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14bfc3f5 ILT |
1 | // stringpool.cc -- a string pool for gold |
2 | ||
b90efa5b | 3 | // Copyright (C) 2006-2015 Free Software Foundation, Inc. |
6cb15b7f ILT |
4 | // Written by Ian Lance Taylor <iant@google.com>. |
5 | ||
6 | // This file is part of gold. | |
7 | ||
8 | // This program is free software; you can redistribute it and/or modify | |
9 | // it under the terms of the GNU General Public License as published by | |
10 | // the Free Software Foundation; either version 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
14bfc3f5 ILT |
23 | #include "gold.h" |
24 | ||
14bfc3f5 | 25 | #include <cstring> |
61ba1cf9 ILT |
26 | #include <algorithm> |
27 | #include <vector> | |
14bfc3f5 | 28 | |
61ba1cf9 | 29 | #include "output.h" |
377caf49 | 30 | #include "parameters.h" |
14bfc3f5 ILT |
31 | #include "stringpool.h" |
32 | ||
33 | namespace gold | |
34 | { | |
35 | ||
b8e6aad9 | 36 | template<typename Stringpool_char> |
e31908b6 | 37 | Stringpool_template<Stringpool_char>::Stringpool_template(uint64_t addralign) |
2030fba0 | 38 | : string_set_(), key_to_offset_(), strings_(), strtab_size_(0), |
e31908b6 CC |
39 | zero_null_(true), optimize_(false), offset_(sizeof(Stringpool_char)), |
40 | addralign_(addralign) | |
14bfc3f5 | 41 | { |
1c582fe7 CC |
42 | if (parameters->options_valid() |
43 | && parameters->options().optimize() >= 2 | |
44 | && addralign <= sizeof(Stringpool_char)) | |
f7c8a183 | 45 | this->optimize_ = true; |
14bfc3f5 ILT |
46 | } |
47 | ||
b8e6aad9 | 48 | template<typename Stringpool_char> |
9a0910c3 ILT |
49 | void |
50 | Stringpool_template<Stringpool_char>::clear() | |
14bfc3f5 | 51 | { |
b8e6aad9 | 52 | for (typename std::list<Stringdata*>::iterator p = this->strings_.begin(); |
14bfc3f5 ILT |
53 | p != this->strings_.end(); |
54 | ++p) | |
55 | delete[] reinterpret_cast<char*>(*p); | |
9a0910c3 | 56 | this->strings_.clear(); |
2030fba0 | 57 | this->key_to_offset_.clear(); |
9a0910c3 ILT |
58 | this->string_set_.clear(); |
59 | } | |
60 | ||
61 | template<typename Stringpool_char> | |
62 | Stringpool_template<Stringpool_char>::~Stringpool_template() | |
63 | { | |
64 | this->clear(); | |
14bfc3f5 ILT |
65 | } |
66 | ||
6d013333 ILT |
67 | // Resize the internal hashtable with the expectation we'll get n new |
68 | // elements. Note that the hashtable constructor takes a "number of | |
69 | // buckets you'd like," rather than "number of elements you'd like," | |
70 | // but that's the best we can do. | |
71 | ||
72 | template<typename Stringpool_char> | |
73 | void | |
74 | Stringpool_template<Stringpool_char>::reserve(unsigned int n) | |
75 | { | |
2030fba0 ILT |
76 | this->key_to_offset_.reserve(n); |
77 | ||
6c09fb0b ILT |
78 | #if defined(HAVE_UNORDERED_MAP) |
79 | this->string_set_.rehash(this->string_set_.size() + n); | |
80 | return; | |
81 | #elif defined(HAVE_TR1_UNORDERED_MAP) | |
6d013333 ILT |
82 | // rehash() implementation is broken in gcc 4.0.3's stl |
83 | //this->string_set_.rehash(this->string_set_.size() + n); | |
84 | //return; | |
85 | #elif defined(HAVE_EXT_HASH_MAP) | |
86 | this->string_set_.resize(this->string_set_.size() + n); | |
87 | return; | |
88 | #endif | |
89 | ||
90 | // This is the generic "reserve" code, if no #ifdef above triggers. | |
91 | String_set_type new_string_set(this->string_set_.size() + n); | |
92 | new_string_set.insert(this->string_set_.begin(), this->string_set_.end()); | |
93 | this->string_set_.swap(new_string_set); | |
94 | } | |
95 | ||
987cc251 | 96 | // Compare two strings of arbitrary character type for equality. |
b8e6aad9 ILT |
97 | |
98 | template<typename Stringpool_char> | |
99 | bool | |
987cc251 ILT |
100 | Stringpool_template<Stringpool_char>::string_equal(const Stringpool_char* s1, |
101 | const Stringpool_char* s2) | |
b8e6aad9 ILT |
102 | { |
103 | while (*s1 != 0) | |
104 | if (*s1++ != *s2++) | |
105 | return false; | |
106 | return *s2 == 0; | |
107 | } | |
108 | ||
987cc251 | 109 | // Specialize string_equal for char. |
b8e6aad9 ILT |
110 | |
111 | template<> | |
987cc251 ILT |
112 | inline bool |
113 | Stringpool_template<char>::string_equal(const char* s1, const char* s2) | |
b8e6aad9 ILT |
114 | { |
115 | return strcmp(s1, s2) == 0; | |
116 | } | |
117 | ||
987cc251 ILT |
118 | // Equality comparison function for the hash table. |
119 | ||
120 | template<typename Stringpool_char> | |
121 | inline bool | |
122 | Stringpool_template<Stringpool_char>::Stringpool_eq::operator()( | |
123 | const Hashkey& h1, | |
124 | const Hashkey& h2) const | |
125 | { | |
126 | return (h1.hash_code == h2.hash_code | |
127 | && h1.length == h2.length | |
c0873094 ILT |
128 | && (h1.string == h2.string |
129 | || memcmp(h1.string, h2.string, | |
130 | h1.length * sizeof(Stringpool_char)) == 0)); | |
987cc251 ILT |
131 | } |
132 | ||
133 | // Hash function. The length is in characters, not bytes. | |
14bfc3f5 | 134 | |
b8e6aad9 | 135 | template<typename Stringpool_char> |
14bfc3f5 | 136 | size_t |
987cc251 ILT |
137 | Stringpool_template<Stringpool_char>::string_hash(const Stringpool_char* s, |
138 | size_t length) | |
14bfc3f5 | 139 | { |
b569affa | 140 | return gold::string_hash<Stringpool_char>(s, length); |
14bfc3f5 ILT |
141 | } |
142 | ||
987cc251 ILT |
143 | // Add the string S to the list of canonical strings. Return a |
144 | // pointer to the canonical string. If PKEY is not NULL, set *PKEY to | |
145 | // the key. LENGTH is the length of S in characters. Note that S may | |
146 | // not be NUL terminated. | |
14bfc3f5 | 147 | |
b8e6aad9 ILT |
148 | template<typename Stringpool_char> |
149 | const Stringpool_char* | |
150 | Stringpool_template<Stringpool_char>::add_string(const Stringpool_char* s, | |
2030fba0 | 151 | size_t len) |
14bfc3f5 | 152 | { |
a3ad94ed ILT |
153 | // We are in trouble if we've already computed the string offsets. |
154 | gold_assert(this->strtab_size_ == 0); | |
155 | ||
f0641a0b | 156 | // The size we allocate for a new Stringdata. |
14bfc3f5 | 157 | const size_t buffer_size = 1000; |
f0641a0b ILT |
158 | // The amount we multiply the Stringdata index when calculating the |
159 | // key. | |
160 | const size_t key_mult = 1024; | |
a3ad94ed | 161 | gold_assert(key_mult >= buffer_size); |
f0641a0b | 162 | |
987cc251 ILT |
163 | // Convert len to the number of bytes we need to allocate, including |
164 | // the null character. | |
165 | len = (len + 1) * sizeof(Stringpool_char); | |
14bfc3f5 ILT |
166 | |
167 | size_t alc; | |
168 | bool front = true; | |
b8e6aad9 | 169 | if (len > buffer_size) |
14bfc3f5 | 170 | { |
61ba1cf9 | 171 | alc = sizeof(Stringdata) + len; |
14bfc3f5 ILT |
172 | front = false; |
173 | } | |
174 | else if (this->strings_.empty()) | |
61ba1cf9 | 175 | alc = sizeof(Stringdata) + buffer_size; |
14bfc3f5 ILT |
176 | else |
177 | { | |
ca09d69a | 178 | Stringdata* psd = this->strings_.front(); |
b8e6aad9 | 179 | if (len > psd->alc - psd->len) |
61ba1cf9 | 180 | alc = sizeof(Stringdata) + buffer_size; |
14bfc3f5 ILT |
181 | else |
182 | { | |
183 | char* ret = psd->data + psd->len; | |
987cc251 ILT |
184 | memcpy(ret, s, len - sizeof(Stringpool_char)); |
185 | memset(ret + len - sizeof(Stringpool_char), 0, | |
186 | sizeof(Stringpool_char)); | |
f0641a0b | 187 | |
b8e6aad9 | 188 | psd->len += len; |
f0641a0b | 189 | |
b8e6aad9 | 190 | return reinterpret_cast<const Stringpool_char*>(ret); |
14bfc3f5 ILT |
191 | } |
192 | } | |
193 | ||
ca09d69a | 194 | Stringdata* psd = reinterpret_cast<Stringdata*>(new char[alc]); |
61ba1cf9 | 195 | psd->alc = alc - sizeof(Stringdata); |
987cc251 ILT |
196 | memcpy(psd->data, s, len - sizeof(Stringpool_char)); |
197 | memset(psd->data + len - sizeof(Stringpool_char), 0, | |
198 | sizeof(Stringpool_char)); | |
b8e6aad9 | 199 | psd->len = len; |
f0641a0b | 200 | |
14bfc3f5 ILT |
201 | if (front) |
202 | this->strings_.push_front(psd); | |
203 | else | |
204 | this->strings_.push_back(psd); | |
f0641a0b | 205 | |
b8e6aad9 | 206 | return reinterpret_cast<const Stringpool_char*>(psd->data); |
14bfc3f5 ILT |
207 | } |
208 | ||
209 | // Add a string to a string pool. | |
210 | ||
b8e6aad9 ILT |
211 | template<typename Stringpool_char> |
212 | const Stringpool_char* | |
cfd73a4e ILT |
213 | Stringpool_template<Stringpool_char>::add(const Stringpool_char* s, bool copy, |
214 | Key* pkey) | |
c0873094 ILT |
215 | { |
216 | return this->add_with_length(s, string_length(s), copy, pkey); | |
217 | } | |
218 | ||
1aa37384 DK |
219 | // Add a new key offset entry. |
220 | ||
221 | template<typename Stringpool_char> | |
222 | void | |
223 | Stringpool_template<Stringpool_char>::new_key_offset(size_t length) | |
224 | { | |
1aa37384 DK |
225 | section_offset_type offset; |
226 | if (this->zero_null_ && length == 0) | |
227 | offset = 0; | |
228 | else | |
229 | { | |
6ad3daba | 230 | offset = this->offset_; |
e31908b6 CC |
231 | // Align non-zero length strings. |
232 | if (length != 0) | |
6ad3daba | 233 | offset = align_address(offset, this->addralign_); |
e31908b6 | 234 | this->offset_ = offset + (length + 1) * sizeof(Stringpool_char); |
1aa37384 DK |
235 | } |
236 | this->key_to_offset_.push_back(offset); | |
237 | } | |
238 | ||
c0873094 ILT |
239 | template<typename Stringpool_char> |
240 | const Stringpool_char* | |
241 | Stringpool_template<Stringpool_char>::add_with_length(const Stringpool_char* s, | |
242 | size_t length, | |
243 | bool copy, | |
244 | Key* pkey) | |
14bfc3f5 | 245 | { |
987cc251 | 246 | typedef std::pair<typename String_set_type::iterator, bool> Insert_type; |
14bfc3f5 | 247 | |
5778530e ILT |
248 | // We add 1 so that 0 is always invalid. |
249 | const Key k = this->key_to_offset_.size() + 1; | |
2030fba0 | 250 | |
987cc251 | 251 | if (!copy) |
f0641a0b | 252 | { |
987cc251 ILT |
253 | // When we don't need to copy the string, we can call insert |
254 | // directly. | |
14bfc3f5 | 255 | |
2030fba0 | 256 | std::pair<Hashkey, Hashval> element(Hashkey(s, length), k); |
f0641a0b | 257 | |
987cc251 | 258 | Insert_type ins = this->string_set_.insert(element); |
f0641a0b | 259 | |
987cc251 ILT |
260 | typename String_set_type::const_iterator p = ins.first; |
261 | ||
262 | if (ins.second) | |
263 | { | |
264 | // We just added the string. The key value has now been | |
265 | // used. | |
1aa37384 | 266 | this->new_key_offset(length); |
987cc251 ILT |
267 | } |
268 | else | |
269 | { | |
2030fba0 | 270 | gold_assert(k != p->second); |
987cc251 ILT |
271 | } |
272 | ||
273 | if (pkey != NULL) | |
2030fba0 | 274 | *pkey = p->second; |
987cc251 ILT |
275 | return p->first.string; |
276 | } | |
f0641a0b | 277 | |
c0873094 | 278 | // When we have to copy the string, we look it up twice in the hash |
987cc251 ILT |
279 | // table. The problem is that we can't insert S before we |
280 | // canonicalize it by copying it into the canonical list. The hash | |
c0873094 | 281 | // code will only be computed once. |
987cc251 | 282 | |
c0873094 | 283 | Hashkey hk(s, length); |
987cc251 ILT |
284 | typename String_set_type::const_iterator p = this->string_set_.find(hk); |
285 | if (p != this->string_set_.end()) | |
286 | { | |
287 | if (pkey != NULL) | |
2030fba0 | 288 | *pkey = p->second; |
987cc251 ILT |
289 | return p->first.string; |
290 | } | |
291 | ||
1aa37384 | 292 | this->new_key_offset(length); |
2030fba0 ILT |
293 | |
294 | hk.string = this->add_string(s, length); | |
987cc251 ILT |
295 | // The contents of the string stay the same, so we don't need to |
296 | // adjust hk.hash_code or hk.length. | |
297 | ||
2030fba0 | 298 | std::pair<Hashkey, Hashval> element(hk, k); |
987cc251 | 299 | |
987cc251 ILT |
300 | Insert_type ins = this->string_set_.insert(element); |
301 | gold_assert(ins.second); | |
302 | ||
303 | if (pkey != NULL) | |
304 | *pkey = k; | |
305 | return hk.string; | |
14bfc3f5 ILT |
306 | } |
307 | ||
b8e6aad9 ILT |
308 | template<typename Stringpool_char> |
309 | const Stringpool_char* | |
310 | Stringpool_template<Stringpool_char>::find(const Stringpool_char* s, | |
311 | Key* pkey) const | |
61ba1cf9 | 312 | { |
987cc251 ILT |
313 | Hashkey hk(s); |
314 | typename String_set_type::const_iterator p = this->string_set_.find(hk); | |
61ba1cf9 ILT |
315 | if (p == this->string_set_.end()) |
316 | return NULL; | |
f0641a0b ILT |
317 | |
318 | if (pkey != NULL) | |
2030fba0 | 319 | *pkey = p->second; |
f0641a0b | 320 | |
987cc251 | 321 | return p->first.string; |
61ba1cf9 ILT |
322 | } |
323 | ||
324 | // Comparison routine used when sorting into an ELF strtab. We want | |
325 | // to sort this so that when one string is a suffix of another, we | |
326 | // always see the shorter string immediately after the longer string. | |
327 | // For example, we want to see these strings in this order: | |
328 | // abcd | |
329 | // cd | |
330 | // d | |
331 | // When strings are not suffixes, we don't care what order they are | |
332 | // in, but we need to ensure that suffixes wind up next to each other. | |
333 | // So we do a reversed lexicographic sort on the reversed string. | |
334 | ||
b8e6aad9 | 335 | template<typename Stringpool_char> |
61ba1cf9 | 336 | bool |
b8e6aad9 | 337 | Stringpool_template<Stringpool_char>::Stringpool_sort_comparison::operator()( |
614f30a2 ILT |
338 | const Stringpool_sort_info& sort_info1, |
339 | const Stringpool_sort_info& sort_info2) const | |
61ba1cf9 | 340 | { |
987cc251 ILT |
341 | const Hashkey& h1(sort_info1->first); |
342 | const Hashkey& h2(sort_info2->first); | |
343 | const Stringpool_char* s1 = h1.string; | |
344 | const Stringpool_char* s2 = h2.string; | |
345 | const size_t len1 = h1.length; | |
346 | const size_t len2 = h2.length; | |
614f30a2 | 347 | const size_t minlen = len1 < len2 ? len1 : len2; |
b8e6aad9 ILT |
348 | const Stringpool_char* p1 = s1 + len1 - 1; |
349 | const Stringpool_char* p2 = s2 + len2 - 1; | |
350 | for (size_t i = minlen; i > 0; --i, --p1, --p2) | |
61ba1cf9 ILT |
351 | { |
352 | if (*p1 != *p2) | |
353 | return *p1 > *p2; | |
354 | } | |
355 | return len1 > len2; | |
356 | } | |
357 | ||
358 | // Return whether s1 is a suffix of s2. | |
359 | ||
b8e6aad9 | 360 | template<typename Stringpool_char> |
61ba1cf9 | 361 | bool |
b8e6aad9 | 362 | Stringpool_template<Stringpool_char>::is_suffix(const Stringpool_char* s1, |
614f30a2 ILT |
363 | size_t len1, |
364 | const Stringpool_char* s2, | |
365 | size_t len2) | |
61ba1cf9 | 366 | { |
61ba1cf9 ILT |
367 | if (len1 > len2) |
368 | return false; | |
b8e6aad9 | 369 | return memcmp(s1, s2 + len2 - len1, len1 * sizeof(Stringpool_char)) == 0; |
61ba1cf9 ILT |
370 | } |
371 | ||
372 | // Turn the stringpool into an ELF strtab: determine the offsets of | |
373 | // each string in the table. | |
374 | ||
b8e6aad9 | 375 | template<typename Stringpool_char> |
61ba1cf9 | 376 | void |
b8e6aad9 | 377 | Stringpool_template<Stringpool_char>::set_string_offsets() |
61ba1cf9 | 378 | { |
a3ad94ed ILT |
379 | if (this->strtab_size_ != 0) |
380 | { | |
381 | // We've already computed the offsets. | |
382 | return; | |
383 | } | |
384 | ||
b8e6aad9 ILT |
385 | const size_t charsize = sizeof(Stringpool_char); |
386 | ||
387 | // Offset 0 may be reserved for the empty string. | |
8383303e | 388 | section_offset_type offset = this->zero_null_ ? charsize : 0; |
614f30a2 | 389 | |
377caf49 ILT |
390 | // Sorting to find suffixes can take over 25% of the total CPU time |
391 | // used by the linker. Since it's merely an optimization to reduce | |
392 | // the strtab size, and gives a relatively small benefit (it's | |
393 | // typically rare for a symbol to be a suffix of another), we only | |
394 | // take the time to sort when the user asks for heavy optimization. | |
f7c8a183 | 395 | if (!this->optimize_) |
61ba1cf9 | 396 | { |
1aa37384 DK |
397 | // If we are not optimizing, the offsets are already assigned. |
398 | offset = this->offset_; | |
377caf49 ILT |
399 | } |
400 | else | |
401 | { | |
402 | size_t count = this->string_set_.size(); | |
403 | ||
404 | std::vector<Stringpool_sort_info> v; | |
405 | v.reserve(count); | |
406 | ||
407 | for (typename String_set_type::iterator p = this->string_set_.begin(); | |
408 | p != this->string_set_.end(); | |
409 | ++p) | |
987cc251 | 410 | v.push_back(Stringpool_sort_info(p)); |
377caf49 ILT |
411 | |
412 | std::sort(v.begin(), v.end(), Stringpool_sort_comparison()); | |
413 | ||
2030fba0 | 414 | section_offset_type last_offset = -1; |
377caf49 ILT |
415 | for (typename std::vector<Stringpool_sort_info>::iterator last = v.end(), |
416 | curr = v.begin(); | |
417 | curr != v.end(); | |
418 | last = curr++) | |
419 | { | |
2030fba0 | 420 | section_offset_type this_offset; |
987cc251 | 421 | if (this->zero_null_ && (*curr)->first.string[0] == 0) |
2030fba0 | 422 | this_offset = 0; |
377caf49 | 423 | else if (last != v.end() |
987cc251 ILT |
424 | && is_suffix((*curr)->first.string, |
425 | (*curr)->first.length, | |
426 | (*last)->first.string, | |
427 | (*last)->first.length)) | |
2030fba0 ILT |
428 | this_offset = (last_offset |
429 | + (((*last)->first.length - (*curr)->first.length) | |
430 | * charsize)); | |
377caf49 ILT |
431 | else |
432 | { | |
e31908b6 CC |
433 | this_offset = align_address(offset, this->addralign_); |
434 | offset = this_offset + ((*curr)->first.length + 1) * charsize; | |
377caf49 | 435 | } |
5778530e | 436 | this->key_to_offset_[(*curr)->second - 1] = this_offset; |
2030fba0 | 437 | last_offset = this_offset; |
377caf49 | 438 | } |
61ba1cf9 ILT |
439 | } |
440 | ||
441 | this->strtab_size_ = offset; | |
442 | } | |
443 | ||
444 | // Get the offset of a string in the ELF strtab. The string must | |
445 | // exist. | |
446 | ||
b8e6aad9 | 447 | template<typename Stringpool_char> |
8383303e | 448 | section_offset_type |
b8e6aad9 ILT |
449 | Stringpool_template<Stringpool_char>::get_offset(const Stringpool_char* s) |
450 | const | |
c0873094 ILT |
451 | { |
452 | return this->get_offset_with_length(s, string_length(s)); | |
453 | } | |
454 | ||
455 | template<typename Stringpool_char> | |
456 | section_offset_type | |
457 | Stringpool_template<Stringpool_char>::get_offset_with_length( | |
458 | const Stringpool_char* s, | |
459 | size_t length) const | |
61ba1cf9 | 460 | { |
a3ad94ed | 461 | gold_assert(this->strtab_size_ != 0); |
c0873094 ILT |
462 | Hashkey hk(s, length); |
463 | typename String_set_type::const_iterator p = this->string_set_.find(hk); | |
61ba1cf9 | 464 | if (p != this->string_set_.end()) |
5778530e | 465 | return this->key_to_offset_[p->second - 1]; |
a3ad94ed | 466 | gold_unreachable(); |
61ba1cf9 ILT |
467 | } |
468 | ||
9a0910c3 | 469 | // Write the ELF strtab into the buffer. |
61ba1cf9 | 470 | |
b8e6aad9 | 471 | template<typename Stringpool_char> |
61ba1cf9 | 472 | void |
8383303e ILT |
473 | Stringpool_template<Stringpool_char>::write_to_buffer( |
474 | unsigned char* buffer, | |
475 | section_size_type bufsize) | |
61ba1cf9 | 476 | { |
a3ad94ed | 477 | gold_assert(this->strtab_size_ != 0); |
8383303e | 478 | gold_assert(bufsize >= this->strtab_size_); |
b8e6aad9 | 479 | if (this->zero_null_) |
9a0910c3 | 480 | buffer[0] = '\0'; |
b8e6aad9 | 481 | for (typename String_set_type::const_iterator p = this->string_set_.begin(); |
61ba1cf9 ILT |
482 | p != this->string_set_.end(); |
483 | ++p) | |
9a0910c3 | 484 | { |
987cc251 | 485 | const int len = (p->first.length + 1) * sizeof(Stringpool_char); |
5778530e | 486 | const section_offset_type offset = this->key_to_offset_[p->second - 1]; |
2030fba0 | 487 | gold_assert(static_cast<section_size_type>(offset) + len |
8383303e | 488 | <= this->strtab_size_); |
2030fba0 | 489 | memcpy(buffer + offset, p->first.string, len); |
9a0910c3 ILT |
490 | } |
491 | } | |
492 | ||
493 | // Write the ELF strtab into the output file at the specified offset. | |
494 | ||
495 | template<typename Stringpool_char> | |
496 | void | |
497 | Stringpool_template<Stringpool_char>::write(Output_file* of, off_t offset) | |
498 | { | |
499 | gold_assert(this->strtab_size_ != 0); | |
500 | unsigned char* view = of->get_output_view(offset, this->strtab_size_); | |
96803768 | 501 | this->write_to_buffer(view, this->strtab_size_); |
9a0910c3 | 502 | of->write_output_view(offset, this->strtab_size_, view); |
61ba1cf9 ILT |
503 | } |
504 | ||
ad8f37d1 ILT |
505 | // Print statistical information to stderr. This is used for --stats. |
506 | ||
507 | template<typename Stringpool_char> | |
508 | void | |
509 | Stringpool_template<Stringpool_char>::print_stats(const char* name) const | |
510 | { | |
6c09fb0b | 511 | #if defined(HAVE_UNORDERED_MAP) || defined(HAVE_TR1_UNORDERED_MAP) || defined(HAVE_EXT_HASH_MAP) |
ad8f37d1 ILT |
512 | fprintf(stderr, _("%s: %s entries: %zu; buckets: %zu\n"), |
513 | program_name, name, this->string_set_.size(), | |
514 | this->string_set_.bucket_count()); | |
515 | #else | |
516 | fprintf(stderr, _("%s: %s entries: %zu\n"), | |
517 | program_name, name, this->table_.size()); | |
518 | #endif | |
519 | fprintf(stderr, _("%s: %s Stringdata structures: %zu\n"), | |
520 | program_name, name, this->strings_.size()); | |
521 | } | |
522 | ||
b8e6aad9 ILT |
523 | // Instantiate the templates we need. |
524 | ||
525 | template | |
526 | class Stringpool_template<char>; | |
527 | ||
528 | template | |
529 | class Stringpool_template<uint16_t>; | |
530 | ||
531 | template | |
532 | class Stringpool_template<uint32_t>; | |
533 | ||
14bfc3f5 | 534 | } // End namespace gold. |