]> Git Repo - linux.git/blob - tools/perf/arch/mips/util/unwind-libunwind.c
Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux...
[linux.git] / tools / perf / arch / mips / util / unwind-libunwind.c
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_MIPS_R1 ... UNW_MIPS_R25:
13                 return regnum - UNW_MIPS_R1 + PERF_REG_MIPS_R1;
14         case UNW_MIPS_R28 ... UNW_MIPS_R31:
15                 return regnum - UNW_MIPS_R28 + PERF_REG_MIPS_R28;
16         case UNW_MIPS_PC:
17                 return PERF_REG_MIPS_PC;
18         default:
19                 pr_err("unwind: invalid reg id %d\n", regnum);
20                 return -EINVAL;
21         }
22 }
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