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-rw-r--r--lib/MC/MCAsmStreamer.cpp141
1 files changed, 66 insertions, 75 deletions
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 4f07882..781e400 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -38,7 +38,7 @@ namespace {
class MCAsmStreamer : public MCStreamer {
protected:
formatted_raw_ostream &OS;
- const MCAsmInfo &MAI;
+ const MCAsmInfo *MAI;
private:
OwningPtr<MCInstPrinter> InstPrinter;
OwningPtr<MCCodeEmitter> Emitter;
@@ -180,12 +180,10 @@ 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 +194,7 @@ 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,
@@ -312,9 +309,9 @@ 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 +329,7 @@ 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 +351,7 @@ 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 +359,7 @@ 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 +367,9 @@ 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 +385,7 @@ 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 +402,7 @@ 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();
}
@@ -452,9 +447,9 @@ 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");
+ assert(MAI->hasDotTypeDotSizeDirective() && "Symbol Attr not supported");
OS << "\t.type\t" << *Symbol << ','
- << ((MAI.getCommentString()[0] != '@') ? '@' : '%');
+ << ((MAI->getCommentString()[0] != '@') ? '@' : '%');
switch (Attribute) {
default: llvm_unreachable("Unknown ELF .type");
case MCSA_ELF_TypeFunction: OS << "function"; break;
@@ -468,7 +463,7 @@ void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
EmitEOL();
return;
case MCSA_Global: // .globl/.global
- OS << MAI.getGlobalDirective();
+ OS << MAI->getGlobalDirective();
FlagMap[Symbol] |= EHGlobal;
break;
case MCSA_Hidden: OS << "\t.hidden\t"; break;
@@ -490,7 +485,7 @@ 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;
}
@@ -529,7 +524,7 @@ 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';
}
@@ -537,7 +532,7 @@ void MCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlignment) {
OS << "\t.comm\t" << *Symbol << ',' << Size;
if (ByteAlignment != 0) {
- if (MAI.getCOMMDirectiveAlignmentIsInBytes())
+ if (MAI->getCOMMDirectiveAlignmentIsInBytes())
OS << ',' << ByteAlignment;
else
OS << ',' << Log2_32(ByteAlignment);
@@ -553,7 +548,7 @@ void MCAsmStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
unsigned ByteAlign) {
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:
@@ -638,13 +633,13 @@ 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;
@@ -652,11 +647,11 @@ 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 << ' ';
@@ -664,34 +659,32 @@ void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
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 +700,7 @@ 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 +711,39 @@ 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 +754,14 @@ 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 +797,7 @@ 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 +811,7 @@ 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();
@@ -886,8 +877,8 @@ 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();
@@ -936,9 +927,9 @@ 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;
@@ -1276,7 +1267,7 @@ 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);
@@ -1376,7 +1367,7 @@ 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 +1375,7 @@ void MCAsmStreamer::EmitInstruction(const MCInst &Inst) {
if (InstPrinter)
InstPrinter->printInst(&Inst, OS, "");
else
- Inst.print(OS, &MAI);
+ Inst.print(OS, MAI);
EmitEOL();
}
generated by cgit v1.1 at 2025-07-03 08:44:33 +0000