xref: /openbmc/linux/arch/s390/include/asm/dis.h (revision 7fbf8315)
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 
insn_length(unsigned char code)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 
is_known_insn(unsigned char * code)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