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Formatting changes. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-06-23 07:44:54 +00:00
parent e59fbc04ad
commit a8c9e6a943
1 changed files with 29 additions and 31 deletions
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60
lib/MC/MCDwarf.cpp
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@ -50,8 +50,7 @@ using namespace llvm;
// Note: when DWARF2_LINE_MIN_INSN_LENGTH == 1 which is the current setting, // Note: when DWARF2_LINE_MIN_INSN_LENGTH == 1 which is the current setting,
// this routine is a nop and will be optimized away. // this routine is a nop and will be optimized away.
static inline uint64_t ScaleAddrDelta(uint64_t AddrDelta) static inline uint64_t ScaleAddrDelta(uint64_t AddrDelta) {
{
if (DWARF2_LINE_MIN_INSN_LENGTH == 1) if (DWARF2_LINE_MIN_INSN_LENGTH == 1)
return AddrDelta; return AddrDelta;
if (AddrDelta % DWARF2_LINE_MIN_INSN_LENGTH != 0) { if (AddrDelta % DWARF2_LINE_MIN_INSN_LENGTH != 0) {
@ -895,46 +894,45 @@ namespace llvm {
}; };
} }
void MCDwarfFrameEmitter::Emit(MCStreamer &streamer, void MCDwarfFrameEmitter::Emit(MCStreamer &Streamer,
bool usingCFI, bool UsingCFI,
bool isEH) { bool IsEH) {
MCContext &context = streamer.getContext(); MCContext &Context = Streamer.getContext();
const TargetAsmInfo &asmInfo = context.getTargetAsmInfo(); const TargetAsmInfo &AsmInfo = Context.getTargetAsmInfo();
const MCSection &section = isEH ? const MCSection &Section = IsEH ? *AsmInfo.getEHFrameSection() :
*asmInfo.getEHFrameSection() : *AsmInfo.getDwarfFrameSection();
*asmInfo.getDwarfFrameSection(); Streamer.SwitchSection(&Section);
streamer.SwitchSection(&section); MCSymbol *SectionStart = Context.CreateTempSymbol();
MCSymbol *SectionStart = context.CreateTempSymbol(); Streamer.EmitLabel(SectionStart);
streamer.EmitLabel(SectionStart);
MCSymbol *fdeEnd = NULL; MCSymbol *FDEEnd = NULL;
DenseMap<CIEKey, const MCSymbol*> CIEStarts; DenseMap<CIEKey, const MCSymbol*> CIEStarts;
FrameEmitterImpl Emitter(usingCFI, isEH, SectionStart); FrameEmitterImpl Emitter(UsingCFI, IsEH, SectionStart);
const MCSymbol *DummyDebugKey = NULL; const MCSymbol *DummyDebugKey = NULL;
for (unsigned i = 0, n = streamer.getNumFrameInfos(); i < n; ++i) { for (unsigned i = 0, n = Streamer.getNumFrameInfos(); i < n; ++i) {
const MCDwarfFrameInfo &frame = streamer.getFrameInfo(i); const MCDwarfFrameInfo &Frame = Streamer.getFrameInfo(i);
CIEKey key(frame.Personality, frame.PersonalityEncoding, if (IsEH && AsmInfo.getCompactUnwindSection() &&
frame.LsdaEncoding); Emitter.EmitCompactUnwind(Streamer, Frame))
const MCSymbol *&cieStart = isEH ? CIEStarts[key] : DummyDebugKey;
if (isEH && asmInfo.getCompactUnwindSection() &&
Emitter.EmitCompactUnwind(streamer, frame))
continue; continue;
if (!cieStart) CIEKey Key(Frame.Personality, Frame.PersonalityEncoding,
cieStart = &Emitter.EmitCIE(streamer, frame.Personality, Frame.LsdaEncoding);
frame.PersonalityEncoding, frame.Lsda, const MCSymbol *&CIEStart = IsEH ? CIEStarts[Key] : DummyDebugKey;
frame.LsdaEncoding); if (!CIEStart)
CIEStart = &Emitter.EmitCIE(Streamer, Frame.Personality,
Frame.PersonalityEncoding, Frame.Lsda,
Frame.LsdaEncoding);
fdeEnd = Emitter.EmitFDE(streamer, *cieStart, frame); FDEEnd = Emitter.EmitFDE(Streamer, *CIEStart, Frame);
if (i != n - 1) if (i != n - 1)
streamer.EmitLabel(fdeEnd); Streamer.EmitLabel(FDEEnd);
} }
streamer.EmitValueToAlignment(asmInfo.getPointerSize()); Streamer.EmitValueToAlignment(AsmInfo.getPointerSize());
if (fdeEnd) if (FDEEnd)
streamer.EmitLabel(fdeEnd); Streamer.EmitLabel(FDEEnd);
} }
void MCDwarfFrameEmitter::EmitAdvanceLoc(MCStreamer &Streamer, void MCDwarfFrameEmitter::EmitAdvanceLoc(MCStreamer &Streamer,