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Reformat slightly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196421 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-12-04 22:26:43 +00:00
parent 856d2fc052
commit 690a455b0a
1 changed files with 45 additions and 27 deletions
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72
lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
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@ -52,9 +52,9 @@ void AsmPrinter::EmitULEB128(uint64_t Value, const char *Desc,
/// EmitCFAByte - Emit a .byte 42 directive for a DW_CFA_xxx value.
void AsmPrinter::EmitCFAByte(unsigned Val) const {
if (isVerbose()) {
if (Val >= dwarf::DW_CFA_offset && Val < dwarf::DW_CFA_offset+64)
if (Val >= dwarf::DW_CFA_offset && Val < dwarf::DW_CFA_offset + 64)
OutStreamer.AddComment("DW_CFA_offset + Reg (" +
Twine(Val-dwarf::DW_CFA_offset) + ")");
Twine(Val - dwarf::DW_CFA_offset) + ")");
else
OutStreamer.AddComment(dwarf::CallFrameString(Val));
}
@ -63,31 +63,45 @@ void AsmPrinter::EmitCFAByte(unsigned Val) const {
static const char *DecodeDWARFEncoding(unsigned Encoding) {
switch (Encoding) {
case dwarf::DW_EH_PE_absptr: return "absptr";
case dwarf::DW_EH_PE_omit: return "omit";
case dwarf::DW_EH_PE_pcrel: return "pcrel";
case dwarf::DW_EH_PE_udata4: return "udata4";
case dwarf::DW_EH_PE_udata8: return "udata8";
case dwarf::DW_EH_PE_sdata4: return "sdata4";
case dwarf::DW_EH_PE_sdata8: return "sdata8";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4: return "pcrel udata4";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4: return "pcrel sdata4";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8: return "pcrel udata8";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8: return "pcrel sdata8";
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4:
case dwarf::DW_EH_PE_absptr:
return "absptr";
case dwarf::DW_EH_PE_omit:
return "omit";
case dwarf::DW_EH_PE_pcrel:
return "pcrel";
case dwarf::DW_EH_PE_udata4:
return "udata4";
case dwarf::DW_EH_PE_udata8:
return "udata8";
case dwarf::DW_EH_PE_sdata4:
return "sdata4";
case dwarf::DW_EH_PE_sdata8:
return "sdata8";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4:
return "pcrel udata4";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4:
return "pcrel sdata4";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8:
return "pcrel udata8";
case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8:
return "pcrel sdata8";
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4
:
return "indirect pcrel udata4";
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4:
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
:
return "indirect pcrel sdata4";
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8:
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8
:
return "indirect pcrel udata8";
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8:
case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8
:
return "indirect pcrel sdata8";
}
return "<unknown encoding>";
}
/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an
/// encoding. If verbose assembly output is enabled, we output comments
/// describing the encoding. Desc is an optional string saying what the
@ -95,11 +109,10 @@ static const char *DecodeDWARFEncoding(unsigned Encoding) {
void AsmPrinter::EmitEncodingByte(unsigned Val, const char *Desc) const {
if (isVerbose()) {
if (Desc != 0)
OutStreamer.AddComment(Twine(Desc)+" Encoding = " +
OutStreamer.AddComment(Twine(Desc) + " Encoding = " +
Twine(DecodeDWARFEncoding(Val)));
else
OutStreamer.AddComment(Twine("Encoding = ") +
DecodeDWARFEncoding(Val));
OutStreamer.AddComment(Twine("Encoding = ") + DecodeDWARFEncoding(Val));
}
OutStreamer.EmitIntValue(Val, 1);
@ -111,11 +124,16 @@ unsigned AsmPrinter::GetSizeOfEncodedValue(unsigned Encoding) const {
return 0;
switch (Encoding & 0x07) {
default: llvm_unreachable("Invalid encoded value.");
case dwarf::DW_EH_PE_absptr: return TM.getDataLayout()->getPointerSize();
case dwarf::DW_EH_PE_udata2: return 2;
case dwarf::DW_EH_PE_udata4: return 4;
case dwarf::DW_EH_PE_udata8: return 8;
default:
llvm_unreachable("Invalid encoded value.");
case dwarf::DW_EH_PE_absptr:
return TM.getDataLayout()->getPointerSize();
case dwarf::DW_EH_PE_udata2:
return 2;
case dwarf::DW_EH_PE_udata4:
return 4;
case dwarf::DW_EH_PE_udata8:
return 8;
}
}
@ -125,7 +143,7 @@ void AsmPrinter::EmitTTypeReference(const GlobalValue *GV,
const TargetLoweringObjectFile &TLOF = getObjFileLowering();
const MCExpr *Exp =
TLOF.getTTypeGlobalReference(GV, Mang, MMI, Encoding, OutStreamer);
TLOF.getTTypeGlobalReference(GV, Mang, MMI, Encoding, OutStreamer);
OutStreamer.EmitValue(Exp, GetSizeOfEncodedValue(Encoding));
} else
OutStreamer.EmitIntValue(0, GetSizeOfEncodedValue(Encoding));