Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 */