LXR linux/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
  33struct cfi_reg {
  34        int base;
  35        int offset;
  36};
  37
  38struct cfi_state {
  39        struct cfi_reg cfa;
  40        struct cfi_reg regs[CFI_NUM_REGS];
  41};
  42
  43#endif /* _OBJTOOL_CFI_H */
  44