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Add CFIStartSections to the asm printer. Add an assert that at least 

one of the sections is created.

llvm-svn: 131124
This commit is contained in:
Rafael Espindola 2011-05-10 13:39:48 +00:00
parent 72d74e4606
commit ec53aa9485
2 changed files with 20 additions and 0 deletions
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19
llvm/lib/MC/MCAsmStreamer.cpp
View File

@ -193,6 +193,7 @@ public:
unsigned Isa, unsigned Discriminator, unsigned Isa, unsigned Discriminator,
StringRef FileName); StringRef FileName);
virtual void EmitCFISections(bool EH, bool Debug);
virtual void EmitCFIStartProc(); virtual void EmitCFIStartProc();
virtual void EmitCFIEndProc(); virtual void EmitCFIEndProc();
virtual void EmitCFIDefCfa(int64_t Register, int64_t Offset); virtual void EmitCFIDefCfa(int64_t Register, int64_t Offset);
@ -764,6 +765,24 @@ void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
EmitEOL(); EmitEOL();
} }
void MCAsmStreamer::EmitCFISections(bool EH, bool Debug) {
MCStreamer::EmitCFISections(EH, Debug);
if (!UseCFI)
return;
OS << "\t.cfi_sections ";
if (EH) {
OS << ".eh_frame";
if (Debug)
OS << ", .debug_frame";
} else if (Debug) {
OS << ".debug_frame";
}
EmitEOL();
}
void MCAsmStreamer::EmitCFIStartProc() { void MCAsmStreamer::EmitCFIStartProc() {
MCStreamer::EmitCFIStartProc(); MCStreamer::EmitCFIStartProc();

1
llvm/lib/MC/MCStreamer.cpp
View File

@ -178,6 +178,7 @@ void MCStreamer::EmitLabel(MCSymbol *Symbol) {
} }
void MCStreamer::EmitCFISections(bool EH, bool Debug) { void MCStreamer::EmitCFISections(bool EH, bool Debug) {
assert(EH || Debug);
EmitEHFrame = EH; EmitEHFrame = EH;
EmitDebugFrame = Debug; EmitDebugFrame = Debug;
} }