1 /* Legacy support routines for building symbol tables in GDB's internal format.
2 Copyright (C) 1986-2019 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program 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 of the License, or
9 (at your option) any later version.
11 This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
21 /* Local non-gdb includes. */
22 #include "buildsym-legacy.h"
24 /* The work-in-progress of the compunit we are building.
25 This is created first, before any subfiles by start_symtab. */
27 static struct buildsym_compunit *buildsym_compunit;
30 record_debugformat (const char *format)
32 buildsym_compunit->record_debugformat (format);
36 record_producer (const char *producer)
38 buildsym_compunit->record_producer (producer);
46 set_last_source_file (const char *name)
48 gdb_assert (buildsym_compunit != nullptr || name == nullptr);
49 if (buildsym_compunit != nullptr)
50 buildsym_compunit->set_last_source_file (name);
56 get_last_source_file ()
58 if (buildsym_compunit == nullptr)
60 return buildsym_compunit->get_last_source_file ();
66 set_last_source_start_addr (CORE_ADDR addr)
68 gdb_assert (buildsym_compunit != nullptr);
69 buildsym_compunit->set_last_source_start_addr (addr);
75 get_last_source_start_addr ()
77 gdb_assert (buildsym_compunit != nullptr);
78 return buildsym_compunit->get_last_source_start_addr ();
83 struct using_direct **
84 get_local_using_directives ()
86 gdb_assert (buildsym_compunit != nullptr);
87 return buildsym_compunit->get_local_using_directives ();
93 set_local_using_directives (struct using_direct *new_local)
95 gdb_assert (buildsym_compunit != nullptr);
96 buildsym_compunit->set_local_using_directives (new_local);
101 struct using_direct **
102 get_global_using_directives ()
104 gdb_assert (buildsym_compunit != nullptr);
105 return buildsym_compunit->get_global_using_directives ();
108 /* See buildsym.h. */
111 outermost_context_p ()
113 gdb_assert (buildsym_compunit != nullptr);
114 return buildsym_compunit->outermost_context_p ();
117 /* See buildsym.h. */
119 struct context_stack *
120 get_current_context_stack ()
122 gdb_assert (buildsym_compunit != nullptr);
123 return buildsym_compunit->get_current_context_stack ();
126 /* See buildsym.h. */
129 get_context_stack_depth ()
131 gdb_assert (buildsym_compunit != nullptr);
132 return buildsym_compunit->get_context_stack_depth ();
135 /* See buildsym.h. */
138 get_current_subfile ()
140 gdb_assert (buildsym_compunit != nullptr);
141 return buildsym_compunit->get_current_subfile ();
144 /* See buildsym.h. */
149 gdb_assert (buildsym_compunit != nullptr);
150 return buildsym_compunit->get_local_symbols ();
153 /* See buildsym.h. */
158 gdb_assert (buildsym_compunit != nullptr);
159 return buildsym_compunit->get_file_symbols ();
162 /* See buildsym.h. */
165 get_global_symbols ()
167 gdb_assert (buildsym_compunit != nullptr);
168 return buildsym_compunit->get_global_symbols ();
172 start_subfile (const char *name)
174 gdb_assert (buildsym_compunit != nullptr);
175 buildsym_compunit->start_subfile (name);
179 patch_subfile_names (struct subfile *subfile, const char *name)
181 gdb_assert (buildsym_compunit != nullptr);
182 buildsym_compunit->patch_subfile_names (subfile, name);
188 gdb_assert (buildsym_compunit != nullptr);
189 buildsym_compunit->push_subfile ();
195 gdb_assert (buildsym_compunit != nullptr);
196 return buildsym_compunit->pop_subfile ();
199 /* Delete the buildsym compunit. */
202 free_buildsym_compunit (void)
204 if (buildsym_compunit == NULL)
206 delete buildsym_compunit;
207 buildsym_compunit = NULL;
210 struct compunit_symtab *
211 end_symtab (CORE_ADDR end_addr, int section)
213 gdb_assert (buildsym_compunit != nullptr);
214 struct compunit_symtab *result
215 = buildsym_compunit->end_symtab (end_addr, section);
216 free_buildsym_compunit ();
220 struct context_stack *
221 push_context (int desc, CORE_ADDR valu)
223 gdb_assert (buildsym_compunit != nullptr);
224 return buildsym_compunit->push_context (desc, valu);
230 gdb_assert (buildsym_compunit != nullptr);
231 return buildsym_compunit->pop_context ();
235 finish_block (struct symbol *symbol, struct pending_block *old_blocks,
236 const struct dynamic_prop *static_link,
237 CORE_ADDR start, CORE_ADDR end)
239 gdb_assert (buildsym_compunit != nullptr);
240 return buildsym_compunit->finish_block (symbol, old_blocks, static_link,
245 record_block_range (struct block *block, CORE_ADDR start,
246 CORE_ADDR end_inclusive)
248 gdb_assert (buildsym_compunit != nullptr);
249 buildsym_compunit->record_block_range (block, start, end_inclusive);
253 record_line (struct subfile *subfile, int line, CORE_ADDR pc)
255 gdb_assert (buildsym_compunit != nullptr);
256 buildsym_compunit->record_line (subfile, line, pc);
259 /* Start a new symtab for a new source file in OBJFILE. Called, for example,
260 when a stabs symbol of type N_SO is seen, or when a DWARF
261 TAG_compile_unit DIE is seen. It indicates the start of data for
262 one original source file.
264 NAME is the name of the file (cannot be NULL). COMP_DIR is the
265 directory in which the file was compiled (or NULL if not known).
266 START_ADDR is the lowest address of objects in the file (or 0 if
267 not known). LANGUAGE is the language of the source file, or
268 language_unknown if not known, in which case it'll be deduced from
271 struct compunit_symtab *
272 start_symtab (struct objfile *objfile, const char *name, const char *comp_dir,
273 CORE_ADDR start_addr, enum language language)
275 /* These should have been reset either by successful completion of building
276 a symtab, or by the scoped_free_pendings destructor. */
277 gdb_assert (buildsym_compunit == nullptr);
279 buildsym_compunit = new struct buildsym_compunit (objfile, name, comp_dir,
280 language, start_addr);
282 return buildsym_compunit->get_compunit_symtab ();
285 /* Restart compilation for a symtab.
286 CUST is the result of end_expandable_symtab.
287 NAME, START_ADDR are the source file we are resuming with.
289 This is used when a symtab is built from multiple sources.
290 The symtab is first built with start_symtab/end_expandable_symtab
291 and then for each additional piece call restart_symtab/augment_*_symtab.
292 Note: At the moment there is only augment_type_symtab. */
295 restart_symtab (struct compunit_symtab *cust,
296 const char *name, CORE_ADDR start_addr)
298 /* These should have been reset either by successful completion of building
299 a symtab, or by the scoped_free_pendings destructor. */
300 gdb_assert (buildsym_compunit == nullptr);
303 = new struct buildsym_compunit (COMPUNIT_OBJFILE (cust),
305 COMPUNIT_DIRNAME (cust),
306 compunit_language (cust),
311 /* See buildsym.h. */
313 struct compunit_symtab *
314 buildsym_compunit_symtab (void)
316 gdb_assert (buildsym_compunit != NULL);
318 return buildsym_compunit->get_compunit_symtab ();
321 /* See buildsym.h. */
324 get_macro_table (void)
326 gdb_assert (buildsym_compunit != NULL);
327 return buildsym_compunit->get_macro_table ();
330 /* At end of reading syms, or in case of quit, ensure everything
331 associated with building symtabs is freed.
333 N.B. This is *not* intended to be used when building psymtabs. Some debug
334 info readers call this anyway, which is harmless if confusing. */
336 scoped_free_pendings::~scoped_free_pendings ()
338 free_buildsym_compunit ();
341 /* See buildsym-legacy.h. */
343 struct buildsym_compunit *
344 get_buildsym_compunit ()
346 gdb_assert (buildsym_compunit != nullptr);
347 return buildsym_compunit;