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252b5132 RH |
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 */ | |
58b5739a | 38 | #define LEX_END_NAME (4) /* ends a name */ |
252b5132 RH |
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 ) | |
58b5739a RH |
44 | #define is_name_ender(c) \ |
45 | ( lex_type[(unsigned char) (c)] & LEX_END_NAME ) | |
252b5132 RH |
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 */ |