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Use the presence of the __compact_unwind section to indicate that a target

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supports compact unwind info instead of having a separate flag indicating this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133685 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-06-23 05:13:28 +00:00
parent 9dbbd87938
commit 4c0c446d74
5 changed files with 8 additions and 23 deletions
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17
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -487,12 +487,8 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
// .comm doesn't support alignment before Leopard.
Triple T(((LLVMTargetMachine&)TM).getTargetTriple());
if (T.isMacOSX()) {
if (T.isMacOSXVersionLT(10, 5))
CommDirectiveSupportsAlignment = false;
if (!T.isMacOSXVersionLT(10, 6))
SupportsCompactUnwindInfo = true;
}
if (T.isMacOSX() && T.isMacOSXVersionLT(10, 5))
CommDirectiveSupportsAlignment = false;
TargetLoweringObjectFile::Initialize(Ctx, TM);
@ -610,10 +606,11 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
LSDASection = getContext().getMachOSection("__TEXT", "__gcc_except_tab", 0,
SectionKind::getReadOnlyWithRel());
CompactUnwindSection =
getContext().getMachOSection("__LD", "__compact_unwind",
MCSectionMachO::S_ATTR_DEBUG,
SectionKind::getReadOnly());
if (T.isMacOSX() && !T.isMacOSXVersionLT(10, 6))
CompactUnwindSection =
getContext().getMachOSection("__LD", "__compact_unwind",
MCSectionMachO::S_ATTR_DEBUG,
SectionKind::getReadOnly());
// Debug Information.
DwarfAbbrevSection =