1 /* tc-tic54x.h -- Header file for tc-tic54x.c 2 Copyright (C) 1999-2022 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 #undef LOCAL_LABELS_FB 39 40 /* accept 0FFFFh, 1010b, etc. */ 41 #define NUMBERS_WITH_SUFFIX 1 42 /* $ is section program counter */ 43 #define DOLLAR_DOT 1 44 /* accept parallel lines like 45 add #1,a || ld #1, b 46 (may also be split across lines) 47 */ 48 #define DOUBLEBAR_PARALLEL 1 49 /* affects preprocessor */ 50 #define KEEP_WHITE_AROUND_COLON 1 51 52 struct bit_info 53 { 54 segT seg; 55 #define TYPE_SPACE 0 56 #define TYPE_BES 1 57 #define TYPE_FIELD 2 58 int type; 59 symbolS *sym; 60 valueT value; 61 char *where; 62 int offset; 63 }; 64 65 /* We sometimes need to keep track of bit offsets within words */ 66 #define TC_FRAG_TYPE int 67 #define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0) 68 69 /* Tell GAS whether the given token is indeed a code label. 70 Note - we make of the knowledge that this macro will be called from 71 read.c:read_a_source_file() in that we also pass the local variable 72 line_start. */ 73 #define TC_START_LABEL_WITHOUT_COLON(NUL_CHAR, NEXT_CHAR) \ 74 tic54x_start_label (line_start, NUL_CHAR, NEXT_CHAR) 75 extern int tic54x_start_label (char *, int, int); 76 77 /* custom handling for relocations in cons expressions */ 78 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC) \ 79 tic54x_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC) 80 extern void tic54x_cons_fix_new (fragS *, int, int, expressionS *, 81 bfd_reloc_code_real_type); 82 83 /* Define md_number_to_chars as the appropriate standard big endian or 84 little endian function. Mostly littleendian, but longwords and floats are 85 stored MS word first. 86 */ 87 88 #define md_number_to_chars tic54x_number_to_chars 89 extern void tic54x_number_to_chars (char *, valueT, int); 90 #define tc_adjust_symtab() tic54x_adjust_symtab() 91 extern void tic54x_adjust_symtab (void); 92 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch) 93 extern int tic54x_unrecognized_line (int ch); 94 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e) 95 extern int tic54x_parse_name (char *name, expressionS *e); 96 #define md_undefined_symbol(s) tic54x_undefined_symbol(s) 97 extern symbolS *tic54x_undefined_symbol (char *name); 98 #define md_macro_start() tic54x_macro_start() 99 extern void tic54x_macro_start (void); 100 #define md_macro_end() tic54x_macro_end() 101 extern void tic54x_macro_end (void); 102 #define md_macro_info(args) tic54x_macro_info(args) 103 struct macro_struct; 104 extern void tic54x_macro_info (const struct macro_struct *); 105 #define tc_frob_label(sym) tic54x_define_label (sym) 106 extern void tic54x_define_label (symbolS *); 107 108 #define md_start_line_hook() tic54x_start_line_hook() 109 extern void tic54x_start_line_hook (void); 110 111 #define md_estimate_size_before_relax(f,s) \ 112 tic54x_estimate_size_before_relax(f,s) 113 extern int tic54x_estimate_size_before_relax(fragS *, segT); 114 115 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s) 116 extern int tic54x_relax_frag(fragS *, long); 117 118 #define md_convert_frag(b,s,f) tic54x_convert_frag(b,s,f) 119 extern void tic54x_convert_frag(bfd *, segT, fragS *); 120 121 /* Other things we don't support... */ 122 123 /* Define away the call to md_operand in the expression parsing code. 124 This is called whenever the expression parser can't parse the input 125 and gives the assembler backend a chance to deal with it instead. */ 126 127 #define md_operand(X) 128 129 /* spruce up the listing output */ 130 #define LISTING_WORD_SIZE 2 131 132 extern void tic54x_global (int); 133 134 #endif 135