本文整理汇总了C++中MCStreamer::EmitSymbolValue方法的典型用法代码示例。如果您正苦于以下问题：C++ MCStreamer::EmitSymbolValue方法的具体用法？C++ MCStreamer::EmitSymbolValue怎么用？C++ MCStreamer::EmitSymbolValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MCStreamer的用法示例。
在下文中一共展示了MCStreamer::EmitSymbolValue方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: emitPersonalityValue
void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
const TargetMachine &TM,
const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
MCSymbol *Label = getContext().GetOrCreateSymbol(NameData);
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
NameData.insert(NameData.begin(), Prefix.begin(), Prefix.end());
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
const MCSection *Sec = getContext().getELFSection(NameData,
ELF::SHT_PROGBITS,
Flags,
SectionKind::getDataRel(),
0, Label->getName());
unsigned Size = TM.getDataLayout()->getPointerSize();
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::Create(Size, getContext());
Streamer.EmitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}示例2: emitPersonalityValue
void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
const TargetMachine &TM,
const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
// @LOCALMOD-BEGIN
// The dwarf section label should not include the version suffix.
// Strip it off here.
StringRef Name = Sym->getName();
size_t atpos = Name.find("@");
if (atpos != StringRef::npos)
Name = Name.substr(0, atpos);
// @LOCALMOD-END
NameData += Name; // @LOCALMOD
MCSymbol *Label = getContext().GetOrCreateSymbol(NameData);
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
StringRef Prefix = ".data.";
NameData.insert(NameData.begin(), Prefix.begin(), Prefix.end());
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
const MCSection *Sec = getContext().getELFSection(NameData,
ELF::SHT_PROGBITS,
Flags,
SectionKind::getDataRel(),
0, Label->getName());
unsigned Size = TM.getDataLayout()->getPointerSize();
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::Create(Size, getContext());
Streamer.EmitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}示例3: emitLabelOffsetDifference
/// Emit something like ".long Hi+Offset-Lo" where the size in bytes of the
/// directive is specified by Size and Hi/Lo specify the labels.
static void emitLabelOffsetDifference(MCStreamer &Streamer, const MCSymbol *Hi,
uint64_t Offset, const MCSymbol *Lo,
unsigned Size) {
MCContext &Context = Streamer.getContext();
// Emit Hi+Offset - Lo
// Get the Hi+Offset expression.
const MCExpr *Plus =
MCBinaryExpr::CreateAdd(MCSymbolRefExpr::Create(Hi, Context),
MCConstantExpr::Create(Offset, Context), Context);
// Get the Hi+Offset-Lo expression.
const MCExpr *Diff = MCBinaryExpr::CreateSub(
Plus, MCSymbolRefExpr::Create(Lo, Context), Context);
// Otherwise, emit with .set (aka assignment).
MCSymbol *SetLabel = Context.CreateTempSymbol();
Streamer.EmitAssignment(SetLabel, Diff);
Streamer.EmitSymbolValue(SetLabel, Size);
}示例4: emitPersonalityValue
void TargetLoweringObjectFileELF::emitPersonalityValue(
MCStreamer &Streamer, const DataLayout &DL, const MCSymbol *Sym) const {
SmallString<64> NameData("DW.ref.");
NameData += Sym->getName();
MCSymbolELF *Label =
cast<MCSymbolELF>(getContext().getOrCreateSymbol(NameData));
Streamer.EmitSymbolAttribute(Label, MCSA_Hidden);
Streamer.EmitSymbolAttribute(Label, MCSA_Weak);
unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_GROUP;
MCSection *Sec = getContext().getELFNamedSection(".data", Label->getName(),
ELF::SHT_PROGBITS, Flags, 0);
unsigned Size = DL.getPointerSize();
Streamer.SwitchSection(Sec);
Streamer.EmitValueToAlignment(DL.getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::create(Size, getContext());
Streamer.emitELFSize(Label, E);
Streamer.EmitLabel(Label);
Streamer.EmitSymbolValue(Sym, Size);
}