1
2
3
4
5
6
7
8
9
10
11#include <stddef.h>
12#include <dwarf-regs.h>
13
14struct pt_regs_dwarfnum {
15 const char *name;
16 unsigned int dwarfnum;
17};
18
19#define STR(s) #s
20#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
21#define GPR_DWARFNUM_NAME(num) \
22 {.name = STR(%x##num), .dwarfnum = num}
23#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
24
25
26
27
28
29static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
30 GPR_DWARFNUM_NAME(0),
31 GPR_DWARFNUM_NAME(1),
32 GPR_DWARFNUM_NAME(2),
33 GPR_DWARFNUM_NAME(3),
34 GPR_DWARFNUM_NAME(4),
35 GPR_DWARFNUM_NAME(5),
36 GPR_DWARFNUM_NAME(6),
37 GPR_DWARFNUM_NAME(7),
38 GPR_DWARFNUM_NAME(8),
39 GPR_DWARFNUM_NAME(9),
40 GPR_DWARFNUM_NAME(10),
41 GPR_DWARFNUM_NAME(11),
42 GPR_DWARFNUM_NAME(12),
43 GPR_DWARFNUM_NAME(13),
44 GPR_DWARFNUM_NAME(14),
45 GPR_DWARFNUM_NAME(15),
46 GPR_DWARFNUM_NAME(16),
47 GPR_DWARFNUM_NAME(17),
48 GPR_DWARFNUM_NAME(18),
49 GPR_DWARFNUM_NAME(19),
50 GPR_DWARFNUM_NAME(20),
51 GPR_DWARFNUM_NAME(21),
52 GPR_DWARFNUM_NAME(22),
53 GPR_DWARFNUM_NAME(23),
54 GPR_DWARFNUM_NAME(24),
55 GPR_DWARFNUM_NAME(25),
56 GPR_DWARFNUM_NAME(26),
57 GPR_DWARFNUM_NAME(27),
58 GPR_DWARFNUM_NAME(28),
59 GPR_DWARFNUM_NAME(29),
60 REG_DWARFNUM_NAME("%lr", 30),
61 REG_DWARFNUM_NAME("%sp", 31),
62 REG_DWARFNUM_END,
63};
64
65
66
67
68
69
70
71
72
73const char *get_arch_regstr(unsigned int n)
74{
75 const struct pt_regs_dwarfnum *roff;
76 for (roff = regdwarfnum_table; roff->name != NULL; roff++)
77 if (roff->dwarfnum == n)
78 return roff->name;
79 return NULL;
80}
81