2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
4 This file is part of GDB and GAS.
6 GDB and GAS are free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GDB and GAS are distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GDB or GAS; see the file COPYING3. If not, write to
18 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
19 Boston, MA 02110-1301, USA. */
21 /* PDP-11 opcode types. */
23 #define PDP11_OPCODE_NO_OPS 0
24 #define PDP11_OPCODE_REG 1 /* register */
25 #define PDP11_OPCODE_OP 2 /* generic operand */
26 #define PDP11_OPCODE_REG_OP 3 /* register and generic operand */
27 #define PDP11_OPCODE_REG_OP_REV 4 /* register and generic operand,
29 #define PDP11_OPCODE_AC_FOP 5 /* fpu accumulator and generic float
31 #define PDP11_OPCODE_OP_OP 6 /* two generic operands */
32 #define PDP11_OPCODE_DISPL 7 /* pc-relative displacement */
33 #define PDP11_OPCODE_REG_DISPL 8 /* redister and pc-relative
35 #define PDP11_OPCODE_IMM8 9 /* 8-bit immediate */
36 #define PDP11_OPCODE_IMM6 10 /* 6-bit immediate */
37 #define PDP11_OPCODE_IMM3 11 /* 3-bit immediate */
38 #define PDP11_OPCODE_ILLEGAL 12 /* illegal instruction */
39 #define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu
41 #define PDP11_OPCODE_FOP 14 /* generic float operand */
42 #define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int
44 #define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu
48 * PDP-11 instruction set extensions.
50 * Please keep the numbers low, as they are used as indices into
54 #define PDP11_NONE 0 /* not in instruction set */
55 #define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */
56 #define PDP11_CSM 2 /* commercial instruction set */
57 #define PDP11_CIS 3 /* commercial instruction set */
58 #define PDP11_EIS 4 /* extended instruction set (11/45 etc) */
59 #define PDP11_FIS 5 /* KEV11 floating-point instructions */
60 #define PDP11_FPP 6 /* FP-11 floating-point instructions */
61 #define PDP11_LEIS 7 /* limited extended instruction set
63 #define PDP11_MFPT 8 /* move from processor type */
64 #define PDP11_MPROC 9 /* multiprocessor instructions: tstset,
66 #define PDP11_MXPS 10 /* move from/to processor status */
67 #define PDP11_SPL 11 /* set priority level */
68 #define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */
69 #define PDP11_EXT_NUM 13 /* total number of extension types */
80 extern const struct pdp11_opcode pdp11_opcodes[];
81 extern const struct pdp11_opcode pdp11_aliases[];
82 extern const int pdp11_num_opcodes, pdp11_num_aliases;