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/Support/MachO.h"
15 
16 namespace llvm {
17 class ARMAsmBackendDarwin : public ARMAsmBackend {
18   const MCRegisterInfo &MRI;
19 public:
20   const MachO::CPUSubTypeARM Subtype;
ARMAsmBackendDarwin(const Target & T,const Triple & TT,const MCRegisterInfo & MRI,MachO::CPUSubTypeARM st)21   ARMAsmBackendDarwin(const Target &T, const Triple &TT,
22                       const MCRegisterInfo &MRI, MachO::CPUSubTypeARM st)
23       : ARMAsmBackend(T, TT, /* IsLittleEndian */ true), MRI(MRI), Subtype(st) {
24   }
25 
createObjectWriter(raw_pwrite_stream & OS)26   MCObjectWriter *createObjectWriter(raw_pwrite_stream &OS) const override {
27     return createARMMachObjectWriter(OS, /*Is64Bit=*/false, MachO::CPU_TYPE_ARM,
28                                      Subtype);
29   }
30 
31   uint32_t generateCompactUnwindEncoding(
32       ArrayRef<MCCFIInstruction> Instrs) const override;
33 };
34 } // end namespace llvm
35 
36 #endif
37