Linux Perf
unwind-libunwind.c
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1 /*
2  * Copyright 2016 Chandan Kumar, IBM Corporation.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version
7  * 2 of the License, or (at your option) any later version.
8  */
9 
10 #include <errno.h>
11 #include <libunwind.h>
12 #include <asm/perf_regs.h>
13 #include "../../util/unwind.h"
14 #include "../../util/debug.h"
15 
16 int libunwind__arch_reg_id(int regnum)
17 {
18  switch (regnum) {
19  case UNW_PPC64_R0:
20  return PERF_REG_POWERPC_R0;
21  case UNW_PPC64_R1:
22  return PERF_REG_POWERPC_R1;
23  case UNW_PPC64_R2:
24  return PERF_REG_POWERPC_R2;
25  case UNW_PPC64_R3:
26  return PERF_REG_POWERPC_R3;
27  case UNW_PPC64_R4:
28  return PERF_REG_POWERPC_R4;
29  case UNW_PPC64_R5:
30  return PERF_REG_POWERPC_R5;
31  case UNW_PPC64_R6:
32  return PERF_REG_POWERPC_R6;
33  case UNW_PPC64_R7:
34  return PERF_REG_POWERPC_R7;
35  case UNW_PPC64_R8:
36  return PERF_REG_POWERPC_R8;
37  case UNW_PPC64_R9:
38  return PERF_REG_POWERPC_R9;
39  case UNW_PPC64_R10:
40  return PERF_REG_POWERPC_R10;
41  case UNW_PPC64_R11:
42  return PERF_REG_POWERPC_R11;
43  case UNW_PPC64_R12:
44  return PERF_REG_POWERPC_R12;
45  case UNW_PPC64_R13:
46  return PERF_REG_POWERPC_R13;
47  case UNW_PPC64_R14:
48  return PERF_REG_POWERPC_R14;
49  case UNW_PPC64_R15:
50  return PERF_REG_POWERPC_R15;
51  case UNW_PPC64_R16:
52  return PERF_REG_POWERPC_R16;
53  case UNW_PPC64_R17:
54  return PERF_REG_POWERPC_R17;
55  case UNW_PPC64_R18:
56  return PERF_REG_POWERPC_R18;
57  case UNW_PPC64_R19:
58  return PERF_REG_POWERPC_R19;
59  case UNW_PPC64_R20:
60  return PERF_REG_POWERPC_R20;
61  case UNW_PPC64_R21:
62  return PERF_REG_POWERPC_R21;
63  case UNW_PPC64_R22:
64  return PERF_REG_POWERPC_R22;
65  case UNW_PPC64_R23:
66  return PERF_REG_POWERPC_R23;
67  case UNW_PPC64_R24:
68  return PERF_REG_POWERPC_R24;
69  case UNW_PPC64_R25:
70  return PERF_REG_POWERPC_R25;
71  case UNW_PPC64_R26:
72  return PERF_REG_POWERPC_R26;
73  case UNW_PPC64_R27:
74  return PERF_REG_POWERPC_R27;
75  case UNW_PPC64_R28:
76  return PERF_REG_POWERPC_R28;
77  case UNW_PPC64_R29:
78  return PERF_REG_POWERPC_R29;
79  case UNW_PPC64_R30:
80  return PERF_REG_POWERPC_R30;
81  case UNW_PPC64_R31:
82  return PERF_REG_POWERPC_R31;
83  case UNW_PPC64_LR:
84  return PERF_REG_POWERPC_LINK;
85  case UNW_PPC64_CTR:
86  return PERF_REG_POWERPC_CTR;
87  case UNW_PPC64_XER:
88  return PERF_REG_POWERPC_XER;
89  case UNW_PPC64_NIP:
90  return PERF_REG_POWERPC_NIP;
91  default:
92  pr_err("unwind: invalid reg id %d\n", regnum);
93  return -EINVAL;
94  }
95  return -EINVAL;
96 }
libunwind__arch_reg_id
int libunwind__arch_reg_id(int regnum)
Definition: unwind-libunwind.c:9
pr_err
#define pr_err(fmt,...)
Definition: json.h:21