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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168384 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-11-20 20:34:47 +00:00
parent dcc675a4ac
commit aaa50b9bc5
1 changed files with 11 additions and 10 deletions
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21
lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
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@ -53,7 +53,7 @@ void AsmPrinter::EmitULEB128(unsigned Value, const char *Desc,
void AsmPrinter::EmitCFAByte(unsigned Val) const {
if (isVerbose()) {
if (Val >= dwarf::DW_CFA_offset && Val < dwarf::DW_CFA_offset+64)
OutStreamer.AddComment("DW_CFA_offset + Reg (" +
OutStreamer.AddComment("DW_CFA_offset + Reg (" +
Twine(Val-dwarf::DW_CFA_offset) + ")");
else
OutStreamer.AddComment(dwarf::CallFrameString(Val));
@ -83,7 +83,7 @@ static const char *DecodeDWARFEncoding(unsigned Encoding) {
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8:
return "indirect pcrel sdata8";
}
return "<unknown encoding>";
}
@ -101,7 +101,7 @@ void AsmPrinter::EmitEncodingByte(unsigned Val, const char *Desc) const {
OutStreamer.AddComment(Twine("Encoding = ") +
DecodeDWARFEncoding(Val));
}
OutStreamer.EmitIntValue(Val, 1, 0/*addrspace*/);
}
@ -109,7 +109,7 @@ void AsmPrinter::EmitEncodingByte(unsigned Val, const char *Desc) const {
unsigned AsmPrinter::GetSizeOfEncodedValue(unsigned Encoding) const {
if (Encoding == dwarf::DW_EH_PE_omit)
return 0;
switch (Encoding & 0x07) {
default: llvm_unreachable("Invalid encoded value.");
case dwarf::DW_EH_PE_absptr: return TM.getDataLayout()->getPointerSize();
@ -119,10 +119,11 @@ unsigned AsmPrinter::GetSizeOfEncodedValue(unsigned Encoding) const {
}
}
void AsmPrinter::EmitTTypeReference(const GlobalValue *GV, unsigned Encoding)const{
void AsmPrinter::EmitTTypeReference(const GlobalValue *GV,
unsigned Encoding) const {
if (GV) {
const TargetLoweringObjectFile &TLOF = getObjFileLowering();
const MCExpr *Exp =
TLOF.getTTypeGlobalReference(GV, Mang, MMI, Encoding, OutStreamer);
OutStreamer.EmitValue(Exp, GetSizeOfEncodedValue(Encoding), /*addrspace*/0);
@ -144,22 +145,22 @@ void AsmPrinter::EmitSectionOffset(const MCSymbol *Label,
OutStreamer.EmitCOFFSecRel32(Label);
return;
}
// Get the section that we're referring to, based on SectionLabel.
const MCSection &Section = SectionLabel->getSection();
// If Label has already been emitted, verify that it is in the same section as
// section label for sanity.
assert((!Label->isInSection() || &Label->getSection() == &Section) &&
"Section offset using wrong section base for label");
// If the section in question will end up with an address of 0 anyway, we can
// just emit an absolute reference to save a relocation.
if (Section.isBaseAddressKnownZero()) {
OutStreamer.EmitSymbolValue(Label, 4, 0/*AddrSpace*/);
return;
}
// Otherwise, emit it as a label difference from the start of the section.
EmitLabelDifference(Label, SectionLabel, 4);
}