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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
*/
#ifndef _SPECIAL_H
#define _SPECIAL_H
#include <stdbool.h>
#include <objtool/check.h>
#include <objtool/elf.h>
#define C_JUMP_TABLE_SECTION ".rodata..c_jump_table"
struct special_alt {
struct list_head list;
bool group;
bool skip_orig;
bool skip_alt;
bool jump_or_nop;
struct section *orig_sec;
unsigned long orig_off;
struct section *new_sec;
unsigned long new_off;
unsigned int orig_len, new_len; /* group only */
u8 key_addend;
};
int special_get_alts(struct elf *elf, struct list_head *alts);
void arch_handle_alternative(unsigned short feature, struct special_alt *alt);
bool arch_support_alt_relocation(struct special_alt *special_alt,
struct instruction *insn,
struct reloc *reloc);
struct reloc *arch_find_switch_table(struct objtool_file *file,
struct instruction *insn);
#endif /* _SPECIAL_H */
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