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//===-- llvm/Target/ARMTargetObjectFile.cpp - ARM Object Info Impl --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ARMTargetObjectFile.h"
#include "ARMTargetMachine.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ELF.h"
#include "llvm/Target/TargetLowering.h"
using namespace llvm;
using namespace dwarf;
//===----------------------------------------------------------------------===//
// ELF Target
//===----------------------------------------------------------------------===//
void ARMElfTargetObjectFile::Initialize(MCContext &Ctx,
const TargetMachine &TM) {
bool isAAPCS_ABI = static_cast<const ARMTargetMachine &>(TM).TargetABI ==
ARMTargetMachine::ARMABI::ARM_ABI_AAPCS;
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(isAAPCS_ABI);
if (isAAPCS_ABI) {
LSDASection = nullptr;
}
AttributesSection =
getContext().getELFSection(".ARM.attributes", ELF::SHT_ARM_ATTRIBUTES, 0);
}
const MCExpr *ARMElfTargetObjectFile::getTTypeGlobalReference(
const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
const TargetMachine &TM, MachineModuleInfo *MMI,
MCStreamer &Streamer) const {
if (TM.getMCAsmInfo()->getExceptionHandlingType() != ExceptionHandling::ARM)
return TargetLoweringObjectFileELF::getTTypeGlobalReference(
GV, Encoding, Mang, TM, MMI, Streamer);
assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
return MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang),
MCSymbolRefExpr::VK_ARM_TARGET2, getContext());
}
const MCExpr *ARMElfTargetObjectFile::
getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_ARM_TLSLDO,
getContext());
}
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