1 /* Legacy support routines for building symbol tables in GDB's internal format.
2 Copyright (C) 1986-2023 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/>. */
20 #include "buildsym-legacy.h"
23 /* The work-in-progress of the compunit we are building.
24 This is created first, before any subfiles by start_compunit_symtab. */
26 static struct buildsym_compunit
*buildsym_compunit
;
29 record_debugformat (const char *format
)
31 buildsym_compunit
->record_debugformat (format
);
35 record_producer (const char *producer
)
37 buildsym_compunit
->record_producer (producer
);
45 set_last_source_file (const char *name
)
47 gdb_assert (buildsym_compunit
!= nullptr || name
== nullptr);
48 if (buildsym_compunit
!= nullptr)
49 buildsym_compunit
->set_last_source_file (name
);
55 get_last_source_file ()
57 if (buildsym_compunit
== nullptr)
59 return buildsym_compunit
->get_last_source_file ();
65 set_last_source_start_addr (CORE_ADDR addr
)
67 gdb_assert (buildsym_compunit
!= nullptr);
68 buildsym_compunit
->set_last_source_start_addr (addr
);
74 get_last_source_start_addr ()
76 gdb_assert (buildsym_compunit
!= nullptr);
77 return buildsym_compunit
->get_last_source_start_addr ();
83 outermost_context_p ()
85 gdb_assert (buildsym_compunit
!= nullptr);
86 return buildsym_compunit
->outermost_context_p ();
92 get_context_stack_depth ()
94 gdb_assert (buildsym_compunit
!= nullptr);
95 return buildsym_compunit
->get_context_stack_depth ();
101 get_current_subfile ()
103 gdb_assert (buildsym_compunit
!= nullptr);
104 return buildsym_compunit
->get_current_subfile ();
107 /* See buildsym.h. */
112 gdb_assert (buildsym_compunit
!= nullptr);
113 return buildsym_compunit
->get_local_symbols ();
116 /* See buildsym.h. */
121 gdb_assert (buildsym_compunit
!= nullptr);
122 return buildsym_compunit
->get_file_symbols ();
125 /* See buildsym.h. */
128 get_global_symbols ()
130 gdb_assert (buildsym_compunit
!= nullptr);
131 return buildsym_compunit
->get_global_symbols ();
135 start_subfile (const char *name
)
137 gdb_assert (buildsym_compunit
!= nullptr);
138 buildsym_compunit
->start_subfile (name
);
142 patch_subfile_names (struct subfile
*subfile
, const char *name
)
144 gdb_assert (buildsym_compunit
!= nullptr);
145 buildsym_compunit
->patch_subfile_names (subfile
, name
);
151 gdb_assert (buildsym_compunit
!= nullptr);
152 buildsym_compunit
->push_subfile ();
158 gdb_assert (buildsym_compunit
!= nullptr);
159 return buildsym_compunit
->pop_subfile ();
162 /* Delete the buildsym compunit. */
165 free_buildsym_compunit (void)
167 if (buildsym_compunit
== NULL
)
169 delete buildsym_compunit
;
170 buildsym_compunit
= NULL
;
173 struct compunit_symtab
*
174 end_compunit_symtab (CORE_ADDR end_addr
)
176 gdb_assert (buildsym_compunit
!= nullptr);
177 struct compunit_symtab
*result
178 = buildsym_compunit
->end_compunit_symtab (end_addr
);
179 free_buildsym_compunit ();
183 struct context_stack
*
184 push_context (int desc
, CORE_ADDR valu
)
186 gdb_assert (buildsym_compunit
!= nullptr);
187 return buildsym_compunit
->push_context (desc
, valu
);
193 gdb_assert (buildsym_compunit
!= nullptr);
194 return buildsym_compunit
->pop_context ();
198 finish_block (struct symbol
*symbol
, struct pending_block
*old_blocks
,
199 const struct dynamic_prop
*static_link
,
200 CORE_ADDR start
, CORE_ADDR end
)
202 gdb_assert (buildsym_compunit
!= nullptr);
203 return buildsym_compunit
->finish_block (symbol
, old_blocks
, static_link
,
208 record_line (struct subfile
*subfile
, int line
, unrelocated_addr pc
)
210 gdb_assert (buildsym_compunit
!= nullptr);
211 /* Assume every line entry is a statement start, that is a good place to
212 put a breakpoint for that line number. */
213 buildsym_compunit
->record_line (subfile
, line
, pc
, LEF_IS_STMT
);
216 /* Start a new compunit_symtab for a new source file in OBJFILE. Called, for
217 example, when a stabs symbol of type N_SO is seen, or when a DWARF
218 DW_TAG_compile_unit DIE is seen. It indicates the start of data for one
219 original source file.
221 NAME is the name of the file (cannot be NULL). COMP_DIR is the
222 directory in which the file was compiled (or NULL if not known).
223 START_ADDR is the lowest address of objects in the file (or 0 if
224 not known). LANGUAGE is the language of the source file, or
225 language_unknown if not known, in which case it'll be deduced from
228 struct compunit_symtab
*
229 start_compunit_symtab (struct objfile
*objfile
, const char *name
,
230 const char *comp_dir
, CORE_ADDR start_addr
,
231 enum language language
)
233 /* These should have been reset either by successful completion of building
234 a symtab, or by the scoped_free_pendings destructor. */
235 gdb_assert (buildsym_compunit
== nullptr);
237 buildsym_compunit
= new struct buildsym_compunit (objfile
, name
, comp_dir
,
238 language
, start_addr
);
240 return buildsym_compunit
->get_compunit_symtab ();
243 /* At end of reading syms, or in case of quit, ensure everything
244 associated with building symtabs is freed.
246 N.B. This is *not* intended to be used when building psymtabs. Some debug
247 info readers call this anyway, which is harmless if confusing. */
249 scoped_free_pendings::~scoped_free_pendings ()
251 free_buildsym_compunit ();
254 /* See buildsym-legacy.h. */
256 struct buildsym_compunit
*
257 get_buildsym_compunit ()
259 gdb_assert (buildsym_compunit
!= nullptr);
260 return buildsym_compunit
;