3 Copyright (C) 1991 Free Software Foundation, Inc.
5 This file is part of GLD, the Gnu Linker.
7 GLD 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 1, or (at your option)
12 GLD 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.
17 You should have received a copy of the GNU General Public License
18 along with GLD; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 lang_input_file_is_l_enum
,
24 lang_input_file_is_symbols_only_enum
,
25 lang_input_file_is_marker_enum
,
26 lang_input_file_is_fake_enum
,
27 lang_input_file_is_search_file_enum
,
28 lang_input_file_is_file_enum
} lang_input_file_enum_type
;
30 typedef unsigned short fill_type
;
31 typedef struct statement_list
{
32 union lang_statement_union
*head
;
33 union lang_statement_union
**tail
;
34 } lang_statement_list_type
;
39 typedef struct memory_region_struct
{
41 struct memory_region_struct
*next
;
46 boolean had_full_message
;
48 } lang_memory_region_type
;
50 typedef struct lang_statement_header_struct
52 union lang_statement_union
*next
;
54 lang_output_section_statement_enum
,
55 lang_assignment_statement_enum
,
56 lang_input_statement_enum
,
57 lang_address_statement_enum
,
58 lang_wild_statement_enum
,
59 lang_input_section_enum
,
60 lang_object_symbols_statement_enum
,
61 lang_fill_statement_enum
,
62 lang_data_statement_enum
,
63 lang_target_statement_enum
,
64 lang_output_statement_enum
,
65 lang_padding_statement_enum
,
67 lang_afile_asection_pair_statement_enum
,
68 lang_constructors_statement_enum
71 } lang_statement_header_type
;
76 lang_statement_header_type header
;
77 union etree_union
*exp
;
78 } lang_assignment_statement_type
;
81 typedef struct lang_target_statement_struct
{
82 lang_statement_header_type header
;
84 } lang_target_statement_type
;
87 typedef struct lang_output_statement_struct
{
88 lang_statement_header_type header
;
90 } lang_output_statement_type
;
93 typedef struct lang_output_section_statement_struct
95 lang_statement_header_type header
;
96 union etree_union
*addr_tree
;
97 lang_statement_list_type children
;
99 union lang_statement_union
*next
;
101 unsigned long subsection_alignment
;
104 asection
*bfd_section
;
106 struct memory_region_struct
*region
;
109 } lang_output_section_statement_type
;
113 lang_statement_header_type header
;
114 } lang_common_statement_type
;
117 lang_statement_header_type header
;
118 } lang_object_symbols_statement_type
;
121 lang_statement_header_type header
;
124 asection
*output_section
;
125 } lang_fill_statement_type
;
128 lang_statement_header_type header
;
130 union etree_union
*exp
;
132 asection
*output_section
;
134 } lang_data_statement_type
;
139 typedef struct lang_input_statement_struct
141 lang_statement_header_type header
;
142 /* Name of this file. */
143 CONST
char *filename
;
144 /* Name to use for the symbol giving address of text start */
145 /* Usually the same as filename, but for a file spec'd with -l
146 this is the -l switch itself rather than the filename. */
147 CONST
char *local_sym_name
;
152 file_ptr passive_position
;
154 /* Symbol table of the file. */
156 unsigned int symbol_count
;
158 /* For library members only */
160 /* For a library, points to chain of entries for the library members. */
161 struct lang_input_statement_struct
*subfiles
;
162 /* For a library member, offset of the member within the archive.
163 Zero for files that are not library members. */
164 /* int starting_offset;*/
165 /* Size of contents of this file, if library member. */
166 bfd_size_type total_size
;
167 /* For library member, points to the library's own entry. */
168 struct lang_input_statement_struct
*superfile
;
169 /* For library member, points to next entry for next member. */
170 struct lang_input_statement_struct
*chain
;
171 /* Point to the next file - whatever it is, wanders up and down
174 union lang_statement_union
*next
;
175 /* Point to the next file, but skips archive contents */
176 union lang_statement_union
*next_real_file
;
180 /* 1 means search a set of directories for this file. */
181 boolean search_dirs_flag
;
183 /* 1 means this is base file of incremental load.
184 Do not load this file's text or data.
185 Also default text_start to after this file's bss. */
187 boolean just_syms_flag
;
192 /* unsigned int globals_in_this_file;*/
196 asection
*common_section
;
197 asection
*common_output_section
;
198 } lang_input_statement_type
;
201 lang_statement_header_type header
;
203 lang_input_statement_type
*ifile
;
205 } lang_input_section_type
;
209 lang_statement_header_type header
;
211 union lang_statement_union
*file
;
212 } lang_afile_asection_pair_statement_type
;
214 typedef struct lang_wild_statement_struct
{
215 lang_statement_header_type header
;
216 CONST
char *section_name
;
217 CONST
char *filename
;
218 lang_statement_list_type children
;
219 } lang_wild_statement_type
;
221 typedef struct lang_address_statement_struct
{
222 lang_statement_header_type header
;
223 CONST
char *section_name
;
224 union etree_union
*address
;
225 } lang_address_statement_type
;
228 lang_statement_header_type header
;
229 bfd_vma output_offset
;
231 asection
*output_section
;
233 } lang_padding_statement_type
;
235 typedef union lang_statement_union
237 lang_statement_header_type header
;
238 union lang_statement_union
*next
;
239 lang_wild_statement_type wild_statement
;
240 lang_data_statement_type data_statement
;
241 lang_address_statement_type address_statement
;
242 lang_output_section_statement_type output_section_statement
;
243 lang_afile_asection_pair_statement_type afile_asection_pair_statement
;
244 lang_assignment_statement_type assignment_statement
;
245 lang_input_statement_type input_statement
;
246 lang_target_statement_type target_statement
;
247 lang_output_statement_type output_statement
;
248 lang_input_section_type input_section
;
249 lang_common_statement_type common_statement
;
250 lang_object_symbols_statement_type object_symbols_statement
;
251 lang_fill_statement_type fill_statement
;
252 lang_padding_statement_type padding_statement
;
253 } lang_statement_union_type
;
257 PROTO(void,lang_init
,(void));
258 PROTO(struct memory_region_struct
,
259 *lang_memory_region_lookup
,(CONST
263 PROTO(void ,lang_map
,(void));
264 PROTO(void,lang_set_flags
,(int *, CONST
char *));
265 PROTO(void,lang_add_output
,(CONST
char *));
267 PROTO(void,lang_final
,(void));
268 PROTO(struct symbol_cache_entry
*,create_symbol
,(CONST
char *, unsigned int, struct sec
*));
269 PROTO(void ,lang_process
,(void));
270 PROTO(void ,lang_section_start
,(CONST
char *, union etree_union
*));
271 PROTO(void,lang_add_entry
,(CONST
char *));
272 PROTO(void,lang_add_target
,(CONST
char *));
273 PROTO(void,lang_add_wild
,(CONST
char *CONST
, CONST
char *CONST
));
274 PROTO(void,lang_add_map
,(CONST
char *));
275 PROTO(void,lang_add_fill
,(int));
276 PROTO(void,lang_add_assignment
,(union etree_union
*));
277 PROTO(void,lang_add_attribute
,(enum statement_enum
));
278 PROTO(void,lang_startup
,(CONST
char *));
279 PROTO(void,lang_float
,(enum bfd_boolean
));
280 PROTO(void,lang_leave_output_section_statement
,(bfd_vma
, CONST
char *));
281 PROTO(void,lang_abs_symbol_at_end_of
,(CONST
char *, CONST
char *));
282 PROTO(void,lang_abs_symbol_at_beginning_of
,(CONST
char *, CONST
char *));
283 PROTO(void,lang_statement_append
,(struct statement_list
*, union lang_statement_union
*, union lang_statement_union
**));
284 PROTO(void, lang_for_each_file
,(void (*dothis
)(lang_input_statement_type
*)));
287 #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
288 extern lang_statement_list_type file_chain; \
289 lang_input_statement_type *statement; \
290 for (statement = (lang_input_statement_type *)file_chain.head;\
291 statement != (lang_input_statement_type *)NULL; \
292 statement = (lang_input_statement_type *)statement->next)\
294 #define LANG_FOR_EACH_INPUT_SECTION(statement, abfd, section, x) \
295 { extern lang_statement_list_type file_chain; \
296 lang_input_statement_type *statement; \
297 for (statement = (lang_input_statement_type *)file_chain.head;\
298 statement != (lang_input_statement_type *)NULL; \
299 statement = (lang_input_statement_type *)statement->next)\
302 bfd *abfd = statement->the_bfd; \
303 for (section = abfd->sections; \
304 section != (asection *)NULL; \
305 section = section->next) { \
311 #define LANG_FOR_EACH_OUTPUT_SECTION(section, x) \
312 { extern bfd *output_bfd; \
314 for (section = output_bfd->sections; \
315 section != (asection *)NULL; \
316 section = section->next) \
321 PROTO(void, lang_process
,(void));
322 PROTO(void, ldlang_add_file
,(lang_input_statement_type
*));
324 PROTO(lang_output_section_statement_type
325 *,lang_output_section_find
,(CONST
char * CONST
));
327 PROTO(lang_input_statement_type
*,
328 lang_add_input_file
,(CONST
char *name
,
329 lang_input_file_enum_type file_type
,
330 CONST
char *target
));
331 PROTO(lang_output_section_statement_type
*,
332 lang_output_section_statement_lookup
,(CONST
char * CONST name
));
334 PROTO(void, ldlang_add_undef
,(CONST
char *CONST name
));
335 PROTO(void, lang_add_output_format
,(CONST
char *));
338 void EXFUN(lang_list_init
,( lang_statement_list_type
*));
340 void EXFUN(lang_add_data
,(int type
, union etree_union
*));
342 void EXFUN(lang_for_each_statement
,(void (*func
)()));
344 PTR
EXFUN(stat_alloc
,(size_t size
));