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mcize the rest of EH emission, only one more directive missing

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for darwin/x86 to be completely mcized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98130 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-10 02:48:06 +00:00
parent 49f618a1e4
commit 974c0fb404
1 changed files with 17 additions and 12 deletions
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29
lib/CodeGen/AsmPrinter/DwarfException.cpp
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@ -84,9 +84,13 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
// Begin eh frame section.
Asm->OutStreamer.SwitchSection(TLOF.getEHFrameSection());
MCSymbol *EHFrameSym;
if (MAI->is_EHSymbolPrivate())
O << MAI->getPrivateGlobalPrefix();
O << "EH_frame" << Index << ":\n";
EHFrameSym = getDWLabel("EH_frame", Index);
else
EHFrameSym = Asm->OutContext.GetOrCreateSymbol(Twine("EH_frame") +
Twine(Index));
Asm->OutStreamer.EmitLabel(EHFrameSym);
Asm->OutStreamer.EmitLabel(getDWLabel("section_eh_frame", Index));
@ -195,7 +199,8 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
// If corresponding function is weak definition, this should be too.
if (TheFunc->isWeakForLinker() && MAI->getWeakDefDirective())
O << MAI->getWeakDefDirective() << *EHFrameInfo.FunctionEHSym << '\n';
Asm->OutStreamer.EmitSymbolAttribute(EHFrameInfo.FunctionEHSym,
MCSA_WeakDefinition);
// If corresponding function is hidden, this should be too.
if (TheFunc->hasHiddenVisibility())
@ -211,7 +216,8 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
(!TheFunc->isWeakForLinker() ||
!MAI->getWeakDefDirective() ||
MAI->getSupportsWeakOmittedEHFrame())) {
O << *EHFrameInfo.FunctionEHSym << " = 0\n";
Asm->OutStreamer.EmitAssignment(EHFrameInfo.FunctionEHSym,
MCConstantExpr::Create(0, Asm->OutContext));
// This name has no connection to the function, so it might get
// dead-stripped when the function is not, erroneously. Prohibit
// dead-stripping unconditionally.
@ -219,7 +225,7 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
Asm->OutStreamer.EmitSymbolAttribute(EHFrameInfo.FunctionEHSym,
MCSA_NoDeadStrip);
} else {
O << *EHFrameInfo.FunctionEHSym << ":\n";
Asm->OutStreamer.EmitLabel(EHFrameInfo.FunctionEHSym);
// EH frame header.
Asm->OutStreamer.AddComment("Length of Frame Information Entry");
@ -699,15 +705,14 @@ void DwarfException::EmitExceptionTable() {
Asm->EmitAlignment(2, 0, 0, false);
// Emit the LSDA.
O << "GCC_except_table" << SubprogramCount << ":\n";
MCSymbol *GCCETSym =
Asm->OutContext.GetOrCreateSymbol(Twine("GCC_except_table")+
Twine(SubprogramCount));
Asm->OutStreamer.EmitLabel(GCCETSym);
Asm->OutStreamer.EmitLabel(getDWLabel("exception", SubprogramCount));
if (IsSJLJ) {
SmallString<16> LSDAName;
raw_svector_ostream(LSDAName) << MAI->getPrivateGlobalPrefix() <<
"_LSDA_" << Asm->getFunctionNumber();
O << LSDAName.str() << ":\n";
}
if (IsSJLJ)
Asm->OutStreamer.EmitLabel(getDWLabel("_LSDA_", Asm->getFunctionNumber()));
// Emit the LSDA header.
EmitEncodingByte(dwarf::DW_EH_PE_omit, "@LPStart");