2 Copyright (C) 1986-2016 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
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 3, or (at your option)
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.
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 the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 extern char *input_line_pointer; /* -> char we are parsing now. */
23 /* Define to make whitespace be allowed in many syntactically
24 unnecessary places. Normally undefined. For compatibility with
26 /* #undef PERMIT_WHITESPACE */
27 #define PERMIT_WHITESPACE
29 #ifdef PERMIT_WHITESPACE
30 #define SKIP_WHITESPACE() \
31 ((*input_line_pointer == ' ') ? ++input_line_pointer : 0)
33 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
36 #define SKIP_WHITESPACE_AFTER_NAME() \
39 if (* input_line_pointer == '"') \
40 ++ input_line_pointer; \
41 if (* input_line_pointer == ' ') \
42 ++ input_line_pointer; \
46 #define LEX_NAME (1) /* may continue a name */
47 #define LEX_BEGIN_NAME (2) /* may begin a name */
48 #define LEX_END_NAME (4) /* ends a name */
50 #define is_name_beginner(c) \
51 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
52 #define is_part_of_name(c) \
53 ( lex_type[(unsigned char) (c)] & LEX_NAME )
54 #define is_name_ender(c) \
55 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
58 #define CHAR_MASK (0xff)
59 #define NOT_A_CHAR (CHAR_MASK+1)
60 #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
61 #endif /* is_a_char() */
63 extern char lex_type[];
64 extern char is_end_of_line[];
66 extern int is_it_end_of_statement (void);
67 extern char *find_end_of_line (char *, int);
69 extern int target_big_endian;
71 /* These are initialized by the CPU specific target files (tc-*.c). */
72 extern const char comment_chars[];
73 extern const char line_comment_chars[];
74 extern const char line_separator_chars[];
76 /* Table of -I directories. */
77 extern const char **include_dirs;
78 extern int include_dir_count;
79 extern int include_dir_maxlen;
81 /* The offset in the absolute section. */
82 extern addressT abs_section_offset;
84 /* The label on a line, used by some of the pseudo-ops. */
85 extern symbolS *line_label;
87 /* This is used to support MRI common sections. */
88 extern symbolS *mri_common_symbol;
90 /* True if a stabs line debug statement is currently being emitted. */
91 extern int outputting_stabs_line_debug;
93 /* Possible arguments to .linkonce. */
99 LINKONCE_SAME_CONTENTS
102 #ifndef TC_CASE_SENSITIVE
103 extern char original_case_string[];
106 #ifndef TC_PARSE_CONS_RETURN_TYPE
107 #define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type
108 #define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE
111 extern void pop_insert (const pseudo_typeS *);
112 extern unsigned int get_stab_string_offset
113 (const char *string, const char *stabstr_secname);
114 extern void aout_process_stab (int, const char *, int, int, int);
115 extern char *demand_copy_string (int *lenP);
116 extern char *demand_copy_C_string (int *len_pointer);
117 extern char get_absolute_expression_and_terminator (long *val_pointer);
118 extern offsetT get_absolute_expression (void);
119 extern unsigned int next_char_of_string (void);
120 extern void s_mri_sect (char *);
121 extern char *mri_comment_field (char *);
122 extern void mri_comment_end (char *, int);
123 extern void add_include_dir (char *path);
124 extern void cons (int nbytes);
125 extern void demand_empty_rest_of_line (void);
126 extern void emit_expr (expressionS *exp, unsigned int nbytes);
127 extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes,
128 TC_PARSE_CONS_RETURN_TYPE);
129 extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *,
130 TC_PARSE_CONS_RETURN_TYPE);
131 extern void equals (char *, int);
132 extern void float_cons (int);
133 extern void ignore_rest_of_line (void);
134 #define discard_rest_of_line ignore_rest_of_line
135 extern unsigned output_leb128 (char *, valueT, int);
136 extern void pseudo_set (symbolS * symbolP);
137 extern void read_a_source_file (const char *name);
138 extern void read_begin (void);
139 extern void read_print_statistics (FILE *);
140 extern char *read_symbol_name (void);
141 extern unsigned sizeof_leb128 (valueT, int);
142 extern void stabs_generate_asm_file (void);
143 extern void stabs_generate_asm_lineno (void);
144 extern void stabs_generate_asm_func (const char *, const char *);
145 extern void stabs_generate_asm_endfunc (const char *, const char *);
146 extern void do_repeat (int,const char *,const char *);
147 extern void do_repeat_with_expander (int, const char *, const char *, const char *);
148 extern void end_repeat (int);
149 extern void do_parse_cons_expression (expressionS *, int);
151 extern void generate_lineno_debug (void);
153 extern void s_abort (int) ATTRIBUTE_NORETURN;
154 extern void s_align_bytes (int arg);
155 extern void s_align_ptwo (int);
156 extern void do_align (unsigned int align, char *fill, unsigned int length,
158 extern void bss_alloc (symbolS *, addressT, unsigned);
159 extern offsetT parse_align (int);
160 extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT));
161 extern symbolS *s_lcomm_internal (int, symbolS *, addressT);
162 extern void s_app_file_string (char *, int);
163 extern void s_app_file (int);
164 extern void s_app_line (int);
165 extern void s_bundle_align_mode (int);
166 extern void s_bundle_lock (int);
167 extern void s_bundle_unlock (int);
168 extern void s_comm (int);
169 extern void s_data (int);
170 extern void s_desc (int);
171 extern void s_else (int arg);
172 extern void s_elseif (int arg);
173 extern void s_end (int arg);
174 extern void s_endif (int arg);
175 extern void s_err (int);
176 extern void s_errwarn (int);
177 extern void s_fail (int);
178 extern void s_fill (int);
179 extern void s_float_space (int mult);
180 extern void s_func (int);
181 extern void s_globl (int arg);
182 extern void s_if (int arg);
183 extern void s_ifb (int arg);
184 extern void s_ifc (int arg);
185 extern void s_ifdef (int arg);
186 extern void s_ifeqs (int arg);
187 extern void s_ignore (int arg);
188 extern void s_include (int arg);
189 extern void s_irp (int arg);
190 extern void s_lcomm (int needs_align);
191 extern void s_lcomm_bytes (int needs_align);
192 extern void s_leb128 (int sign);
193 extern void s_linkonce (int);
194 extern void s_lsym (int);
195 extern void s_macro (int);
196 extern void s_mexit (int);
197 extern void s_mri (int);
198 extern void s_mri_common (int);
199 extern void s_org (int);
200 extern void s_print (int);
201 extern void s_purgem (int);
202 extern void s_rept (int);
203 extern void s_set (int);
204 extern void s_space (int mult);
205 extern void s_stab (int what);
206 extern void s_struct (int);
207 extern void s_text (int);
208 extern void stringer (int append_zero);
209 extern void s_xstab (int what);
210 extern void s_rva (int);
211 extern void s_incbin (int);
212 extern void s_weakref (int);