| 1 | /* Definitions for decoding the picoJava opcode table.
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| 2 | Copyright 1999 Free Software Foundation, Inc.
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| 3 | Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 18 |
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| 19 |
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| 20 | /* Names used to describe the type of instruction arguments, used by
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| 21 | the assembler and disassembler. Attributes are encoded in various fields. */
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| 22 |
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| 23 | /* reloc size pcrel uns */
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| 24 | #define O_N 0
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| 25 | #define O_16 (1<<4 | 2 | (0<<6) | (0<<3))
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| 26 | #define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))
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| 27 | #define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))
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| 28 | #define O_8 (3<<4 | 1 | (0<<6) | (0<<3))
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| 29 | #define O_U8 (3<<4 | 1 | (0<<6) | (1<<3))
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| 30 | #define O_R8 (4<<4 | 1 | (0<<6) | (0<<3))
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| 31 | #define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))
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| 32 | #define O_32 (6<<4 | 4 | (0<<6) | (0<<3))
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| 33 |
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| 34 | #define ASIZE(x) ((x) & 0x7)
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| 35 | #define PCREL(x) (!!((x) & (1<<6)))
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| 36 | #define UNS(x) (!!((x) & (1<<3)))
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| 37 |
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| 38 |
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| 39 | typedef struct pj_opc_info_t
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| 40 | {
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| 41 | short opcode;
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| 42 | short opcode_next;
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| 43 | char len;
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| 44 | unsigned char arg[2];
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| 45 | union {
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| 46 | const char *name;
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| 47 | void (*func) PARAMS ((struct pj_opc_info_t *, char *));
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| 48 | } u;
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| 49 | } pj_opc_info_t;
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