAbbrevSectionSym); Asm->OutStreamer.AddComment("Address Size (in bytes)"); - Asm->EmitInt8(TD->getPointerSize()); + Asm->EmitInt8(Asm->getTargetData().getPointerSize()); emitDIE(Die); // FIXME - extra padding for gdb bug. @@ -2575,7 +2622,7 @@ void DwarfDebug::emitDebugInfo() { Asm->EmitInt8(0); Asm->EmitInt8(0); Asm->EmitInt8(0); - Asm->OutStreamer.EmitLabel(getDWLabel("info_end", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("info_end", ModuleCU->getID())); } /// emitAbbreviations - Emit the abbreviation section. @@ -2587,7 +2634,7 @@ void DwarfDebug::emitAbbreviations() const { Asm->OutStreamer.SwitchSection( Asm->getObjFileLowering().getDwarfAbbrevSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_begin")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("abbrev_begin")); // For each abbrevation. for (unsigned i = 0, N = Abbreviations.size(); i < N; ++i) { @@ -2595,16 +2642,16 @@ void DwarfDebug::emitAbbreviations() const { const DIEAbbrev *Abbrev = Abbreviations[i]; // Emit the abbrevations code (base 1 index.) - EmitULEB128(Abbrev->getNumber(), "Abbreviation Code"); + Asm->EmitULEB128(Abbrev->getNumber(), "Abbreviation Code"); // Emit the abbreviations data. - Abbrev->Emit(this); + Abbrev->Emit(Asm); } // Mark end of abbreviations. - EmitULEB128(0, "EOM(3)"); + Asm->EmitULEB128(0, "EOM(3)"); - Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("abbrev_end")); } } @@ -2617,14 +2664,15 @@ void DwarfDebug::emitEndOfLineMatrix(unsigned SectionEnd) { Asm->EmitInt8(0); Asm->OutStreamer.AddComment("Op size"); - Asm->EmitInt8(TD->getPointerSize() + 1); + Asm->EmitInt8(Asm->getTargetData().getPointerSize() + 1); Asm->OutStreamer.AddComment("DW_LNE_set_address"); Asm->EmitInt8(dwarf::DW_LNE_set_address); Asm->OutStreamer.AddComment("Section end label"); - Asm->OutStreamer.EmitSymbolValue(getDWLabel("section_end", SectionEnd), - TD->getPointerSize(), 0/*AddrSpace*/); + Asm->OutStreamer.EmitSymbolValue(Asm->GetTempSymbol("section_end",SectionEnd), + Asm->getTargetData().getPointerSize(), + 0/*AddrSpace*/); // Mark end of matrix. Asm->OutStreamer.AddComment("DW_LNE_end_sequence"); @@ -2638,7 +2686,7 @@ void DwarfDebug::emitEndOfLineMatrix(unsigned SectionEnd) { void DwarfDebug::emitDebugLines() { // If the target is using .loc/.file, the assembler will be emitting the // .debug_line table automatically. - if (MAI->hasDotLocAndDotFile()) + if (Asm->MAI->hasDotLocAndDotFile()) return; // Minimum line delta, thus ranging from -10..(255-10). @@ -2652,16 +2700,17 @@ void DwarfDebug::emitDebugLines() { // Construct the section header. Asm->OutStreamer.AddComment("Length of Source Line Info"); - EmitDifference(getTempLabel("line_end"), getTempLabel("line_begin"), true); - Asm->OutStreamer.EmitLabel(getTempLabel("line_begin")); + Asm->EmitLabelDifference(Asm->GetTempSymbol("line_end"), + Asm->GetTempSymbol("line_begin"), 4); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_begin")); Asm->OutStreamer.AddComment("DWARF version number"); Asm->EmitInt16(dwarf::DWARF_VERSION); Asm->OutStreamer.AddComment("Prolog Length"); - EmitDifference(getTempLabel("line_prolog_end"), - getTempLabel("line_prolog_begin"), true); - Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_begin")); + Asm->EmitLabelDifference(Asm->GetTempSymbol("line_prolog_end"), + Asm->GetTempSymbol("line_prolog_begin"), 4); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_prolog_begin")); Asm->OutStreamer.AddComment("Minimum Instruction Length"); Asm->EmitInt8(1); @@ -2697,7 +2746,7 @@ void DwarfDebug::emitDebugLines() { // Emit directories. for (unsigned DI = 1, DE = getNumSourceDirectories()+1; DI != DE; ++DI) { const std::string &Dir = getSourceDirectoryName(DI); - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("Directory"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("Directory"); Asm->OutStreamer.EmitBytes(StringRef(Dir.c_str(), Dir.size()+1), 0); } @@ -2709,18 +2758,18 @@ void DwarfDebug::emitDebugLines() { // Remember source id starts at 1. std::pair<unsigned, unsigned> Id = getSourceDirectoryAndFileIds(SI); const std::string &FN = getSourceFileName(Id.second); - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("Source"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("Source"); Asm->OutStreamer.EmitBytes(StringRef(FN.c_str(), FN.size()+1), 0); - EmitULEB128(Id.first, "Directory #"); - EmitULEB128(0, "Mod date"); - EmitULEB128(0, "File size"); + Asm->EmitULEB128(Id.first, "Directory #"); + Asm->EmitULEB128(0, "Mod date"); + Asm->EmitULEB128(0, "File size"); } Asm->OutStreamer.AddComment("End of files"); Asm->EmitInt8(0); - Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_prolog_end")); // A sequence for each text section. unsigned SecSrcLinesSize = SectionSourceLines.size(); @@ -2754,13 +2803,14 @@ void DwarfDebug::emitDebugLines() { Asm->OutStreamer.AddComment("Extended Op"); Asm->EmitInt8(0); Asm->OutStreamer.AddComment("Op size"); - Asm->EmitInt8(TD->getPointerSize() + 1); + Asm->EmitInt8(Asm->getTargetData().getPointerSize() + 1); Asm->OutStreamer.AddComment("DW_LNE_set_address"); Asm->EmitInt8(dwarf::DW_LNE_set_address); Asm->OutStreamer.AddComment("Location label"); - Asm->OutStreamer.EmitSymbolValue(Label, TD->getPointerSize(), + Asm->OutStreamer.EmitSymbolValue(Label, + Asm->getTargetData().getPointerSize(), 0/*AddrSpace*/); // If change of source, then switch to the new source. @@ -2768,7 +2818,7 @@ void DwarfDebug::emitDebugLines() { Source = LineInfo.getSourceID(); Asm->OutStreamer.AddComment("DW_LNS_set_file"); Asm->EmitInt8(dwarf::DW_LNS_set_file); - EmitULEB128(Source, "New Source"); + Asm->EmitULEB128(Source, "New Source"); } // If change of line. @@ -2789,7 +2839,7 @@ void DwarfDebug::emitDebugLines() { // ... otherwise use long hand. Asm->OutStreamer.AddComment("DW_LNS_advance_line"); Asm->EmitInt8(dwarf::DW_LNS_advance_line); - EmitSLEB128(Offset, "Line Offset"); + Asm->EmitSLEB128(Offset, "Line Offset"); Asm->OutStreamer.AddComment("DW_LNS_copy"); Asm->EmitInt8(dwarf::DW_LNS_copy); } @@ -2809,55 +2859,56 @@ void DwarfDebug::emitDebugLines() { // put into it, emit an empty table. emitEndOfLineMatrix(1); - Asm->OutStreamer.EmitLabel(getTempLabel("line_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_end")); } /// emitCommonDebugFrame - Emit common frame info into a debug frame section. /// void DwarfDebug::emitCommonDebugFrame() { - if (!MAI->doesDwarfRequireFrameSection()) + if (!Asm->MAI->doesDwarfRequireFrameSection()) return; - int stackGrowth = - Asm->TM.getFrameInfo()->getStackGrowthDirection() == - TargetFrameInfo::StackGrowsUp ? - TD->getPointerSize() : -TD->getPointerSize(); + int stackGrowth = Asm->getTargetData().getPointerSize(); + if (Asm->TM.getFrameInfo()->getStackGrowthDirection() == + TargetFrameInfo::StackGrowsDown) + stackGrowth *= -1; // Start the dwarf frame section. Asm->OutStreamer.SwitchSection( Asm->getObjFileLowering().getDwarfFrameSection()); - Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common")); Asm->OutStreamer.AddComment("Length of Common Information Entry"); - EmitDifference(getTempLabel("debug_frame_common_end"), - getTempLabel("debug_frame_common_begin"), true); + Asm->EmitLabelDifference(Asm->GetTempSymbol("debug_frame_common_end"), + Asm->GetTempSymbol("debug_frame_common_begin"), 4); - Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_begin")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common_begin")); Asm->OutStreamer.AddComment("CIE Identifier Tag"); Asm->EmitInt32((int)dwarf::DW_CIE_ID); Asm->OutStreamer.AddComment("CIE Version"); Asm->EmitInt8(dwarf::DW_CIE_VERSION); Asm->OutStreamer.AddComment("CIE Augmentation"); Asm->OutStreamer.EmitIntValue(0, 1, /*addrspace*/0); // nul terminator. - EmitULEB128(1, "CIE Code Alignment Factor"); - EmitSLEB128(stackGrowth, "CIE Data Alignment Factor"); + Asm->EmitULEB128(1, "CIE Code Alignment Factor"); + Asm->EmitSLEB128(stackGrowth, "CIE Data Alignment Factor"); Asm->OutStreamer.AddComment("CIE RA Column"); + const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); Asm->EmitInt8(RI->getDwarfRegNum(RI->getRARegister(), false)); std::vector<MachineMove> Moves; RI->getInitialFrameState(Moves); - EmitFrameMoves(0, Moves, false); + Asm->EmitFrameMoves(Moves, 0, false); Asm->EmitAlignment(2, 0, 0, false); - Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_end")); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common_end")); } /// emitFunctionDebugFrame - Emit per function frame info into a debug frame /// section. void DwarfDebug:: emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo) { - if (!MAI->doesDwarfRequireFrameSection()) + if (!Asm->MAI->doesDwarfRequireFrameSection()) return; // Start the dwarf frame section. @@ -2866,27 +2917,30 @@ emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo) { Asm->OutStreamer.AddComment("Length of Frame Information Entry"); MCSymbol *DebugFrameBegin = - getDWLabel("debug_frame_begin", DebugFrameInfo.Number); + Asm->GetTempSymbol("debug_frame_begin", DebugFrameInfo.Number); MCSymbol *DebugFrameEnd = - getDWLabel("debug_frame_end", DebugFrameInfo.Number); - EmitDifference(DebugFrameEnd, DebugFrameBegin, true); + Asm->GetTempSymbol("debug_frame_end", DebugFrameInfo.Number); + Asm->EmitLabelDifference(DebugFrameEnd, DebugFrameBegin, 4); Asm->OutStreamer.EmitLabel(DebugFrameBegin); Asm->OutStreamer.AddComment("FDE CIE offset"); - EmitSectionOffset(getTempLabel("debug_frame_common"), - getTempLabel("section_debug_frame"), true); + Asm->EmitSectionOffset(Asm->GetTempSymbol("debug_frame_common"), + DwarfFrameSectionSym); Asm->OutStreamer.AddComment("FDE initial location"); - MCSymbol *FuncBeginSym = getDWLabel("func_begin", DebugFrameInfo.Number); + MCSymbol *FuncBeginSym = + Asm->GetTempSymbol("func_begin", DebugFrameInfo.Number); Asm->OutStreamer.EmitSymbolValue(FuncBeginSym, - TD->getPointerSize(), 0/*AddrSpace*/); + Asm->getTargetData().getPointerSize(), + 0/*AddrSpace*/); Asm->OutStreamer.AddComment("FDE address range"); - EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number), FuncBeginSym); + Asm->EmitLabelDifference(Asm->GetTempSymbol("func_end",DebugFrameInfo.Number), + FuncBeginSym, Asm->getTargetData().getPointerSize()); - EmitFrameMoves(FuncBeginSym, DebugFrameInfo.Moves, false); + Asm->EmitFrameMoves(DebugFrameInfo.Moves, FuncBeginSym, false); Asm->EmitAlignment(2, 0, 0, false); Asm->OutStreamer.EmitLabel(DebugFrameEnd); @@ -2900,22 +2954,24 @@ void DwarfDebug::emitDebugPubNames() { Asm->getObjFileLowering().getDwarfPubNamesSection()); Asm->OutStreamer.AddComment("Length of Public Names Info"); - EmitDifference(getDWLabel("pubnames_end", ModuleCU->getID()), - getDWLabel("pubnames_begin", ModuleCU->getID()), true); + Asm->EmitLabelDifference( + Asm->GetTempSymbol("pubnames_end", ModuleCU->getID()), + Asm->GetTempSymbol("pubnames_begin", ModuleCU->getID()), 4); - Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_begin", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubnames_begin", + ModuleCU->getID())); Asm->OutStreamer.AddComment("DWARF Version"); Asm->EmitInt16(dwarf::DWARF_VERSION); Asm->OutStreamer.AddComment("Offset of Compilation Unit Info"); - EmitSectionOffset(getDWLabel("info_begin", ModuleCU->getID()), - getTempLabel("section_info"), true); + Asm->EmitSectionOffset(Asm->GetTempSymbol("info_begin", ModuleCU->getID()), + DwarfInfoSectionSym); Asm->OutStreamer.AddComment("Compilation Unit Length"); - EmitDifference(getDWLabel("info_end", ModuleCU->getID()), - getDWLabel("info_begin", ModuleCU->getID()), - true); + Asm->EmitLabelDifference(Asm->GetTempSymbol("info_end", ModuleCU->getID()), + Asm->GetTempSymbol("info_begin", ModuleCU->getID()), + 4); const StringMap<DIE*> &Globals = ModuleCU->getGlobals(); for (StringMap<DIE*>::const_iterator @@ -2926,14 +2982,15 @@ void DwarfDebug::emitDebugPubNames() { Asm->OutStreamer.AddComment("DIE offset"); Asm->EmitInt32(Entity->getOffset()); - if (Asm->VerboseAsm) + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("External Name"); Asm->OutStreamer.EmitBytes(StringRef(Name, strlen(Name)+1), 0); } Asm->OutStreamer.AddComment("End Mark"); Asm->EmitInt32(0); - Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_end", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubnames_end", + ModuleCU->getID())); } void DwarfDebug::emitDebugPubTypes() { @@ -2941,22 +2998,24 @@ void DwarfDebug::emitDebugPubTypes() { Asm->OutStreamer.SwitchSection( Asm->getObjFileLowering().getDwarfPubTypesSection()); Asm->OutStreamer.AddComment("Length of Public Types Info"); - EmitDifference(getDWLabel("pubtypes_end", ModuleCU->getID()), - getDWLabel("pubtypes_begin", ModuleCU->getID()), true); + Asm->EmitLabelDifference( + Asm->GetTempSymbol("pubtypes_end", ModuleCU->getID()), + Asm->GetTempSymbol("pubtypes_begin", ModuleCU->getID()), 4); - Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_begin", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubtypes_begin", + ModuleCU->getID())); - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("DWARF Version"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("DWARF Version"); Asm->EmitInt16(dwarf::DWARF_VERSION); Asm->OutStreamer.AddComment("Offset of Compilation ModuleCU Info"); - EmitSectionOffset(getDWLabel("info_begin", ModuleCU->getID()), - getTempLabel("section_info"), true); + Asm->EmitSectionOffset(Asm->GetTempSymbol("info_begin", ModuleCU->getID()), + DwarfInfoSectionSym); Asm->OutStreamer.AddComment("Compilation ModuleCU Length"); - EmitDifference(getDWLabel("info_end", ModuleCU->getID()), - getDWLabel("info_begin", ModuleCU->getID()), - true); + Asm->EmitLabelDifference(Asm->GetTempSymbol("info_end", ModuleCU->getID()), + Asm->GetTempSymbol("info_begin", ModuleCU->getID()), + 4); const StringMap<DIE*> &Globals = ModuleCU->getGlobalTypes(); for (StringMap<DIE*>::const_iterator @@ -2964,16 +3023,17 @@ void DwarfDebug::emitDebugPubTypes() { const char *Name = GI->getKeyData(); DIE * Entity = GI->second; - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("DIE offset"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("DIE offset"); Asm->EmitInt32(Entity->getOffset()); - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("External Name"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("External Name"); Asm->OutStreamer.EmitBytes(StringRef(Name, GI->getKeyLength()+1), 0); } Asm->OutStreamer.AddComment("End Mark"); Asm->EmitInt32(0); - Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_end", ModuleCU->getID())); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubtypes_end", + ModuleCU->getID())); } /// emitDebugStr - Emit visible names into a debug str section. @@ -3059,7 +3119,7 @@ void DwarfDebug::emitDebugMacInfo() { /// __debug_info section, and the low_pc is the starting address for the /// inlining instance. void DwarfDebug::emitDebugInlineInfo() { - if (!MAI->doesDwarfUsesInlineInfoSection()) + if (!Asm->MAI->doesDwarfUsesInlineInfoSection()) return; if (!ModuleCU) @@ -3069,15 +3129,15 @@ void DwarfDebug::emitDebugInlineInfo() { Asm->getObjFileLowering().getDwarfDebugInlineSection()); Asm->OutStreamer.AddComment("Length of Debug Inlined Information Entry"); - EmitDifference(getDWLabel("debug_inlined_end", 1), - getDWLabel("debug_inlined_begin", 1), true); + Asm->EmitLabelDifference(Asm->GetTempSymbol("debug_inlined_end", 1), + Asm->GetTempSymbol("debug_inlined_begin", 1), 4); - Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_begin", 1)); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_inlined_begin", 1)); Asm->OutStreamer.AddComment("Dwarf Version"); Asm->EmitInt16(dwarf::DWARF_VERSION); Asm->OutStreamer.AddComment("Address Size (in bytes)"); - Asm->EmitInt8(TD->getPointerSize()); + Asm->EmitInt8(Asm->getTargetData().getPointerSize()); for (SmallVector<MDNode *, 4>::iterator I = InlinedSPNodes.begin(), E = InlinedSPNodes.end(); I != E; ++I) { @@ -3095,23 +3155,23 @@ void DwarfDebug::emitDebugInlineInfo() { Asm->OutStreamer.EmitBytes(Name, 0); Asm->OutStreamer.EmitIntValue(0, 1, 0); // nul terminator. } else - EmitSectionOffset(getStringPoolEntry(getRealLinkageName(LName)), - getTempLabel("section_str"), true); + Asm->EmitSectionOffset(getStringPoolEntry(getRealLinkageName(LName)), + DwarfStrSectionSym); Asm->OutStreamer.AddComment("Function name"); - EmitSectionOffset(getStringPoolEntry(Name), getTempLabel("section_str"), - true); - EmitULEB128(Labels.size(), "Inline count"); + Asm->EmitSectionOffset(getStringPoolEntry(Name), DwarfStrSectionSym); + Asm->EmitULEB128(Labels.size(), "Inline count"); for (SmallVector<InlineInfoLabels, 4>::iterator LI = Labels.begin(), LE = Labels.end(); LI != LE; ++LI) { - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("DIE offset"); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("DIE offset"); Asm->EmitInt32(LI->second->getOffset()); - if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("low_pc"); - Asm->OutStreamer.EmitSymbolValue(LI->first, TD->getPointerSize(), 0); + if (Asm->isVerbose()) Asm->OutStreamer.AddComment("low_pc"); + Asm->OutStreamer.EmitSymbolValue(LI->first, + Asm->getTargetData().getPointerSize(),0); } } - Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_end", 1)); + Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_inlined_end", 1)); } |
