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1 /*
2  * Copyright 2024 Institute of Software, Chinese Academy of Sciences.
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_LOONGARCH64_DEFINE_H
16 #define UNWIND_LOONGARCH64_DEFINE_H
17 
18 #include <cinttypes>
19 #include <string>
20 #include <vector>
21 
22 namespace OHOS {
23 namespace HiviewDFX {
24 #define REGS_PRINT_LEN 1024
25 #define DWARF_PRESERVED_REGS_NUM 97
26 
27 enum RegsEnumLoongArch64 : uint16_t {
28     REG_LOONGARCH64_R0 = 0,
29     REG_LOONGARCH64_R1,
30     REG_LOONGARCH64_R2,
31     REG_LOONGARCH64_R3,
32     REG_LOONGARCH64_R4,
33     REG_LOONGARCH64_R5,
34     REG_LOONGARCH64_R6,
35     REG_LOONGARCH64_R7,
36     REG_LOONGARCH64_R8,
37     REG_LOONGARCH64_R9,
38     REG_LOONGARCH64_R10,
39     REG_LOONGARCH64_R11,
40     REG_LOONGARCH64_R12,
41     REG_LOONGARCH64_R13,
42     REG_LOONGARCH64_R14,
43     REG_LOONGARCH64_R15,
44     REG_LOONGARCH64_R16,
45     REG_LOONGARCH64_R17,
46     REG_LOONGARCH64_R18,
47     REG_LOONGARCH64_R19,
48     REG_LOONGARCH64_R20,
49     REG_LOONGARCH64_R21,
50     REG_LOONGARCH64_R22,
51     REG_LOONGARCH64_R23,
52     REG_LOONGARCH64_R24,
53     REG_LOONGARCH64_R25,
54     REG_LOONGARCH64_R26,
55     REG_LOONGARCH64_R27,
56     REG_LOONGARCH64_R28,
57     REG_LOONGARCH64_R29,
58     REG_LOONGARCH64_R30,
59     REG_LOONGARCH64_R31,
60     REG_LOONGARCH64_PC,
61     REG_LOONGARCH64_LAST,
62 
63     REG_SP = REG_LOONGARCH64_R3,
64     REG_LR = REG_LOONGARCH64_R1,
65     REG_FP = REG_LOONGARCH64_R22,
66     REG_PC = REG_LOONGARCH64_PC,
67     REG_EH = REG_LOONGARCH64_R0,
68     REG_LAST = REG_LOONGARCH64_LAST,
69 };
70 
71 static const std::vector<uint16_t> QUT_REGS {
72     REG_LOONGARCH64_R0,
73     REG_LOONGARCH64_R31,
74     REG_SP,
75     REG_PC,
76     REG_LR,
77 };
78 
79 struct RegsUserLoongArch64 {
80     uint64_t regs[31]; // 31
81     uint64_t sp;
82     uint64_t pc;
83     uint64_t pstate;
84 };
85 
86 typedef struct UnwindUContext {
87     RegsUserLoongArch64 userRegs;
88 } UnwindUContext_t;
89 } // namespace HiviewDFX
90 } // namespace OHOS
91 #endif
92