2 Copyright (C) 1986-2017 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)
32 #define SKIP_ALL_WHITESPACE() \
33 while (*input_line_pointer == ' ') ++input_line_pointer
35 #define SKIP_WHITESPACE() know (*input_line_pointer != ' ' )
36 #define SKIP_ALL_WHITESPACE() SKIP_WHITESPACE()
39 #define SKIP_WHITESPACE_AFTER_NAME() \
42 if (* input_line_pointer == '"') \
43 ++ input_line_pointer; \
44 if (* input_line_pointer == ' ') \
45 ++ input_line_pointer; \
49 #define LEX_NAME (1) /* may continue a name */
50 #define LEX_BEGIN_NAME (2) /* may begin a name */
51 #define LEX_END_NAME (4) /* ends a name */
53 #define is_name_beginner(c) \
54 ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
55 #define is_part_of_name(c) \
56 ( lex_type[(unsigned char) (c)] & LEX_NAME )
57 #define is_name_ender(c) \
58 ( lex_type[(unsigned char) (c)] & LEX_END_NAME )
61 #define CHAR_MASK (0xff)
62 #define NOT_A_CHAR (CHAR_MASK+1)
63 #define is_a_char(c) (((unsigned) (c)) <= CHAR_MASK)
64 #endif /* is_a_char() */
66 extern char lex_type[];
67 extern char is_end_of_line[];
69 extern int is_it_end_of_statement (void);
70 extern char *find_end_of_line (char *, int);
72 extern int target_big_endian;
74 /* These are initialized by the CPU specific target files (tc-*.c). */
75 extern const char comment_chars[];
76 extern const char line_comment_chars[];
77 extern const char line_separator_chars[];
79 /* Table of -I directories. */
80 extern const char **include_dirs;
81 extern int include_dir_count;
82 extern int include_dir_maxlen;
84 /* The offset in the absolute section. */
85 extern addressT abs_section_offset;
87 /* The label on a line, used by some of the pseudo-ops. */
88 extern symbolS *line_label;
90 /* This is used to support MRI common sections. */
91 extern symbolS *mri_common_symbol;
93 /* True if a stabs line debug statement is currently being emitted. */
94 extern int outputting_stabs_line_debug;
96 /* Possible arguments to .linkonce. */
102 LINKONCE_SAME_CONTENTS
105 #ifndef TC_CASE_SENSITIVE
106 extern char original_case_string[];
109 #ifndef TC_PARSE_CONS_RETURN_TYPE
110 #define TC_PARSE_CONS_RETURN_TYPE bfd_reloc_code_real_type
111 #define TC_PARSE_CONS_RETURN_NONE BFD_RELOC_NONE
114 extern void pop_insert (const pseudo_typeS *);
115 extern unsigned int get_stab_string_offset
116 (const char *string, const char *stabstr_secname);
117 extern void aout_process_stab (int, const char *, int, int, int);
118 extern char *demand_copy_string (int *lenP);
119 extern char *demand_copy_C_string (int *len_pointer);
120 extern char get_absolute_expression_and_terminator (long *val_pointer);
121 extern offsetT get_absolute_expression (void);
122 extern unsigned int next_char_of_string (void);
123 extern void s_mri_sect (char *);
124 extern char *mri_comment_field (char *);
125 extern void mri_comment_end (char *, int);
126 extern void add_include_dir (char *path);
127 extern void cons (int nbytes);
128 extern void demand_empty_rest_of_line (void);
129 extern void emit_expr (expressionS *exp, unsigned int nbytes);
130 extern void emit_expr_with_reloc (expressionS *exp, unsigned int nbytes,
131 TC_PARSE_CONS_RETURN_TYPE);
132 extern void emit_expr_fix (expressionS *, unsigned int, fragS *, char *,
133 TC_PARSE_CONS_RETURN_TYPE);
134 extern void equals (char *, int);
135 extern void float_cons (int);
136 extern void ignore_rest_of_line (void);
137 #define discard_rest_of_line ignore_rest_of_line
138 extern unsigned output_leb128 (char *, valueT, int);
139 extern void pseudo_set (symbolS * symbolP);
140 extern void read_a_source_file (const char *name);
141 extern void read_begin (void);
142 extern void read_print_statistics (FILE *);
143 extern char *read_symbol_name (void);
144 extern unsigned sizeof_leb128 (valueT, int);
145 extern void stabs_generate_asm_file (void);
146 extern void stabs_generate_asm_lineno (void);
147 extern void stabs_generate_asm_func (const char *, const char *);
148 extern void stabs_generate_asm_endfunc (const char *, const char *);
149 extern void do_repeat (int,const char *,const char *);
150 extern void do_repeat_with_expander (int, const char *, const char *, const char *);
151 extern void end_repeat (int);
152 extern void do_parse_cons_expression (expressionS *, int);
154 extern void generate_lineno_debug (void);
156 extern void s_abort (int) ATTRIBUTE_NORETURN;
157 extern void s_align_bytes (int arg);
158 extern void s_align_ptwo (int);
159 extern void do_align (unsigned int align, char *fill, unsigned int length,
161 extern void bss_alloc (symbolS *, addressT, unsigned);
162 extern offsetT parse_align (int);
163 extern symbolS *s_comm_internal (int, symbolS *(*) (int, symbolS *, addressT));
164 extern symbolS *s_lcomm_internal (int, symbolS *, addressT);
165 extern void s_app_file_string (char *, int);
166 extern void s_app_file (int);
167 extern void s_app_line (int);
168 extern void s_bundle_align_mode (int);
169 extern void s_bundle_lock (int);
170 extern void s_bundle_unlock (int);
171 extern void s_comm (int);
172 extern void s_data (int);
173 extern void s_desc (int);
174 extern void s_else (int arg);
175 extern void s_elseif (int arg);
176 extern void s_end (int arg);
177 extern void s_endif (int arg);
178 extern void s_err (int);
179 extern void s_errwarn (int);
180 extern void s_fail (int);
181 extern void s_fill (int);
182 extern void s_float_space (int mult);
183 extern void s_func (int);
184 extern void s_globl (int arg);
185 extern void s_if (int arg);
186 extern void s_ifb (int arg);
187 extern void s_ifc (int arg);
188 extern void s_ifdef (int arg);
189 extern void s_ifeqs (int arg);
190 extern void s_ignore (int arg);
191 extern void s_include (int arg);
192 extern void s_irp (int arg);
193 extern void s_lcomm (int needs_align);
194 extern void s_lcomm_bytes (int needs_align);
195 extern void s_leb128 (int sign);
196 extern void s_linkonce (int);
197 extern void s_lsym (int);
198 extern void s_macro (int);
199 extern void s_mexit (int);
200 extern void s_mri (int);
201 extern void s_mri_common (int);
202 extern void s_org (int);
203 extern void s_print (int);
204 extern void s_purgem (int);
205 extern void s_rept (int);
206 extern void s_set (int);
207 extern void s_space (int mult);
208 extern void s_stab (int what);
209 extern void s_struct (int);
210 extern void s_text (int);
211 extern void stringer (int append_zero);
212 extern void s_xstab (int what);
213 extern void s_rva (int);
214 extern void s_incbin (int);
215 extern void s_weakref (int);
216 extern void temp_ilp (char *);
217 extern void restore_ilp (void);