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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef UNWIND_ARM_DEFINE_H
16 #define UNWIND_ARM_DEFINE_H
17 
18 #include <cinttypes>
19 #include <string>
20 #include <vector>
21 
22 namespace OHOS {
23 namespace HiviewDFX {
24 #define REGS_PRINT_LEN 256
25 #define DWARF_PRESERVED_REGS_NUM 128
26 
27 enum RegsEnumArm : uint16_t {
28     REG_ARM_R0 = 0,
29     REG_ARM_R1,
30     REG_ARM_R2,
31     REG_ARM_R3,
32     REG_ARM_R4,
33     REG_ARM_R5,
34     REG_ARM_R6,
35     REG_ARM_R7,
36     REG_ARM_R8,
37     REG_ARM_R9,
38     REG_ARM_R10,
39     REG_ARM_R11,
40     REG_ARM_R12,
41     REG_ARM_R13,
42     REG_ARM_R14,
43     REG_ARM_R15,
44     REG_ARM_CPSR,
45     REG_ARM_LAST,
46 
47     REG_FP = REG_ARM_R11,
48     REG_SP = REG_ARM_R13,
49     REG_LR = REG_ARM_R14,
50     REG_PC = REG_ARM_R15,
51     REG_EH = REG_ARM_R0,
52     REG_LAST = REG_ARM_LAST,
53 };
54 
55 static const std::vector<uint16_t> QUT_REGS {
56     REG_ARM_R7,
57     REG_ARM_R11,
58     REG_SP,
59     REG_PC,
60     REG_LR,
61 };
62 
63 struct RegsUserArm {
64     uint32_t regs[16]; // 16
65 };
66 
67 typedef struct UnwindUContext {
68     RegsUserArm userRegs;
69 } UnwindUContext_t;
70 } // namespace HiviewDFX
71 } // namespace OHOS
72 #endif
73