diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCAsmStreamer.cpp')
| -rw-r--r-- | contrib/llvm/lib/MC/MCAsmStreamer.cpp | 310 |
1 files changed, 125 insertions, 185 deletions
diff --git a/contrib/llvm/lib/MC/MCAsmStreamer.cpp b/contrib/llvm/lib/MC/MCAsmStreamer.cpp index 9e86785..ca49f8f 100644 --- a/contrib/llvm/lib/MC/MCAsmStreamer.cpp +++ b/contrib/llvm/lib/MC/MCAsmStreamer.cpp @@ -25,11 +25,12 @@ #include "llvm/MC/MCSectionCOFF.h" #include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCSymbol.h" +#include "llvm/Support/CommandLine.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/Format.h" #include "llvm/Support/FormattedStream.h" #include "llvm/Support/MathExtras.h" -#include "llvm/Support/PathV2.h" +#include "llvm/Support/Path.h" #include <cctype> using namespace llvm; @@ -38,7 +39,7 @@ namespace { class MCAsmStreamer : public MCStreamer { protected: formatted_raw_ostream &OS; - const MCAsmInfo &MAI; + const MCAsmInfo *MAI; private: OwningPtr<MCInstPrinter> InstPrinter; OwningPtr<MCCodeEmitter> Emitter; @@ -65,17 +66,15 @@ private: virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame); public: - MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os, - bool isVerboseAsm, bool useLoc, bool useCFI, - bool useDwarfDirectory, - MCInstPrinter *printer, MCCodeEmitter *emitter, - MCAsmBackend *asmbackend, - bool showInst) - : MCStreamer(SK_AsmStreamer, Context), OS(os), MAI(Context.getAsmInfo()), - InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend), - CommentStream(CommentToEmit), IsVerboseAsm(isVerboseAsm), - ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI), - UseDwarfDirectory(useDwarfDirectory) { + MCAsmStreamer(MCContext &Context, MCTargetStreamer *TargetStreamer, + formatted_raw_ostream &os, bool isVerboseAsm, bool useLoc, + bool useCFI, bool useDwarfDirectory, MCInstPrinter *printer, + MCCodeEmitter *emitter, MCAsmBackend *asmbackend, bool showInst) + : MCStreamer(Context, TargetStreamer), OS(os), MAI(Context.getAsmInfo()), + InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend), + CommentStream(CommentToEmit), IsVerboseAsm(isVerboseAsm), + ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI), + UseDwarfDirectory(useDwarfDirectory) { if (InstPrinter && IsVerboseAsm) InstPrinter->setCommentStream(CommentStream); } @@ -154,7 +153,7 @@ public: virtual void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel, const MCSymbol *Label); - virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute); + virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute); virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue); virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol); @@ -180,12 +179,10 @@ public: virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment = 0); - virtual void EmitBytes(StringRef Data, unsigned AddrSpace); + virtual void EmitBytes(StringRef Data); - virtual void EmitValueImpl(const MCExpr *Value, unsigned Size, - unsigned AddrSpace); - virtual void EmitIntValue(uint64_t Value, unsigned Size, - unsigned AddrSpace = 0); + virtual void EmitValueImpl(const MCExpr *Value, unsigned Size); + virtual void EmitIntValue(uint64_t Value, unsigned Size); virtual void EmitULEB128Value(const MCExpr *Value); @@ -196,8 +193,7 @@ public: virtual void EmitGPRel32Value(const MCExpr *Value); - virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue, - unsigned AddrSpace); + virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue); virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0, unsigned ValueSize = 1, @@ -217,6 +213,7 @@ public: unsigned Isa, unsigned Discriminator, StringRef FileName); + virtual void EmitIdent(StringRef IdentString); virtual void EmitCFISections(bool EH, bool Debug); virtual void EmitCFIDefCfa(int64_t Register, int64_t Offset); virtual void EmitCFIDefCfaOffset(int64_t Offset); @@ -232,6 +229,7 @@ public: virtual void EmitCFISignalFrame(); virtual void EmitCFIUndefined(int64_t Register); virtual void EmitCFIRegister(int64_t Register1, int64_t Register2); + virtual void EmitCFIWindowSave(); virtual void EmitWin64EHStartProc(const MCSymbol *Symbol); virtual void EmitWin64EHEndProc(); @@ -248,17 +246,6 @@ public: virtual void EmitWin64EHPushFrame(bool Code); virtual void EmitWin64EHEndProlog(); - virtual void EmitFnStart(); - virtual void EmitFnEnd(); - virtual void EmitCantUnwind(); - virtual void EmitPersonality(const MCSymbol *Personality); - virtual void EmitHandlerData(); - virtual void EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset = 0); - virtual void EmitPad(int64_t Offset); - virtual void EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool); - - virtual void EmitTCEntry(const MCSymbol &S); - virtual void EmitInstruction(const MCInst &Inst); virtual void EmitBundleAlignMode(unsigned AlignPow2); @@ -268,15 +255,9 @@ public: /// EmitRawText - If this file is backed by an assembly streamer, this dumps /// the specified string in the output .s file. This capability is /// indicated by the hasRawTextSupport() predicate. - virtual void EmitRawText(StringRef String); + virtual void EmitRawTextImpl(StringRef String); virtual void FinishImpl(); - - /// @} - - static bool classof(const MCStreamer *S) { - return S->getKind() == SK_AsmStreamer; - } }; } // end anonymous namespace. @@ -312,9 +293,9 @@ void MCAsmStreamer::EmitCommentsAndEOL() { "Comment array not newline terminated"); do { // Emit a line of comments. - OS.PadToColumn(MAI.getCommentColumn()); + OS.PadToColumn(MAI->getCommentColumn()); size_t Position = Comments.find('\n'); - OS << MAI.getCommentString() << ' ' << Comments.substr(0, Position) << '\n'; + OS << MAI->getCommentString() << ' ' << Comments.substr(0, Position) <<'\n'; Comments = Comments.substr(Position+1); } while (!Comments.empty()); @@ -332,7 +313,7 @@ static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) { void MCAsmStreamer::ChangeSection(const MCSection *Section, const MCExpr *Subsection) { assert(Section && "Cannot switch to a null section!"); - Section->PrintSwitchToSection(MAI, OS, Subsection); + Section->PrintSwitchToSection(*MAI, OS, Subsection); } void MCAsmStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, @@ -354,7 +335,7 @@ void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) { assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); MCStreamer::EmitLabel(Symbol); - OS << *Symbol << MAI.getLabelSuffix(); + OS << *Symbol << MAI->getLabelSuffix(); EmitEOL(); } @@ -362,7 +343,7 @@ void MCAsmStreamer::EmitDebugLabel(MCSymbol *Symbol) { assert(Symbol->isUndefined() && "Cannot define a symbol twice!"); MCStreamer::EmitDebugLabel(Symbol); - OS << *Symbol << MAI.getDebugLabelSuffix(); + OS << *Symbol << MAI->getDebugLabelSuffix(); EmitEOL(); } @@ -370,9 +351,9 @@ void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) { switch (Flag) { case MCAF_SyntaxUnified: OS << "\t.syntax unified"; break; case MCAF_SubsectionsViaSymbols: OS << ".subsections_via_symbols"; break; - case MCAF_Code16: OS << '\t'<< MAI.getCode16Directive(); break; - case MCAF_Code32: OS << '\t'<< MAI.getCode32Directive(); break; - case MCAF_Code64: OS << '\t'<< MAI.getCode64Directive(); break; + case MCAF_Code16: OS << '\t'<< MAI->getCode16Directive();break; + case MCAF_Code32: OS << '\t'<< MAI->getCode32Directive();break; + case MCAF_Code64: OS << '\t'<< MAI->getCode64Directive();break; } EmitEOL(); } @@ -388,9 +369,7 @@ void MCAsmStreamer::EmitLinkerOptions(ArrayRef<std::string> Options) { } void MCAsmStreamer::EmitDataRegion(MCDataRegionType Kind) { - MCContext &Ctx = getContext(); - const MCAsmInfo &MAI = Ctx.getAsmInfo(); - if (!MAI.doesSupportDataRegionDirectives()) + if (!MAI->doesSupportDataRegionDirectives()) return; switch (Kind) { case MCDR_DataRegion: OS << "\t.data_region"; break; @@ -407,7 +386,7 @@ void MCAsmStreamer::EmitThumbFunc(MCSymbol *Func) { // MCSymbols when they have spaces in them. OS << "\t.thumb_func"; // Only Mach-O hasSubsectionsViaSymbols() - if (MAI.hasSubsectionsViaSymbols()) + if (MAI->hasSubsectionsViaSymbols()) OS << '\t' << *Func; EmitEOL(); } @@ -441,7 +420,7 @@ void MCAsmStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel, } -void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol, +bool MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) { switch (Attribute) { case MCSA_Invalid: llvm_unreachable("Invalid symbol attribute"); @@ -452,11 +431,12 @@ void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol, case MCSA_ELF_TypeCommon: /// .type _foo, STT_COMMON # aka @common case MCSA_ELF_TypeNoType: /// .type _foo, STT_NOTYPE # aka @notype case MCSA_ELF_TypeGnuUniqueObject: /// .type _foo, @gnu_unique_object - assert(MAI.hasDotTypeDotSizeDirective() && "Symbol Attr not supported"); + if (!MAI->hasDotTypeDotSizeDirective()) + return false; // Symbol attribute not supported OS << "\t.type\t" << *Symbol << ',' - << ((MAI.getCommentString()[0] != '@') ? '@' : '%'); + << ((MAI->getCommentString()[0] != '@') ? '@' : '%'); switch (Attribute) { - default: llvm_unreachable("Unknown ELF .type"); + default: return false; case MCSA_ELF_TypeFunction: OS << "function"; break; case MCSA_ELF_TypeIndFunction: OS << "gnu_indirect_function"; break; case MCSA_ELF_TypeObject: OS << "object"; break; @@ -466,9 +446,9 @@ void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol, case MCSA_ELF_TypeGnuUniqueObject: OS << "gnu_unique_object"; break; } EmitEOL(); - return; + return true; case MCSA_Global: // .globl/.global - OS << MAI.getGlobalDirective(); + OS << MAI->getGlobalDirective(); FlagMap[Symbol] |= EHGlobal; break; case MCSA_Hidden: OS << "\t.hidden\t"; break; @@ -490,12 +470,14 @@ void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol, FlagMap[Symbol] |= EHWeakDefinition; break; // .weak_reference - case MCSA_WeakReference: OS << MAI.getWeakRefDirective(); break; + case MCSA_WeakReference: OS << MAI->getWeakRefDirective(); break; case MCSA_WeakDefAutoPrivate: OS << "\t.weak_def_can_be_hidden\t"; break; } OS << *Symbol; EmitEOL(); + + return true; } void MCAsmStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) { @@ -529,15 +511,18 @@ void MCAsmStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { } void MCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) { - assert(MAI.hasDotTypeDotSizeDirective()); + assert(MAI->hasDotTypeDotSizeDirective()); OS << "\t.size\t" << *Symbol << ", " << *Value << '\n'; } void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment) { + // Common symbols do not belong to any actual section. + AssignSection(Symbol, NULL); + OS << "\t.comm\t" << *Symbol << ',' << Size; if (ByteAlignment != 0) { - if (MAI.getCOMMDirectiveAlignmentIsInBytes()) + if (MAI->getCOMMDirectiveAlignmentIsInBytes()) OS << ',' << ByteAlignment; else OS << ',' << Log2_32(ByteAlignment); @@ -551,9 +536,12 @@ void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size, /// @param Size - The size of the common symbol. void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size, unsigned ByteAlign) { + // Common symbols do not belong to any actual section. + AssignSection(Symbol, NULL); + OS << "\t.lcomm\t" << *Symbol << ',' << Size; if (ByteAlign > 1) { - switch (MAI.getLCOMMDirectiveAlignmentType()) { + switch (MAI->getLCOMMDirectiveAlignmentType()) { case LCOMM::NoAlignment: llvm_unreachable("alignment not supported on .lcomm!"); case LCOMM::ByteAlignment: @@ -570,6 +558,9 @@ void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size, void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment) { + if (Symbol) + AssignSection(Symbol, Section); + // Note: a .zerofill directive does not switch sections. OS << ".zerofill "; @@ -590,6 +581,8 @@ void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol, // e.g. _a. void MCAsmStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment) { + AssignSection(Symbol, Section); + assert(Symbol != NULL && "Symbol shouldn't be NULL!"); // Instead of using the Section we'll just use the shortcut. // This is a mach-o specific directive and section. @@ -638,13 +631,13 @@ static void PrintQuotedString(StringRef Data, raw_ostream &OS) { } -void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) { +void MCAsmStreamer::EmitBytes(StringRef Data) { assert(getCurrentSection().first && "Cannot emit contents before setting section!"); if (Data.empty()) return; if (Data.size() == 1) { - OS << MAI.getData8bitsDirective(AddrSpace); + OS << MAI->getData8bitsDirective(); OS << (unsigned)(unsigned char)Data[0]; EmitEOL(); return; @@ -652,46 +645,43 @@ void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) { // If the data ends with 0 and the target supports .asciz, use it, otherwise // use .ascii - if (MAI.getAscizDirective() && Data.back() == 0) { - OS << MAI.getAscizDirective(); + if (MAI->getAscizDirective() && Data.back() == 0) { + OS << MAI->getAscizDirective(); Data = Data.substr(0, Data.size()-1); } else { - OS << MAI.getAsciiDirective(); + OS << MAI->getAsciiDirective(); } - OS << ' '; PrintQuotedString(Data, OS); EmitEOL(); } -void MCAsmStreamer::EmitIntValue(uint64_t Value, unsigned Size, - unsigned AddrSpace) { - EmitValue(MCConstantExpr::Create(Value, getContext()), Size, AddrSpace); +void MCAsmStreamer::EmitIntValue(uint64_t Value, unsigned Size) { + EmitValue(MCConstantExpr::Create(Value, getContext()), Size); } -void MCAsmStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size, - unsigned AddrSpace) { +void MCAsmStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size) { assert(getCurrentSection().first && "Cannot emit contents before setting section!"); const char *Directive = 0; switch (Size) { default: break; - case 1: Directive = MAI.getData8bitsDirective(AddrSpace); break; - case 2: Directive = MAI.getData16bitsDirective(AddrSpace); break; - case 4: Directive = MAI.getData32bitsDirective(AddrSpace); break; + case 1: Directive = MAI->getData8bitsDirective(); break; + case 2: Directive = MAI->getData16bitsDirective(); break; + case 4: Directive = MAI->getData32bitsDirective(); break; case 8: - Directive = MAI.getData64bitsDirective(AddrSpace); + Directive = MAI->getData64bitsDirective(); // If the target doesn't support 64-bit data, emit as two 32-bit halves. if (Directive) break; int64_t IntValue; if (!Value->EvaluateAsAbsolute(IntValue)) report_fatal_error("Don't know how to emit this value."); - if (getContext().getAsmInfo().isLittleEndian()) { - EmitIntValue((uint32_t)(IntValue >> 0 ), 4, AddrSpace); - EmitIntValue((uint32_t)(IntValue >> 32), 4, AddrSpace); + if (MAI->isLittleEndian()) { + EmitIntValue((uint32_t)(IntValue >> 0 ), 4); + EmitIntValue((uint32_t)(IntValue >> 32), 4); } else { - EmitIntValue((uint32_t)(IntValue >> 32), 4, AddrSpace); - EmitIntValue((uint32_t)(IntValue >> 0 ), 4, AddrSpace); + EmitIntValue((uint32_t)(IntValue >> 32), 4); + EmitIntValue((uint32_t)(IntValue >> 0 ), 4); } return; } @@ -707,7 +697,7 @@ void MCAsmStreamer::EmitULEB128Value(const MCExpr *Value) { EmitULEB128IntValue(IntValue); return; } - assert(MAI.hasLEB128() && "Cannot print a .uleb"); + assert(MAI->hasLEB128() && "Cannot print a .uleb"); OS << ".uleb128 " << *Value; EmitEOL(); } @@ -718,41 +708,39 @@ void MCAsmStreamer::EmitSLEB128Value(const MCExpr *Value) { EmitSLEB128IntValue(IntValue); return; } - assert(MAI.hasLEB128() && "Cannot print a .sleb"); + assert(MAI->hasLEB128() && "Cannot print a .sleb"); OS << ".sleb128 " << *Value; EmitEOL(); } void MCAsmStreamer::EmitGPRel64Value(const MCExpr *Value) { - assert(MAI.getGPRel64Directive() != 0); - OS << MAI.getGPRel64Directive() << *Value; + assert(MAI->getGPRel64Directive() != 0); + OS << MAI->getGPRel64Directive() << *Value; EmitEOL(); } void MCAsmStreamer::EmitGPRel32Value(const MCExpr *Value) { - assert(MAI.getGPRel32Directive() != 0); - OS << MAI.getGPRel32Directive() << *Value; + assert(MAI->getGPRel32Directive() != 0); + OS << MAI->getGPRel32Directive() << *Value; EmitEOL(); } /// EmitFill - Emit NumBytes bytes worth of the value specified by /// FillValue. This implements directives such as '.space'. -void MCAsmStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, - unsigned AddrSpace) { +void MCAsmStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue) { if (NumBytes == 0) return; - if (AddrSpace == 0) - if (const char *ZeroDirective = MAI.getZeroDirective()) { - OS << ZeroDirective << NumBytes; - if (FillValue != 0) - OS << ',' << (int)FillValue; - EmitEOL(); - return; - } + if (const char *ZeroDirective = MAI->getZeroDirective()) { + OS << ZeroDirective << NumBytes; + if (FillValue != 0) + OS << ',' << (int)FillValue; + EmitEOL(); + return; + } // Emit a byte at a time. - MCStreamer::EmitFill(NumBytes, FillValue, AddrSpace); + MCStreamer::EmitFill(NumBytes, FillValue); } void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value, @@ -763,14 +751,14 @@ void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value, if (isPowerOf2_32(ByteAlignment)) { switch (ValueSize) { default: llvm_unreachable("Invalid size for machine code value!"); - case 1: OS << MAI.getAlignDirective(); break; + case 1: OS << MAI->getAlignDirective(); break; // FIXME: use MAI for this! case 2: OS << ".p2alignw "; break; case 4: OS << ".p2alignl "; break; case 8: llvm_unreachable("Unsupported alignment size!"); } - if (MAI.getAlignmentIsInBytes()) + if (MAI->getAlignmentIsInBytes()) OS << ByteAlignment; else OS << Log2_32(ByteAlignment); @@ -806,7 +794,7 @@ void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value, void MCAsmStreamer::EmitCodeAlignment(unsigned ByteAlignment, unsigned MaxBytesToEmit) { // Emit with a text fill value. - EmitValueToAlignment(ByteAlignment, MAI.getTextAlignFillValue(), + EmitValueToAlignment(ByteAlignment, MAI->getTextAlignFillValue(), 1, MaxBytesToEmit); } @@ -820,7 +808,7 @@ bool MCAsmStreamer::EmitValueToOffset(const MCExpr *Offset, void MCAsmStreamer::EmitFileDirective(StringRef Filename) { - assert(MAI.hasSingleParameterDotFile()); + assert(MAI->hasSingleParameterDotFile()); OS << "\t.file\t"; PrintQuotedString(Filename, OS); EmitEOL(); @@ -886,13 +874,20 @@ void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, OS << "discriminator " << Discriminator; if (IsVerboseAsm) { - OS.PadToColumn(MAI.getCommentColumn()); - OS << MAI.getCommentString() << ' ' << FileName << ':' + OS.PadToColumn(MAI->getCommentColumn()); + OS << MAI->getCommentString() << ' ' << FileName << ':' << Line << ':' << Column; } EmitEOL(); } +void MCAsmStreamer::EmitIdent(StringRef IdentString) { + assert(MAI->hasIdentDirective() && ".ident directive not supported"); + OS << "\t.ident\t"; + PrintQuotedString(IdentString, OS); + EmitEOL(); +} + void MCAsmStreamer::EmitCFISections(bool EH, bool Debug) { MCStreamer::EmitCFISections(EH, Debug); @@ -936,9 +931,9 @@ void MCAsmStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { } void MCAsmStreamer::EmitRegisterName(int64_t Register) { - if (InstPrinter && !MAI.useDwarfRegNumForCFI()) { - const MCRegisterInfo &MRI = getContext().getRegisterInfo(); - unsigned LLVMRegister = MRI.getLLVMRegNum(Register, true); + if (InstPrinter && !MAI->useDwarfRegNumForCFI()) { + const MCRegisterInfo *MRI = getContext().getRegisterInfo(); + unsigned LLVMRegister = MRI->getLLVMRegNum(Register, true); InstPrinter->printRegName(OS, LLVMRegister); } else { OS << Register; @@ -1094,6 +1089,16 @@ void MCAsmStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { EmitEOL(); } +void MCAsmStreamer::EmitCFIWindowSave() { + MCStreamer::EmitCFIWindowSave(); + + if (!UseCFI) + return; + + OS << "\t.cfi_window_save"; + EmitEOL(); +} + void MCAsmStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { MCStreamer::EmitWin64EHStartProc(Symbol); @@ -1276,7 +1281,7 @@ void MCAsmStreamer::AddEncodingComment(const MCInst &Inst) { unsigned Bit = (Code[i] >> j) & 1; unsigned FixupBit; - if (getContext().getAsmInfo().isLittleEndian()) + if (MAI->isLittleEndian()) FixupBit = i * 8 + j; else FixupBit = i * 8 + (7-j); @@ -1299,73 +1304,6 @@ void MCAsmStreamer::AddEncodingComment(const MCInst &Inst) { } } -void MCAsmStreamer::EmitFnStart() { - OS << "\t.fnstart"; - EmitEOL(); -} - -void MCAsmStreamer::EmitFnEnd() { - OS << "\t.fnend"; - EmitEOL(); -} - -void MCAsmStreamer::EmitCantUnwind() { - OS << "\t.cantunwind"; - EmitEOL(); -} - -void MCAsmStreamer::EmitHandlerData() { - OS << "\t.handlerdata"; - EmitEOL(); -} - -void MCAsmStreamer::EmitPersonality(const MCSymbol *Personality) { - OS << "\t.personality " << Personality->getName(); - EmitEOL(); -} - -void MCAsmStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { - OS << "\t.setfp\t"; - InstPrinter->printRegName(OS, FpReg); - OS << ", "; - InstPrinter->printRegName(OS, SpReg); - if (Offset) - OS << ", #" << Offset; - EmitEOL(); -} - -void MCAsmStreamer::EmitPad(int64_t Offset) { - OS << "\t.pad\t#" << Offset; - EmitEOL(); -} - -void MCAsmStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, - bool isVector) { - assert(RegList.size() && "RegList should not be empty"); - if (isVector) - OS << "\t.vsave\t{"; - else - OS << "\t.save\t{"; - - InstPrinter->printRegName(OS, RegList[0]); - - for (unsigned i = 1, e = RegList.size(); i != e; ++i) { - OS << ", "; - InstPrinter->printRegName(OS, RegList[i]); - } - - OS << "}"; - EmitEOL(); -} - -void MCAsmStreamer::EmitTCEntry(const MCSymbol &S) { - OS << "\t.tc "; - OS << S.getName(); - OS << "[TC],"; - OS << S.getName(); - EmitEOL(); -} - void MCAsmStreamer::EmitInstruction(const MCInst &Inst) { assert(getCurrentSection().first && "Cannot emit contents before setting section!"); @@ -1376,7 +1314,7 @@ void MCAsmStreamer::EmitInstruction(const MCInst &Inst) { // Show the MCInst if enabled. if (ShowInst) { - Inst.dump_pretty(GetCommentOS(), &MAI, InstPrinter.get(), "\n "); + Inst.dump_pretty(GetCommentOS(), MAI, InstPrinter.get(), "\n "); GetCommentOS() << "\n"; } @@ -1384,7 +1322,7 @@ void MCAsmStreamer::EmitInstruction(const MCInst &Inst) { if (InstPrinter) InstPrinter->printInst(&Inst, OS, ""); else - Inst.print(OS, &MAI); + Inst.print(OS, MAI); EmitEOL(); } @@ -1408,7 +1346,7 @@ void MCAsmStreamer::EmitBundleUnlock() { /// EmitRawText - If this file is backed by an assembly streamer, this dumps /// the specified string in the output .s file. This capability is /// indicated by the hasRawTextSupport() predicate. -void MCAsmStreamer::EmitRawText(StringRef String) { +void MCAsmStreamer::EmitRawTextImpl(StringRef String) { if (!String.empty() && String.back() == '\n') String = String.substr(0, String.size()-1); OS << String; @@ -1427,14 +1365,16 @@ void MCAsmStreamer::FinishImpl() { MCGenDwarfInfo::Emit(this, LineSectionSymbol); if (!UseCFI) - EmitFrames(false); + EmitFrames(AsmBackend.get(), false); } + MCStreamer *llvm::createAsmStreamer(MCContext &Context, + MCTargetStreamer *TargetStreamer, formatted_raw_ostream &OS, - bool isVerboseAsm, bool useLoc, - bool useCFI, bool useDwarfDirectory, - MCInstPrinter *IP, MCCodeEmitter *CE, - MCAsmBackend *MAB, bool ShowInst) { - return new MCAsmStreamer(Context, OS, isVerboseAsm, useLoc, useCFI, - useDwarfDirectory, IP, CE, MAB, ShowInst); + bool isVerboseAsm, bool useLoc, bool useCFI, + bool useDwarfDirectory, MCInstPrinter *IP, + MCCodeEmitter *CE, MCAsmBackend *MAB, + bool ShowInst) { + return new MCAsmStreamer(Context, TargetStreamer, OS, isVerboseAsm, useLoc, + useCFI, useDwarfDirectory, IP, CE, MAB, ShowInst); } |
