X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCStreamer.cpp;h=0558a58abfd129904005ff5b2d782d7e9de245e7;hb=f2529ba12735ee13f717352088ed0be2a18973d3;hp=02e1028ada94e45c0c1c9d1b1d2a31d6bf0a5a0f;hpb=c8fec7e21f5c24303eab8a8592f3b8faff347d86;p=oota-llvm.git diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp index 02e1028ada9..0558a58abfd 100644 --- a/lib/MC/MCStreamer.cpp +++ b/lib/MC/MCStreamer.cpp @@ -7,25 +7,39 @@ // //===----------------------------------------------------------------------===// +#include "llvm/MC/MCStreamer.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/Twine.h" +#include "llvm/MC/MCAsmBackend.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" -#include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCObjectFileInfo.h" #include "llvm/MC/MCObjectWriter.h" #include "llvm/MC/MCSymbol.h" #include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/raw_ostream.h" #include "llvm/Support/LEB128.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/ADT/Twine.h" +#include "llvm/Support/raw_ostream.h" #include using namespace llvm; +// Pin the vtables to this file. +MCTargetStreamer::~MCTargetStreamer() {} + +MCTargetStreamer::MCTargetStreamer(MCStreamer &S) : Streamer(S) { + S.setTargetStreamer(this); +} + +void MCTargetStreamer::emitLabel(MCSymbol *Symbol) {} + +void MCTargetStreamer::finish() {} + +void MCTargetStreamer::emitAssignment(MCSymbol *Symbol, const MCExpr *Value) {} + MCStreamer::MCStreamer(MCContext &Ctx) - : Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false), - CurrentW64UnwindInfo(0), LastSymbol(0) { - const MCSection *section = NULL; - SectionStack.push_back(std::make_pair(section, section)); + : Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false), + CurrentW64UnwindInfo(0), LastSymbol(0) { + SectionStack.push_back(std::pair()); } MCStreamer::~MCStreamer() { @@ -33,6 +47,18 @@ MCStreamer::~MCStreamer() { delete W64UnwindInfos[i]; } +void MCStreamer::reset() { + for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) + delete W64UnwindInfos[i]; + W64UnwindInfos.clear(); + EmitEHFrame = true; + EmitDebugFrame = false; + CurrentW64UnwindInfo = 0; + LastSymbol = 0; + SectionStack.clear(); + SectionStack.push_back(std::pair()); +} + const MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, const MCSymbol *A, const MCSymbol *B) { @@ -47,8 +73,8 @@ const MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, } const MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { - if (Context.getAsmInfo().hasAggressiveSymbolFolding() || - isa(Expr)) + assert(!isa(Expr)); + if (Context.getAsmInfo()->hasAggressiveSymbolFolding()) return Expr; MCSymbol *ABS = Context.CreateTempSymbol(); @@ -61,6 +87,15 @@ raw_ostream &MCStreamer::GetCommentOS() { return nulls(); } +void MCStreamer::emitRawComment(const Twine &T, bool TabPrefix) {} + +void MCStreamer::generateCompactUnwindEncodings(MCAsmBackend *MAB) { + for (std::vector::iterator I = FrameInfos.begin(), + E = FrameInfos.end(); I != E; ++I) + I->CompactUnwindEncoding = + (MAB ? MAB->generateCompactUnwindEncoding(I->Instructions) : 0); +} + void MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label, int PointerSize) { // emit the sequence to set the address @@ -75,55 +110,49 @@ void MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, /// EmitIntValue - Special case of EmitValue that avoids the client having to /// pass in a MCExpr for constant integers. -void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size, - unsigned AddrSpace) { +void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size) { assert(Size <= 8 && "Invalid size"); assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && "Invalid size"); char buf[8]; - const bool isLittleEndian = Context.getAsmInfo().isLittleEndian(); + const bool isLittleEndian = Context.getAsmInfo()->isLittleEndian(); for (unsigned i = 0; i != Size; ++i) { unsigned index = isLittleEndian ? i : (Size - i - 1); buf[i] = uint8_t(Value >> (index * 8)); } - EmitBytes(StringRef(buf, Size), AddrSpace); + EmitBytes(StringRef(buf, Size)); } /// EmitULEB128Value - Special case of EmitULEB128Value that avoids the /// client having to pass in a MCExpr for constant integers. -void MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace, - unsigned Padding) { +void MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned Padding) { SmallString<128> Tmp; raw_svector_ostream OSE(Tmp); encodeULEB128(Value, OSE, Padding); - EmitBytes(OSE.str(), AddrSpace); + EmitBytes(OSE.str()); } /// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the /// client having to pass in a MCExpr for constant integers. -void MCStreamer::EmitSLEB128IntValue(int64_t Value, unsigned AddrSpace) { +void MCStreamer::EmitSLEB128IntValue(int64_t Value) { SmallString<128> Tmp; raw_svector_ostream OSE(Tmp); encodeSLEB128(Value, OSE); - EmitBytes(OSE.str(), AddrSpace); + EmitBytes(OSE.str()); } -void MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size, - unsigned AddrSpace) { +void MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size) { const MCExpr *ABS = ForceExpAbs(Value); - EmitValue(ABS, Size, AddrSpace); + EmitValue(ABS, Size); } -void MCStreamer::EmitValue(const MCExpr *Value, unsigned Size, - unsigned AddrSpace) { - EmitValueImpl(Value, Size, AddrSpace); +void MCStreamer::EmitValue(const MCExpr *Value, unsigned Size) { + EmitValueImpl(Value, Size); } -void MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, - unsigned AddrSpace) { - EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size, - AddrSpace); +void MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size) { + EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size); } void MCStreamer::EmitGPRel64Value(const MCExpr *Value) { @@ -136,17 +165,21 @@ void MCStreamer::EmitGPRel32Value(const MCExpr *Value) { /// EmitFill - Emit NumBytes bytes worth of the value specified by /// FillValue. This implements directives such as '.space'. -void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, - unsigned AddrSpace) { +void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue) { const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); for (uint64_t i = 0, e = NumBytes; i != e; ++i) - EmitValue(E, 1, AddrSpace); + EmitValue(E, 1); +} + +/// The implementation in this class just redirects to EmitFill. +void MCStreamer::EmitZeros(uint64_t NumBytes) { + EmitFill(NumBytes, 0); } -bool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, - StringRef Directory, - StringRef Filename) { - return getContext().GetDwarfFile(Directory, Filename, FileNo) == 0; +unsigned MCStreamer::EmitDwarfFileDirective(unsigned FileNo, + StringRef Directory, + StringRef Filename, unsigned CUID) { + return getContext().GetDwarfFile(Directory, Filename, FileNo, CUID); } void MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, @@ -160,7 +193,7 @@ void MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, MCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { if (FrameInfos.empty()) - return NULL; + return 0; return &FrameInfos.back(); } @@ -174,10 +207,36 @@ void MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, MCSymbol *EHSymbol) { } +void MCStreamer::InitSections() { + SwitchSection(getContext().getObjectFileInfo()->getTextSection()); +} + +void MCStreamer::AssignSection(MCSymbol *Symbol, const MCSection *Section) { + if (Section) + Symbol->setSection(*Section); + else + Symbol->setUndefined(); + + // As we emit symbols into a section, track the order so that they can + // be sorted upon later. Zero is reserved to mean 'unemitted'. + SymbolOrdering[Symbol] = 1 + SymbolOrdering.size(); +} + void MCStreamer::EmitLabel(MCSymbol *Symbol) { assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); - assert(getCurrentSection() && "Cannot emit before setting section!"); - Symbol->setSection(*getCurrentSection()); + assert(getCurrentSection().first && "Cannot emit before setting section!"); + AssignSection(Symbol, getCurrentSection().first); + LastSymbol = Symbol; + + MCTargetStreamer *TS = getTargetStreamer(); + if (TS) + TS->emitLabel(Symbol); +} + +void MCStreamer::EmitDebugLabel(MCSymbol *Symbol) { + assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); + assert(getCurrentSection().first && "Cannot emit before setting section!"); + AssignSection(Symbol, getCurrentSection().first); LastSymbol = Symbol; } @@ -193,12 +252,13 @@ void MCStreamer::EmitCFISections(bool EH, bool Debug) { EmitDebugFrame = Debug; } -void MCStreamer::EmitCFIStartProc() { +void MCStreamer::EmitCFIStartProc(bool IsSimple) { MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); if (CurFrame && !CurFrame->End) report_fatal_error("Starting a frame before finishing the previous one!"); MCDwarfFrameInfo Frame; + Frame.IsSimple = IsSimple; EmitCFIStartProcImpl(Frame); FrameInfos.push_back(Frame); @@ -209,15 +269,9 @@ void MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { void MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { Frame.Function = LastSymbol; - // If the function is externally visible, we need to create a local - // symbol to avoid relocations. - StringRef Prefix = getContext().getAsmInfo().getPrivateGlobalPrefix(); - if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { - Frame.Begin = LastSymbol; - } else { - Frame.Begin = getContext().CreateTempSymbol(); - EmitLabel(Frame.Begin); - } + // We need to create a local symbol to avoid relocations. + Frame.Begin = getContext().CreateTempSymbol(); + EmitLabel(Frame.Begin); } void MCStreamer::EmitCFIEndProc() { @@ -234,69 +288,58 @@ void MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { EmitLabel(Frame.End); } -void MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { +MCSymbol *MCStreamer::EmitCFICommon() { EnsureValidFrame(); - MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); MCSymbol *Label = getContext().CreateTempSymbol(); EmitLabel(Label); - MachineLocation Dest(MachineLocation::VirtualFP); - MachineLocation Source(Register, -Offset); - MCCFIInstruction Instruction(Label, Dest, Source); + return Label; +} + +void MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createDefCfa(Label, Register, Offset); + MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createDefCfaOffset(Label, Offset); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MachineLocation Dest(MachineLocation::VirtualFP); - MachineLocation Source(MachineLocation::VirtualFP, -Offset); - MCCFIInstruction Instruction(Label, Dest, Source); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MachineLocation Dest(MachineLocation::VirtualFP); - MachineLocation Source(MachineLocation::VirtualFP, Adjustment); - MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createDefCfaRegister(Label, Register); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MachineLocation Dest(Register); - MachineLocation Source(MachineLocation::VirtualFP); - MCCFIInstruction Instruction(Label, Dest, Source); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createOffset(Label, Register, Offset); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MachineLocation Dest(Register, Offset); - MachineLocation Source(Register, Offset); - MCCFIInstruction Instruction(Label, Dest, Source); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createRelOffset(Label, Register, Offset); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MachineLocation Dest(Register, Offset); - MachineLocation Source(Register, Offset); - MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); CurFrame->Instructions.push_back(Instruction); } @@ -316,48 +359,40 @@ void MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { } void MCStreamer::EmitCFIRememberState() { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::RememberState, Label); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIRestoreState() { // FIXME: Error if there is no matching cfi_remember_state. - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::RestoreState, Label); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFISameValue(int64_t Register) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createSameValue(Label, Register); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::SameValue, Label, Register); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIRestore(int64_t Register) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createRestore(Label, Register); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::Restore, Label, Register); CurFrame->Instructions.push_back(Instruction); } void MCStreamer::EmitCFIEscape(StringRef Values) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::Escape, Label, Values); CurFrame->Instructions.push_back(Instruction); } @@ -368,11 +403,26 @@ void MCStreamer::EmitCFISignalFrame() { } void MCStreamer::EmitCFIUndefined(int64_t Register) { - EnsureValidFrame(); + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createUndefined(Label, Register); + MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); + CurFrame->Instructions.push_back(Instruction); +} + +void MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createRegister(Label, Register1, Register2); + MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); + CurFrame->Instructions.push_back(Instruction); +} + +void MCStreamer::EmitCFIWindowSave() { + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createWindowSave(Label); MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); - MCSymbol *Label = getContext().CreateTempSymbol(); - EmitLabel(Label); - MCCFIInstruction Instruction(MCCFIInstruction::Undefined, Label, Register); CurFrame->Instructions.push_back(Instruction); } @@ -466,7 +516,9 @@ void MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { report_fatal_error("Frame register and offset already specified!"); if (Offset & 0x0F) report_fatal_error("Misaligned frame pointer offset!"); - MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, NULL, Register, Offset); + MCSymbol *Label = getContext().CreateTempSymbol(); + MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Label, Register, Offset); + EmitLabel(Label); CurFrame->LastFrameInst = CurFrame->Instructions.size(); CurFrame->Instructions.push_back(Inst); } @@ -526,58 +578,18 @@ void MCStreamer::EmitWin64EHEndProlog() { EmitLabel(CurFrame->PrologEnd); } -void MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { +void MCStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) { llvm_unreachable("This file format doesn't support this directive"); } -void MCStreamer::EmitFnStart() { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitFnEnd() { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitCantUnwind() { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitHandlerData() { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitPersonality(const MCSymbol *Personality) { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitPad(int64_t Offset) { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitRegSave(const SmallVectorImpl &RegList, bool) { - errs() << "Not implemented yet\n"; - abort(); -} - -void MCStreamer::EmitTCEntry(const MCSymbol &S) { - llvm_unreachable("Unsupported method"); +void MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { + llvm_unreachable("This file format doesn't support this directive"); } /// 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 MCStreamer::EmitRawText(StringRef String) { +void MCStreamer::EmitRawTextImpl(StringRef String) { errs() << "EmitRawText called on an MCStreamer that doesn't support it, " " something must not be fully mc'ized\n"; abort(); @@ -585,19 +597,18 @@ void MCStreamer::EmitRawText(StringRef String) { void MCStreamer::EmitRawText(const Twine &T) { SmallString<128> Str; - T.toVector(Str); - EmitRawText(Str.str()); + EmitRawTextImpl(T.toStringRef(Str)); } -void MCStreamer::EmitFrames(bool usingCFI) { +void MCStreamer::EmitFrames(MCAsmBackend *MAB, bool usingCFI) { if (!getNumFrameInfos()) return; if (EmitEHFrame) - MCDwarfFrameEmitter::Emit(*this, usingCFI, true); + MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, true); if (EmitDebugFrame) - MCDwarfFrameEmitter::Emit(*this, usingCFI, false); + MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, false); } void MCStreamer::EmitW64Tables() { @@ -611,5 +622,22 @@ void MCStreamer::Finish() { if (!FrameInfos.empty() && !FrameInfos.back().End) report_fatal_error("Unfinished frame!"); + MCTargetStreamer *TS = getTargetStreamer(); + if (TS) + TS->finish(); + FinishImpl(); } + +MCSymbolData &MCStreamer::getOrCreateSymbolData(const MCSymbol *Symbol) { + report_fatal_error("Not supported!"); + return *(static_cast(0)); +} + +void MCStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) { + Symbol->setVariableValue(Value); + + MCTargetStreamer *TS = getTargetStreamer(); + if (TS) + TS->emitAssignment(Symbol, Value); +}