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_DWARF_STRUCTS_H
18#define _LIBUNWINDSTACK_DWARF_STRUCTS_H
19
20#include <stdint.h>
21
22#include <vector>
23
24namespace unwindstack {
25
26struct DwarfCie {
27  uint8_t version = 0;
28  uint8_t fde_address_encoding = 0;
29  uint8_t lsda_encoding = 0;
30  uint8_t segment_size = 0;
31  std::vector<char> augmentation_string;
32  uint64_t personality_handler = 0;
33  uint64_t cfa_instructions_offset = 0;
34  uint64_t cfa_instructions_end = 0;
35  uint64_t code_alignment_factor = 0;
36  int64_t data_alignment_factor = 0;
37  uint64_t return_address_register = 0;
38};
39
40struct DwarfFde {
41  uint64_t cie_offset = 0;
42  uint64_t cfa_instructions_offset = 0;
43  uint64_t cfa_instructions_end = 0;
44  uint64_t pc_start = 0;
45  uint64_t pc_end = 0;
46  uint64_t lsda_address = 0;
47  const DwarfCie* cie = nullptr;
48};
49
50constexpr uint16_t CFA_REG = static_cast<uint16_t>(-1);
51
52}  // namespace unwindstack
53
54#endif  // _LIBUNWINDSTACK_DWARF_STRUCTS_H
55