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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* itbl-ops.h
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Copyright (C) 1997-2017 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* External functions, constants and defines for itbl support */
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#ifdef HAVE_ITBL_CPU
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#include "itbl-cpu.h"
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#endif
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/* Defaults for definitions required by generic code */
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#ifndef ITBL_NUMBER_OF_PROCESSORS
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#define ITBL_NUMBER_OF_PROCESSORS 1
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#endif
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#ifndef ITBL_MAX_BITPOS
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#define ITBL_MAX_BITPOS 31
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#endif
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#ifndef ITBL_TYPE
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#define ITBL_TYPE unsigned long
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#endif
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#ifndef ITBL_IS_INSN
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#define ITBL_IS_INSN(insn) 1
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#endif
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#ifndef ITBL_DECODE_PNUM
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#define ITBL_DECODE_PNUM(insn) 0
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#endif
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#ifndef ITBL_ENCODE_PNUM
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#define ITBL_ENCODE_PNUM(pnum) 0
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#endif
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typedef ITBL_TYPE t_insn;
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/* types of entries */
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typedef enum
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{
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e_insn,
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e_dreg,
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e_regtype0 = e_dreg,
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e_creg,
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e_greg,
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e_addr,
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e_nregtypes = e_greg + 1,
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e_immed,
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e_ntypes,
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e_invtype /* invalid type */
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} e_type;
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typedef enum
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{
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e_p0,
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e_nprocs = ITBL_NUMBER_OF_PROCESSORS,
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e_invproc /* invalid processor */
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} e_processor;
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/* 0 means an instruction table was not specified. */
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extern int itbl_have_entries;
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/* These routines are visible to the main part of the assembler */
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int itbl_parse (char *insntbl);
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void itbl_init (void);
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char *itbl_get_field (char **s);
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unsigned long itbl_assemble (char *name, char *operands);
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int itbl_disassemble (char *str, unsigned long insn);
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int itbl_parse (char *tbl); /* parses insn tbl */
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int itbl_get_reg_val (char *name, unsigned long *pval);
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int itbl_get_val (e_processor processor, e_type type, char *name,
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unsigned long *pval);
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char *itbl_get_name (e_processor processor, e_type type, unsigned long val);
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/* These routines are called by the table parser used to build the
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dynamic list of new processor instructions and registers. */
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struct itbl_entry *itbl_add_reg (int yyproc, int yytype,
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char *regname, int regnum);
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struct itbl_entry *itbl_add_insn (int yyproc, char *name,
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unsigned long value, int sbit, int ebit, unsigned long flags);
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struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype,
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int sbit, int ebit, unsigned long flags);
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