1 /* tc-tic54x.h -- Header file for tc-tic54x.c 2 Copyright (C) 1999-2016 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 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 #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(NUL_CHAR, NEXT_CHAR) \ 69 tic54x_start_label(NUL_CHAR, NEXT_CHAR) 70 extern int tic54x_start_label (int, int); 71 72 /* custom handling for relocations in cons expressions */ 73 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \ 74 tic54x_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC) 75 extern void tic54x_cons_fix_new (fragS *, int, int, expressionS *, 76 bfd_reloc_code_real_type); 77 78 /* Define md_number_to_chars as the appropriate standard big endian or 79 little endian function. Mostly littleendian, but longwords and floats are 80 stored MS word first. 81 */ 82 83 #define md_number_to_chars tic54x_number_to_chars 84 extern void tic54x_number_to_chars (char *, valueT, int); 85 #define tc_adjust_symtab() tic54x_adjust_symtab() 86 extern void tic54x_adjust_symtab (void); 87 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch) 88 extern int tic54x_unrecognized_line (int ch); 89 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e) 90 extern int tic54x_parse_name (char *name, expressionS *e); 91 #define md_undefined_symbol(s) tic54x_undefined_symbol(s) 92 extern symbolS *tic54x_undefined_symbol (char *name); 93 #define md_macro_start() tic54x_macro_start() 94 extern void tic54x_macro_start (void); 95 #define md_macro_end() tic54x_macro_end() 96 extern void tic54x_macro_end (void); 97 #define md_macro_info(args) tic54x_macro_info(args) 98 struct macro_struct; 99 extern void tic54x_macro_info (const struct macro_struct *); 100 #define tc_frob_label(sym) tic54x_define_label (sym) 101 extern void tic54x_define_label (symbolS *); 102 103 #define md_start_line_hook() tic54x_start_line_hook() 104 extern void tic54x_start_line_hook (void); 105 106 #define md_estimate_size_before_relax(f,s) \ 107 tic54x_estimate_size_before_relax(f,s) 108 extern int tic54x_estimate_size_before_relax(fragS *, segT); 109 110 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s) 111 extern int tic54x_relax_frag(fragS *, long); 112 113 #define md_convert_frag(b,s,f) tic54x_convert_frag(b,s,f) 114 extern void tic54x_convert_frag(bfd *, segT, fragS *); 115 116 /* Other things we don't support... */ 117 118 /* Define away the call to md_operand in the expression parsing code. 119 This is called whenever the expression parser can't parse the input 120 and gives the assembler backend a chance to deal with it instead. */ 121 122 #define md_operand(X) 123 124 /* spruce up the listing output */ 125 #define LISTING_WORD_SIZE 2 126 127 extern void tic54x_global (int); 128 129 #endif 130