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

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