1 | /* |
---|
2 | * Copyright (c) 2011, Chris Johns <chrisj@rtems.org> |
---|
3 | * |
---|
4 | * Permission to use, copy, modify, and/or distribute this software for any |
---|
5 | * purpose with or without fee is hereby granted, provided that the above |
---|
6 | * copyright notice and this permission notice appear in all copies. |
---|
7 | * |
---|
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
---|
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
---|
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
---|
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
---|
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
---|
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
---|
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
---|
15 | */ |
---|
16 | |
---|
17 | #if HAVE_CONFIG_H |
---|
18 | #include "config.h" |
---|
19 | #endif |
---|
20 | |
---|
21 | #include <errno.h> |
---|
22 | #include <fcntl.h> |
---|
23 | #include <stdio.h> |
---|
24 | #include <string.h> |
---|
25 | #include <sys/stat.h> |
---|
26 | |
---|
27 | #include <rld.h> |
---|
28 | |
---|
29 | #if __WIN32__ |
---|
30 | #define CREATE_MODE (S_IRUSR | S_IWUSR) |
---|
31 | #define OPEN_FLAGS (O_BINARY) |
---|
32 | #else |
---|
33 | #define CREATE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) |
---|
34 | #define OPEN_FLAGS (0) |
---|
35 | #endif |
---|
36 | |
---|
37 | namespace rld |
---|
38 | { |
---|
39 | namespace files |
---|
40 | { |
---|
41 | /** |
---|
42 | * Scan the decimal number returning the value found. |
---|
43 | */ |
---|
44 | uint64_t |
---|
45 | scan_decimal (const uint8_t* string, size_t len) |
---|
46 | { |
---|
47 | uint64_t value = 0; |
---|
48 | |
---|
49 | while (len && (*string != ' ')) |
---|
50 | { |
---|
51 | value *= 10; |
---|
52 | value += *string - '0'; |
---|
53 | ++string; |
---|
54 | --len; |
---|
55 | } |
---|
56 | |
---|
57 | return value; |
---|
58 | } |
---|
59 | |
---|
60 | void |
---|
61 | set_number (uint32_t value, uint8_t* string, size_t len, bool octal = false) |
---|
62 | { |
---|
63 | std::ostringstream oss; |
---|
64 | if (octal) |
---|
65 | oss << std::oct; |
---|
66 | oss << value; |
---|
67 | size_t l = oss.str ().length (); |
---|
68 | if (l > len) |
---|
69 | l = len; |
---|
70 | memcpy (string, oss.str ().c_str (), l); |
---|
71 | } |
---|
72 | |
---|
73 | std::string |
---|
74 | basename (const std::string& name) |
---|
75 | { |
---|
76 | size_t b = name.find_last_of (RLD_PATH_SEPARATOR); |
---|
77 | if (b != std::string::npos) |
---|
78 | return name.substr (b + 1); |
---|
79 | return name; |
---|
80 | } |
---|
81 | |
---|
82 | std::string |
---|
83 | dirname (const std::string& name) |
---|
84 | { |
---|
85 | size_t b = name.find_last_of (RLD_PATH_SEPARATOR); |
---|
86 | if (b != std::string::npos) |
---|
87 | return name.substr (0, b - 1); |
---|
88 | return name; |
---|
89 | } |
---|
90 | |
---|
91 | std::string |
---|
92 | extension (const std::string& name) |
---|
93 | { |
---|
94 | size_t b = name.find_last_of ('.'); |
---|
95 | if (b != std::string::npos) |
---|
96 | return name.substr (b); |
---|
97 | return name; |
---|
98 | } |
---|
99 | |
---|
100 | void |
---|
101 | path_split (const std::string& path, rld::files::paths& paths) |
---|
102 | { |
---|
103 | strings ps; |
---|
104 | rld::split (path, ps, RLD_PATHSTR_SEPARATOR); |
---|
105 | if (ps.size ()) |
---|
106 | { |
---|
107 | for (strings::iterator psi = ps.begin (); |
---|
108 | psi != ps.end (); |
---|
109 | ++psi) |
---|
110 | { |
---|
111 | if (check_directory (*psi)) |
---|
112 | paths.push_back (*psi); |
---|
113 | } |
---|
114 | } |
---|
115 | } |
---|
116 | |
---|
117 | void |
---|
118 | path_join (const std::string& path_, const std::string& file_, std::string& joined) |
---|
119 | { |
---|
120 | if ((path_[path_.size () - 1] != RLD_PATH_SEPARATOR) && |
---|
121 | (file_[0] != RLD_PATH_SEPARATOR)) |
---|
122 | joined = path_ + RLD_PATH_SEPARATOR + file_; |
---|
123 | else if ((path_[path_.size () - 1] == RLD_PATH_SEPARATOR) && |
---|
124 | (file_[0] == RLD_PATH_SEPARATOR)) |
---|
125 | joined = path_ + &file_[1]; |
---|
126 | else |
---|
127 | joined = path_ + file_; |
---|
128 | } |
---|
129 | |
---|
130 | bool |
---|
131 | check_file (const std::string& path) |
---|
132 | { |
---|
133 | struct stat sb; |
---|
134 | if (::stat (path.c_str (), &sb) == 0) |
---|
135 | if (S_ISREG (sb.st_mode)) |
---|
136 | return true; |
---|
137 | return false; |
---|
138 | } |
---|
139 | |
---|
140 | bool |
---|
141 | check_directory (const std::string& path) |
---|
142 | { |
---|
143 | struct stat sb; |
---|
144 | if (::stat (path.c_str (), &sb) == 0) |
---|
145 | if (S_ISDIR (sb.st_mode)) |
---|
146 | return true; |
---|
147 | return false; |
---|
148 | } |
---|
149 | |
---|
150 | void |
---|
151 | find_file (std::string& path, const std::string& name, paths& search_paths) |
---|
152 | { |
---|
153 | for (rld::files::paths::iterator pi = search_paths.begin (); |
---|
154 | pi != search_paths.end (); |
---|
155 | ++pi) |
---|
156 | { |
---|
157 | path_join (*pi, name, path); |
---|
158 | if (check_file (path)) |
---|
159 | return; |
---|
160 | } |
---|
161 | path.clear (); |
---|
162 | } |
---|
163 | |
---|
164 | file::file (const std::string& aname, |
---|
165 | const std::string& oname, |
---|
166 | off_t offset, |
---|
167 | size_t size) |
---|
168 | : aname_ (aname), |
---|
169 | oname_ (oname), |
---|
170 | offset_ (offset), |
---|
171 | size_ (size) |
---|
172 | { |
---|
173 | } |
---|
174 | |
---|
175 | file::file (const std::string& path, bool is_object) |
---|
176 | : offset_ (0), |
---|
177 | size_ (0) |
---|
178 | { |
---|
179 | set (path, is_object); |
---|
180 | } |
---|
181 | |
---|
182 | file::file () |
---|
183 | : offset_ (0), |
---|
184 | size_ (0) |
---|
185 | { |
---|
186 | } |
---|
187 | |
---|
188 | void |
---|
189 | file::set (const std::string& path, bool is_object) |
---|
190 | { |
---|
191 | /* |
---|
192 | * If there is a path look for a colon. If there is no colon we assume |
---|
193 | * it is an object file. If the colon is the last character in the path |
---|
194 | * it is just an archive. |
---|
195 | */ |
---|
196 | if (!path.empty ()) |
---|
197 | { |
---|
198 | bool get_size = false; |
---|
199 | if (is_object) |
---|
200 | { |
---|
201 | size_t colon = path.find_last_of (':'); |
---|
202 | if ((colon != std::string::npos) && (colon > RLD_DRIVE_SEPARATOR)) |
---|
203 | { |
---|
204 | aname_ = path.substr (0, colon - 1); |
---|
205 | oname_ = path.substr (colon + 1); |
---|
206 | // @todo Add offset scanning. |
---|
207 | } |
---|
208 | else |
---|
209 | { |
---|
210 | oname_ = path; |
---|
211 | get_size = true; |
---|
212 | } |
---|
213 | } |
---|
214 | else |
---|
215 | { |
---|
216 | aname_ = path; |
---|
217 | get_size = true; |
---|
218 | } |
---|
219 | |
---|
220 | if (get_size) |
---|
221 | { |
---|
222 | struct stat sb; |
---|
223 | if (::stat (path.c_str (), &sb) == 0) |
---|
224 | size_ = sb.st_size; |
---|
225 | } |
---|
226 | } |
---|
227 | } |
---|
228 | |
---|
229 | bool |
---|
230 | file::is_archive () const |
---|
231 | { |
---|
232 | return !aname_.empty () && oname_.empty (); |
---|
233 | } |
---|
234 | |
---|
235 | bool |
---|
236 | file::is_object () const |
---|
237 | { |
---|
238 | return !oname_.empty (); |
---|
239 | } |
---|
240 | |
---|
241 | bool |
---|
242 | file::is_valid () const |
---|
243 | { |
---|
244 | return !aname_.empty () || ~oname_.empty (); |
---|
245 | } |
---|
246 | |
---|
247 | bool |
---|
248 | file::exists () const |
---|
249 | { |
---|
250 | /* |
---|
251 | * No name set returns false. |
---|
252 | */ |
---|
253 | bool result = false; |
---|
254 | const std::string p = path (); |
---|
255 | if (!p.empty ()) |
---|
256 | result = check_file (p); |
---|
257 | return result; |
---|
258 | } |
---|
259 | |
---|
260 | const std::string |
---|
261 | file::path () const |
---|
262 | { |
---|
263 | if (!aname_.empty ()) |
---|
264 | return aname_; |
---|
265 | return oname_; |
---|
266 | } |
---|
267 | |
---|
268 | const std::string |
---|
269 | file::full () const |
---|
270 | { |
---|
271 | std::string f; |
---|
272 | if (!aname_.empty ()) |
---|
273 | { |
---|
274 | f = aname_; |
---|
275 | if (!oname_.empty ()) |
---|
276 | f += ':'; |
---|
277 | } |
---|
278 | if (!oname_.empty ()) |
---|
279 | f += oname_; |
---|
280 | if (!aname_.empty () && !oname_.empty ()) |
---|
281 | f += '@' + rld::to_string (offset_); |
---|
282 | return f; |
---|
283 | } |
---|
284 | |
---|
285 | const std::string |
---|
286 | file::basename () const |
---|
287 | { |
---|
288 | return rld::files::basename (full ()); |
---|
289 | } |
---|
290 | |
---|
291 | const std::string& |
---|
292 | file::aname () const |
---|
293 | { |
---|
294 | return aname_; |
---|
295 | } |
---|
296 | |
---|
297 | const std::string& |
---|
298 | file::oname () const |
---|
299 | { |
---|
300 | return oname_; |
---|
301 | } |
---|
302 | |
---|
303 | off_t |
---|
304 | file::offset () const |
---|
305 | { |
---|
306 | return offset_; |
---|
307 | } |
---|
308 | |
---|
309 | size_t |
---|
310 | file::size () const |
---|
311 | { |
---|
312 | return size_; |
---|
313 | } |
---|
314 | |
---|
315 | image::image (file& name) |
---|
316 | : name_ (name), |
---|
317 | references_ (0), |
---|
318 | fd_ (-1), |
---|
319 | symbol_refs (0), |
---|
320 | writable (false) |
---|
321 | { |
---|
322 | } |
---|
323 | |
---|
324 | image::image (const std::string& path, bool is_object) |
---|
325 | : name_ (path, is_object), |
---|
326 | references_ (0), |
---|
327 | fd_ (-1), |
---|
328 | symbol_refs (0), |
---|
329 | writable (false) |
---|
330 | { |
---|
331 | } |
---|
332 | |
---|
333 | image::image () |
---|
334 | : references_ (0), |
---|
335 | fd_ (-1), |
---|
336 | symbol_refs (0), |
---|
337 | writable (false) |
---|
338 | { |
---|
339 | } |
---|
340 | |
---|
341 | image::~image () |
---|
342 | { |
---|
343 | if (references_) |
---|
344 | throw rld_error_at ("references when destructing image"); |
---|
345 | if (fd_ >= 0) |
---|
346 | ::close (fd_); |
---|
347 | } |
---|
348 | |
---|
349 | void |
---|
350 | image::open (file& name) |
---|
351 | { |
---|
352 | name_ = name; |
---|
353 | open (); |
---|
354 | } |
---|
355 | |
---|
356 | void |
---|
357 | image::open (bool writable_) |
---|
358 | { |
---|
359 | const std::string path = name_.path (); |
---|
360 | |
---|
361 | if (path.empty ()) |
---|
362 | throw rld::error ("No file name", "open:" + path); |
---|
363 | |
---|
364 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
365 | std::cout << "image::open: " << name (). full () |
---|
366 | << " refs:" << references_ + 1 |
---|
367 | << " writable:" << (char*) (writable_ ? "yes" : "no") |
---|
368 | << std::endl; |
---|
369 | |
---|
370 | if (fd_ < 0) |
---|
371 | { |
---|
372 | writable = writable_; |
---|
373 | |
---|
374 | if (writable) |
---|
375 | fd_ = ::open (path.c_str (), OPEN_FLAGS | O_RDWR | O_CREAT | O_TRUNC, CREATE_MODE); |
---|
376 | else |
---|
377 | fd_ = ::open (path.c_str (), OPEN_FLAGS | O_RDONLY); |
---|
378 | if (fd_ < 0) |
---|
379 | throw rld::error (::strerror (errno), "open:" + path); |
---|
380 | } |
---|
381 | else |
---|
382 | { |
---|
383 | if (writable_ != writable) |
---|
384 | throw rld::error ("Cannot change write status", "open:" + path); |
---|
385 | } |
---|
386 | |
---|
387 | ++references_; |
---|
388 | } |
---|
389 | |
---|
390 | void |
---|
391 | image::close () |
---|
392 | { |
---|
393 | if (references_ > 0) |
---|
394 | { |
---|
395 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
396 | std::cout << "image::close: " << name ().full () |
---|
397 | << " refs:" << references_ << std::endl; |
---|
398 | |
---|
399 | --references_; |
---|
400 | if (references_ == 0) |
---|
401 | { |
---|
402 | ::close (fd_); |
---|
403 | fd_ = -1; |
---|
404 | } |
---|
405 | } |
---|
406 | } |
---|
407 | |
---|
408 | ssize_t |
---|
409 | image::read (void* buffer_, size_t size) |
---|
410 | { |
---|
411 | uint8_t* buffer = static_cast <uint8_t*> (buffer_); |
---|
412 | size_t have_read = 0; |
---|
413 | size_t to_read = size; |
---|
414 | while (have_read < size) |
---|
415 | { |
---|
416 | ssize_t rsize = ::read (fd (), buffer, to_read); |
---|
417 | if (rsize < 0) |
---|
418 | throw rld::error (strerror (errno), "read:" + name ().path ()); |
---|
419 | if (rsize == 0) |
---|
420 | break; |
---|
421 | have_read += rsize; |
---|
422 | to_read -= rsize; |
---|
423 | buffer += rsize; |
---|
424 | } |
---|
425 | return have_read; |
---|
426 | } |
---|
427 | |
---|
428 | ssize_t |
---|
429 | image::write (const void* buffer_, size_t size) |
---|
430 | { |
---|
431 | const uint8_t* buffer = static_cast <const uint8_t*> (buffer_); |
---|
432 | size_t have_written = 0; |
---|
433 | size_t to_write = size; |
---|
434 | while (have_written < size) |
---|
435 | { |
---|
436 | ssize_t wsize = ::write (fd (), buffer, to_write); |
---|
437 | if (wsize < 0) |
---|
438 | throw rld::error (strerror (errno), "write:" + name ().path ()); |
---|
439 | have_written += wsize; |
---|
440 | to_write -= wsize; |
---|
441 | buffer += wsize; |
---|
442 | } |
---|
443 | return have_written; |
---|
444 | } |
---|
445 | |
---|
446 | void |
---|
447 | image::seek (off_t offset) |
---|
448 | { |
---|
449 | if (::lseek (fd (), name_.offset () + offset, SEEK_SET) < 0) |
---|
450 | throw rld::error (strerror (errno), "lseek:" + name ().path ()); |
---|
451 | } |
---|
452 | |
---|
453 | bool |
---|
454 | image::seek_read (off_t offset, uint8_t* buffer, size_t size) |
---|
455 | { |
---|
456 | seek (offset); |
---|
457 | return size == (size_t) read (buffer, size); |
---|
458 | } |
---|
459 | |
---|
460 | bool |
---|
461 | image::seek_write (off_t offset, const void* buffer, size_t size) |
---|
462 | { |
---|
463 | seek (offset); |
---|
464 | return size == (size_t) write (buffer, size); |
---|
465 | } |
---|
466 | |
---|
467 | const file& |
---|
468 | image::name () const |
---|
469 | { |
---|
470 | return name_; |
---|
471 | } |
---|
472 | |
---|
473 | int |
---|
474 | image::references () const |
---|
475 | { |
---|
476 | return references_; |
---|
477 | } |
---|
478 | |
---|
479 | size_t |
---|
480 | image::size () const |
---|
481 | { |
---|
482 | return name ().size (); |
---|
483 | } |
---|
484 | |
---|
485 | int |
---|
486 | image::fd () const |
---|
487 | { |
---|
488 | return fd_; |
---|
489 | } |
---|
490 | |
---|
491 | rld::elf::file& |
---|
492 | image::elf () |
---|
493 | { |
---|
494 | return elf_; |
---|
495 | } |
---|
496 | |
---|
497 | void |
---|
498 | image::symbol_referenced () |
---|
499 | { |
---|
500 | ++symbol_refs; |
---|
501 | } |
---|
502 | |
---|
503 | int |
---|
504 | image::symbol_references () const |
---|
505 | { |
---|
506 | return symbol_refs; |
---|
507 | } |
---|
508 | |
---|
509 | void |
---|
510 | copy_file (image& in, image& out, size_t size) |
---|
511 | { |
---|
512 | #define COPY_FILE_BUFFER_SIZE (8 * 1024) |
---|
513 | uint8_t* buffer = 0; |
---|
514 | |
---|
515 | if (size == 0) |
---|
516 | size = in.name ().size (); |
---|
517 | |
---|
518 | try |
---|
519 | { |
---|
520 | buffer = new uint8_t[COPY_FILE_BUFFER_SIZE]; |
---|
521 | while (size) |
---|
522 | { |
---|
523 | /* |
---|
524 | * @fixme the reading and writing are not POSIX; sigints could split them. |
---|
525 | */ |
---|
526 | |
---|
527 | size_t l = size < COPY_FILE_BUFFER_SIZE ? size : COPY_FILE_BUFFER_SIZE; |
---|
528 | ssize_t r = ::read (in.fd (), buffer, l); |
---|
529 | |
---|
530 | if (r < 0) |
---|
531 | throw rld::error (::strerror (errno), "reading: " + in.name ().full ()); |
---|
532 | |
---|
533 | if (r == 0) |
---|
534 | { |
---|
535 | std::ostringstream oss; |
---|
536 | oss << "reading: " + in.name ().full () << " (" << size << ')'; |
---|
537 | throw rld::error ("input too short", oss.str ()); |
---|
538 | } |
---|
539 | |
---|
540 | ssize_t w = ::write (out.fd (), buffer, r); |
---|
541 | |
---|
542 | if (w < 0) |
---|
543 | throw rld::error (::strerror (errno), "writing: " + out.name ().full ()); |
---|
544 | |
---|
545 | if (w != r) |
---|
546 | throw rld::error ("output trucated", "writing: " + out.name ().full ()); |
---|
547 | |
---|
548 | size -= r; |
---|
549 | } |
---|
550 | } |
---|
551 | catch (...) |
---|
552 | { |
---|
553 | delete [] buffer; |
---|
554 | throw; |
---|
555 | } |
---|
556 | |
---|
557 | if (buffer) |
---|
558 | delete [] buffer; |
---|
559 | } |
---|
560 | |
---|
561 | /** |
---|
562 | * Defines for the header of an archive. |
---|
563 | */ |
---|
564 | #define rld_archive_ident "!<arch>\n" |
---|
565 | #define rld_archive_ident_size (sizeof (rld_archive_ident) - 1) |
---|
566 | #define rld_archive_fhdr_base rld_archive_ident_size |
---|
567 | #define rld_archive_fname (0) |
---|
568 | #define rld_archive_fname_size (16) |
---|
569 | #define rld_archive_mtime (16) |
---|
570 | #define rld_archive_mtime_size (12) |
---|
571 | #define rld_archive_uid (28) |
---|
572 | #define rld_archive_uid_size (6) |
---|
573 | #define rld_archive_gid (34) |
---|
574 | #define rld_archive_gid_size (6) |
---|
575 | #define rld_archive_mode (40) |
---|
576 | #define rld_archive_mode_size (8) |
---|
577 | #define rld_archive_size (48) |
---|
578 | #define rld_archive_size_size (10) |
---|
579 | #define rld_archive_magic (58) |
---|
580 | #define rld_archive_magic_size (2) |
---|
581 | #define rld_archive_fhdr_size (60) |
---|
582 | #define rld_archive_max_file_size (1024) |
---|
583 | |
---|
584 | archive::archive (const std::string& path) |
---|
585 | : image (path, false) |
---|
586 | { |
---|
587 | if (!name ().is_valid ()) |
---|
588 | throw rld_error_at ("name is empty"); |
---|
589 | if (!name ().is_archive ()) |
---|
590 | throw rld_error_at ("name is not an archive: " + name ().oname ()); |
---|
591 | } |
---|
592 | |
---|
593 | archive::~archive () |
---|
594 | { |
---|
595 | end (); |
---|
596 | close (); |
---|
597 | } |
---|
598 | |
---|
599 | void |
---|
600 | archive::begin () |
---|
601 | { |
---|
602 | if (references () == 1) |
---|
603 | { |
---|
604 | elf ().begin (name ().full (), fd ()); |
---|
605 | |
---|
606 | /* |
---|
607 | * Make sure it is an archive. |
---|
608 | */ |
---|
609 | if (!elf ().is_archive ()) |
---|
610 | throw rld::error ("Not an archive.", |
---|
611 | "archive-begin:" + name ().full ()); |
---|
612 | } |
---|
613 | } |
---|
614 | |
---|
615 | void |
---|
616 | archive::end () |
---|
617 | { |
---|
618 | if (references () == 1) |
---|
619 | elf ().end (); |
---|
620 | } |
---|
621 | |
---|
622 | bool |
---|
623 | archive::is (const std::string& path) const |
---|
624 | { |
---|
625 | return name ().path () == path; |
---|
626 | } |
---|
627 | |
---|
628 | bool |
---|
629 | archive::is_valid () |
---|
630 | { |
---|
631 | open (); |
---|
632 | uint8_t header[rld_archive_ident_size]; |
---|
633 | seek_read (0, &header[0], rld_archive_ident_size); |
---|
634 | bool result = ::memcmp (header, rld_archive_ident, |
---|
635 | rld_archive_ident_size) == 0 ? true : false; |
---|
636 | close (); |
---|
637 | return result; |
---|
638 | } |
---|
639 | |
---|
640 | void |
---|
641 | archive::load_objects (objects& objs) |
---|
642 | { |
---|
643 | off_t extended_file_names = 0; |
---|
644 | off_t offset = rld_archive_fhdr_base; |
---|
645 | size_t size = 0; |
---|
646 | |
---|
647 | while (true) |
---|
648 | { |
---|
649 | uint8_t header[rld_archive_fhdr_size]; |
---|
650 | |
---|
651 | if (!read_header (offset, &header[0])) |
---|
652 | break; |
---|
653 | |
---|
654 | /* |
---|
655 | * The archive file headers are always aligned to an even address. |
---|
656 | */ |
---|
657 | size = |
---|
658 | (scan_decimal (&header[rld_archive_size], |
---|
659 | rld_archive_size_size) + 1) & ~1; |
---|
660 | |
---|
661 | /* |
---|
662 | * Check for the GNU extensions. |
---|
663 | */ |
---|
664 | if (header[0] == '/') |
---|
665 | { |
---|
666 | off_t extended_off; |
---|
667 | |
---|
668 | switch (header[1]) |
---|
669 | { |
---|
670 | case ' ': |
---|
671 | /* |
---|
672 | * Symbols table. Ignore the table. |
---|
673 | */ |
---|
674 | break; |
---|
675 | case '/': |
---|
676 | /* |
---|
677 | * Extended file names table. Remember. |
---|
678 | */ |
---|
679 | extended_file_names = offset + rld_archive_fhdr_size; |
---|
680 | break; |
---|
681 | case '0': |
---|
682 | case '1': |
---|
683 | case '2': |
---|
684 | case '3': |
---|
685 | case '4': |
---|
686 | case '5': |
---|
687 | case '6': |
---|
688 | case '7': |
---|
689 | case '8': |
---|
690 | case '9': |
---|
691 | /* |
---|
692 | * Offset into the extended file name table. If we do not have the |
---|
693 | * offset to the extended file name table find it. |
---|
694 | */ |
---|
695 | extended_off = scan_decimal (&header[1], rld_archive_fname_size); |
---|
696 | |
---|
697 | if (extended_file_names == 0) |
---|
698 | { |
---|
699 | off_t off = offset; |
---|
700 | while (extended_file_names == 0) |
---|
701 | { |
---|
702 | size_t esize = |
---|
703 | (scan_decimal (&header[rld_archive_size], |
---|
704 | rld_archive_size_size) + 1) & ~1; |
---|
705 | off += esize + rld_archive_fhdr_size; |
---|
706 | |
---|
707 | if (!read_header (off, &header[0])) |
---|
708 | throw rld::error ("No GNU extended file name section found", |
---|
709 | "get-names:" + name ().path ()); |
---|
710 | |
---|
711 | if ((header[0] == '/') && (header[1] == '/')) |
---|
712 | { |
---|
713 | extended_file_names = off + rld_archive_fhdr_size; |
---|
714 | break; |
---|
715 | } |
---|
716 | } |
---|
717 | } |
---|
718 | |
---|
719 | if (extended_file_names) |
---|
720 | { |
---|
721 | /* |
---|
722 | * We know the offset in the archive to the extended file. Read |
---|
723 | * the name from the table and compare with the name we are |
---|
724 | * after. |
---|
725 | */ |
---|
726 | char cname[rld_archive_max_file_size]; |
---|
727 | seek_read (extended_file_names + extended_off, |
---|
728 | (uint8_t*) &cname[0], rld_archive_max_file_size); |
---|
729 | add_object (objs, cname, |
---|
730 | offset + rld_archive_fhdr_size, size); |
---|
731 | } |
---|
732 | break; |
---|
733 | default: |
---|
734 | /* |
---|
735 | * Ignore the file because we do not know what it it. |
---|
736 | */ |
---|
737 | break; |
---|
738 | } |
---|
739 | } |
---|
740 | else |
---|
741 | { |
---|
742 | /* |
---|
743 | * Normal archive name. |
---|
744 | */ |
---|
745 | add_object (objs, |
---|
746 | (char*) &header[rld_archive_fname], |
---|
747 | offset + rld_archive_fhdr_size, size); |
---|
748 | } |
---|
749 | |
---|
750 | offset += size + rld_archive_fhdr_size; |
---|
751 | } |
---|
752 | } |
---|
753 | |
---|
754 | bool |
---|
755 | archive::operator< (const archive& rhs) const |
---|
756 | { |
---|
757 | return name ().path () < rhs.name ().path (); |
---|
758 | } |
---|
759 | |
---|
760 | bool |
---|
761 | archive::read_header (off_t offset, uint8_t* header) |
---|
762 | { |
---|
763 | if (!seek_read (offset, header, rld_archive_fhdr_size)) |
---|
764 | return false; |
---|
765 | |
---|
766 | if ((header[rld_archive_magic] != 0x60) || |
---|
767 | (header[rld_archive_magic + 1] != 0x0a)) |
---|
768 | throw rld::error ("Invalid header magic numbers at " + |
---|
769 | rld::to_string (offset), "read-header:" + name ().path ()); |
---|
770 | |
---|
771 | return true; |
---|
772 | } |
---|
773 | |
---|
774 | void |
---|
775 | archive::add_object (objects& objs, const char* path, off_t offset, size_t size) |
---|
776 | { |
---|
777 | const char* end = path; |
---|
778 | while ((*end != '\0') && (*end != '/')) |
---|
779 | ++end; |
---|
780 | |
---|
781 | std::string str; |
---|
782 | str.append (path, end - path); |
---|
783 | |
---|
784 | if (rld::verbose () >= RLD_VERBOSE_FULL_DEBUG) |
---|
785 | std::cout << "archive::add-object: " << str << std::endl; |
---|
786 | |
---|
787 | file n (name ().path (), str, offset, size); |
---|
788 | objs[n.full()] = new object (*this, n); |
---|
789 | } |
---|
790 | |
---|
791 | void |
---|
792 | archive::write_header (const std::string& name, |
---|
793 | uint32_t mtime, |
---|
794 | int uid, |
---|
795 | int gid, |
---|
796 | int mode, |
---|
797 | size_t size) |
---|
798 | { |
---|
799 | uint8_t header[rld_archive_fhdr_size]; |
---|
800 | |
---|
801 | memset (header, ' ', sizeof (header)); |
---|
802 | |
---|
803 | size_t len = name.length (); |
---|
804 | if (len > rld_archive_fname_size) |
---|
805 | len = rld_archive_fname_size; |
---|
806 | memcpy (&header[rld_archive_fname], &name[0], len); |
---|
807 | |
---|
808 | set_number (mtime, header + rld_archive_mtime, rld_archive_mtime_size); |
---|
809 | set_number (uid, header + rld_archive_uid, rld_archive_uid_size); |
---|
810 | set_number (gid, header + rld_archive_gid, rld_archive_gid_size); |
---|
811 | set_number (mode, header + rld_archive_mode, rld_archive_mode_size, true); |
---|
812 | set_number (size, header + rld_archive_size, rld_archive_size_size); |
---|
813 | |
---|
814 | header[rld_archive_magic] = 0x60; |
---|
815 | header[rld_archive_magic + 1] = 0x0a; |
---|
816 | |
---|
817 | write (header, sizeof (header)); |
---|
818 | } |
---|
819 | |
---|
820 | void |
---|
821 | archive::create (object_list& objects) |
---|
822 | { |
---|
823 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
824 | std::cout << "archive::create: " << name ().full () |
---|
825 | << ", objects: " << objects.size () << std::endl; |
---|
826 | |
---|
827 | open (true); |
---|
828 | |
---|
829 | try |
---|
830 | { |
---|
831 | seek_write (0, rld_archive_ident, rld_archive_ident_size); |
---|
832 | |
---|
833 | /* |
---|
834 | * GNU extended filenames. |
---|
835 | */ |
---|
836 | std::string extended_file_names; |
---|
837 | |
---|
838 | for (object_list::iterator oi = objects.begin (); |
---|
839 | oi != objects.end (); |
---|
840 | ++oi) |
---|
841 | { |
---|
842 | object& obj = *(*oi); |
---|
843 | const std::string& oname = basename (obj.name ().oname ()); |
---|
844 | if (oname.length () > rld_archive_fname_size) |
---|
845 | extended_file_names += oname + '\n'; |
---|
846 | } |
---|
847 | |
---|
848 | if (!extended_file_names.empty ()) |
---|
849 | { |
---|
850 | write_header ("//", 0, 0, 0, 0, extended_file_names.length ()); |
---|
851 | write (extended_file_names.c_str (), extended_file_names.length ()); |
---|
852 | } |
---|
853 | |
---|
854 | for (object_list::iterator oi = objects.begin (); |
---|
855 | oi != objects.end (); |
---|
856 | ++oi) |
---|
857 | { |
---|
858 | object& obj = *(*oi); |
---|
859 | |
---|
860 | obj.open (); |
---|
861 | |
---|
862 | try |
---|
863 | { |
---|
864 | std::string oname = basename (obj.name ().oname ()); |
---|
865 | |
---|
866 | /* |
---|
867 | * Convert the file name to an offset into the extended file name |
---|
868 | * table if the file name is too long for the header. |
---|
869 | */ |
---|
870 | |
---|
871 | if (oname.length () > rld_archive_fname_size) |
---|
872 | { |
---|
873 | size_t pos = extended_file_names.find (oname + '\n'); |
---|
874 | if (pos == std::string::npos) |
---|
875 | throw rld_error_at ("extended file name not found"); |
---|
876 | std::ostringstream oss; |
---|
877 | oss << '/' << pos; |
---|
878 | oname = oss.str (); |
---|
879 | } |
---|
880 | |
---|
881 | write_header (oname, 0, 0, 0, 0666, obj.name ().size ()); |
---|
882 | obj.seek (0); |
---|
883 | copy_file (obj, *this); |
---|
884 | } |
---|
885 | catch (...) |
---|
886 | { |
---|
887 | obj.close (); |
---|
888 | throw; |
---|
889 | } |
---|
890 | |
---|
891 | obj.close (); |
---|
892 | } |
---|
893 | } |
---|
894 | catch (...) |
---|
895 | { |
---|
896 | close (); |
---|
897 | throw; |
---|
898 | } |
---|
899 | |
---|
900 | close (); |
---|
901 | } |
---|
902 | |
---|
903 | section::section (const elf::section& es) |
---|
904 | : name (es.name ()), |
---|
905 | index (es.index ()), |
---|
906 | type (es.type ()), |
---|
907 | size (es.size ()), |
---|
908 | alignment (es.alignment ()), |
---|
909 | link (es.link ()), |
---|
910 | info (es.info ()), |
---|
911 | flags (es.flags ()), |
---|
912 | offset (es.offset ()){ |
---|
913 | } |
---|
914 | |
---|
915 | size_t |
---|
916 | sum_sizes (const sections& secs) |
---|
917 | { |
---|
918 | size_t size = 0; |
---|
919 | |
---|
920 | for (sections::const_iterator si = secs.begin (); |
---|
921 | si != secs.end (); |
---|
922 | ++si) |
---|
923 | { |
---|
924 | const section& sec = *si; |
---|
925 | |
---|
926 | if ((size % sec.alignment) != 0) |
---|
927 | size -= (size % sec.alignment) + sec.alignment; |
---|
928 | size += sec.size; |
---|
929 | } |
---|
930 | |
---|
931 | return size; |
---|
932 | } |
---|
933 | |
---|
934 | const section* |
---|
935 | find (const sections& secs, const int index) |
---|
936 | { |
---|
937 | for (sections::const_iterator si = secs.begin (); |
---|
938 | si != secs.end (); |
---|
939 | ++si) |
---|
940 | { |
---|
941 | const section& sec = *si; |
---|
942 | |
---|
943 | if (index == sec.index) |
---|
944 | return &sec; |
---|
945 | } |
---|
946 | |
---|
947 | return 0; |
---|
948 | } |
---|
949 | |
---|
950 | object::object (archive& archive_, file& name_) |
---|
951 | : image (name_), |
---|
952 | archive_ (&archive_), |
---|
953 | valid_ (false) |
---|
954 | { |
---|
955 | if (!name ().is_valid ()) |
---|
956 | throw rld_error_at ("name is empty"); |
---|
957 | } |
---|
958 | |
---|
959 | object::object (const std::string& path) |
---|
960 | : image (path), |
---|
961 | archive_ (0), |
---|
962 | valid_ (false) |
---|
963 | { |
---|
964 | if (!name ().is_valid ()) |
---|
965 | throw rld_error_at ("name is empty"); |
---|
966 | } |
---|
967 | |
---|
968 | object::object () |
---|
969 | : archive_ (0), |
---|
970 | valid_ (false) |
---|
971 | { |
---|
972 | } |
---|
973 | |
---|
974 | object::~object () |
---|
975 | { |
---|
976 | end (); |
---|
977 | close (); |
---|
978 | } |
---|
979 | |
---|
980 | void |
---|
981 | object::open (bool writable) |
---|
982 | { |
---|
983 | if (archive_) |
---|
984 | { |
---|
985 | if (writable) |
---|
986 | throw rld_error_at ("object files in archives are not writable"); |
---|
987 | archive_->open (); |
---|
988 | } |
---|
989 | else |
---|
990 | image::open (writable); |
---|
991 | } |
---|
992 | |
---|
993 | void |
---|
994 | object::close () |
---|
995 | { |
---|
996 | if (archive_) |
---|
997 | { |
---|
998 | archive_->end (); |
---|
999 | archive_->close (); |
---|
1000 | } |
---|
1001 | else |
---|
1002 | { |
---|
1003 | end (); |
---|
1004 | image::close (); |
---|
1005 | } |
---|
1006 | } |
---|
1007 | |
---|
1008 | void |
---|
1009 | object::begin () |
---|
1010 | { |
---|
1011 | /* |
---|
1012 | * Begin a session. |
---|
1013 | */ |
---|
1014 | |
---|
1015 | if (rld::verbose () >= RLD_VERBOSE_TRACE) |
---|
1016 | std::cout << "object:begin: " << name ().full () << " in-archive:" |
---|
1017 | << ((char*) (archive_ ? "yes" : "no")) << std::endl; |
---|
1018 | |
---|
1019 | if (archive_) |
---|
1020 | elf ().begin (name ().full (), archive_->elf(), name ().offset ()); |
---|
1021 | else |
---|
1022 | elf ().begin (name ().full (), fd (), is_writable ()); |
---|
1023 | |
---|
1024 | /* |
---|
1025 | * Cannot be an archive. |
---|
1026 | */ |
---|
1027 | if (elf ().is_archive ()) |
---|
1028 | throw rld::error ("Is an archive not an object file.", |
---|
1029 | "object-begin:" + name ().full ()); |
---|
1030 | |
---|
1031 | /* |
---|
1032 | * We only support executable or relocatable ELF files. |
---|
1033 | */ |
---|
1034 | if (!is_writable ()) |
---|
1035 | { |
---|
1036 | if (!elf ().is_executable () && !elf ().is_relocatable ()) |
---|
1037 | throw rld::error ("Invalid ELF type (only ET_EXEC/ET_REL supported).", |
---|
1038 | "object-begin:" + name ().full ()); |
---|
1039 | |
---|
1040 | elf::check_file (elf ()); |
---|
1041 | |
---|
1042 | /** |
---|
1043 | * We assume the ELF file is invariant over the linking process. |
---|
1044 | */ |
---|
1045 | |
---|
1046 | if (secs.empty ()) |
---|
1047 | { |
---|
1048 | elf::sections elf_secs; |
---|
1049 | |
---|
1050 | elf ().get_sections (elf_secs, 0); |
---|
1051 | |
---|
1052 | for (elf::sections::const_iterator esi = elf_secs.begin (); |
---|
1053 | esi != elf_secs.end (); |
---|
1054 | ++esi) |
---|
1055 | { |
---|
1056 | secs.push_back (section (*(*esi))); |
---|
1057 | } |
---|
1058 | } |
---|
1059 | } |
---|
1060 | |
---|
1061 | /* |
---|
1062 | * This is a valid object file. The file format checks out. |
---|
1063 | */ |
---|
1064 | valid_ = true; |
---|
1065 | } |
---|
1066 | |
---|
1067 | void |
---|
1068 | object::end () |
---|
1069 | { |
---|
1070 | if (rld::verbose () >= RLD_VERBOSE_TRACE) |
---|
1071 | std::cout << "object:end: " << name ().full () << std::endl; |
---|
1072 | |
---|
1073 | elf ().end (); |
---|
1074 | } |
---|
1075 | |
---|
1076 | bool |
---|
1077 | object::valid () const |
---|
1078 | { |
---|
1079 | return valid_; |
---|
1080 | } |
---|
1081 | |
---|
1082 | void |
---|
1083 | object::load_symbols (rld::symbols::table& symbols, bool local) |
---|
1084 | { |
---|
1085 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
1086 | std::cout << "object:load-sym: " << name ().full () << std::endl; |
---|
1087 | |
---|
1088 | rld::symbols::pointers syms; |
---|
1089 | |
---|
1090 | elf ().get_symbols (syms, false, local); |
---|
1091 | |
---|
1092 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
1093 | std::cout << "object:load-sym: exported: total " |
---|
1094 | << syms.size () << std::endl; |
---|
1095 | |
---|
1096 | for (symbols::pointers::iterator si = syms.begin (); |
---|
1097 | si != syms.end (); |
---|
1098 | ++si) |
---|
1099 | { |
---|
1100 | symbols::symbol& sym = *(*si); |
---|
1101 | |
---|
1102 | if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS) |
---|
1103 | { |
---|
1104 | std::cout << "object:load-sym: exported: "; |
---|
1105 | sym.output (std::cout); |
---|
1106 | std::cout << std::endl; |
---|
1107 | } |
---|
1108 | |
---|
1109 | sym.set_object (*this); |
---|
1110 | symbols[sym.name ()] = &sym; |
---|
1111 | externals.push_back (&sym); |
---|
1112 | } |
---|
1113 | |
---|
1114 | elf ().get_symbols (syms, true); |
---|
1115 | |
---|
1116 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
1117 | std::cout << "object:load-sym: unresolved: total " |
---|
1118 | << syms.size () << std::endl; |
---|
1119 | |
---|
1120 | for (symbols::pointers::iterator si = syms.begin (); |
---|
1121 | si != syms.end (); |
---|
1122 | ++si) |
---|
1123 | { |
---|
1124 | symbols::symbol& sym = *(*si); |
---|
1125 | |
---|
1126 | if (rld::verbose () >= RLD_VERBOSE_TRACE_SYMS) |
---|
1127 | { |
---|
1128 | std::cout << "object:load-sym: unresolved: "; |
---|
1129 | sym.output (std::cout); |
---|
1130 | std::cout << std::endl; |
---|
1131 | } |
---|
1132 | |
---|
1133 | unresolved[sym.name ()] = &sym; |
---|
1134 | } |
---|
1135 | } |
---|
1136 | |
---|
1137 | int |
---|
1138 | object::references () const |
---|
1139 | { |
---|
1140 | if (archive_) |
---|
1141 | return archive_->references (); |
---|
1142 | return image::references (); |
---|
1143 | } |
---|
1144 | |
---|
1145 | size_t |
---|
1146 | object::size () const |
---|
1147 | { |
---|
1148 | if (archive_) |
---|
1149 | return archive_->size (); |
---|
1150 | return image::size (); |
---|
1151 | } |
---|
1152 | |
---|
1153 | int |
---|
1154 | object::fd () const |
---|
1155 | { |
---|
1156 | if (archive_) |
---|
1157 | return archive_->fd (); |
---|
1158 | return image::fd (); |
---|
1159 | } |
---|
1160 | |
---|
1161 | void |
---|
1162 | object::symbol_referenced () |
---|
1163 | { |
---|
1164 | image::symbol_referenced (); |
---|
1165 | if (archive_) |
---|
1166 | archive_->symbol_referenced (); |
---|
1167 | } |
---|
1168 | |
---|
1169 | archive* |
---|
1170 | object::get_archive () |
---|
1171 | { |
---|
1172 | return archive_; |
---|
1173 | } |
---|
1174 | |
---|
1175 | rld::symbols::table& |
---|
1176 | object::unresolved_symbols () |
---|
1177 | { |
---|
1178 | return unresolved; |
---|
1179 | } |
---|
1180 | |
---|
1181 | rld::symbols::pointers& |
---|
1182 | object::external_symbols () |
---|
1183 | { |
---|
1184 | return externals; |
---|
1185 | } |
---|
1186 | |
---|
1187 | void |
---|
1188 | object::get_sections (sections& filtered_secs, |
---|
1189 | uint32_t type, |
---|
1190 | uint64_t flags_in, |
---|
1191 | uint64_t flags_out) |
---|
1192 | { |
---|
1193 | for (sections::const_iterator si = secs.begin (); |
---|
1194 | si != secs.end (); |
---|
1195 | ++si) |
---|
1196 | { |
---|
1197 | const section& sec = *si; |
---|
1198 | if ((type == 0) || (type == sec.type)) |
---|
1199 | { |
---|
1200 | if ((flags_in == 0) || |
---|
1201 | (((sec.flags & flags_in) == flags_in) && |
---|
1202 | ((sec.flags & flags_out) == 0))) |
---|
1203 | { |
---|
1204 | filtered_secs.push_back (sec); |
---|
1205 | } |
---|
1206 | } |
---|
1207 | } |
---|
1208 | } |
---|
1209 | |
---|
1210 | void |
---|
1211 | object::get_sections (sections& filtered_secs, const std::string& matching_name) |
---|
1212 | { |
---|
1213 | for (sections::const_iterator si = secs.begin (); |
---|
1214 | si != secs.end (); |
---|
1215 | ++si) |
---|
1216 | { |
---|
1217 | const section& sec = *si; |
---|
1218 | if (sec.name == matching_name) |
---|
1219 | { |
---|
1220 | filtered_secs.push_back (sec); |
---|
1221 | } |
---|
1222 | } |
---|
1223 | } |
---|
1224 | |
---|
1225 | cache::cache () |
---|
1226 | : opened (false) |
---|
1227 | { |
---|
1228 | } |
---|
1229 | |
---|
1230 | cache::~cache () |
---|
1231 | { |
---|
1232 | close (); |
---|
1233 | } |
---|
1234 | |
---|
1235 | void |
---|
1236 | cache::open () |
---|
1237 | { |
---|
1238 | if (!opened) |
---|
1239 | { |
---|
1240 | collect_object_files (); |
---|
1241 | archives_begin (); |
---|
1242 | opened = true; |
---|
1243 | } |
---|
1244 | } |
---|
1245 | |
---|
1246 | void |
---|
1247 | cache::close () |
---|
1248 | { |
---|
1249 | if (opened) |
---|
1250 | { |
---|
1251 | /* |
---|
1252 | * Must delete the object first as they could depend on archives. |
---|
1253 | */ |
---|
1254 | for (objects::iterator oi = objects_.begin (); oi != objects_.end (); ++oi) |
---|
1255 | delete (*oi).second; |
---|
1256 | for (archives::iterator ai = archives_.begin (); ai != archives_.end (); ++ai) |
---|
1257 | delete (*ai).second; |
---|
1258 | opened = false; |
---|
1259 | } |
---|
1260 | } |
---|
1261 | |
---|
1262 | void |
---|
1263 | cache::add (const std::string& path) |
---|
1264 | { |
---|
1265 | paths_.push_back (path); |
---|
1266 | input (path); |
---|
1267 | } |
---|
1268 | |
---|
1269 | void |
---|
1270 | cache::add (paths& paths__) |
---|
1271 | { |
---|
1272 | for (paths::iterator pi = paths__.begin(); |
---|
1273 | pi != paths__.end(); |
---|
1274 | ++pi) |
---|
1275 | add (*pi); |
---|
1276 | } |
---|
1277 | |
---|
1278 | void |
---|
1279 | cache::add_libraries (paths& paths__) |
---|
1280 | { |
---|
1281 | for (paths::iterator pi = paths__.begin(); |
---|
1282 | pi != paths__.end(); |
---|
1283 | ++pi) |
---|
1284 | input (*pi); |
---|
1285 | } |
---|
1286 | |
---|
1287 | void |
---|
1288 | cache::archive_begin (const std::string& path) |
---|
1289 | { |
---|
1290 | archives::iterator ai = archives_.find (path); |
---|
1291 | if (ai != archives_.end ()) |
---|
1292 | { |
---|
1293 | archive* ar = (*ai).second; |
---|
1294 | if (!ar->is_open ()) |
---|
1295 | { |
---|
1296 | if (rld::verbose () >= RLD_VERBOSE_TRACE) |
---|
1297 | std::cout << "cache:archive-begin: " << path << std::endl; |
---|
1298 | ar->open (); |
---|
1299 | ar->begin (); |
---|
1300 | } |
---|
1301 | } |
---|
1302 | } |
---|
1303 | |
---|
1304 | void |
---|
1305 | cache::archive_end (const std::string& path) |
---|
1306 | { |
---|
1307 | archives::iterator ai = archives_.find (path); |
---|
1308 | if (ai != archives_.end ()) |
---|
1309 | { |
---|
1310 | archive* ar = (*ai).second; |
---|
1311 | if (ar->is_open ()) |
---|
1312 | { |
---|
1313 | if (rld::verbose () >= RLD_VERBOSE_TRACE) |
---|
1314 | std::cout << "cache:archive-end: " << path << std::endl; |
---|
1315 | ar->end (); |
---|
1316 | ar->close (); |
---|
1317 | } |
---|
1318 | } |
---|
1319 | } |
---|
1320 | |
---|
1321 | void |
---|
1322 | cache::archives_begin () |
---|
1323 | { |
---|
1324 | for (archives::iterator ai = archives_.begin (); ai != archives_.end (); ++ai) |
---|
1325 | archive_begin (((*ai).second)->path ()); |
---|
1326 | } |
---|
1327 | |
---|
1328 | void |
---|
1329 | cache::archives_end () |
---|
1330 | { |
---|
1331 | for (archives::iterator ai = archives_.begin (); ai != archives_.end (); ++ai) |
---|
1332 | archive_end (((*ai).second)->path ()); |
---|
1333 | } |
---|
1334 | |
---|
1335 | void |
---|
1336 | cache::collect_object_files () |
---|
1337 | { |
---|
1338 | for (paths::iterator ni = paths_.begin (); ni != paths_.end (); ++ni) |
---|
1339 | collect_object_files (*ni); |
---|
1340 | } |
---|
1341 | |
---|
1342 | void |
---|
1343 | cache::collect_object_files (const std::string& path) |
---|
1344 | { |
---|
1345 | archive* ar = new archive (path); |
---|
1346 | |
---|
1347 | if (ar->is_valid ()) |
---|
1348 | { |
---|
1349 | try |
---|
1350 | { |
---|
1351 | ar->open (); |
---|
1352 | ar->load_objects (objects_); |
---|
1353 | ar->close (); |
---|
1354 | archives_[path] = ar; |
---|
1355 | } |
---|
1356 | catch (...) |
---|
1357 | { |
---|
1358 | delete ar; |
---|
1359 | throw; |
---|
1360 | } |
---|
1361 | } |
---|
1362 | else |
---|
1363 | { |
---|
1364 | delete ar; |
---|
1365 | object* obj = new object (path); |
---|
1366 | if (!obj->name ().exists ()) |
---|
1367 | { |
---|
1368 | delete obj; |
---|
1369 | throw rld::error ("'" + path + "', Not found or a regular file.", |
---|
1370 | "file-check"); |
---|
1371 | } |
---|
1372 | try |
---|
1373 | { |
---|
1374 | obj->open (); |
---|
1375 | obj->begin (); |
---|
1376 | obj->end (); |
---|
1377 | obj->close (); |
---|
1378 | objects_[path] = obj; |
---|
1379 | } |
---|
1380 | catch (...) |
---|
1381 | { |
---|
1382 | delete obj; |
---|
1383 | throw; |
---|
1384 | } |
---|
1385 | } |
---|
1386 | } |
---|
1387 | |
---|
1388 | void |
---|
1389 | cache::load_symbols (rld::symbols::table& symbols, bool local) |
---|
1390 | { |
---|
1391 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
1392 | std::cout << "cache:load-sym: object files: " << objects_.size () |
---|
1393 | << std::endl; |
---|
1394 | |
---|
1395 | for (objects::iterator oi = objects_.begin (); |
---|
1396 | oi != objects_.end (); |
---|
1397 | ++oi) |
---|
1398 | { |
---|
1399 | object* obj = (*oi).second; |
---|
1400 | obj->open (); |
---|
1401 | obj->begin (); |
---|
1402 | obj->load_symbols (symbols, local); |
---|
1403 | obj->end (); |
---|
1404 | obj->close (); |
---|
1405 | } |
---|
1406 | |
---|
1407 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
1408 | std::cout << "cache:load-sym: symbols: " << symbols.size () |
---|
1409 | << std::endl; |
---|
1410 | } |
---|
1411 | |
---|
1412 | void |
---|
1413 | cache::output_unresolved_symbols (std::ostream& out) |
---|
1414 | { |
---|
1415 | for (objects::iterator oi = objects_.begin (); |
---|
1416 | oi != objects_.end (); |
---|
1417 | ++oi) |
---|
1418 | { |
---|
1419 | object* obj = (*oi).second; |
---|
1420 | if (obj) |
---|
1421 | { |
---|
1422 | out << obj->name ().full () << ':' << std::endl; |
---|
1423 | rld::symbols::output (out, obj->unresolved_symbols ()); |
---|
1424 | } |
---|
1425 | } |
---|
1426 | } |
---|
1427 | |
---|
1428 | archives& |
---|
1429 | cache::get_archives () |
---|
1430 | { |
---|
1431 | return archives_; |
---|
1432 | } |
---|
1433 | |
---|
1434 | objects& |
---|
1435 | cache::get_objects () |
---|
1436 | { |
---|
1437 | return objects_; |
---|
1438 | } |
---|
1439 | |
---|
1440 | void |
---|
1441 | cache::get_objects (object_list& list) const |
---|
1442 | { |
---|
1443 | list.clear (); |
---|
1444 | for (paths::const_iterator pi = paths_.begin (); |
---|
1445 | pi != paths_.end (); |
---|
1446 | ++pi) |
---|
1447 | { |
---|
1448 | objects::const_iterator oi = objects_.find (*pi); |
---|
1449 | if (oi == objects_.end ()) |
---|
1450 | throw rld_error_at ("path not found in objects"); |
---|
1451 | list.push_back ((*oi).second); |
---|
1452 | } |
---|
1453 | } |
---|
1454 | |
---|
1455 | const paths& |
---|
1456 | cache::get_paths () const |
---|
1457 | { |
---|
1458 | return paths_; |
---|
1459 | } |
---|
1460 | |
---|
1461 | int |
---|
1462 | cache::archive_count () const |
---|
1463 | { |
---|
1464 | return archives_.size (); |
---|
1465 | } |
---|
1466 | |
---|
1467 | int |
---|
1468 | cache::object_count () const |
---|
1469 | { |
---|
1470 | return objects_.size (); |
---|
1471 | } |
---|
1472 | |
---|
1473 | int |
---|
1474 | cache::path_count () const |
---|
1475 | { |
---|
1476 | return paths_.size (); |
---|
1477 | } |
---|
1478 | |
---|
1479 | void |
---|
1480 | cache::get_archive_files (files& afiles) |
---|
1481 | { |
---|
1482 | for (archives::iterator ai = archives_.begin (); ai != archives_.end (); ++ai) |
---|
1483 | afiles.push_back ((*ai).second->name ().full ()); |
---|
1484 | } |
---|
1485 | |
---|
1486 | void |
---|
1487 | cache::get_object_files (files& ofiles) |
---|
1488 | { |
---|
1489 | for (objects::iterator oi = objects_.begin (); oi != objects_.end (); ++oi) |
---|
1490 | ofiles.push_back ((*oi).second->name ()); |
---|
1491 | } |
---|
1492 | |
---|
1493 | void |
---|
1494 | cache::output_archive_files (std::ostream& out) |
---|
1495 | { |
---|
1496 | for (archives::iterator ai = archives_.begin (); ai != archives_.end (); ++ai) |
---|
1497 | out << ' ' << (*ai).second->name ().full () << std::endl; |
---|
1498 | } |
---|
1499 | |
---|
1500 | void |
---|
1501 | cache::output_object_files (std::ostream& out) |
---|
1502 | { |
---|
1503 | for (objects::iterator oi = objects_.begin (); oi != objects_.end (); ++oi) |
---|
1504 | out << ' ' << (*oi).second->name ().full () << std::endl; |
---|
1505 | } |
---|
1506 | |
---|
1507 | void |
---|
1508 | cache::input (const std::string& path) |
---|
1509 | { |
---|
1510 | if (opened) |
---|
1511 | { |
---|
1512 | collect_object_files (path); |
---|
1513 | archive_begin (path); |
---|
1514 | } |
---|
1515 | } |
---|
1516 | |
---|
1517 | void |
---|
1518 | find_libraries (paths& libraries, paths& libpaths, paths& libs) |
---|
1519 | { |
---|
1520 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
1521 | std::cout << "Finding libraries:." << std::endl; |
---|
1522 | libraries.clear (); |
---|
1523 | for (paths::size_type l = 0; l < libs.size (); ++l) |
---|
1524 | { |
---|
1525 | std::string lib = "lib" + libs[l] + ".a"; |
---|
1526 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
1527 | std::cout << " searching: " << lib << std::endl; |
---|
1528 | bool found = false; |
---|
1529 | for (paths::size_type p = 0; p < libpaths.size (); ++p) |
---|
1530 | { |
---|
1531 | std::string plib; |
---|
1532 | path_join (libpaths[p], lib, plib); |
---|
1533 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
---|
1534 | std::cout << " checking: " << plib << std::endl; |
---|
1535 | if (check_file (plib)) |
---|
1536 | { |
---|
1537 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
1538 | std::cout << " found: " << plib << std::endl; |
---|
1539 | libraries.push_back (plib); |
---|
1540 | found = true; |
---|
1541 | break; |
---|
1542 | } |
---|
1543 | } |
---|
1544 | |
---|
1545 | if (!found) |
---|
1546 | throw rld::error ("Not found", lib); |
---|
1547 | } |
---|
1548 | } |
---|
1549 | |
---|
1550 | } |
---|
1551 | } |
---|