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23 lines
521 B
C
23 lines
521 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#include <libunwind.h>
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#include "perf_regs.h"
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#include "../../util/unwind.h"
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#include "util/debug.h"
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int libunwind__arch_reg_id(int regnum)
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{
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switch (regnum) {
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case UNW_MIPS_R1 ... UNW_MIPS_R25:
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return regnum - UNW_MIPS_R1 + PERF_REG_MIPS_R1;
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case UNW_MIPS_R28 ... UNW_MIPS_R31:
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return regnum - UNW_MIPS_R28 + PERF_REG_MIPS_R28;
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case UNW_MIPS_PC:
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return PERF_REG_MIPS_PC;
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default:
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pr_err("unwind: invalid reg id %d\n", regnum);
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return -EINVAL;
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}
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}
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