syn68k/runtime/native/i386/xlate.h

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2008-09-26 14:25:10 +00:00
#ifndef _xlate_h_
#define _xlate_h_
#include "syn68k_private.h"
#include "native.h"
typedef enum { NA=0, B=1, W=2, L=4, BW=3, BL=5, WL=6, BWL=7 } size_mask_t;
typedef enum
{
AMODE_NONE,
AMODE_IMM,
AMODE_REG,
AMODE_AREG,
AMODE_IND,
AMODE_POSTINC,
AMODE_PREDEC,
AMODE_INDOFF,
AMODE_ABS,
AMODE_INDIX,
} amode_t;
#define MEMORY_AMODE_P(a) ((a) >= AMODE_IND && (a) <= AMODE_INDIX)
#define REGISTER_AMODE_P(a) ((a) == AMODE_REG || (a) == AMODE_AREG)
typedef enum
{
OP_UNARY, /* e.g. negw a0@ */
OP_BINARY, /* e.g. addl d0,a5 */
OP_MOVE /* e.g. movel a0@(124),d0 */
} op_type_t;
typedef struct
{
amode_t amode; /* Addressing mode for how to grab this value. */
int operand_num[2]; /* Which ops specify this value (may not use all). */
} value_t;
#define MAX_XLATE_VALUES 2
typedef struct
{
const char *name;
op_type_t type;
size_mask_t sizes;
int cc_to_compute;
const char *i386_op;
value_t value[MAX_XLATE_VALUES]; /* For binops & moves, 2nd is the dest. */
} xlate_descriptor_t;
#ifndef NELEM
#define NELEM(a) ((sizeof (a)) / sizeof ((a)[0]))
#endif
extern guest_code_descriptor_t
*process_xlate_descriptor (const xlate_descriptor_t *x);
extern const xlate_descriptor_t xlate_table[];
#endif /* !_xlate_h_ */