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//===-- 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 "MCSectionXCore.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
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());
BSSSection =
MCSectionXCore::Create(".dp.bss", MCSectionELF::SHT_NOBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getBSS(), false, getContext());
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
// and can be placed in the standard data / bss sections.
TLSDataSection = DataSection;
TLSBSSSection = BSSSection;
if (TM.getSubtarget<XCoreSubtarget>().isXS1A())
ReadOnlySection = // FIXME: Why is this a writable section for XS1A?
MCSectionXCore::Create(".dp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE |
MCSectionXCore::SHF_DP_SECTION,
SectionKind::getDataRel(), false, getContext());
else
ReadOnlySection =
MCSectionXCore::Create(".cp.rodata", MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC |
MCSectionXCore::SHF_CP_SECTION,
SectionKind::getReadOnlyWithRel(), false,
getContext());
// Dynamic linking is not supported. Data with relocations is placed in the
// same section as data without relocations.
DataRelSection = DataRelLocalSection = DataSection;
DataRelROSection = DataRelROLocalSection = ReadOnlySection;
}
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