/* itbl-ops.h
  Copyright (C) 1997-2024 Free Software Foundation, Inc.

  This file is part of GAS, the GNU Assembler.

  GAS is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3, or (at your option)
  any later version.

  GAS is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with GAS; see the file COPYING.  If not, write to the Free
  Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  02110-1301, USA.  */

/* External functions, constants and defines for itbl support */

#ifdef HAVE_ITBL_CPU
#include "itbl-cpu.h"
#endif

/* Defaults for definitions required by generic code */
#ifndef ITBL_NUMBER_OF_PROCESSORS
#define ITBL_NUMBER_OF_PROCESSORS 1
#endif

#ifndef ITBL_MAX_BITPOS
#define ITBL_MAX_BITPOS 31
#endif

#ifndef ITBL_TYPE
#define ITBL_TYPE unsigned long
#endif

#ifndef ITBL_IS_INSN
#define ITBL_IS_INSN(insn) 1
#endif

#ifndef ITBL_DECODE_PNUM
#define ITBL_DECODE_PNUM(insn) 0
#endif

#ifndef ITBL_ENCODE_PNUM
#define ITBL_ENCODE_PNUM(pnum) 0
#endif

typedef ITBL_TYPE t_insn;

/* types of entries */
typedef enum
 {
   e_insn,
   e_dreg,
   e_regtype0 = e_dreg,
   e_creg,
   e_greg,
   e_addr,
   e_nregtypes = e_greg + 1,
   e_immed,
   e_ntypes,
   e_invtype                   /* invalid type */
 } e_type;

typedef enum
 {
   e_p0,
   e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
   e_invproc                   /* invalid processor */
 } e_processor;

/* 0 means an instruction table was not specified.  */
extern int itbl_have_entries;

/* These routines are visible to the main part of the assembler */

int itbl_parse (char *insntbl);
void itbl_init (void);
char *itbl_get_field (char **s);
unsigned long itbl_assemble (char *name, char *operands);
int itbl_disassemble (char *str, unsigned long insn);
int itbl_parse (char *tbl);     /* parses insn tbl */
int itbl_get_reg_val (char *name, unsigned long *pval);
int itbl_get_val (e_processor processor, e_type type, char *name,
                 unsigned long *pval);
char *itbl_get_name (e_processor processor, e_type type, unsigned long val);

/* These routines are called by the table parser used to build the
  dynamic list of new processor instructions and registers.  */

struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
                                char *regname, int regnum);
struct itbl_entry *itbl_add_insn (int yyproc, char *name,
            unsigned long value, int sbit, int ebit, unsigned long flags);
struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
                                 int sbit, int ebit, unsigned long flags);