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Add support for mergeable sections back into the XCore backend.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79368 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Osborne
2009-08-18 21:14:31 +00:00
parent 3731604f1f
commit 1123135dbf
3 changed files with 20 additions and 7 deletions
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lib/Target/XCore/XCoreTargetObjectFile.cpp
+18 -5
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@@ -28,11 +28,24 @@ void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getBSS(), false, getContext());
// For now, disable lowering of mergable sections, just drop everything into
// ReadOnly.
MergeableConst4Section = 0;
MergeableConst8Section = 0;
MergeableConst16Section = 0;
MergeableConst4Section =
MCSectionXCore::Create(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst4(), false,
getContext());
MergeableConst8Section =
MCSectionXCore::Create(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst8(), false,
getContext());
MergeableConst16Section =
MCSectionXCore::Create(".cp.rodata.cst16", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst16(), false,
getContext());
// TLS globals are lowered in the backend to arrays indexed by the current
// thread id. After lowering they require no special handling by the linker