1 /* Definitions for decoding the picoJava opcode table. 2 Copyright 1999, 2002, 2003 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 2 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, MA 02110-1301, USA. */ 18 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 39 typedef 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; 50