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8340b17f | 1 | /* Definitions for decoding the picoJava opcode table. |
4b95cf5c | 2 | Copyright (C) 1999-2014 Free Software Foundation, Inc. |
8340b17f ILT |
3 | Contributed by Steve Chamberlain of Transmeta (sac@pobox.com). |
4 | ||
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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. | |
8340b17f | 9 | |
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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. | |
8340b17f | 14 | |
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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. */ | |
8340b17f ILT |
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 | ||
0e073f4c | 39 | typedef struct pj_opc_info_t |
8340b17f ILT |
40 | { |
41 | short opcode; | |
42 | short opcode_next; | |
43 | char len; | |
44 | unsigned char arg[2]; | |
0e073f4c AM |
45 | union { |
46 | const char *name; | |
8cf3f354 | 47 | void (*func) (struct pj_opc_info_t *, char *); |
0e073f4c | 48 | } u; |
8340b17f | 49 | } pj_opc_info_t; |