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 #include "cfi_regs.h"
10
11 #define CFI_UNDEFINED -1
12 #define CFI_CFA -2
13 #define CFI_SP_INDIRECT -3
14 #define CFI_BP_INDIRECT -4
15
16 struct cfi_reg {
17 int base;
18 int offset;
19 };
20
21 struct cfi_init_state {
22 struct cfi_reg regs[CFI_NUM_REGS];
23 struct cfi_reg cfa;
24 };
25
26 struct cfi_state {
27 struct cfi_reg regs[CFI_NUM_REGS];
28 struct cfi_reg vals[CFI_NUM_REGS];
29 struct cfi_reg cfa;
30 int stack_size;
31 int drap_reg, drap_offset;
32 unsigned char type;
33 bool bp_scratch;
34 bool drap;
35 bool end;
36 };
37
38 #endif /* _OBJTOOL_CFI_H */
39
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