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

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

llvm-svn: 133685
This commit is contained in:
Bill Wendling
2011-06-23 05:13:28 +00:00
parent 084db10d4d
commit 9af2fa9d1b
5 changed files with 8 additions and 23 deletions

View File

@@ -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 =