1 //===-- ARMAsmBackendDarwin.h   ARM Asm Backend Darwin ----------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H
11 #define LLVM_LIB_TARGET_ARM_ARMASMBACKENDDARWIN_H
12 
13 #include "ARMAsmBackend.h"
14 #include "llvm/BinaryFormat/MachO.h"
15 #include "llvm/MC/MCObjectWriter.h"
16 
17 namespace llvm {
18 class ARMAsmBackendDarwin : public ARMAsmBackend {
19   const MCRegisterInfo &MRI;
20 public:
21   const MachO::CPUSubTypeARM Subtype;
ARMAsmBackendDarwin(const Target & T,const MCSubtargetInfo & STI,const MCRegisterInfo & MRI,MachO::CPUSubTypeARM st)22   ARMAsmBackendDarwin(const Target &T, const MCSubtargetInfo &STI,
23                       const MCRegisterInfo &MRI, MachO::CPUSubTypeARM st)
24       : ARMAsmBackend(T, STI, support::little), MRI(MRI), Subtype(st) {}
25 
26   std::unique_ptr<MCObjectTargetWriter>
createObjectTargetWriter()27   createObjectTargetWriter() const override {
28     return createARMMachObjectWriter(/*Is64Bit=*/false, MachO::CPU_TYPE_ARM,
29                                      Subtype);
30   }
31 
32   uint32_t generateCompactUnwindEncoding(
33       ArrayRef<MCCFIInstruction> Instrs) const override;
34 };
35 } // end namespace llvm
36 
37 #endif
38