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__ */

 
 1/*
 2 * Disassemble s390 instructions.
 3 *
 4 * Copyright IBM Corp. 2007
 5 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 6 */
 7
 8#ifndef __ASM_S390_DIS_H__
 9#define __ASM_S390_DIS_H__
10
11/* Type of operand */
12#define OPERAND_GPR	0x1	/* Operand printed as %rx */
13#define OPERAND_FPR	0x2	/* Operand printed as %fx */
14#define OPERAND_AR	0x4	/* Operand printed as %ax */
15#define OPERAND_CR	0x8	/* Operand printed as %cx */
16#define OPERAND_VR	0x10	/* Operand printed as %vx */
17#define OPERAND_DISP	0x20	/* Operand printed as displacement */
18#define OPERAND_BASE	0x40	/* Operand printed as base register */
19#define OPERAND_INDEX	0x80	/* Operand printed as index register */
20#define OPERAND_PCREL	0x100	/* Operand printed as pc-relative symbol */
21#define OPERAND_SIGNED	0x200	/* Operand printed as signed value */
22#define OPERAND_LENGTH	0x400	/* Operand printed as length (+1) */
23
24
25struct s390_operand {
26	int bits;		/* The number of bits in the operand. */
27	int shift;		/* The number of bits to shift. */
28	int flags;		/* One bit syntax flags. */
29};
30
31struct s390_insn {
32	const char name[5];
33	unsigned char opfrag;
34	unsigned char format;
35};
36
37
38static inline int insn_length(unsigned char code)
39{
40	return ((((int) code + 64) >> 7) + 1) << 1;
41}
42
 
 
43void show_code(struct pt_regs *regs);
44void print_fn_code(unsigned char *code, unsigned long len);
45int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
46struct s390_insn *find_insn(unsigned char *code);
47
48static inline int is_known_insn(unsigned char *code)
49{
50	return !!find_insn(code);
51}
52
53#endif /* __ASM_S390_DIS_H__ */