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;
40 boolean flag_executable;
41 boolean flag_loadable;
42 } lang_section_flags_type;
44 typedef struct memory_region_struct {
46 struct memory_region_struct *next;
50 lang_section_flags_type flags;
51 } lang_memory_region_type ;
53 typedef struct lang_statement_header_struct
55 union lang_statement_union *next;
57 lang_output_section_statement_enum,
58 lang_assignment_statement_enum,
59 lang_input_statement_enum,
60 lang_address_statement_enum,
61 lang_wild_statement_enum,
62 lang_input_section_enum,
63 lang_object_symbols_statement_enum,
64 lang_fill_statement_enum,
65 lang_data_statement_enum,
66 lang_target_statement_enum,
67 lang_output_statement_enum,
68 lang_padding_statement_enum,
70 lang_afile_asection_pair_statement_enum
73 } lang_statement_header_type;
78 lang_statement_header_type header;
79 union etree_union *exp;
80 } lang_assignment_statement_type;
83 typedef struct lang_target_statement_struct {
84 lang_statement_header_type header;
86 } lang_target_statement_type;
89 typedef struct lang_output_statement_struct {
90 lang_statement_header_type header;
92 } lang_output_statement_type;
95 typedef struct lang_output_section_statement_struct
97 lang_statement_header_type header;
98 union etree_union *addr_tree;
99 lang_statement_list_type children;
101 union lang_statement_union *next;
103 unsigned long subsection_alignment;
106 asection *bfd_section;
107 lang_section_flags_type flags;
108 struct memory_region_struct *region;
111 } lang_output_section_statement_type;
115 lang_statement_header_type header;
116 } lang_common_statement_type;
119 lang_statement_header_type header;
120 } lang_object_symbols_statement_type;
123 lang_statement_header_type header;
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;
149 /* Describe the layout of the contents of the file */
151 /* The file's a.out header. */
152 /* struct exec header;*/
153 /* Offset in file of GDB symbol segment, or 0 if there is none. */
156 /* Describe data from the file loaded into core */
161 file_ptr passive_position;
163 /* Symbol table of the file. */
165 unsigned int symbol_count;
167 /* For library members only */
169 /* For a library, points to chain of entries for the library members. */
170 struct lang_input_statement_struct *subfiles;
171 /* For a library member, offset of the member within the archive.
172 Zero for files that are not library members. */
173 /* int starting_offset;*/
174 /* Size of contents of this file, if library member. */
176 /* For library member, points to the library's own entry. */
177 struct lang_input_statement_struct *superfile;
178 /* For library member, points to next entry for next member. */
179 struct lang_input_statement_struct *chain;
180 /* Point to the next file - whatever it is, wanders up and down
183 union lang_statement_union *next;
184 /* Point to the next file, but skips archive contents */
185 union lang_statement_union *next_real_file;
189 /* 1 means search a set of directories for this file. */
190 boolean search_dirs_flag;
192 /* 1 means this is base file of incremental load.
193 Do not load this file's text or data.
194 Also default text_start to after this file's bss. */
196 boolean just_syms_flag;
201 /* unsigned int globals_in_this_file;*/
205 asection *common_section;
206 asection *common_output_section;
207 } lang_input_statement_type;
210 lang_statement_header_type header;
212 lang_input_statement_type *ifile;
214 } lang_input_section_type;
218 lang_statement_header_type header;
220 union lang_statement_union *file;
221 } lang_afile_asection_pair_statement_type;
223 typedef struct lang_wild_statement_struct {
224 lang_statement_header_type header;
225 CONST char *section_name;
226 CONST char *filename;
227 lang_statement_list_type children;
228 } lang_wild_statement_type;
230 typedef struct lang_address_statement_struct {
231 lang_statement_header_type header;
232 CONST char *section_name;
233 union etree_union *address;
234 } lang_address_statement_type;
237 lang_statement_header_type header;
238 bfd_vma output_offset;
240 asection *output_section;
242 } lang_padding_statement_type;
244 typedef union lang_statement_union
246 lang_statement_header_type header;
247 union lang_statement_union *next;
248 lang_wild_statement_type wild_statement;
249 lang_data_statement_type data_statement;
250 lang_address_statement_type address_statement;
251 lang_output_section_statement_type output_section_statement;
252 lang_afile_asection_pair_statement_type afile_asection_pair_statement;
253 lang_assignment_statement_type assignment_statement;
254 lang_input_statement_type input_statement;
255 lang_target_statement_type target_statement;
256 lang_output_statement_type output_statement;
257 lang_input_section_type input_section;
258 lang_common_statement_type common_statement;
259 lang_object_symbols_statement_type object_symbols_statement;
260 lang_fill_statement_type fill_statement;
261 lang_padding_statement_type padding_statement;
262 } lang_statement_union_type;
266 PROTO(void,lang_init,(void));
267 PROTO(struct memory_region_struct ,
268 *lang_memory_region_lookup,(CONST
272 PROTO(void ,lang_map,(FILE *));
273 PROTO(void,lang_set_flags,(lang_section_flags_type *, CONST char *));
274 PROTO(void,lang_add_output,(CONST char *));
276 PROTO(void,lang_final,(void));
277 PROTO(struct symbol_cache_entry *,create_symbol,(CONST char *, unsigned int, struct sec_struct *));
278 PROTO(void ,lang_process,(void));
279 PROTO(void ,lang_section_start,(CONST char *, union etree_union *));
280 PROTO(void,lang_add_entry,(CONST char *));
281 PROTO(void,lang_add_target,(CONST char *));
282 PROTO(void,lang_add_wild,(CONST char *CONST , CONST char *CONST));
283 PROTO(void,lang_add_map,(CONST char *));
284 PROTO(void,lang_add_fill,(int));
285 PROTO(void,lang_add_assignment,(union etree_union *));
286 PROTO(void,lang_add_attribute,(enum statement_enum));
287 PROTO(void,lang_startup,(CONST char *));
288 PROTO(void,lang_float,(enum boolean));
289 PROTO(void,lang_leave_output_section_statement,(bfd_vma, CONST char *));
290 PROTO(void,lang_abs_symbol_at_end_of,(CONST char *, CONST char *));
291 PROTO(void,lang_abs_symbol_at_beginning_of,(CONST char *, CONST char *));
292 PROTO(void,lang_statement_append,(struct statement_list *, union lang_statement_union *, union lang_statement_union **));
293 PROTO(void, lang_for_each_file,(void (*dothis)(lang_input_statement_type *)));
296 #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
297 extern lang_statement_list_type file_chain; \
298 lang_input_statement_type *statement; \
299 for (statement = (lang_input_statement_type *)file_chain.head;\
300 statement != (lang_input_statement_type *)NULL; \
301 statement = (lang_input_statement_type *)statement->next)\
303 #define LANG_FOR_EACH_INPUT_SECTION(statement, abfd, section, x) \
304 { extern lang_statement_list_type file_chain; \
305 lang_input_statement_type *statement; \
306 for (statement = (lang_input_statement_type *)file_chain.head;\
307 statement != (lang_input_statement_type *)NULL; \
308 statement = (lang_input_statement_type *)statement->next)\
311 bfd *abfd = statement->the_bfd; \
312 for (section = abfd->sections; \
313 section != (asection *)NULL; \
314 section = section->next) { \
320 #define LANG_FOR_EACH_OUTPUT_SECTION(section, x) \
321 { extern bfd *output_bfd; \
323 for (section = output_bfd->sections; \
324 section != (asection *)NULL; \
325 section = section->next) \
330 PROTO(void, lang_process,(void));
331 PROTO(void, ldlang_add_file,(lang_input_statement_type *));
333 PROTO(lang_output_section_statement_type
334 *,lang_output_section_find,(CONST char * CONST));
336 PROTO(lang_input_statement_type *,
337 lang_add_input_file,(char *name,
338 lang_input_file_enum_type file_type,
340 PROTO(lang_output_section_statement_type *,
341 lang_output_section_statement_lookup,(CONST char * CONST name));
343 PROTO(void, ldlang_add_undef,(CONST char *CONST name));