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Darwin doesn't need exception handling information for the "move" info when

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debug information is being output, because it's leet!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52994 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2008-07-01 23:34:48 +00:00
parent 6547e406cf
commit aa8f8889a8
5 changed files with 13 additions and 3 deletions
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7
include/llvm/Target/TargetAsmInfo.h
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@@ -413,6 +413,10 @@ namespace llvm {
/// ///
const char *DwarfExceptionSection; // Defaults to ".gcc_except_table". const char *DwarfExceptionSection; // Defaults to ".gcc_except_table".
/// DebugInfoRequireFrameMoveInfo - Does debugging info require frame move
/// info.
///
bool DebugInfoRequireFrameMoveInfo; // Defaults to "true"
//===--- CBE Asm Translation Table -----------------------------------===// //===--- CBE Asm Translation Table -----------------------------------===//
@@ -699,6 +703,9 @@ namespace llvm {
const char *getDwarfExceptionSection() const { const char *getDwarfExceptionSection() const {
return DwarfExceptionSection; return DwarfExceptionSection;
} }
bool doesDebugInfoRequireFrameMoveInfo() const {
return DebugInfoRequireFrameMoveInfo;
}
const char *const *getAsmCBE() const { const char *const *getAsmCBE() const {
return AsmTransCBE; return AsmTransCBE;
} }

4
lib/CodeGen/DwarfWriter.cpp
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@@ -827,7 +827,7 @@ protected:
/// ///
AsmPrinter *Asm; AsmPrinter *Asm;
/// TAI - Target Asm Printer. /// TAI - Target asm information.
const TargetAsmInfo *TAI; const TargetAsmInfo *TAI;
/// TD - Target data. /// TD - Target data.
@@ -3511,7 +3511,7 @@ public:
shouldEmitTable = true; shouldEmitTable = true;
// See if we need frame move info. // See if we need frame move info.
if (MMI->hasDebugInfo() || if ((MMI->hasDebugInfo() && TAI->doesDebugInfoRequireFrameMoveInfo()) ||
!MF->getFunction()->doesNotThrow() || !MF->getFunction()->doesNotThrow() ||
UnwindTablesMandatory) UnwindTablesMandatory)
shouldEmitMoves = true; shouldEmitMoves = true;

1
lib/Target/PowerPC/PPCTargetAsmInfo.cpp
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@@ -66,6 +66,7 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
DwarfEHFrameSection = DwarfEHFrameSection =
".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support"; ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
DwarfExceptionSection = ".section __DATA,__gcc_except_tab"; DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
DebugInfoRequireFrameMoveInfo = false;
GlobalEHDirective = "\t.globl\t"; GlobalEHDirective = "\t.globl\t";
SupportsWeakOmittedEHFrame = false; SupportsWeakOmittedEHFrame = false;

1
lib/Target/TargetAsmInfo.cpp
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@@ -111,6 +111,7 @@ TargetAsmInfo::TargetAsmInfo() :
DwarfMacInfoSection(".debug_macinfo"), DwarfMacInfoSection(".debug_macinfo"),
DwarfEHFrameSection(".eh_frame"), DwarfEHFrameSection(".eh_frame"),
DwarfExceptionSection(".gcc_except_table"), DwarfExceptionSection(".gcc_except_table"),
DebugInfoRequireFrameMoveInfo(true),
AsmTransCBE(0) { AsmTransCBE(0) {
} }

1
lib/Target/X86/X86TargetAsmInfo.cpp
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@@ -124,6 +124,7 @@ X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
DwarfEHFrameSection = DwarfEHFrameSection =
".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support"; ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
DwarfExceptionSection = ".section __DATA,__gcc_except_tab"; DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
DebugInfoRequireFrameMoveInfo = false;
break; break;
case X86Subtarget::isELF: case X86Subtarget::isELF: