1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Disassemble s390 instructions.
 4 *
 5 * Copyright IBM Corp. 2007
 6 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 7 */
 8
 9#ifndef __ASM_S390_DIS_H__
10#define __ASM_S390_DIS_H__
11
12#include <asm/dis-defs.h>
13
14static inline int insn_length(unsigned char code)
15{
16	return ((((int) code + 64) >> 7) + 1) << 1;
17}
18
19struct pt_regs;
20
21void show_code(struct pt_regs *regs);
22void print_fn_code(unsigned char *code, unsigned long len);
23struct s390_insn *find_insn(unsigned char *code);
24
25static inline int is_known_insn(unsigned char *code)
26{
27	return !!find_insn(code);
28}
29
30#endif /* __ASM_S390_DIS_H__ */