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, 51 Franklin Street - Fifth Floor, Boston, MA 20 02110-1301, 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 33 #define WORKING_DOT_WORD 1 34 35 #define MAX_OPERANDS 4 36 #define PARALLEL_SEPARATOR '|' 37 #define LABELS_WITHOUT_COLONS 1 38 /* accept 0FFFFh, 1010b, etc. */ 39 #define NUMBERS_WITH_SUFFIX 1 40 /* $ is section program counter */ 41 #define DOLLAR_DOT 1 42 /* accept parallel lines like 43 add #1,a || ld #1, b 44 (may also be split across lines) 45 */ 46 #define DOUBLEBAR_PARALLEL 1 47 /* affects preprocessor */ 48 #define KEEP_WHITE_AROUND_COLON 1 49 50 struct bit_info 51 { 52 segT seg; 53 #define TYPE_SPACE 0 54 #define TYPE_BES 1 55 #define TYPE_FIELD 2 56 int type; 57 symbolS *sym; 58 valueT value; 59 char *where; 60 int offset; 61 }; 62 63 /* We sometimes need to keep track of bit offsets within words */ 64 #define TC_FRAG_TYPE int 65 #define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0) 66 67 /* tell GAS whether the given token is indeed a code label */ 68 #define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr) 69 extern int tic54x_start_label PARAMS((int, char *)); 70 71 /* custom handling for relocations in cons expressions */ 72 #define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP) 73 extern void tic54x_cons_fix_new PARAMS((fragS *,int,int,expressionS *)); 74 75 /* Define md_number_to_chars as the appropriate standard big endian or 76 little endian function. Mostly littleendian, but longwords and floats are 77 stored MS word first. 78 */ 79 80 #define md_number_to_chars tic54x_number_to_chars 81 extern void tic54x_number_to_chars (char *, valueT, int); 82 #define tc_adjust_symtab() tic54x_adjust_symtab() 83 extern void tic54x_adjust_symtab (void); 84 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch) 85 extern int tic54x_unrecognized_line (int ch); 86 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e) 87 extern int tic54x_parse_name (char *name, expressionS *e); 88 #define md_undefined_symbol(s) tic54x_undefined_symbol(s) 89 extern symbolS *tic54x_undefined_symbol (char *name); 90 #define md_macro_start() tic54x_macro_start() 91 extern void tic54x_macro_start (void); 92 #define md_macro_end() tic54x_macro_end() 93 extern void tic54x_macro_end (void); 94 #define md_macro_info(args) tic54x_macro_info(args) 95 struct macro_struct; 96 extern void tic54x_macro_info PARAMS((const struct macro_struct *)); 97 #define tc_frob_label(sym) tic54x_define_label (sym) 98 extern void tic54x_define_label PARAMS((symbolS *)); 99 100 #define md_start_line_hook() tic54x_start_line_hook() 101 extern void tic54x_start_line_hook (void); 102 103 #define md_estimate_size_before_relax(f,s) \ 104 tic54x_estimate_size_before_relax(f,s) 105 extern int tic54x_estimate_size_before_relax(fragS *, segT); 106 107 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s) 108 extern int tic54x_relax_frag(fragS *, long); 109 110 #define md_convert_frag(b,s,f) tic54x_convert_frag(b,s,f) 111 extern void tic54x_convert_frag(bfd *, segT, fragS *); 112 113 /* Other things we don't support... */ 114 115 /* Define away the call to md_operand in the expression parsing code. 116 This is called whenever the expression parser can't parse the input 117 and gives the assembler backend a chance to deal with it instead. */ 118 119 #define md_operand(X) 120 121 /* spruce up the listing output */ 122 #define LISTING_WORD_SIZE 2 123 124 extern void tic54x_global (int); 125 126 #endif 127