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The EH symbols are only needed in eh_frame, not debug_frame. 

llvm-svn: 131146
This commit is contained in:
Rafael Espindola 2011-05-10 19:51:53 +00:00
parent 019cacca48
commit d0d2354258
2 changed files with 20 additions and 2 deletions
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4
llvm/lib/MC/MCDwarf.cpp
View File

@ -633,7 +633,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
MCSymbol *sectionStart;
if (asmInfo.isFunctionEHFrameSymbolPrivate())
if (asmInfo.isFunctionEHFrameSymbolPrivate() || !IsEH)
sectionStart = context.CreateTempSymbol();
else
sectionStart = context.GetOrCreateSymbol(Twine("EH_frame") + Twine(CIENum));
@ -739,7 +739,7 @@ MCSymbol *FrameEmitterImpl::EmitFDE(MCStreamer &streamer,
MCSymbol *fdeEnd = context.CreateTempSymbol();
const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
if (!asmInfo.isFunctionEHFrameSymbolPrivate()) {
if (!asmInfo.isFunctionEHFrameSymbolPrivate() && IsEH) {
MCSymbol *EHSym = context.GetOrCreateSymbol(
frame.Function->getName() + Twine(".eh"));
streamer.EmitEHSymAttributes(frame.Function, EHSym);

18
llvm/test/DebugInfo/eh_symbol.ll Normal file
View File

@ -0,0 +1,18 @@
; RUN: llc -mtriple=i386-apple-macosx -disable-cfi %s -o - | FileCheck %s
; test that we don't produce foo.eh symbols is a debug_frame section.
; CHECK-NOT: .globl _f.eh
define i32 @f() nounwind readnone optsize {
entry:
ret i32 42
}
!llvm.dbg.sp = !{!0}
!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"f", metadata !"f", metadata !"", metadata !1, i32 1, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 ()* @f, null, null} ; [ DW_TAG_subprogram ]
!1 = metadata !{i32 589865, metadata !"/home/espindola/llvm/test.c", metadata !"/home/espindola/tmpfs/build", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"/home/espindola/llvm/test.c", metadata !"/home/espindola/tmpfs/build", metadata !"clang version 3.0 ()", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
!4 = metadata !{metadata !5}
!5 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]