1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
 
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5
 6#ifndef _ARCH_H
 7#define _ARCH_H
 8
 9#include <stdbool.h>
10#include <linux/list.h>
11#include "elf.h"
12#include "cfi.h"
13
14enum insn_type {
15	INSN_JUMP_CONDITIONAL,
16	INSN_JUMP_UNCONDITIONAL,
17	INSN_JUMP_DYNAMIC,
18	INSN_JUMP_DYNAMIC_CONDITIONAL,
19	INSN_CALL,
20	INSN_CALL_DYNAMIC,
21	INSN_RETURN,
22	INSN_CONTEXT_SWITCH,
23	INSN_STACK,
24	INSN_BUG,
25	INSN_NOP,
26	INSN_STAC,
27	INSN_CLAC,
28	INSN_STD,
29	INSN_CLD,
30	INSN_OTHER,
31};
32
33enum op_dest_type {
34	OP_DEST_REG,
35	OP_DEST_REG_INDIRECT,
36	OP_DEST_MEM,
37	OP_DEST_PUSH,
38	OP_DEST_PUSHF,
39	OP_DEST_LEAVE,
40};
41
42struct op_dest {
43	enum op_dest_type type;
44	unsigned char reg;
45	int offset;
46};
47
48enum op_src_type {
49	OP_SRC_REG,
50	OP_SRC_REG_INDIRECT,
51	OP_SRC_CONST,
52	OP_SRC_POP,
53	OP_SRC_POPF,
54	OP_SRC_ADD,
55	OP_SRC_AND,
56};
57
58struct op_src {
59	enum op_src_type type;
60	unsigned char reg;
61	int offset;
62};
63
64struct stack_op {
65	struct op_dest dest;
66	struct op_src src;
67};
68
69void arch_initial_func_cfi_state(struct cfi_state *state);
70
71int arch_decode_instruction(struct elf *elf, struct section *sec,
72			    unsigned long offset, unsigned int maxlen,
73			    unsigned int *len, enum insn_type *type,
74			    unsigned long *immediate, struct stack_op *op);
75
76bool arch_callee_saved_reg(unsigned char reg);
77
78#endif /* _ARCH_H */

 
 1/*
 2 * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public License
 6 * as published by the Free Software Foundation; either version 2
 7 * of the License, or (at your option) any later version.
 8 *
 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef _ARCH_H
19#define _ARCH_H
20
21#include <stdbool.h>
 
22#include "elf.h"
 
23
24#define INSN_FP_SAVE		1
25#define INSN_FP_SETUP		2
26#define INSN_FP_RESTORE		3
27#define INSN_JUMP_CONDITIONAL	4
28#define INSN_JUMP_UNCONDITIONAL	5
29#define INSN_JUMP_DYNAMIC	6
30#define INSN_CALL		7
31#define INSN_CALL_DYNAMIC	8
32#define INSN_RETURN		9
33#define INSN_CONTEXT_SWITCH	10
34#define INSN_BUG		11
35#define INSN_NOP		12
36#define INSN_OTHER		13
37#define INSN_LAST		INSN_OTHER
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
38
39int arch_decode_instruction(struct elf *elf, struct section *sec,
40			    unsigned long offset, unsigned int maxlen,
41			    unsigned int *len, unsigned char *type,
42			    unsigned long *displacement);
 
 
43
44#endif /* _ARCH_H */