50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
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/* Definitions for decoding the picoJava opcode table.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* Names used to describe the type of instruction arguments, used by
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the assembler and disassembler. Attributes are encoded in various fields. */
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/* reloc size pcrel uns */
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#define O_N 0
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#define O_16 (1<<4 | 2 | (0<<6) | (0<<3))
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#define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))
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#define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))
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#define O_8 (3<<4 | 1 | (0<<6) | (0<<3))
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#define O_U8 (3<<4 | 1 | (0<<6) | (1<<3))
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#define O_R8 (4<<4 | 1 | (0<<6) | (0<<3))
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#define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))
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#define O_32 (6<<4 | 4 | (0<<6) | (0<<3))
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#define ASIZE(x) ((x) & 0x7)
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#define PCREL(x) (!!((x) & (1<<6)))
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#define UNS(x) (!!((x) & (1<<3)))
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typedef struct pj_opc_info_t
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{
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short opcode;
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short opcode_next;
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char len;
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unsigned char arg[2];
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union {
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const char *name;
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void (*func) (struct pj_opc_info_t *, char *);
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} u;
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} pj_opc_info_t;
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