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[binutils.git] / gas / read.h
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1 /* read.h - of read.c
2 Copyright 1986, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000
4 Free Software Foundation, Inc.
6 This file is part of GAS, the GNU Assembler.
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.
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.
18 You should have received a copy of the GNU General Public License
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. */
23 extern char *input_line_pointer; /* -> char we are parsing now. */
25 /* Define to make whitespace be allowed in many syntactically
26 unnecessary places. Normally undefined. For compatibility with
27 ancient GNU cc. */
28 /* #undef PERMIT_WHITESPACE */
29 #define PERMIT_WHITESPACE
31 #ifdef PERMIT_WHITESPACE
32 #define SKIP_WHITESPACE() \
33 { \
34 if (* input_line_pointer == ' ') \
35 ++ input_line_pointer; \
37 #else
38 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
39 #endif
41 #define LEX_NAME (1) /* may continue a name */
42 #define LEX_BEGIN_NAME (2) /* may begin a name */
43 #define LEX_END_NAME (4) /* ends a name */
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 )
49 #define is_name_ender(c) \
50 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
52 #ifndef is_a_char
53 #define CHAR_MASK (0xff)
54 #define NOT_A_CHAR (CHAR_MASK+1)
55 #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
56 #endif /* is_a_char() */
58 extern char lex_type[];
59 extern char is_end_of_line[];
61 extern int is_it_end_of_statement PARAMS ((void));
63 extern int target_big_endian;
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[];
70 /* Table of -I directories. */
71 extern char **include_dirs;
72 extern int include_dir_count;
73 extern int include_dir_maxlen;
75 /* The offset in the absolute section. */
76 extern addressT abs_section_offset;
78 /* The label on a line, used by some of the pseudo-ops. */
79 extern symbolS *line_label;
81 /* This is used to support MRI common sections. */
82 extern symbolS *mri_common_symbol;
84 /* True if a stabs line debug statement is currently being emitted. */
85 extern int outputting_stabs_line_debug;
87 /* Possible arguments to .linkonce. */
88 enum linkonce_type {
89 LINKONCE_UNSET = 0,
90 LINKONCE_DISCARD,
91 LINKONCE_ONE_ONLY,
92 LINKONCE_SAME_SIZE,
93 LINKONCE_SAME_CONTENTS
96 #define IGNORE_OPCODE_CASE
97 #ifdef IGNORE_OPCODE_CASE
98 extern char original_case_string[];
99 #endif
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));
104 extern void aout_process_stab PARAMS ((int, const char *, int, int, int));
105 extern char *demand_copy_C_string PARAMS ((int *len_pointer));
106 extern char get_absolute_expression_and_terminator
107 PARAMS ((long *val_pointer));
108 extern offsetT get_absolute_expression PARAMS ((void));
109 extern unsigned int next_char_of_string PARAMS ((void));
110 extern void s_mri_sect PARAMS ((char *));
111 extern char *mri_comment_field PARAMS ((char *));
112 extern void mri_comment_end PARAMS ((char *, int));
113 extern void add_include_dir PARAMS ((char *path));
114 extern void cons PARAMS ((int nbytes));
115 extern void demand_empty_rest_of_line PARAMS ((void));
116 extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes));
117 extern void emit_leb128_expr PARAMS ((expressionS *, int));
118 extern void equals PARAMS ((char *sym_name, int reassign));
119 extern void float_cons PARAMS ((int float_type));
120 extern void ignore_rest_of_line PARAMS ((void));
121 extern void discard_rest_of_line PARAMS ((void));
122 extern int output_leb128 PARAMS ((char *, valueT, int sign));
123 extern void pseudo_set PARAMS ((symbolS * symbolP));
124 extern void read_a_source_file PARAMS ((char *name));
125 extern void read_begin PARAMS ((void));
126 extern void read_print_statistics PARAMS ((FILE *));
127 extern int sizeof_leb128 PARAMS ((valueT, int sign));
128 extern void stabs_generate_asm_file PARAMS ((void));
129 extern void stabs_generate_asm_lineno PARAMS ((void));
130 extern void stabs_generate_asm_func PARAMS ((const char *, const char *));
131 extern void stabs_generate_asm_endfunc PARAMS ((const char *, const char *));
132 extern void do_repeat PARAMS((int,const char *,const char *));
133 extern void end_repeat PARAMS((int));
135 extern void generate_lineno_debug PARAMS ((void));
137 extern void s_abort PARAMS ((int)) ATTRIBUTE_NORETURN;
138 extern void s_align_bytes PARAMS ((int arg));
139 extern void s_align_ptwo PARAMS ((int));
140 extern void s_app_file_string PARAMS ((char *));
141 extern void s_app_file PARAMS ((int));
142 extern void s_app_line PARAMS ((int));
143 extern void s_bad_endr PARAMS ((int));
144 extern void s_comm PARAMS ((int));
145 extern void s_data PARAMS ((int));
146 extern void s_desc PARAMS ((int));
147 extern void s_else PARAMS ((int arg));
148 extern void s_elseif PARAMS ((int arg));
149 extern void s_end PARAMS ((int arg));
150 extern void s_endif PARAMS ((int arg));
151 extern void s_err PARAMS ((int));
152 extern void s_fail PARAMS ((int));
153 extern void s_fill PARAMS ((int));
154 extern void s_float_space PARAMS ((int mult));
155 extern void s_func PARAMS ((int));
156 extern void do_s_func PARAMS ((int, const char *));
157 extern void s_globl PARAMS ((int arg));
158 extern void s_if PARAMS ((int arg));
159 extern void s_ifc PARAMS ((int arg));
160 extern void s_ifdef PARAMS ((int arg));
161 extern void s_ifeqs PARAMS ((int arg));
162 extern void s_ignore PARAMS ((int arg));
163 extern void s_include PARAMS ((int arg));
164 extern void s_irp PARAMS ((int arg));
165 extern void s_lcomm PARAMS ((int needs_align));
166 extern void s_lcomm_bytes PARAMS ((int needs_align));
167 extern void s_leb128 PARAMS ((int sign));
168 extern void s_linkonce PARAMS ((int));
169 extern void s_lsym PARAMS ((int));
170 extern void s_macro PARAMS ((int));
171 extern void s_mexit PARAMS ((int));
172 extern void s_mri PARAMS ((int));
173 extern void s_mri_common PARAMS ((int));
174 extern void s_org PARAMS ((int));
175 extern void s_print PARAMS ((int));
176 extern void s_purgem PARAMS ((int));
177 extern void s_rept PARAMS ((int));
178 extern void s_set PARAMS ((int));
179 extern void s_space PARAMS ((int mult));
180 extern void s_stab PARAMS ((int what));
181 extern void s_struct PARAMS ((int));
182 extern void s_text PARAMS ((int));
183 extern void stringer PARAMS ((int append_zero));
184 extern void s_xstab PARAMS ((int what));
185 extern void s_rva PARAMS ((int));
186 extern void s_incbin PARAMS ((int));