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 */