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move elf section uniquing to MCContext. Along the way

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merge XCore's section into MCSectionELF


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100812 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-08 21:26:26 +00:00
parent 2d16a67b94
commit 74aae4726a
18 changed files with 165 additions and 268 deletions
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55
lib/Target/XCore/XCoreTargetObjectFile.cpp
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@ -9,7 +9,8 @@
#include "XCoreTargetObjectFile.h"
#include "XCoreSubtarget.h"
#include "MCSectionXCore.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
@ -18,34 +19,31 @@ void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
DataSection =
MCSectionXCore::Create(".dp.data", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getDataRel(), false, getContext());
Ctx.getELFSection(".dp.data", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionELF::XCORE_SHF_DP_SECTION,
SectionKind::getDataRel(), false);
BSSSection =
MCSectionXCore::Create(".dp.bss", MCSectionELF::SHT_NOBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getBSS(), false, getContext());
Ctx.getELFSection(".dp.bss", MCSectionELF::SHT_NOBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionELF::XCORE_SHF_DP_SECTION,
SectionKind::getBSS(), false);
MergeableConst4Section =
MCSectionXCore::Create(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst4(), false,
getContext());
Ctx.getELFSection(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst4(), false);
MergeableConst8Section =
MCSectionXCore::Create(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst8(), false,
getContext());
Ctx.getELFSection(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst8(), false);
MergeableConst16Section =
MCSectionXCore::Create(".cp.rodata.cst16", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getMergeableConst16(), false,
getContext());
Ctx.getELFSection(".cp.rodata.cst16", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst16(), false);
// 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
@ -54,11 +52,10 @@ void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
TLSBSSSection = BSSSection;
ReadOnlySection =
MCSectionXCore::Create(".cp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel(), false,
getContext());
Ctx.getELFSection(".cp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel(), false);
// Dynamic linking is not supported. Data with relocations is placed in the
// same section as data without relocations.