1 /* read.h - of read.c 2 Copyright (C) 1986-2016 Free Software Foundation, Inc. 3 4 This file is part of GAS, the GNU Assembler. 5 6 GAS is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GAS is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GAS; see the file COPYING. If not, write to the Free 18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 19 02110-1301, USA. */ 20 21 extern char *input_line_pointer; /* -> char we are parsing now. */ 22 23 /* Define to make whitespace be allowed in many syntactically 24 unnecessary places. Normally undefined. For compatibility with 25 ancient GNU cc. */ 26 /* #undef PERMIT_WHITESPACE */ 27 #define PERMIT_WHITESPACE 28 29 #ifdef PERMIT_WHITESPACE 30 #define SKIP_WHITESPACE() \ 31 ((*input_line_pointer == ' ') ? ++input_line_pointer : 0) 32 #else 33 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' ) 34 #endif 35 36 #define SKIP_WHITESPACE_AFTER_NAME() \ 37 do \ 38 { \ 39 if (* input_line_pointer == '"') \ 40 ++ input_line_pointer; \ 41 if (* input_line_pointer == ' ') \ 42 ++ input_line_pointer; \ 43 } \ 44 while (0) 45 46 #define LEX_NAME (1) /* may continue a name */ 47 #define LEX_BEGIN_NAME (2) /* may begin a name */ 48 #define LEX_END_NAME (4) /* ends a name */ 49 50 #define is_name_beginner(c) \ 51 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME ) 52 #define is_part_of_name(c) \ 53 ( lex_type[(unsigned char) (c)] & LEX_NAME ) 54 #define is_name_ender(c) \ 55 ( lex_type[(unsigned char) (c)] & LEX_END_NAME ) 56 57 #ifndef is_a_char 58 #define CHAR_MASK (0xff) 59 #define NOT_A_CHAR (CHAR_MASK+1) 60 #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK) 61 #endif /* is_a_char() */ 62 63 extern char lex_type[]; 64 extern char is_end_of_line[]; 65 66 extern int is_it_end_of_statement (void); 67 extern char *find_end_of_line (char *, int); 68 69 extern int target_big_endian; 70 71 /* These are initialized by the CPU specific target files (tc-*.c). */ 72 extern const char comment_chars[]; 73 extern const char line_comment_chars[]; 74 extern const char line_separator_chars[]; 75 76 /* Table of -I directories. */ 77 extern const char **include_dirs; 78 extern int include_dir_count; 79 extern int include_dir_maxlen; 80 81 /* The offset in the absolute section. */ 82 extern addressT abs_section_offset; 83 84 /* The label on a line, used by some of the pseudo-ops. */ 85 extern symbolS *line_label; 86 87 /* This is used to support MRI common sections. */ 88 extern symbolS *mri_common_symbol; 89 90 /* True if a stabs line debug statement is currently being emitted. */ 91 extern int outputting_stabs_line_debug; 92 93 /* Possible arguments to .linkonce. */ 94 enum linkonce_type { 95 LINKONCE_UNSET = 0, 96 LINKONCE_DISCARD, 97 LINKONCE_ONE_ONLY, 98 LINKONCE_SAME_SIZE, 99 LINKONCE_SAME_CONTENTS 100 }; 101 102 #ifndef TC_CASE_SENSITIVE 103 extern char original_case_string[]; 104 #endif 105 106 #ifndef TC_PARSE_CONS_RETURN_TYPE 107 #define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type 108 #define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE 109 #endif 110 111 extern void pop_insert (const pseudo_typeS *); 112 extern unsigned int get_stab_string_offset 113 (const char *string, const char *stabstr_secname); 114 extern void aout_process_stab (int, const char *, int, int, int); 115 extern char *demand_copy_string (int *lenP); 116 extern char *demand_copy_C_string (int *len_pointer); 117 extern char get_absolute_expression_and_terminator (long *val_pointer); 118 extern offsetT get_absolute_expression (void); 119 extern unsigned int next_char_of_string (void); 120 extern void s_mri_sect (char *); 121 extern char *mri_comment_field (char *); 122 extern void mri_comment_end (char *, int); 123 extern void add_include_dir (char *path); 124 extern void cons (int nbytes); 125 extern void demand_empty_rest_of_line (void); 126 extern void emit_expr (expressionS *exp, unsigned int nbytes); 127 extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes, 128 TC_PARSE_CONS_RETURN_TYPE); 129 extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *, 130 TC_PARSE_CONS_RETURN_TYPE); 131 extern void equals (char *, int); 132 extern void float_cons (int); 133 extern void ignore_rest_of_line (void); 134 #define discard_rest_of_line ignore_rest_of_line 135 extern unsigned output_leb128 (char *, valueT, int); 136 extern void pseudo_set (symbolS * symbolP); 137 extern void read_a_source_file (const char *name); 138 extern void read_begin (void); 139 extern void read_print_statistics (FILE *); 140 extern char *read_symbol_name (void); 141 extern unsigned sizeof_leb128 (valueT, int); 142 extern void stabs_generate_asm_file (void); 143 extern void stabs_generate_asm_lineno (void); 144 extern void stabs_generate_asm_func (const char *, const char *); 145 extern void stabs_generate_asm_endfunc (const char *, const char *); 146 extern void do_repeat (int,const char *,const char *); 147 extern void do_repeat_with_expander (int, const char *, const char *, const char *); 148 extern void end_repeat (int); 149 extern void do_parse_cons_expression (expressionS *, int); 150 151 extern void generate_lineno_debug (void); 152 153 extern void s_abort (int) ATTRIBUTE_NORETURN; 154 extern void s_align_bytes (int arg); 155 extern void s_align_ptwo (int); 156 extern void do_align (unsigned int align, char *fill, unsigned int length, 157 unsigned int max); 158 extern void bss_alloc (symbolS *, addressT, unsigned); 159 extern offsetT parse_align (int); 160 extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT)); 161 extern symbolS *s_lcomm_internal (int, symbolS *, addressT); 162 extern void s_app_file_string (char *, int); 163 extern void s_app_file (int); 164 extern void s_app_line (int); 165 extern void s_bundle_align_mode (int); 166 extern void s_bundle_lock (int); 167 extern void s_bundle_unlock (int); 168 extern void s_comm (int); 169 extern void s_data (int); 170 extern void s_desc (int); 171 extern void s_else (int arg); 172 extern void s_elseif (int arg); 173 extern void s_end (int arg); 174 extern void s_endif (int arg); 175 extern void s_err (int); 176 extern void s_errwarn (int); 177 extern void s_fail (int); 178 extern void s_fill (int); 179 extern void s_float_space (int mult); 180 extern void s_func (int); 181 extern void s_globl (int arg); 182 extern void s_if (int arg); 183 extern void s_ifb (int arg); 184 extern void s_ifc (int arg); 185 extern void s_ifdef (int arg); 186 extern void s_ifeqs (int arg); 187 extern void s_ignore (int arg); 188 extern void s_include (int arg); 189 extern void s_irp (int arg); 190 extern void s_lcomm (int needs_align); 191 extern void s_lcomm_bytes (int needs_align); 192 extern void s_leb128 (int sign); 193 extern void s_linkonce (int); 194 extern void s_lsym (int); 195 extern void s_macro (int); 196 extern void s_mexit (int); 197 extern void s_mri (int); 198 extern void s_mri_common (int); 199 extern void s_org (int); 200 extern void s_print (int); 201 extern void s_purgem (int); 202 extern void s_rept (int); 203 extern void s_set (int); 204 extern void s_space (int mult); 205 extern void s_stab (int what); 206 extern void s_struct (int); 207 extern void s_text (int); 208 extern void stringer (int append_zero); 209 extern void s_xstab (int what); 210 extern void s_rva (int); 211 extern void s_incbin (int); 212 extern void s_weakref (int); 213
