| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | #include <errno.h> |
| 4 | #include <libunwind.h> |
| 5 | #include "perf_regs.h" |
| 6 | #include "../../util/unwind.h" |
| 7 | #include "../../util/debug.h" |
| 8 | |
| 9 | int libunwind__arch_reg_id(int regnum) |
| 10 | { |
| 11 | switch (regnum) { |
| 12 | case UNW_ARM_R0: |
| 13 | return PERF_REG_ARM_R0; |
| 14 | case UNW_ARM_R1: |
| 15 | return PERF_REG_ARM_R1; |
| 16 | case UNW_ARM_R2: |
| 17 | return PERF_REG_ARM_R2; |
| 18 | case UNW_ARM_R3: |
| 19 | return PERF_REG_ARM_R3; |
| 20 | case UNW_ARM_R4: |
| 21 | return PERF_REG_ARM_R4; |
| 22 | case UNW_ARM_R5: |
| 23 | return PERF_REG_ARM_R5; |
| 24 | case UNW_ARM_R6: |
| 25 | return PERF_REG_ARM_R6; |
| 26 | case UNW_ARM_R7: |
| 27 | return PERF_REG_ARM_R7; |
| 28 | case UNW_ARM_R8: |
| 29 | return PERF_REG_ARM_R8; |
| 30 | case UNW_ARM_R9: |
| 31 | return PERF_REG_ARM_R9; |
| 32 | case UNW_ARM_R10: |
| 33 | return PERF_REG_ARM_R10; |
| 34 | case UNW_ARM_R11: |
| 35 | return PERF_REG_ARM_FP; |
| 36 | case UNW_ARM_R12: |
| 37 | return PERF_REG_ARM_IP; |
| 38 | case UNW_ARM_R13: |
| 39 | return PERF_REG_ARM_SP; |
| 40 | case UNW_ARM_R14: |
| 41 | return PERF_REG_ARM_LR; |
| 42 | case UNW_ARM_R15: |
| 43 | return PERF_REG_ARM_PC; |
| 44 | default: |
| 45 | pr_err("unwind: invalid reg id %d\n", regnum); |
| 46 | return -EINVAL; |
| 47 | } |
| 48 | |
| 49 | return -EINVAL; |
| 50 | } |