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[binutils/dougsmingw.git] / gas / itbl-ops.h
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1 /* itbl-ops.h
2 Copyright 1997, 1999, 2000, 2003, 2005, 2006, 2007
3 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20 02110-1301, USA. */
22 /* External functions, constants and defines for itbl support */
24 #ifdef HAVE_ITBL_CPU
25 #include "itbl-cpu.h"
26 #endif
28 /* Defaults for definitions required by generic code */
29 #ifndef ITBL_NUMBER_OF_PROCESSORS
30 #define ITBL_NUMBER_OF_PROCESSORS 1
31 #endif
33 #ifndef ITBL_MAX_BITPOS
34 #define ITBL_MAX_BITPOS 31
35 #endif
37 #ifndef ITBL_TYPE
38 #define ITBL_TYPE unsigned long
39 #endif
41 #ifndef ITBL_IS_INSN
42 #define ITBL_IS_INSN(insn) 1
43 #endif
45 #ifndef ITBL_DECODE_PNUM
46 #define ITBL_DECODE_PNUM(insn) 0
47 #endif
49 #ifndef ITBL_ENCODE_PNUM
50 #define ITBL_ENCODE_PNUM(pnum) 0
51 #endif
53 typedef ITBL_TYPE t_insn;
55 /* types of entries */
56 typedef enum
58 e_insn,
59 e_dreg,
60 e_regtype0 = e_dreg,
61 e_creg,
62 e_greg,
63 e_addr,
64 e_nregtypes = e_greg + 1,
65 e_immed,
66 e_ntypes,
67 e_invtype /* invalid type */
68 } e_type;
70 typedef enum
72 e_p0,
73 e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
74 e_invproc /* invalid processor */
75 } e_processor;
77 /* 0 means an instruction table was not specified. */
78 extern int itbl_have_entries;
80 /* These routines are visible to the main part of the assembler */
82 int itbl_parse (char *insntbl);
83 void itbl_init (void);
84 char *itbl_get_field (char **s);
85 unsigned long itbl_assemble (char *name, char *operands);
86 int itbl_disassemble (char *str, unsigned long insn);
87 int itbl_parse (char *tbl); /* parses insn tbl */
88 int itbl_get_reg_val (char *name, unsigned long *pval);
89 int itbl_get_val (e_processor processor, e_type type, char *name,
90 unsigned long *pval);
91 char *itbl_get_name (e_processor processor, e_type type, unsigned long val);
93 /* These routines are called by the table parser used to build the
94 dynamic list of new processor instructions and registers. */
96 struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
97 char *regname, int regnum);
98 struct itbl_entry *itbl_add_insn (int yyproc, char *name,
99 unsigned long value, int sbit, int ebit, unsigned long flags);
100 struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
101 int sbit, int ebit, unsigned long flags);