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
16struct cfi_reg {
17	int base;
18	int offset;
19};
20
21struct cfi_init_state {
22	struct cfi_reg regs[CFI_NUM_REGS];
23	struct cfi_reg cfa;
24};
25
26struct 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 */