| 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 PARAMS((char *, valueT, int)); |
| 87 | #define tc_adjust_symtab() tic54x_adjust_symtab() |
| 88 | extern void tic54x_adjust_symtab PARAMS(()); |
| 89 | #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch) |
| 90 | extern int tic54x_unrecognized_line PARAMS((int ch)); |
| 91 | #define md_parse_name(s,e,c) tic54x_parse_name(s,e) |
| 92 | extern int tic54x_parse_name PARAMS((char *name, expressionS *e)); |
| 93 | #define md_undefined_symbol(s) tic54x_undefined_symbol(s) |
| 94 | extern symbolS *tic54x_undefined_symbol PARAMS((char *name)); |
| 95 | #define md_macro_start() tic54x_macro_start() |
| 96 | extern void tic54x_macro_start (); |
| 97 | #define md_macro_end() tic54x_macro_end() |
| 98 | extern void tic54x_macro_end (); |
| 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 (); |
| 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 | #endif |