cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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unwind-libunwind.c (2245B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright 2016 Chandan Kumar, IBM Corporation.
      4 */
      5
      6#include <errno.h>
      7#include <libunwind.h>
      8#include <asm/perf_regs.h>
      9#include "../../util/unwind.h"
     10#include "../../util/debug.h"
     11
     12int libunwind__arch_reg_id(int regnum)
     13{
     14	switch (regnum) {
     15	case UNW_PPC64_R0:
     16		return PERF_REG_POWERPC_R0;
     17	case UNW_PPC64_R1:
     18		return PERF_REG_POWERPC_R1;
     19	case UNW_PPC64_R2:
     20		return PERF_REG_POWERPC_R2;
     21	case UNW_PPC64_R3:
     22		return PERF_REG_POWERPC_R3;
     23	case UNW_PPC64_R4:
     24		return PERF_REG_POWERPC_R4;
     25	case UNW_PPC64_R5:
     26		return PERF_REG_POWERPC_R5;
     27	case UNW_PPC64_R6:
     28		return PERF_REG_POWERPC_R6;
     29	case UNW_PPC64_R7:
     30		return PERF_REG_POWERPC_R7;
     31	case UNW_PPC64_R8:
     32		return PERF_REG_POWERPC_R8;
     33	case UNW_PPC64_R9:
     34		return PERF_REG_POWERPC_R9;
     35	case UNW_PPC64_R10:
     36		return PERF_REG_POWERPC_R10;
     37	case UNW_PPC64_R11:
     38		return PERF_REG_POWERPC_R11;
     39	case UNW_PPC64_R12:
     40		return PERF_REG_POWERPC_R12;
     41	case UNW_PPC64_R13:
     42		return PERF_REG_POWERPC_R13;
     43	case UNW_PPC64_R14:
     44		return PERF_REG_POWERPC_R14;
     45	case UNW_PPC64_R15:
     46		return PERF_REG_POWERPC_R15;
     47	case UNW_PPC64_R16:
     48		return PERF_REG_POWERPC_R16;
     49	case UNW_PPC64_R17:
     50		return PERF_REG_POWERPC_R17;
     51	case UNW_PPC64_R18:
     52		return PERF_REG_POWERPC_R18;
     53	case UNW_PPC64_R19:
     54		return PERF_REG_POWERPC_R19;
     55	case UNW_PPC64_R20:
     56		return PERF_REG_POWERPC_R20;
     57	case UNW_PPC64_R21:
     58		return PERF_REG_POWERPC_R21;
     59	case UNW_PPC64_R22:
     60		return PERF_REG_POWERPC_R22;
     61	case UNW_PPC64_R23:
     62		return PERF_REG_POWERPC_R23;
     63	case UNW_PPC64_R24:
     64		return PERF_REG_POWERPC_R24;
     65	case UNW_PPC64_R25:
     66		return PERF_REG_POWERPC_R25;
     67	case UNW_PPC64_R26:
     68		return PERF_REG_POWERPC_R26;
     69	case UNW_PPC64_R27:
     70		return PERF_REG_POWERPC_R27;
     71	case UNW_PPC64_R28:
     72		return PERF_REG_POWERPC_R28;
     73	case UNW_PPC64_R29:
     74		return PERF_REG_POWERPC_R29;
     75	case UNW_PPC64_R30:
     76		return PERF_REG_POWERPC_R30;
     77	case UNW_PPC64_R31:
     78		return PERF_REG_POWERPC_R31;
     79	case UNW_PPC64_LR:
     80		return PERF_REG_POWERPC_LINK;
     81	case UNW_PPC64_CTR:
     82		return PERF_REG_POWERPC_CTR;
     83	case UNW_PPC64_XER:
     84		return PERF_REG_POWERPC_XER;
     85	case UNW_PPC64_NIP:
     86		return PERF_REG_POWERPC_NIP;
     87	default:
     88		pr_err("unwind: invalid reg id %d\n", regnum);
     89		return -EINVAL;
     90	}
     91	return -EINVAL;
     92}