source: trunk/libs/newlib/src/include/opcode/pj.h @ 666

Last change on this file since 666 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.8 KB
Line 
1/* Definitions for decoding the picoJava opcode table.
2   Copyright 1999, 2002, 2003, 2010 Free Software Foundation, Inc.
3   Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
18   MA 02110-1301, USA.  */
19
20/* Names used to describe the type of instruction arguments, used by
21   the assembler and disassembler.  Attributes are encoded in various fields. */
22
23/*            reloc  size pcrel    uns */
24#define O_N    0
25#define O_16  (1<<4 | 2 | (0<<6) | (0<<3))
26#define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))
27#define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))
28#define O_8   (3<<4 | 1 | (0<<6) | (0<<3))
29#define O_U8  (3<<4 | 1 | (0<<6) | (1<<3))
30#define O_R8  (4<<4 | 1 | (0<<6) | (0<<3))
31#define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))
32#define O_32  (6<<4 | 4 | (0<<6) | (0<<3))
33
34#define ASIZE(x)  ((x) & 0x7)
35#define PCREL(x)  (!!((x) & (1<<6)))
36#define UNS(x)    (!!((x) & (1<<3)))
37
38                 
39typedef struct pj_opc_info_t
40{
41  short opcode;
42  short opcode_next;
43  char len;
44  unsigned char arg[2];
45  union {
46    const char *name;
47    void (*func) (struct pj_opc_info_t *, char *);
48  } u;
49} pj_opc_info_t;
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