1 //===-- ARMAsmBackendDarwin.h ARM Asm Backend Darwin ----------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H 10 #define LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H 11 12 #include "ARMAsmBackend.h" 13 #include "llvm/BinaryFormat/MachO.h" 14 #include "llvm/MC/MCContext.h" 15 #include "llvm/MC/MCObjectWriter.h" 16 17 namespace llvm { 18 class ARMAsmBackendDarwin : public ARMAsmBackend { 19 const MCRegisterInfo &MRI; 20 Triple TT; 21 public: 22 const MachO::CPUSubTypeARM Subtype; ARMAsmBackendDarwin(const Target & T,const MCSubtargetInfo & STI,const MCRegisterInfo & MRI)23 ARMAsmBackendDarwin(const Target &T, const MCSubtargetInfo &STI, 24 const MCRegisterInfo &MRI) 25 : ARMAsmBackend(T, STI.getTargetTriple().isThumb(), 26 llvm::endianness::little), 27 MRI(MRI), TT(STI.getTargetTriple()), 28 Subtype((MachO::CPUSubTypeARM)cantFail( 29 MachO::getCPUSubType(STI.getTargetTriple()))) {} 30 31 std::unique_ptr<MCObjectTargetWriter> createObjectTargetWriter()32 createObjectTargetWriter() const override { 33 return createARMMachObjectWriter( 34 /*Is64Bit=*/false, cantFail(MachO::getCPUType(TT)), Subtype); 35 } 36 37 uint64_t generateCompactUnwindEncoding(const MCDwarfFrameInfo *FI, 38 const MCContext *Ctxt) const override; 39 }; 40 } // end namespace llvm 41 42 #endif 43