1 /* itbl-ops.h 2 Copyright (C) 1997-2016 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 3, 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 52 typedef ITBL_TYPE t_insn; 53 54 /* types of entries */ 55 typedef 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 69 typedef 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. */ 77 extern int itbl_have_entries; 78 79 /* These routines are visible to the main part of the assembler */ 80 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); 91 92 /* These routines are called by the table parser used to build the 93 dynamic list of new processor instructions and registers. */ 94 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); 101
