1 /* read.h - of read.c 2 Copyright (C) 1986-2014 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 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 (void); 57 extern char *find_end_of_line (char *, int); 58 59 extern int target_big_endian; 60 61 /* These are initialized by the CPU specific target files (tc-*.c). */ 62 extern const char comment_chars[]; 63 extern const char line_comment_chars[]; 64 extern const char line_separator_chars[]; 65 66 /* Table of -I directories. */ 67 extern char **include_dirs; 68 extern int include_dir_count; 69 extern int include_dir_maxlen; 70 71 /* The offset in the absolute section. */ 72 extern addressT abs_section_offset; 73 74 /* The label on a line, used by some of the pseudo-ops. */ 75 extern symbolS *line_label; 76 77 /* This is used to support MRI common sections. */ 78 extern symbolS *mri_common_symbol; 79 80 /* True if a stabs line debug statement is currently being emitted. */ 81 extern int outputting_stabs_line_debug; 82 83 /* Possible arguments to .linkonce. */ 84 enum linkonce_type { 85 LINKONCE_UNSET = 0, 86 LINKONCE_DISCARD, 87 LINKONCE_ONE_ONLY, 88 LINKONCE_SAME_SIZE, 89 LINKONCE_SAME_CONTENTS 90 }; 91 92 #ifndef TC_CASE_SENSITIVE 93 extern char original_case_string[]; 94 #endif 95 96 #ifndef TC_PARSE_CONS_RETURN_TYPE 97 #define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type 98 #define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE 99 #endif 100 101 extern void pop_insert (const pseudo_typeS *); 102 extern unsigned int get_stab_string_offset 103 (const char *string, const char *stabstr_secname); 104 extern void aout_process_stab (int, const char *, int, int, int); 105 extern char *demand_copy_string (int *lenP); 106 extern char *demand_copy_C_string (int *len_pointer); 107 extern char get_absolute_expression_and_terminator (long *val_pointer); 108 extern offsetT get_absolute_expression (void); 109 extern unsigned int next_char_of_string (void); 110 extern void s_mri_sect (char *); 111 extern char *mri_comment_field (char *); 112 extern void mri_comment_end (char *, int); 113 extern void add_include_dir (char *path); 114 extern void cons (int nbytes); 115 extern void demand_empty_rest_of_line (void); 116 extern void emit_expr (expressionS *exp, unsigned int nbytes); 117 extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes, 118 TC_PARSE_CONS_RETURN_TYPE); 119 extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *, 120 TC_PARSE_CONS_RETURN_TYPE); 121 extern void equals (char *sym_name, int reassign); 122 extern void float_cons (int float_type); 123 extern void ignore_rest_of_line (void); 124 #define discard_rest_of_line ignore_rest_of_line 125 extern int output_leb128 (char *, valueT, int sign); 126 extern void pseudo_set (symbolS * symbolP); 127 extern void read_a_source_file (char *name); 128 extern void read_begin (void); 129 extern void read_print_statistics (FILE *); 130 extern int sizeof_leb128 (valueT, int sign); 131 extern void stabs_generate_asm_file (void); 132 extern void stabs_generate_asm_lineno (void); 133 extern void stabs_generate_asm_func (const char *, const char *); 134 extern void stabs_generate_asm_endfunc (const char *, const char *); 135 extern void do_repeat (int,const char *,const char *); 136 extern void do_repeat_with_expander (int, const char *, const char *, const char *); 137 extern void end_repeat (int); 138 extern void do_parse_cons_expression (expressionS *, int); 139 140 extern void generate_lineno_debug (void); 141 142 extern void s_abort (int) ATTRIBUTE_NORETURN; 143 extern void s_align_bytes (int arg); 144 extern void s_align_ptwo (int); 145 extern void bss_alloc (symbolS *, addressT, int); 146 extern offsetT parse_align (int); 147 extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT)); 148 extern symbolS *s_lcomm_internal (int, symbolS *, addressT); 149 extern void s_app_file_string (char *, int); 150 extern void s_app_file (int); 151 extern void s_app_line (int); 152 extern void s_bundle_align_mode (int); 153 extern void s_bundle_lock (int); 154 extern void s_bundle_unlock (int); 155 extern void s_comm (int); 156 extern void s_data (int); 157 extern void s_desc (int); 158 extern void s_else (int arg); 159 extern void s_elseif (int arg); 160 extern void s_end (int arg); 161 extern void s_endif (int arg); 162 extern void s_err (int); 163 extern void s_errwarn (int); 164 extern void s_fail (int); 165 extern void s_fill (int); 166 extern void s_float_space (int mult); 167 extern void s_func (int); 168 extern void s_globl (int arg); 169 extern void s_if (int arg); 170 extern void s_ifb (int arg); 171 extern void s_ifc (int arg); 172 extern void s_ifdef (int arg); 173 extern void s_ifeqs (int arg); 174 extern void s_ignore (int arg); 175 extern void s_include (int arg); 176 extern void s_irp (int arg); 177 extern void s_lcomm (int needs_align); 178 extern void s_lcomm_bytes (int needs_align); 179 extern void s_leb128 (int sign); 180 extern void s_linkonce (int); 181 extern void s_lsym (int); 182 extern void s_macro (int); 183 extern void s_mexit (int); 184 extern void s_mri (int); 185 extern void s_mri_common (int); 186 extern void s_org (int); 187 extern void s_print (int); 188 extern void s_purgem (int); 189 extern void s_rept (int); 190 extern void s_set (int); 191 extern void s_space (int mult); 192 extern void s_stab (int what); 193 extern void s_struct (int); 194 extern void s_text (int); 195 extern void stringer (int append_zero); 196 extern void s_xstab (int what); 197 extern void s_rva (int); 198 extern void s_incbin (int); 199 extern void s_weakref (int); 200