80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
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//===-- llvm/Target/ARMTargetObjectFile.cpp - ARM Object Info Impl --------===//
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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 "ARMTargetObjectFile.h"
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#include "ARMSubtarget.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/Support/Dwarf.h"
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#include "llvm/Support/ELF.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/ADT/StringExtras.h"
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using namespace llvm;
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using namespace dwarf;
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//===----------------------------------------------------------------------===//
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// ELF Target
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//===----------------------------------------------------------------------===//
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void ARMElfTargetObjectFile::Initialize(MCContext &Ctx,
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const TargetMachine &TM) {
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TargetLoweringObjectFileELF::Initialize(Ctx, TM);
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isAAPCS_ABI = TM.getSubtarget<ARMSubtarget>().isAAPCS_ABI();
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if (isAAPCS_ABI) {
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StaticCtorSection =
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getContext().getELFSection(".init_array", ELF::SHT_INIT_ARRAY,
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ELF::SHF_WRITE |
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ELF::SHF_ALLOC,
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SectionKind::getDataRel());
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StaticDtorSection =
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getContext().getELFSection(".fini_array", ELF::SHT_FINI_ARRAY,
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ELF::SHF_WRITE |
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ELF::SHF_ALLOC,
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SectionKind::getDataRel());
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LSDASection = NULL;
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}
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AttributesSection =
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getContext().getELFSection(".ARM.attributes",
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ELF::SHT_ARM_ATTRIBUTES,
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0,
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SectionKind::getMetadata());
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}
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const MCSection *
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ARMElfTargetObjectFile::getStaticCtorSection(unsigned Priority) const {
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if (!isAAPCS_ABI)
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return TargetLoweringObjectFileELF::getStaticCtorSection(Priority);
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if (Priority == 65535)
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return StaticCtorSection;
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// Emit ctors in priority order.
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std::string Name = std::string(".init_array.") + utostr(Priority);
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return getContext().getELFSection(Name, ELF::SHT_INIT_ARRAY,
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ELF::SHF_ALLOC | ELF::SHF_WRITE,
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SectionKind::getDataRel());
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}
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const MCSection *
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ARMElfTargetObjectFile::getStaticDtorSection(unsigned Priority) const {
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if (!isAAPCS_ABI)
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return TargetLoweringObjectFileELF::getStaticDtorSection(Priority);
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if (Priority == 65535)
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return StaticDtorSection;
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// Emit dtors in priority order.
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std::string Name = std::string(".fini_array.") + utostr(Priority);
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return getContext().getELFSection(Name, ELF::SHT_FINI_ARRAY,
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ELF::SHF_ALLOC | ELF::SHF_WRITE,
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SectionKind::getDataRel());
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}
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