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/MCObjectWriter.h"
15 
16 namespace llvm {
17 class ARMAsmBackendDarwin : public ARMAsmBackend {
18   const MCRegisterInfo &MRI;
19 public:
20   const MachO::CPUSubTypeARM Subtype;
21   ARMAsmBackendDarwin(const Target &T, const MCSubtargetInfo &STI,
22                       const MCRegisterInfo &MRI, MachO::CPUSubTypeARM st)
23       : ARMAsmBackend(T, STI, support::little), MRI(MRI), Subtype(st) {}
24 
25   std::unique_ptr<MCObjectTargetWriter>
26   createObjectTargetWriter() const override {
27     return createARMMachObjectWriter(/*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