| //===-- 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 "ARMSubtarget.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 = TM.getSubtarget<ARMSubtarget>().isAAPCS_ABI(); |
| TargetLoweringObjectFileELF::Initialize(Ctx, TM); |
| InitializeELF(isAAPCS_ABI); |
| |
| if (isAAPCS_ABI) { |
| LSDASection = nullptr; |
| } |
| |
| AttributesSection = |
| getContext().getELFSection(".ARM.attributes", |
| ELF::SHT_ARM_ATTRIBUTES, |
| 0, |
| SectionKind::getMetadata()); |
| } |
| |
| 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()); |
| } |