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16f3006ec0
Any code creating an MCSectionELF knows ELF and already provides the flags. SectionKind is an abstraction used by common code that uses a plain MCSection. Use the flags to compute the SectionKind. This removes a lot of guessing and boilerplate from the MCSectionELF construction. llvm-svn: 227476
61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
//===-- 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/ADT/StringExtras.h"
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#include "llvm/IR/Mangler.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCExpr.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/TargetLowering.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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bool isAAPCS_ABI = TM.getSubtarget<ARMSubtarget>().isAAPCS_ABI();
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TargetLoweringObjectFileELF::Initialize(Ctx, TM);
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InitializeELF(isAAPCS_ABI);
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if (isAAPCS_ABI) {
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LSDASection = nullptr;
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}
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AttributesSection =
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getContext().getELFSection(".ARM.attributes", ELF::SHT_ARM_ATTRIBUTES, 0);
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}
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const MCExpr *ARMElfTargetObjectFile::getTTypeGlobalReference(
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const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
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const TargetMachine &TM, MachineModuleInfo *MMI,
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MCStreamer &Streamer) const {
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if (TM.getMCAsmInfo()->getExceptionHandlingType() != ExceptionHandling::ARM)
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return TargetLoweringObjectFileELF::getTTypeGlobalReference(
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GV, Encoding, Mang, TM, MMI, Streamer);
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assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
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return MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang),
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MCSymbolRefExpr::VK_ARM_TARGET2, getContext());
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}
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const MCExpr *ARMElfTargetObjectFile::
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getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
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return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_ARM_TLSLDO,
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getContext());
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}
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