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-rw-r--r--contrib/llvm/lib/MC/MCAsmStreamer.cpp690
1 files changed, 321 insertions, 369 deletions
diff --git a/contrib/llvm/lib/MC/MCAsmStreamer.cpp b/contrib/llvm/lib/MC/MCAsmStreamer.cpp
index ca49f8f..14f0f05 100644
--- a/contrib/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/contrib/llvm/lib/MC/MCAsmStreamer.cpp
@@ -8,8 +8,8 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCStreamer.h"
-#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCAsmBackend.h"
@@ -32,6 +32,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include <cctype>
+#include <unordered_map>
using namespace llvm;
namespace {
@@ -41,44 +42,33 @@ protected:
formatted_raw_ostream &OS;
const MCAsmInfo *MAI;
private:
- OwningPtr<MCInstPrinter> InstPrinter;
- OwningPtr<MCCodeEmitter> Emitter;
- OwningPtr<MCAsmBackend> AsmBackend;
+ std::unique_ptr<MCInstPrinter> InstPrinter;
+ std::unique_ptr<MCCodeEmitter> Emitter;
+ std::unique_ptr<MCAsmBackend> AsmBackend;
SmallString<128> CommentToEmit;
raw_svector_ostream CommentStream;
unsigned IsVerboseAsm : 1;
unsigned ShowInst : 1;
- unsigned UseLoc : 1;
- unsigned UseCFI : 1;
unsigned UseDwarfDirectory : 1;
- enum EHSymbolFlags { EHGlobal = 1,
- EHWeakDefinition = 1 << 1,
- EHPrivateExtern = 1 << 2 };
- DenseMap<const MCSymbol*, unsigned> FlagMap;
-
- bool needsSet(const MCExpr *Value);
-
void EmitRegisterName(int64_t Register);
- virtual void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame);
- virtual void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame);
+ void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) override;
+ void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override;
public:
- 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()),
+ MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os,
+ bool isVerboseAsm, bool useDwarfDirectory,
+ MCInstPrinter *printer, MCCodeEmitter *emitter,
+ MCAsmBackend *asmbackend, bool showInst)
+ : MCStreamer(Context), OS(os), MAI(Context.getAsmInfo()),
InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend),
CommentStream(CommentToEmit), IsVerboseAsm(isVerboseAsm),
- ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI),
- UseDwarfDirectory(useDwarfDirectory) {
+ ShowInst(showInst), UseDwarfDirectory(useDwarfDirectory) {
if (InstPrinter && IsVerboseAsm)
InstPrinter->setCommentStream(CommentStream);
}
- ~MCAsmStreamer() {}
inline void EmitEOL() {
// If we don't have any comments, just emit a \n.
@@ -92,172 +82,163 @@ public:
/// isVerboseAsm - Return true if this streamer supports verbose assembly at
/// all.
- virtual bool isVerboseAsm() const { return IsVerboseAsm; }
+ bool isVerboseAsm() const override { return IsVerboseAsm; }
/// hasRawTextSupport - We support EmitRawText.
- virtual bool hasRawTextSupport() const { return true; }
+ bool hasRawTextSupport() const override { return true; }
/// AddComment - Add a comment that can be emitted to the generated .s
/// file if applicable as a QoI issue to make the output of the compiler
/// more readable. This only affects the MCAsmStreamer, and only when
/// verbose assembly output is enabled.
- virtual void AddComment(const Twine &T);
+ void AddComment(const Twine &T) override;
/// AddEncodingComment - Add a comment showing the encoding of an instruction.
- virtual void AddEncodingComment(const MCInst &Inst);
+ void AddEncodingComment(const MCInst &Inst, const MCSubtargetInfo &);
/// GetCommentOS - Return a raw_ostream that comments can be written to.
/// Unlike AddComment, you are required to terminate comments with \n if you
/// use this method.
- virtual raw_ostream &GetCommentOS() {
+ raw_ostream &GetCommentOS() override {
if (!IsVerboseAsm)
return nulls(); // Discard comments unless in verbose asm mode.
return CommentStream;
}
+ void emitRawComment(const Twine &T, bool TabPrefix = true) override;
+
/// AddBlankLine - Emit a blank line to a .s file to pretty it up.
- virtual void AddBlankLine() {
+ void AddBlankLine() override {
EmitEOL();
}
/// @name MCStreamer Interface
/// @{
- virtual void ChangeSection(const MCSection *Section,
- const MCExpr *Subsection);
-
- virtual void InitSections() {
- InitToTextSection();
- }
-
- virtual void InitToTextSection() {
- SwitchSection(getContext().getObjectFileInfo()->getTextSection());
- }
-
- virtual void EmitLabel(MCSymbol *Symbol);
- virtual void EmitDebugLabel(MCSymbol *Symbol);
-
- virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
- MCSymbol *EHSymbol);
- virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
- virtual void EmitLinkerOptions(ArrayRef<std::string> Options);
- virtual void EmitDataRegion(MCDataRegionType Kind);
- virtual void EmitThumbFunc(MCSymbol *Func);
-
- virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
- virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol);
- virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
- const MCSymbol *LastLabel,
- const MCSymbol *Label,
- unsigned PointerSize);
- virtual void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
- const MCSymbol *Label);
-
- virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
-
- virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue);
- virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol);
- virtual void EmitCOFFSymbolStorageClass(int StorageClass);
- virtual void EmitCOFFSymbolType(int Type);
- virtual void EndCOFFSymbolDef();
- virtual void EmitCOFFSecRel32(MCSymbol const *Symbol);
- virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
- virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment);
+ void ChangeSection(const MCSection *Section,
+ const MCExpr *Subsection) override;
+
+ void EmitLOHDirective(MCLOHType Kind, const MCLOHArgs &Args) override;
+ void EmitLabel(MCSymbol *Symbol) override;
+
+ void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
+ void EmitLinkerOptions(ArrayRef<std::string> Options) override;
+ void EmitDataRegion(MCDataRegionType Kind) override;
+ void EmitVersionMin(MCVersionMinType Kind, unsigned Major, unsigned Minor,
+ unsigned Update) override;
+ void EmitThumbFunc(MCSymbol *Func) override;
+
+ void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
+ void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
+ bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
+
+ void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
+ void BeginCOFFSymbolDef(const MCSymbol *Symbol) override;
+ void EmitCOFFSymbolStorageClass(int StorageClass) override;
+ void EmitCOFFSymbolType(int Type) override;
+ void EndCOFFSymbolDef() override;
+ void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
+ void EmitCOFFSecRel32(MCSymbol const *Symbol) override;
+ void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) override;
+ void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) override;
/// EmitLocalCommonSymbol - Emit a local common (.lcomm) symbol.
///
/// @param Symbol - The common symbol to emit.
/// @param Size - The size of the common symbol.
/// @param ByteAlignment - The alignment of the common symbol in bytes.
- virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
- unsigned ByteAlignment);
-
- virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
- uint64_t Size = 0, unsigned ByteAlignment = 0);
-
- virtual void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
- uint64_t Size, unsigned ByteAlignment = 0);
-
- virtual void EmitBytes(StringRef Data);
-
- virtual void EmitValueImpl(const MCExpr *Value, unsigned Size);
- virtual void EmitIntValue(uint64_t Value, unsigned Size);
-
- virtual void EmitULEB128Value(const MCExpr *Value);
-
- virtual void EmitSLEB128Value(const MCExpr *Value);
-
- virtual void EmitGPRel64Value(const MCExpr *Value);
-
- virtual void EmitGPRel32Value(const MCExpr *Value);
-
-
- virtual void EmitFill(uint64_t NumBytes, uint8_t FillValue);
-
- virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
- unsigned ValueSize = 1,
- unsigned MaxBytesToEmit = 0);
-
- virtual void EmitCodeAlignment(unsigned ByteAlignment,
- unsigned MaxBytesToEmit = 0);
-
- virtual bool EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value = 0);
-
- virtual void EmitFileDirective(StringRef Filename);
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename, unsigned CUID = 0);
- virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
- unsigned Column, unsigned Flags,
- 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);
- virtual void EmitCFIDefCfaRegister(int64_t Register);
- virtual void EmitCFIOffset(int64_t Register, int64_t Offset);
- virtual void EmitCFIPersonality(const MCSymbol *Sym, unsigned Encoding);
- virtual void EmitCFILsda(const MCSymbol *Sym, unsigned Encoding);
- virtual void EmitCFIRememberState();
- virtual void EmitCFIRestoreState();
- virtual void EmitCFISameValue(int64_t Register);
- virtual void EmitCFIRelOffset(int64_t Register, int64_t Offset);
- virtual void EmitCFIAdjustCfaOffset(int64_t Adjustment);
- 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();
- virtual void EmitWin64EHStartChained();
- virtual void EmitWin64EHEndChained();
- virtual void EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind,
- bool Except);
- virtual void EmitWin64EHHandlerData();
- virtual void EmitWin64EHPushReg(unsigned Register);
- virtual void EmitWin64EHSetFrame(unsigned Register, unsigned Offset);
- virtual void EmitWin64EHAllocStack(unsigned Size);
- virtual void EmitWin64EHSaveReg(unsigned Register, unsigned Offset);
- virtual void EmitWin64EHSaveXMM(unsigned Register, unsigned Offset);
- virtual void EmitWin64EHPushFrame(bool Code);
- virtual void EmitWin64EHEndProlog();
-
- virtual void EmitInstruction(const MCInst &Inst);
-
- virtual void EmitBundleAlignMode(unsigned AlignPow2);
- virtual void EmitBundleLock(bool AlignToEnd);
- virtual void EmitBundleUnlock();
+ void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment) override;
+
+ void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
+ uint64_t Size = 0, unsigned ByteAlignment = 0) override;
+
+ void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
+ uint64_t Size, unsigned ByteAlignment = 0) override;
+
+ void EmitBytes(StringRef Data) override;
+
+ void EmitValueImpl(const MCExpr *Value, unsigned Size,
+ const SMLoc &Loc = SMLoc()) override;
+ void EmitIntValue(uint64_t Value, unsigned Size) override;
+
+ void EmitULEB128Value(const MCExpr *Value) override;
+
+ void EmitSLEB128Value(const MCExpr *Value) override;
+
+ void EmitGPRel64Value(const MCExpr *Value) override;
+
+ void EmitGPRel32Value(const MCExpr *Value) override;
+
+
+ void EmitFill(uint64_t NumBytes, uint8_t FillValue) override;
+
+ void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
+ unsigned ValueSize = 1,
+ unsigned MaxBytesToEmit = 0) override;
+
+ void EmitCodeAlignment(unsigned ByteAlignment,
+ unsigned MaxBytesToEmit = 0) override;
+
+ bool EmitValueToOffset(const MCExpr *Offset,
+ unsigned char Value = 0) override;
+
+ void EmitFileDirective(StringRef Filename) override;
+ unsigned EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename,
+ unsigned CUID = 0) override;
+ void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
+ unsigned Column, unsigned Flags,
+ unsigned Isa, unsigned Discriminator,
+ StringRef FileName) override;
+ MCSymbol *getDwarfLineTableSymbol(unsigned CUID) override;
+
+ void EmitIdent(StringRef IdentString) override;
+ void EmitCFISections(bool EH, bool Debug) override;
+ void EmitCFIDefCfa(int64_t Register, int64_t Offset) override;
+ void EmitCFIDefCfaOffset(int64_t Offset) override;
+ void EmitCFIDefCfaRegister(int64_t Register) override;
+ void EmitCFIOffset(int64_t Register, int64_t Offset) override;
+ void EmitCFIPersonality(const MCSymbol *Sym, unsigned Encoding) override;
+ void EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) override;
+ void EmitCFIRememberState() override;
+ void EmitCFIRestoreState() override;
+ void EmitCFISameValue(int64_t Register) override;
+ void EmitCFIRelOffset(int64_t Register, int64_t Offset) override;
+ void EmitCFIAdjustCfaOffset(int64_t Adjustment) override;
+ void EmitCFISignalFrame() override;
+ void EmitCFIUndefined(int64_t Register) override;
+ void EmitCFIRegister(int64_t Register1, int64_t Register2) override;
+ void EmitCFIWindowSave() override;
+
+ void EmitWinCFIStartProc(const MCSymbol *Symbol) override;
+ void EmitWinCFIEndProc() override;
+ void EmitWinCFIStartChained() override;
+ void EmitWinCFIEndChained() override;
+ void EmitWinCFIPushReg(unsigned Register) override;
+ void EmitWinCFISetFrame(unsigned Register, unsigned Offset) override;
+ void EmitWinCFIAllocStack(unsigned Size) override;
+ void EmitWinCFISaveReg(unsigned Register, unsigned Offset) override;
+ void EmitWinCFISaveXMM(unsigned Register, unsigned Offset) override;
+ void EmitWinCFIPushFrame(bool Code) override;
+ void EmitWinCFIEndProlog() override;
+
+ void EmitWinEHHandler(const MCSymbol *Sym, bool Unwind, bool Except) override;
+ void EmitWinEHHandlerData() override;
+
+ void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
+
+ void EmitBundleAlignMode(unsigned AlignPow2) override;
+ void EmitBundleLock(bool AlignToEnd) override;
+ void EmitBundleUnlock() override;
/// 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 EmitRawTextImpl(StringRef String);
+ void EmitRawTextImpl(StringRef String) override;
- virtual void FinishImpl();
+ void FinishImpl() override;
};
} // end anonymous namespace.
@@ -310,27 +291,19 @@ static inline int64_t truncateToSize(int64_t Value, unsigned Bytes) {
return Value & ((uint64_t) (int64_t) -1 >> (64 - Bytes * 8));
}
+void MCAsmStreamer::emitRawComment(const Twine &T, bool TabPrefix) {
+ if (TabPrefix)
+ OS << '\t';
+ OS << MAI->getCommentString() << T;
+ EmitEOL();
+}
+
void MCAsmStreamer::ChangeSection(const MCSection *Section,
const MCExpr *Subsection) {
assert(Section && "Cannot switch to a null section!");
Section->PrintSwitchToSection(*MAI, OS, Subsection);
}
-void MCAsmStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
- MCSymbol *EHSymbol) {
- if (UseCFI)
- return;
-
- unsigned Flags = FlagMap.lookup(Symbol);
-
- if (Flags & EHGlobal)
- EmitSymbolAttribute(EHSymbol, MCSA_Global);
- if (Flags & EHWeakDefinition)
- EmitSymbolAttribute(EHSymbol, MCSA_WeakDefinition);
- if (Flags & EHPrivateExtern)
- EmitSymbolAttribute(EHSymbol, MCSA_PrivateExtern);
-}
-
void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) {
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
MCStreamer::EmitLabel(Symbol);
@@ -339,11 +312,24 @@ void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) {
EmitEOL();
}
-void MCAsmStreamer::EmitDebugLabel(MCSymbol *Symbol) {
- assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- MCStreamer::EmitDebugLabel(Symbol);
+void MCAsmStreamer::EmitLOHDirective(MCLOHType Kind, const MCLOHArgs &Args) {
+ StringRef str = MCLOHIdToName(Kind);
+
+#ifndef NDEBUG
+ int NbArgs = MCLOHIdToNbArgs(Kind);
+ assert(NbArgs != -1 && ((size_t)NbArgs) == Args.size() && "Malformed LOH!");
+ assert(str != "" && "Invalid LOH name");
+#endif
- OS << *Symbol << MAI->getDebugLabelSuffix();
+ OS << "\t" << MCLOHDirectiveName() << " " << str << "\t";
+ bool IsFirst = true;
+ for (MCLOHArgs::const_iterator It = Args.begin(), EndIt = Args.end();
+ It != EndIt; ++It) {
+ if (!IsFirst)
+ OS << ", ";
+ IsFirst = false;
+ OS << **It;
+ }
EmitEOL();
}
@@ -381,6 +367,18 @@ void MCAsmStreamer::EmitDataRegion(MCDataRegionType Kind) {
EmitEOL();
}
+void MCAsmStreamer::EmitVersionMin(MCVersionMinType Kind, unsigned Major,
+ unsigned Minor, unsigned Update) {
+ switch (Kind) {
+ case MCVM_IOSVersionMin: OS << "\t.ios_version_min"; break;
+ case MCVM_OSXVersionMin: OS << "\t.macosx_version_min"; break;
+ }
+ OS << " " << Major << ", " << Minor;
+ if (Update)
+ OS << ", " << Update;
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitThumbFunc(MCSymbol *Func) {
// This needs to emit to a temporary string to get properly quoted
// MCSymbols when they have spaces in them.
@@ -395,8 +393,7 @@ void MCAsmStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
OS << *Symbol << " = " << *Value;
EmitEOL();
- // FIXME: Lift context changes into super class.
- Symbol->setVariableValue(Value);
+ MCStreamer::EmitAssignment(Symbol, Value);
}
void MCAsmStreamer::EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
@@ -404,22 +401,6 @@ void MCAsmStreamer::EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) {
EmitEOL();
}
-void MCAsmStreamer::EmitDwarfAdvanceLineAddr(int64_t LineDelta,
- const MCSymbol *LastLabel,
- const MCSymbol *Label,
- unsigned PointerSize) {
- EmitDwarfSetLineAddr(LineDelta, Label, PointerSize);
-}
-
-void MCAsmStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
- const MCSymbol *Label) {
- EmitIntValue(dwarf::DW_CFA_advance_loc4, 1);
- const MCExpr *AddrDelta = BuildSymbolDiff(getContext(), Label, LastLabel);
- AddrDelta = ForceExpAbs(AddrDelta);
- EmitValue(AddrDelta, 4);
-}
-
-
bool MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
MCSymbolAttr Attribute) {
switch (Attribute) {
@@ -449,7 +430,6 @@ bool MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
return true;
case MCSA_Global: // .globl/.global
OS << MAI->getGlobalDirective();
- FlagMap[Symbol] |= EHGlobal;
break;
case MCSA_Hidden: OS << "\t.hidden\t"; break;
case MCSA_IndirectSymbol: OS << "\t.indirect_symbol\t"; break;
@@ -460,14 +440,12 @@ bool MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
case MCSA_SymbolResolver: OS << "\t.symbol_resolver\t"; break;
case MCSA_PrivateExtern:
OS << "\t.private_extern\t";
- FlagMap[Symbol] |= EHPrivateExtern;
break;
case MCSA_Protected: OS << "\t.protected\t"; break;
case MCSA_Reference: OS << "\t.reference\t"; break;
case MCSA_Weak: OS << "\t.weak\t"; break;
case MCSA_WeakDefinition:
OS << "\t.weak_definition\t";
- FlagMap[Symbol] |= EHWeakDefinition;
break;
// .weak_reference
case MCSA_WeakReference: OS << MAI->getWeakRefDirective(); break;
@@ -505,8 +483,13 @@ void MCAsmStreamer::EndCOFFSymbolDef() {
EmitEOL();
}
+void MCAsmStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
+ OS << "\t.secidx\t" << *Symbol;
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {
- OS << "\t.secrel32\t" << *Symbol << '\n';
+ OS << "\t.secrel32\t" << *Symbol;
EmitEOL();
}
@@ -518,7 +501,7 @@ void MCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
// Common symbols do not belong to any actual section.
- AssignSection(Symbol, NULL);
+ AssignSection(Symbol, nullptr);
OS << "\t.comm\t" << *Symbol << ',' << Size;
if (ByteAlignment != 0) {
@@ -537,7 +520,7 @@ void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlign) {
// Common symbols do not belong to any actual section.
- AssignSection(Symbol, NULL);
+ AssignSection(Symbol, nullptr);
OS << "\t.lcomm\t" << *Symbol << ',' << Size;
if (ByteAlign > 1) {
@@ -568,7 +551,7 @@ void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
const MCSectionMachO *MOSection = ((const MCSectionMachO*)Section);
OS << MOSection->getSegmentName() << "," << MOSection->getSectionName();
- if (Symbol != NULL) {
+ if (Symbol) {
OS << ',' << *Symbol << ',' << Size;
if (ByteAlignment != 0)
OS << ',' << Log2_32(ByteAlignment);
@@ -583,7 +566,7 @@ void MCAsmStreamer::EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment) {
AssignSection(Symbol, Section);
- assert(Symbol != NULL && "Symbol shouldn't be NULL!");
+ assert(Symbol && "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.
OS << ".tbss " << *Symbol << ", " << Size;
@@ -660,28 +643,48 @@ void MCAsmStreamer::EmitIntValue(uint64_t Value, unsigned Size) {
EmitValue(MCConstantExpr::Create(Value, getContext()), Size);
}
-void MCAsmStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size) {
+void MCAsmStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size,
+ const SMLoc &Loc) {
+ assert(Size <= 8 && "Invalid size");
assert(getCurrentSection().first &&
"Cannot emit contents before setting section!");
- const char *Directive = 0;
+ const char *Directive = nullptr;
switch (Size) {
default: break;
case 1: Directive = MAI->getData8bitsDirective(); break;
case 2: Directive = MAI->getData16bitsDirective(); break;
case 4: Directive = MAI->getData32bitsDirective(); break;
- case 8:
- Directive = MAI->getData64bitsDirective();
- // If the target doesn't support 64-bit data, emit as two 32-bit halves.
- if (Directive) break;
+ case 8: Directive = MAI->getData64bitsDirective(); break;
+ }
+
+ if (!Directive) {
int64_t IntValue;
if (!Value->EvaluateAsAbsolute(IntValue))
report_fatal_error("Don't know how to emit this value.");
- if (MAI->isLittleEndian()) {
- EmitIntValue((uint32_t)(IntValue >> 0 ), 4);
- EmitIntValue((uint32_t)(IntValue >> 32), 4);
- } else {
- EmitIntValue((uint32_t)(IntValue >> 32), 4);
- EmitIntValue((uint32_t)(IntValue >> 0 ), 4);
+
+ // We couldn't handle the requested integer size so we fallback by breaking
+ // the request down into several, smaller, integers. Since sizes greater
+ // than eight are invalid and size equivalent to eight should have been
+ // handled earlier, we use four bytes as our largest piece of granularity.
+ bool IsLittleEndian = MAI->isLittleEndian();
+ for (unsigned Emitted = 0; Emitted != Size;) {
+ unsigned Remaining = Size - Emitted;
+ // The size of our partial emission must be a power of two less than
+ // eight.
+ unsigned EmissionSize = PowerOf2Floor(Remaining);
+ if (EmissionSize > 4)
+ EmissionSize = 4;
+ // Calculate the byte offset of our partial emission taking into account
+ // the endianness of the target.
+ unsigned ByteOffset =
+ IsLittleEndian ? Emitted : (Remaining - EmissionSize);
+ uint64_t ValueToEmit = IntValue >> (ByteOffset * 8);
+ // We truncate our partial emission to fit within the bounds of the
+ // emission domain. This produces nicer output and silences potential
+ // truncation warnings when round tripping through another assembler.
+ ValueToEmit &= ~0ULL >> (64 - EmissionSize * 8);
+ EmitIntValue(ValueToEmit, EmissionSize);
+ Emitted += EmissionSize;
}
return;
}
@@ -714,13 +717,13 @@ void MCAsmStreamer::EmitSLEB128Value(const MCExpr *Value) {
}
void MCAsmStreamer::EmitGPRel64Value(const MCExpr *Value) {
- assert(MAI->getGPRel64Directive() != 0);
+ assert(MAI->getGPRel64Directive() != nullptr);
OS << MAI->getGPRel64Directive() << *Value;
EmitEOL();
}
void MCAsmStreamer::EmitGPRel32Value(const MCExpr *Value) {
- assert(MAI->getGPRel32Directive() != 0);
+ assert(MAI->getGPRel32Directive() != nullptr);
OS << MAI->getGPRel32Directive() << *Value;
EmitEOL();
}
@@ -750,12 +753,19 @@ void MCAsmStreamer::EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
// emit alignments as a power of two if possible.
if (isPowerOf2_32(ByteAlignment)) {
switch (ValueSize) {
- default: llvm_unreachable("Invalid size for machine code value!");
- 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!");
+ default:
+ llvm_unreachable("Invalid size for machine code value!");
+ case 1:
+ OS << "\t.align\t";
+ break;
+ case 2:
+ OS << ".p2alignw ";
+ break;
+ case 4:
+ OS << ".p2alignl ";
+ break;
+ case 8:
+ llvm_unreachable("Unsupported alignment size!");
}
if (MAI->getAlignmentIsInBytes())
@@ -814,30 +824,42 @@ void MCAsmStreamer::EmitFileDirective(StringRef Filename) {
EmitEOL();
}
-bool MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename, unsigned CUID) {
+unsigned MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo,
+ StringRef Directory,
+ StringRef Filename,
+ unsigned CUID) {
+ assert(CUID == 0);
+
+ MCDwarfLineTable &Table = getContext().getMCDwarfLineTable(CUID);
+ unsigned NumFiles = Table.getMCDwarfFiles().size();
+ FileNo = Table.getFile(Directory, Filename, FileNo);
+ if (FileNo == 0)
+ return 0;
+ if (NumFiles == Table.getMCDwarfFiles().size())
+ return FileNo;
+
+ SmallString<128> FullPathName;
+
if (!UseDwarfDirectory && !Directory.empty()) {
if (sys::path::is_absolute(Filename))
- return EmitDwarfFileDirective(FileNo, "", Filename, CUID);
-
- SmallString<128> FullPathName = Directory;
- sys::path::append(FullPathName, Filename);
- return EmitDwarfFileDirective(FileNo, "", FullPathName, CUID);
+ Directory = "";
+ else {
+ FullPathName = Directory;
+ sys::path::append(FullPathName, Filename);
+ Directory = "";
+ Filename = FullPathName;
+ }
}
- if (UseLoc) {
- OS << "\t.file\t" << FileNo << ' ';
- if (!Directory.empty()) {
- PrintQuotedString(Directory, OS);
- OS << ' ';
- }
- PrintQuotedString(Filename, OS);
- EmitEOL();
- // All .file will belong to a single CUID.
- CUID = 0;
+ OS << "\t.file\t" << FileNo << ' ';
+ if (!Directory.empty()) {
+ PrintQuotedString(Directory, OS);
+ OS << ' ';
}
- return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename,
- CUID);
+ PrintQuotedString(Filename, OS);
+ EmitEOL();
+
+ return FileNo;
}
void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
@@ -847,9 +869,6 @@ void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
StringRef FileName) {
this->MCStreamer::EmitDwarfLocDirective(FileNo, Line, Column, Flags,
Isa, Discriminator, FileName);
- if (!UseLoc)
- return;
-
OS << "\t.loc\t" << FileNo << " " << Line << " " << Column;
if (Flags & DWARF2_FLAG_BASIC_BLOCK)
OS << " basic_block";
@@ -869,9 +888,9 @@ void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
}
if (Isa)
- OS << "isa " << Isa;
+ OS << " isa " << Isa;
if (Discriminator)
- OS << "discriminator " << Discriminator;
+ OS << " discriminator " << Discriminator;
if (IsVerboseAsm) {
OS.PadToColumn(MAI->getCommentColumn());
@@ -881,6 +900,12 @@ void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
EmitEOL();
}
+MCSymbol *MCAsmStreamer::getDwarfLineTableSymbol(unsigned CUID) {
+ // Always use the zeroth line table, since asm syntax only supports one line
+ // table for now.
+ return MCStreamer::getDwarfLineTableSymbol(0);
+}
+
void MCAsmStreamer::EmitIdent(StringRef IdentString) {
assert(MAI->hasIdentDirective() && ".ident directive not supported");
OS << "\t.ident\t";
@@ -890,10 +915,6 @@ void MCAsmStreamer::EmitIdent(StringRef IdentString) {
void MCAsmStreamer::EmitCFISections(bool EH, bool Debug) {
MCStreamer::EmitCFISections(EH, Debug);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_sections ";
if (EH) {
OS << ".eh_frame";
@@ -907,25 +928,14 @@ void MCAsmStreamer::EmitCFISections(bool EH, bool Debug) {
}
void MCAsmStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
- if (!UseCFI) {
- RecordProcStart(Frame);
- return;
- }
-
OS << "\t.cfi_startproc";
+ if (Frame.IsSimple)
+ OS << " simple";
EmitEOL();
}
void MCAsmStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) {
- if (!UseCFI) {
- RecordProcEnd(Frame);
- return;
- }
-
- // Put a dummy non-null value in Frame.End to mark that this frame has been
- // closed.
- Frame.End = (MCSymbol *) 1;
-
+ MCStreamer::EmitCFIEndProcImpl(Frame);
OS << "\t.cfi_endproc";
EmitEOL();
}
@@ -942,10 +952,6 @@ void MCAsmStreamer::EmitRegisterName(int64_t Register) {
void MCAsmStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) {
MCStreamer::EmitCFIDefCfa(Register, Offset);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_def_cfa ";
EmitRegisterName(Register);
OS << ", " << Offset;
@@ -954,20 +960,12 @@ void MCAsmStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) {
void MCAsmStreamer::EmitCFIDefCfaOffset(int64_t Offset) {
MCStreamer::EmitCFIDefCfaOffset(Offset);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_def_cfa_offset " << Offset;
EmitEOL();
}
void MCAsmStreamer::EmitCFIDefCfaRegister(int64_t Register) {
MCStreamer::EmitCFIDefCfaRegister(Register);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_def_cfa_register ";
EmitRegisterName(Register);
EmitEOL();
@@ -975,10 +973,6 @@ void MCAsmStreamer::EmitCFIDefCfaRegister(int64_t Register) {
void MCAsmStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) {
this->MCStreamer::EmitCFIOffset(Register, Offset);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_offset ";
EmitRegisterName(Register);
OS << ", " << Offset;
@@ -988,50 +982,30 @@ void MCAsmStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) {
void MCAsmStreamer::EmitCFIPersonality(const MCSymbol *Sym,
unsigned Encoding) {
MCStreamer::EmitCFIPersonality(Sym, Encoding);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_personality " << Encoding << ", " << *Sym;
EmitEOL();
}
void MCAsmStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) {
MCStreamer::EmitCFILsda(Sym, Encoding);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_lsda " << Encoding << ", " << *Sym;
EmitEOL();
}
void MCAsmStreamer::EmitCFIRememberState() {
MCStreamer::EmitCFIRememberState();
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_remember_state";
EmitEOL();
}
void MCAsmStreamer::EmitCFIRestoreState() {
MCStreamer::EmitCFIRestoreState();
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_restore_state";
EmitEOL();
}
void MCAsmStreamer::EmitCFISameValue(int64_t Register) {
MCStreamer::EmitCFISameValue(Register);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_same_value ";
EmitRegisterName(Register);
EmitEOL();
@@ -1039,10 +1013,6 @@ void MCAsmStreamer::EmitCFISameValue(int64_t Register) {
void MCAsmStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) {
MCStreamer::EmitCFIRelOffset(Register, Offset);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_rel_offset ";
EmitRegisterName(Register);
OS << ", " << Offset;
@@ -1051,85 +1021,65 @@ void MCAsmStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) {
void MCAsmStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) {
MCStreamer::EmitCFIAdjustCfaOffset(Adjustment);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_adjust_cfa_offset " << Adjustment;
EmitEOL();
}
void MCAsmStreamer::EmitCFISignalFrame() {
MCStreamer::EmitCFISignalFrame();
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_signal_frame";
EmitEOL();
}
void MCAsmStreamer::EmitCFIUndefined(int64_t Register) {
MCStreamer::EmitCFIUndefined(Register);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_undefined " << Register;
EmitEOL();
}
void MCAsmStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) {
MCStreamer::EmitCFIRegister(Register1, Register2);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_register " << Register1 << ", " << 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);
+void MCAsmStreamer::EmitWinCFIStartProc(const MCSymbol *Symbol) {
+ MCStreamer::EmitWinCFIStartProc(Symbol);
OS << ".seh_proc " << *Symbol;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHEndProc() {
- MCStreamer::EmitWin64EHEndProc();
+void MCAsmStreamer::EmitWinCFIEndProc() {
+ MCStreamer::EmitWinCFIEndProc();
OS << "\t.seh_endproc";
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHStartChained() {
- MCStreamer::EmitWin64EHStartChained();
+void MCAsmStreamer::EmitWinCFIStartChained() {
+ MCStreamer::EmitWinCFIStartChained();
OS << "\t.seh_startchained";
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHEndChained() {
- MCStreamer::EmitWin64EHEndChained();
+void MCAsmStreamer::EmitWinCFIEndChained() {
+ MCStreamer::EmitWinCFIEndChained();
OS << "\t.seh_endchained";
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind,
- bool Except) {
- MCStreamer::EmitWin64EHHandler(Sym, Unwind, Except);
+void MCAsmStreamer::EmitWinEHHandler(const MCSymbol *Sym, bool Unwind,
+ bool Except) {
+ MCStreamer::EmitWinEHHandler(Sym, Unwind, Except);
OS << "\t.seh_handler " << *Sym;
if (Unwind)
@@ -1152,14 +1102,14 @@ static const MCSection *getWin64EHTableSection(StringRef suffix,
SectionKind::getDataRel());
}
-void MCAsmStreamer::EmitWin64EHHandlerData() {
- MCStreamer::EmitWin64EHHandlerData();
+void MCAsmStreamer::EmitWinEHHandlerData() {
+ MCStreamer::EmitWinEHHandlerData();
// Switch sections. Don't call SwitchSection directly, because that will
// cause the section switch to be visible in the emitted assembly.
// We only do this so the section switch that terminates the handler
// data block is visible.
- MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+ MCWinFrameInfo *CurFrame = getCurrentWinFrameInfo();
StringRef suffix=MCWin64EHUnwindEmitter::GetSectionSuffix(CurFrame->Function);
const MCSection *xdataSect = getWin64EHTableSection(suffix, getContext());
if (xdataSect)
@@ -1169,43 +1119,43 @@ void MCAsmStreamer::EmitWin64EHHandlerData() {
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHPushReg(unsigned Register) {
- MCStreamer::EmitWin64EHPushReg(Register);
+void MCAsmStreamer::EmitWinCFIPushReg(unsigned Register) {
+ MCStreamer::EmitWinCFIPushReg(Register);
OS << "\t.seh_pushreg " << Register;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) {
- MCStreamer::EmitWin64EHSetFrame(Register, Offset);
+void MCAsmStreamer::EmitWinCFISetFrame(unsigned Register, unsigned Offset) {
+ MCStreamer::EmitWinCFISetFrame(Register, Offset);
OS << "\t.seh_setframe " << Register << ", " << Offset;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHAllocStack(unsigned Size) {
- MCStreamer::EmitWin64EHAllocStack(Size);
+void MCAsmStreamer::EmitWinCFIAllocStack(unsigned Size) {
+ MCStreamer::EmitWinCFIAllocStack(Size);
OS << "\t.seh_stackalloc " << Size;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) {
- MCStreamer::EmitWin64EHSaveReg(Register, Offset);
+void MCAsmStreamer::EmitWinCFISaveReg(unsigned Register, unsigned Offset) {
+ MCStreamer::EmitWinCFISaveReg(Register, Offset);
OS << "\t.seh_savereg " << Register << ", " << Offset;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) {
- MCStreamer::EmitWin64EHSaveXMM(Register, Offset);
+void MCAsmStreamer::EmitWinCFISaveXMM(unsigned Register, unsigned Offset) {
+ MCStreamer::EmitWinCFISaveXMM(Register, Offset);
OS << "\t.seh_savexmm " << Register << ", " << Offset;
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHPushFrame(bool Code) {
- MCStreamer::EmitWin64EHPushFrame(Code);
+void MCAsmStreamer::EmitWinCFIPushFrame(bool Code) {
+ MCStreamer::EmitWinCFIPushFrame(Code);
OS << "\t.seh_pushframe";
if (Code)
@@ -1213,19 +1163,20 @@ void MCAsmStreamer::EmitWin64EHPushFrame(bool Code) {
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHEndProlog(void) {
- MCStreamer::EmitWin64EHEndProlog();
+void MCAsmStreamer::EmitWinCFIEndProlog(void) {
+ MCStreamer::EmitWinCFIEndProlog();
OS << "\t.seh_endprologue";
EmitEOL();
}
-void MCAsmStreamer::AddEncodingComment(const MCInst &Inst) {
+void MCAsmStreamer::AddEncodingComment(const MCInst &Inst,
+ const MCSubtargetInfo &STI) {
raw_ostream &OS = GetCommentOS();
SmallString<256> Code;
SmallVector<MCFixup, 4> Fixups;
raw_svector_ostream VecOS(Code);
- Emitter->EncodeInstruction(Inst, VecOS, Fixups);
+ Emitter->EncodeInstruction(Inst, VecOS, Fixups, STI);
VecOS.flush();
// If we are showing fixups, create symbolic markers in the encoded
@@ -1304,13 +1255,13 @@ void MCAsmStreamer::AddEncodingComment(const MCInst &Inst) {
}
}
-void MCAsmStreamer::EmitInstruction(const MCInst &Inst) {
+void MCAsmStreamer::EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) {
assert(getCurrentSection().first &&
"Cannot emit contents before setting section!");
// Show the encoding in a comment if we have a code emitter.
if (Emitter)
- AddEncodingComment(Inst);
+ AddEncodingComment(Inst, STI);
// Show the MCInst if enabled.
if (ShowInst) {
@@ -1354,27 +1305,28 @@ void MCAsmStreamer::EmitRawTextImpl(StringRef String) {
}
void MCAsmStreamer::FinishImpl() {
- // FIXME: This header is duplicated with MCObjectStreamer
- // Dump out the dwarf file & directory tables and line tables.
- const MCSymbol *LineSectionSymbol = NULL;
- if (getContext().hasDwarfFiles() && !UseLoc)
- LineSectionSymbol = MCDwarfFileTable::Emit(this);
-
// If we are generating dwarf for assembly source files dump out the sections.
if (getContext().getGenDwarfForAssembly())
- MCGenDwarfInfo::Emit(this, LineSectionSymbol);
-
- if (!UseCFI)
- EmitFrames(AsmBackend.get(), false);
+ MCGenDwarfInfo::Emit(this);
+
+ // Emit the label for the line table, if requested - since the rest of the
+ // line table will be defined by .loc/.file directives, and not emitted
+ // directly, the label is the only work required here.
+ auto &Tables = getContext().getMCDwarfLineTables();
+ if (!Tables.empty()) {
+ assert(Tables.size() == 1 && "asm output only supports one line table");
+ if (auto *Label = Tables.begin()->second.getLabel()) {
+ SwitchSection(getContext().getObjectFileInfo()->getDwarfLineSection());
+ EmitLabel(Label);
+ }
+ }
}
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, TargetStreamer, OS, isVerboseAsm, useLoc,
- useCFI, useDwarfDirectory, IP, CE, MAB, ShowInst);
+ bool isVerboseAsm, bool useDwarfDirectory,
+ MCInstPrinter *IP, MCCodeEmitter *CE,
+ MCAsmBackend *MAB, bool ShowInst) {
+ return new MCAsmStreamer(Context, OS, isVerboseAsm, useDwarfDirectory, IP, CE,
+ MAB, ShowInst);
}
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