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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/tools/perf/arch/powerpc/util/unwind-libunwind.c
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// SPDX-License-Identifier: GPL-2.0-or-later

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/*

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 * Copyright 2016 Chandan Kumar, IBM Corporation.

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 */

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#include <errno.h>

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#include <libunwind.h>

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#include <asm/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_PPC64_R0:

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		return PERF_REG_POWERPC_R0;

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	case UNW_PPC64_R1:

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		return PERF_REG_POWERPC_R1;

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	case UNW_PPC64_R2:

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		return PERF_REG_POWERPC_R2;

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	case UNW_PPC64_R3:

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		return PERF_REG_POWERPC_R3;

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	case UNW_PPC64_R4:

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		return PERF_REG_POWERPC_R4;

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	case UNW_PPC64_R5:

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		return PERF_REG_POWERPC_R5;

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	case UNW_PPC64_R6:

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		return PERF_REG_POWERPC_R6;

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	case UNW_PPC64_R7:

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		return PERF_REG_POWERPC_R7;

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	case UNW_PPC64_R8:

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		return PERF_REG_POWERPC_R8;

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	case UNW_PPC64_R9:

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		return PERF_REG_POWERPC_R9;

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	case UNW_PPC64_R10:

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		return PERF_REG_POWERPC_R10;

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	case UNW_PPC64_R11:

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		return PERF_REG_POWERPC_R11;

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	case UNW_PPC64_R12:

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		return PERF_REG_POWERPC_R12;

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	case UNW_PPC64_R13:

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		return PERF_REG_POWERPC_R13;

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	case UNW_PPC64_R14:

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		return PERF_REG_POWERPC_R14;

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	case UNW_PPC64_R15:

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		return PERF_REG_POWERPC_R15;

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	case UNW_PPC64_R16:

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		return PERF_REG_POWERPC_R16;

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	case UNW_PPC64_R17:

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		return PERF_REG_POWERPC_R17;

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	case UNW_PPC64_R18:

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		return PERF_REG_POWERPC_R18;

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	case UNW_PPC64_R19:

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		return PERF_REG_POWERPC_R19;

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	case UNW_PPC64_R20:

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		return PERF_REG_POWERPC_R20;

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	case UNW_PPC64_R21:

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		return PERF_REG_POWERPC_R21;

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	case UNW_PPC64_R22:

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		return PERF_REG_POWERPC_R22;

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	case UNW_PPC64_R23:

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		return PERF_REG_POWERPC_R23;

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	case UNW_PPC64_R24:

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		return PERF_REG_POWERPC_R24;

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	case UNW_PPC64_R25:

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		return PERF_REG_POWERPC_R25;

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	case UNW_PPC64_R26:

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		return PERF_REG_POWERPC_R26;

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	case UNW_PPC64_R27:

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		return PERF_REG_POWERPC_R27;

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	case UNW_PPC64_R28:

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		return PERF_REG_POWERPC_R28;

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	case UNW_PPC64_R29:

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		return PERF_REG_POWERPC_R29;

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	case UNW_PPC64_R30:

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		return PERF_REG_POWERPC_R30;

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	case UNW_PPC64_R31:

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		return PERF_REG_POWERPC_R31;

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	case UNW_PPC64_LR:

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		return PERF_REG_POWERPC_LINK;

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	case UNW_PPC64_CTR:

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		return PERF_REG_POWERPC_CTR;

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	case UNW_PPC64_XER:

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		return PERF_REG_POWERPC_XER;

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	case UNW_PPC64_NIP:

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		return PERF_REG_POWERPC_NIP;

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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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	return -EINVAL;

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}

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