virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
uint64_t Size, unsigned ByteAlignment);
virtual void EmitBytes(StringRef Data, unsigned AddrSpace);
- virtual void EmitValue(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace);
- virtual void EmitGPRel32Value(const MCExpr *Value);
virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value,
unsigned ValueSize, unsigned MaxBytesToEmit);
virtual void EmitCodeAlignment(unsigned ByteAlignment,
}
void WinCOFFStreamer::EmitLabel(MCSymbol *Symbol) {
- // TODO: This is copied almost exactly from the MachOStreamer. Consider
- // merging into MCObjectStreamer?
assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
- assert(CurSection && "Cannot emit before setting section!");
-
- Symbol->setSection(*CurSection);
-
- MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
-
- // FIXME: This is wasteful, we don't necessarily need to create a data
- // fragment. Instead, we should mark the symbol as pointing into the data
- // fragment if it exists, otherwise we should just queue the label and set its
- // fragment pointer when we emit the next fragment.
- MCDataFragment *DF = getOrCreateDataFragment();
-
- assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
- SD.setFragment(DF);
- SD.setOffset(DF->getContents().size());
+ MCObjectStreamer::EmitLabel(Symbol);
}
void WinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
getOrCreateDataFragment()->getContents().append(Data.begin(), Data.end());
}
-void WinCOFFStreamer::EmitValue(const MCExpr *Value, unsigned Size,
- unsigned AddrSpace) {
- assert(AddrSpace == 0 && "Address space must be 0!");
-
- // TODO: This is copied exactly from the MachOStreamer. Consider merging into
- // MCObjectStreamer?
- MCDataFragment *DF = getOrCreateDataFragment();
-
- // Avoid fixups when possible.
- int64_t AbsValue;
- if (AddValueSymbols(Value)->EvaluateAsAbsolute(AbsValue)) {
- // FIXME: Endianness assumption.
- for (unsigned i = 0; i != Size; ++i)
- DF->getContents().push_back(uint8_t(AbsValue >> (i * 8)));
- } else {
- DF->addFixup(MCFixup::Create(DF->getContents().size(),
- AddValueSymbols(Value),
- MCFixup::getKindForSize(Size)));
- DF->getContents().resize(DF->getContents().size() + Size, 0);
- }
-}
-
-void WinCOFFStreamer::EmitGPRel32Value(const MCExpr *Value) {
- llvm_unreachable("not implemented");
-}
-
void WinCOFFStreamer::EmitValueToAlignment(unsigned ByteAlignment,
int64_t Value,
unsigned ValueSize,