1 /* tc-tic54x.h -- Header file for tc-tic54x.c 2 Copyright 1999, 2000, 2001 Free Software Foundation, Inc. 3 Contributed by Timothy Wall (twall@alum.mit.edu) 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 2, 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, 59 Temple Place - Suite 330, Boston, MA 20 02111-1307, USA. */ 21 22 #ifndef _TC_TIC54X_H_ 23 #define _TC_TIC54X_H_ 24 25 /* select the proper coff format (see obj-coff.h) */ 26 #define TC_TIC54X 27 28 #define TARGET_BYTES_BIG_ENDIAN 0 29 #define OCTETS_PER_BYTE_POWER 1 30 31 #define TARGET_ARCH bfd_arch_tic54x 32 #define BFD_ARCH TARGET_ARCH 33 34 #define WORKING_DOT_WORD 1 35 36 #define MAX_OPERANDS 4 37 #define PARALLEL_SEPARATOR '|' 38 #define LABELS_WITHOUT_COLONS 1 39 /* accept 0FFFFh, 1010b, etc. */ 40 #define NUMBERS_WITH_SUFFIX 1 41 /* $ is section program counter */ 42 #define DOLLAR_DOT 1 43 /* accept parallel lines like 44 add #1,a || ld #1, b 45 (may also be split across lines) 46 */ 47 #define DOUBLEBAR_PARALLEL 1 48 /* affects preprocessor */ 49 #define KEEP_WHITE_AROUND_COLON 1 50 51 /* We need the extra field in the fixup struct to put the relocation in. */ 52 53 #define NEED_FX_R_TYPE 54 55 struct bit_info 56 { 57 segT seg; 58 #define TYPE_SPACE 0 59 #define TYPE_BES 1 60 #define TYPE_FIELD 2 61 int type; 62 symbolS *sym; 63 valueT value; 64 char *where; 65 int offset; 66 }; 67 68 /* We sometimes need to keep track of bit offsets within words */ 69 #define TC_FRAG_TYPE int 70 #define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0) 71 72 /* tell GAS whether the given token is indeed a code label */ 73 #define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr) 74 extern int tic54x_start_label PARAMS((int, char *)); 75 76 /* custom handling for relocations in cons expressions */ 77 #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP) 78 extern void tic54x_cons_fix_new PARAMS((fragS *,int,int,expressionS *)); 79 80 /* Define md_number_to_chars as the appropriate standard big endian or 81 little endian function. Mostly littleendian, but longwords and floats are 82 stored MS word first. 83 */ 84 85 #define md_number_to_chars tic54x_number_to_chars 86 extern void tic54x_number_to_chars (char *, valueT, int); 87 #define tc_adjust_symtab() tic54x_adjust_symtab() 88 extern void tic54x_adjust_symtab (void); 89 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch) 90 extern int tic54x_unrecognized_line (int ch); 91 #define md_parse_name(s,e,c) tic54x_parse_name(s,e) 92 extern int tic54x_parse_name (char *name, expressionS *e); 93 #define md_undefined_symbol(s) tic54x_undefined_symbol(s) 94 extern symbolS *tic54x_undefined_symbol (char *name); 95 #define md_macro_start() tic54x_macro_start() 96 extern void tic54x_macro_start (void); 97 #define md_macro_end() tic54x_macro_end() 98 extern void tic54x_macro_end (void); 99 #define md_macro_info(args) tic54x_macro_info(args) 100 extern void tic54x_macro_info PARAMS((void *macro)); 101 #define tc_frob_label(sym) tic54x_define_label (sym) 102 extern void tic54x_define_label PARAMS((symbolS *)); 103 104 #define md_start_line_hook() tic54x_start_line_hook() 105 extern void tic54x_start_line_hook (void); 106 107 #define md_estimate_size_before_relax(f,s) \ 108 tic54x_estimate_size_before_relax(f,s) 109 extern int tic54x_estimate_size_before_relax(fragS *, segT); 110 111 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s) 112 extern int tic54x_relax_frag(fragS *, long); 113 114 #define md_convert_frag(b,s,f) tic54x_convert_frag(b,s,f) 115 extern void tic54x_convert_frag(bfd *, segT, fragS *); 116 117 /* Other things we don't support... */ 118 119 /* Define away the call to md_operand in the expression parsing code. 120 This is called whenever the expression parser can't parse the input 121 and gives the assembler backend a chance to deal with it instead. */ 122 123 #define md_operand(X) 124 125 /* spruce up the listing output */ 126 #define LISTING_WORD_SIZE 2 127 128 extern void tic54x_global (int); 129 130 #endif 131