tools/perf/arch/arm64/util/unwind-libunwind.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <errno.h>
   3
   4 #ifndef REMOTE_UNWIND_LIBUNWIND
   5 #include <libunwind.h>
   6 #include "perf_regs.h"
   7 #include "../../util/unwind.h"
   8 #endif
   9 #include "../../util/debug.h"
  10
  11 int LIBUNWIND__ARCH_REG_ID(int regnum)
  12 {
  13         switch (regnum) {
  14         case UNW_AARCH64_X0:
  15                 return PERF_REG_ARM64_X0;
  16         case UNW_AARCH64_X1:
  17                 return PERF_REG_ARM64_X1;
  18         case UNW_AARCH64_X2:
  19                 return PERF_REG_ARM64_X2;
  20         case UNW_AARCH64_X3:
  21                 return PERF_REG_ARM64_X3;
  22         case UNW_AARCH64_X4:
  23                 return PERF_REG_ARM64_X4;
  24         case UNW_AARCH64_X5:
  25                 return PERF_REG_ARM64_X5;
  26         case UNW_AARCH64_X6:
  27                 return PERF_REG_ARM64_X6;
  28         case UNW_AARCH64_X7:
  29                 return PERF_REG_ARM64_X7;
  30         case UNW_AARCH64_X8:
  31                 return PERF_REG_ARM64_X8;
  32         case UNW_AARCH64_X9:
  33                 return PERF_REG_ARM64_X9;
  34         case UNW_AARCH64_X10:
  35                 return PERF_REG_ARM64_X10;
  36         case UNW_AARCH64_X11:
  37                 return PERF_REG_ARM64_X11;
  38         case UNW_AARCH64_X12:
  39                 return PERF_REG_ARM64_X12;
  40         case UNW_AARCH64_X13:
  41                 return PERF_REG_ARM64_X13;
  42         case UNW_AARCH64_X14:
  43                 return PERF_REG_ARM64_X14;
  44         case UNW_AARCH64_X15:
  45                 return PERF_REG_ARM64_X15;
  46         case UNW_AARCH64_X16:
  47                 return PERF_REG_ARM64_X16;
  48         case UNW_AARCH64_X17:
  49                 return PERF_REG_ARM64_X17;
  50         case UNW_AARCH64_X18:
  51                 return PERF_REG_ARM64_X18;
  52         case UNW_AARCH64_X19:
  53                 return PERF_REG_ARM64_X19;
  54         case UNW_AARCH64_X20:
  55                 return PERF_REG_ARM64_X20;
  56         case UNW_AARCH64_X21:
  57                 return PERF_REG_ARM64_X21;
  58         case UNW_AARCH64_X22:
  59                 return PERF_REG_ARM64_X22;
  60         case UNW_AARCH64_X23:
  61                 return PERF_REG_ARM64_X23;
  62         case UNW_AARCH64_X24:
  63                 return PERF_REG_ARM64_X24;
  64         case UNW_AARCH64_X25:
  65                 return PERF_REG_ARM64_X25;
  66         case UNW_AARCH64_X26:
  67                 return PERF_REG_ARM64_X26;
  68         case UNW_AARCH64_X27:
  69                 return PERF_REG_ARM64_X27;
  70         case UNW_AARCH64_X28:
  71                 return PERF_REG_ARM64_X28;
  72         case UNW_AARCH64_X29:
  73                 return PERF_REG_ARM64_X29;
  74         case UNW_AARCH64_X30:
  75                 return PERF_REG_ARM64_LR;
  76         case UNW_AARCH64_SP:
  77                 return PERF_REG_ARM64_SP;
  78         case UNW_AARCH64_PC:
  79                 return PERF_REG_ARM64_PC;
  80         default:
  81                 pr_err("unwind: invalid reg id %d\n", regnum);
  82                 return -EINVAL;
  83         }
  84
  85         return -EINVAL;
  86 }