1 /* read.h - of read.c 2 Copyright (C) 1986, 90, 92, 93, 94, 95, 1996 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 2, 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 18 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 19 20 extern char *input_line_pointer;/* -> char we are parsing now. */ 21 22 #define PERMIT_WHITESPACE /* Define to make whitespace be allowed in */ 23 /* many syntactically unnecessary places. */ 24 /* Normally undefined. For compatibility */ 25 /* with ancient GNU cc. */ 26 /* #undef PERMIT_WHITESPACE */ 27 28 #ifdef PERMIT_WHITESPACE 29 #define SKIP_WHITESPACE() {if (* input_line_pointer == ' ') ++ input_line_pointer;} 30 #else 31 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' ) 32 #endif 33 34 35 #define LEX_NAME (1) /* may continue a name */ 36 #define LEX_BEGIN_NAME (2) /* may begin a name */ 37 38 #define is_name_beginner(c) \ 39 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME ) 40 #define is_part_of_name(c) \ 41 ( lex_type[(unsigned char) (c)] & LEX_NAME ) 42 43 #ifndef is_a_char 44 #define CHAR_MASK (0xff) 45 #define NOT_A_CHAR (CHAR_MASK+1) 46 #define is_a_char(c) (((unsigned)(c)) <= CHAR_MASK) 47 #endif /* is_a_char() */ 48 49 extern char lex_type[]; 50 extern char is_end_of_line[]; 51 52 extern int is_it_end_of_statement PARAMS ((void)); 53 54 extern int target_big_endian; 55 56 /* These are initialized by the CPU specific target files (tc-*.c). */ 57 extern const char comment_chars[]; 58 extern const char line_comment_chars[]; 59 extern const char line_separator_chars[]; 60 61 /* This flag whether to generate line info for asm file */ 62 extern int generate_asm_lineno; 63 64 /* The offset in the absolute section. */ 65 extern addressT abs_section_offset; 66 67 /* The label on a line, used by some of the pseudo-ops. */ 68 extern symbolS *line_label; 69 70 /* This is used to support MRI common sections. */ 71 extern symbolS *mri_common_symbol; 72 73 /* Possible arguments to .linkonce. */ 74 enum linkonce_type 75 { 76 LINKONCE_UNSET = 0, 77 LINKONCE_DISCARD, 78 LINKONCE_ONE_ONLY, 79 LINKONCE_SAME_SIZE, 80 LINKONCE_SAME_CONTENTS 81 }; 82 83 extern void pop_insert PARAMS ((const pseudo_typeS *)); 84 extern unsigned int get_stab_string_offset 85 PARAMS ((const char *string, const char *stabstr_secname)); 86 extern char *demand_copy_C_string PARAMS ((int *len_pointer)); 87 extern char get_absolute_expression_and_terminator 88 PARAMS ((long *val_pointer)); 89 extern offsetT get_absolute_expression PARAMS ((void)); 90 extern unsigned int next_char_of_string PARAMS ((void)); 91 extern void s_mri_sect PARAMS ((char *)); 92 extern char *mri_comment_field PARAMS ((char *)); 93 extern void mri_comment_end PARAMS ((char *, int)); 94 extern void add_include_dir PARAMS ((char *path)); 95 extern void cons PARAMS ((int nbytes)); 96 extern void demand_empty_rest_of_line PARAMS ((void)); 97 extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes)); 98 extern void equals PARAMS ((char *sym_name)); 99 extern void float_cons PARAMS ((int float_type)); 100 extern void ignore_rest_of_line PARAMS ((void)); 101 extern void pseudo_set PARAMS ((symbolS * symbolP)); 102 extern void read_a_source_file PARAMS ((char *name)); 103 extern void read_begin PARAMS ((void)); 104 extern void s_abort PARAMS ((int)); 105 extern void s_align_bytes PARAMS ((int arg)); 106 extern void s_align_ptwo PARAMS ((int)); 107 extern void s_app_file PARAMS ((int)); 108 extern void s_app_line PARAMS ((int)); 109 extern void s_comm PARAMS ((int)); 110 extern void s_data PARAMS ((int)); 111 extern void s_desc PARAMS ((int)); 112 extern void s_else PARAMS ((int arg)); 113 extern void s_end PARAMS ((int arg)); 114 extern void s_endif PARAMS ((int arg)); 115 extern void s_err PARAMS ((int)); 116 extern void s_fail PARAMS ((int)); 117 extern void s_fill PARAMS ((int)); 118 extern void s_float_space PARAMS ((int mult)); 119 extern void s_globl PARAMS ((int arg)); 120 extern void s_if PARAMS ((int arg)); 121 extern void s_ifc PARAMS ((int arg)); 122 extern void s_ifdef PARAMS ((int arg)); 123 extern void s_ifeqs PARAMS ((int arg)); 124 extern void s_ignore PARAMS ((int arg)); 125 extern void s_include PARAMS ((int arg)); 126 extern void s_irp PARAMS ((int arg)); 127 extern void s_lcomm PARAMS ((int needs_align)); 128 extern void s_linkonce PARAMS ((int)); 129 extern void s_lsym PARAMS ((int)); 130 extern void s_macro PARAMS ((int)); 131 extern void s_mexit PARAMS ((int)); 132 extern void s_mri PARAMS ((int)); 133 extern void s_mri_common PARAMS ((int)); 134 extern void s_org PARAMS ((int)); 135 extern void s_print PARAMS ((int)); 136 extern void s_purgem PARAMS ((int)); 137 extern void s_rept PARAMS ((int)); 138 extern void s_set PARAMS ((int)); 139 extern void s_space PARAMS ((int mult)); 140 extern void s_stab PARAMS ((int what)); 141 extern void s_struct PARAMS ((int)); 142 extern void s_text PARAMS ((int)); 143 extern void stringer PARAMS ((int append_zero)); 144 extern void s_xstab PARAMS ((int what)); 145 extern void s_rva PARAMS ((int)); 146 extern void read_print_statistics PARAMS ((FILE *)); 147 148 /* end of read.h */ 149