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bd5635a1 | 1 | /* Symbol table definitions for GDB. |
b0246b3b | 2 | Copyright (C) 1986, 1989, 1991, 1992 Free Software Foundation, Inc. |
bd5635a1 RP |
3 | |
4 | This file is part of GDB. | |
5 | ||
4a35d6e9 | 6 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 7 | it under the terms of the GNU General Public License as published by |
4a35d6e9 FF |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
bd5635a1 | 10 | |
4a35d6e9 | 11 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
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 | |
4a35d6e9 FF |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 RP |
19 | |
20 | #if !defined (SYMTAB_H) | |
21 | #define SYMTAB_H 1 | |
bd5635a1 RP |
22 | |
23 | /* Some definitions and declarations to go with use of obstacks. */ | |
2e4964ad FF |
24 | |
25 | #include "obstack.h" | |
bd5635a1 RP |
26 | #define obstack_chunk_alloc xmalloc |
27 | #define obstack_chunk_free free | |
bd5635a1 | 28 | |
2e4964ad FF |
29 | /* Define a structure for the information that is common to all symbol types, |
30 | including minimal symbols, partial symbols, and full symbols. */ | |
31 | ||
32 | struct general_symbol_info | |
33 | { | |
34 | /* Name of the symbol. This is a required field. Storage for the name is | |
35 | allocated on the psymbol_obstack or symbol_obstack for the associated | |
36 | objfile. */ | |
37 | ||
38 | char *name; | |
39 | ||
40 | /* Constant value, or address if static, or register number, | |
41 | or offset in arguments, or offset in stack frame. All of | |
42 | these are in host byte order (though what they point to might | |
43 | be in target byte order, e.g. LOC_CONST_BYTES). | |
44 | ||
45 | Note that the address of a function is SYMBOL_VALUE_ADDRESS (pst) | |
46 | in a partial symbol table, but BLOCK_START (SYMBOL_BLOCK_VALUE (st)) | |
47 | in a symbol table. */ | |
48 | ||
49 | union | |
50 | { | |
51 | /* for LOC_CONST, LOC_REGISTER, LOC_ARG, LOC_REF_ARG, LOC_REGPARM, | |
52 | LOC_LOCAL */ | |
53 | ||
54 | long value; | |
55 | ||
56 | /* for LOC_BLOCK */ | |
57 | ||
58 | struct block *block; | |
59 | ||
60 | /* for LOC_CONST_BYTES */ | |
61 | ||
62 | char *bytes; | |
63 | ||
64 | /* for LOC_STATIC, LOC_LABEL */ | |
65 | ||
66 | CORE_ADDR address; | |
67 | ||
68 | /* for opaque typedef struct chain */ | |
bd5635a1 | 69 | |
2e4964ad FF |
70 | struct symbol *chain; |
71 | } | |
72 | value; | |
73 | ||
74 | /* In a multilanguage environment, some language specific information may | |
75 | need to be recorded along with each symbol. */ | |
76 | ||
77 | struct language_dependent_info | |
78 | { | |
79 | ||
80 | /* Record the language that this information applies to. */ | |
81 | ||
82 | enum language language; | |
83 | ||
84 | /* Since one and only one language can apply, wrap the information inside | |
85 | a union. */ | |
bd5635a1 | 86 | |
ece2e98a | 87 | union lang_specific |
2e4964ad FF |
88 | { |
89 | /* For C++ */ | |
ece2e98a | 90 | struct cplus_specific |
2e4964ad FF |
91 | { |
92 | char *demangled_name; | |
93 | } cplus_specific; | |
ece2e98a JG |
94 | /* start-sanitize-chill */ |
95 | /* For Chill */ | |
96 | struct chill_specific | |
97 | { | |
98 | char *demangled_name; | |
99 | } chill_specific; | |
100 | /* end-sanitize-chill */ | |
2e4964ad FF |
101 | } lang_u; |
102 | } lang_specific; | |
103 | }; | |
104 | ||
105 | #define SYMBOL_NAME(symbol) (symbol)->ginfo.name | |
106 | #define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.value | |
107 | #define SYMBOL_VALUE_ADDRESS(symbol) (symbol)->ginfo.value.address | |
108 | #define SYMBOL_VALUE_BYTES(symbol) (symbol)->ginfo.value.bytes | |
109 | #define SYMBOL_BLOCK_VALUE(symbol) (symbol)->ginfo.value.block | |
110 | #define SYMBOL_VALUE_CHAIN(symbol) (symbol)->ginfo.value.chain | |
111 | #define SYMBOL_LANGUAGE(symbol) (symbol)->ginfo.lang_specific.language | |
ece2e98a JG |
112 | |
113 | #define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \ | |
2e4964ad FF |
114 | (symbol)->ginfo.lang_specific.lang_u.cplus_specific.demangled_name |
115 | ||
ece2e98a | 116 | |
2e4964ad FF |
117 | extern int demangle; /* We reference it, so go ahead and declare it. */ |
118 | ||
ece2e98a JG |
119 | /* Macro that initializes the language dependent portion of a symbol |
120 | depending upon the language for the symbol. */ | |
121 | ||
122 | #define SYMBOL_INIT_LANGUAGE_SPECIFIC(symbol,language) \ | |
123 | do { \ | |
124 | SYMBOL_LANGUAGE (symbol) = language; \ | |
125 | if (SYMBOL_LANGUAGE (symbol) == language_cplus) \ | |
126 | { \ | |
127 | SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \ | |
128 | } \ | |
129 | /* start-sanitize-chill */ \ | |
130 | else if (SYMBOL_LANGUAGE (symbol) == language_chill) \ | |
131 | { \ | |
132 | SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \ | |
133 | } \ | |
134 | /* end-sanitize-chill */ \ | |
135 | else \ | |
136 | { \ | |
137 | memset (&(symbol)->ginfo.lang_specific.lang_u, 0, \ | |
138 | sizeof ((symbol)->ginfo.lang_specific.lang_u)); \ | |
139 | } \ | |
140 | } while (0) | |
141 | ||
142 | /* Macro that attempts to initialize the demangled name for a symbol, | |
143 | based on the language of that symbol. If the language is set to | |
144 | language_auto, it will attempt to find any demangling algorithm | |
145 | that works and then set the language appropriately. If no demangling | |
146 | of any kind is found, the language is set back to language_unknown, | |
147 | so we can avoid doing this work again the next time we encounter | |
148 | the symbol. Any required space to store the name is obtained from the | |
149 | specified obstack. */ | |
150 | ||
151 | #define SYMBOL_INIT_DEMANGLED_NAME(symbol,obstack) \ | |
152 | do { \ | |
153 | char *demangled = NULL; \ | |
154 | if (SYMBOL_LANGUAGE (symbol) == language_cplus \ | |
155 | || SYMBOL_LANGUAGE (symbol) == language_auto) \ | |
156 | { \ | |
157 | demangled = \ | |
158 | cplus_demangle (SYMBOL_NAME (symbol), DMGL_PARAMS | DMGL_ANSI);\ | |
159 | if (demangled != NULL) \ | |
160 | { \ | |
161 | SYMBOL_LANGUAGE (symbol) = language_cplus; \ | |
162 | SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = \ | |
163 | obsavestring (demangled, strlen (demangled), (obstack)); \ | |
164 | free (demangled); \ | |
165 | } \ | |
166 | else \ | |
167 | { \ | |
168 | SYMBOL_CPLUS_DEMANGLED_NAME (symbol) = NULL; \ | |
169 | } \ | |
170 | } \ | |
171 | /* start-sanitize-chill */ \ | |
172 | if (demangled == NULL \ | |
173 | && (SYMBOL_LANGUAGE (symbol) == language_chill \ | |
174 | || SYMBOL_LANGUAGE (symbol) == language_auto)) \ | |
175 | { \ | |
176 | demangled = \ | |
177 | chill_demangle (SYMBOL_NAME (symbol)); \ | |
178 | if (demangled != NULL) \ | |
179 | { \ | |
180 | SYMBOL_LANGUAGE (symbol) = language_chill; \ | |
181 | SYMBOL_CHILL_DEMANGLED_NAME (symbol) = \ | |
182 | obsavestring (demangled, strlen (demangled), (obstack)); \ | |
183 | free (demangled); \ | |
184 | } \ | |
185 | else \ | |
186 | { \ | |
187 | SYMBOL_CHILL_DEMANGLED_NAME (symbol) = NULL; \ | |
188 | } \ | |
189 | } \ | |
190 | /* end-sanitize-chill */ \ | |
191 | if (SYMBOL_LANGUAGE (symbol) == language_auto) \ | |
192 | { \ | |
193 | SYMBOL_LANGUAGE (symbol) = language_unknown; \ | |
194 | } \ | |
195 | } while (0) | |
196 | ||
197 | /* Macro that returns the demangled name for a symbol based on the language | |
198 | for that symbol. If no demangled name exists, returns NULL. */ | |
199 | ||
200 | #define SYMBOL_DEMANGLED_NAME(symbol) \ | |
201 | (SYMBOL_LANGUAGE (symbol) == language_cplus \ | |
202 | ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \ | |
203 | : NULL) | |
204 | ||
205 | /* start-sanitize-chill */ | |
206 | ||
207 | #define SYMBOL_CHILL_DEMANGLED_NAME(symbol) \ | |
208 | (symbol)->ginfo.lang_specific.lang_u.chill_specific.demangled_name | |
209 | ||
210 | /* Redefine SYMBOL_DEMANGLED_NAME. This is simplier than trying to | |
211 | devise a macro for which part of it can be cleanly sanitized away. */ | |
212 | ||
213 | #undef SYMBOL_DEMANGLED_NAME | |
214 | #define SYMBOL_DEMANGLED_NAME(symbol) \ | |
215 | (SYMBOL_LANGUAGE (symbol) == language_cplus \ | |
216 | ? SYMBOL_CPLUS_DEMANGLED_NAME (symbol) \ | |
217 | : (SYMBOL_LANGUAGE (symbol) == language_chill \ | |
218 | ? SYMBOL_CHILL_DEMANGLED_NAME (symbol) \ | |
219 | : NULL)) | |
220 | ||
221 | /* end-sanitize-chill */ | |
222 | ||
2e4964ad FF |
223 | /* Macro that returns the "natural source name" of a symbol. In C++ this is |
224 | the "demangled" form of the name if demangle is on and the "mangled" form | |
225 | of the name if demangle is off. In other languages this is just the | |
ece2e98a | 226 | symbol name. The result should never be NULL. */ |
2e4964ad | 227 | |
ece2e98a JG |
228 | #define SYMBOL_SOURCE_NAME(symbol) \ |
229 | (demangle && SYMBOL_DEMANGLED_NAME (symbol) != NULL \ | |
230 | ? SYMBOL_DEMANGLED_NAME (symbol) \ | |
231 | : SYMBOL_NAME (symbol)) | |
2e4964ad FF |
232 | |
233 | /* Macro that returns the "natural assembly name" of a symbol. In C++ this is | |
234 | the "mangled" form of the name if demangle is off, or if demangle is on and | |
235 | asm_demangle is off. Otherwise if asm_demangle is on it is the "demangled" | |
ece2e98a JG |
236 | form. In other languages this is just the symbol name. The result should |
237 | never be NULL. */ | |
2e4964ad | 238 | |
ece2e98a JG |
239 | #define SYMBOL_LINKAGE_NAME(symbol) \ |
240 | (demangle && asm_demangle && SYMBOL_DEMANGLED_NAME (symbol) != NULL \ | |
241 | ? SYMBOL_DEMANGLED_NAME (symbol) \ | |
242 | : SYMBOL_NAME (symbol)) | |
2e4964ad FF |
243 | |
244 | /* Macro that tests a symbol for a match against a specified name string. | |
245 | First test the unencoded name, then looks for and test a C++ encoded | |
246 | name if it exists. Note that whitespace is ignored while attempting to | |
247 | match a C++ encoded name, so that "foo::bar(int,long)" is the same as | |
248 | "foo :: bar (int, long)". | |
249 | Evaluates to zero if the match fails, or nonzero if it succeeds. */ | |
250 | ||
ece2e98a JG |
251 | #define SYMBOL_MATCHES_NAME(symbol, name) \ |
252 | (STREQ (SYMBOL_NAME (symbol), (name)) \ | |
253 | || (SYMBOL_DEMANGLED_NAME (symbol) != NULL \ | |
254 | && strcmp_iw (SYMBOL_DEMANGLED_NAME (symbol), (name)) == 0)) | |
2e4964ad FF |
255 | |
256 | /* Macro that tests a symbol for an re-match against the last compiled regular | |
257 | expression. First test the unencoded name, then look for and test a C++ | |
258 | encoded name if it exists. | |
259 | Evaluates to zero if the match fails, or nonzero if it succeeds. */ | |
260 | ||
ece2e98a JG |
261 | #define SYMBOL_MATCHES_REGEXP(symbol) \ |
262 | (re_exec (SYMBOL_NAME (symbol)) != 0 \ | |
263 | || (SYMBOL_DEMANGLED_NAME (symbol) != NULL \ | |
264 | && re_exec (SYMBOL_DEMANGLED_NAME (symbol)) != 0)) | |
2e4964ad | 265 | |
b0246b3b | 266 | /* Define a simple structure used to hold some very basic information about |
2e4964ad FF |
267 | all defined global symbols (text, data, bss, abs, etc). The only required |
268 | information is the general_symbol_info. | |
269 | ||
270 | In many cases, even if a file was compiled with no special options for | |
271 | debugging at all, as long as was not stripped it will contain sufficient | |
272 | information to build a useful minimal symbol table using this structure. | |
273 | Even when a file contains enough debugging information to build a full | |
274 | symbol table, these minimal symbols are still useful for quickly mapping | |
275 | between names and addresses, and vice versa. They are also sometimes | |
276 | used to figure out what full symbol table entries need to be read in. */ | |
bd5635a1 | 277 | |
b0246b3b FF |
278 | struct minimal_symbol |
279 | { | |
bd5635a1 | 280 | |
2e4964ad | 281 | /* The general symbol info required for all types of symbols. */ |
bd5635a1 | 282 | |
2e4964ad | 283 | struct general_symbol_info ginfo; |
bd5635a1 | 284 | |
b0246b3b FF |
285 | /* The info field is available for caching machine-specific information that |
286 | The AMD 29000 tdep.c uses it to remember things it has decoded from the | |
287 | instructions in the function header, so it doesn't have to rederive the | |
288 | info constantly (over a serial line). It is initialized to zero and | |
289 | stays that way until target-dependent code sets it. Storage for any data | |
290 | pointed to by this field should be allocated on the symbol_obstack for | |
291 | the associated objfile. The type would be "void *" except for reasons | |
292 | of compatibility with older compilers. This field is optional. */ | |
293 | ||
294 | char *info; | |
295 | ||
296 | /* Classification types for this symbol. These should be taken as "advisory | |
297 | only", since if gdb can't easily figure out a classification it simply | |
298 | selects mst_unknown. It may also have to guess when it can't figure out | |
299 | which is a better match between two types (mst_data versus mst_bss) for | |
300 | example. Since the minimal symbol info is sometimes derived from the | |
301 | BFD library's view of a file, we need to live with what information bfd | |
302 | supplies. */ | |
303 | ||
304 | enum minimal_symbol_type | |
bd5635a1 | 305 | { |
b0246b3b FF |
306 | mst_unknown = 0, /* Unknown type, the default */ |
307 | mst_text, /* Generally executable instructions */ | |
308 | mst_data, /* Generally initialized data */ | |
309 | mst_bss, /* Generally uninitialized data */ | |
310 | mst_abs /* Generally absolute (nonrelocatable) */ | |
311 | } type; | |
d018c8a6 | 312 | |
bd5635a1 | 313 | }; |
7e258d18 | 314 | |
2e4964ad FF |
315 | #define MSYMBOL_INFO(msymbol) (msymbol)->info |
316 | #define MSYMBOL_TYPE(msymbol) (msymbol)->type | |
317 | ||
bd5635a1 RP |
318 | \f |
319 | /* All of the name-scope contours of the program | |
320 | are represented by `struct block' objects. | |
321 | All of these objects are pointed to by the blockvector. | |
322 | ||
323 | Each block represents one name scope. | |
324 | Each lexical context has its own block. | |
325 | ||
326 | The first two blocks in the blockvector are special. | |
327 | The first one contains all the symbols defined in this compilation | |
328 | whose scope is the entire program linked together. | |
329 | The second one contains all the symbols whose scope is the | |
330 | entire compilation excluding other separate compilations. | |
331 | In C, these correspond to global symbols and static symbols. | |
332 | ||
333 | Each block records a range of core addresses for the code that | |
334 | is in the scope of the block. The first two special blocks | |
335 | give, for the range of code, the entire range of code produced | |
336 | by the compilation that the symbol segment belongs to. | |
337 | ||
338 | The blocks appear in the blockvector | |
339 | in order of increasing starting-address, | |
340 | and, within that, in order of decreasing ending-address. | |
341 | ||
342 | This implies that within the body of one function | |
343 | the blocks appear in the order of a depth-first tree walk. */ | |
344 | ||
345 | struct blockvector | |
346 | { | |
347 | /* Number of blocks in the list. */ | |
348 | int nblocks; | |
349 | /* The blocks themselves. */ | |
350 | struct block *block[1]; | |
351 | }; | |
352 | ||
2e4964ad FF |
353 | #define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks |
354 | #define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n] | |
355 | ||
92a29b47 | 356 | /* Special block numbers */ |
2e4964ad FF |
357 | |
358 | #define GLOBAL_BLOCK 0 | |
359 | #define STATIC_BLOCK 1 | |
92a29b47 JG |
360 | #define FIRST_LOCAL_BLOCK 2 |
361 | ||
bd5635a1 RP |
362 | struct block |
363 | { | |
2e4964ad | 364 | |
bd5635a1 RP |
365 | /* Addresses in the executable code that are in this block. |
366 | Note: in an unrelocated symbol segment in a file, | |
367 | these are always zero. They can be filled in from the | |
368 | N_LBRAC and N_RBRAC symbols in the loader symbol table. */ | |
2e4964ad FF |
369 | |
370 | CORE_ADDR startaddr; | |
371 | CORE_ADDR endaddr; | |
372 | ||
bd5635a1 RP |
373 | /* The symbol that names this block, |
374 | if the block is the body of a function; | |
375 | otherwise, zero. | |
376 | Note: In an unrelocated symbol segment in an object file, | |
377 | this field may be zero even when the block has a name. | |
378 | That is because the block is output before the name | |
379 | (since the name resides in a higher block). | |
380 | Since the symbol does point to the block (as its value), | |
381 | it is possible to find the block and set its name properly. */ | |
2e4964ad | 382 | |
bd5635a1 | 383 | struct symbol *function; |
2e4964ad FF |
384 | |
385 | /* The `struct block' for the containing block, or 0 if none. | |
386 | Note that in an unrelocated symbol segment in an object file | |
bd5635a1 RP |
387 | this pointer may be zero when the correct value should be |
388 | the second special block (for symbols whose scope is one compilation). | |
252f6c65 | 389 | This is because the compiler outputs the special blocks at the |
bd5635a1 | 390 | very end, after the other blocks. */ |
2e4964ad | 391 | |
bd5635a1 | 392 | struct block *superblock; |
2e4964ad | 393 | |
252f6c65 | 394 | /* A flag indicating whether or not the function corresponding |
bd5635a1 RP |
395 | to this block was compiled with gcc or not. If there is no |
396 | function corresponding to this block, this meaning of this flag | |
397 | is undefined. (In practice it will be 1 if the block was created | |
398 | while processing a file compiled with gcc and 0 when not). */ | |
2e4964ad | 399 | |
bd5635a1 | 400 | unsigned char gcc_compile_flag; |
2e4964ad | 401 | |
bd5635a1 | 402 | /* Number of local symbols. */ |
2e4964ad | 403 | |
bd5635a1 | 404 | int nsyms; |
2e4964ad | 405 | |
bd5635a1 | 406 | /* The symbols. */ |
2e4964ad | 407 | |
bd5635a1 RP |
408 | struct symbol *sym[1]; |
409 | }; | |
bd5635a1 | 410 | |
2e4964ad FF |
411 | #define BLOCK_START(bl) (bl)->startaddr |
412 | #define BLOCK_END(bl) (bl)->endaddr | |
413 | #define BLOCK_NSYMS(bl) (bl)->nsyms | |
414 | #define BLOCK_SYM(bl, n) (bl)->sym[n] | |
415 | #define BLOCK_FUNCTION(bl) (bl)->function | |
416 | #define BLOCK_SUPERBLOCK(bl) (bl)->superblock | |
417 | #define BLOCK_GCC_COMPILED(bl) (bl)->gcc_compile_flag | |
bd5635a1 | 418 | |
2e4964ad | 419 | /* Nonzero if symbols of block BL should be sorted alphabetically. */ |
bd5635a1 | 420 | |
2e4964ad | 421 | #define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40) |
bd5635a1 | 422 | |
2e4964ad FF |
423 | \f |
424 | /* Represent one symbol name; a variable, constant, function or typedef. */ | |
bd5635a1 RP |
425 | |
426 | /* For a non-global symbol allocated statically, | |
427 | the correct core address cannot be determined by the compiler. | |
428 | The compiler puts an index number into the symbol's value field. | |
429 | This index number can be matched with the "desc" field of | |
430 | an entry in the loader symbol table. */ | |
431 | ||
2e4964ad FF |
432 | /* Different name spaces for symbols. Looking up a symbol specifies a |
433 | namespace and ignores symbol definitions in other name spaces. */ | |
434 | ||
bd5635a1 RP |
435 | enum namespace |
436 | { | |
2e4964ad FF |
437 | /* UNDEF_NAMESPACE is used when a namespace has not been discovered or |
438 | none of the following apply. This usually indicates an error either | |
439 | in the symbol information or in gdb's handling of symbols. */ | |
440 | ||
441 | UNDEF_NAMESPACE, | |
442 | ||
443 | /* VAR_NAMESPACE is the usual namespace. In C, this contains variables, | |
444 | function names, typedef names and enum type values. */ | |
445 | ||
446 | VAR_NAMESPACE, | |
447 | ||
448 | /* STRUCT_NAMESPACE is used in C to hold struct, union and enum type names. | |
449 | Thus, if `struct foo' is used in a C program, it produces a symbol named | |
450 | `foo' in the STRUCT_NAMESPACE. */ | |
451 | ||
452 | STRUCT_NAMESPACE, | |
453 | ||
454 | /* LABEL_NAMESPACE may be used for names of labels (for gotos); | |
455 | currently it is not used and labels are not recorded at all. */ | |
456 | ||
457 | LABEL_NAMESPACE | |
bd5635a1 RP |
458 | }; |
459 | ||
460 | /* An address-class says where to find the value of a symbol. */ | |
461 | ||
462 | enum address_class | |
463 | { | |
2e4964ad FF |
464 | /* Not used; catches errors */ |
465 | ||
466 | LOC_UNDEF, | |
467 | ||
468 | /* Value is constant int SYMBOL_VALUE, host byteorder */ | |
469 | ||
470 | LOC_CONST, | |
471 | ||
472 | /* Value is at fixed address SYMBOL_VALUE_ADDRESS */ | |
473 | ||
474 | LOC_STATIC, | |
475 | ||
476 | /* Value is in register */ | |
477 | ||
478 | LOC_REGISTER, | |
479 | ||
480 | /* Value is at spec'd offset in arglist */ | |
481 | ||
482 | LOC_ARG, | |
483 | ||
484 | /* Value address is at spec'd offset in arglist. */ | |
485 | ||
486 | LOC_REF_ARG, | |
487 | ||
488 | /* Value is at spec'd offset in register window */ | |
489 | ||
490 | LOC_REGPARM, | |
491 | ||
492 | /* Value is at spec'd offset in stack frame */ | |
493 | ||
494 | LOC_LOCAL, | |
495 | ||
496 | /* Value not used; definition in SYMBOL_TYPE. Symbols in the namespace | |
497 | STRUCT_NAMESPACE all have this class. */ | |
498 | ||
499 | LOC_TYPEDEF, | |
500 | ||
501 | /* Value is address SYMBOL_VALUE_ADDRESS in the code */ | |
502 | ||
503 | LOC_LABEL, | |
504 | ||
505 | /* Value is address SYMBOL_VALUE_BLOCK of a `struct block'. Function names | |
506 | have this class. */ | |
507 | ||
508 | LOC_BLOCK, | |
509 | ||
510 | /* Value is a constant byte-sequence pointed to by SYMBOL_VALUE_ADDRESS, in | |
511 | target byte order. */ | |
512 | ||
513 | LOC_CONST_BYTES, | |
514 | ||
515 | /* Value is arg at spec'd offset in stack frame. Differs from LOC_LOCAL in | |
516 | that symbol is an argument; differs from LOC_ARG in that we find it | |
517 | in the frame (FRAME_LOCALS_ADDRESS), not in the arglist | |
518 | (FRAME_ARGS_ADDRESS). Added for i960, which passes args in regs then | |
519 | copies to frame. */ | |
520 | ||
521 | LOC_LOCAL_ARG | |
522 | ||
bd5635a1 RP |
523 | }; |
524 | ||
525 | struct symbol | |
526 | { | |
2e4964ad FF |
527 | |
528 | /* The general symbol info required for all types of symbols. */ | |
529 | ||
530 | struct general_symbol_info ginfo; | |
531 | ||
bd5635a1 | 532 | /* Name space code. */ |
2e4964ad | 533 | |
bd5635a1 | 534 | enum namespace namespace; |
2e4964ad | 535 | |
bd5635a1 | 536 | /* Address class */ |
2e4964ad | 537 | |
bd5635a1 | 538 | enum address_class class; |
2e4964ad | 539 | |
bd5635a1 | 540 | /* Data type of value */ |
2e4964ad | 541 | |
bd5635a1 RP |
542 | struct type *type; |
543 | ||
2e4964ad FF |
544 | /* Line number of definition. FIXME: Should we really make the assumption |
545 | that nobody will try to debug files longer than 64K lines? What about | |
546 | machine generated programs? */ | |
547 | ||
bd5635a1 RP |
548 | unsigned short line; |
549 | ||
252f6c65 FF |
550 | /* Some symbols require an additional value to be recorded on a per- |
551 | symbol basis. Stash those values here. */ | |
2e4964ad | 552 | |
252f6c65 FF |
553 | union |
554 | { | |
2e4964ad FF |
555 | /* for OP_BASEREG in DWARF location specs */ |
556 | struct | |
252f6c65 FF |
557 | { |
558 | short regno_valid; /* 0 == regno invalid; !0 == regno valid */ | |
559 | short regno; /* base register number {0, 1, 2, ...} */ | |
560 | } basereg; | |
561 | } | |
562 | aux_value; | |
2e4964ad | 563 | |
bd5635a1 RP |
564 | }; |
565 | ||
2e4964ad FF |
566 | #define SYMBOL_NAMESPACE(symbol) (symbol)->namespace |
567 | #define SYMBOL_CLASS(symbol) (symbol)->class | |
568 | #define SYMBOL_TYPE(symbol) (symbol)->type | |
569 | #define SYMBOL_LINE(symbol) (symbol)->line | |
570 | #define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg.regno | |
bd5635a1 | 571 | |
2e4964ad FF |
572 | /* This currently fails because some symbols are not being initialized |
573 | to zero on allocation, and no code is currently setting this value. | |
574 | Basereg handling will probably change significantly in the next release. | |
575 | FIXME -fnf */ | |
576 | ||
577 | #if 0 | |
578 | #define SYMBOL_BASEREG_VALID(symbol) (symbol)->aux_value.basereg.regno_valid | |
579 | #else | |
580 | #define SYMBOL_BASEREG_VALID(symbol) 0 | |
581 | #endif | |
582 | ||
583 | \f | |
bd5635a1 RP |
584 | /* A partial_symbol records the name, namespace, and address class of |
585 | symbols whose types we have not parsed yet. For functions, it also | |
586 | contains their memory address, so we can find them from a PC value. | |
587 | Each partial_symbol sits in a partial_symtab, all of which are chained | |
b0246b3b | 588 | on a partial symtab list and which points to the corresponding |
bd5635a1 RP |
589 | normal symtab once the partial_symtab has been referenced. */ |
590 | ||
591 | struct partial_symbol | |
592 | { | |
2e4964ad FF |
593 | |
594 | /* The general symbol info required for all types of symbols. */ | |
595 | ||
596 | struct general_symbol_info ginfo; | |
597 | ||
bd5635a1 | 598 | /* Name space code. */ |
2e4964ad | 599 | |
bd5635a1 | 600 | enum namespace namespace; |
2e4964ad | 601 | |
bd5635a1 | 602 | /* Address class (for info_symbols) */ |
2e4964ad | 603 | |
bd5635a1 | 604 | enum address_class class; |
2e4964ad | 605 | |
bd5635a1 | 606 | }; |
2e4964ad FF |
607 | |
608 | #define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace | |
609 | #define PSYMBOL_CLASS(psymbol) (psymbol)->class | |
610 | ||
bd5635a1 | 611 | \f |
2e4964ad FF |
612 | /* Source-file information. This describes the relation between source files, |
613 | ine numbers and addresses in the program text. */ | |
bd5635a1 RP |
614 | |
615 | struct sourcevector | |
616 | { | |
617 | int length; /* Number of source files described */ | |
618 | struct source *source[1]; /* Descriptions of the files */ | |
619 | }; | |
620 | ||
621 | /* Each item represents a line-->pc (or the reverse) mapping. This is | |
622 | somewhat more wasteful of space than one might wish, but since only | |
623 | the files which are actually debugged are read in to core, we don't | |
ece2e98a | 624 | waste much space. */ |
bd5635a1 RP |
625 | |
626 | struct linetable_entry | |
627 | { | |
628 | int line; | |
629 | CORE_ADDR pc; | |
630 | }; | |
631 | ||
632 | struct linetable | |
633 | { | |
634 | int nitems; | |
635 | struct linetable_entry item[1]; | |
636 | }; | |
637 | ||
638 | /* All the information on one source file. */ | |
639 | ||
640 | struct source | |
641 | { | |
642 | char *name; /* Name of file */ | |
643 | struct linetable contents; | |
644 | }; | |
645 | ||
2670f34d JG |
646 | /* How to relocate the symbols from each section in a symbol file. |
647 | Each struct contains an array of offsets. | |
648 | The ordering and meaning of the offsets is file-type-dependent; | |
649 | typically it is indexed by section numbers or symbol types or | |
650 | something like that. | |
651 | ||
652 | To give us flexibility in changing the internal representation | |
653 | of these offsets, the ANOFFSET macro must be used to insert and | |
654 | extract offset values in the struct. */ | |
655 | ||
656 | struct section_offsets | |
657 | { | |
658 | CORE_ADDR offsets[1]; /* As many as needed. */ | |
659 | }; | |
660 | ||
661 | #define ANOFFSET(secoff, whichone) (secoff->offsets[whichone]) | |
662 | ||
bd5635a1 RP |
663 | /* Each source file is represented by a struct symtab. |
664 | These objects are chained through the `next' field. */ | |
665 | ||
666 | struct symtab | |
667 | { | |
2e4964ad | 668 | |
bd5635a1 | 669 | /* Chain of all existing symtabs. */ |
2e4964ad | 670 | |
bd5635a1 | 671 | struct symtab *next; |
2e4964ad | 672 | |
bd5635a1 | 673 | /* List of all symbol scope blocks for this symtab. */ |
2e4964ad | 674 | |
bd5635a1 | 675 | struct blockvector *blockvector; |
2e4964ad | 676 | |
4137c5fc JG |
677 | /* Table mapping core addresses to line numbers for this file. |
678 | Can be NULL if none. */ | |
2e4964ad | 679 | |
bd5635a1 | 680 | struct linetable *linetable; |
2e4964ad | 681 | |
bd5635a1 | 682 | /* Name of this source file. */ |
2e4964ad | 683 | |
bd5635a1 | 684 | char *filename; |
2e4964ad | 685 | |
bd5635a1 | 686 | /* Directory in which it was compiled, or NULL if we don't know. */ |
2e4964ad | 687 | |
bd5635a1 | 688 | char *dirname; |
2e4964ad | 689 | |
bd5635a1 RP |
690 | /* This component says how to free the data we point to: |
691 | free_contents => do a tree walk and free each object. | |
692 | free_nothing => do nothing; some other symtab will free | |
693 | the data this one uses. | |
2e4964ad FF |
694 | free_linetable => free just the linetable. */ |
695 | ||
696 | enum free_code | |
697 | { | |
698 | free_nothing, free_contents, free_linetable | |
699 | } | |
700 | free_code; | |
701 | ||
bd5635a1 RP |
702 | /* Pointer to one block of storage to be freed, if nonzero. */ |
703 | /* This is IN ADDITION to the action indicated by free_code. */ | |
2e4964ad | 704 | |
bd5635a1 | 705 | char *free_ptr; |
2e4964ad | 706 | |
bd5635a1 | 707 | /* Total number of lines found in source file. */ |
2e4964ad | 708 | |
bd5635a1 | 709 | int nlines; |
2e4964ad | 710 | |
bd5635a1 | 711 | /* Array mapping line number to character position. */ |
2e4964ad | 712 | |
bd5635a1 | 713 | int *line_charpos; |
2e4964ad | 714 | |
bd5635a1 | 715 | /* Language of this source file. */ |
2e4964ad | 716 | |
bd5635a1 | 717 | enum language language; |
2e4964ad | 718 | |
bd5635a1 | 719 | /* String of version information. May be zero. */ |
2e4964ad | 720 | |
bd5635a1 | 721 | char *version; |
2e4964ad | 722 | |
bd5635a1 | 723 | /* Full name of file as found by searching the source path. |
2e4964ad FF |
724 | NULL if not yet known. */ |
725 | ||
bd5635a1 | 726 | char *fullname; |
8aa13b87 | 727 | |
a048c8f5 | 728 | /* Object file from which this symbol information was read. */ |
2e4964ad | 729 | |
a048c8f5 | 730 | struct objfile *objfile; |
a048c8f5 | 731 | |
8aa13b87 JK |
732 | /* Anything extra for this symtab. This is for target machines |
733 | with special debugging info of some sort (which cannot just | |
734 | be represented in a normal symtab). */ | |
2e4964ad | 735 | |
8aa13b87 JK |
736 | #if defined (EXTRA_SYMTAB_INFO) |
737 | EXTRA_SYMTAB_INFO | |
738 | #endif | |
2e4964ad | 739 | |
bd5635a1 RP |
740 | }; |
741 | ||
2e4964ad FF |
742 | #define BLOCKVECTOR(symtab) (symtab)->blockvector |
743 | #define LINETABLE(symtab) (symtab)->linetable | |
744 | ||
745 | \f | |
bd5635a1 RP |
746 | /* Each source file that has not been fully read in is represented by |
747 | a partial_symtab. This contains the information on where in the | |
748 | executable the debugging symbols for a specific file are, and a | |
749 | list of names of global symbols which are located in this file. | |
b0246b3b | 750 | They are all chained on partial symtab lists. |
bd5635a1 RP |
751 | |
752 | Even after the source file has been read into a symtab, the | |
753 | partial_symtab remains around. They are allocated on an obstack, | |
754 | psymbol_obstack. FIXME, this is bad for dynamic linking or VxWorks- | |
755 | style execution of a bunch of .o's. */ | |
b0246b3b | 756 | |
bd5635a1 RP |
757 | struct partial_symtab |
758 | { | |
2e4964ad | 759 | |
bd5635a1 | 760 | /* Chain of all existing partial symtabs. */ |
2e4964ad | 761 | |
bd5635a1 | 762 | struct partial_symtab *next; |
2e4964ad | 763 | |
bd5635a1 | 764 | /* Name of the source file which this partial_symtab defines */ |
2e4964ad | 765 | |
bd5635a1 RP |
766 | char *filename; |
767 | ||
a048c8f5 | 768 | /* Information about the object file from which symbols should be read. */ |
2e4964ad | 769 | |
a048c8f5 | 770 | struct objfile *objfile; |
a048c8f5 | 771 | |
2670f34d | 772 | /* Set of relocation offsets to apply to each section. */ |
2e4964ad | 773 | |
2670f34d JG |
774 | struct section_offsets *section_offsets; |
775 | ||
bd5635a1 RP |
776 | /* Range of text addresses covered by this file; texthigh is the |
777 | beginning of the next section. */ | |
2e4964ad FF |
778 | |
779 | CORE_ADDR textlow; | |
780 | CORE_ADDR texthigh; | |
781 | ||
bd5635a1 RP |
782 | /* Array of pointers to all of the partial_symtab's which this one |
783 | depends on. Since this array can only be set to previous or | |
784 | the current (?) psymtab, this dependency tree is guaranteed not | |
785 | to have any loops. */ | |
2e4964ad | 786 | |
bd5635a1 | 787 | struct partial_symtab **dependencies; |
2e4964ad | 788 | |
bd5635a1 | 789 | int number_of_dependencies; |
2e4964ad | 790 | |
bd5635a1 RP |
791 | /* Global symbol list. This list will be sorted after readin to |
792 | improve access. Binary search will be the usual method of | |
793 | finding a symbol within it. globals_offset is an integer offset | |
4a35d6e9 | 794 | within global_psymbols[]. */ |
2e4964ad FF |
795 | |
796 | int globals_offset; | |
797 | int n_global_syms; | |
798 | ||
bd5635a1 RP |
799 | /* Static symbol list. This list will *not* be sorted after readin; |
800 | to find a symbol in it, exhaustive search must be used. This is | |
801 | reasonable because searches through this list will eventually | |
802 | lead to either the read in of a files symbols for real (assumed | |
803 | to take a *lot* of time; check) or an error (and we don't care | |
4a35d6e9 FF |
804 | how long errors take). This is an offset and size within |
805 | static_psymbols[]. */ | |
2e4964ad FF |
806 | |
807 | int statics_offset; | |
808 | int n_static_syms; | |
809 | ||
bd5635a1 RP |
810 | /* Pointer to symtab eventually allocated for this source file, 0 if |
811 | !readin or if we haven't looked for the symtab after it was readin. */ | |
2e4964ad | 812 | |
bd5635a1 | 813 | struct symtab *symtab; |
2e4964ad | 814 | |
bd5635a1 RP |
815 | /* Pointer to function which will read in the symtab corresponding to |
816 | this psymtab. */ | |
2e4964ad | 817 | |
b0246b3b | 818 | void (*read_symtab) PARAMS ((struct partial_symtab *)); |
2e4964ad | 819 | |
4a35d6e9 FF |
820 | /* Information that lets read_symtab() locate the part of the symbol table |
821 | that this psymtab corresponds to. This information is private to the | |
822 | format-dependent symbol reading routines. For further detail examine | |
823 | the various symbol reading modules. Should really be (void *) but is | |
824 | (char *) as with other such gdb variables. (FIXME) */ | |
2e4964ad | 825 | |
4a35d6e9 | 826 | char *read_symtab_private; |
2e4964ad FF |
827 | |
828 | /* Non-zero if the symtab corresponding to this psymtab has been readin */ | |
829 | ||
bd5635a1 RP |
830 | unsigned char readin; |
831 | }; | |
832 | ||
833 | /* A fast way to get from a psymtab to its symtab (after the first time). */ | |
2e4964ad FF |
834 | #define PSYMTAB_TO_SYMTAB(pst) \ |
835 | ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst)) | |
bd5635a1 | 836 | |
bd5635a1 | 837 | \f |
2e4964ad FF |
838 | /* The virtual function table is now an array of structures which have the |
839 | form { int16 offset, delta; void *pfn; }. | |
aec4cb91 | 840 | |
ea9cdf62 JK |
841 | In normal virtual function tables, OFFSET is unused. |
842 | DELTA is the amount which is added to the apparent object's base | |
843 | address in order to point to the actual object to which the | |
844 | virtual function should be applied. | |
845 | PFN is a pointer to the virtual function. */ | |
bd5635a1 RP |
846 | |
847 | #define VTBL_FNADDR_OFFSET 2 | |
ea9cdf62 | 848 | |
2e4964ad FF |
849 | /* Macro that yields non-zero value iff NAME is the prefix for C++ operator |
850 | names. If you leave out the parenthesis here you will lose! | |
ea9cdf62 JK |
851 | Currently 'o' 'p' CPLUS_MARKER is used for both the symbol in the |
852 | symbol-file and the names in gdb's symbol table. */ | |
ea9cdf62 | 853 | |
2e4964ad FF |
854 | #define OPNAME_PREFIX_P(NAME) \ |
855 | ((NAME)[0] == 'o' && (NAME)[1] == 'p' && (NAME)[2] == CPLUS_MARKER) | |
856 | ||
857 | #define VTBL_PREFIX_P(NAME) \ | |
858 | ((NAME)[3] == CPLUS_MARKER && !strncmp ((NAME), "_vt", 3)) | |
859 | ||
bd5635a1 | 860 | \f |
2e4964ad FF |
861 | /* External variables and functions for the objects described above. */ |
862 | ||
863 | /* This symtab variable specifies the current file for printing source lines */ | |
864 | ||
865 | extern struct symtab *current_source_symtab; | |
866 | ||
867 | /* This is the next line to print for listing source lines. */ | |
868 | ||
869 | extern int current_source_line; | |
870 | ||
871 | /* See the comment in symfile.c about how current_objfile is used. */ | |
872 | ||
873 | extern struct objfile *current_objfile; | |
bd5635a1 | 874 | |
b0246b3b FF |
875 | extern struct symtab * |
876 | lookup_symtab PARAMS ((char *)); | |
877 | ||
878 | extern struct symbol * | |
879 | lookup_symbol PARAMS ((const char *, const struct block *, | |
880 | const enum namespace, int *, struct symtab **)); | |
881 | ||
882 | extern struct symbol * | |
883 | lookup_block_symbol PARAMS ((const struct block *, const char *, | |
884 | const enum namespace)); | |
885 | ||
886 | extern struct type * | |
887 | lookup_struct PARAMS ((char *, struct block *)); | |
888 | ||
889 | extern struct type * | |
890 | lookup_union PARAMS ((char *, struct block *)); | |
891 | ||
892 | extern struct type * | |
893 | lookup_enum PARAMS ((char *, struct block *)); | |
894 | ||
895 | extern struct symbol * | |
896 | block_function PARAMS ((struct block *)); | |
897 | ||
898 | extern struct symbol * | |
899 | find_pc_function PARAMS ((CORE_ADDR)); | |
900 | ||
901 | extern int | |
902 | find_pc_partial_function PARAMS ((CORE_ADDR, char **, CORE_ADDR *)); | |
903 | ||
904 | extern void | |
905 | clear_pc_function_cache PARAMS ((void)); | |
906 | ||
907 | extern struct partial_symtab * | |
908 | lookup_partial_symtab PARAMS ((char *)); | |
909 | ||
910 | extern struct partial_symtab * | |
911 | find_pc_psymtab PARAMS ((CORE_ADDR)); | |
912 | ||
913 | extern struct symtab * | |
914 | find_pc_symtab PARAMS ((CORE_ADDR)); | |
915 | ||
916 | extern struct partial_symbol * | |
917 | find_pc_psymbol PARAMS ((struct partial_symtab *, CORE_ADDR)); | |
918 | ||
919 | extern int | |
920 | find_pc_line_pc_range PARAMS ((CORE_ADDR, CORE_ADDR *, CORE_ADDR *)); | |
921 | ||
922 | extern int | |
923 | contained_in PARAMS ((struct block *, struct block *)); | |
924 | ||
925 | extern void | |
926 | reread_symbols PARAMS ((void)); | |
927 | ||
b0246b3b FF |
928 | /* Functions for dealing with the minimal symbol table, really a misc |
929 | address<->symbol mapping for things we don't have debug symbols for. */ | |
930 | ||
b0246b3b FF |
931 | extern void |
932 | prim_record_minimal_symbol PARAMS ((const char *, CORE_ADDR, | |
933 | enum minimal_symbol_type)); | |
934 | ||
51b57ded FF |
935 | extern void |
936 | prim_record_minimal_symbol_and_info PARAMS ((const char *, CORE_ADDR, | |
937 | enum minimal_symbol_type, | |
938 | char *info)); | |
939 | ||
b0246b3b FF |
940 | extern struct minimal_symbol * |
941 | lookup_minimal_symbol PARAMS ((const char *, struct objfile *)); | |
942 | ||
943 | extern struct minimal_symbol * | |
944 | lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR)); | |
945 | ||
b0246b3b FF |
946 | extern void |
947 | init_minimal_symbol_collection PARAMS ((void)); | |
948 | ||
949 | extern void | |
950 | discard_minimal_symbols PARAMS ((int)); | |
951 | ||
952 | extern void | |
953 | install_minimal_symbols PARAMS ((struct objfile *)); | |
bd5635a1 RP |
954 | |
955 | struct symtab_and_line | |
956 | { | |
957 | struct symtab *symtab; | |
958 | int line; | |
959 | CORE_ADDR pc; | |
960 | CORE_ADDR end; | |
961 | }; | |
962 | ||
963 | struct symtabs_and_lines | |
964 | { | |
965 | struct symtab_and_line *sals; | |
966 | int nelts; | |
967 | }; | |
968 | ||
2e4964ad FF |
969 | /* Given a pc value, return line number it is in. Second arg nonzero means |
970 | if pc is on the boundary use the previous statement's line number. */ | |
bd5635a1 | 971 | |
b0246b3b FF |
972 | extern struct symtab_and_line |
973 | find_pc_line PARAMS ((CORE_ADDR, int)); | |
bd5635a1 RP |
974 | |
975 | /* Given a symtab and line number, return the pc there. */ | |
b0246b3b FF |
976 | |
977 | extern CORE_ADDR | |
978 | find_line_pc PARAMS ((struct symtab *, int)); | |
979 | ||
980 | extern int | |
981 | find_line_pc_range PARAMS ((struct symtab *, int, CORE_ADDR *, CORE_ADDR *)); | |
982 | ||
983 | extern void | |
984 | resolve_sal_pc PARAMS ((struct symtab_and_line *)); | |
bd5635a1 | 985 | |
2e4964ad FF |
986 | /* Given a string, return the line specified by it. For commands like "list" |
987 | and "breakpoint". */ | |
bd5635a1 | 988 | |
b0246b3b FF |
989 | extern struct symtabs_and_lines |
990 | decode_line_spec PARAMS ((char *, int)); | |
991 | ||
992 | extern struct symtabs_and_lines | |
993 | decode_line_spec_1 PARAMS ((char *, int)); | |
994 | ||
995 | extern struct symtabs_and_lines | |
996 | decode_line_1 PARAMS ((char **, int, struct symtab *, int)); | |
bd5635a1 | 997 | |
5c43db6b | 998 | /* Symmisc.c */ |
b0246b3b | 999 | |
35fcebce PB |
1000 | #if MAINTENANCE_CMDS |
1001 | ||
1002 | void | |
1003 | maintenance_print_symbols PARAMS ((char *, int)); | |
1004 | ||
1005 | void | |
1006 | maintenance_print_psymbols PARAMS ((char *, int)); | |
1007 | ||
1008 | void | |
1009 | maintenance_print_msymbols PARAMS ((char *, int)); | |
1010 | ||
1011 | void | |
1012 | maintenance_print_objfiles PARAMS ((char *, int)); | |
1013 | ||
1014 | #endif | |
1015 | ||
b0246b3b FF |
1016 | extern void |
1017 | free_symtab PARAMS ((struct symtab *)); | |
5c43db6b | 1018 | |
bd5635a1 | 1019 | /* Symbol-reading stuff in symfile.c and solib.c. */ |
b0246b3b FF |
1020 | |
1021 | extern struct symtab * | |
1022 | psymtab_to_symtab PARAMS ((struct partial_symtab *)); | |
1023 | ||
1024 | extern void | |
1025 | clear_solib PARAMS ((void)); | |
1026 | ||
1027 | extern struct objfile * | |
1028 | symbol_file_add PARAMS ((char *, int, CORE_ADDR, int, int, int)); | |
bd5635a1 RP |
1029 | |
1030 | /* source.c */ | |
bd5635a1 | 1031 | |
b0246b3b FF |
1032 | extern int |
1033 | identify_source_line PARAMS ((struct symtab *, int, int)); | |
1034 | ||
1035 | extern void | |
1036 | print_source_lines PARAMS ((struct symtab *, int, int, int)); | |
1037 | ||
1038 | extern void | |
1039 | forget_cached_source_info PARAMS ((void)); | |
1040 | ||
1041 | extern void | |
1042 | select_source_symtab PARAMS ((struct symtab *)); | |
1043 | ||
1044 | extern char ** | |
1045 | make_symbol_completion_list PARAMS ((char *)); | |
1046 | ||
1047 | /* symtab.c */ | |
1048 | ||
51b57ded FF |
1049 | extern void |
1050 | clear_symtab_users_once PARAMS ((void)); | |
1051 | ||
b0246b3b FF |
1052 | extern struct partial_symtab * |
1053 | find_main_psymtab PARAMS ((void)); | |
1054 | ||
1055 | /* blockframe.c */ | |
1056 | ||
1057 | extern struct blockvector * | |
1058 | blockvector_for_pc PARAMS ((CORE_ADDR, int *)); | |
bd5635a1 | 1059 | |
b0246b3b | 1060 | /* symfile.c */ |
4a35d6e9 | 1061 | |
b0246b3b FF |
1062 | extern enum language |
1063 | deduce_language_from_filename PARAMS ((char *)); | |
4a35d6e9 | 1064 | |
b0246b3b | 1065 | #endif /* !defined(SYMTAB_H) */ |