1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _LIBUNWINDSTACK_REGS_ARM_H
18#define _LIBUNWINDSTACK_REGS_ARM_H
19
20#include <stdint.h>
21
22#include <functional>
23
24#include <unwindstack/Elf.h>
25#include <unwindstack/Regs.h>
26
27namespace unwindstack {
28
29// Forward declarations.
30class Memory;
31
32class RegsArm : public RegsImpl<uint32_t> {
33 public:
34  RegsArm();
35  virtual ~RegsArm() = default;
36
37  ArchEnum Arch() override final;
38
39  uint64_t GetPcAdjustment(uint64_t rel_pc, Elf* elf) override;
40
41  bool SetPcFromReturnAddress(Memory* process_memory) override;
42
43  bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
44
45  void IterateRegisters(std::function<void(const char*, uint64_t)>) override final;
46
47  uint64_t pc() override;
48  uint64_t sp() override;
49
50  void set_pc(uint64_t pc) override;
51  void set_sp(uint64_t sp) override;
52
53  Regs* Clone() override final;
54
55  static Regs* Read(void* data);
56
57  static Regs* CreateFromUcontext(void* ucontext);
58};
59
60}  // namespace unwindstack
61
62#endif  // _LIBUNWINDSTACK_REGS_ARM_H
63