tools/objtool/cfi.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
   4  */
   5
   6 #ifndef _OBJTOOL_CFI_H
   7 #define _OBJTOOL_CFI_H
   8
   9 #define CFI_UNDEFINED           -1
  10 #define CFI_CFA                 -2
  11 #define CFI_SP_INDIRECT         -3
  12 #define CFI_BP_INDIRECT         -4
  13
  14 #define CFI_AX                  0
  15 #define CFI_DX                  1
  16 #define CFI_CX                  2
  17 #define CFI_BX                  3
  18 #define CFI_SI                  4
  19 #define CFI_DI                  5
  20 #define CFI_BP                  6
  21 #define CFI_SP                  7
  22 #define CFI_R8                  8
  23 #define CFI_R9                  9
  24 #define CFI_R10                 10
  25 #define CFI_R11                 11
  26 #define CFI_R12                 12
  27 #define CFI_R13                 13
  28 #define CFI_R14                 14
  29 #define CFI_R15                 15
  30 #define CFI_RA                  16
  31 #define CFI_NUM_REGS            17
  32
  33 struct cfi_reg {
  34         int base;
  35         int offset;
  36 };
  37
  38 struct cfi_state {
  39         struct cfi_reg cfa;
  40         struct cfi_reg regs[CFI_NUM_REGS];
  41 };
  42
  43 #endif /* _OBJTOOL_CFI_H */