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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
4 */
5
6#ifndef _SPECIAL_H
7#define _SPECIAL_H
8
9#include <stdbool.h>
10#include "check.h"
11#include "elf.h"
12
13#define C_JUMP_TABLE_SECTION ".rodata..c_jump_table"
14
15struct special_alt {
16 struct list_head list;
17
18 bool group;
19 bool skip_orig;
20 bool skip_alt;
21 bool jump_or_nop;
22
23 struct section *orig_sec;
24 unsigned long orig_off;
25
26 struct section *new_sec;
27 unsigned long new_off;
28
29 unsigned int orig_len, new_len; /* group only */
30};
31
32int special_get_alts(struct elf *elf, struct list_head *alts);
33
34void arch_handle_alternative(unsigned short feature, struct special_alt *alt);
35
36bool arch_support_alt_relocation(struct special_alt *special_alt,
37 struct instruction *insn,
38 struct reloc *reloc);
39struct reloc *arch_find_switch_table(struct objtool_file *file,
40 struct instruction *insn);
41#endif /* _SPECIAL_H */