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; 23 ARMAsmBackendDarwin(const Target &T, const MCSubtargetInfo &STI, 24 const MCRegisterInfo &MRI) 25 : ARMAsmBackend(T, STI.getTargetTriple().isThumb(), support::little), 26 MRI(MRI), TT(STI.getTargetTriple()), 27 Subtype((MachO::CPUSubTypeARM)cantFail( 28 MachO::getCPUSubType(STI.getTargetTriple()))) {} 29 30 std::unique_ptr<MCObjectTargetWriter> 31 createObjectTargetWriter() const override { 32 return createARMMachObjectWriter( 33 /*Is64Bit=*/false, cantFail(MachO::getCPUType(TT)), Subtype); 34 } 35 36 uint32_t generateCompactUnwindEncoding(const MCDwarfFrameInfo *FI, 37 const MCContext *Ctxt) const override; 38 }; 39 } // end namespace llvm 40 41 #endif 42