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66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
//===-- XCoreTargetObjectFile.cpp - XCore object files --------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "XCoreTargetObjectFile.h"
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#include "XCoreSubtarget.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCSectionELF.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Support/ELF.h"
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using namespace llvm;
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void XCoreTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM){
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TargetLoweringObjectFileELF::Initialize(Ctx, TM);
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DataSection =
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Ctx.getELFSection(".dp.data", ELF::SHT_PROGBITS,
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ELF::SHF_ALLOC | ELF::SHF_WRITE |
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ELF::XCORE_SHF_DP_SECTION,
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SectionKind::getDataRel());
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BSSSection =
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Ctx.getELFSection(".dp.bss", ELF::SHT_NOBITS,
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ELF::SHF_ALLOC | ELF::SHF_WRITE |
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ELF::XCORE_SHF_DP_SECTION,
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SectionKind::getBSS());
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MergeableConst4Section =
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Ctx.getELFSection(".cp.rodata.cst4", ELF::SHT_PROGBITS,
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ELF::SHF_ALLOC | ELF::SHF_MERGE |
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ELF::XCORE_SHF_CP_SECTION,
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SectionKind::getMergeableConst4());
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MergeableConst8Section =
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Ctx.getELFSection(".cp.rodata.cst8", ELF::SHT_PROGBITS,
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ELF::SHF_ALLOC | ELF::SHF_MERGE |
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ELF::XCORE_SHF_CP_SECTION,
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SectionKind::getMergeableConst8());
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MergeableConst16Section =
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Ctx.getELFSection(".cp.rodata.cst16", ELF::SHT_PROGBITS,
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ELF::SHF_ALLOC | ELF::SHF_MERGE |
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ELF::XCORE_SHF_CP_SECTION,
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SectionKind::getMergeableConst16());
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// TLS globals are lowered in the backend to arrays indexed by the current
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// thread id. After lowering they require no special handling by the linker
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// and can be placed in the standard data / bss sections.
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TLSDataSection = DataSection;
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TLSBSSSection = BSSSection;
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ReadOnlySection =
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Ctx.getELFSection(".cp.rodata", ELF::SHT_PROGBITS,
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ELF::SHF_ALLOC |
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ELF::XCORE_SHF_CP_SECTION,
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SectionKind::getReadOnlyWithRel());
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// Dynamic linking is not supported. Data with relocations is placed in the
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// same section as data without relocations.
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DataRelSection = DataRelLocalSection = DataSection;
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DataRelROSection = DataRelROLocalSection = ReadOnlySection;
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}
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