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/* Definitions for decoding the picoJava opcode table.

   Copyright 1999, 2002, 2003 Free Software Foundation, Inc.

   Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Names used to describe the type of instruction arguments, used by

   the assembler and disassembler.  Attributes are encoded in various fields. */

/*            reloc  size pcrel    uns */

#define O_N    0

#define O_16  (1<<4 | 2 | (0<<6) | (0<<3))

#define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))

#define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))

#define O_8   (3<<4 | 1 | (0<<6) | (0<<3))

#define O_U8  (3<<4 | 1 | (0<<6) | (1<<3))

#define O_R8  (4<<4 | 1 | (0<<6) | (0<<3))

#define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))

#define O_32  (6<<4 | 4 | (0<<6) | (0<<3))

#define ASIZE(x)  ((x) & 0x7)

#define PCREL(x)  (!!((x) & (1<<6)))

#define UNS(x)    (!!((x) & (1<<3)))

typedef struct pj_opc_info_t

{

  short opcode;

  short opcode_next;

  char len;

  unsigned char arg[2];

  union {

    const char *name;

    void (*func) (struct pj_opc_info_t *, char *);

  } u;

} pj_opc_info_t;