1/* itbl-ops.h
2   Copyright 1997, 1999, 2000, 2003, 2006, 2007 Free Software Foundation, Inc.
3
4   This file is part of GAS, the GNU Assembler.
5
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)
9   any later version.
10
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.
15
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, 51 Franklin Street - Fifth Floor, Boston, MA
19   02110-1301, USA.  */
20
21/* External functions, constants and defines for itbl support */
22
23#ifdef HAVE_ITBL_CPU
24#include "itbl-cpu.h"
25#endif
26
27/* Defaults for definitions required by generic code */
28#ifndef ITBL_NUMBER_OF_PROCESSORS
29#define ITBL_NUMBER_OF_PROCESSORS 1
30#endif
31
32#ifndef ITBL_MAX_BITPOS
33#define ITBL_MAX_BITPOS 31
34#endif
35
36#ifndef ITBL_TYPE
37#define ITBL_TYPE unsigned long
38#endif
39
40#ifndef ITBL_IS_INSN
41#define ITBL_IS_INSN(insn) 1
42#endif
43
44#ifndef ITBL_DECODE_PNUM
45#define ITBL_DECODE_PNUM(insn) 0
46#endif
47
48#ifndef ITBL_ENCODE_PNUM
49#define ITBL_ENCODE_PNUM(pnum) 0
50#endif
51
52typedef ITBL_TYPE t_insn;
53
54/* types of entries */
55typedef enum
56  {
57    e_insn,
58    e_dreg,
59    e_regtype0 = e_dreg,
60    e_creg,
61    e_greg,
62    e_addr,
63    e_nregtypes = e_greg + 1,
64    e_immed,
65    e_ntypes,
66    e_invtype			/* invalid type */
67  } e_type;
68
69typedef enum
70  {
71    e_p0,
72    e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
73    e_invproc			/* invalid processor */
74  } e_processor;
75
76/* 0 means an instruction table was not specified.  */
77extern int itbl_have_entries;
78
79/* These routines are visible to the main part of the assembler */
80
81int itbl_parse (char *insntbl);
82void itbl_init (void);
83char *itbl_get_field (char **s);
84unsigned long itbl_assemble (char *name, char *operands);
85int itbl_disassemble (char *str, unsigned long insn);
86int itbl_parse (char *tbl);	/* parses insn tbl */
87int itbl_get_reg_val (char *name, unsigned long *pval);
88int itbl_get_val (e_processor processor, e_type type, char *name,
89		  unsigned long *pval);
90char *itbl_get_name (e_processor processor, e_type type, unsigned long val);
91
92/* These routines are called by the table parser used to build the
93   dynamic list of new processor instructions and registers.  */
94
95struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
96				 char *regname, int regnum);
97struct itbl_entry *itbl_add_insn (int yyproc, char *name,
98	     unsigned long value, int sbit, int ebit, unsigned long flags);
99struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
100				  int sbit, int ebit, unsigned long flags);
101