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));