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llvm-mirror/lib/Target/XCore/XCoreTargetObjectFile.cpp
Chris Lattner 1cf4bded13 move elf section uniquing to MCContext. Along the way
merge XCore's section into MCSectionELF

llvm-svn: 100812
2010-04-08 21:26:26 +00:00

65 lines
2.8 KiB
C++

//===-- XCoreTargetObjectFile.cpp - XCore object files --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "XCoreTargetObjectFile.h"
#include "XCoreSubtarget.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
DataSection =
Ctx.getELFSection(".dp.data", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionELF::XCORE_SHF_DP_SECTION,
SectionKind::getDataRel(), false);
BSSSection =
Ctx.getELFSection(".dp.bss", MCSectionELF::SHT_NOBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionELF::XCORE_SHF_DP_SECTION,
SectionKind::getBSS(), false);
MergeableConst4Section =
Ctx.getELFSection(".cp.rodata.cst4", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst4(), false);
MergeableConst8Section =
Ctx.getELFSection(".cp.rodata.cst8", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE |
MCSectionELF::XCORE_SHF_CP_SECTION,
SectionKind::getMergeableConst8(), false);
MergeableConst16Section =
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
// and can be placed in the standard data / bss sections.
TLSDataSection = DataSection;
TLSBSSSection = BSSSection;
ReadOnlySection =
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.
DataRelSection = DataRelLocalSection = DataSection;
DataRelROSection = DataRelROLocalSection = ReadOnlySection;
}