133965Sjdp/* Definitions for decoding the picoJava opcode table.
233965Sjdp   Copyright 1999, 2002, 2003, 2010 Free Software Foundation, Inc.
333965Sjdp   Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).
4218822Sdim
533965Sjdp   This program is free software; you can redistribute it and/or modify
6218822Sdim   it under the terms of the GNU General Public License as published by
733965Sjdp   the Free Software Foundation; either version 3 of the License, or
8218822Sdim   (at your option) any later version.
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10218822Sdim   This program is distributed in the hope that it will be useful,
11218822Sdim   but WITHOUT ANY WARRANTY; without even the implied warranty of
12218822Sdim   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13218822Sdim   GNU General Public License for more details.
1433965Sjdp
15218822Sdim   You should have received a copy of the GNU General Public License
16218822Sdim   along with this program; if not, write to the Free Software
17218822Sdim   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
18218822Sdim   MA 02110-1301, USA.  */
1933965Sjdp
2033965Sjdp/* Names used to describe the type of instruction arguments, used by
21218822Sdim   the assembler and disassembler.  Attributes are encoded in various fields. */
22218822Sdim
23218822Sdim/*            reloc  size pcrel    uns */
2433965Sjdp#define O_N    0
2533965Sjdp#define O_16  (1<<4 | 2 | (0<<6) | (0<<3))
2633965Sjdp#define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))
2733965Sjdp#define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))
2833965Sjdp#define O_8   (3<<4 | 1 | (0<<6) | (0<<3))
2933965Sjdp#define O_U8  (3<<4 | 1 | (0<<6) | (1<<3))
3033965Sjdp#define O_R8  (4<<4 | 1 | (0<<6) | (0<<3))
3133965Sjdp#define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))
3233965Sjdp#define O_32  (6<<4 | 4 | (0<<6) | (0<<3))
3333965Sjdp
3433965Sjdp#define ASIZE(x)  ((x) & 0x7)
3533965Sjdp#define PCREL(x)  (!!((x) & (1<<6)))
3633965Sjdp#define UNS(x)    (!!((x) & (1<<3)))
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3833965Sjdp
3933965Sjdptypedef struct pj_opc_info_t
4033965Sjdp{
4133965Sjdp  short opcode;
4233965Sjdp  short opcode_next;
4333965Sjdp  char len;
4433965Sjdp  unsigned char arg[2];
4533965Sjdp  union {
4633965Sjdp    const char *name;
4733965Sjdp    void (*func) (struct pj_opc_info_t *, char *);
4833965Sjdp  } u;
4933965Sjdp} pj_opc_info_t;
5033965Sjdp