| 1 | /* read.h - of read.c |
| 2 | Copyright (C) 1986, 90, 92, 93, 94, 95, 96, 1997 |
| 3 | Free Software Foundation, Inc. |
| 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 |
| 19 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | extern char *input_line_pointer;/* -> char we are parsing now. */ |
| 22 | |
| 23 | #define PERMIT_WHITESPACE /* Define to make whitespace be allowed in */ |
| 24 | /* many syntactically unnecessary places. */ |
| 25 | /* Normally undefined. For compatibility */ |
| 26 | /* with ancient GNU cc. */ |
| 27 | /* #undef PERMIT_WHITESPACE */ |
| 28 | |
| 29 | #ifdef PERMIT_WHITESPACE |
| 30 | #define SKIP_WHITESPACE() {if (* input_line_pointer == ' ') ++ input_line_pointer;} |
| 31 | #else |
| 32 | #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' ) |
| 33 | #endif |
| 34 | |
| 35 | |
| 36 | #define LEX_NAME (1) /* may continue a name */ |
| 37 | #define LEX_BEGIN_NAME (2) /* may begin a name */ |
| 38 | #define LEX_END_NAME (4) /* ends a name */ |
| 39 | |
| 40 | #define is_name_beginner(c) \ |
| 41 | ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME ) |
| 42 | #define is_part_of_name(c) \ |
| 43 | ( lex_type[(unsigned char) (c)] & LEX_NAME ) |
| 44 | #define is_name_ender(c) \ |
| 45 | ( lex_type[(unsigned char) (c)] & LEX_END_NAME ) |
| 46 | |
| 47 | #ifndef is_a_char |
| 48 | #define CHAR_MASK (0xff) |
| 49 | #define NOT_A_CHAR (CHAR_MASK+1) |
| 50 | #define is_a_char(c) (((unsigned)(c)) <= CHAR_MASK) |
| 51 | #endif /* is_a_char() */ |
| 52 | |
| 53 | extern char lex_type[]; |
| 54 | extern char is_end_of_line[]; |
| 55 | |
| 56 | extern int is_it_end_of_statement PARAMS ((void)); |
| 57 | |
| 58 | extern int target_big_endian; |
| 59 | |
| 60 | /* These are initialized by the CPU specific target files (tc-*.c). */ |
| 61 | extern const char comment_chars[]; |
| 62 | extern const char line_comment_chars[]; |
| 63 | extern const char line_separator_chars[]; |
| 64 | |
| 65 | /* Table of -I directories. */ |
| 66 | extern char **include_dirs; |
| 67 | extern int include_dir_count; |
| 68 | extern int include_dir_maxlen; |
| 69 | |
| 70 | /* The offset in the absolute section. */ |
| 71 | extern addressT abs_section_offset; |
| 72 | |
| 73 | /* The label on a line, used by some of the pseudo-ops. */ |
| 74 | extern symbolS *line_label; |
| 75 | |
| 76 | /* This is used to support MRI common sections. */ |
| 77 | extern symbolS *mri_common_symbol; |
| 78 | |
| 79 | /* Possible arguments to .linkonce. */ |
| 80 | enum linkonce_type |
| 81 | { |
| 82 | LINKONCE_UNSET = 0, |
| 83 | LINKONCE_DISCARD, |
| 84 | LINKONCE_ONE_ONLY, |
| 85 | LINKONCE_SAME_SIZE, |
| 86 | LINKONCE_SAME_CONTENTS |
| 87 | }; |
| 88 | |
| 89 | extern void pop_insert PARAMS ((const pseudo_typeS *)); |
| 90 | extern unsigned int get_stab_string_offset |
| 91 | PARAMS ((const char *string, const char *stabstr_secname)); |
| 92 | extern char *demand_copy_C_string PARAMS ((int *len_pointer)); |
| 93 | extern char get_absolute_expression_and_terminator |
| 94 | PARAMS ((long *val_pointer)); |
| 95 | extern offsetT get_absolute_expression PARAMS ((void)); |
| 96 | extern unsigned int next_char_of_string PARAMS ((void)); |
| 97 | extern void s_mri_sect PARAMS ((char *)); |
| 98 | extern char *mri_comment_field PARAMS ((char *)); |
| 99 | extern void mri_comment_end PARAMS ((char *, int)); |
| 100 | extern void add_include_dir PARAMS ((char *path)); |
| 101 | extern void cons PARAMS ((int nbytes)); |
| 102 | extern void demand_empty_rest_of_line PARAMS ((void)); |
| 103 | extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes)); |
| 104 | extern void emit_leb128_expr PARAMS ((expressionS *, int)); |
| 105 | extern void equals PARAMS ((char *sym_name, int reassign)); |
| 106 | extern void float_cons PARAMS ((int float_type)); |
| 107 | extern void ignore_rest_of_line PARAMS ((void)); |
| 108 | extern void discard_rest_of_line PARAMS ((void)); |
| 109 | extern int output_leb128 PARAMS ((char *, valueT, int sign)); |
| 110 | extern void pseudo_set PARAMS ((symbolS * symbolP)); |
| 111 | extern void read_a_source_file PARAMS ((char *name)); |
| 112 | extern void read_begin PARAMS ((void)); |
| 113 | extern void read_print_statistics PARAMS ((FILE *)); |
| 114 | extern int sizeof_leb128 PARAMS ((valueT, int sign)); |
| 115 | extern void stabs_generate_asm_file PARAMS ((void)); |
| 116 | extern void stabs_generate_asm_lineno PARAMS ((void)); |
| 117 | extern void stabs_generate_asm_func PARAMS ((const char *, const char *)); |
| 118 | extern void stabs_generate_asm_endfunc PARAMS ((const char *, const char *)); |
| 119 | |
| 120 | extern void generate_lineno_debug PARAMS ((void)); |
| 121 | |
| 122 | extern void s_abort PARAMS ((int)); |
| 123 | extern void s_align_bytes PARAMS ((int arg)); |
| 124 | extern void s_align_ptwo PARAMS ((int)); |
| 125 | extern void s_app_file PARAMS ((int)); |
| 126 | extern void s_app_line PARAMS ((int)); |
| 127 | extern void s_comm PARAMS ((int)); |
| 128 | extern void s_data PARAMS ((int)); |
| 129 | extern void s_desc PARAMS ((int)); |
| 130 | extern void s_else PARAMS ((int arg)); |
| 131 | extern void s_end PARAMS ((int arg)); |
| 132 | extern void s_endif PARAMS ((int arg)); |
| 133 | extern void s_err PARAMS ((int)); |
| 134 | extern void s_fail PARAMS ((int)); |
| 135 | extern void s_fill PARAMS ((int)); |
| 136 | extern void s_float_space PARAMS ((int mult)); |
| 137 | extern void s_func PARAMS ((int)); |
| 138 | extern void do_s_func PARAMS ((int, const char *)); |
| 139 | extern void s_globl PARAMS ((int arg)); |
| 140 | extern void s_if PARAMS ((int arg)); |
| 141 | extern void s_ifc PARAMS ((int arg)); |
| 142 | extern void s_ifdef PARAMS ((int arg)); |
| 143 | extern void s_ifeqs PARAMS ((int arg)); |
| 144 | extern void s_ignore PARAMS ((int arg)); |
| 145 | extern void s_include PARAMS ((int arg)); |
| 146 | extern void s_irp PARAMS ((int arg)); |
| 147 | extern void s_lcomm PARAMS ((int needs_align)); |
| 148 | extern void s_lcomm_bytes PARAMS ((int needs_align)); |
| 149 | extern void s_leb128 PARAMS ((int sign)); |
| 150 | extern void s_linkonce PARAMS ((int)); |
| 151 | extern void s_lsym PARAMS ((int)); |
| 152 | extern void s_macro PARAMS ((int)); |
| 153 | extern void s_mexit PARAMS ((int)); |
| 154 | extern void s_mri PARAMS ((int)); |
| 155 | extern void s_mri_common PARAMS ((int)); |
| 156 | extern void s_org PARAMS ((int)); |
| 157 | extern void s_print PARAMS ((int)); |
| 158 | extern void s_purgem PARAMS ((int)); |
| 159 | extern void s_rept PARAMS ((int)); |
| 160 | extern void s_set PARAMS ((int)); |
| 161 | extern void s_space PARAMS ((int mult)); |
| 162 | extern void s_stab PARAMS ((int what)); |
| 163 | extern void s_struct PARAMS ((int)); |
| 164 | extern void s_text PARAMS ((int)); |
| 165 | extern void stringer PARAMS ((int append_zero)); |
| 166 | extern void s_xstab PARAMS ((int what)); |
| 167 | extern void s_rva PARAMS ((int)); |
| 168 | |
| 169 | /* end of read.h */ |