| 1 | /* PDP-11 opcde list.
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| 2 | Copyright 2001, 2002 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GDB and GAS.
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| 5 |
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| 6 | GDB and GAS are free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 1, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GDB and GAS are distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with GDB or GAS; see the file COPYING. If not, write to
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| 18 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 19 |
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| 20 | /*
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| 21 | * PDP-11 opcode types.
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| 22 | */
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| 23 |
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| 24 | #define PDP11_OPCODE_NO_OPS 0
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| 25 | #define PDP11_OPCODE_REG 1 /* register */
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| 26 | #define PDP11_OPCODE_OP 2 /* generic operand */
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| 27 | #define PDP11_OPCODE_REG_OP 3 /* register and generic operand */
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| 28 | #define PDP11_OPCODE_REG_OP_REV 4 /* register and generic operand,
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| 29 | reversed syntax */
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| 30 | #define PDP11_OPCODE_AC_FOP 5 /* fpu accumulator and generic float
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| 31 | operand */
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| 32 | #define PDP11_OPCODE_OP_OP 6 /* two generic operands */
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| 33 | #define PDP11_OPCODE_DISPL 7 /* pc-relative displacement */
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| 34 | #define PDP11_OPCODE_REG_DISPL 8 /* redister and pc-relative
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| 35 | displacement */
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| 36 | #define PDP11_OPCODE_IMM8 9 /* 8-bit immediate */
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| 37 | #define PDP11_OPCODE_IMM6 10 /* 6-bit immediate */
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| 38 | #define PDP11_OPCODE_IMM3 11 /* 3-bit immediate */
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| 39 | #define PDP11_OPCODE_ILLEGAL 12 /* illegal instruction */
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| 40 | #define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu
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| 41 | accumulator */
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| 42 | #define PDP11_OPCODE_FOP 14 /* generic float operand */
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| 43 | #define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int
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| 44 | operand */
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| 45 | #define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu
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| 46 | accumulator */
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| 47 |
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| 48 | /*
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| 49 | * PDP-11 instruction set extensions.
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| 50 | *
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| 51 | * Please keep the numbers low, as they are used as indices into
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| 52 | * an array.
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| 53 | */
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| 54 |
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| 55 | #define PDP11_NONE 0 /* not in instruction set */
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| 56 | #define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */
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| 57 | #define PDP11_CSM 2 /* commercial instruction set */
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| 58 | #define PDP11_CIS 3 /* commercial instruction set */
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| 59 | #define PDP11_EIS 4 /* extended instruction set (11/45 etc) */
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| 60 | #define PDP11_FIS 5 /* KEV11 floating-point instructions */
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| 61 | #define PDP11_FPP 6 /* FP-11 floating-point instructions */
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| 62 | #define PDP11_LEIS 7 /* limited extended instruction set
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| 63 | (11/40 etc) */
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| 64 | #define PDP11_MFPT 8 /* move from processor type */
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| 65 | #define PDP11_MPROC 9 /* multiprocessor instructions: tstset,
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| 66 | wrtlck */
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| 67 | #define PDP11_MXPS 10 /* move from/to processor status */
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| 68 | #define PDP11_SPL 11 /* set priority level */
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| 69 | #define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */
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| 70 | #define PDP11_EXT_NUM 13 /* total number of extension types */
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| 71 |
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| 72 | struct pdp11_opcode
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| 73 | {
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| 74 | const char *name;
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| 75 | int opcode;
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| 76 | int mask;
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| 77 | int type;
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| 78 | int extension;
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| 79 | };
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| 80 |
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| 81 | extern const struct pdp11_opcode pdp11_opcodes[];
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| 82 | extern const struct pdp11_opcode pdp11_aliases[];
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| 83 | extern const int pdp11_num_opcodes, pdp11_num_aliases;
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| 84 |
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| 85 | /* end of pdp11.h */
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