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
14 static inline int insn_length(unsigned char code)
15 {
16 return ((((int) code + 64) >> 7) + 1) << 1;
17 }
18
19 struct pt_regs;
20
21 void show_code(struct pt_regs *regs);
22 void print_fn_code(unsigned char *code, unsigned long len);
23 struct s390_insn *find_insn(unsigned char *code);
24
25 static inline int is_known_insn(unsigned char *code)
26 {
27 return !!find_insn(code);
28 }
29
30 #endif /* __ASM_S390_DIS_H__ */
31
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