1a5a4af3bSchristos /* Definitions for decoding the picoJava opcode table. 2*8b657b07Schristos Copyright (C) 1999-2022 Free Software Foundation, Inc. 3a5a4af3bSchristos Contributed by Steve Chamberlain of Transmeta (sac@pobox.com). 4a5a4af3bSchristos 5a5a4af3bSchristos This program is free software; you can redistribute it and/or modify 6a5a4af3bSchristos it under the terms of the GNU General Public License as published by 7a5a4af3bSchristos the Free Software Foundation; either version 3 of the License, or 8a5a4af3bSchristos (at your option) any later version. 9a5a4af3bSchristos 10a5a4af3bSchristos This program is distributed in the hope that it will be useful, 11a5a4af3bSchristos but WITHOUT ANY WARRANTY; without even the implied warranty of 12a5a4af3bSchristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13a5a4af3bSchristos GNU General Public License for more details. 14a5a4af3bSchristos 15a5a4af3bSchristos You should have received a copy of the GNU General Public License 16a5a4af3bSchristos along with this program; if not, write to the Free Software 17a5a4af3bSchristos Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 18a5a4af3bSchristos MA 02110-1301, USA. */ 19a5a4af3bSchristos 20a5a4af3bSchristos /* Names used to describe the type of instruction arguments, used by 21a5a4af3bSchristos the assembler and disassembler. Attributes are encoded in various fields. */ 22a5a4af3bSchristos 23a5a4af3bSchristos /* reloc size pcrel uns */ 24a5a4af3bSchristos #define O_N 0 25a5a4af3bSchristos #define O_16 (1<<4 | 2 | (0<<6) | (0<<3)) 26a5a4af3bSchristos #define O_U16 (1<<4 | 2 | (0<<6) | (1<<3)) 27a5a4af3bSchristos #define O_R16 (2<<4 | 2 | (1<<6) | (0<<3)) 28a5a4af3bSchristos #define O_8 (3<<4 | 1 | (0<<6) | (0<<3)) 29a5a4af3bSchristos #define O_U8 (3<<4 | 1 | (0<<6) | (1<<3)) 30a5a4af3bSchristos #define O_R8 (4<<4 | 1 | (0<<6) | (0<<3)) 31a5a4af3bSchristos #define O_R32 (5<<4 | 4 | (1<<6) | (0<<3)) 32a5a4af3bSchristos #define O_32 (6<<4 | 4 | (0<<6) | (0<<3)) 33a5a4af3bSchristos 34a5a4af3bSchristos #define ASIZE(x) ((x) & 0x7) 35a5a4af3bSchristos #define PCREL(x) (!!((x) & (1<<6))) 36a5a4af3bSchristos #define UNS(x) (!!((x) & (1<<3))) 37a5a4af3bSchristos 38a5a4af3bSchristos 39a5a4af3bSchristos typedef struct pj_opc_info_t 40a5a4af3bSchristos { 41a5a4af3bSchristos short opcode; 42a5a4af3bSchristos short opcode_next; 43a5a4af3bSchristos char len; 44a5a4af3bSchristos unsigned char arg[2]; 45a5a4af3bSchristos union { 46a5a4af3bSchristos const char *name; 47a5a4af3bSchristos void (*func) (struct pj_opc_info_t *, char *); 48a5a4af3bSchristos } u; 49a5a4af3bSchristos } pj_opc_info_t; 50