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[binutils-gdb.git] / gas / itbl-ops.h
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1 /* itbl-ops.h
2 Copyright (C) 1997-2024 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 3, or (at your option)
9 any later version.
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, 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
21 /* External functions, constants and defines for itbl support */
23 #ifdef HAVE_ITBL_CPU
24 #include "itbl-cpu.h"
25 #endif
27 /* Defaults for definitions required by generic code */
28 #ifndef ITBL_NUMBER_OF_PROCESSORS
29 #define ITBL_NUMBER_OF_PROCESSORS 1
30 #endif
32 #ifndef ITBL_MAX_BITPOS
33 #define ITBL_MAX_BITPOS 31
34 #endif
36 #ifndef ITBL_TYPE
37 #define ITBL_TYPE unsigned long
38 #endif
40 #ifndef ITBL_IS_INSN
41 #define ITBL_IS_INSN(insn) 1
42 #endif
44 #ifndef ITBL_DECODE_PNUM
45 #define ITBL_DECODE_PNUM(insn) 0
46 #endif
48 #ifndef ITBL_ENCODE_PNUM
49 #define ITBL_ENCODE_PNUM(pnum) 0
50 #endif
52 typedef ITBL_TYPE t_insn;
54 /* types of entries */
55 typedef enum
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;
69 typedef enum
71 e_p0,
72 e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
73 e_invproc /* invalid processor */
74 } e_processor;
76 /* 0 means an instruction table was not specified. */
77 extern int itbl_have_entries;
79 /* These routines are visible to the main part of the assembler */
81 int itbl_parse (char *insntbl);
82 void itbl_init (void);
83 char *itbl_get_field (char **s);
84 unsigned long itbl_assemble (char *name, char *operands);
85 int itbl_disassemble (char *str, unsigned long insn);
86 int itbl_parse (char *tbl); /* parses insn tbl */
87 int itbl_get_reg_val (char *name, unsigned long *pval);
88 int itbl_get_val (e_processor processor, e_type type, char *name,
89 unsigned long *pval);
90 char *itbl_get_name (e_processor processor, e_type type, unsigned long val);
92 /* These routines are called by the table parser used to build the
93 dynamic list of new processor instructions and registers. */
95 struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
96 char *regname, int regnum);
97 struct itbl_entry *itbl_add_insn (int yyproc, char *name,
98 unsigned long value, int sbit, int ebit, unsigned long flags);
99 struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
100 int sbit, int ebit, unsigned long flags);