| 1 | /* itbl-ops.h
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| 2 | Copyright 1997, 1999, 2000 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GAS, the GNU Assembler.
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| 5 |
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| 6 | GAS is 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 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GAS is 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 GAS; see the file COPYING. If not, write to the Free
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| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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| 19 | 02111-1307, USA. */
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| 20 |
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| 21 | /* External functions, constants and defines for itbl support */
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| 22 |
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| 23 | #include "ansidecl.h"
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| 24 |
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| 25 | /* Include file notes: "expr.h" needed before targ-*.h,
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| 26 | * "targ-env.h" includes the chain of target dependant headers,
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| 27 | * "targ-cpu.h" has the HAVE_ITBL_CPU define, and
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| 28 | * as.h includes them all */
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| 29 | #include "as.h"
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| 30 |
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| 31 | #ifdef HAVE_ITBL_CPU
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| 32 | #include "itbl-cpu.h"
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| 33 | #endif
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| 34 |
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| 35 | /* Defaults for definitions required by generic code */
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| 36 | #ifndef ITBL_NUMBER_OF_PROCESSORS
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| 37 | #define ITBL_NUMBER_OF_PROCESSORS 1
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| 38 | #endif
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| 39 |
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| 40 | #ifndef ITBL_MAX_BITPOS
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| 41 | #define ITBL_MAX_BITPOS 31
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| 42 | #endif
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| 43 |
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| 44 | #ifndef ITBL_TYPE
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| 45 | #define ITBL_TYPE unsigned long
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| 46 | #endif
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| 47 |
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| 48 | #ifndef ITBL_IS_INSN
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| 49 | #define ITBL_IS_INSN(insn) 1
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| 50 | #endif
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| 51 |
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| 52 | #ifndef ITBL_DECODE_PNUM
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| 53 | #define ITBL_DECODE_PNUM(insn) 0
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| 54 | #endif
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| 55 |
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| 56 | #ifndef ITBL_ENCODE_PNUM
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| 57 | #define ITBL_ENCODE_PNUM(pnum) 0
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| 58 | #endif
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| 59 |
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| 60 | typedef ITBL_TYPE t_insn;
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| 61 |
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| 62 | /* types of entries */
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| 63 | typedef enum
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| 64 | {
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| 65 | e_insn,
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| 66 | e_dreg,
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| 67 | e_regtype0 = e_dreg,
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| 68 | e_creg,
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| 69 | e_greg,
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| 70 | e_addr,
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| 71 | e_nregtypes = e_greg + 1,
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| 72 | e_immed,
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| 73 | e_ntypes,
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| 74 | e_invtype /* invalid type */
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| 75 | } e_type;
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| 76 |
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| 77 | typedef enum
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| 78 | {
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| 79 | e_p0,
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| 80 | e_nprocs = NUMBER_OF_PROCESSORS,
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| 81 | e_invproc /* invalid processor */
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| 82 | } e_processor;
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| 83 |
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| 84 | /* 0 means an instruction table was not specified. */
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| 85 | extern int itbl_have_entries;
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| 86 |
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| 87 | /* These routines are visible to the main part of the assembler */
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| 88 |
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| 89 | int itbl_parse PARAMS ((char *insntbl));
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| 90 | void itbl_init PARAMS ((void));
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| 91 | char *itbl_get_field PARAMS ((char **s));
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| 92 | unsigned long itbl_assemble PARAMS ((char *name, char *operands));
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| 93 | int itbl_disassemble PARAMS ((char *str, unsigned long insn));
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| 94 | int itbl_parse PARAMS ((char *tbl)); /* parses insn tbl */
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| 95 | int itbl_get_reg_val PARAMS ((char *name, unsigned long *pval));
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| 96 | int itbl_get_val PARAMS ((e_processor processor, e_type type, char *name,
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| 97 | unsigned long *pval));
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| 98 | char *itbl_get_name PARAMS ((e_processor processor, e_type type,
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| 99 | unsigned long val));
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| 100 |
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| 101 | /* These routines are called by the table parser used to build the
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| 102 | dynamic list of new processor instructions and registers. */
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| 103 |
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| 104 | struct itbl_entry *itbl_add_reg PARAMS ((int yyproc, int yytype,
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| 105 | char *regname, int regnum));
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| 106 | struct itbl_entry *itbl_add_insn PARAMS ((int yyproc, char *name,
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| 107 | unsigned long value, int sbit, int ebit, unsigned long flags));
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| 108 | struct itbl_field *itbl_add_operand PARAMS ((struct itbl_entry * e, int yytype,
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| 109 | int sbit, int ebit, unsigned long flags));
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