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