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Use the dwarf->llvm mapping to print register names in the cfi

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directives.

Fixes PR9826.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-05-30 20:20:15 +00:00
parent acbf107d9b
commit 6e032942cf
40 changed files with 183 additions and 26 deletions
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30
lib/MC/MCAsmStreamer.cpp
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@@ -54,6 +54,8 @@ class MCAsmStreamer : public MCStreamer {
bool needsSet(const MCExpr *Value);
void EmitRegisterName(int64_t Register);
public:
MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os,
bool isVerboseAsm, bool useLoc, bool useCFI,
@@ -819,13 +821,25 @@ void MCAsmStreamer::EmitCFIEndProc() {
EmitEOL();
}
void MCAsmStreamer::EmitRegisterName(int64_t Register) {
if (InstPrinter) {
const TargetAsmInfo &asmInfo = getContext().getTargetAsmInfo();
unsigned LLVMRegister = asmInfo.getLLVMRegNum(Register, true);
OS << '%' << InstPrinter->getRegName(LLVMRegister);
} else {
OS << Register;
}
}
void MCAsmStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) {
MCStreamer::EmitCFIDefCfa(Register, Offset);
if (!UseCFI)
return;
OS << "\t.cfi_def_cfa " << Register << ", " << Offset;
OS << "\t.cfi_def_cfa ";
EmitRegisterName(Register);
OS << ", " << Offset;
EmitEOL();
}
@@ -845,7 +859,8 @@ void MCAsmStreamer::EmitCFIDefCfaRegister(int64_t Register) {
if (!UseCFI)
return;
OS << "\t.cfi_def_cfa_register " << Register;
OS << "\t.cfi_def_cfa_register ";
EmitRegisterName(Register);
EmitEOL();
}
@@ -855,7 +870,9 @@ void MCAsmStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) {
if (!UseCFI)
return;
OS << "\t.cfi_offset " << Register << ", " << Offset;
OS << "\t.cfi_offset ";
EmitRegisterName(Register);
OS << ", " << Offset;
EmitEOL();
}
@@ -906,7 +923,8 @@ void MCAsmStreamer::EmitCFISameValue(int64_t Register) {
if (!UseCFI)
return;
OS << "\t.cfi_same_value " << Register;
OS << "\t.cfi_same_value ";
EmitRegisterName(Register);
EmitEOL();
}
@@ -916,7 +934,9 @@ void MCAsmStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) {
if (!UseCFI)
return;
OS << "\t.cfi_rel_offset " << Register << ", " << Offset;
OS << "\t.cfi_rel_offset ";
EmitRegisterName(Register);
OS << ", " << Offset;
EmitEOL();
}