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14bfc3f5 ILT |
1 | // symtab.cc -- the gold symbol table |
2 | ||
3 | #include "gold.h" | |
4 | ||
5 | #include <cassert> | |
6 | #include <stdint.h> | |
7 | #include <string> | |
8 | #include <utility> | |
9 | ||
10 | #include "object.h" | |
75f65a3e | 11 | #include "output.h" |
61ba1cf9 | 12 | #include "target.h" |
14bfc3f5 ILT |
13 | #include "symtab.h" |
14 | ||
15 | namespace gold | |
16 | { | |
17 | ||
18 | // Class Symbol. | |
19 | ||
ead1e424 ILT |
20 | // Initialize fields in Symbol. This initializes everything except u_ |
21 | // and source_. | |
14bfc3f5 | 22 | |
14bfc3f5 | 23 | void |
ead1e424 ILT |
24 | Symbol::init_fields(const char* name, const char* version, |
25 | elfcpp::STT type, elfcpp::STB binding, | |
26 | elfcpp::STV visibility, unsigned char nonvis) | |
14bfc3f5 ILT |
27 | { |
28 | this->name_ = name; | |
29 | this->version_ = version; | |
ead1e424 ILT |
30 | this->got_offset_ = 0; |
31 | this->type_ = type; | |
32 | this->binding_ = binding; | |
33 | this->visibility_ = visibility; | |
34 | this->nonvis_ = nonvis; | |
35 | this->is_target_special_ = false; | |
1564db8d ILT |
36 | this->is_def_ = false; |
37 | this->is_forwarder_ = false; | |
ead1e424 ILT |
38 | this->in_dyn_ = false; |
39 | this->has_got_offset_ = false; | |
f6ce93d6 | 40 | this->has_warning_ = false; |
ead1e424 ILT |
41 | } |
42 | ||
43 | // Initialize the fields in the base class Symbol for SYM in OBJECT. | |
44 | ||
45 | template<int size, bool big_endian> | |
46 | void | |
47 | Symbol::init_base(const char* name, const char* version, Object* object, | |
48 | const elfcpp::Sym<size, big_endian>& sym) | |
49 | { | |
50 | this->init_fields(name, version, sym.get_st_type(), sym.get_st_bind(), | |
51 | sym.get_st_visibility(), sym.get_st_nonvis()); | |
52 | this->u_.from_object.object = object; | |
53 | // FIXME: Handle SHN_XINDEX. | |
54 | this->u_.from_object.shnum = sym.get_st_shndx(); | |
55 | this->source_ = FROM_OBJECT; | |
1564db8d | 56 | this->in_dyn_ = object->is_dynamic(); |
14bfc3f5 ILT |
57 | } |
58 | ||
ead1e424 ILT |
59 | // Initialize the fields in the base class Symbol for a symbol defined |
60 | // in an Output_data. | |
61 | ||
62 | void | |
63 | Symbol::init_base(const char* name, Output_data* od, elfcpp::STT type, | |
64 | elfcpp::STB binding, elfcpp::STV visibility, | |
65 | unsigned char nonvis, bool offset_is_from_end) | |
66 | { | |
67 | this->init_fields(name, NULL, type, binding, visibility, nonvis); | |
68 | this->u_.in_output_data.output_data = od; | |
69 | this->u_.in_output_data.offset_is_from_end = offset_is_from_end; | |
70 | this->source_ = IN_OUTPUT_DATA; | |
71 | } | |
72 | ||
73 | // Initialize the fields in the base class Symbol for a symbol defined | |
74 | // in an Output_segment. | |
75 | ||
76 | void | |
77 | Symbol::init_base(const char* name, Output_segment* os, elfcpp::STT type, | |
78 | elfcpp::STB binding, elfcpp::STV visibility, | |
79 | unsigned char nonvis, Segment_offset_base offset_base) | |
80 | { | |
81 | this->init_fields(name, NULL, type, binding, visibility, nonvis); | |
82 | this->u_.in_output_segment.output_segment = os; | |
83 | this->u_.in_output_segment.offset_base = offset_base; | |
84 | this->source_ = IN_OUTPUT_SEGMENT; | |
85 | } | |
86 | ||
87 | // Initialize the fields in the base class Symbol for a symbol defined | |
88 | // as a constant. | |
89 | ||
90 | void | |
91 | Symbol::init_base(const char* name, elfcpp::STT type, | |
92 | elfcpp::STB binding, elfcpp::STV visibility, | |
93 | unsigned char nonvis) | |
94 | { | |
95 | this->init_fields(name, NULL, type, binding, visibility, nonvis); | |
96 | this->source_ = CONSTANT; | |
97 | } | |
98 | ||
99 | // Initialize the fields in Sized_symbol for SYM in OBJECT. | |
14bfc3f5 ILT |
100 | |
101 | template<int size> | |
102 | template<bool big_endian> | |
103 | void | |
104 | Sized_symbol<size>::init(const char* name, const char* version, Object* object, | |
105 | const elfcpp::Sym<size, big_endian>& sym) | |
106 | { | |
107 | this->init_base(name, version, object, sym); | |
108 | this->value_ = sym.get_st_value(); | |
ead1e424 ILT |
109 | this->symsize_ = sym.get_st_size(); |
110 | } | |
111 | ||
112 | // Initialize the fields in Sized_symbol for a symbol defined in an | |
113 | // Output_data. | |
114 | ||
115 | template<int size> | |
116 | void | |
117 | Sized_symbol<size>::init(const char* name, Output_data* od, | |
118 | Value_type value, Size_type symsize, | |
119 | elfcpp::STT type, elfcpp::STB binding, | |
120 | elfcpp::STV visibility, unsigned char nonvis, | |
121 | bool offset_is_from_end) | |
122 | { | |
123 | this->init_base(name, od, type, binding, visibility, nonvis, | |
124 | offset_is_from_end); | |
125 | this->value_ = value; | |
126 | this->symsize_ = symsize; | |
127 | } | |
128 | ||
129 | // Initialize the fields in Sized_symbol for a symbol defined in an | |
130 | // Output_segment. | |
131 | ||
132 | template<int size> | |
133 | void | |
134 | Sized_symbol<size>::init(const char* name, Output_segment* os, | |
135 | Value_type value, Size_type symsize, | |
136 | elfcpp::STT type, elfcpp::STB binding, | |
137 | elfcpp::STV visibility, unsigned char nonvis, | |
138 | Segment_offset_base offset_base) | |
139 | { | |
140 | this->init_base(name, os, type, binding, visibility, nonvis, offset_base); | |
141 | this->value_ = value; | |
142 | this->symsize_ = symsize; | |
143 | } | |
144 | ||
145 | // Initialize the fields in Sized_symbol for a symbol defined as a | |
146 | // constant. | |
147 | ||
148 | template<int size> | |
149 | void | |
150 | Sized_symbol<size>::init(const char* name, Value_type value, Size_type symsize, | |
151 | elfcpp::STT type, elfcpp::STB binding, | |
152 | elfcpp::STV visibility, unsigned char nonvis) | |
153 | { | |
154 | this->init_base(name, type, binding, visibility, nonvis); | |
155 | this->value_ = value; | |
156 | this->symsize_ = symsize; | |
14bfc3f5 ILT |
157 | } |
158 | ||
159 | // Class Symbol_table. | |
160 | ||
161 | Symbol_table::Symbol_table() | |
ead1e424 | 162 | : size_(0), saw_undefined_(0), offset_(0), table_(), namepool_(), |
f6ce93d6 | 163 | forwarders_(), commons_(), warnings_() |
14bfc3f5 ILT |
164 | { |
165 | } | |
166 | ||
167 | Symbol_table::~Symbol_table() | |
168 | { | |
169 | } | |
170 | ||
171 | // The hash function. The key is always canonicalized, so we use a | |
172 | // simple combination of the pointers. | |
173 | ||
174 | size_t | |
175 | Symbol_table::Symbol_table_hash::operator()(const Symbol_table_key& key) const | |
176 | { | |
177 | return (reinterpret_cast<size_t>(key.first) | |
178 | ^ reinterpret_cast<size_t>(key.second)); | |
179 | } | |
180 | ||
181 | // The symbol table key equality function. This is only called with | |
182 | // canonicalized name and version strings, so we can use pointer | |
183 | // comparison. | |
184 | ||
185 | bool | |
186 | Symbol_table::Symbol_table_eq::operator()(const Symbol_table_key& k1, | |
187 | const Symbol_table_key& k2) const | |
188 | { | |
189 | return k1.first == k2.first && k1.second == k2.second; | |
190 | } | |
191 | ||
192 | // Make TO a symbol which forwards to FROM. | |
193 | ||
194 | void | |
195 | Symbol_table::make_forwarder(Symbol* from, Symbol* to) | |
196 | { | |
197 | assert(!from->is_forwarder() && !to->is_forwarder()); | |
198 | this->forwarders_[from] = to; | |
199 | from->set_forwarder(); | |
200 | } | |
201 | ||
61ba1cf9 ILT |
202 | // Resolve the forwards from FROM, returning the real symbol. |
203 | ||
14bfc3f5 ILT |
204 | Symbol* |
205 | Symbol_table::resolve_forwards(Symbol* from) const | |
206 | { | |
207 | assert(from->is_forwarder()); | |
208 | Unordered_map<Symbol*, Symbol*>::const_iterator p = | |
209 | this->forwarders_.find(from); | |
210 | assert(p != this->forwarders_.end()); | |
211 | return p->second; | |
212 | } | |
213 | ||
61ba1cf9 ILT |
214 | // Look up a symbol by name. |
215 | ||
216 | Symbol* | |
217 | Symbol_table::lookup(const char* name, const char* version) const | |
218 | { | |
219 | name = this->namepool_.find(name); | |
220 | if (name == NULL) | |
221 | return NULL; | |
222 | if (version != NULL) | |
223 | { | |
224 | version = this->namepool_.find(version); | |
225 | if (version == NULL) | |
226 | return NULL; | |
227 | } | |
228 | ||
229 | Symbol_table_key key(name, version); | |
230 | Symbol_table::Symbol_table_type::const_iterator p = this->table_.find(key); | |
231 | if (p == this->table_.end()) | |
232 | return NULL; | |
233 | return p->second; | |
234 | } | |
235 | ||
14bfc3f5 ILT |
236 | // Resolve a Symbol with another Symbol. This is only used in the |
237 | // unusual case where there are references to both an unversioned | |
238 | // symbol and a symbol with a version, and we then discover that that | |
1564db8d ILT |
239 | // version is the default version. Because this is unusual, we do |
240 | // this the slow way, by converting back to an ELF symbol. | |
14bfc3f5 | 241 | |
1564db8d | 242 | template<int size, bool big_endian> |
14bfc3f5 | 243 | void |
5482377d ILT |
244 | Symbol_table::resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from |
245 | ACCEPT_SIZE_ENDIAN) | |
14bfc3f5 | 246 | { |
1564db8d ILT |
247 | unsigned char buf[elfcpp::Elf_sizes<size>::sym_size]; |
248 | elfcpp::Sym_write<size, big_endian> esym(buf); | |
249 | // We don't bother to set the st_name field. | |
250 | esym.put_st_value(from->value()); | |
251 | esym.put_st_size(from->symsize()); | |
252 | esym.put_st_info(from->binding(), from->type()); | |
ead1e424 | 253 | esym.put_st_other(from->visibility(), from->nonvis()); |
1564db8d ILT |
254 | esym.put_st_shndx(from->shnum()); |
255 | Symbol_table::resolve(to, esym.sym(), from->object()); | |
14bfc3f5 ILT |
256 | } |
257 | ||
258 | // Add one symbol from OBJECT to the symbol table. NAME is symbol | |
259 | // name and VERSION is the version; both are canonicalized. DEF is | |
260 | // whether this is the default version. | |
261 | ||
262 | // If DEF is true, then this is the definition of a default version of | |
263 | // a symbol. That means that any lookup of NAME/NULL and any lookup | |
264 | // of NAME/VERSION should always return the same symbol. This is | |
265 | // obvious for references, but in particular we want to do this for | |
266 | // definitions: overriding NAME/NULL should also override | |
267 | // NAME/VERSION. If we don't do that, it would be very hard to | |
268 | // override functions in a shared library which uses versioning. | |
269 | ||
270 | // We implement this by simply making both entries in the hash table | |
271 | // point to the same Symbol structure. That is easy enough if this is | |
272 | // the first time we see NAME/NULL or NAME/VERSION, but it is possible | |
273 | // that we have seen both already, in which case they will both have | |
274 | // independent entries in the symbol table. We can't simply change | |
275 | // the symbol table entry, because we have pointers to the entries | |
276 | // attached to the object files. So we mark the entry attached to the | |
277 | // object file as a forwarder, and record it in the forwarders_ map. | |
278 | // Note that entries in the hash table will never be marked as | |
279 | // forwarders. | |
280 | ||
281 | template<int size, bool big_endian> | |
282 | Symbol* | |
f6ce93d6 | 283 | Symbol_table::add_from_object(Object* object, |
14bfc3f5 ILT |
284 | const char *name, |
285 | const char *version, bool def, | |
286 | const elfcpp::Sym<size, big_endian>& sym) | |
287 | { | |
288 | Symbol* const snull = NULL; | |
289 | std::pair<typename Symbol_table_type::iterator, bool> ins = | |
290 | this->table_.insert(std::make_pair(std::make_pair(name, version), snull)); | |
291 | ||
292 | std::pair<typename Symbol_table_type::iterator, bool> insdef = | |
293 | std::make_pair(this->table_.end(), false); | |
294 | if (def) | |
295 | { | |
296 | const char* const vnull = NULL; | |
297 | insdef = this->table_.insert(std::make_pair(std::make_pair(name, vnull), | |
298 | snull)); | |
299 | } | |
300 | ||
301 | // ins.first: an iterator, which is a pointer to a pair. | |
302 | // ins.first->first: the key (a pair of name and version). | |
303 | // ins.first->second: the value (Symbol*). | |
304 | // ins.second: true if new entry was inserted, false if not. | |
305 | ||
1564db8d | 306 | Sized_symbol<size>* ret; |
ead1e424 ILT |
307 | bool was_undefined; |
308 | bool was_common; | |
14bfc3f5 ILT |
309 | if (!ins.second) |
310 | { | |
311 | // We already have an entry for NAME/VERSION. | |
593f47df ILT |
312 | ret = this->get_sized_symbol SELECT_SIZE_NAME(size) (ins.first->second |
313 | SELECT_SIZE(size)); | |
14bfc3f5 | 314 | assert(ret != NULL); |
ead1e424 ILT |
315 | |
316 | was_undefined = ret->is_undefined(); | |
317 | was_common = ret->is_common(); | |
318 | ||
14bfc3f5 ILT |
319 | Symbol_table::resolve(ret, sym, object); |
320 | ||
321 | if (def) | |
322 | { | |
323 | if (insdef.second) | |
324 | { | |
325 | // This is the first time we have seen NAME/NULL. Make | |
326 | // NAME/NULL point to NAME/VERSION. | |
327 | insdef.first->second = ret; | |
328 | } | |
329 | else | |
330 | { | |
331 | // This is the unfortunate case where we already have | |
332 | // entries for both NAME/VERSION and NAME/NULL. | |
274e99f9 | 333 | const Sized_symbol<size>* sym2; |
593f47df | 334 | sym2 = this->get_sized_symbol SELECT_SIZE_NAME(size) ( |
5482377d ILT |
335 | insdef.first->second |
336 | SELECT_SIZE(size)); | |
593f47df | 337 | Symbol_table::resolve SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( |
5482377d | 338 | ret, sym2 SELECT_SIZE_ENDIAN(size, big_endian)); |
14bfc3f5 ILT |
339 | this->make_forwarder(insdef.first->second, ret); |
340 | insdef.first->second = ret; | |
341 | } | |
342 | } | |
343 | } | |
344 | else | |
345 | { | |
346 | // This is the first time we have seen NAME/VERSION. | |
347 | assert(ins.first->second == NULL); | |
ead1e424 ILT |
348 | |
349 | was_undefined = false; | |
350 | was_common = false; | |
351 | ||
14bfc3f5 ILT |
352 | if (def && !insdef.second) |
353 | { | |
354 | // We already have an entry for NAME/NULL. Make | |
355 | // NAME/VERSION point to it. | |
593f47df ILT |
356 | ret = this->get_sized_symbol SELECT_SIZE_NAME(size) ( |
357 | insdef.first->second | |
358 | SELECT_SIZE(size)); | |
14bfc3f5 ILT |
359 | Symbol_table::resolve(ret, sym, object); |
360 | ins.first->second = ret; | |
361 | } | |
362 | else | |
363 | { | |
f6ce93d6 ILT |
364 | Sized_target<size, big_endian>* target = |
365 | object->sized_target SELECT_SIZE_ENDIAN_NAME(size, big_endian) ( | |
366 | SELECT_SIZE_ENDIAN_ONLY(size, big_endian)); | |
1564db8d ILT |
367 | if (!target->has_make_symbol()) |
368 | ret = new Sized_symbol<size>(); | |
369 | else | |
14bfc3f5 | 370 | { |
1564db8d ILT |
371 | ret = target->make_symbol(); |
372 | if (ret == NULL) | |
14bfc3f5 ILT |
373 | { |
374 | // This means that we don't want a symbol table | |
375 | // entry after all. | |
376 | if (!def) | |
377 | this->table_.erase(ins.first); | |
378 | else | |
379 | { | |
380 | this->table_.erase(insdef.first); | |
381 | // Inserting insdef invalidated ins. | |
382 | this->table_.erase(std::make_pair(name, version)); | |
383 | } | |
384 | return NULL; | |
385 | } | |
386 | } | |
14bfc3f5 | 387 | |
1564db8d ILT |
388 | ret->init(name, version, object, sym); |
389 | ||
14bfc3f5 ILT |
390 | ins.first->second = ret; |
391 | if (def) | |
392 | { | |
393 | // This is the first time we have seen NAME/NULL. Point | |
394 | // it at the new entry for NAME/VERSION. | |
395 | assert(insdef.second); | |
396 | insdef.first->second = ret; | |
397 | } | |
398 | } | |
399 | } | |
400 | ||
ead1e424 ILT |
401 | // Record every time we see a new undefined symbol, to speed up |
402 | // archive groups. | |
403 | if (!was_undefined && ret->is_undefined()) | |
404 | ++this->saw_undefined_; | |
405 | ||
406 | // Keep track of common symbols, to speed up common symbol | |
407 | // allocation. | |
408 | if (!was_common && ret->is_common()) | |
409 | this->commons_.push_back(ret); | |
410 | ||
14bfc3f5 ILT |
411 | return ret; |
412 | } | |
413 | ||
f6ce93d6 | 414 | // Add all the symbols in a relocatable object to the hash table. |
14bfc3f5 ILT |
415 | |
416 | template<int size, bool big_endian> | |
417 | void | |
418 | Symbol_table::add_from_object( | |
f6ce93d6 ILT |
419 | Relobj* object, |
420 | const unsigned char* syms, | |
14bfc3f5 ILT |
421 | size_t count, |
422 | const char* sym_names, | |
423 | size_t sym_name_size, | |
424 | Symbol** sympointers) | |
425 | { | |
426 | // We take the size from the first object we see. | |
427 | if (this->get_size() == 0) | |
428 | this->set_size(size); | |
429 | ||
430 | if (size != this->get_size() || size != object->target()->get_size()) | |
431 | { | |
432 | fprintf(stderr, _("%s: %s: mixing 32-bit and 64-bit ELF objects\n"), | |
433 | program_name, object->name().c_str()); | |
434 | gold_exit(false); | |
435 | } | |
436 | ||
a783673b ILT |
437 | const int sym_size = elfcpp::Elf_sizes<size>::sym_size; |
438 | ||
f6ce93d6 | 439 | const unsigned char* p = syms; |
a783673b | 440 | for (size_t i = 0; i < count; ++i, p += sym_size) |
14bfc3f5 ILT |
441 | { |
442 | elfcpp::Sym<size, big_endian> sym(p); | |
a783673b | 443 | elfcpp::Sym<size, big_endian>* psym = &sym; |
14bfc3f5 | 444 | |
a783673b | 445 | unsigned int st_name = psym->get_st_name(); |
14bfc3f5 ILT |
446 | if (st_name >= sym_name_size) |
447 | { | |
54dc6425 ILT |
448 | fprintf(stderr, |
449 | _("%s: %s: bad global symbol name offset %u at %lu\n"), | |
14bfc3f5 ILT |
450 | program_name, object->name().c_str(), st_name, |
451 | static_cast<unsigned long>(i)); | |
452 | gold_exit(false); | |
453 | } | |
454 | ||
a783673b ILT |
455 | // A symbol defined in a section which we are not including must |
456 | // be treated as an undefined symbol. | |
457 | unsigned char symbuf[sym_size]; | |
458 | elfcpp::Sym<size, big_endian> sym2(symbuf); | |
459 | unsigned int st_shndx = psym->get_st_shndx(); | |
460 | if (st_shndx != elfcpp::SHN_UNDEF | |
461 | && st_shndx < elfcpp::SHN_LORESERVE | |
462 | && !object->is_section_included(st_shndx)) | |
463 | { | |
464 | memcpy(symbuf, p, sym_size); | |
465 | elfcpp::Sym_write<size, big_endian> sw(symbuf); | |
466 | sw.put_st_shndx(elfcpp::SHN_UNDEF); | |
467 | psym = &sym2; | |
468 | } | |
469 | ||
14bfc3f5 ILT |
470 | const char* name = sym_names + st_name; |
471 | ||
472 | // In an object file, an '@' in the name separates the symbol | |
473 | // name from the version name. If there are two '@' characters, | |
474 | // this is the default version. | |
475 | const char* ver = strchr(name, '@'); | |
476 | ||
477 | Symbol* res; | |
478 | if (ver == NULL) | |
479 | { | |
480 | name = this->namepool_.add(name); | |
a783673b | 481 | res = this->add_from_object(object, name, NULL, false, *psym); |
14bfc3f5 ILT |
482 | } |
483 | else | |
484 | { | |
485 | name = this->namepool_.add(name, ver - name); | |
486 | bool def = false; | |
487 | ++ver; | |
488 | if (*ver == '@') | |
489 | { | |
490 | def = true; | |
491 | ++ver; | |
492 | } | |
493 | ver = this->namepool_.add(ver); | |
a783673b | 494 | res = this->add_from_object(object, name, ver, def, *psym); |
14bfc3f5 ILT |
495 | } |
496 | ||
497 | *sympointers++ = res; | |
14bfc3f5 ILT |
498 | } |
499 | } | |
500 | ||
ead1e424 ILT |
501 | // Create and return a specially defined symbol. If ONLY_IF_REF is |
502 | // true, then only create the symbol if there is a reference to it. | |
503 | ||
504 | template<int size, bool big_endian> | |
505 | Sized_symbol<size>* | |
506 | Symbol_table::define_special_symbol(Target* target, const char* name, | |
593f47df ILT |
507 | bool only_if_ref |
508 | ACCEPT_SIZE_ENDIAN) | |
ead1e424 ILT |
509 | { |
510 | assert(this->size_ == size); | |
511 | ||
512 | Symbol* oldsym; | |
513 | Sized_symbol<size>* sym; | |
514 | ||
515 | if (only_if_ref) | |
516 | { | |
517 | oldsym = this->lookup(name, NULL); | |
f6ce93d6 | 518 | if (oldsym == NULL || !oldsym->is_undefined()) |
ead1e424 ILT |
519 | return NULL; |
520 | sym = NULL; | |
521 | ||
522 | // Canonicalize NAME. | |
523 | name = oldsym->name(); | |
524 | } | |
525 | else | |
526 | { | |
527 | // Canonicalize NAME. | |
528 | name = this->namepool_.add(name); | |
529 | ||
530 | Symbol* const snull = NULL; | |
531 | const char* const vnull = NULL; | |
532 | std::pair<typename Symbol_table_type::iterator, bool> ins = | |
533 | this->table_.insert(std::make_pair(std::make_pair(name, vnull), | |
534 | snull)); | |
535 | ||
536 | if (!ins.second) | |
537 | { | |
538 | // We already have a symbol table entry for NAME. | |
539 | oldsym = ins.first->second; | |
540 | assert(oldsym != NULL); | |
541 | sym = NULL; | |
542 | } | |
543 | else | |
544 | { | |
545 | // We haven't seen this symbol before. | |
546 | assert(ins.first->second == NULL); | |
547 | ||
548 | if (!target->has_make_symbol()) | |
549 | sym = new Sized_symbol<size>(); | |
550 | else | |
551 | { | |
552 | assert(target->get_size() == size); | |
553 | assert(target->is_big_endian() ? big_endian : !big_endian); | |
554 | typedef Sized_target<size, big_endian> My_target; | |
555 | My_target* sized_target = static_cast<My_target*>(target); | |
556 | sym = sized_target->make_symbol(); | |
557 | if (sym == NULL) | |
558 | return NULL; | |
559 | } | |
560 | ||
561 | ins.first->second = sym; | |
562 | oldsym = NULL; | |
563 | } | |
564 | } | |
565 | ||
566 | if (oldsym != NULL) | |
567 | { | |
568 | assert(sym == NULL); | |
569 | ||
593f47df ILT |
570 | sym = this->get_sized_symbol SELECT_SIZE_NAME(size) (oldsym |
571 | SELECT_SIZE(size)); | |
ead1e424 ILT |
572 | assert(sym->source() == Symbol::FROM_OBJECT); |
573 | const int old_shnum = sym->shnum(); | |
574 | if (old_shnum != elfcpp::SHN_UNDEF | |
575 | && old_shnum != elfcpp::SHN_COMMON | |
576 | && !sym->object()->is_dynamic()) | |
577 | { | |
578 | fprintf(stderr, "%s: linker defined: multiple definition of %s\n", | |
579 | program_name, name); | |
580 | // FIXME: Report old location. Record that we have seen an | |
581 | // error. | |
582 | return NULL; | |
583 | } | |
584 | ||
585 | // Our new definition is going to override the old reference. | |
586 | } | |
587 | ||
588 | return sym; | |
589 | } | |
590 | ||
591 | // Define a symbol based on an Output_data. | |
592 | ||
593 | void | |
594 | Symbol_table::define_in_output_data(Target* target, const char* name, | |
595 | Output_data* od, | |
596 | uint64_t value, uint64_t symsize, | |
597 | elfcpp::STT type, elfcpp::STB binding, | |
598 | elfcpp::STV visibility, | |
599 | unsigned char nonvis, | |
600 | bool offset_is_from_end, | |
601 | bool only_if_ref) | |
602 | { | |
603 | assert(target->get_size() == this->size_); | |
604 | if (this->size_ == 32) | |
605 | this->do_define_in_output_data<32>(target, name, od, value, symsize, | |
606 | type, binding, visibility, nonvis, | |
607 | offset_is_from_end, only_if_ref); | |
608 | else if (this->size_ == 64) | |
609 | this->do_define_in_output_data<64>(target, name, od, value, symsize, | |
610 | type, binding, visibility, nonvis, | |
611 | offset_is_from_end, only_if_ref); | |
612 | else | |
613 | abort(); | |
614 | } | |
615 | ||
616 | // Define a symbol in an Output_data, sized version. | |
617 | ||
618 | template<int size> | |
619 | void | |
620 | Symbol_table::do_define_in_output_data( | |
621 | Target* target, | |
622 | const char* name, | |
623 | Output_data* od, | |
624 | typename elfcpp::Elf_types<size>::Elf_Addr value, | |
625 | typename elfcpp::Elf_types<size>::Elf_WXword symsize, | |
626 | elfcpp::STT type, | |
627 | elfcpp::STB binding, | |
628 | elfcpp::STV visibility, | |
629 | unsigned char nonvis, | |
630 | bool offset_is_from_end, | |
631 | bool only_if_ref) | |
632 | { | |
633 | Sized_symbol<size>* sym; | |
634 | ||
635 | if (target->is_big_endian()) | |
593f47df ILT |
636 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, true) ( |
637 | target, name, only_if_ref | |
638 | SELECT_SIZE_ENDIAN(size, true)); | |
ead1e424 | 639 | else |
593f47df ILT |
640 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, false) ( |
641 | target, name, only_if_ref | |
642 | SELECT_SIZE_ENDIAN(size, false)); | |
ead1e424 ILT |
643 | |
644 | if (sym == NULL) | |
645 | return; | |
646 | ||
647 | sym->init(name, od, value, symsize, type, binding, visibility, nonvis, | |
648 | offset_is_from_end); | |
649 | } | |
650 | ||
651 | // Define a symbol based on an Output_segment. | |
652 | ||
653 | void | |
654 | Symbol_table::define_in_output_segment(Target* target, const char* name, | |
655 | Output_segment* os, | |
656 | uint64_t value, uint64_t symsize, | |
657 | elfcpp::STT type, elfcpp::STB binding, | |
658 | elfcpp::STV visibility, | |
659 | unsigned char nonvis, | |
660 | Symbol::Segment_offset_base offset_base, | |
661 | bool only_if_ref) | |
662 | { | |
663 | assert(target->get_size() == this->size_); | |
664 | if (this->size_ == 32) | |
665 | this->do_define_in_output_segment<32>(target, name, os, value, symsize, | |
666 | type, binding, visibility, nonvis, | |
667 | offset_base, only_if_ref); | |
668 | else if (this->size_ == 64) | |
669 | this->do_define_in_output_segment<64>(target, name, os, value, symsize, | |
670 | type, binding, visibility, nonvis, | |
671 | offset_base, only_if_ref); | |
672 | else | |
673 | abort(); | |
674 | } | |
675 | ||
676 | // Define a symbol in an Output_segment, sized version. | |
677 | ||
678 | template<int size> | |
679 | void | |
680 | Symbol_table::do_define_in_output_segment( | |
681 | Target* target, | |
682 | const char* name, | |
683 | Output_segment* os, | |
684 | typename elfcpp::Elf_types<size>::Elf_Addr value, | |
685 | typename elfcpp::Elf_types<size>::Elf_WXword symsize, | |
686 | elfcpp::STT type, | |
687 | elfcpp::STB binding, | |
688 | elfcpp::STV visibility, | |
689 | unsigned char nonvis, | |
690 | Symbol::Segment_offset_base offset_base, | |
691 | bool only_if_ref) | |
692 | { | |
693 | Sized_symbol<size>* sym; | |
694 | ||
695 | if (target->is_big_endian()) | |
593f47df ILT |
696 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, true) ( |
697 | target, name, only_if_ref | |
698 | SELECT_SIZE_ENDIAN(size, true)); | |
ead1e424 | 699 | else |
593f47df ILT |
700 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, false) ( |
701 | target, name, only_if_ref | |
702 | SELECT_SIZE_ENDIAN(size, false)); | |
ead1e424 ILT |
703 | |
704 | if (sym == NULL) | |
705 | return; | |
706 | ||
707 | sym->init(name, os, value, symsize, type, binding, visibility, nonvis, | |
708 | offset_base); | |
709 | } | |
710 | ||
711 | // Define a special symbol with a constant value. It is a multiple | |
712 | // definition error if this symbol is already defined. | |
713 | ||
714 | void | |
715 | Symbol_table::define_as_constant(Target* target, const char* name, | |
716 | uint64_t value, uint64_t symsize, | |
717 | elfcpp::STT type, elfcpp::STB binding, | |
718 | elfcpp::STV visibility, unsigned char nonvis, | |
719 | bool only_if_ref) | |
720 | { | |
721 | assert(target->get_size() == this->size_); | |
722 | if (this->size_ == 32) | |
723 | this->do_define_as_constant<32>(target, name, value, symsize, | |
724 | type, binding, visibility, nonvis, | |
725 | only_if_ref); | |
726 | else if (this->size_ == 64) | |
727 | this->do_define_as_constant<64>(target, name, value, symsize, | |
728 | type, binding, visibility, nonvis, | |
729 | only_if_ref); | |
730 | else | |
731 | abort(); | |
732 | } | |
733 | ||
734 | // Define a symbol as a constant, sized version. | |
735 | ||
736 | template<int size> | |
737 | void | |
738 | Symbol_table::do_define_as_constant( | |
739 | Target* target, | |
740 | const char* name, | |
741 | typename elfcpp::Elf_types<size>::Elf_Addr value, | |
742 | typename elfcpp::Elf_types<size>::Elf_WXword symsize, | |
743 | elfcpp::STT type, | |
744 | elfcpp::STB binding, | |
745 | elfcpp::STV visibility, | |
746 | unsigned char nonvis, | |
747 | bool only_if_ref) | |
748 | { | |
749 | Sized_symbol<size>* sym; | |
750 | ||
751 | if (target->is_big_endian()) | |
593f47df ILT |
752 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, true) ( |
753 | target, name, only_if_ref | |
754 | SELECT_SIZE_ENDIAN(size, true)); | |
ead1e424 | 755 | else |
593f47df ILT |
756 | sym = this->define_special_symbol SELECT_SIZE_ENDIAN_NAME(size, false) ( |
757 | target, name, only_if_ref | |
758 | SELECT_SIZE_ENDIAN(size, false)); | |
ead1e424 ILT |
759 | |
760 | if (sym == NULL) | |
761 | return; | |
762 | ||
763 | sym->init(name, value, symsize, type, binding, visibility, nonvis); | |
764 | } | |
765 | ||
766 | // Define a set of symbols in output sections. | |
767 | ||
768 | void | |
769 | Symbol_table::define_symbols(const Layout* layout, Target* target, int count, | |
770 | const Define_symbol_in_section* p) | |
771 | { | |
772 | for (int i = 0; i < count; ++i, ++p) | |
773 | { | |
774 | Output_section* os = layout->find_output_section(p->output_section); | |
775 | if (os != NULL) | |
776 | this->define_in_output_data(target, p->name, os, p->value, p->size, | |
777 | p->type, p->binding, p->visibility, | |
778 | p->nonvis, p->offset_is_from_end, | |
779 | p->only_if_ref); | |
780 | else | |
781 | this->define_as_constant(target, p->name, 0, p->size, p->type, | |
782 | p->binding, p->visibility, p->nonvis, | |
783 | p->only_if_ref); | |
784 | } | |
785 | } | |
786 | ||
787 | // Define a set of symbols in output segments. | |
788 | ||
789 | void | |
790 | Symbol_table::define_symbols(const Layout* layout, Target* target, int count, | |
791 | const Define_symbol_in_segment* p) | |
792 | { | |
793 | for (int i = 0; i < count; ++i, ++p) | |
794 | { | |
795 | Output_segment* os = layout->find_output_segment(p->segment_type, | |
796 | p->segment_flags_set, | |
797 | p->segment_flags_clear); | |
798 | if (os != NULL) | |
799 | this->define_in_output_segment(target, p->name, os, p->value, p->size, | |
800 | p->type, p->binding, p->visibility, | |
801 | p->nonvis, p->offset_base, | |
802 | p->only_if_ref); | |
803 | else | |
804 | this->define_as_constant(target, p->name, 0, p->size, p->type, | |
805 | p->binding, p->visibility, p->nonvis, | |
806 | p->only_if_ref); | |
807 | } | |
808 | } | |
809 | ||
75f65a3e ILT |
810 | // Set the final values for all the symbols. Record the file offset |
811 | // OFF. Add their names to POOL. Return the new file offset. | |
54dc6425 | 812 | |
75f65a3e ILT |
813 | off_t |
814 | Symbol_table::finalize(off_t off, Stringpool* pool) | |
54dc6425 | 815 | { |
f6ce93d6 ILT |
816 | off_t ret; |
817 | ||
75f65a3e | 818 | if (this->size_ == 32) |
f6ce93d6 | 819 | ret = this->sized_finalize<32>(off, pool); |
61ba1cf9 | 820 | else if (this->size_ == 64) |
f6ce93d6 | 821 | ret = this->sized_finalize<64>(off, pool); |
61ba1cf9 ILT |
822 | else |
823 | abort(); | |
f6ce93d6 ILT |
824 | |
825 | // Now that we have the final symbol table, we can reliably note | |
826 | // which symbols should get warnings. | |
827 | this->warnings_.note_warnings(this); | |
828 | ||
829 | return ret; | |
75f65a3e ILT |
830 | } |
831 | ||
ead1e424 ILT |
832 | // Set the final value for all the symbols. This is called after |
833 | // Layout::finalize, so all the output sections have their final | |
834 | // address. | |
75f65a3e ILT |
835 | |
836 | template<int size> | |
837 | off_t | |
838 | Symbol_table::sized_finalize(off_t off, Stringpool* pool) | |
839 | { | |
ead1e424 | 840 | off = align_address(off, size >> 3); |
75f65a3e ILT |
841 | this->offset_ = off; |
842 | ||
843 | const int sym_size = elfcpp::Elf_sizes<size>::sym_size; | |
844 | Symbol_table_type::iterator p = this->table_.begin(); | |
61ba1cf9 | 845 | size_t count = 0; |
75f65a3e | 846 | while (p != this->table_.end()) |
54dc6425 | 847 | { |
75f65a3e | 848 | Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second); |
54dc6425 | 849 | |
75f65a3e ILT |
850 | // FIXME: Here we need to decide which symbols should go into |
851 | // the output file. | |
852 | ||
ead1e424 | 853 | typename Sized_symbol<size>::Value_type value; |
75f65a3e | 854 | |
ead1e424 | 855 | switch (sym->source()) |
75f65a3e | 856 | { |
ead1e424 ILT |
857 | case Symbol::FROM_OBJECT: |
858 | { | |
859 | unsigned int shnum = sym->shnum(); | |
860 | ||
861 | // FIXME: We need some target specific support here. | |
862 | if (shnum >= elfcpp::SHN_LORESERVE | |
863 | && shnum != elfcpp::SHN_ABS) | |
864 | { | |
865 | fprintf(stderr, _("%s: %s: unsupported symbol section 0x%x\n"), | |
866 | program_name, sym->name(), shnum); | |
867 | gold_exit(false); | |
868 | } | |
869 | ||
f6ce93d6 ILT |
870 | Object* symobj = sym->object(); |
871 | if (symobj->is_dynamic()) | |
872 | { | |
873 | value = 0; | |
874 | shnum = elfcpp::SHN_UNDEF; | |
875 | } | |
876 | else if (shnum == elfcpp::SHN_UNDEF) | |
ead1e424 ILT |
877 | value = 0; |
878 | else if (shnum == elfcpp::SHN_ABS) | |
879 | value = sym->value(); | |
880 | else | |
881 | { | |
f6ce93d6 | 882 | Relobj* relobj = static_cast<Relobj*>(symobj); |
ead1e424 | 883 | off_t secoff; |
f6ce93d6 | 884 | Output_section* os = relobj->output_section(shnum, &secoff); |
ead1e424 ILT |
885 | |
886 | if (os == NULL) | |
887 | { | |
888 | // We should be able to erase this symbol from the | |
889 | // symbol table, but at least with gcc 4.0.2 | |
890 | // std::unordered_map::erase doesn't appear to return | |
891 | // the new iterator. | |
892 | // p = this->table_.erase(p); | |
893 | ++p; | |
894 | continue; | |
895 | } | |
896 | ||
897 | value = sym->value() + os->address() + secoff; | |
898 | } | |
899 | } | |
900 | break; | |
901 | ||
902 | case Symbol::IN_OUTPUT_DATA: | |
903 | { | |
904 | Output_data* od = sym->output_data(); | |
905 | value = sym->value() + od->address(); | |
906 | if (sym->offset_is_from_end()) | |
907 | value += od->data_size(); | |
908 | } | |
909 | break; | |
910 | ||
911 | case Symbol::IN_OUTPUT_SEGMENT: | |
912 | { | |
913 | Output_segment* os = sym->output_segment(); | |
914 | value = sym->value() + os->vaddr(); | |
915 | switch (sym->offset_base()) | |
916 | { | |
917 | case Symbol::SEGMENT_START: | |
918 | break; | |
919 | case Symbol::SEGMENT_END: | |
920 | value += os->memsz(); | |
921 | break; | |
922 | case Symbol::SEGMENT_BSS: | |
923 | value += os->filesz(); | |
924 | break; | |
925 | default: | |
926 | abort(); | |
927 | } | |
928 | } | |
929 | break; | |
930 | ||
931 | case Symbol::CONSTANT: | |
932 | value = sym->value(); | |
933 | break; | |
934 | ||
935 | default: | |
936 | abort(); | |
54dc6425 | 937 | } |
ead1e424 ILT |
938 | |
939 | sym->set_value(value); | |
940 | pool->add(sym->name()); | |
941 | ++count; | |
942 | off += sym_size; | |
943 | ++p; | |
54dc6425 | 944 | } |
75f65a3e | 945 | |
61ba1cf9 ILT |
946 | this->output_count_ = count; |
947 | ||
75f65a3e | 948 | return off; |
54dc6425 ILT |
949 | } |
950 | ||
61ba1cf9 ILT |
951 | // Write out the global symbols. |
952 | ||
953 | void | |
954 | Symbol_table::write_globals(const Target* target, const Stringpool* sympool, | |
955 | Output_file* of) const | |
956 | { | |
957 | if (this->size_ == 32) | |
958 | { | |
959 | if (target->is_big_endian()) | |
960 | this->sized_write_globals<32, true>(target, sympool, of); | |
961 | else | |
962 | this->sized_write_globals<32, false>(target, sympool, of); | |
963 | } | |
964 | else if (this->size_ == 64) | |
965 | { | |
966 | if (target->is_big_endian()) | |
967 | this->sized_write_globals<64, true>(target, sympool, of); | |
968 | else | |
969 | this->sized_write_globals<64, false>(target, sympool, of); | |
970 | } | |
971 | else | |
972 | abort(); | |
973 | } | |
974 | ||
975 | // Write out the global symbols. | |
976 | ||
977 | template<int size, bool big_endian> | |
978 | void | |
979 | Symbol_table::sized_write_globals(const Target*, | |
980 | const Stringpool* sympool, | |
981 | Output_file* of) const | |
982 | { | |
983 | const int sym_size = elfcpp::Elf_sizes<size>::sym_size; | |
984 | unsigned char* psyms = of->get_output_view(this->offset_, | |
985 | this->output_count_ * sym_size); | |
986 | unsigned char* ps = psyms; | |
987 | for (Symbol_table_type::const_iterator p = this->table_.begin(); | |
988 | p != this->table_.end(); | |
989 | ++p) | |
990 | { | |
991 | Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second); | |
992 | ||
ead1e424 ILT |
993 | unsigned int shndx; |
994 | switch (sym->source()) | |
995 | { | |
996 | case Symbol::FROM_OBJECT: | |
997 | { | |
998 | unsigned int shnum = sym->shnum(); | |
999 | ||
1000 | // FIXME: We need some target specific support here. | |
1001 | if (shnum >= elfcpp::SHN_LORESERVE | |
1002 | && shnum != elfcpp::SHN_ABS) | |
1003 | { | |
1004 | fprintf(stderr, _("%s: %s: unsupported symbol section 0x%x\n"), | |
1005 | program_name, sym->name(), sym->shnum()); | |
1006 | gold_exit(false); | |
1007 | } | |
1008 | ||
f6ce93d6 ILT |
1009 | Object* symobj = sym->object(); |
1010 | if (symobj->is_dynamic()) | |
1011 | { | |
1012 | // FIXME. | |
1013 | shndx = elfcpp::SHN_UNDEF; | |
1014 | } | |
1015 | else if (shnum == elfcpp::SHN_UNDEF || shnum == elfcpp::SHN_ABS) | |
ead1e424 ILT |
1016 | shndx = shnum; |
1017 | else | |
1018 | { | |
f6ce93d6 | 1019 | Relobj* relobj = static_cast<Relobj*>(symobj); |
ead1e424 | 1020 | off_t secoff; |
f6ce93d6 | 1021 | Output_section* os = relobj->output_section(shnum, &secoff); |
ead1e424 ILT |
1022 | if (os == NULL) |
1023 | continue; | |
1024 | ||
1025 | shndx = os->out_shndx(); | |
1026 | } | |
1027 | } | |
1028 | break; | |
1029 | ||
1030 | case Symbol::IN_OUTPUT_DATA: | |
1031 | shndx = sym->output_data()->out_shndx(); | |
1032 | break; | |
1033 | ||
1034 | case Symbol::IN_OUTPUT_SEGMENT: | |
1035 | shndx = elfcpp::SHN_ABS; | |
1036 | break; | |
1037 | ||
1038 | case Symbol::CONSTANT: | |
1039 | shndx = elfcpp::SHN_ABS; | |
1040 | break; | |
1041 | ||
1042 | default: | |
1043 | abort(); | |
1044 | } | |
61ba1cf9 ILT |
1045 | |
1046 | elfcpp::Sym_write<size, big_endian> osym(ps); | |
1047 | osym.put_st_name(sympool->get_offset(sym->name())); | |
1048 | osym.put_st_value(sym->value()); | |
1049 | osym.put_st_size(sym->symsize()); | |
1050 | osym.put_st_info(elfcpp::elf_st_info(sym->binding(), sym->type())); | |
ead1e424 ILT |
1051 | osym.put_st_other(elfcpp::elf_st_other(sym->visibility(), |
1052 | sym->nonvis())); | |
1053 | osym.put_st_shndx(shndx); | |
61ba1cf9 ILT |
1054 | |
1055 | ps += sym_size; | |
1056 | } | |
1057 | ||
1058 | of->write_output_view(this->offset_, this->output_count_ * sym_size, psyms); | |
1059 | } | |
1060 | ||
f6ce93d6 ILT |
1061 | // Warnings functions. |
1062 | ||
1063 | // Add a new warning. | |
1064 | ||
1065 | void | |
1066 | Warnings::add_warning(Symbol_table* symtab, const char* name, Object* obj, | |
1067 | unsigned int shndx) | |
1068 | { | |
1069 | name = symtab->canonicalize_name(name); | |
1070 | this->warnings_[name].set(obj, shndx); | |
1071 | } | |
1072 | ||
1073 | // Look through the warnings and mark the symbols for which we should | |
1074 | // warn. This is called during Layout::finalize when we know the | |
1075 | // sources for all the symbols. | |
1076 | ||
1077 | void | |
1078 | Warnings::note_warnings(Symbol_table* symtab) | |
1079 | { | |
1080 | for (Warning_table::iterator p = this->warnings_.begin(); | |
1081 | p != this->warnings_.end(); | |
1082 | ++p) | |
1083 | { | |
1084 | Symbol* sym = symtab->lookup(p->first, NULL); | |
1085 | if (sym != NULL | |
1086 | && sym->source() == Symbol::FROM_OBJECT | |
1087 | && sym->object() == p->second.object) | |
1088 | { | |
1089 | sym->set_has_warning(); | |
1090 | ||
1091 | // Read the section contents to get the warning text. It | |
1092 | // would be nicer if we only did this if we have to actually | |
1093 | // issue a warning. Unfortunately, warnings are issued as | |
1094 | // we relocate sections. That means that we can not lock | |
1095 | // the object then, as we might try to issue the same | |
1096 | // warning multiple times simultaneously. | |
1097 | const unsigned char* c; | |
1098 | off_t len; | |
1099 | c = p->second.object->section_contents(p->second.shndx, &len); | |
1100 | p->second.set_text(reinterpret_cast<const char*>(c), len); | |
1101 | } | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | // Issue a warning. This is called when we see a relocation against a | |
1106 | // symbol for which has a warning. | |
1107 | ||
1108 | void | |
1109 | Warnings::issue_warning(Symbol* sym, const std::string& location) const | |
1110 | { | |
1111 | assert(sym->has_warning()); | |
1112 | Warning_table::const_iterator p = this->warnings_.find(sym->name()); | |
1113 | assert(p != this->warnings_.end()); | |
1114 | fprintf(stderr, _("%s: %s: warning: %s\n"), program_name, location.c_str(), | |
1115 | p->second.text.c_str()); | |
1116 | } | |
1117 | ||
14bfc3f5 ILT |
1118 | // Instantiate the templates we need. We could use the configure |
1119 | // script to restrict this to only the ones needed for implemented | |
1120 | // targets. | |
1121 | ||
1122 | template | |
1123 | void | |
1124 | Symbol_table::add_from_object<32, true>( | |
f6ce93d6 ILT |
1125 | Relobj* object, |
1126 | const unsigned char* syms, | |
14bfc3f5 ILT |
1127 | size_t count, |
1128 | const char* sym_names, | |
1129 | size_t sym_name_size, | |
1130 | Symbol** sympointers); | |
1131 | ||
1132 | template | |
1133 | void | |
1134 | Symbol_table::add_from_object<32, false>( | |
f6ce93d6 ILT |
1135 | Relobj* object, |
1136 | const unsigned char* syms, | |
14bfc3f5 ILT |
1137 | size_t count, |
1138 | const char* sym_names, | |
1139 | size_t sym_name_size, | |
1140 | Symbol** sympointers); | |
1141 | ||
1142 | template | |
1143 | void | |
1144 | Symbol_table::add_from_object<64, true>( | |
f6ce93d6 ILT |
1145 | Relobj* object, |
1146 | const unsigned char* syms, | |
14bfc3f5 ILT |
1147 | size_t count, |
1148 | const char* sym_names, | |
1149 | size_t sym_name_size, | |
1150 | Symbol** sympointers); | |
1151 | ||
1152 | template | |
1153 | void | |
1154 | Symbol_table::add_from_object<64, false>( | |
f6ce93d6 ILT |
1155 | Relobj* object, |
1156 | const unsigned char* syms, | |
14bfc3f5 ILT |
1157 | size_t count, |
1158 | const char* sym_names, | |
1159 | size_t sym_name_size, | |
1160 | Symbol** sympointers); | |
1161 | ||
1162 | } // End namespace gold. |