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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
*/
#ifndef _CHECK_H
#define _CHECK_H
#include <stdbool.h>
#include "cfi.h"
#include "arch.h"
struct insn_state {
struct cfi_state cfi;
unsigned int uaccess_stack;
bool uaccess;
bool df;
bool noinstr;
s8 instr;
};
struct instruction {
struct list_head list;
struct hlist_node hash;
struct list_head static_call_node;
struct section *sec;
unsigned long offset;
unsigned int len;
enum insn_type type;
unsigned long immediate;
bool dead_end, ignore, ignore_alts;
bool hint;
bool retpoline_safe;
s8 instr;
u8 visited;
u8 ret_offset;
int alt_group;
struct symbol *call_dest;
struct instruction *jump_dest;
struct instruction *first_jump_src;
struct reloc *jump_table;
struct list_head alts;
struct symbol *func;
struct list_head stack_ops;
struct cfi_state cfi;
#ifdef INSN_USE_ORC
struct orc_entry orc;
#endif
};
static inline bool is_static_jump(struct instruction *insn)
{
return insn->type == INSN_JUMP_CONDITIONAL ||
insn->type == INSN_JUMP_UNCONDITIONAL;
}
struct instruction *find_insn(struct objtool_file *file,
struct section *sec, unsigned long offset);
#define for_each_insn(file, insn) \
list_for_each_entry(insn, &file->insn_list, list)
#define sec_for_each_insn(file, sec, insn) \
for (insn = find_insn(file, sec, 0); \
insn && &insn->list != &file->insn_list && \
insn->sec == sec; \
insn = list_next_entry(insn, list))
#endif /* _CHECK_H */
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