[deliverable/linux.git] / arch / s390 / include / asm / dis.h

/*
 * Disassemble s390 instructions.
 *
 * Copyright IBM Corp. 2007
 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 */

#ifndef __ASM_S390_DIS_H__
#define __ASM_S390_DIS_H__

/* Type of operand */
#define OPERAND_GPR	0x1	/* Operand printed as %rx */
#define OPERAND_FPR	0x2	/* Operand printed as %fx */
#define OPERAND_AR	0x4	/* Operand printed as %ax */
#define OPERAND_CR	0x8	/* Operand printed as %cx */
#define OPERAND_VR	0x10	/* Operand printed as %vx */
#define OPERAND_DISP	0x20	/* Operand printed as displacement */
#define OPERAND_BASE	0x40	/* Operand printed as base register */
#define OPERAND_INDEX	0x80	/* Operand printed as index register */
#define OPERAND_PCREL	0x100	/* Operand printed as pc-relative symbol */
#define OPERAND_SIGNED	0x200	/* Operand printed as signed value */
#define OPERAND_LENGTH	0x400	/* Operand printed as length (+1) */


struct s390_operand {
	int bits;		/* The number of bits in the operand. */
	int shift;		/* The number of bits to shift. */
	int flags;		/* One bit syntax flags. */
};

struct s390_insn {
	const char name[5];
	unsigned char opfrag;
	unsigned char format;
};


static inline int insn_length(unsigned char code)
{
	return ((((int) code + 64) >> 7) + 1) << 1;
}

void show_code(struct pt_regs *regs);
void print_fn_code(unsigned char *code, unsigned long len);
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
struct s390_insn *find_insn(unsigned char *code);

static inline int is_known_insn(unsigned char *code)
{
	return !!find_insn(code);
}

#endif /* __ASM_S390_DIS_H__ */
Commit	Line	Data
648ae35c SP	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 */
3585cb02 MS	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) */
648ae35c SP	23
	24
	25	struct 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
	31	struct s390_insn {
	32	const char name[5];
	33	unsigned char opfrag;
	34	unsigned char format;
	35	};
	36
	37
	38	static inline int insn_length(unsigned char code)
	39	{
	40	return ((((int) code + 64) >> 7) + 1) << 1;
	41	}
	42
0f20822a HC	43	void show_code(struct pt_regs *regs);
	44	void print_fn_code(unsigned char *code, unsigned long len);
	45	int insn_to_mnemonic(unsigned char instruction, char buf, unsigned int len);
1ffa11ab HC	46	struct s390_insn find_insn(unsigned char code);
	47
	48	static inline int is_known_insn(unsigned char *code)
	49	{
	50	return !!find_insn(code);
	51	}
0f20822a	52
648ae35c	53	#endif /* __ASM_S390_DIS_H__ */