1 /* itbl-ops.h 2 Copyright 1997, 1999, 2000, 2003, 2005, 2006, 2007 3 Free Software Foundation, Inc. 4 5 This file is part of GAS, the GNU Assembler. 6 7 GAS is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GAS is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GAS; see the file COPYING. If not, write to the Free 19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 20 02110-1301, USA. */ 21 22 /* External functions, constants and defines for itbl support */ 23 24 #ifdef HAVE_ITBL_CPU 25 #include "itbl-cpu.h" 26 #endif 27 28 /* Defaults for definitions required by generic code */ 29 #ifndef ITBL_NUMBER_OF_PROCESSORS 30 #define ITBL_NUMBER_OF_PROCESSORS 1 31 #endif 32 33 #ifndef ITBL_MAX_BITPOS 34 #define ITBL_MAX_BITPOS 31 35 #endif 36 37 #ifndef ITBL_TYPE 38 #define ITBL_TYPE unsigned long 39 #endif 40 41 #ifndef ITBL_IS_INSN 42 #define ITBL_IS_INSN(insn) 1 43 #endif 44 45 #ifndef ITBL_DECODE_PNUM 46 #define ITBL_DECODE_PNUM(insn) 0 47 #endif 48 49 #ifndef ITBL_ENCODE_PNUM 50 #define ITBL_ENCODE_PNUM(pnum) 0 51 #endif 52 53 typedef ITBL_TYPE t_insn; 54 55 /* types of entries */ 56 typedef enum 57 { 58 e_insn, 59 e_dreg, 60 e_regtype0 = e_dreg, 61 e_creg, 62 e_greg, 63 e_addr, 64 e_nregtypes = e_greg + 1, 65 e_immed, 66 e_ntypes, 67 e_invtype /* invalid type */ 68 } e_type; 69 70 typedef enum 71 { 72 e_p0, 73 e_nprocs = ITBL_NUMBER_OF_PROCESSORS, 74 e_invproc /* invalid processor */ 75 } e_processor; 76 77 /* 0 means an instruction table was not specified. */ 78 extern int itbl_have_entries; 79 80 /* These routines are visible to the main part of the assembler */ 81 82 int itbl_parse (char *insntbl); 83 void itbl_init (void); 84 char *itbl_get_field (char **s); 85 unsigned long itbl_assemble (char *name, char *operands); 86 int itbl_disassemble (char *str, unsigned long insn); 87 int itbl_parse (char *tbl); /* parses insn tbl */ 88 int itbl_get_reg_val (char *name, unsigned long *pval); 89 int itbl_get_val (e_processor processor, e_type type, char *name, 90 unsigned long *pval); 91 char *itbl_get_name (e_processor processor, e_type type, unsigned long val); 92 93 /* These routines are called by the table parser used to build the 94 dynamic list of new processor instructions and registers. */ 95 96 struct itbl_entry *itbl_add_reg (int yyproc, int yytype, 97 char *regname, int regnum); 98 struct itbl_entry *itbl_add_insn (int yyproc, char *name, 99 unsigned long value, int sbit, int ebit, unsigned long flags); 100 struct itbl_field *itbl_add_operand (struct itbl_entry * e, int yytype, 101 int sbit, int ebit, unsigned long flags); 102