include/asm/dis.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Disassemble s390 instructions.
0004  *
0005  * Copyright IBM Corp. 2007
0006  * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
0007  */
0008
0009 #ifndef __ASM_S390_DIS_H__
0010 #define __ASM_S390_DIS_H__
0011
0012 #include <asm/dis-defs.h>
0013
0014 static inline int insn_length(unsigned char code)
0015 {
0016     return ((((int) code + 64) >> 7) + 1) << 1;
0017 }
0018
0019 struct pt_regs;
0020
0021 void show_code(struct pt_regs *regs);
0022 void print_fn_code(unsigned char *code, unsigned long len);
0023 struct s390_insn *find_insn(unsigned char *code);
0024
0025 static inline int is_known_insn(unsigned char *code)
0026 {
0027     return !!find_insn(code);
0028 }
0029
0030 #endif /* __ASM_S390_DIS_H__ */