2 Copyright 1997, 1999, 2000 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
6 GAS is 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 2, or (at your option)
11 GAS is 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 GAS; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
21 /* External functions, constants and defines for itbl support */
25 /* Include file notes: "expr.h" needed before targ-*.h,
26 * "targ-env.h" includes the chain of target dependant headers,
27 * "targ-cpu.h" has the HAVE_ITBL_CPU define, and
28 * as.h includes them all */
35 /* Defaults for definitions required by generic code */
36 #ifndef ITBL_NUMBER_OF_PROCESSORS
37 #define ITBL_NUMBER_OF_PROCESSORS 1
40 #ifndef ITBL_MAX_BITPOS
41 #define ITBL_MAX_BITPOS 31
45 #define ITBL_TYPE unsigned long
49 #define ITBL_IS_INSN(insn) 1
52 #ifndef ITBL_DECODE_PNUM
53 #define ITBL_DECODE_PNUM(insn) 0
56 #ifndef ITBL_ENCODE_PNUM
57 #define ITBL_ENCODE_PNUM(pnum) 0
60 typedef ITBL_TYPE t_insn
;
62 /* types of entries */
71 e_nregtypes
= e_greg
+ 1,
74 e_invtype
/* invalid type */
80 e_nprocs
= NUMBER_OF_PROCESSORS
,
81 e_invproc
/* invalid processor */
84 /* 0 means an instruction table was not specified. */
85 extern int itbl_have_entries
;
87 /* These routines are visible to the main part of the assembler */
89 int itbl_parse
PARAMS ((char *insntbl
));
90 void itbl_init
PARAMS ((void));
91 char *itbl_get_field
PARAMS ((char **s
));
92 unsigned long itbl_assemble
PARAMS ((char *name
, char *operands
));
93 int itbl_disassemble
PARAMS ((char *str
, unsigned long insn
));
94 int itbl_parse
PARAMS ((char *tbl
)); /* parses insn tbl */
95 int itbl_get_reg_val
PARAMS ((char *name
, unsigned long *pval
));
96 int itbl_get_val
PARAMS ((e_processor processor
, e_type type
, char *name
,
97 unsigned long *pval
));
98 char *itbl_get_name
PARAMS ((e_processor processor
, e_type type
,
101 /* These routines are called by the table parser used to build the
102 dynamic list of new processor instructions and registers. */
104 struct itbl_entry
*itbl_add_reg
PARAMS ((int yyproc
, int yytype
,
105 char *regname
, int regnum
));
106 struct itbl_entry
*itbl_add_insn
PARAMS ((int yyproc
, char *name
,
107 unsigned long value
, int sbit
, int ebit
, unsigned long flags
));
108 struct itbl_field
*itbl_add_operand
PARAMS ((struct itbl_entry
* e
, int yytype
,
109 int sbit
, int ebit
, unsigned long flags
));
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