// SPDX-License-Identifier: GPL-2.0

#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
#include "util/debug.h"

int libunwind__arch_reg_id(int regnum)
{
        switch (regnum) {
        case UNW_LOONGARCH64_R1:
                return PERF_REG_LOONGARCH_R1;
        case UNW_LOONGARCH64_R2:
                return PERF_REG_LOONGARCH_R2;
        case UNW_LOONGARCH64_R3:
                return PERF_REG_LOONGARCH_R3;
        case UNW_LOONGARCH64_R4:
                return PERF_REG_LOONGARCH_R4;
        case UNW_LOONGARCH64_R5:
                return PERF_REG_LOONGARCH_R5;
        case UNW_LOONGARCH64_R6:
                return PERF_REG_LOONGARCH_R6;
        case UNW_LOONGARCH64_R7:
                return PERF_REG_LOONGARCH_R7;
        case UNW_LOONGARCH64_R8:
                return PERF_REG_LOONGARCH_R8;
        case UNW_LOONGARCH64_R9:
                return PERF_REG_LOONGARCH_R9;
        case UNW_LOONGARCH64_R10:
                return PERF_REG_LOONGARCH_R10;
        case UNW_LOONGARCH64_R11:
                return PERF_REG_LOONGARCH_R11;
        case UNW_LOONGARCH64_R12:
                return PERF_REG_LOONGARCH_R12;
        case UNW_LOONGARCH64_R13:
                return PERF_REG_LOONGARCH_R13;
        case UNW_LOONGARCH64_R14:
                return PERF_REG_LOONGARCH_R14;
        case UNW_LOONGARCH64_R15:
                return PERF_REG_LOONGARCH_R15;
        case UNW_LOONGARCH64_R16:
                return PERF_REG_LOONGARCH_R16;
        case UNW_LOONGARCH64_R17:
                return PERF_REG_LOONGARCH_R17;
        case UNW_LOONGARCH64_R18:
                return PERF_REG_LOONGARCH_R18;
        case UNW_LOONGARCH64_R19:
                return PERF_REG_LOONGARCH_R19;
        case UNW_LOONGARCH64_R20:
                return PERF_REG_LOONGARCH_R20;
        case UNW_LOONGARCH64_R21:
                return PERF_REG_LOONGARCH_R21;
        case UNW_LOONGARCH64_R22:
                return PERF_REG_LOONGARCH_R22;
        case UNW_LOONGARCH64_R23:
                return PERF_REG_LOONGARCH_R23;
        case UNW_LOONGARCH64_R24:
                return PERF_REG_LOONGARCH_R24;
        case UNW_LOONGARCH64_R25:
                return PERF_REG_LOONGARCH_R25;
        case UNW_LOONGARCH64_R26:
                return PERF_REG_LOONGARCH_R26;
        case UNW_LOONGARCH64_R27:
                return PERF_REG_LOONGARCH_R27;
        case UNW_LOONGARCH64_R28:
                return PERF_REG_LOONGARCH_R28;
        case UNW_LOONGARCH64_R29:
                return PERF_REG_LOONGARCH_R29;
        case UNW_LOONGARCH64_R30:
                return PERF_REG_LOONGARCH_R30;
        case UNW_LOONGARCH64_R31:
                return PERF_REG_LOONGARCH_R31;
        case UNW_LOONGARCH64_PC:
                return PERF_REG_LOONGARCH_PC;
        default:
                pr_err("unwind: invalid reg id %d\n", regnum);
                return -EINVAL;
        }

        return -EINVAL;
}