Commit | Line | Data |
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c906108c | 1 | /* Build symbol tables in GDB's internal format. |
e2882c85 | 2 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b JM |
4 | This file is part of GDB. |
5 | ||
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 | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b JM |
9 | (at your option) any later version. |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
18 | |
19 | #if !defined (BUILDSYM_H) | |
20 | #define BUILDSYM_H 1 | |
21 | ||
da3331ec AC |
22 | struct objfile; |
23 | struct symbol; | |
801e3a5b | 24 | struct addrmap; |
43f3e411 | 25 | struct compunit_symtab; |
5ffa0793 | 26 | enum language; |
da3331ec | 27 | |
c906108c SS |
28 | /* This module provides definitions used for creating and adding to |
29 | the symbol table. These routines are called from various symbol- | |
30 | file-reading routines. | |
31 | ||
32 | They originated in dbxread.c of gdb-4.2, and were split out to | |
33 | make xcoffread.c more maintainable by sharing code. | |
34 | ||
35 | Variables declared in this file can be defined by #define-ing the | |
36 | name EXTERN to null. It is used to declare variables that are | |
37 | normally extern, but which get defined in a single module using | |
38 | this technique. */ | |
39 | ||
fe898f56 | 40 | struct block; |
93eed41f | 41 | struct pending_block; |
fe898f56 | 42 | |
63e43d3a PMR |
43 | struct dynamic_prop; |
44 | ||
c906108c SS |
45 | #ifndef EXTERN |
46 | #define EXTERN extern | |
47 | #endif | |
48 | ||
c906108c SS |
49 | /* The list of sub-source-files within the current individual |
50 | compilation. Each file gets its own symtab with its own linetable | |
51 | and associated info, but they all share one blockvector. */ | |
52 | ||
53 | struct subfile | |
43f3e411 DE |
54 | { |
55 | struct subfile *next; | |
56 | /* Space for this is malloc'd. */ | |
57 | char *name; | |
58 | /* Space for this is malloc'd. */ | |
59 | struct linetable *line_vector; | |
60 | int line_vector_length; | |
61 | /* The "containing" compunit. */ | |
62 | struct buildsym_compunit *buildsym_compunit; | |
63 | enum language language; | |
64 | struct symtab *symtab; | |
65 | }; | |
c906108c | 66 | |
c906108c SS |
67 | EXTERN struct subfile *current_subfile; |
68 | ||
c906108c SS |
69 | /* Record the symbols defined for each context in a list. We don't |
70 | create a struct block for the context until we know how long to | |
71 | make it. */ | |
72 | ||
73 | #define PENDINGSIZE 100 | |
74 | ||
75 | struct pending | |
76 | { | |
77 | struct pending *next; | |
78 | int nsyms; | |
79 | struct symbol *symbol[PENDINGSIZE]; | |
80 | }; | |
81 | ||
82 | /* Here are the three lists that symbols are put on. */ | |
83 | ||
84 | /* static at top level, and types */ | |
85 | ||
86 | EXTERN struct pending *file_symbols; | |
87 | ||
88 | /* global functions and variables */ | |
89 | ||
90 | EXTERN struct pending *global_symbols; | |
91 | ||
92 | /* everything local to lexical context */ | |
93 | ||
94 | EXTERN struct pending *local_symbols; | |
95 | ||
27aa8d6a SW |
96 | /* "using" directives local to lexical context. */ |
97 | ||
22cee43f PMR |
98 | EXTERN struct using_direct *local_using_directives; |
99 | ||
100 | /* global "using" directives. */ | |
101 | ||
102 | EXTERN struct using_direct *global_using_directives; | |
27aa8d6a | 103 | |
c906108c SS |
104 | /* Stack representing unclosed lexical contexts (that will become |
105 | blocks, eventually). */ | |
106 | ||
107 | struct context_stack | |
108 | { | |
109 | /* Outer locals at the time we entered */ | |
110 | ||
111 | struct pending *locals; | |
112 | ||
27aa8d6a SW |
113 | /* Pending using directives at the time we entered. */ |
114 | ||
22cee43f | 115 | struct using_direct *local_using_directives; |
27aa8d6a | 116 | |
c906108c SS |
117 | /* Pointer into blocklist as of entry */ |
118 | ||
119 | struct pending_block *old_blocks; | |
120 | ||
121 | /* Name of function, if any, defining context */ | |
122 | ||
123 | struct symbol *name; | |
124 | ||
63e43d3a PMR |
125 | /* Expression that computes the frame base of the lexically enclosing |
126 | function, if any. NULL otherwise. */ | |
127 | ||
128 | struct dynamic_prop *static_link; | |
129 | ||
c906108c SS |
130 | /* PC where this context starts */ |
131 | ||
132 | CORE_ADDR start_addr; | |
133 | ||
0e2de366 | 134 | /* Temp slot for exception handling. */ |
c906108c SS |
135 | |
136 | CORE_ADDR end_addr; | |
137 | ||
138 | /* For error-checking matching push/pop */ | |
139 | ||
140 | int depth; | |
141 | ||
142 | }; | |
143 | ||
144 | EXTERN struct context_stack *context_stack; | |
145 | ||
146 | /* Index of first unused entry in context stack. */ | |
147 | ||
148 | EXTERN int context_stack_depth; | |
149 | ||
921e78cf JB |
150 | /* Non-zero if the context stack is empty. */ |
151 | #define outermost_context_p() (context_stack_depth == 0) | |
152 | ||
252a6764 DE |
153 | /* The type of the record_line function. */ |
154 | typedef void (record_line_ftype) (struct subfile *subfile, int line, | |
155 | CORE_ADDR pc); | |
156 | ||
c906108c SS |
157 | \f |
158 | ||
c906108c SS |
159 | extern void add_symbol_to_list (struct symbol *symbol, |
160 | struct pending **listhead); | |
161 | ||
162 | extern struct symbol *find_symbol_in_list (struct pending *list, | |
163 | char *name, int length); | |
164 | ||
801e3a5b | 165 | extern struct block *finish_block (struct symbol *symbol, |
63e43d3a PMR |
166 | struct pending **listhead, |
167 | struct pending_block *old_blocks, | |
168 | const struct dynamic_prop *static_link, | |
169 | CORE_ADDR start, | |
170 | CORE_ADDR end); | |
801e3a5b JB |
171 | |
172 | extern void record_block_range (struct block *, | |
173 | CORE_ADDR start, CORE_ADDR end_inclusive); | |
c906108c | 174 | |
33c7c59d TT |
175 | class scoped_free_pendings |
176 | { | |
177 | public: | |
178 | ||
179 | scoped_free_pendings () = default; | |
180 | ~scoped_free_pendings (); | |
181 | ||
182 | DISABLE_COPY_AND_ASSIGN (scoped_free_pendings); | |
183 | }; | |
c906108c | 184 | |
4d663531 | 185 | extern void start_subfile (const char *name); |
c906108c | 186 | |
a121b7c1 | 187 | extern void patch_subfile_names (struct subfile *subfile, const char *name); |
c906108c | 188 | |
8419ee53 | 189 | extern void push_subfile (); |
c906108c | 190 | |
8419ee53 | 191 | extern const char *pop_subfile (); |
c906108c | 192 | |
4359dff1 | 193 | extern struct block *end_symtab_get_static_block (CORE_ADDR end_addr, |
36586728 TT |
194 | int expandable, |
195 | int required); | |
4359dff1 | 196 | |
43f3e411 DE |
197 | extern struct compunit_symtab * |
198 | end_symtab_from_static_block (struct block *static_block, | |
199 | int section, int expandable); | |
4359dff1 | 200 | |
43f3e411 | 201 | extern struct compunit_symtab *end_symtab (CORE_ADDR end_addr, int section); |
c906108c | 202 | |
43f3e411 DE |
203 | extern struct compunit_symtab *end_expandable_symtab (CORE_ADDR end_addr, |
204 | int section); | |
6d30eef8 | 205 | |
0ab9ce85 | 206 | extern void augment_type_symtab (void); |
6d30eef8 | 207 | |
2c722d18 | 208 | extern void buildsym_init (); |
c906108c SS |
209 | |
210 | extern struct context_stack *push_context (int desc, CORE_ADDR valu); | |
211 | ||
0c5e171a KD |
212 | extern struct context_stack *pop_context (void); |
213 | ||
252a6764 | 214 | extern record_line_ftype record_line; |
c906108c | 215 | |
43f3e411 DE |
216 | extern struct compunit_symtab *start_symtab (struct objfile *objfile, |
217 | const char *name, | |
218 | const char *comp_dir, | |
5ffa0793 PA |
219 | CORE_ADDR start_addr, |
220 | enum language language); | |
c906108c | 221 | |
0ab9ce85 DE |
222 | extern void restart_symtab (struct compunit_symtab *cust, |
223 | const char *name, CORE_ADDR start_addr); | |
6d30eef8 | 224 | |
c906108c SS |
225 | extern void free_pending_blocks (void); |
226 | ||
554d387d TT |
227 | /* Record the name of the debug format in the current pending symbol |
228 | table. FORMAT must be a string with a lifetime at least as long as | |
229 | the symtab's objfile. */ | |
230 | ||
231 | extern void record_debugformat (const char *format); | |
232 | ||
233 | /* Record the name of the debuginfo producer (usually the compiler) in | |
234 | the current pending symbol table. PRODUCER must be a string with a | |
235 | lifetime at least as long as the symtab's objfile. */ | |
c906108c | 236 | |
303b6f5d DJ |
237 | extern void record_producer (const char *producer); |
238 | ||
46212e0b TT |
239 | /* Set the name of the last source file. NAME is copied by this |
240 | function. */ | |
241 | ||
242 | extern void set_last_source_file (const char *name); | |
243 | ||
244 | /* Fetch the name of the last source file. */ | |
245 | ||
246 | extern const char *get_last_source_file (void); | |
247 | ||
43f3e411 DE |
248 | /* Return the compunit symtab object. |
249 | It is only valid to call this between calls to start_symtab and the | |
250 | end_symtab* functions. */ | |
251 | ||
252 | extern struct compunit_symtab *buildsym_compunit_symtab (void); | |
253 | ||
254 | /* Return the macro table. | |
255 | Initialize it if this is the first use. | |
256 | It is only valid to call this between calls to start_symtab and the | |
257 | end_symtab* functions. */ | |
fc474241 | 258 | |
43f3e411 | 259 | extern struct macro_table *get_macro_table (void); |
99d9066e | 260 | |
2c99ee5c TT |
261 | /* Set the last source start address. Can only be used between |
262 | start_symtab and end_symtab* calls. */ | |
263 | ||
264 | extern void set_last_source_start_addr (CORE_ADDR addr); | |
265 | ||
266 | /* Get the last source start address. Can only be used between | |
267 | start_symtab and end_symtab* calls. */ | |
268 | ||
269 | extern CORE_ADDR get_last_source_start_addr (); | |
270 | ||
c906108c SS |
271 | #undef EXTERN |
272 | ||
273 | #endif /* defined (BUILDSYM_H) */ |