Commit | Line | Data |
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71ad0f5e JO |
1 | |
2 | #include <errno.h> | |
3 | #include <libunwind.h> | |
4 | #include "perf_regs.h" | |
5 | #include "../../util/unwind.h" | |
84f5d36f | 6 | #include "../../util/debug.h" |
71ad0f5e | 7 | |
89fe808a | 8 | #ifdef HAVE_ARCH_X86_64_SUPPORT |
ea3da69d | 9 | int libunwind__arch_reg_id(int regnum) |
71ad0f5e JO |
10 | { |
11 | int id; | |
12 | ||
13 | switch (regnum) { | |
14 | case UNW_X86_64_RAX: | |
15 | id = PERF_REG_X86_AX; | |
16 | break; | |
17 | case UNW_X86_64_RDX: | |
18 | id = PERF_REG_X86_DX; | |
19 | break; | |
20 | case UNW_X86_64_RCX: | |
21 | id = PERF_REG_X86_CX; | |
22 | break; | |
23 | case UNW_X86_64_RBX: | |
24 | id = PERF_REG_X86_BX; | |
25 | break; | |
26 | case UNW_X86_64_RSI: | |
27 | id = PERF_REG_X86_SI; | |
28 | break; | |
29 | case UNW_X86_64_RDI: | |
30 | id = PERF_REG_X86_DI; | |
31 | break; | |
32 | case UNW_X86_64_RBP: | |
33 | id = PERF_REG_X86_BP; | |
34 | break; | |
35 | case UNW_X86_64_RSP: | |
36 | id = PERF_REG_X86_SP; | |
37 | break; | |
38 | case UNW_X86_64_R8: | |
39 | id = PERF_REG_X86_R8; | |
40 | break; | |
41 | case UNW_X86_64_R9: | |
42 | id = PERF_REG_X86_R9; | |
43 | break; | |
44 | case UNW_X86_64_R10: | |
45 | id = PERF_REG_X86_R10; | |
46 | break; | |
47 | case UNW_X86_64_R11: | |
48 | id = PERF_REG_X86_R11; | |
49 | break; | |
50 | case UNW_X86_64_R12: | |
51 | id = PERF_REG_X86_R12; | |
52 | break; | |
53 | case UNW_X86_64_R13: | |
54 | id = PERF_REG_X86_R13; | |
55 | break; | |
56 | case UNW_X86_64_R14: | |
57 | id = PERF_REG_X86_R14; | |
58 | break; | |
59 | case UNW_X86_64_R15: | |
60 | id = PERF_REG_X86_R15; | |
61 | break; | |
62 | case UNW_X86_64_RIP: | |
63 | id = PERF_REG_X86_IP; | |
64 | break; | |
65 | default: | |
66 | pr_err("unwind: invalid reg id %d\n", regnum); | |
67 | return -EINVAL; | |
68 | } | |
69 | ||
70 | return id; | |
71 | } | |
72 | #else | |
ea3da69d | 73 | int libunwind__arch_reg_id(int regnum) |
71ad0f5e JO |
74 | { |
75 | int id; | |
76 | ||
77 | switch (regnum) { | |
78 | case UNW_X86_EAX: | |
79 | id = PERF_REG_X86_AX; | |
80 | break; | |
81 | case UNW_X86_EDX: | |
82 | id = PERF_REG_X86_DX; | |
83 | break; | |
84 | case UNW_X86_ECX: | |
85 | id = PERF_REG_X86_CX; | |
86 | break; | |
87 | case UNW_X86_EBX: | |
88 | id = PERF_REG_X86_BX; | |
89 | break; | |
90 | case UNW_X86_ESI: | |
91 | id = PERF_REG_X86_SI; | |
92 | break; | |
93 | case UNW_X86_EDI: | |
94 | id = PERF_REG_X86_DI; | |
95 | break; | |
96 | case UNW_X86_EBP: | |
97 | id = PERF_REG_X86_BP; | |
98 | break; | |
99 | case UNW_X86_ESP: | |
100 | id = PERF_REG_X86_SP; | |
101 | break; | |
102 | case UNW_X86_EIP: | |
103 | id = PERF_REG_X86_IP; | |
104 | break; | |
105 | default: | |
106 | pr_err("unwind: invalid reg id %d\n", regnum); | |
107 | return -EINVAL; | |
108 | } | |
109 | ||
110 | return id; | |
111 | } | |
89fe808a | 112 | #endif /* HAVE_ARCH_X86_64_SUPPORT */ |