| 1 | /* itbl-ops.h
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| 2 | Copyright (C) 1997-2016 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
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| 19 | 02110-1301, 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 | #ifdef HAVE_ITBL_CPU
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| 24 | #include "itbl-cpu.h"
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| 25 | #endif
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| 26 |
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| 27 | /* Defaults for definitions required by generic code */
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| 28 | #ifndef ITBL_NUMBER_OF_PROCESSORS
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| 29 | #define ITBL_NUMBER_OF_PROCESSORS 1
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| 30 | #endif
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| 31 |
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| 32 | #ifndef ITBL_MAX_BITPOS
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| 33 | #define ITBL_MAX_BITPOS 31
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| 34 | #endif
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| 35 |
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| 36 | #ifndef ITBL_TYPE
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| 37 | #define ITBL_TYPE unsigned long
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| 38 | #endif
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| 39 |
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| 40 | #ifndef ITBL_IS_INSN
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| 41 | #define ITBL_IS_INSN(insn) 1
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| 42 | #endif
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| 43 |
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| 44 | #ifndef ITBL_DECODE_PNUM
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| 45 | #define ITBL_DECODE_PNUM(insn) 0
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| 46 | #endif
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| 47 |
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| 48 | #ifndef ITBL_ENCODE_PNUM
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| 49 | #define ITBL_ENCODE_PNUM(pnum) 0
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| 50 | #endif
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| 51 |
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| 52 | typedef ITBL_TYPE t_insn;
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| 53 |
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| 54 | /* types of entries */
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| 55 | typedef enum
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| 56 | {
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| 57 | e_insn,
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| 58 | e_dreg,
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| 59 | e_regtype0 = e_dreg,
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| 60 | e_creg,
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| 61 | e_greg,
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| 62 | e_addr,
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| 63 | e_nregtypes = e_greg + 1,
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| 64 | e_immed,
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| 65 | e_ntypes,
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| 66 | e_invtype /* invalid type */
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| 67 | } e_type;
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| 68 |
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| 69 | typedef enum
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| 70 | {
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| 71 | e_p0,
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| 72 | e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
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| 73 | e_invproc /* invalid processor */
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| 74 | } e_processor;
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| 75 |
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| 76 | /* 0 means an instruction table was not specified. */
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| 77 | extern int itbl_have_entries;
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| 78 |
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| 79 | /* These routines are visible to the main part of the assembler */
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| 80 |
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| 81 | int itbl_parse (char *insntbl);
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| 82 | void itbl_init (void);
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| 83 | char *itbl_get_field (char **s);
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| 84 | unsigned long itbl_assemble (char *name, char *operands);
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| 85 | int itbl_disassemble (char *str, unsigned long insn);
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| 86 | int itbl_parse (char *tbl); /* parses insn tbl */
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| 87 | int itbl_get_reg_val (char *name, unsigned long *pval);
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| 88 | int itbl_get_val (e_processor processor, e_type type, char *name,
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| 89 | unsigned long *pval);
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| 90 | char *itbl_get_name (e_processor processor, e_type type, unsigned long val);
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| 91 |
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| 92 | /* These routines are called by the table parser used to build the
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| 93 | dynamic list of new processor instructions and registers. */
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| 94 |
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| 95 | struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
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| 96 | char *regname, int regnum);
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| 97 | struct itbl_entry *itbl_add_insn (int yyproc, char *name,
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| 98 | unsigned long value, int sbit, int ebit, unsigned long flags);
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| 99 | struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
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| 100 | int sbit, int ebit, unsigned long flags);
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