| Jiri Olsa | 71ad0f5 | 2012-08-07 15:20:46 +0200 | [diff] [blame] | 1 | |
| 2 | #include <errno.h> |
| 3 | #include <libunwind.h> |
| 4 | #include "perf_regs.h" |
| 5 | #include "../../util/unwind.h" |
| 6 | |
| Ingo Molnar | 89fe808 | 2013-09-30 12:07:11 +0200 | [diff] [blame] | 7 | #ifdef HAVE_ARCH_X86_64_SUPPORT |
| Jiri Olsa | 71ad0f5 | 2012-08-07 15:20:46 +0200 | [diff] [blame] | 8 | int unwind__arch_reg_id(int regnum) |
| 9 | { |
| 10 | int id; |
| 11 | |
| 12 | switch (regnum) { |
| 13 | case UNW_X86_64_RAX: |
| 14 | id = PERF_REG_X86_AX; |
| 15 | break; |
| 16 | case UNW_X86_64_RDX: |
| 17 | id = PERF_REG_X86_DX; |
| 18 | break; |
| 19 | case UNW_X86_64_RCX: |
| 20 | id = PERF_REG_X86_CX; |
| 21 | break; |
| 22 | case UNW_X86_64_RBX: |
| 23 | id = PERF_REG_X86_BX; |
| 24 | break; |
| 25 | case UNW_X86_64_RSI: |
| 26 | id = PERF_REG_X86_SI; |
| 27 | break; |
| 28 | case UNW_X86_64_RDI: |
| 29 | id = PERF_REG_X86_DI; |
| 30 | break; |
| 31 | case UNW_X86_64_RBP: |
| 32 | id = PERF_REG_X86_BP; |
| 33 | break; |
| 34 | case UNW_X86_64_RSP: |
| 35 | id = PERF_REG_X86_SP; |
| 36 | break; |
| 37 | case UNW_X86_64_R8: |
| 38 | id = PERF_REG_X86_R8; |
| 39 | break; |
| 40 | case UNW_X86_64_R9: |
| 41 | id = PERF_REG_X86_R9; |
| 42 | break; |
| 43 | case UNW_X86_64_R10: |
| 44 | id = PERF_REG_X86_R10; |
| 45 | break; |
| 46 | case UNW_X86_64_R11: |
| 47 | id = PERF_REG_X86_R11; |
| 48 | break; |
| 49 | case UNW_X86_64_R12: |
| 50 | id = PERF_REG_X86_R12; |
| 51 | break; |
| 52 | case UNW_X86_64_R13: |
| 53 | id = PERF_REG_X86_R13; |
| 54 | break; |
| 55 | case UNW_X86_64_R14: |
| 56 | id = PERF_REG_X86_R14; |
| 57 | break; |
| 58 | case UNW_X86_64_R15: |
| 59 | id = PERF_REG_X86_R15; |
| 60 | break; |
| 61 | case UNW_X86_64_RIP: |
| 62 | id = PERF_REG_X86_IP; |
| 63 | break; |
| 64 | default: |
| 65 | pr_err("unwind: invalid reg id %d\n", regnum); |
| 66 | return -EINVAL; |
| 67 | } |
| 68 | |
| 69 | return id; |
| 70 | } |
| 71 | #else |
| 72 | int unwind__arch_reg_id(int regnum) |
| 73 | { |
| 74 | int id; |
| 75 | |
| 76 | switch (regnum) { |
| 77 | case UNW_X86_EAX: |
| 78 | id = PERF_REG_X86_AX; |
| 79 | break; |
| 80 | case UNW_X86_EDX: |
| 81 | id = PERF_REG_X86_DX; |
| 82 | break; |
| 83 | case UNW_X86_ECX: |
| 84 | id = PERF_REG_X86_CX; |
| 85 | break; |
| 86 | case UNW_X86_EBX: |
| 87 | id = PERF_REG_X86_BX; |
| 88 | break; |
| 89 | case UNW_X86_ESI: |
| 90 | id = PERF_REG_X86_SI; |
| 91 | break; |
| 92 | case UNW_X86_EDI: |
| 93 | id = PERF_REG_X86_DI; |
| 94 | break; |
| 95 | case UNW_X86_EBP: |
| 96 | id = PERF_REG_X86_BP; |
| 97 | break; |
| 98 | case UNW_X86_ESP: |
| 99 | id = PERF_REG_X86_SP; |
| 100 | break; |
| 101 | case UNW_X86_EIP: |
| 102 | id = PERF_REG_X86_IP; |
| 103 | break; |
| 104 | default: |
| 105 | pr_err("unwind: invalid reg id %d\n", regnum); |
| 106 | return -EINVAL; |
| 107 | } |
| 108 | |
| 109 | return id; |
| 110 | } |
| Ingo Molnar | 89fe808 | 2013-09-30 12:07:11 +0200 | [diff] [blame] | 111 | #endif /* HAVE_ARCH_X86_64_SUPPORT */ |