#include "llvm/MC/MCStreamer.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"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include <cctype>
+#include <unordered_map>
using namespace llvm;
namespace {
unsigned IsVerboseAsm : 1;
unsigned ShowInst : 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);
void EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) override;
void EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) override;
public:
MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os,
- bool isVerboseAsm, bool useCFI, bool useDwarfDirectory,
+ 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), 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.
void AddComment(const Twine &T) override;
/// AddEncodingComment - Add a comment showing the encoding of an instruction.
- virtual void AddEncodingComment(const MCInst &Inst, const MCSubtargetInfo &);
+ 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
void ChangeSection(const MCSection *Section,
const MCExpr *Subsection) override;
+ void EmitLOHDirective(MCLOHType Kind, const MCLOHArgs &Args) override;
void EmitLabel(MCSymbol *Symbol) override;
- void EmitDebugLabel(MCSymbol *Symbol) override;
- void EmitEHSymAttributes(const MCSymbol *Symbol, MCSymbol *EHSymbol) 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;
- void EmitDwarfAdvanceLineAddr(int64_t LineDelta, const MCSymbol *LastLabel,
- const MCSymbol *Label,
- unsigned PointerSize) override;
- void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
- const MCSymbol *Label) override;
-
bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) override;
- void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
+ void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
uint64_t Size = 0, unsigned ByteAlignment = 0) override;
void EmitTBSSSymbol (const MCSection *Section, MCSymbol *Symbol,
void EmitBytes(StringRef Data) override;
- void EmitValueImpl(const MCExpr *Value, unsigned Size) 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;
unsigned char Value = 0) override;
void EmitFileDirective(StringRef Filename) override;
- bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename, unsigned CUID = 0) 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 EmitCFIRegister(int64_t Register1, int64_t Register2) override;
void EmitCFIWindowSave() override;
- void EmitWin64EHStartProc(const MCSymbol *Symbol) override;
- void EmitWin64EHEndProc() override;
- void EmitWin64EHStartChained() override;
- void EmitWin64EHEndChained() override;
- void EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind,
- bool Except) override;
- void EmitWin64EHHandlerData() override;
- void EmitWin64EHPushReg(unsigned Register) override;
- void EmitWin64EHSetFrame(unsigned Register, unsigned Offset) override;
- void EmitWin64EHAllocStack(unsigned Size) override;
- void EmitWin64EHSaveReg(unsigned Register, unsigned Offset) override;
- void EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) override;
- void EmitWin64EHPushFrame(bool Code) override;
- void EmitWin64EHEndProlog() 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;
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);
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);
- OS << *Symbol << MAI->getDebugLabelSuffix();
+#ifndef NDEBUG
+ int NbArgs = MCLOHIdToNbArgs(Kind);
+ assert(NbArgs != -1 && ((size_t)NbArgs) == Args.size() && "Malformed LOH!");
+ assert(str != "" && "Invalid LOH name");
+#endif
+
+ 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();
}
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.
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) {
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) {
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;
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;
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) {
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) {
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);
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;
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;
}
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();
}
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;
+ }
}
OS << "\t.file\t" << FileNo << ' ';
}
PrintQuotedString(Filename, OS);
EmitEOL();
- // All .file will belong to a single CUID.
- CUID = 0;
- return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename,
- CUID);
+ return FileNo;
}
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";
void MCAsmStreamer::EmitCFISections(bool EH, bool Debug) {
MCStreamer::EmitCFISections(EH, Debug);
-
- if (!UseCFI)
- return;
-
OS << "\t.cfi_sections ";
if (EH) {
OS << ".eh_frame";
}
void MCAsmStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
- if (!UseCFI) {
- RecordProcStart(Frame);
- return;
- }
-
OS << "\t.cfi_startproc";
if (Frame.IsSimple)
OS << " simple";
}
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();
}
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;
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();
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;
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();
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;
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)
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 = getCurrentW64UnwindInfo();
StringRef suffix=MCWin64EHUnwindEmitter::GetSectionSuffix(CurFrame->Function);
const MCSection *xdataSect = getWin64EHTableSection(suffix, getContext());
if (xdataSect)
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)
EmitEOL();
}
-void MCAsmStreamer::EmitWin64EHEndProlog(void) {
- MCStreamer::EmitWin64EHEndProlog();
+void MCAsmStreamer::EmitWinCFIEndProlog(void) {
+ MCStreamer::EmitWinCFIEndProlog();
OS << "\t.seh_endprologue";
EmitEOL();
void MCAsmStreamer::FinishImpl() {
// If we are generating dwarf for assembly source files dump out the sections.
if (getContext().getGenDwarfForAssembly())
- MCGenDwarfInfo::Emit(this, NULL);
-
- 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,
formatted_raw_ostream &OS,
- bool isVerboseAsm, bool useCFI,
- bool useDwarfDirectory, MCInstPrinter *IP,
- MCCodeEmitter *CE, MCAsmBackend *MAB,
- bool ShowInst) {
- return new MCAsmStreamer(Context, OS, isVerboseAsm, 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);
}
projects / oota-llvm.git / blobdiff