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252b5132 | 1 | /* read.h - of read.c |
f7e42eb4 | 2 | Copyright 1986, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
a0ea3e1d | 3 | 2000, 2001, 2002, 2003 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
ee515fb7 KH |
19 | along with GAS; see the file COPYING. If not, write to the Free |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
252b5132 | 22 | |
ee515fb7 | 23 | extern char *input_line_pointer; /* -> char we are parsing now. */ |
252b5132 | 24 | |
ee515fb7 KH |
25 | /* Define to make whitespace be allowed in many syntactically |
26 | unnecessary places. Normally undefined. For compatibility with | |
27 | ancient GNU cc. */ | |
252b5132 | 28 | /* #undef PERMIT_WHITESPACE */ |
ee515fb7 | 29 | #define PERMIT_WHITESPACE |
252b5132 RH |
30 | |
31 | #ifdef PERMIT_WHITESPACE | |
ee515fb7 KH |
32 | #define SKIP_WHITESPACE() \ |
33 | { \ | |
34 | if (* input_line_pointer == ' ') \ | |
35 | ++ input_line_pointer; \ | |
36 | } | |
252b5132 RH |
37 | #else |
38 | #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' ) | |
39 | #endif | |
40 | ||
252b5132 RH |
41 | #define LEX_NAME (1) /* may continue a name */ |
42 | #define LEX_BEGIN_NAME (2) /* may begin a name */ | |
58b5739a | 43 | #define LEX_END_NAME (4) /* ends a name */ |
252b5132 RH |
44 | |
45 | #define is_name_beginner(c) \ | |
46 | ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME ) | |
47 | #define is_part_of_name(c) \ | |
48 | ( lex_type[(unsigned char) (c)] & LEX_NAME ) | |
58b5739a RH |
49 | #define is_name_ender(c) \ |
50 | ( lex_type[(unsigned char) (c)] & LEX_END_NAME ) | |
252b5132 RH |
51 | |
52 | #ifndef is_a_char | |
53 | #define CHAR_MASK (0xff) | |
54 | #define NOT_A_CHAR (CHAR_MASK+1) | |
ee515fb7 | 55 | #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK) |
252b5132 RH |
56 | #endif /* is_a_char() */ |
57 | ||
58 | extern char lex_type[]; | |
59 | extern char is_end_of_line[]; | |
60 | ||
61 | extern int is_it_end_of_statement PARAMS ((void)); | |
62 | ||
63 | extern int target_big_endian; | |
64 | ||
65 | /* These are initialized by the CPU specific target files (tc-*.c). */ | |
66 | extern const char comment_chars[]; | |
67 | extern const char line_comment_chars[]; | |
68 | extern const char line_separator_chars[]; | |
69 | ||
70 | /* Table of -I directories. */ | |
71 | extern char **include_dirs; | |
72 | extern int include_dir_count; | |
73 | extern int include_dir_maxlen; | |
74 | ||
75 | /* The offset in the absolute section. */ | |
76 | extern addressT abs_section_offset; | |
77 | ||
78 | /* The label on a line, used by some of the pseudo-ops. */ | |
79 | extern symbolS *line_label; | |
80 | ||
81 | /* This is used to support MRI common sections. */ | |
82 | extern symbolS *mri_common_symbol; | |
83 | ||
bccba5f0 | 84 | /* True if a stabs line debug statement is currently being emitted. */ |
92eb7b32 | 85 | extern int outputting_stabs_line_debug; |
bccba5f0 | 86 | |
252b5132 | 87 | /* Possible arguments to .linkonce. */ |
ee515fb7 | 88 | enum linkonce_type { |
252b5132 RH |
89 | LINKONCE_UNSET = 0, |
90 | LINKONCE_DISCARD, | |
91 | LINKONCE_ONE_ONLY, | |
92 | LINKONCE_SAME_SIZE, | |
93 | LINKONCE_SAME_CONTENTS | |
94 | }; | |
95 | ||
37d8bb27 NC |
96 | #define IGNORE_OPCODE_CASE |
97 | #ifdef IGNORE_OPCODE_CASE | |
98 | extern char original_case_string[]; | |
99 | #endif | |
100 | ||
252b5132 RH |
101 | extern void pop_insert PARAMS ((const pseudo_typeS *)); |
102 | extern unsigned int get_stab_string_offset | |
103 | PARAMS ((const char *string, const char *stabstr_secname)); | |
0aa5d426 | 104 | extern void aout_process_stab PARAMS ((int, const char *, int, int, int)); |
83b5ab55 | 105 | extern char *demand_copy_string PARAMS ((int *lenP)); |
252b5132 RH |
106 | extern char *demand_copy_C_string PARAMS ((int *len_pointer)); |
107 | extern char get_absolute_expression_and_terminator | |
108 | PARAMS ((long *val_pointer)); | |
a0ea3e1d | 109 | extern offsetT get_absolute_expr PARAMS ((expressionS *)); |
252b5132 RH |
110 | extern offsetT get_absolute_expression PARAMS ((void)); |
111 | extern unsigned int next_char_of_string PARAMS ((void)); | |
112 | extern void s_mri_sect PARAMS ((char *)); | |
113 | extern char *mri_comment_field PARAMS ((char *)); | |
114 | extern void mri_comment_end PARAMS ((char *, int)); | |
115 | extern void add_include_dir PARAMS ((char *path)); | |
116 | extern void cons PARAMS ((int nbytes)); | |
117 | extern void demand_empty_rest_of_line PARAMS ((void)); | |
118 | extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes)); | |
119 | extern void emit_leb128_expr PARAMS ((expressionS *, int)); | |
120 | extern void equals PARAMS ((char *sym_name, int reassign)); | |
121 | extern void float_cons PARAMS ((int float_type)); | |
122 | extern void ignore_rest_of_line PARAMS ((void)); | |
123 | extern void discard_rest_of_line PARAMS ((void)); | |
124 | extern int output_leb128 PARAMS ((char *, valueT, int sign)); | |
125 | extern void pseudo_set PARAMS ((symbolS * symbolP)); | |
126 | extern void read_a_source_file PARAMS ((char *name)); | |
127 | extern void read_begin PARAMS ((void)); | |
128 | extern void read_print_statistics PARAMS ((FILE *)); | |
129 | extern int sizeof_leb128 PARAMS ((valueT, int sign)); | |
130 | extern void stabs_generate_asm_file PARAMS ((void)); | |
131 | extern void stabs_generate_asm_lineno PARAMS ((void)); | |
132 | extern void stabs_generate_asm_func PARAMS ((const char *, const char *)); | |
133 | extern void stabs_generate_asm_endfunc PARAMS ((const char *, const char *)); | |
6dc19fc4 TW |
134 | extern void do_repeat PARAMS((int,const char *,const char *)); |
135 | extern void end_repeat PARAMS((int)); | |
cdfbf930 | 136 | extern void do_parse_cons_expression PARAMS ((expressionS *, int)); |
252b5132 RH |
137 | |
138 | extern void generate_lineno_debug PARAMS ((void)); | |
139 | ||
46b85d42 | 140 | extern void s_abort PARAMS ((int)) ATTRIBUTE_NORETURN; |
252b5132 RH |
141 | extern void s_align_bytes PARAMS ((int arg)); |
142 | extern void s_align_ptwo PARAMS ((int)); | |
ecb4347a | 143 | extern void s_app_file_string PARAMS ((char *)); |
252b5132 RH |
144 | extern void s_app_file PARAMS ((int)); |
145 | extern void s_app_line PARAMS ((int)); | |
7f28ab9d | 146 | extern void s_bad_endr PARAMS ((int)); |
252b5132 RH |
147 | extern void s_comm PARAMS ((int)); |
148 | extern void s_data PARAMS ((int)); | |
149 | extern void s_desc PARAMS ((int)); | |
150 | extern void s_else PARAMS ((int arg)); | |
3fd9f047 | 151 | extern void s_elseif PARAMS ((int arg)); |
252b5132 RH |
152 | extern void s_end PARAMS ((int arg)); |
153 | extern void s_endif PARAMS ((int arg)); | |
154 | extern void s_err PARAMS ((int)); | |
155 | extern void s_fail PARAMS ((int)); | |
156 | extern void s_fill PARAMS ((int)); | |
157 | extern void s_float_space PARAMS ((int mult)); | |
158 | extern void s_func PARAMS ((int)); | |
159 | extern void do_s_func PARAMS ((int, const char *)); | |
160 | extern void s_globl PARAMS ((int arg)); | |
161 | extern void s_if PARAMS ((int arg)); | |
162 | extern void s_ifc PARAMS ((int arg)); | |
163 | extern void s_ifdef PARAMS ((int arg)); | |
164 | extern void s_ifeqs PARAMS ((int arg)); | |
165 | extern void s_ignore PARAMS ((int arg)); | |
166 | extern void s_include PARAMS ((int arg)); | |
167 | extern void s_irp PARAMS ((int arg)); | |
168 | extern void s_lcomm PARAMS ((int needs_align)); | |
169 | extern void s_lcomm_bytes PARAMS ((int needs_align)); | |
170 | extern void s_leb128 PARAMS ((int sign)); | |
171 | extern void s_linkonce PARAMS ((int)); | |
172 | extern void s_lsym PARAMS ((int)); | |
173 | extern void s_macro PARAMS ((int)); | |
174 | extern void s_mexit PARAMS ((int)); | |
175 | extern void s_mri PARAMS ((int)); | |
176 | extern void s_mri_common PARAMS ((int)); | |
177 | extern void s_org PARAMS ((int)); | |
178 | extern void s_print PARAMS ((int)); | |
179 | extern void s_purgem PARAMS ((int)); | |
180 | extern void s_rept PARAMS ((int)); | |
181 | extern void s_set PARAMS ((int)); | |
182 | extern void s_space PARAMS ((int mult)); | |
183 | extern void s_stab PARAMS ((int what)); | |
184 | extern void s_struct PARAMS ((int)); | |
185 | extern void s_text PARAMS ((int)); | |
186 | extern void stringer PARAMS ((int append_zero)); | |
187 | extern void s_xstab PARAMS ((int what)); | |
188 | extern void s_rva PARAMS ((int)); | |
7e005732 | 189 | extern void s_incbin PARAMS ((int)); |