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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, 2001, 2002, 2003, 2004, 2005, 2007, 2008
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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, 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 ((*input_line_pointer == ' ') ? ++input_line_pointer : 0)
34 #else
35 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
36 #endif
38 #define LEX_NAME (1) /* may continue a name */
39 #define LEX_BEGIN_NAME (2) /* may begin a name */
40 #define LEX_END_NAME (4) /* ends a name */
42 #define is_name_beginner(c) \
43 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
44 #define is_part_of_name(c) \
45 ( lex_type[(unsigned char) (c)] & LEX_NAME )
46 #define is_name_ender(c) \
47 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
49 #ifndef is_a_char
50 #define CHAR_MASK (0xff)
51 #define NOT_A_CHAR (CHAR_MASK+1)
52 #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
53 #endif /* is_a_char() */
55 extern char lex_type[];
56 extern char is_end_of_line[];
58 extern int is_it_end_of_statement (void);
59 extern char *find_end_of_line (char *, int);
61 extern int target_big_endian;
63 /* These are initialized by the CPU specific target files (tc-*.c). */
64 extern const char comment_chars[];
65 extern const char line_comment_chars[];
66 extern const char line_separator_chars[];
68 /* Table of -I directories. */
69 extern char **include_dirs;
70 extern int include_dir_count;
71 extern int include_dir_maxlen;
73 /* The offset in the absolute section. */
74 extern addressT abs_section_offset;
76 /* The label on a line, used by some of the pseudo-ops. */
77 extern symbolS *line_label;
79 /* This is used to support MRI common sections. */
80 extern symbolS *mri_common_symbol;
82 /* True if a stabs line debug statement is currently being emitted. */
83 extern int outputting_stabs_line_debug;
85 /* Possible arguments to .linkonce. */
86 enum linkonce_type {
87 LINKONCE_UNSET = 0,
88 LINKONCE_DISCARD,
89 LINKONCE_ONE_ONLY,
90 LINKONCE_SAME_SIZE,
91 LINKONCE_SAME_CONTENTS
94 #ifndef TC_CASE_SENSITIVE
95 extern char original_case_string[];
96 #endif
98 extern void pop_insert (const pseudo_typeS *);
99 extern unsigned int get_stab_string_offset
100 (const char *string, const char *stabstr_secname);
101 extern void aout_process_stab (int, const char *, int, int, int);
102 extern char *demand_copy_string (int *lenP);
103 extern char *demand_copy_C_string (int *len_pointer);
104 extern char get_absolute_expression_and_terminator (long *val_pointer);
105 extern offsetT get_absolute_expression (void);
106 extern unsigned int next_char_of_string (void);
107 extern void s_mri_sect (char *);
108 extern char *mri_comment_field (char *);
109 extern void mri_comment_end (char *, int);
110 extern void add_include_dir (char *path);
111 extern void cons (int nbytes);
112 extern void demand_empty_rest_of_line (void);
113 extern void emit_expr (expressionS *exp, unsigned int nbytes);
114 extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *);
115 extern void equals (char *sym_name, int reassign);
116 extern void float_cons (int float_type);
117 extern void ignore_rest_of_line (void);
118 #define discard_rest_of_line ignore_rest_of_line
119 extern int output_leb128 (char *, valueT, int sign);
120 extern void pseudo_set (symbolS * symbolP);
121 extern void read_a_source_file (char *name);
122 extern void read_begin (void);
123 extern void read_print_statistics (FILE *);
124 extern int sizeof_leb128 (valueT, int sign);
125 extern void stabs_generate_asm_file (void);
126 extern void stabs_generate_asm_lineno (void);
127 extern void stabs_generate_asm_func (const char *, const char *);
128 extern void stabs_generate_asm_endfunc (const char *, const char *);
129 extern void do_repeat (int,const char *,const char *);
130 extern void end_repeat (int);
131 extern void do_parse_cons_expression (expressionS *, int);
133 extern void generate_lineno_debug (void);
135 extern void s_abort (int) ATTRIBUTE_NORETURN;
136 extern void s_align_bytes (int arg);
137 extern void s_align_ptwo (int);
138 extern void bss_alloc (symbolS *, addressT, int);
139 extern offsetT parse_align (int);
140 extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT));
141 extern symbolS *s_lcomm_internal (int, symbolS *, addressT);
142 extern void s_app_file_string (char *, int);
143 extern void s_app_file (int);
144 extern void s_app_line (int);
145 extern void s_comm (int);
146 extern void s_data (int);
147 extern void s_desc (int);
148 extern void s_else (int arg);
149 extern void s_elseif (int arg);
150 extern void s_end (int arg);
151 extern void s_endif (int arg);
152 extern void s_err (int);
153 extern void s_errwarn (int);
154 extern void s_fail (int);
155 extern void s_fill (int);
156 extern void s_float_space (int mult);
157 extern void s_func (int);
158 extern void s_globl (int arg);
159 extern void s_if (int arg);
160 extern void s_ifb (int arg);
161 extern void s_ifc (int arg);
162 extern void s_ifdef (int arg);
163 extern void s_ifeqs (int arg);
164 extern void s_ignore (int arg);
165 extern void s_include (int arg);
166 extern void s_irp (int arg);
167 extern void s_lcomm (int needs_align);
168 extern void s_lcomm_bytes (int needs_align);
169 extern void s_leb128 (int sign);
170 extern void s_linkonce (int);
171 extern void s_lsym (int);
172 extern void s_macro (int);
173 extern void s_mexit (int);
174 extern void s_mri (int);
175 extern void s_mri_common (int);
176 extern void s_org (int);
177 extern void s_print (int);
178 extern void s_purgem (int);
179 extern void s_rept (int);
180 extern void s_set (int);
181 extern void s_space (int mult);
182 extern void s_stab (int what);
183 extern void s_struct (int);
184 extern void s_text (int);
185 extern void stringer (int append_zero);
186 extern void s_xstab (int what);
187 extern void s_rva (int);
188 extern void s_incbin (int);
189 extern void s_vendor_attribute (int);
190 extern void s_weakref (int);