This fixes a compile time warning which is being treated as an error. Older
[deliverable/binutils-gdb.git] / bfd / peXXigen.c
1 /* Support for the generic parts of PE/PEI; the common executable parts.
2 Copyright (C) 1995-2014 Free Software Foundation, Inc.
3 Written by Cygnus Solutions.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
22
23 /* Most of this hacked by Steve Chamberlain <sac@cygnus.com>.
24
25 PE/PEI rearrangement (and code added): Donn Terry
26 Softway Systems, Inc. */
27
28 /* Hey look, some documentation [and in a place you expect to find it]!
29
30 The main reference for the pei format is "Microsoft Portable Executable
31 and Common Object File Format Specification 4.1". Get it if you need to
32 do some serious hacking on this code.
33
34 Another reference:
35 "Peering Inside the PE: A Tour of the Win32 Portable Executable
36 File Format", MSJ 1994, Volume 9.
37
38 The *sole* difference between the pe format and the pei format is that the
39 latter has an MSDOS 2.0 .exe header on the front that prints the message
40 "This app must be run under Windows." (or some such).
41 (FIXME: Whether that statement is *really* true or not is unknown.
42 Are there more subtle differences between pe and pei formats?
43 For now assume there aren't. If you find one, then for God sakes
44 document it here!)
45
46 The Microsoft docs use the word "image" instead of "executable" because
47 the former can also refer to a DLL (shared library). Confusion can arise
48 because the `i' in `pei' also refers to "image". The `pe' format can
49 also create images (i.e. executables), it's just that to run on a win32
50 system you need to use the pei format.
51
52 FIXME: Please add more docs here so the next poor fool that has to hack
53 on this code has a chance of getting something accomplished without
54 wasting too much time. */
55
56 /* This expands into COFF_WITH_pe, COFF_WITH_pep, or COFF_WITH_pex64
57 depending on whether we're compiling for straight PE or PE+. */
58 #define COFF_WITH_XX
59
60 #include "sysdep.h"
61 #include "bfd.h"
62 #include "libbfd.h"
63 #include "coff/internal.h"
64 #include "bfdver.h"
65 #ifdef HAVE_WCHAR_H
66 #include <wchar.h>
67 #endif
68
69 /* NOTE: it's strange to be including an architecture specific header
70 in what's supposed to be general (to PE/PEI) code. However, that's
71 where the definitions are, and they don't vary per architecture
72 within PE/PEI, so we get them from there. FIXME: The lack of
73 variance is an assumption which may prove to be incorrect if new
74 PE/PEI targets are created. */
75 #if defined COFF_WITH_pex64
76 # include "coff/x86_64.h"
77 #elif defined COFF_WITH_pep
78 # include "coff/ia64.h"
79 #else
80 # include "coff/i386.h"
81 #endif
82
83 #include "coff/pe.h"
84 #include "libcoff.h"
85 #include "libpei.h"
86 #include "safe-ctype.h"
87
88 #if defined COFF_WITH_pep || defined COFF_WITH_pex64
89 # undef AOUTSZ
90 # define AOUTSZ PEPAOUTSZ
91 # define PEAOUTHDR PEPAOUTHDR
92 #endif
93
94 #define HighBitSet(val) ((val) & 0x80000000)
95 #define SetHighBit(val) ((val) | 0x80000000)
96 #define WithoutHighBit(val) ((val) & 0x7fffffff)
97
98 /* FIXME: This file has various tests of POWERPC_LE_PE. Those tests
99 worked when the code was in peicode.h, but no longer work now that
100 the code is in peigen.c. PowerPC NT is said to be dead. If
101 anybody wants to revive the code, you will have to figure out how
102 to handle those issues. */
103 \f
104 void
105 _bfd_XXi_swap_sym_in (bfd * abfd, void * ext1, void * in1)
106 {
107 SYMENT *ext = (SYMENT *) ext1;
108 struct internal_syment *in = (struct internal_syment *) in1;
109
110 if (ext->e.e_name[0] == 0)
111 {
112 in->_n._n_n._n_zeroes = 0;
113 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
114 }
115 else
116 memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
117
118 in->n_value = H_GET_32 (abfd, ext->e_value);
119 in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
120
121 if (sizeof (ext->e_type) == 2)
122 in->n_type = H_GET_16 (abfd, ext->e_type);
123 else
124 in->n_type = H_GET_32 (abfd, ext->e_type);
125
126 in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
127 in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
128
129 #ifndef STRICT_PE_FORMAT
130 /* This is for Gnu-created DLLs. */
131
132 /* The section symbols for the .idata$ sections have class 0x68
133 (C_SECTION), which MS documentation indicates is a section
134 symbol. Unfortunately, the value field in the symbol is simply a
135 copy of the .idata section's flags rather than something useful.
136 When these symbols are encountered, change the value to 0 so that
137 they will be handled somewhat correctly in the bfd code. */
138 if (in->n_sclass == C_SECTION)
139 {
140 char namebuf[SYMNMLEN + 1];
141 const char *name = NULL;
142
143 in->n_value = 0x0;
144
145 /* Create synthetic empty sections as needed. DJ */
146 if (in->n_scnum == 0)
147 {
148 asection *sec;
149
150 name = _bfd_coff_internal_syment_name (abfd, in, namebuf);
151 if (name == NULL)
152 /* FIXME: Return error. */
153 abort ();
154 sec = bfd_get_section_by_name (abfd, name);
155 if (sec != NULL)
156 in->n_scnum = sec->target_index;
157 }
158
159 if (in->n_scnum == 0)
160 {
161 int unused_section_number = 0;
162 asection *sec;
163 flagword flags;
164
165 for (sec = abfd->sections; sec; sec = sec->next)
166 if (unused_section_number <= sec->target_index)
167 unused_section_number = sec->target_index + 1;
168
169 if (name == namebuf)
170 {
171 name = (const char *) bfd_alloc (abfd, strlen (namebuf) + 1);
172 if (name == NULL)
173 /* FIXME: Return error. */
174 abort ();
175 strcpy ((char *) name, namebuf);
176 }
177 flags = SEC_HAS_CONTENTS | SEC_ALLOC | SEC_DATA | SEC_LOAD;
178 sec = bfd_make_section_anyway_with_flags (abfd, name, flags);
179 if (sec == NULL)
180 /* FIXME: Return error. */
181 abort ();
182
183 sec->vma = 0;
184 sec->lma = 0;
185 sec->size = 0;
186 sec->filepos = 0;
187 sec->rel_filepos = 0;
188 sec->reloc_count = 0;
189 sec->line_filepos = 0;
190 sec->lineno_count = 0;
191 sec->userdata = NULL;
192 sec->next = NULL;
193 sec->alignment_power = 2;
194
195 sec->target_index = unused_section_number;
196
197 in->n_scnum = unused_section_number;
198 }
199 in->n_sclass = C_STAT;
200 }
201 #endif
202
203 #ifdef coff_swap_sym_in_hook
204 /* This won't work in peigen.c, but since it's for PPC PE, it's not
205 worth fixing. */
206 coff_swap_sym_in_hook (abfd, ext1, in1);
207 #endif
208 }
209
210 static bfd_boolean
211 abs_finder (bfd * abfd ATTRIBUTE_UNUSED, asection * sec, void * data)
212 {
213 bfd_vma abs_val = * (bfd_vma *) data;
214
215 return (sec->vma <= abs_val) && ((sec->vma + (1ULL << 32)) > abs_val);
216 }
217
218 unsigned int
219 _bfd_XXi_swap_sym_out (bfd * abfd, void * inp, void * extp)
220 {
221 struct internal_syment *in = (struct internal_syment *) inp;
222 SYMENT *ext = (SYMENT *) extp;
223
224 if (in->_n._n_name[0] == 0)
225 {
226 H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
227 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
228 }
229 else
230 memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
231
232 /* The PE32 and PE32+ formats only use 4 bytes to hold the value of a
233 symbol. This is a problem on 64-bit targets where we can generate
234 absolute symbols with values >= 1^32. We try to work around this
235 problem by finding a section whose base address is sufficient to
236 reduce the absolute value to < 1^32, and then transforming the
237 symbol into a section relative symbol. This of course is a hack. */
238 if (sizeof (in->n_value) > 4
239 /* GCC 4.6.x erroneously complains about the next test always being
240 false when compiled on a 32-bit host. (The sizeof test above
241 should have made the warning unnecessary). Hence we have to
242 predicate the test. It should not matter if the test is omitted
243 since the worst that can happen is that some absolute symbols
244 are needlessly converted to equivalent section relative symbols. */
245 #if defined BFD64 || ! defined __GNUC__ || __GNUC__ > 4 || __GNUC_MINOR__ > 6
246 && in->n_value > ((1ULL << 32) - 1)
247 #endif
248 && in->n_scnum == -1)
249 {
250 asection * sec;
251
252 sec = bfd_sections_find_if (abfd, abs_finder, & in->n_value);
253 if (sec)
254 {
255 in->n_value -= sec->vma;
256 in->n_scnum = sec->target_index;
257 }
258 /* else: FIXME: The value is outside the range of any section. This
259 happens for __image_base__ and __ImageBase and maybe some other
260 symbols as well. We should find a way to handle these values. */
261 }
262
263 H_PUT_32 (abfd, in->n_value, ext->e_value);
264 H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
265
266 if (sizeof (ext->e_type) == 2)
267 H_PUT_16 (abfd, in->n_type, ext->e_type);
268 else
269 H_PUT_32 (abfd, in->n_type, ext->e_type);
270
271 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
272 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
273
274 return SYMESZ;
275 }
276
277 void
278 _bfd_XXi_swap_aux_in (bfd * abfd,
279 void * ext1,
280 int type,
281 int in_class,
282 int indx ATTRIBUTE_UNUSED,
283 int numaux ATTRIBUTE_UNUSED,
284 void * in1)
285 {
286 AUXENT *ext = (AUXENT *) ext1;
287 union internal_auxent *in = (union internal_auxent *) in1;
288
289 switch (in_class)
290 {
291 case C_FILE:
292 if (ext->x_file.x_fname[0] == 0)
293 {
294 in->x_file.x_n.x_zeroes = 0;
295 in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
296 }
297 else
298 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
299 return;
300
301 case C_STAT:
302 case C_LEAFSTAT:
303 case C_HIDDEN:
304 if (type == T_NULL)
305 {
306 in->x_scn.x_scnlen = GET_SCN_SCNLEN (abfd, ext);
307 in->x_scn.x_nreloc = GET_SCN_NRELOC (abfd, ext);
308 in->x_scn.x_nlinno = GET_SCN_NLINNO (abfd, ext);
309 in->x_scn.x_checksum = H_GET_32 (abfd, ext->x_scn.x_checksum);
310 in->x_scn.x_associated = H_GET_16 (abfd, ext->x_scn.x_associated);
311 in->x_scn.x_comdat = H_GET_8 (abfd, ext->x_scn.x_comdat);
312 return;
313 }
314 break;
315 }
316
317 in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->x_sym.x_tagndx);
318 in->x_sym.x_tvndx = H_GET_16 (abfd, ext->x_sym.x_tvndx);
319
320 if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
321 || ISTAG (in_class))
322 {
323 in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
324 in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
325 }
326 else
327 {
328 in->x_sym.x_fcnary.x_ary.x_dimen[0] =
329 H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
330 in->x_sym.x_fcnary.x_ary.x_dimen[1] =
331 H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
332 in->x_sym.x_fcnary.x_ary.x_dimen[2] =
333 H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
334 in->x_sym.x_fcnary.x_ary.x_dimen[3] =
335 H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
336 }
337
338 if (ISFCN (type))
339 {
340 in->x_sym.x_misc.x_fsize = H_GET_32 (abfd, ext->x_sym.x_misc.x_fsize);
341 }
342 else
343 {
344 in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO (abfd, ext);
345 in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE (abfd, ext);
346 }
347 }
348
349 unsigned int
350 _bfd_XXi_swap_aux_out (bfd * abfd,
351 void * inp,
352 int type,
353 int in_class,
354 int indx ATTRIBUTE_UNUSED,
355 int numaux ATTRIBUTE_UNUSED,
356 void * extp)
357 {
358 union internal_auxent *in = (union internal_auxent *) inp;
359 AUXENT *ext = (AUXENT *) extp;
360
361 memset (ext, 0, AUXESZ);
362
363 switch (in_class)
364 {
365 case C_FILE:
366 if (in->x_file.x_fname[0] == 0)
367 {
368 H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
369 H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
370 }
371 else
372 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
373
374 return AUXESZ;
375
376 case C_STAT:
377 case C_LEAFSTAT:
378 case C_HIDDEN:
379 if (type == T_NULL)
380 {
381 PUT_SCN_SCNLEN (abfd, in->x_scn.x_scnlen, ext);
382 PUT_SCN_NRELOC (abfd, in->x_scn.x_nreloc, ext);
383 PUT_SCN_NLINNO (abfd, in->x_scn.x_nlinno, ext);
384 H_PUT_32 (abfd, in->x_scn.x_checksum, ext->x_scn.x_checksum);
385 H_PUT_16 (abfd, in->x_scn.x_associated, ext->x_scn.x_associated);
386 H_PUT_8 (abfd, in->x_scn.x_comdat, ext->x_scn.x_comdat);
387 return AUXESZ;
388 }
389 break;
390 }
391
392 H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->x_sym.x_tagndx);
393 H_PUT_16 (abfd, in->x_sym.x_tvndx, ext->x_sym.x_tvndx);
394
395 if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
396 || ISTAG (in_class))
397 {
398 PUT_FCN_LNNOPTR (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
399 PUT_FCN_ENDNDX (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
400 }
401 else
402 {
403 H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
404 ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
405 H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
406 ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
407 H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
408 ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
409 H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
410 ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
411 }
412
413 if (ISFCN (type))
414 H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize);
415 else
416 {
417 PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
418 PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
419 }
420
421 return AUXESZ;
422 }
423
424 void
425 _bfd_XXi_swap_lineno_in (bfd * abfd, void * ext1, void * in1)
426 {
427 LINENO *ext = (LINENO *) ext1;
428 struct internal_lineno *in = (struct internal_lineno *) in1;
429
430 in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
431 in->l_lnno = GET_LINENO_LNNO (abfd, ext);
432 }
433
434 unsigned int
435 _bfd_XXi_swap_lineno_out (bfd * abfd, void * inp, void * outp)
436 {
437 struct internal_lineno *in = (struct internal_lineno *) inp;
438 struct external_lineno *ext = (struct external_lineno *) outp;
439 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
440
441 PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
442 return LINESZ;
443 }
444
445 void
446 _bfd_XXi_swap_aouthdr_in (bfd * abfd,
447 void * aouthdr_ext1,
448 void * aouthdr_int1)
449 {
450 PEAOUTHDR * src = (PEAOUTHDR *) aouthdr_ext1;
451 AOUTHDR * aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
452 struct internal_aouthdr *aouthdr_int
453 = (struct internal_aouthdr *) aouthdr_int1;
454 struct internal_extra_pe_aouthdr *a = &aouthdr_int->pe;
455
456 aouthdr_int->magic = H_GET_16 (abfd, aouthdr_ext->magic);
457 aouthdr_int->vstamp = H_GET_16 (abfd, aouthdr_ext->vstamp);
458 aouthdr_int->tsize = GET_AOUTHDR_TSIZE (abfd, aouthdr_ext->tsize);
459 aouthdr_int->dsize = GET_AOUTHDR_DSIZE (abfd, aouthdr_ext->dsize);
460 aouthdr_int->bsize = GET_AOUTHDR_BSIZE (abfd, aouthdr_ext->bsize);
461 aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
462 aouthdr_int->text_start =
463 GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
464 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
465 /* PE32+ does not have data_start member! */
466 aouthdr_int->data_start =
467 GET_AOUTHDR_DATA_START (abfd, aouthdr_ext->data_start);
468 a->BaseOfData = aouthdr_int->data_start;
469 #endif
470
471 a->Magic = aouthdr_int->magic;
472 a->MajorLinkerVersion = H_GET_8 (abfd, aouthdr_ext->vstamp);
473 a->MinorLinkerVersion = H_GET_8 (abfd, aouthdr_ext->vstamp + 1);
474 a->SizeOfCode = aouthdr_int->tsize ;
475 a->SizeOfInitializedData = aouthdr_int->dsize ;
476 a->SizeOfUninitializedData = aouthdr_int->bsize ;
477 a->AddressOfEntryPoint = aouthdr_int->entry;
478 a->BaseOfCode = aouthdr_int->text_start;
479 a->ImageBase = GET_OPTHDR_IMAGE_BASE (abfd, src->ImageBase);
480 a->SectionAlignment = H_GET_32 (abfd, src->SectionAlignment);
481 a->FileAlignment = H_GET_32 (abfd, src->FileAlignment);
482 a->MajorOperatingSystemVersion =
483 H_GET_16 (abfd, src->MajorOperatingSystemVersion);
484 a->MinorOperatingSystemVersion =
485 H_GET_16 (abfd, src->MinorOperatingSystemVersion);
486 a->MajorImageVersion = H_GET_16 (abfd, src->MajorImageVersion);
487 a->MinorImageVersion = H_GET_16 (abfd, src->MinorImageVersion);
488 a->MajorSubsystemVersion = H_GET_16 (abfd, src->MajorSubsystemVersion);
489 a->MinorSubsystemVersion = H_GET_16 (abfd, src->MinorSubsystemVersion);
490 a->Reserved1 = H_GET_32 (abfd, src->Reserved1);
491 a->SizeOfImage = H_GET_32 (abfd, src->SizeOfImage);
492 a->SizeOfHeaders = H_GET_32 (abfd, src->SizeOfHeaders);
493 a->CheckSum = H_GET_32 (abfd, src->CheckSum);
494 a->Subsystem = H_GET_16 (abfd, src->Subsystem);
495 a->DllCharacteristics = H_GET_16 (abfd, src->DllCharacteristics);
496 a->SizeOfStackReserve =
497 GET_OPTHDR_SIZE_OF_STACK_RESERVE (abfd, src->SizeOfStackReserve);
498 a->SizeOfStackCommit =
499 GET_OPTHDR_SIZE_OF_STACK_COMMIT (abfd, src->SizeOfStackCommit);
500 a->SizeOfHeapReserve =
501 GET_OPTHDR_SIZE_OF_HEAP_RESERVE (abfd, src->SizeOfHeapReserve);
502 a->SizeOfHeapCommit =
503 GET_OPTHDR_SIZE_OF_HEAP_COMMIT (abfd, src->SizeOfHeapCommit);
504 a->LoaderFlags = H_GET_32 (abfd, src->LoaderFlags);
505 a->NumberOfRvaAndSizes = H_GET_32 (abfd, src->NumberOfRvaAndSizes);
506
507 {
508 int idx;
509
510 for (idx = 0; idx < a->NumberOfRvaAndSizes; idx++)
511 {
512 /* If data directory is empty, rva also should be 0. */
513 int size =
514 H_GET_32 (abfd, src->DataDirectory[idx][1]);
515
516 a->DataDirectory[idx].Size = size;
517
518 if (size)
519 a->DataDirectory[idx].VirtualAddress =
520 H_GET_32 (abfd, src->DataDirectory[idx][0]);
521 else
522 a->DataDirectory[idx].VirtualAddress = 0;
523 }
524 }
525
526 if (aouthdr_int->entry)
527 {
528 aouthdr_int->entry += a->ImageBase;
529 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
530 aouthdr_int->entry &= 0xffffffff;
531 #endif
532 }
533
534 if (aouthdr_int->tsize)
535 {
536 aouthdr_int->text_start += a->ImageBase;
537 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
538 aouthdr_int->text_start &= 0xffffffff;
539 #endif
540 }
541
542 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
543 /* PE32+ does not have data_start member! */
544 if (aouthdr_int->dsize)
545 {
546 aouthdr_int->data_start += a->ImageBase;
547 aouthdr_int->data_start &= 0xffffffff;
548 }
549 #endif
550
551 #ifdef POWERPC_LE_PE
552 /* These three fields are normally set up by ppc_relocate_section.
553 In the case of reading a file in, we can pick them up from the
554 DataDirectory. */
555 first_thunk_address = a->DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress;
556 thunk_size = a->DataDirectory[PE_IMPORT_ADDRESS_TABLE].Size;
557 import_table_size = a->DataDirectory[PE_IMPORT_TABLE].Size;
558 #endif
559 }
560
561 /* A support function for below. */
562
563 static void
564 add_data_entry (bfd * abfd,
565 struct internal_extra_pe_aouthdr *aout,
566 int idx,
567 char *name,
568 bfd_vma base)
569 {
570 asection *sec = bfd_get_section_by_name (abfd, name);
571
572 /* Add import directory information if it exists. */
573 if ((sec != NULL)
574 && (coff_section_data (abfd, sec) != NULL)
575 && (pei_section_data (abfd, sec) != NULL))
576 {
577 /* If data directory is empty, rva also should be 0. */
578 int size = pei_section_data (abfd, sec)->virt_size;
579 aout->DataDirectory[idx].Size = size;
580
581 if (size)
582 {
583 aout->DataDirectory[idx].VirtualAddress =
584 (sec->vma - base) & 0xffffffff;
585 sec->flags |= SEC_DATA;
586 }
587 }
588 }
589
590 unsigned int
591 _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
592 {
593 struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *) in;
594 pe_data_type *pe = pe_data (abfd);
595 struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
596 PEAOUTHDR *aouthdr_out = (PEAOUTHDR *) out;
597 bfd_vma sa, fa, ib;
598 IMAGE_DATA_DIRECTORY idata2, idata5, tls;
599
600 sa = extra->SectionAlignment;
601 fa = extra->FileAlignment;
602 ib = extra->ImageBase;
603
604 idata2 = pe->pe_opthdr.DataDirectory[PE_IMPORT_TABLE];
605 idata5 = pe->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE];
606 tls = pe->pe_opthdr.DataDirectory[PE_TLS_TABLE];
607
608 if (aouthdr_in->tsize)
609 {
610 aouthdr_in->text_start -= ib;
611 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
612 aouthdr_in->text_start &= 0xffffffff;
613 #endif
614 }
615
616 if (aouthdr_in->dsize)
617 {
618 aouthdr_in->data_start -= ib;
619 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
620 aouthdr_in->data_start &= 0xffffffff;
621 #endif
622 }
623
624 if (aouthdr_in->entry)
625 {
626 aouthdr_in->entry -= ib;
627 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
628 aouthdr_in->entry &= 0xffffffff;
629 #endif
630 }
631
632 #define FA(x) (((x) + fa -1 ) & (- fa))
633 #define SA(x) (((x) + sa -1 ) & (- sa))
634
635 /* We like to have the sizes aligned. */
636 aouthdr_in->bsize = FA (aouthdr_in->bsize);
637
638 extra->NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
639
640 add_data_entry (abfd, extra, 0, ".edata", ib);
641 add_data_entry (abfd, extra, 2, ".rsrc", ib);
642 add_data_entry (abfd, extra, 3, ".pdata", ib);
643
644 /* In theory we do not need to call add_data_entry for .idata$2 or
645 .idata$5. It will be done in bfd_coff_final_link where all the
646 required information is available. If however, we are not going
647 to perform a final link, eg because we have been invoked by objcopy
648 or strip, then we need to make sure that these Data Directory
649 entries are initialised properly.
650
651 So - we copy the input values into the output values, and then, if
652 a final link is going to be performed, it can overwrite them. */
653 extra->DataDirectory[PE_IMPORT_TABLE] = idata2;
654 extra->DataDirectory[PE_IMPORT_ADDRESS_TABLE] = idata5;
655 extra->DataDirectory[PE_TLS_TABLE] = tls;
656
657 if (extra->DataDirectory[PE_IMPORT_TABLE].VirtualAddress == 0)
658 /* Until other .idata fixes are made (pending patch), the entry for
659 .idata is needed for backwards compatibility. FIXME. */
660 add_data_entry (abfd, extra, 1, ".idata", ib);
661
662 /* For some reason, the virtual size (which is what's set by
663 add_data_entry) for .reloc is not the same as the size recorded
664 in this slot by MSVC; it doesn't seem to cause problems (so far),
665 but since it's the best we've got, use it. It does do the right
666 thing for .pdata. */
667 if (pe->has_reloc_section)
668 add_data_entry (abfd, extra, 5, ".reloc", ib);
669
670 {
671 asection *sec;
672 bfd_vma hsize = 0;
673 bfd_vma dsize = 0;
674 bfd_vma isize = 0;
675 bfd_vma tsize = 0;
676
677 for (sec = abfd->sections; sec; sec = sec->next)
678 {
679 int rounded = FA (sec->size);
680
681 /* The first non-zero section filepos is the header size.
682 Sections without contents will have a filepos of 0. */
683 if (hsize == 0)
684 hsize = sec->filepos;
685 if (sec->flags & SEC_DATA)
686 dsize += rounded;
687 if (sec->flags & SEC_CODE)
688 tsize += rounded;
689 /* The image size is the total VIRTUAL size (which is what is
690 in the virt_size field). Files have been seen (from MSVC
691 5.0 link.exe) where the file size of the .data segment is
692 quite small compared to the virtual size. Without this
693 fix, strip munges the file.
694
695 FIXME: We need to handle holes between sections, which may
696 happpen when we covert from another format. We just use
697 the virtual address and virtual size of the last section
698 for the image size. */
699 if (coff_section_data (abfd, sec) != NULL
700 && pei_section_data (abfd, sec) != NULL)
701 isize = (sec->vma - extra->ImageBase
702 + SA (FA (pei_section_data (abfd, sec)->virt_size)));
703 }
704
705 aouthdr_in->dsize = dsize;
706 aouthdr_in->tsize = tsize;
707 extra->SizeOfHeaders = hsize;
708 extra->SizeOfImage = isize;
709 }
710
711 H_PUT_16 (abfd, aouthdr_in->magic, aouthdr_out->standard.magic);
712
713 /* e.g. 219510000 is linker version 2.19 */
714 #define LINKER_VERSION ((short) (BFD_VERSION / 1000000))
715
716 /* This piece of magic sets the "linker version" field to
717 LINKER_VERSION. */
718 H_PUT_16 (abfd, (LINKER_VERSION / 100 + (LINKER_VERSION % 100) * 256),
719 aouthdr_out->standard.vstamp);
720
721 PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, aouthdr_out->standard.tsize);
722 PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, aouthdr_out->standard.dsize);
723 PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, aouthdr_out->standard.bsize);
724 PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, aouthdr_out->standard.entry);
725 PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
726 aouthdr_out->standard.text_start);
727
728 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
729 /* PE32+ does not have data_start member! */
730 PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
731 aouthdr_out->standard.data_start);
732 #endif
733
734 PUT_OPTHDR_IMAGE_BASE (abfd, extra->ImageBase, aouthdr_out->ImageBase);
735 H_PUT_32 (abfd, extra->SectionAlignment, aouthdr_out->SectionAlignment);
736 H_PUT_32 (abfd, extra->FileAlignment, aouthdr_out->FileAlignment);
737 H_PUT_16 (abfd, extra->MajorOperatingSystemVersion,
738 aouthdr_out->MajorOperatingSystemVersion);
739 H_PUT_16 (abfd, extra->MinorOperatingSystemVersion,
740 aouthdr_out->MinorOperatingSystemVersion);
741 H_PUT_16 (abfd, extra->MajorImageVersion, aouthdr_out->MajorImageVersion);
742 H_PUT_16 (abfd, extra->MinorImageVersion, aouthdr_out->MinorImageVersion);
743 H_PUT_16 (abfd, extra->MajorSubsystemVersion,
744 aouthdr_out->MajorSubsystemVersion);
745 H_PUT_16 (abfd, extra->MinorSubsystemVersion,
746 aouthdr_out->MinorSubsystemVersion);
747 H_PUT_32 (abfd, extra->Reserved1, aouthdr_out->Reserved1);
748 H_PUT_32 (abfd, extra->SizeOfImage, aouthdr_out->SizeOfImage);
749 H_PUT_32 (abfd, extra->SizeOfHeaders, aouthdr_out->SizeOfHeaders);
750 H_PUT_32 (abfd, extra->CheckSum, aouthdr_out->CheckSum);
751 H_PUT_16 (abfd, extra->Subsystem, aouthdr_out->Subsystem);
752 H_PUT_16 (abfd, extra->DllCharacteristics, aouthdr_out->DllCharacteristics);
753 PUT_OPTHDR_SIZE_OF_STACK_RESERVE (abfd, extra->SizeOfStackReserve,
754 aouthdr_out->SizeOfStackReserve);
755 PUT_OPTHDR_SIZE_OF_STACK_COMMIT (abfd, extra->SizeOfStackCommit,
756 aouthdr_out->SizeOfStackCommit);
757 PUT_OPTHDR_SIZE_OF_HEAP_RESERVE (abfd, extra->SizeOfHeapReserve,
758 aouthdr_out->SizeOfHeapReserve);
759 PUT_OPTHDR_SIZE_OF_HEAP_COMMIT (abfd, extra->SizeOfHeapCommit,
760 aouthdr_out->SizeOfHeapCommit);
761 H_PUT_32 (abfd, extra->LoaderFlags, aouthdr_out->LoaderFlags);
762 H_PUT_32 (abfd, extra->NumberOfRvaAndSizes,
763 aouthdr_out->NumberOfRvaAndSizes);
764 {
765 int idx;
766
767 for (idx = 0; idx < 16; idx++)
768 {
769 H_PUT_32 (abfd, extra->DataDirectory[idx].VirtualAddress,
770 aouthdr_out->DataDirectory[idx][0]);
771 H_PUT_32 (abfd, extra->DataDirectory[idx].Size,
772 aouthdr_out->DataDirectory[idx][1]);
773 }
774 }
775
776 return AOUTSZ;
777 }
778
779 unsigned int
780 _bfd_XXi_only_swap_filehdr_out (bfd * abfd, void * in, void * out)
781 {
782 int idx;
783 struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
784 struct external_PEI_filehdr *filehdr_out = (struct external_PEI_filehdr *) out;
785
786 if (pe_data (abfd)->has_reloc_section
787 || pe_data (abfd)->dont_strip_reloc)
788 filehdr_in->f_flags &= ~F_RELFLG;
789
790 if (pe_data (abfd)->dll)
791 filehdr_in->f_flags |= F_DLL;
792
793 filehdr_in->pe.e_magic = DOSMAGIC;
794 filehdr_in->pe.e_cblp = 0x90;
795 filehdr_in->pe.e_cp = 0x3;
796 filehdr_in->pe.e_crlc = 0x0;
797 filehdr_in->pe.e_cparhdr = 0x4;
798 filehdr_in->pe.e_minalloc = 0x0;
799 filehdr_in->pe.e_maxalloc = 0xffff;
800 filehdr_in->pe.e_ss = 0x0;
801 filehdr_in->pe.e_sp = 0xb8;
802 filehdr_in->pe.e_csum = 0x0;
803 filehdr_in->pe.e_ip = 0x0;
804 filehdr_in->pe.e_cs = 0x0;
805 filehdr_in->pe.e_lfarlc = 0x40;
806 filehdr_in->pe.e_ovno = 0x0;
807
808 for (idx = 0; idx < 4; idx++)
809 filehdr_in->pe.e_res[idx] = 0x0;
810
811 filehdr_in->pe.e_oemid = 0x0;
812 filehdr_in->pe.e_oeminfo = 0x0;
813
814 for (idx = 0; idx < 10; idx++)
815 filehdr_in->pe.e_res2[idx] = 0x0;
816
817 filehdr_in->pe.e_lfanew = 0x80;
818
819 /* This next collection of data are mostly just characters. It
820 appears to be constant within the headers put on NT exes. */
821 filehdr_in->pe.dos_message[0] = 0x0eba1f0e;
822 filehdr_in->pe.dos_message[1] = 0xcd09b400;
823 filehdr_in->pe.dos_message[2] = 0x4c01b821;
824 filehdr_in->pe.dos_message[3] = 0x685421cd;
825 filehdr_in->pe.dos_message[4] = 0x70207369;
826 filehdr_in->pe.dos_message[5] = 0x72676f72;
827 filehdr_in->pe.dos_message[6] = 0x63206d61;
828 filehdr_in->pe.dos_message[7] = 0x6f6e6e61;
829 filehdr_in->pe.dos_message[8] = 0x65622074;
830 filehdr_in->pe.dos_message[9] = 0x6e757220;
831 filehdr_in->pe.dos_message[10] = 0x206e6920;
832 filehdr_in->pe.dos_message[11] = 0x20534f44;
833 filehdr_in->pe.dos_message[12] = 0x65646f6d;
834 filehdr_in->pe.dos_message[13] = 0x0a0d0d2e;
835 filehdr_in->pe.dos_message[14] = 0x24;
836 filehdr_in->pe.dos_message[15] = 0x0;
837 filehdr_in->pe.nt_signature = NT_SIGNATURE;
838
839 H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic);
840 H_PUT_16 (abfd, filehdr_in->f_nscns, filehdr_out->f_nscns);
841
842 /* Only use a real timestamp if the option was chosen. */
843 if ((pe_data (abfd)->insert_timestamp))
844 H_PUT_32 (abfd, time (0), filehdr_out->f_timdat);
845
846 PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr,
847 filehdr_out->f_symptr);
848 H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms);
849 H_PUT_16 (abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr);
850 H_PUT_16 (abfd, filehdr_in->f_flags, filehdr_out->f_flags);
851
852 /* Put in extra dos header stuff. This data remains essentially
853 constant, it just has to be tacked on to the beginning of all exes
854 for NT. */
855 H_PUT_16 (abfd, filehdr_in->pe.e_magic, filehdr_out->e_magic);
856 H_PUT_16 (abfd, filehdr_in->pe.e_cblp, filehdr_out->e_cblp);
857 H_PUT_16 (abfd, filehdr_in->pe.e_cp, filehdr_out->e_cp);
858 H_PUT_16 (abfd, filehdr_in->pe.e_crlc, filehdr_out->e_crlc);
859 H_PUT_16 (abfd, filehdr_in->pe.e_cparhdr, filehdr_out->e_cparhdr);
860 H_PUT_16 (abfd, filehdr_in->pe.e_minalloc, filehdr_out->e_minalloc);
861 H_PUT_16 (abfd, filehdr_in->pe.e_maxalloc, filehdr_out->e_maxalloc);
862 H_PUT_16 (abfd, filehdr_in->pe.e_ss, filehdr_out->e_ss);
863 H_PUT_16 (abfd, filehdr_in->pe.e_sp, filehdr_out->e_sp);
864 H_PUT_16 (abfd, filehdr_in->pe.e_csum, filehdr_out->e_csum);
865 H_PUT_16 (abfd, filehdr_in->pe.e_ip, filehdr_out->e_ip);
866 H_PUT_16 (abfd, filehdr_in->pe.e_cs, filehdr_out->e_cs);
867 H_PUT_16 (abfd, filehdr_in->pe.e_lfarlc, filehdr_out->e_lfarlc);
868 H_PUT_16 (abfd, filehdr_in->pe.e_ovno, filehdr_out->e_ovno);
869
870 for (idx = 0; idx < 4; idx++)
871 H_PUT_16 (abfd, filehdr_in->pe.e_res[idx], filehdr_out->e_res[idx]);
872
873 H_PUT_16 (abfd, filehdr_in->pe.e_oemid, filehdr_out->e_oemid);
874 H_PUT_16 (abfd, filehdr_in->pe.e_oeminfo, filehdr_out->e_oeminfo);
875
876 for (idx = 0; idx < 10; idx++)
877 H_PUT_16 (abfd, filehdr_in->pe.e_res2[idx], filehdr_out->e_res2[idx]);
878
879 H_PUT_32 (abfd, filehdr_in->pe.e_lfanew, filehdr_out->e_lfanew);
880
881 for (idx = 0; idx < 16; idx++)
882 H_PUT_32 (abfd, filehdr_in->pe.dos_message[idx],
883 filehdr_out->dos_message[idx]);
884
885 /* Also put in the NT signature. */
886 H_PUT_32 (abfd, filehdr_in->pe.nt_signature, filehdr_out->nt_signature);
887
888 return FILHSZ;
889 }
890
891 unsigned int
892 _bfd_XX_only_swap_filehdr_out (bfd * abfd, void * in, void * out)
893 {
894 struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
895 FILHDR *filehdr_out = (FILHDR *) out;
896
897 H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic);
898 H_PUT_16 (abfd, filehdr_in->f_nscns, filehdr_out->f_nscns);
899 H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->f_timdat);
900 PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, filehdr_out->f_symptr);
901 H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms);
902 H_PUT_16 (abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr);
903 H_PUT_16 (abfd, filehdr_in->f_flags, filehdr_out->f_flags);
904
905 return FILHSZ;
906 }
907
908 unsigned int
909 _bfd_XXi_swap_scnhdr_out (bfd * abfd, void * in, void * out)
910 {
911 struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
912 SCNHDR *scnhdr_ext = (SCNHDR *) out;
913 unsigned int ret = SCNHSZ;
914 bfd_vma ps;
915 bfd_vma ss;
916
917 memcpy (scnhdr_ext->s_name, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
918
919 PUT_SCNHDR_VADDR (abfd,
920 ((scnhdr_int->s_vaddr
921 - pe_data (abfd)->pe_opthdr.ImageBase)
922 & 0xffffffff),
923 scnhdr_ext->s_vaddr);
924
925 /* NT wants the size data to be rounded up to the next
926 NT_FILE_ALIGNMENT, but zero if it has no content (as in .bss,
927 sometimes). */
928 if ((scnhdr_int->s_flags & IMAGE_SCN_CNT_UNINITIALIZED_DATA) != 0)
929 {
930 if (bfd_pei_p (abfd))
931 {
932 ps = scnhdr_int->s_size;
933 ss = 0;
934 }
935 else
936 {
937 ps = 0;
938 ss = scnhdr_int->s_size;
939 }
940 }
941 else
942 {
943 if (bfd_pei_p (abfd))
944 ps = scnhdr_int->s_paddr;
945 else
946 ps = 0;
947
948 ss = scnhdr_int->s_size;
949 }
950
951 PUT_SCNHDR_SIZE (abfd, ss,
952 scnhdr_ext->s_size);
953
954 /* s_paddr in PE is really the virtual size. */
955 PUT_SCNHDR_PADDR (abfd, ps, scnhdr_ext->s_paddr);
956
957 PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr,
958 scnhdr_ext->s_scnptr);
959 PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr,
960 scnhdr_ext->s_relptr);
961 PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr,
962 scnhdr_ext->s_lnnoptr);
963
964 {
965 /* Extra flags must be set when dealing with PE. All sections should also
966 have the IMAGE_SCN_MEM_READ (0x40000000) flag set. In addition, the
967 .text section must have IMAGE_SCN_MEM_EXECUTE (0x20000000) and the data
968 sections (.idata, .data, .bss, .CRT) must have IMAGE_SCN_MEM_WRITE set
969 (this is especially important when dealing with the .idata section since
970 the addresses for routines from .dlls must be overwritten). If .reloc
971 section data is ever generated, we must add IMAGE_SCN_MEM_DISCARDABLE
972 (0x02000000). Also, the resource data should also be read and
973 writable. */
974
975 /* FIXME: Alignment is also encoded in this field, at least on PPC and
976 ARM-WINCE. Although - how do we get the original alignment field
977 back ? */
978
979 typedef struct
980 {
981 const char * section_name;
982 unsigned long must_have;
983 }
984 pe_required_section_flags;
985
986 pe_required_section_flags known_sections [] =
987 {
988 { ".arch", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE | IMAGE_SCN_ALIGN_8BYTES },
989 { ".bss", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_WRITE },
990 { ".data", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE },
991 { ".edata", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA },
992 { ".idata", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE },
993 { ".pdata", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA },
994 { ".rdata", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA },
995 { ".reloc", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE },
996 { ".rsrc", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE },
997 { ".text" , IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE },
998 { ".tls", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_WRITE },
999 { ".xdata", IMAGE_SCN_MEM_READ | IMAGE_SCN_CNT_INITIALIZED_DATA },
1000 { NULL, 0}
1001 };
1002
1003 pe_required_section_flags * p;
1004
1005 /* We have defaulted to adding the IMAGE_SCN_MEM_WRITE flag, but now
1006 we know exactly what this specific section wants so we remove it
1007 and then allow the must_have field to add it back in if necessary.
1008 However, we don't remove IMAGE_SCN_MEM_WRITE flag from .text if the
1009 default WP_TEXT file flag has been cleared. WP_TEXT may be cleared
1010 by ld --enable-auto-import (if auto-import is actually needed),
1011 by ld --omagic, or by obcopy --writable-text. */
1012
1013 for (p = known_sections; p->section_name; p++)
1014 if (strcmp (scnhdr_int->s_name, p->section_name) == 0)
1015 {
1016 if (strcmp (scnhdr_int->s_name, ".text")
1017 || (bfd_get_file_flags (abfd) & WP_TEXT))
1018 scnhdr_int->s_flags &= ~IMAGE_SCN_MEM_WRITE;
1019 scnhdr_int->s_flags |= p->must_have;
1020 break;
1021 }
1022
1023 H_PUT_32 (abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags);
1024 }
1025
1026 if (coff_data (abfd)->link_info
1027 && ! coff_data (abfd)->link_info->relocatable
1028 && ! coff_data (abfd)->link_info->shared
1029 && strcmp (scnhdr_int->s_name, ".text") == 0)
1030 {
1031 /* By inference from looking at MS output, the 32 bit field
1032 which is the combination of the number_of_relocs and
1033 number_of_linenos is used for the line number count in
1034 executables. A 16-bit field won't do for cc1. The MS
1035 document says that the number of relocs is zero for
1036 executables, but the 17-th bit has been observed to be there.
1037 Overflow is not an issue: a 4G-line program will overflow a
1038 bunch of other fields long before this! */
1039 H_PUT_16 (abfd, (scnhdr_int->s_nlnno & 0xffff), scnhdr_ext->s_nlnno);
1040 H_PUT_16 (abfd, (scnhdr_int->s_nlnno >> 16), scnhdr_ext->s_nreloc);
1041 }
1042 else
1043 {
1044 if (scnhdr_int->s_nlnno <= 0xffff)
1045 H_PUT_16 (abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno);
1046 else
1047 {
1048 (*_bfd_error_handler) (_("%s: line number overflow: 0x%lx > 0xffff"),
1049 bfd_get_filename (abfd),
1050 scnhdr_int->s_nlnno);
1051 bfd_set_error (bfd_error_file_truncated);
1052 H_PUT_16 (abfd, 0xffff, scnhdr_ext->s_nlnno);
1053 ret = 0;
1054 }
1055
1056 /* Although we could encode 0xffff relocs here, we do not, to be
1057 consistent with other parts of bfd. Also it lets us warn, as
1058 we should never see 0xffff here w/o having the overflow flag
1059 set. */
1060 if (scnhdr_int->s_nreloc < 0xffff)
1061 H_PUT_16 (abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc);
1062 else
1063 {
1064 /* PE can deal with large #s of relocs, but not here. */
1065 H_PUT_16 (abfd, 0xffff, scnhdr_ext->s_nreloc);
1066 scnhdr_int->s_flags |= IMAGE_SCN_LNK_NRELOC_OVFL;
1067 H_PUT_32 (abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags);
1068 }
1069 }
1070 return ret;
1071 }
1072
1073 void
1074 _bfd_XXi_swap_debugdir_in (bfd * abfd, void * ext1, void * in1)
1075 {
1076 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *) ext1;
1077 struct internal_IMAGE_DEBUG_DIRECTORY *in = (struct internal_IMAGE_DEBUG_DIRECTORY *) in1;
1078
1079 in->Characteristics = H_GET_32(abfd, ext->Characteristics);
1080 in->TimeDateStamp = H_GET_32(abfd, ext->TimeDateStamp);
1081 in->MajorVersion = H_GET_16(abfd, ext->MajorVersion);
1082 in->MinorVersion = H_GET_16(abfd, ext->MinorVersion);
1083 in->Type = H_GET_32(abfd, ext->Type);
1084 in->SizeOfData = H_GET_32(abfd, ext->SizeOfData);
1085 in->AddressOfRawData = H_GET_32(abfd, ext->AddressOfRawData);
1086 in->PointerToRawData = H_GET_32(abfd, ext->PointerToRawData);
1087 }
1088
1089 unsigned int
1090 _bfd_XXi_swap_debugdir_out (bfd * abfd, void * inp, void * extp)
1091 {
1092 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *) extp;
1093 struct internal_IMAGE_DEBUG_DIRECTORY *in = (struct internal_IMAGE_DEBUG_DIRECTORY *) inp;
1094
1095 H_PUT_32(abfd, in->Characteristics, ext->Characteristics);
1096 H_PUT_32(abfd, in->TimeDateStamp, ext->TimeDateStamp);
1097 H_PUT_16(abfd, in->MajorVersion, ext->MajorVersion);
1098 H_PUT_16(abfd, in->MinorVersion, ext->MinorVersion);
1099 H_PUT_32(abfd, in->Type, ext->Type);
1100 H_PUT_32(abfd, in->SizeOfData, ext->SizeOfData);
1101 H_PUT_32(abfd, in->AddressOfRawData, ext->AddressOfRawData);
1102 H_PUT_32(abfd, in->PointerToRawData, ext->PointerToRawData);
1103
1104 return sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1105 }
1106
1107 static CODEVIEW_INFO *
1108 _bfd_XXi_slurp_codeview_record (bfd * abfd, file_ptr where, unsigned long length, CODEVIEW_INFO *cvinfo)
1109 {
1110 char buffer[256+1];
1111
1112 if (bfd_seek (abfd, where, SEEK_SET) != 0)
1113 return NULL;
1114
1115 if (bfd_bread (buffer, 256, abfd) < 4)
1116 return NULL;
1117
1118 /* ensure null termination of filename */
1119 buffer[256] = '\0';
1120
1121 cvinfo->CVSignature = H_GET_32(abfd, buffer);
1122 cvinfo->Age = 0;
1123
1124 if ((cvinfo->CVSignature == CVINFO_PDB70_CVSIGNATURE)
1125 && (length > sizeof (CV_INFO_PDB70)))
1126 {
1127 CV_INFO_PDB70 *cvinfo70 = (CV_INFO_PDB70 *)(buffer);
1128
1129 cvinfo->Age = H_GET_32(abfd, cvinfo70->Age);
1130 memcpy (cvinfo->Signature, cvinfo70->Signature, CV_INFO_SIGNATURE_LENGTH);
1131 cvinfo->SignatureLength = CV_INFO_SIGNATURE_LENGTH;
1132 // cvinfo->PdbFileName = cvinfo70->PdbFileName;
1133
1134 return cvinfo;
1135 }
1136 else if ((cvinfo->CVSignature == CVINFO_PDB20_CVSIGNATURE)
1137 && (length > sizeof (CV_INFO_PDB20)))
1138 {
1139 CV_INFO_PDB20 *cvinfo20 = (CV_INFO_PDB20 *)(buffer);
1140 cvinfo->Age = H_GET_32(abfd, cvinfo20->Age);
1141 memcpy (cvinfo->Signature, cvinfo20->Signature, 4);
1142 cvinfo->SignatureLength = 4;
1143 // cvinfo->PdbFileName = cvinfo20->PdbFileName;
1144
1145 return cvinfo;
1146 }
1147
1148 return NULL;
1149 }
1150
1151 unsigned int
1152 _bfd_XXi_write_codeview_record (bfd * abfd, file_ptr where, CODEVIEW_INFO *cvinfo)
1153 {
1154 unsigned int size = sizeof (CV_INFO_PDB70) + 1;
1155 CV_INFO_PDB70 *cvinfo70;
1156 char buffer[size];
1157
1158 if (bfd_seek (abfd, where, SEEK_SET) != 0)
1159 return 0;
1160
1161 cvinfo70 = (CV_INFO_PDB70 *) buffer;
1162 H_PUT_32 (abfd, CVINFO_PDB70_CVSIGNATURE, cvinfo70->CvSignature);
1163 memcpy (&(cvinfo70->Signature), cvinfo->Signature, CV_INFO_SIGNATURE_LENGTH);
1164 H_PUT_32 (abfd, cvinfo->Age, cvinfo70->Age);
1165 cvinfo70->PdbFileName[0] = '\0';
1166
1167 if (bfd_bwrite (buffer, size, abfd) != size)
1168 return 0;
1169
1170 return size;
1171 }
1172
1173 static char * dir_names[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] =
1174 {
1175 N_("Export Directory [.edata (or where ever we found it)]"),
1176 N_("Import Directory [parts of .idata]"),
1177 N_("Resource Directory [.rsrc]"),
1178 N_("Exception Directory [.pdata]"),
1179 N_("Security Directory"),
1180 N_("Base Relocation Directory [.reloc]"),
1181 N_("Debug Directory"),
1182 N_("Description Directory"),
1183 N_("Special Directory"),
1184 N_("Thread Storage Directory [.tls]"),
1185 N_("Load Configuration Directory"),
1186 N_("Bound Import Directory"),
1187 N_("Import Address Table Directory"),
1188 N_("Delay Import Directory"),
1189 N_("CLR Runtime Header"),
1190 N_("Reserved")
1191 };
1192
1193 #ifdef POWERPC_LE_PE
1194 /* The code for the PPC really falls in the "architecture dependent"
1195 category. However, it's not clear that anyone will ever care, so
1196 we're ignoring the issue for now; if/when PPC matters, some of this
1197 may need to go into peicode.h, or arguments passed to enable the
1198 PPC- specific code. */
1199 #endif
1200
1201 static bfd_boolean
1202 pe_print_idata (bfd * abfd, void * vfile)
1203 {
1204 FILE *file = (FILE *) vfile;
1205 bfd_byte *data;
1206 asection *section;
1207 bfd_signed_vma adj;
1208
1209 #ifdef POWERPC_LE_PE
1210 asection *rel_section = bfd_get_section_by_name (abfd, ".reldata");
1211 #endif
1212
1213 bfd_size_type datasize = 0;
1214 bfd_size_type dataoff;
1215 bfd_size_type i;
1216 int onaline = 20;
1217
1218 pe_data_type *pe = pe_data (abfd);
1219 struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
1220
1221 bfd_vma addr;
1222
1223 addr = extra->DataDirectory[PE_IMPORT_TABLE].VirtualAddress;
1224
1225 if (addr == 0 && extra->DataDirectory[PE_IMPORT_TABLE].Size == 0)
1226 {
1227 /* Maybe the extra header isn't there. Look for the section. */
1228 section = bfd_get_section_by_name (abfd, ".idata");
1229 if (section == NULL)
1230 return TRUE;
1231
1232 addr = section->vma;
1233 datasize = section->size;
1234 if (datasize == 0)
1235 return TRUE;
1236 }
1237 else
1238 {
1239 addr += extra->ImageBase;
1240 for (section = abfd->sections; section != NULL; section = section->next)
1241 {
1242 datasize = section->size;
1243 if (addr >= section->vma && addr < section->vma + datasize)
1244 break;
1245 }
1246
1247 if (section == NULL)
1248 {
1249 fprintf (file,
1250 _("\nThere is an import table, but the section containing it could not be found\n"));
1251 return TRUE;
1252 }
1253 else if (!(section->flags & SEC_HAS_CONTENTS))
1254 {
1255 fprintf (file,
1256 _("\nThere is an import table in %s, but that section has no contents\n"),
1257 section->name);
1258 return TRUE;
1259 }
1260 }
1261
1262 fprintf (file, _("\nThere is an import table in %s at 0x%lx\n"),
1263 section->name, (unsigned long) addr);
1264
1265 dataoff = addr - section->vma;
1266
1267 #ifdef POWERPC_LE_PE
1268 if (rel_section != 0 && rel_section->size != 0)
1269 {
1270 /* The toc address can be found by taking the starting address,
1271 which on the PPC locates a function descriptor. The
1272 descriptor consists of the function code starting address
1273 followed by the address of the toc. The starting address we
1274 get from the bfd, and the descriptor is supposed to be in the
1275 .reldata section. */
1276
1277 bfd_vma loadable_toc_address;
1278 bfd_vma toc_address;
1279 bfd_vma start_address;
1280 bfd_byte *data;
1281 bfd_vma offset;
1282
1283 if (!bfd_malloc_and_get_section (abfd, rel_section, &data))
1284 {
1285 if (data != NULL)
1286 free (data);
1287 return FALSE;
1288 }
1289
1290 offset = abfd->start_address - rel_section->vma;
1291
1292 if (offset >= rel_section->size || offset + 8 > rel_section->size)
1293 {
1294 if (data != NULL)
1295 free (data);
1296 return FALSE;
1297 }
1298
1299 start_address = bfd_get_32 (abfd, data + offset);
1300 loadable_toc_address = bfd_get_32 (abfd, data + offset + 4);
1301 toc_address = loadable_toc_address - 32768;
1302
1303 fprintf (file,
1304 _("\nFunction descriptor located at the start address: %04lx\n"),
1305 (unsigned long int) (abfd->start_address));
1306 fprintf (file,
1307 _("\tcode-base %08lx toc (loadable/actual) %08lx/%08lx\n"),
1308 start_address, loadable_toc_address, toc_address);
1309 if (data != NULL)
1310 free (data);
1311 }
1312 else
1313 {
1314 fprintf (file,
1315 _("\nNo reldata section! Function descriptor not decoded.\n"));
1316 }
1317 #endif
1318
1319 fprintf (file,
1320 _("\nThe Import Tables (interpreted %s section contents)\n"),
1321 section->name);
1322 fprintf (file,
1323 _("\
1324 vma: Hint Time Forward DLL First\n\
1325 Table Stamp Chain Name Thunk\n"));
1326
1327 /* Read the whole section. Some of the fields might be before dataoff. */
1328 if (!bfd_malloc_and_get_section (abfd, section, &data))
1329 {
1330 if (data != NULL)
1331 free (data);
1332 return FALSE;
1333 }
1334
1335 adj = section->vma - extra->ImageBase;
1336
1337 /* Print all image import descriptors. */
1338 for (i = dataoff; i + onaline <= datasize; i += onaline)
1339 {
1340 bfd_vma hint_addr;
1341 bfd_vma time_stamp;
1342 bfd_vma forward_chain;
1343 bfd_vma dll_name;
1344 bfd_vma first_thunk;
1345 int idx = 0;
1346 bfd_size_type j;
1347 char *dll;
1348
1349 /* Print (i + extra->DataDirectory[PE_IMPORT_TABLE].VirtualAddress). */
1350 fprintf (file, " %08lx\t", (unsigned long) (i + adj));
1351 hint_addr = bfd_get_32 (abfd, data + i);
1352 time_stamp = bfd_get_32 (abfd, data + i + 4);
1353 forward_chain = bfd_get_32 (abfd, data + i + 8);
1354 dll_name = bfd_get_32 (abfd, data + i + 12);
1355 first_thunk = bfd_get_32 (abfd, data + i + 16);
1356
1357 fprintf (file, "%08lx %08lx %08lx %08lx %08lx\n",
1358 (unsigned long) hint_addr,
1359 (unsigned long) time_stamp,
1360 (unsigned long) forward_chain,
1361 (unsigned long) dll_name,
1362 (unsigned long) first_thunk);
1363
1364 if (hint_addr == 0 && first_thunk == 0)
1365 break;
1366
1367 if (dll_name - adj >= section->size)
1368 break;
1369
1370 dll = (char *) data + dll_name - adj;
1371 fprintf (file, _("\n\tDLL Name: %s\n"), dll);
1372
1373 if (hint_addr != 0)
1374 {
1375 bfd_byte *ft_data;
1376 asection *ft_section;
1377 bfd_vma ft_addr;
1378 bfd_size_type ft_datasize;
1379 int ft_idx;
1380 int ft_allocated;
1381
1382 fprintf (file, _("\tvma: Hint/Ord Member-Name Bound-To\n"));
1383
1384 idx = hint_addr - adj;
1385
1386 ft_addr = first_thunk + extra->ImageBase;
1387 ft_idx = first_thunk - adj;
1388 ft_data = data + ft_idx;
1389 ft_datasize = datasize - ft_idx;
1390 ft_allocated = 0;
1391
1392 if (first_thunk != hint_addr)
1393 {
1394 /* Find the section which contains the first thunk. */
1395 for (ft_section = abfd->sections;
1396 ft_section != NULL;
1397 ft_section = ft_section->next)
1398 {
1399 if (ft_addr >= ft_section->vma
1400 && ft_addr < ft_section->vma + ft_section->size)
1401 break;
1402 }
1403
1404 if (ft_section == NULL)
1405 {
1406 fprintf (file,
1407 _("\nThere is a first thunk, but the section containing it could not be found\n"));
1408 continue;
1409 }
1410
1411 /* Now check to see if this section is the same as our current
1412 section. If it is not then we will have to load its data in. */
1413 if (ft_section != section)
1414 {
1415 ft_idx = first_thunk - (ft_section->vma - extra->ImageBase);
1416 ft_datasize = ft_section->size - ft_idx;
1417 ft_data = (bfd_byte *) bfd_malloc (ft_datasize);
1418 if (ft_data == NULL)
1419 continue;
1420
1421 /* Read ft_datasize bytes starting at offset ft_idx. */
1422 if (!bfd_get_section_contents (abfd, ft_section, ft_data,
1423 (bfd_vma) ft_idx, ft_datasize))
1424 {
1425 free (ft_data);
1426 continue;
1427 }
1428 ft_allocated = 1;
1429 }
1430 }
1431
1432 /* Print HintName vector entries. */
1433 #ifdef COFF_WITH_pex64
1434 for (j = 0; idx + j + 8 <= datasize; j += 8)
1435 {
1436 unsigned long member = bfd_get_32 (abfd, data + idx + j);
1437 unsigned long member_high = bfd_get_32 (abfd, data + idx + j + 4);
1438
1439 if (!member && !member_high)
1440 break;
1441
1442 if (HighBitSet (member_high))
1443 fprintf (file, "\t%lx%08lx\t %4lx%08lx <none>",
1444 member_high, member,
1445 WithoutHighBit (member_high), member);
1446 else
1447 {
1448 int ordinal;
1449 char *member_name;
1450
1451 ordinal = bfd_get_16 (abfd, data + member - adj);
1452 member_name = (char *) data + member - adj + 2;
1453 fprintf (file, "\t%04lx\t %4d %s",member, ordinal, member_name);
1454 }
1455
1456 /* If the time stamp is not zero, the import address
1457 table holds actual addresses. */
1458 if (time_stamp != 0
1459 && first_thunk != 0
1460 && first_thunk != hint_addr
1461 && j + 4 <= ft_datasize)
1462 fprintf (file, "\t%04lx",
1463 (unsigned long) bfd_get_32 (abfd, ft_data + j));
1464 fprintf (file, "\n");
1465 }
1466 #else
1467 for (j = 0; idx + j + 4 <= datasize; j += 4)
1468 {
1469 unsigned long member = bfd_get_32 (abfd, data + idx + j);
1470
1471 /* Print single IMAGE_IMPORT_BY_NAME vector. */
1472 if (member == 0)
1473 break;
1474
1475 if (HighBitSet (member))
1476 fprintf (file, "\t%04lx\t %4lu <none>",
1477 member, WithoutHighBit (member));
1478 else
1479 {
1480 int ordinal;
1481 char *member_name;
1482
1483 ordinal = bfd_get_16 (abfd, data + member - adj);
1484 member_name = (char *) data + member - adj + 2;
1485 fprintf (file, "\t%04lx\t %4d %s",
1486 member, ordinal, member_name);
1487 }
1488
1489 /* If the time stamp is not zero, the import address
1490 table holds actual addresses. */
1491 if (time_stamp != 0
1492 && first_thunk != 0
1493 && first_thunk != hint_addr
1494 && j + 4 <= ft_datasize)
1495 fprintf (file, "\t%04lx",
1496 (unsigned long) bfd_get_32 (abfd, ft_data + j));
1497
1498 fprintf (file, "\n");
1499 }
1500 #endif
1501 if (ft_allocated)
1502 free (ft_data);
1503 }
1504
1505 fprintf (file, "\n");
1506 }
1507
1508 free (data);
1509
1510 return TRUE;
1511 }
1512
1513 static bfd_boolean
1514 pe_print_edata (bfd * abfd, void * vfile)
1515 {
1516 FILE *file = (FILE *) vfile;
1517 bfd_byte *data;
1518 asection *section;
1519 bfd_size_type datasize = 0;
1520 bfd_size_type dataoff;
1521 bfd_size_type i;
1522 bfd_vma adj;
1523 struct EDT_type
1524 {
1525 long export_flags; /* Reserved - should be zero. */
1526 long time_stamp;
1527 short major_ver;
1528 short minor_ver;
1529 bfd_vma name; /* RVA - relative to image base. */
1530 long base; /* Ordinal base. */
1531 unsigned long num_functions;/* Number in the export address table. */
1532 unsigned long num_names; /* Number in the name pointer table. */
1533 bfd_vma eat_addr; /* RVA to the export address table. */
1534 bfd_vma npt_addr; /* RVA to the Export Name Pointer Table. */
1535 bfd_vma ot_addr; /* RVA to the Ordinal Table. */
1536 } edt;
1537
1538 pe_data_type *pe = pe_data (abfd);
1539 struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
1540
1541 bfd_vma addr;
1542
1543 addr = extra->DataDirectory[PE_EXPORT_TABLE].VirtualAddress;
1544
1545 if (addr == 0 && extra->DataDirectory[PE_EXPORT_TABLE].Size == 0)
1546 {
1547 /* Maybe the extra header isn't there. Look for the section. */
1548 section = bfd_get_section_by_name (abfd, ".edata");
1549 if (section == NULL)
1550 return TRUE;
1551
1552 addr = section->vma;
1553 dataoff = 0;
1554 datasize = section->size;
1555 if (datasize == 0)
1556 return TRUE;
1557 }
1558 else
1559 {
1560 addr += extra->ImageBase;
1561
1562 for (section = abfd->sections; section != NULL; section = section->next)
1563 if (addr >= section->vma && addr < section->vma + section->size)
1564 break;
1565
1566 if (section == NULL)
1567 {
1568 fprintf (file,
1569 _("\nThere is an export table, but the section containing it could not be found\n"));
1570 return TRUE;
1571 }
1572 else if (!(section->flags & SEC_HAS_CONTENTS))
1573 {
1574 fprintf (file,
1575 _("\nThere is an export table in %s, but that section has no contents\n"),
1576 section->name);
1577 return TRUE;
1578 }
1579
1580 dataoff = addr - section->vma;
1581 datasize = extra->DataDirectory[PE_EXPORT_TABLE].Size;
1582 if (datasize > section->size - dataoff)
1583 {
1584 fprintf (file,
1585 _("\nThere is an export table in %s, but it does not fit into that section\n"),
1586 section->name);
1587 return TRUE;
1588 }
1589 }
1590
1591 fprintf (file, _("\nThere is an export table in %s at 0x%lx\n"),
1592 section->name, (unsigned long) addr);
1593
1594 data = (bfd_byte *) bfd_malloc (datasize);
1595 if (data == NULL)
1596 return FALSE;
1597
1598 if (! bfd_get_section_contents (abfd, section, data,
1599 (file_ptr) dataoff, datasize))
1600 return FALSE;
1601
1602 /* Go get Export Directory Table. */
1603 edt.export_flags = bfd_get_32 (abfd, data + 0);
1604 edt.time_stamp = bfd_get_32 (abfd, data + 4);
1605 edt.major_ver = bfd_get_16 (abfd, data + 8);
1606 edt.minor_ver = bfd_get_16 (abfd, data + 10);
1607 edt.name = bfd_get_32 (abfd, data + 12);
1608 edt.base = bfd_get_32 (abfd, data + 16);
1609 edt.num_functions = bfd_get_32 (abfd, data + 20);
1610 edt.num_names = bfd_get_32 (abfd, data + 24);
1611 edt.eat_addr = bfd_get_32 (abfd, data + 28);
1612 edt.npt_addr = bfd_get_32 (abfd, data + 32);
1613 edt.ot_addr = bfd_get_32 (abfd, data + 36);
1614
1615 adj = section->vma - extra->ImageBase + dataoff;
1616
1617 /* Dump the EDT first. */
1618 fprintf (file,
1619 _("\nThe Export Tables (interpreted %s section contents)\n\n"),
1620 section->name);
1621
1622 fprintf (file,
1623 _("Export Flags \t\t\t%lx\n"), (unsigned long) edt.export_flags);
1624
1625 fprintf (file,
1626 _("Time/Date stamp \t\t%lx\n"), (unsigned long) edt.time_stamp);
1627
1628 fprintf (file,
1629 _("Major/Minor \t\t\t%d/%d\n"), edt.major_ver, edt.minor_ver);
1630
1631 fprintf (file,
1632 _("Name \t\t\t\t"));
1633 bfd_fprintf_vma (abfd, file, edt.name);
1634
1635 if ((edt.name >= adj) && (edt.name < adj + datasize))
1636 fprintf (file, " %s\n", data + edt.name - adj);
1637 else
1638 fprintf (file, "(outside .edata section)\n");
1639
1640 fprintf (file,
1641 _("Ordinal Base \t\t\t%ld\n"), edt.base);
1642
1643 fprintf (file,
1644 _("Number in:\n"));
1645
1646 fprintf (file,
1647 _("\tExport Address Table \t\t%08lx\n"),
1648 edt.num_functions);
1649
1650 fprintf (file,
1651 _("\t[Name Pointer/Ordinal] Table\t%08lx\n"), edt.num_names);
1652
1653 fprintf (file,
1654 _("Table Addresses\n"));
1655
1656 fprintf (file,
1657 _("\tExport Address Table \t\t"));
1658 bfd_fprintf_vma (abfd, file, edt.eat_addr);
1659 fprintf (file, "\n");
1660
1661 fprintf (file,
1662 _("\tName Pointer Table \t\t"));
1663 bfd_fprintf_vma (abfd, file, edt.npt_addr);
1664 fprintf (file, "\n");
1665
1666 fprintf (file,
1667 _("\tOrdinal Table \t\t\t"));
1668 bfd_fprintf_vma (abfd, file, edt.ot_addr);
1669 fprintf (file, "\n");
1670
1671 /* The next table to find is the Export Address Table. It's basically
1672 a list of pointers that either locate a function in this dll, or
1673 forward the call to another dll. Something like:
1674 typedef union
1675 {
1676 long export_rva;
1677 long forwarder_rva;
1678 } export_address_table_entry; */
1679
1680 fprintf (file,
1681 _("\nExport Address Table -- Ordinal Base %ld\n"),
1682 edt.base);
1683
1684 for (i = 0; i < edt.num_functions; ++i)
1685 {
1686 bfd_vma eat_member = bfd_get_32 (abfd,
1687 data + edt.eat_addr + (i * 4) - adj);
1688 if (eat_member == 0)
1689 continue;
1690
1691 if (eat_member - adj <= datasize)
1692 {
1693 /* This rva is to a name (forwarding function) in our section. */
1694 /* Should locate a function descriptor. */
1695 fprintf (file,
1696 "\t[%4ld] +base[%4ld] %04lx %s -- %s\n",
1697 (long) i,
1698 (long) (i + edt.base),
1699 (unsigned long) eat_member,
1700 _("Forwarder RVA"),
1701 data + eat_member - adj);
1702 }
1703 else
1704 {
1705 /* Should locate a function descriptor in the reldata section. */
1706 fprintf (file,
1707 "\t[%4ld] +base[%4ld] %04lx %s\n",
1708 (long) i,
1709 (long) (i + edt.base),
1710 (unsigned long) eat_member,
1711 _("Export RVA"));
1712 }
1713 }
1714
1715 /* The Export Name Pointer Table is paired with the Export Ordinal Table. */
1716 /* Dump them in parallel for clarity. */
1717 fprintf (file,
1718 _("\n[Ordinal/Name Pointer] Table\n"));
1719
1720 for (i = 0; i < edt.num_names; ++i)
1721 {
1722 bfd_vma name_ptr = bfd_get_32 (abfd,
1723 data +
1724 edt.npt_addr
1725 + (i*4) - adj);
1726
1727 char *name = (char *) data + name_ptr - adj;
1728
1729 bfd_vma ord = bfd_get_16 (abfd,
1730 data +
1731 edt.ot_addr
1732 + (i*2) - adj);
1733 fprintf (file,
1734 "\t[%4ld] %s\n", (long) ord, name);
1735 }
1736
1737 free (data);
1738
1739 return TRUE;
1740 }
1741
1742 /* This really is architecture dependent. On IA-64, a .pdata entry
1743 consists of three dwords containing relative virtual addresses that
1744 specify the start and end address of the code range the entry
1745 covers and the address of the corresponding unwind info data.
1746
1747 On ARM and SH-4, a compressed PDATA structure is used :
1748 _IMAGE_CE_RUNTIME_FUNCTION_ENTRY, whereas MIPS is documented to use
1749 _IMAGE_ALPHA_RUNTIME_FUNCTION_ENTRY.
1750 See http://msdn2.microsoft.com/en-us/library/ms253988(VS.80).aspx .
1751
1752 This is the version for uncompressed data. */
1753
1754 static bfd_boolean
1755 pe_print_pdata (bfd * abfd, void * vfile)
1756 {
1757 #if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
1758 # define PDATA_ROW_SIZE (3 * 8)
1759 #else
1760 # define PDATA_ROW_SIZE (5 * 4)
1761 #endif
1762 FILE *file = (FILE *) vfile;
1763 bfd_byte *data = 0;
1764 asection *section = bfd_get_section_by_name (abfd, ".pdata");
1765 bfd_size_type datasize = 0;
1766 bfd_size_type i;
1767 bfd_size_type start, stop;
1768 int onaline = PDATA_ROW_SIZE;
1769
1770 if (section == NULL
1771 || coff_section_data (abfd, section) == NULL
1772 || pei_section_data (abfd, section) == NULL)
1773 return TRUE;
1774
1775 stop = pei_section_data (abfd, section)->virt_size;
1776 if ((stop % onaline) != 0)
1777 fprintf (file,
1778 _("Warning, .pdata section size (%ld) is not a multiple of %d\n"),
1779 (long) stop, onaline);
1780
1781 fprintf (file,
1782 _("\nThe Function Table (interpreted .pdata section contents)\n"));
1783 #if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
1784 fprintf (file,
1785 _(" vma:\t\t\tBegin Address End Address Unwind Info\n"));
1786 #else
1787 fprintf (file, _("\
1788 vma:\t\tBegin End EH EH PrologEnd Exception\n\
1789 \t\tAddress Address Handler Data Address Mask\n"));
1790 #endif
1791
1792 datasize = section->size;
1793 if (datasize == 0)
1794 return TRUE;
1795
1796 if (! bfd_malloc_and_get_section (abfd, section, &data))
1797 {
1798 if (data != NULL)
1799 free (data);
1800 return FALSE;
1801 }
1802
1803 start = 0;
1804
1805 for (i = start; i < stop; i += onaline)
1806 {
1807 bfd_vma begin_addr;
1808 bfd_vma end_addr;
1809 bfd_vma eh_handler;
1810 bfd_vma eh_data;
1811 bfd_vma prolog_end_addr;
1812 #if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64)
1813 int em_data;
1814 #endif
1815
1816 if (i + PDATA_ROW_SIZE > stop)
1817 break;
1818
1819 begin_addr = GET_PDATA_ENTRY (abfd, data + i );
1820 end_addr = GET_PDATA_ENTRY (abfd, data + i + 4);
1821 eh_handler = GET_PDATA_ENTRY (abfd, data + i + 8);
1822 eh_data = GET_PDATA_ENTRY (abfd, data + i + 12);
1823 prolog_end_addr = GET_PDATA_ENTRY (abfd, data + i + 16);
1824
1825 if (begin_addr == 0 && end_addr == 0 && eh_handler == 0
1826 && eh_data == 0 && prolog_end_addr == 0)
1827 /* We are probably into the padding of the section now. */
1828 break;
1829
1830 #if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64)
1831 em_data = ((eh_handler & 0x1) << 2) | (prolog_end_addr & 0x3);
1832 #endif
1833 eh_handler &= ~(bfd_vma) 0x3;
1834 prolog_end_addr &= ~(bfd_vma) 0x3;
1835
1836 fputc (' ', file);
1837 bfd_fprintf_vma (abfd, file, i + section->vma); fputc ('\t', file);
1838 bfd_fprintf_vma (abfd, file, begin_addr); fputc (' ', file);
1839 bfd_fprintf_vma (abfd, file, end_addr); fputc (' ', file);
1840 bfd_fprintf_vma (abfd, file, eh_handler);
1841 #if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64)
1842 fputc (' ', file);
1843 bfd_fprintf_vma (abfd, file, eh_data); fputc (' ', file);
1844 bfd_fprintf_vma (abfd, file, prolog_end_addr);
1845 fprintf (file, " %x", em_data);
1846 #endif
1847
1848 #ifdef POWERPC_LE_PE
1849 if (eh_handler == 0 && eh_data != 0)
1850 {
1851 /* Special bits here, although the meaning may be a little
1852 mysterious. The only one I know for sure is 0x03
1853 Code Significance
1854 0x00 None
1855 0x01 Register Save Millicode
1856 0x02 Register Restore Millicode
1857 0x03 Glue Code Sequence. */
1858 switch (eh_data)
1859 {
1860 case 0x01:
1861 fprintf (file, _(" Register save millicode"));
1862 break;
1863 case 0x02:
1864 fprintf (file, _(" Register restore millicode"));
1865 break;
1866 case 0x03:
1867 fprintf (file, _(" Glue code sequence"));
1868 break;
1869 default:
1870 break;
1871 }
1872 }
1873 #endif
1874 fprintf (file, "\n");
1875 }
1876
1877 free (data);
1878
1879 return TRUE;
1880 #undef PDATA_ROW_SIZE
1881 }
1882
1883 typedef struct sym_cache
1884 {
1885 int symcount;
1886 asymbol ** syms;
1887 } sym_cache;
1888
1889 static asymbol **
1890 slurp_symtab (bfd *abfd, sym_cache *psc)
1891 {
1892 asymbol ** sy = NULL;
1893 long storage;
1894
1895 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
1896 {
1897 psc->symcount = 0;
1898 return NULL;
1899 }
1900
1901 storage = bfd_get_symtab_upper_bound (abfd);
1902 if (storage < 0)
1903 return NULL;
1904 if (storage)
1905 sy = (asymbol **) bfd_malloc (storage);
1906
1907 psc->symcount = bfd_canonicalize_symtab (abfd, sy);
1908 if (psc->symcount < 0)
1909 return NULL;
1910 return sy;
1911 }
1912
1913 static const char *
1914 my_symbol_for_address (bfd *abfd, bfd_vma func, sym_cache *psc)
1915 {
1916 int i;
1917
1918 if (psc->syms == 0)
1919 psc->syms = slurp_symtab (abfd, psc);
1920
1921 for (i = 0; i < psc->symcount; i++)
1922 {
1923 if (psc->syms[i]->section->vma + psc->syms[i]->value == func)
1924 return psc->syms[i]->name;
1925 }
1926
1927 return NULL;
1928 }
1929
1930 static void
1931 cleanup_syms (sym_cache *psc)
1932 {
1933 psc->symcount = 0;
1934 free (psc->syms);
1935 psc->syms = NULL;
1936 }
1937
1938 /* This is the version for "compressed" pdata. */
1939
1940 bfd_boolean
1941 _bfd_XX_print_ce_compressed_pdata (bfd * abfd, void * vfile)
1942 {
1943 # define PDATA_ROW_SIZE (2 * 4)
1944 FILE *file = (FILE *) vfile;
1945 bfd_byte *data = NULL;
1946 asection *section = bfd_get_section_by_name (abfd, ".pdata");
1947 bfd_size_type datasize = 0;
1948 bfd_size_type i;
1949 bfd_size_type start, stop;
1950 int onaline = PDATA_ROW_SIZE;
1951 struct sym_cache cache = {0, 0} ;
1952
1953 if (section == NULL
1954 || coff_section_data (abfd, section) == NULL
1955 || pei_section_data (abfd, section) == NULL)
1956 return TRUE;
1957
1958 stop = pei_section_data (abfd, section)->virt_size;
1959 if ((stop % onaline) != 0)
1960 fprintf (file,
1961 _("Warning, .pdata section size (%ld) is not a multiple of %d\n"),
1962 (long) stop, onaline);
1963
1964 fprintf (file,
1965 _("\nThe Function Table (interpreted .pdata section contents)\n"));
1966
1967 fprintf (file, _("\
1968 vma:\t\tBegin Prolog Function Flags Exception EH\n\
1969 \t\tAddress Length Length 32b exc Handler Data\n"));
1970
1971 datasize = section->size;
1972 if (datasize == 0)
1973 return TRUE;
1974
1975 if (! bfd_malloc_and_get_section (abfd, section, &data))
1976 {
1977 if (data != NULL)
1978 free (data);
1979 return FALSE;
1980 }
1981
1982 start = 0;
1983
1984 for (i = start; i < stop; i += onaline)
1985 {
1986 bfd_vma begin_addr;
1987 bfd_vma other_data;
1988 bfd_vma prolog_length, function_length;
1989 int flag32bit, exception_flag;
1990 asection *tsection;
1991
1992 if (i + PDATA_ROW_SIZE > stop)
1993 break;
1994
1995 begin_addr = GET_PDATA_ENTRY (abfd, data + i );
1996 other_data = GET_PDATA_ENTRY (abfd, data + i + 4);
1997
1998 if (begin_addr == 0 && other_data == 0)
1999 /* We are probably into the padding of the section now. */
2000 break;
2001
2002 prolog_length = (other_data & 0x000000FF);
2003 function_length = (other_data & 0x3FFFFF00) >> 8;
2004 flag32bit = (int)((other_data & 0x40000000) >> 30);
2005 exception_flag = (int)((other_data & 0x80000000) >> 31);
2006
2007 fputc (' ', file);
2008 bfd_fprintf_vma (abfd, file, i + section->vma); fputc ('\t', file);
2009 bfd_fprintf_vma (abfd, file, begin_addr); fputc (' ', file);
2010 bfd_fprintf_vma (abfd, file, prolog_length); fputc (' ', file);
2011 bfd_fprintf_vma (abfd, file, function_length); fputc (' ', file);
2012 fprintf (file, "%2d %2d ", flag32bit, exception_flag);
2013
2014 /* Get the exception handler's address and the data passed from the
2015 .text section. This is really the data that belongs with the .pdata
2016 but got "compressed" out for the ARM and SH4 architectures. */
2017 tsection = bfd_get_section_by_name (abfd, ".text");
2018 if (tsection && coff_section_data (abfd, tsection)
2019 && pei_section_data (abfd, tsection))
2020 {
2021 bfd_vma eh_off = (begin_addr - 8) - tsection->vma;
2022 bfd_byte *tdata;
2023
2024 tdata = (bfd_byte *) bfd_malloc (8);
2025 if (tdata)
2026 {
2027 if (bfd_get_section_contents (abfd, tsection, tdata, eh_off, 8))
2028 {
2029 bfd_vma eh, eh_data;
2030
2031 eh = bfd_get_32 (abfd, tdata);
2032 eh_data = bfd_get_32 (abfd, tdata + 4);
2033 fprintf (file, "%08x ", (unsigned int) eh);
2034 fprintf (file, "%08x", (unsigned int) eh_data);
2035 if (eh != 0)
2036 {
2037 const char *s = my_symbol_for_address (abfd, eh, &cache);
2038
2039 if (s)
2040 fprintf (file, " (%s) ", s);
2041 }
2042 }
2043 free (tdata);
2044 }
2045 }
2046
2047 fprintf (file, "\n");
2048 }
2049
2050 free (data);
2051
2052 cleanup_syms (& cache);
2053
2054 return TRUE;
2055 #undef PDATA_ROW_SIZE
2056 }
2057
2058 \f
2059 #define IMAGE_REL_BASED_HIGHADJ 4
2060 static const char * const tbl[] =
2061 {
2062 "ABSOLUTE",
2063 "HIGH",
2064 "LOW",
2065 "HIGHLOW",
2066 "HIGHADJ",
2067 "MIPS_JMPADDR",
2068 "SECTION",
2069 "REL32",
2070 "RESERVED1",
2071 "MIPS_JMPADDR16",
2072 "DIR64",
2073 "HIGH3ADJ",
2074 "UNKNOWN", /* MUST be last. */
2075 };
2076
2077 static bfd_boolean
2078 pe_print_reloc (bfd * abfd, void * vfile)
2079 {
2080 FILE *file = (FILE *) vfile;
2081 bfd_byte *data = 0;
2082 asection *section = bfd_get_section_by_name (abfd, ".reloc");
2083 bfd_size_type i;
2084 bfd_size_type start, stop;
2085
2086 if (section == NULL || section->size == 0 || !(section->flags & SEC_HAS_CONTENTS))
2087 return TRUE;
2088
2089 fprintf (file,
2090 _("\n\nPE File Base Relocations (interpreted .reloc section contents)\n"));
2091
2092 if (! bfd_malloc_and_get_section (abfd, section, &data))
2093 {
2094 if (data != NULL)
2095 free (data);
2096 return FALSE;
2097 }
2098
2099 start = 0;
2100
2101 stop = section->size;
2102
2103 for (i = start; i < stop;)
2104 {
2105 int j;
2106 bfd_vma virtual_address;
2107 long number, size;
2108
2109 /* The .reloc section is a sequence of blocks, with a header consisting
2110 of two 32 bit quantities, followed by a number of 16 bit entries. */
2111 virtual_address = bfd_get_32 (abfd, data+i);
2112 size = bfd_get_32 (abfd, data+i+4);
2113 number = (size - 8) / 2;
2114
2115 if (size == 0)
2116 break;
2117
2118 fprintf (file,
2119 _("\nVirtual Address: %08lx Chunk size %ld (0x%lx) Number of fixups %ld\n"),
2120 (unsigned long) virtual_address, size, (unsigned long) size, number);
2121
2122 for (j = 0; j < number; ++j)
2123 {
2124 unsigned short e = bfd_get_16 (abfd, data + i + 8 + j * 2);
2125 unsigned int t = (e & 0xF000) >> 12;
2126 int off = e & 0x0FFF;
2127
2128 if (t >= sizeof (tbl) / sizeof (tbl[0]))
2129 t = (sizeof (tbl) / sizeof (tbl[0])) - 1;
2130
2131 fprintf (file,
2132 _("\treloc %4d offset %4x [%4lx] %s"),
2133 j, off, (unsigned long) (off + virtual_address), tbl[t]);
2134
2135 /* HIGHADJ takes an argument, - the next record *is* the
2136 low 16 bits of addend. */
2137 if (t == IMAGE_REL_BASED_HIGHADJ)
2138 {
2139 fprintf (file, " (%4x)",
2140 ((unsigned int)
2141 bfd_get_16 (abfd, data + i + 8 + j * 2 + 2)));
2142 j++;
2143 }
2144
2145 fprintf (file, "\n");
2146 }
2147
2148 i += size;
2149 }
2150
2151 free (data);
2152
2153 return TRUE;
2154 }
2155 \f
2156 /* A data structure describing the regions of a .rsrc section.
2157 Some fields are filled in as the section is parsed. */
2158
2159 typedef struct rsrc_regions
2160 {
2161 bfd_byte * section_start;
2162 bfd_byte * section_end;
2163 bfd_byte * strings_start;
2164 bfd_byte * resource_start;
2165 } rsrc_regions;
2166
2167 static bfd_byte *
2168 rsrc_print_resource_directory (FILE * , bfd *, unsigned int, bfd_byte *,
2169 rsrc_regions *, bfd_vma);
2170
2171 static bfd_byte *
2172 rsrc_print_resource_entries (FILE * file,
2173 bfd * abfd,
2174 unsigned int indent,
2175 bfd_boolean is_name,
2176 bfd_byte * data,
2177 rsrc_regions * regions,
2178 bfd_vma rva_bias)
2179 {
2180 unsigned long entry, addr, size;
2181
2182 if (data + 8 >= regions->section_end)
2183 return regions->section_end + 1;
2184
2185 fprintf (file, _("%03x %*.s Entry: "), (int)(data - regions->section_start), indent, " ");
2186
2187 entry = (long) bfd_get_32 (abfd, data);
2188 if (is_name)
2189 {
2190 bfd_byte * name;
2191
2192 /* Note - the documentation says that this field is an RVA value
2193 but windres appears to produce a section relative offset with
2194 the top bit set. Support both styles for now. */
2195 if (HighBitSet (entry))
2196 name = regions->section_start + WithoutHighBit (entry);
2197 else
2198 name = regions->section_start + entry - rva_bias;
2199
2200 if (name + 2 < regions->section_end)
2201 {
2202 unsigned int len;
2203
2204 if (regions->strings_start == NULL)
2205 regions->strings_start = name;
2206
2207 len = bfd_get_16 (abfd, name);
2208
2209 fprintf (file, _("name: [val: %08lx len %d]: "), entry, len);
2210 if (name + 2 + len * 2 < regions->section_end)
2211 {
2212 /* This strange loop is to cope with multibyte characters. */
2213 while (len --)
2214 {
2215 name += 2;
2216 fprintf (file, "%.1s", name);
2217 }
2218 }
2219 else
2220 fprintf (file, _("<corrupt string length: %#x>"), len);
2221 }
2222 else
2223 fprintf (file, _("<corrupt string offset: %#lx>"), entry);
2224 }
2225 else
2226 fprintf (file, _("ID: %#08lx"), entry);
2227
2228 entry = (long) bfd_get_32 (abfd, data + 4);
2229 fprintf (file, _(", Value: %#08lx\n"), entry);
2230
2231 if (HighBitSet (entry))
2232 return rsrc_print_resource_directory (file, abfd, indent + 1,
2233 regions->section_start + WithoutHighBit (entry),
2234 regions, rva_bias);
2235
2236 if (regions->section_start + entry + 16 >= regions->section_end)
2237 return regions->section_end + 1;
2238
2239 fprintf (file, _("%03x %*.s Leaf: Addr: %#08lx, Size: %#08lx, Codepage: %d\n"),
2240 (int) (entry),
2241 indent, " ",
2242 addr = (long) bfd_get_32 (abfd, regions->section_start + entry),
2243 size = (long) bfd_get_32 (abfd, regions->section_start + entry + 4),
2244 (int) bfd_get_32 (abfd, regions->section_start + entry + 8));
2245
2246 /* Check that the reserved entry is 0. */
2247 if (bfd_get_32 (abfd, regions->section_start + entry + 12) != 0
2248 /* And that the data address/size is valid too. */
2249 || (regions->section_start + (addr - rva_bias) + size > regions->section_end))
2250 return regions->section_end + 1;
2251
2252 if (regions->resource_start == NULL)
2253 regions->resource_start = regions->section_start + (addr - rva_bias);
2254
2255 return regions->section_start + (addr - rva_bias) + size;
2256 }
2257
2258 #define max(a,b) ((a) > (b) ? (a) : (b))
2259 #define min(a,b) ((a) < (b) ? (a) : (b))
2260
2261 static bfd_byte *
2262 rsrc_print_resource_directory (FILE * file,
2263 bfd * abfd,
2264 unsigned int indent,
2265 bfd_byte * data,
2266 rsrc_regions * regions,
2267 bfd_vma rva_bias)
2268 {
2269 unsigned int num_names, num_ids;
2270 bfd_byte * highest_data = data;
2271
2272 if (data + 16 >= regions->section_end)
2273 return regions->section_end + 1;
2274
2275 fprintf (file, "%03x %*.s ", (int)(data - regions->section_start), indent, " ");
2276 switch (indent)
2277 {
2278 case 0: fprintf (file, "Type"); break;
2279 case 2: fprintf (file, "Name"); break;
2280 case 4: fprintf (file, "Language"); break;
2281 default: fprintf (file, "<unknown>"); break;
2282 }
2283
2284 fprintf (file, _(" Table: Char: %d, Time: %08lx, Ver: %d/%d, Num Names: %d, IDs: %d\n"),
2285 (int) bfd_get_32 (abfd, data),
2286 (long) bfd_get_32 (abfd, data + 4),
2287 (int) bfd_get_16 (abfd, data + 8),
2288 (int) bfd_get_16 (abfd, data + 10),
2289 num_names = (int) bfd_get_16 (abfd, data + 12),
2290 num_ids = (int) bfd_get_16 (abfd, data + 14));
2291 data += 16;
2292
2293 while (num_names --)
2294 {
2295 bfd_byte * entry_end;
2296
2297 entry_end = rsrc_print_resource_entries (file, abfd, indent + 1, TRUE,
2298 data, regions, rva_bias);
2299 data += 8;
2300 highest_data = max (highest_data, entry_end);
2301 if (entry_end >= regions->section_end)
2302 return entry_end;
2303 }
2304
2305 while (num_ids --)
2306 {
2307 bfd_byte * entry_end;
2308
2309 entry_end = rsrc_print_resource_entries (file, abfd, indent + 1, FALSE,
2310 data, regions, rva_bias);
2311 data += 8;
2312 highest_data = max (highest_data, entry_end);
2313 if (entry_end >= regions->section_end)
2314 return entry_end;
2315 }
2316
2317 return max (highest_data, data);
2318 }
2319
2320 /* Display the contents of a .rsrc section. We do not try to
2321 reproduce the resources, windres does that. Instead we dump
2322 the tables in a human readable format. */
2323
2324 static bfd_boolean
2325 rsrc_print_section (bfd * abfd, void * vfile)
2326 {
2327 bfd_vma rva_bias;
2328 pe_data_type * pe;
2329 FILE * file = (FILE *) vfile;
2330 bfd_size_type datasize;
2331 asection * section;
2332 bfd_byte * data;
2333 rsrc_regions regions;
2334
2335 pe = pe_data (abfd);
2336 if (pe == NULL)
2337 return TRUE;
2338
2339 section = bfd_get_section_by_name (abfd, ".rsrc");
2340 if (section == NULL)
2341 return TRUE;
2342 if (!(section->flags & SEC_HAS_CONTENTS))
2343 return TRUE;
2344
2345 datasize = section->size;
2346 if (datasize == 0)
2347 return TRUE;
2348
2349 rva_bias = section->vma - pe->pe_opthdr.ImageBase;
2350
2351 if (! bfd_malloc_and_get_section (abfd, section, & data))
2352 {
2353 if (data != NULL)
2354 free (data);
2355 return FALSE;
2356 }
2357
2358 regions.section_start = data;
2359 regions.section_end = data + datasize;
2360 regions.strings_start = NULL;
2361 regions.resource_start = NULL;
2362
2363 fflush (file);
2364 fprintf (file, "\nThe .rsrc Resource Directory section:\n");
2365
2366 while (data < regions.section_end)
2367 {
2368 bfd_byte * p = data;
2369
2370 data = rsrc_print_resource_directory (file, abfd, 0, data, & regions, rva_bias);
2371
2372 if (data == regions.section_end + 1)
2373 fprintf (file, _("Corrupt .rsrc section detected!\n"));
2374 else
2375 {
2376 /* Align data before continuing. */
2377 int align = (1 << section->alignment_power) - 1;
2378
2379 data = (bfd_byte *) (((ptrdiff_t) (data + align)) & ~ align);
2380 rva_bias += data - p;
2381
2382 /* For reasons that are unclear .rsrc sections are sometimes created
2383 aligned to a 1^3 boundary even when their alignment is set at
2384 1^2. Catch that case here before we issue a spurious warning
2385 message. */
2386 if (data == (regions.section_end - 4))
2387 data = regions.section_end;
2388 else if (data < regions.section_end)
2389 fprintf (file, _("\nWARNING: Extra data in .rsrc section - it will be ignored by Windows:\n"));
2390 }
2391 }
2392
2393 if (regions.strings_start != NULL)
2394 fprintf (file, " String table starts at %03x\n",
2395 (int) (regions.strings_start - regions.section_start));
2396 if (regions.resource_start != NULL)
2397 fprintf (file, " Resources start at %03xx\n",
2398 (int) (regions.resource_start - regions.section_start));
2399
2400 free (regions.section_start);
2401 return TRUE;
2402 }
2403
2404 #define IMAGE_NUMBEROF_DEBUG_TYPES 12
2405
2406 static char * debug_type_names[IMAGE_NUMBEROF_DEBUG_TYPES] =
2407 {
2408 "Unknown",
2409 "COFF",
2410 "CodeView",
2411 "FPO",
2412 "Misc",
2413 "Exception",
2414 "Fixup",
2415 "OMAP-to-SRC",
2416 "OMAP-from-SRC",
2417 "Borland",
2418 "Reserved",
2419 "CLSID",
2420 };
2421
2422 static bfd_boolean
2423 pe_print_debugdata (bfd * abfd, void * vfile)
2424 {
2425 FILE *file = (FILE *) vfile;
2426 pe_data_type *pe = pe_data (abfd);
2427 struct internal_extra_pe_aouthdr *extra = &pe->pe_opthdr;
2428 asection *section;
2429 bfd_byte *data = 0;
2430 bfd_size_type dataoff;
2431 unsigned int i;
2432
2433 bfd_vma addr = extra->DataDirectory[PE_DEBUG_DATA].VirtualAddress;
2434 bfd_size_type size = extra->DataDirectory[PE_DEBUG_DATA].Size;
2435
2436 if (size == 0)
2437 return TRUE;
2438
2439 addr += extra->ImageBase;
2440 for (section = abfd->sections; section != NULL; section = section->next)
2441 {
2442 if ((addr >= section->vma) && (addr < (section->vma + section->size)))
2443 break;
2444 }
2445
2446 if (section == NULL)
2447 {
2448 fprintf (file,
2449 _("\nThere is a debug directory, but the section containing it could not be found\n"));
2450 return TRUE;
2451 }
2452
2453 fprintf (file, _("\nThere is a debug directory in %s at 0x%lx\n\n"),
2454 section->name, (unsigned long) addr);
2455
2456 dataoff = addr - section->vma;
2457
2458 fprintf (file,
2459 _("Type Size Rva Offset\n"));
2460
2461 /* Read the whole section. */
2462 if (!bfd_malloc_and_get_section (abfd, section, &data))
2463 {
2464 if (data != NULL)
2465 free (data);
2466 return FALSE;
2467 }
2468
2469 for (i = 0; i < size / sizeof (struct external_IMAGE_DEBUG_DIRECTORY); i++)
2470 {
2471 const char *type_name;
2472 struct external_IMAGE_DEBUG_DIRECTORY *ext
2473 = &((struct external_IMAGE_DEBUG_DIRECTORY *)(data + dataoff))[i];
2474 struct internal_IMAGE_DEBUG_DIRECTORY idd;
2475
2476 _bfd_XXi_swap_debugdir_in (abfd, ext, &idd);
2477
2478 if ((idd.Type) > IMAGE_NUMBEROF_DEBUG_TYPES)
2479 type_name = debug_type_names[0];
2480 else
2481 type_name = debug_type_names[idd.Type];
2482
2483 fprintf (file, " %2ld %14s %08lx %08lx %08lx\n",
2484 idd.Type, type_name, idd.SizeOfData,
2485 idd.AddressOfRawData, idd.PointerToRawData);
2486
2487 if (idd.Type == PE_IMAGE_DEBUG_TYPE_CODEVIEW)
2488 {
2489 char signature[CV_INFO_SIGNATURE_LENGTH * 2 + 1];
2490 char buffer[256 + 1];
2491 CODEVIEW_INFO *cvinfo = (CODEVIEW_INFO *) buffer;
2492
2493 /* The debug entry doesn't have to have to be in a section,
2494 in which case AddressOfRawData is 0, so always use PointerToRawData. */
2495 if (!_bfd_XXi_slurp_codeview_record (abfd, (file_ptr) idd.PointerToRawData,
2496 idd.SizeOfData, cvinfo))
2497 continue;
2498
2499 for (i = 0; i < cvinfo->SignatureLength; i++)
2500 sprintf (&signature[i*2], "%02x", cvinfo->Signature[i] & 0xff);
2501
2502 fprintf (file, "(format %c%c%c%c signature %s age %ld)\n",
2503 buffer[0], buffer[1], buffer[2], buffer[3],
2504 signature, cvinfo->Age);
2505 }
2506 }
2507
2508 if (size % sizeof (struct external_IMAGE_DEBUG_DIRECTORY) != 0)
2509 fprintf (file,
2510 _("The debug directory size is not a multiple of the debug directory entry size\n"));
2511
2512 return TRUE;
2513 }
2514
2515 /* Print out the program headers. */
2516
2517 bfd_boolean
2518 _bfd_XX_print_private_bfd_data_common (bfd * abfd, void * vfile)
2519 {
2520 FILE *file = (FILE *) vfile;
2521 int j;
2522 pe_data_type *pe = pe_data (abfd);
2523 struct internal_extra_pe_aouthdr *i = &pe->pe_opthdr;
2524 const char *subsystem_name = NULL;
2525 const char *name;
2526
2527 /* The MS dumpbin program reportedly ands with 0xff0f before
2528 printing the characteristics field. Not sure why. No reason to
2529 emulate it here. */
2530 fprintf (file, _("\nCharacteristics 0x%x\n"), pe->real_flags);
2531 #undef PF
2532 #define PF(x, y) if (pe->real_flags & x) { fprintf (file, "\t%s\n", y); }
2533 PF (IMAGE_FILE_RELOCS_STRIPPED, "relocations stripped");
2534 PF (IMAGE_FILE_EXECUTABLE_IMAGE, "executable");
2535 PF (IMAGE_FILE_LINE_NUMS_STRIPPED, "line numbers stripped");
2536 PF (IMAGE_FILE_LOCAL_SYMS_STRIPPED, "symbols stripped");
2537 PF (IMAGE_FILE_LARGE_ADDRESS_AWARE, "large address aware");
2538 PF (IMAGE_FILE_BYTES_REVERSED_LO, "little endian");
2539 PF (IMAGE_FILE_32BIT_MACHINE, "32 bit words");
2540 PF (IMAGE_FILE_DEBUG_STRIPPED, "debugging information removed");
2541 PF (IMAGE_FILE_SYSTEM, "system file");
2542 PF (IMAGE_FILE_DLL, "DLL");
2543 PF (IMAGE_FILE_BYTES_REVERSED_HI, "big endian");
2544 #undef PF
2545
2546 /* ctime implies '\n'. */
2547 {
2548 time_t t = pe->coff.timestamp;
2549 fprintf (file, "\nTime/Date\t\t%s", ctime (&t));
2550 }
2551
2552 #ifndef IMAGE_NT_OPTIONAL_HDR_MAGIC
2553 # define IMAGE_NT_OPTIONAL_HDR_MAGIC 0x10b
2554 #endif
2555 #ifndef IMAGE_NT_OPTIONAL_HDR64_MAGIC
2556 # define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
2557 #endif
2558 #ifndef IMAGE_NT_OPTIONAL_HDRROM_MAGIC
2559 # define IMAGE_NT_OPTIONAL_HDRROM_MAGIC 0x107
2560 #endif
2561
2562 switch (i->Magic)
2563 {
2564 case IMAGE_NT_OPTIONAL_HDR_MAGIC:
2565 name = "PE32";
2566 break;
2567 case IMAGE_NT_OPTIONAL_HDR64_MAGIC:
2568 name = "PE32+";
2569 break;
2570 case IMAGE_NT_OPTIONAL_HDRROM_MAGIC:
2571 name = "ROM";
2572 break;
2573 default:
2574 name = NULL;
2575 break;
2576 }
2577 fprintf (file, "Magic\t\t\t%04x", i->Magic);
2578 if (name)
2579 fprintf (file, "\t(%s)",name);
2580 fprintf (file, "\nMajorLinkerVersion\t%d\n", i->MajorLinkerVersion);
2581 fprintf (file, "MinorLinkerVersion\t%d\n", i->MinorLinkerVersion);
2582 fprintf (file, "SizeOfCode\t\t%08lx\n", (unsigned long) i->SizeOfCode);
2583 fprintf (file, "SizeOfInitializedData\t%08lx\n",
2584 (unsigned long) i->SizeOfInitializedData);
2585 fprintf (file, "SizeOfUninitializedData\t%08lx\n",
2586 (unsigned long) i->SizeOfUninitializedData);
2587 fprintf (file, "AddressOfEntryPoint\t");
2588 bfd_fprintf_vma (abfd, file, i->AddressOfEntryPoint);
2589 fprintf (file, "\nBaseOfCode\t\t");
2590 bfd_fprintf_vma (abfd, file, i->BaseOfCode);
2591 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
2592 /* PE32+ does not have BaseOfData member! */
2593 fprintf (file, "\nBaseOfData\t\t");
2594 bfd_fprintf_vma (abfd, file, i->BaseOfData);
2595 #endif
2596
2597 fprintf (file, "\nImageBase\t\t");
2598 bfd_fprintf_vma (abfd, file, i->ImageBase);
2599 fprintf (file, "\nSectionAlignment\t");
2600 bfd_fprintf_vma (abfd, file, i->SectionAlignment);
2601 fprintf (file, "\nFileAlignment\t\t");
2602 bfd_fprintf_vma (abfd, file, i->FileAlignment);
2603 fprintf (file, "\nMajorOSystemVersion\t%d\n", i->MajorOperatingSystemVersion);
2604 fprintf (file, "MinorOSystemVersion\t%d\n", i->MinorOperatingSystemVersion);
2605 fprintf (file, "MajorImageVersion\t%d\n", i->MajorImageVersion);
2606 fprintf (file, "MinorImageVersion\t%d\n", i->MinorImageVersion);
2607 fprintf (file, "MajorSubsystemVersion\t%d\n", i->MajorSubsystemVersion);
2608 fprintf (file, "MinorSubsystemVersion\t%d\n", i->MinorSubsystemVersion);
2609 fprintf (file, "Win32Version\t\t%08lx\n", (unsigned long) i->Reserved1);
2610 fprintf (file, "SizeOfImage\t\t%08lx\n", (unsigned long) i->SizeOfImage);
2611 fprintf (file, "SizeOfHeaders\t\t%08lx\n", (unsigned long) i->SizeOfHeaders);
2612 fprintf (file, "CheckSum\t\t%08lx\n", (unsigned long) i->CheckSum);
2613
2614 switch (i->Subsystem)
2615 {
2616 case IMAGE_SUBSYSTEM_UNKNOWN:
2617 subsystem_name = "unspecified";
2618 break;
2619 case IMAGE_SUBSYSTEM_NATIVE:
2620 subsystem_name = "NT native";
2621 break;
2622 case IMAGE_SUBSYSTEM_WINDOWS_GUI:
2623 subsystem_name = "Windows GUI";
2624 break;
2625 case IMAGE_SUBSYSTEM_WINDOWS_CUI:
2626 subsystem_name = "Windows CUI";
2627 break;
2628 case IMAGE_SUBSYSTEM_POSIX_CUI:
2629 subsystem_name = "POSIX CUI";
2630 break;
2631 case IMAGE_SUBSYSTEM_WINDOWS_CE_GUI:
2632 subsystem_name = "Wince CUI";
2633 break;
2634 // These are from UEFI Platform Initialization Specification 1.1.
2635 case IMAGE_SUBSYSTEM_EFI_APPLICATION:
2636 subsystem_name = "EFI application";
2637 break;
2638 case IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:
2639 subsystem_name = "EFI boot service driver";
2640 break;
2641 case IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:
2642 subsystem_name = "EFI runtime driver";
2643 break;
2644 case IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER:
2645 subsystem_name = "SAL runtime driver";
2646 break;
2647 // This is from revision 8.0 of the MS PE/COFF spec
2648 case IMAGE_SUBSYSTEM_XBOX:
2649 subsystem_name = "XBOX";
2650 break;
2651 // Added default case for clarity - subsystem_name is NULL anyway.
2652 default:
2653 subsystem_name = NULL;
2654 }
2655
2656 fprintf (file, "Subsystem\t\t%08x", i->Subsystem);
2657 if (subsystem_name)
2658 fprintf (file, "\t(%s)", subsystem_name);
2659 fprintf (file, "\nDllCharacteristics\t%08x\n", i->DllCharacteristics);
2660 fprintf (file, "SizeOfStackReserve\t");
2661 bfd_fprintf_vma (abfd, file, i->SizeOfStackReserve);
2662 fprintf (file, "\nSizeOfStackCommit\t");
2663 bfd_fprintf_vma (abfd, file, i->SizeOfStackCommit);
2664 fprintf (file, "\nSizeOfHeapReserve\t");
2665 bfd_fprintf_vma (abfd, file, i->SizeOfHeapReserve);
2666 fprintf (file, "\nSizeOfHeapCommit\t");
2667 bfd_fprintf_vma (abfd, file, i->SizeOfHeapCommit);
2668 fprintf (file, "\nLoaderFlags\t\t%08lx\n", (unsigned long) i->LoaderFlags);
2669 fprintf (file, "NumberOfRvaAndSizes\t%08lx\n",
2670 (unsigned long) i->NumberOfRvaAndSizes);
2671
2672 fprintf (file, "\nThe Data Directory\n");
2673 for (j = 0; j < IMAGE_NUMBEROF_DIRECTORY_ENTRIES; j++)
2674 {
2675 fprintf (file, "Entry %1x ", j);
2676 bfd_fprintf_vma (abfd, file, i->DataDirectory[j].VirtualAddress);
2677 fprintf (file, " %08lx ", (unsigned long) i->DataDirectory[j].Size);
2678 fprintf (file, "%s\n", dir_names[j]);
2679 }
2680
2681 pe_print_idata (abfd, vfile);
2682 pe_print_edata (abfd, vfile);
2683 if (bfd_coff_have_print_pdata (abfd))
2684 bfd_coff_print_pdata (abfd, vfile);
2685 else
2686 pe_print_pdata (abfd, vfile);
2687 pe_print_reloc (abfd, vfile);
2688 pe_print_debugdata (abfd, file);
2689
2690 rsrc_print_section (abfd, vfile);
2691
2692 return TRUE;
2693 }
2694
2695 /* Copy any private info we understand from the input bfd
2696 to the output bfd. */
2697
2698 bfd_boolean
2699 _bfd_XX_bfd_copy_private_bfd_data_common (bfd * ibfd, bfd * obfd)
2700 {
2701 pe_data_type *ipe, *ope;
2702
2703 /* One day we may try to grok other private data. */
2704 if (ibfd->xvec->flavour != bfd_target_coff_flavour
2705 || obfd->xvec->flavour != bfd_target_coff_flavour)
2706 return TRUE;
2707
2708 ipe = pe_data (ibfd);
2709 ope = pe_data (obfd);
2710
2711 /* pe_opthdr is copied in copy_object. */
2712 ope->dll = ipe->dll;
2713
2714 /* Don't copy input subsystem if output is different from input. */
2715 if (obfd->xvec != ibfd->xvec)
2716 ope->pe_opthdr.Subsystem = IMAGE_SUBSYSTEM_UNKNOWN;
2717
2718 /* For strip: if we removed .reloc, we'll make a real mess of things
2719 if we don't remove this entry as well. */
2720 if (! pe_data (obfd)->has_reloc_section)
2721 {
2722 pe_data (obfd)->pe_opthdr.DataDirectory[PE_BASE_RELOCATION_TABLE].VirtualAddress = 0;
2723 pe_data (obfd)->pe_opthdr.DataDirectory[PE_BASE_RELOCATION_TABLE].Size = 0;
2724 }
2725
2726 /* For PIE, if there is .reloc, we won't add IMAGE_FILE_RELOCS_STRIPPED.
2727 But there is no .reloc, we make sure that IMAGE_FILE_RELOCS_STRIPPED
2728 won't be added. */
2729 if (! pe_data (ibfd)->has_reloc_section
2730 && ! (pe_data (ibfd)->real_flags & IMAGE_FILE_RELOCS_STRIPPED))
2731 pe_data (obfd)->dont_strip_reloc = 1;
2732
2733 return TRUE;
2734 }
2735
2736 /* Copy private section data. */
2737
2738 bfd_boolean
2739 _bfd_XX_bfd_copy_private_section_data (bfd *ibfd,
2740 asection *isec,
2741 bfd *obfd,
2742 asection *osec)
2743 {
2744 if (bfd_get_flavour (ibfd) != bfd_target_coff_flavour
2745 || bfd_get_flavour (obfd) != bfd_target_coff_flavour)
2746 return TRUE;
2747
2748 if (coff_section_data (ibfd, isec) != NULL
2749 && pei_section_data (ibfd, isec) != NULL)
2750 {
2751 if (coff_section_data (obfd, osec) == NULL)
2752 {
2753 bfd_size_type amt = sizeof (struct coff_section_tdata);
2754 osec->used_by_bfd = bfd_zalloc (obfd, amt);
2755 if (osec->used_by_bfd == NULL)
2756 return FALSE;
2757 }
2758
2759 if (pei_section_data (obfd, osec) == NULL)
2760 {
2761 bfd_size_type amt = sizeof (struct pei_section_tdata);
2762 coff_section_data (obfd, osec)->tdata = bfd_zalloc (obfd, amt);
2763 if (coff_section_data (obfd, osec)->tdata == NULL)
2764 return FALSE;
2765 }
2766
2767 pei_section_data (obfd, osec)->virt_size =
2768 pei_section_data (ibfd, isec)->virt_size;
2769 pei_section_data (obfd, osec)->pe_flags =
2770 pei_section_data (ibfd, isec)->pe_flags;
2771 }
2772
2773 return TRUE;
2774 }
2775
2776 void
2777 _bfd_XX_get_symbol_info (bfd * abfd, asymbol *symbol, symbol_info *ret)
2778 {
2779 coff_get_symbol_info (abfd, symbol, ret);
2780 }
2781
2782 #if !defined(COFF_WITH_pep) && defined(COFF_WITH_pex64)
2783 static int
2784 sort_x64_pdata (const void *l, const void *r)
2785 {
2786 const char *lp = (const char *) l;
2787 const char *rp = (const char *) r;
2788 bfd_vma vl, vr;
2789 vl = bfd_getl32 (lp); vr = bfd_getl32 (rp);
2790 if (vl != vr)
2791 return (vl < vr ? -1 : 1);
2792 /* We compare just begin address. */
2793 return 0;
2794 }
2795 #endif
2796 \f
2797 /* Functions to process a .rsrc section. */
2798
2799 static unsigned int sizeof_leaves;
2800 static unsigned int sizeof_strings;
2801 static unsigned int sizeof_tables_and_entries;
2802
2803 static bfd_byte *
2804 rsrc_count_directory (bfd *, bfd_byte *, bfd_byte *, bfd_byte *, bfd_vma);
2805
2806 static bfd_byte *
2807 rsrc_count_entries (bfd * abfd,
2808 bfd_boolean is_name,
2809 bfd_byte * datastart,
2810 bfd_byte * data,
2811 bfd_byte * dataend,
2812 bfd_vma rva_bias)
2813 {
2814 unsigned long entry, addr, size;
2815
2816 if (data + 8 >= dataend)
2817 return dataend + 1;
2818
2819 if (is_name)
2820 {
2821 bfd_byte * name;
2822
2823 entry = (long) bfd_get_32 (abfd, data);
2824
2825 if (HighBitSet (entry))
2826 name = datastart + WithoutHighBit (entry);
2827 else
2828 name = datastart + entry - rva_bias;
2829
2830 if (name + 2 >= dataend)
2831 return dataend + 1;
2832
2833 unsigned int len = bfd_get_16 (abfd, name);
2834 if (len == 0 || len > 256)
2835 return dataend + 1;
2836 }
2837
2838 entry = (long) bfd_get_32 (abfd, data + 4);
2839
2840 if (HighBitSet (entry))
2841 return rsrc_count_directory (abfd,
2842 datastart,
2843 datastart + WithoutHighBit (entry),
2844 dataend, rva_bias);
2845
2846 if (datastart + entry + 16 >= dataend)
2847 return dataend + 1;
2848
2849 addr = (long) bfd_get_32 (abfd, datastart + entry);
2850 size = (long) bfd_get_32 (abfd, datastart + entry + 4);
2851
2852 return datastart + addr - rva_bias + size;
2853 }
2854
2855 static bfd_byte *
2856 rsrc_count_directory (bfd * abfd,
2857 bfd_byte * datastart,
2858 bfd_byte * data,
2859 bfd_byte * dataend,
2860 bfd_vma rva_bias)
2861 {
2862 unsigned int num_entries, num_ids;
2863 bfd_byte * highest_data = data;
2864
2865 if (data + 16 >= dataend)
2866 return dataend + 1;
2867
2868 num_entries = (int) bfd_get_16 (abfd, data + 12);
2869 num_ids = (int) bfd_get_16 (abfd, data + 14);
2870
2871 num_entries += num_ids;
2872
2873 data += 16;
2874
2875 while (num_entries --)
2876 {
2877 bfd_byte * entry_end;
2878
2879 entry_end = rsrc_count_entries (abfd, num_entries >= num_ids,
2880 datastart, data, dataend, rva_bias);
2881 data += 8;
2882 highest_data = max (highest_data, entry_end);
2883 if (entry_end >= dataend)
2884 break;
2885 }
2886
2887 return max (highest_data, data);
2888 }
2889
2890 typedef struct rsrc_dir_chain
2891 {
2892 unsigned int num_entries;
2893 struct rsrc_entry * first_entry;
2894 struct rsrc_entry * last_entry;
2895 } rsrc_dir_chain;
2896
2897 typedef struct rsrc_directory
2898 {
2899 unsigned int characteristics;
2900 unsigned int time;
2901 unsigned int major;
2902 unsigned int minor;
2903
2904 rsrc_dir_chain names;
2905 rsrc_dir_chain ids;
2906
2907 struct rsrc_entry * entry;
2908 } rsrc_directory;
2909
2910 typedef struct rsrc_string
2911 {
2912 unsigned int len;
2913 bfd_byte * string;
2914 } rsrc_string;
2915
2916 typedef struct rsrc_leaf
2917 {
2918 unsigned int size;
2919 unsigned int codepage;
2920 bfd_byte * data;
2921 } rsrc_leaf;
2922
2923 typedef struct rsrc_entry
2924 {
2925 bfd_boolean is_name;
2926 union
2927 {
2928 unsigned int id;
2929 struct rsrc_string name;
2930 } name_id;
2931
2932 bfd_boolean is_dir;
2933 union
2934 {
2935 struct rsrc_directory * directory;
2936 struct rsrc_leaf * leaf;
2937 } value;
2938
2939 struct rsrc_entry * next_entry;
2940 struct rsrc_directory * parent;
2941 } rsrc_entry;
2942
2943 static bfd_byte *
2944 rsrc_parse_directory (bfd *, rsrc_directory *, bfd_byte *,
2945 bfd_byte *, bfd_byte *, bfd_vma, rsrc_entry *);
2946
2947 static bfd_byte *
2948 rsrc_parse_entry (bfd * abfd,
2949 bfd_boolean is_name,
2950 rsrc_entry * entry,
2951 bfd_byte * datastart,
2952 bfd_byte * data,
2953 bfd_byte * dataend,
2954 bfd_vma rva_bias,
2955 rsrc_directory * parent)
2956 {
2957 unsigned long val, addr, size;
2958
2959 val = bfd_get_32 (abfd, data);
2960
2961 entry->parent = parent;
2962 entry->is_name = is_name;
2963
2964 if (is_name)
2965 {
2966 /* FIXME: Add range checking ? */
2967 if (HighBitSet (val))
2968 {
2969 val = WithoutHighBit (val);
2970
2971 entry->name_id.name.len = bfd_get_16 (abfd, datastart + val);
2972 entry->name_id.name.string = datastart + val + 2;
2973 }
2974 else
2975 {
2976 entry->name_id.name.len = bfd_get_16 (abfd, datastart + val
2977 - rva_bias);
2978 entry->name_id.name.string = datastart + val - rva_bias + 2;
2979 }
2980 }
2981 else
2982 entry->name_id.id = val;
2983
2984 val = bfd_get_32 (abfd, data + 4);
2985
2986 if (HighBitSet (val))
2987 {
2988 entry->is_dir = TRUE;
2989 entry->value.directory = bfd_malloc (sizeof * entry->value.directory);
2990 if (entry->value.directory == NULL)
2991 return dataend;
2992
2993 return rsrc_parse_directory (abfd, entry->value.directory,
2994 datastart,
2995 datastart + WithoutHighBit (val),
2996 dataend, rva_bias, entry);
2997 }
2998
2999 entry->is_dir = FALSE;
3000 entry->value.leaf = bfd_malloc (sizeof * entry->value.leaf);
3001 if (entry->value.leaf == NULL)
3002 return dataend;
3003
3004 addr = bfd_get_32 (abfd, datastart + val);
3005 size = entry->value.leaf->size = bfd_get_32 (abfd, datastart + val + 4);
3006 entry->value.leaf->codepage = bfd_get_32 (abfd, datastart + val + 8);
3007
3008 entry->value.leaf->data = bfd_malloc (size);
3009 if (entry->value.leaf->data == NULL)
3010 return dataend;
3011
3012 memcpy (entry->value.leaf->data, datastart + addr - rva_bias, size);
3013 return datastart + (addr - rva_bias) + size;
3014 }
3015
3016 static bfd_byte *
3017 rsrc_parse_entries (bfd * abfd,
3018 rsrc_dir_chain * chain,
3019 bfd_boolean is_name,
3020 bfd_byte * highest_data,
3021 bfd_byte * datastart,
3022 bfd_byte * data,
3023 bfd_byte * dataend,
3024 bfd_vma rva_bias,
3025 rsrc_directory * parent)
3026 {
3027 unsigned int i;
3028 rsrc_entry * entry;
3029
3030 if (chain->num_entries == 0)
3031 {
3032 chain->first_entry = chain->last_entry = NULL;
3033 return highest_data;
3034 }
3035
3036 entry = bfd_malloc (sizeof * entry);
3037 if (entry == NULL)
3038 return dataend;
3039
3040 chain->first_entry = entry;
3041
3042 for (i = chain->num_entries; i--;)
3043 {
3044 bfd_byte * entry_end;
3045
3046 entry_end = rsrc_parse_entry (abfd, is_name, entry, datastart,
3047 data, dataend, rva_bias, parent);
3048 data += 8;
3049 highest_data = max (entry_end, highest_data);
3050 if (entry_end > dataend)
3051 return dataend;
3052
3053 if (i)
3054 {
3055 entry->next_entry = bfd_malloc (sizeof * entry);
3056 entry = entry->next_entry;
3057 if (entry == NULL)
3058 return dataend;
3059 }
3060 else
3061 entry->next_entry = NULL;
3062 }
3063
3064 chain->last_entry = entry;
3065
3066 return highest_data;
3067 }
3068
3069 static bfd_byte *
3070 rsrc_parse_directory (bfd * abfd,
3071 rsrc_directory * table,
3072 bfd_byte * datastart,
3073 bfd_byte * data,
3074 bfd_byte * dataend,
3075 bfd_vma rva_bias,
3076 rsrc_entry * entry)
3077 {
3078 bfd_byte * highest_data = data;
3079
3080 if (table == NULL)
3081 return dataend;
3082
3083 table->characteristics = bfd_get_32 (abfd, data);
3084 table->time = bfd_get_32 (abfd, data + 4);
3085 table->major = bfd_get_16 (abfd, data + 8);
3086 table->minor = bfd_get_16 (abfd, data + 10);
3087 table->names.num_entries = bfd_get_16 (abfd, data + 12);
3088 table->ids.num_entries = bfd_get_16 (abfd, data + 14);
3089 table->entry = entry;
3090
3091 data += 16;
3092
3093 highest_data = rsrc_parse_entries (abfd, & table->names, TRUE, data,
3094 datastart, data, dataend, rva_bias, table);
3095 data += table->names.num_entries * 8;
3096
3097 highest_data = rsrc_parse_entries (abfd, & table->ids, FALSE, highest_data,
3098 datastart, data, dataend, rva_bias, table);
3099 data += table->ids.num_entries * 8;
3100
3101 return max (highest_data, data);
3102 }
3103
3104 typedef struct rsrc_write_data
3105 {
3106 bfd * abfd;
3107 bfd_byte * datastart;
3108 bfd_byte * next_table;
3109 bfd_byte * next_leaf;
3110 bfd_byte * next_string;
3111 bfd_byte * next_data;
3112 bfd_vma rva_bias;
3113 } rsrc_write_data;
3114
3115 static void
3116 rsrc_write_string (rsrc_write_data * data,
3117 rsrc_string * string)
3118 {
3119 bfd_put_16 (data->abfd, string->len, data->next_string);
3120 memcpy (data->next_string + 2, string->string, string->len * 2);
3121 data->next_string += (string->len + 1) * 2;
3122 }
3123
3124 static inline unsigned int
3125 rsrc_compute_rva (rsrc_write_data * data,
3126 bfd_byte * addr)
3127 {
3128 return (addr - data->datastart) + data->rva_bias;
3129 }
3130
3131 static void
3132 rsrc_write_leaf (rsrc_write_data * data,
3133 rsrc_leaf * leaf)
3134 {
3135 bfd_put_32 (data->abfd, rsrc_compute_rva (data, data->next_data),
3136 data->next_leaf);
3137 bfd_put_32 (data->abfd, leaf->size, data->next_leaf + 4);
3138 bfd_put_32 (data->abfd, leaf->codepage, data->next_leaf + 8);
3139 bfd_put_32 (data->abfd, 0 /*reserved*/, data->next_leaf + 12);
3140 data->next_leaf += 16;
3141
3142 memcpy (data->next_data, leaf->data, leaf->size);
3143 /* An undocumented feature of Windows resources is that each unit
3144 of raw data is 8-byte aligned... */
3145 data->next_data += ((leaf->size + 7) & ~7);
3146 }
3147
3148 static void rsrc_write_directory (rsrc_write_data *, rsrc_directory *);
3149
3150 static void
3151 rsrc_write_entry (rsrc_write_data * data,
3152 bfd_byte * where,
3153 rsrc_entry * entry)
3154 {
3155 if (entry->is_name)
3156 {
3157 bfd_put_32 (data->abfd,
3158 SetHighBit (data->next_string - data->datastart),
3159 where);
3160 rsrc_write_string (data, & entry->name_id.name);
3161 }
3162 else
3163 bfd_put_32 (data->abfd, entry->name_id.id, where);
3164
3165 if (entry->is_dir)
3166 {
3167 bfd_put_32 (data->abfd,
3168 SetHighBit (data->next_table - data->datastart),
3169 where + 4);
3170 rsrc_write_directory (data, entry->value.directory);
3171 }
3172 else
3173 {
3174 bfd_put_32 (data->abfd, data->next_leaf - data->datastart, where + 4);
3175 rsrc_write_leaf (data, entry->value.leaf);
3176 }
3177 }
3178
3179 static void
3180 rsrc_compute_region_sizes (rsrc_directory * dir)
3181 {
3182 struct rsrc_entry * entry;
3183
3184 if (dir == NULL)
3185 return;
3186
3187 sizeof_tables_and_entries += 16;
3188
3189 for (entry = dir->names.first_entry; entry != NULL; entry = entry->next_entry)
3190 {
3191 sizeof_tables_and_entries += 8;
3192
3193 sizeof_strings += (entry->name_id.name.len + 1) * 2;
3194
3195 if (entry->is_dir)
3196 rsrc_compute_region_sizes (entry->value.directory);
3197 else
3198 sizeof_leaves += 16;
3199 }
3200
3201 for (entry = dir->ids.first_entry; entry != NULL; entry = entry->next_entry)
3202 {
3203 sizeof_tables_and_entries += 8;
3204
3205 if (entry->is_dir)
3206 rsrc_compute_region_sizes (entry->value.directory);
3207 else
3208 sizeof_leaves += 16;
3209 }
3210 }
3211
3212 static void
3213 rsrc_write_directory (rsrc_write_data * data,
3214 rsrc_directory * dir)
3215 {
3216 rsrc_entry * entry;
3217 unsigned int i;
3218 bfd_byte * next_entry;
3219 bfd_byte * nt;
3220
3221 bfd_put_32 (data->abfd, dir->characteristics, data->next_table);
3222 bfd_put_32 (data->abfd, 0 /*dir->time*/, data->next_table + 4);
3223 bfd_put_16 (data->abfd, dir->major, data->next_table + 8);
3224 bfd_put_16 (data->abfd, dir->minor, data->next_table + 10);
3225 bfd_put_16 (data->abfd, dir->names.num_entries, data->next_table + 12);
3226 bfd_put_16 (data->abfd, dir->ids.num_entries, data->next_table + 14);
3227
3228 /* Compute where the entries and the next table will be placed. */
3229 next_entry = data->next_table + 16;
3230 data->next_table = next_entry + (dir->names.num_entries * 8)
3231 + (dir->ids.num_entries * 8);
3232 nt = data->next_table;
3233
3234 /* Write the entries. */
3235 for (i = dir->names.num_entries, entry = dir->names.first_entry;
3236 i > 0 && entry != NULL;
3237 i--, entry = entry->next_entry)
3238 {
3239 BFD_ASSERT (entry->is_name);
3240 rsrc_write_entry (data, next_entry, entry);
3241 next_entry += 8;
3242 }
3243 BFD_ASSERT (i == 0);
3244 BFD_ASSERT (entry == NULL);
3245
3246 for (i = dir->ids.num_entries, entry = dir->ids.first_entry;
3247 i > 0 && entry != NULL;
3248 i--, entry = entry->next_entry)
3249 {
3250 BFD_ASSERT (! entry->is_name);
3251 rsrc_write_entry (data, next_entry, entry);
3252 next_entry += 8;
3253 }
3254 BFD_ASSERT (i == 0);
3255 BFD_ASSERT (entry == NULL);
3256 BFD_ASSERT (nt == next_entry);
3257 }
3258
3259 #if defined HAVE_WCHAR_H && ! defined __CYGWIN__ && ! defined __MINGW32__
3260 /* Return the length (number of units) of the first character in S,
3261 putting its 'ucs4_t' representation in *PUC. */
3262
3263 static unsigned int
3264 u16_mbtouc (wchar_t * puc, const unsigned short * s, unsigned int n)
3265 {
3266 unsigned short c = * s;
3267
3268 if (c < 0xd800 || c >= 0xe000)
3269 {
3270 *puc = c;
3271 return 1;
3272 }
3273
3274 if (c < 0xdc00)
3275 {
3276 if (n >= 2)
3277 {
3278 if (s[1] >= 0xdc00 && s[1] < 0xe000)
3279 {
3280 *puc = 0x10000 + ((c - 0xd800) << 10) + (s[1] - 0xdc00);
3281 return 2;
3282 }
3283 }
3284 else
3285 {
3286 /* Incomplete multibyte character. */
3287 *puc = 0xfffd;
3288 return n;
3289 }
3290 }
3291
3292 /* Invalid multibyte character. */
3293 *puc = 0xfffd;
3294 return 1;
3295 }
3296 #endif /* HAVE_WCHAR_H and not Cygwin/Mingw */
3297
3298 /* Perform a comparison of two entries. */
3299 static signed int
3300 rsrc_cmp (bfd_boolean is_name, rsrc_entry * a, rsrc_entry * b)
3301 {
3302 signed int res;
3303 bfd_byte * astring;
3304 unsigned int alen;
3305 bfd_byte * bstring;
3306 unsigned int blen;
3307
3308 if (! is_name)
3309 return a->name_id.id - b->name_id.id;
3310
3311 /* We have to perform a case insenstive, unicode string comparison... */
3312 astring = a->name_id.name.string;
3313 alen = a->name_id.name.len;
3314 bstring = b->name_id.name.string;
3315 blen = b->name_id.name.len;
3316
3317 #if defined __CYGWIN__ || defined __MINGW32__
3318 /* Under Windows hosts (both Cygwin and Mingw types),
3319 unicode == UTF-16 == wchar_t. The case insensitive string comparison
3320 function however goes by different names in the two environments... */
3321
3322 #undef rscpcmp
3323 #ifdef __CYGWIN__
3324 #define rscpcmp wcsncasecmp
3325 #endif
3326 #ifdef __MINGW32__
3327 #define rscpcmp wcsnicmp
3328 #endif
3329
3330 res = rscpcmp ((const wchar_t *) astring, (const wchar_t *) bstring,
3331 min (alen, blen));
3332
3333 #elif defined HAVE_WCHAR_H
3334 {
3335 unsigned int i;
3336 res = 0;
3337 for (i = min (alen, blen); i--; astring += 2, bstring += 2)
3338 {
3339 wchar_t awc;
3340 wchar_t bwc;
3341
3342 /* Convert UTF-16 unicode characters into wchar_t characters so
3343 that we can then perform a case insensitive comparison. */
3344 int Alen = u16_mbtouc (& awc, (const unsigned short *) astring, 2);
3345 int Blen = u16_mbtouc (& bwc, (const unsigned short *) bstring, 2);
3346
3347 if (Alen != Blen)
3348 return Alen - Blen;
3349 res = wcsncasecmp (& awc, & bwc, 1);
3350 if (res)
3351 break;
3352 }
3353 }
3354 #else
3355 /* Do the best we can - a case sensitive, untranslated comparison. */
3356 res = memcmp (astring, bstring, min (alen, blen) * 2);
3357 #endif
3358
3359 if (res == 0)
3360 res = alen - blen;
3361
3362 return res;
3363 }
3364
3365 static void
3366 rsrc_print_name (char * buffer, rsrc_string string)
3367 {
3368 unsigned int i;
3369 bfd_byte * name = string.string;
3370
3371 for (i = string.len; i--; name += 2)
3372 sprintf (buffer + strlen (buffer), "%.1s", name);
3373 }
3374
3375 static const char *
3376 rsrc_resource_name (rsrc_entry * entry, rsrc_directory * dir)
3377 {
3378 static char buffer [256];
3379 bfd_boolean is_string = FALSE;
3380
3381 buffer[0] = 0;
3382
3383 if (dir != NULL && dir->entry != NULL && dir->entry->parent != NULL
3384 && dir->entry->parent->entry != NULL)
3385 {
3386 strcpy (buffer, "type: ");
3387 if (dir->entry->parent->entry->is_name)
3388 rsrc_print_name (buffer + strlen (buffer),
3389 dir->entry->parent->entry->name_id.name);
3390 else
3391 {
3392 unsigned int id = dir->entry->parent->entry->name_id.id;
3393
3394 sprintf (buffer + strlen (buffer), "%x", id);
3395 switch (id)
3396 {
3397 case 1: strcat (buffer, " (CURSOR)"); break;
3398 case 2: strcat (buffer, " (BITMAP)"); break;
3399 case 3: strcat (buffer, " (ICON)"); break;
3400 case 4: strcat (buffer, " (MENU)"); break;
3401 case 5: strcat (buffer, " (DIALOG)"); break;
3402 case 6: strcat (buffer, " (STRING)"); is_string = TRUE; break;
3403 case 7: strcat (buffer, " (FONTDIR)"); break;
3404 case 8: strcat (buffer, " (FONT)"); break;
3405 case 9: strcat (buffer, " (ACCELERATOR)"); break;
3406 case 10: strcat (buffer, " (RCDATA)"); break;
3407 case 11: strcat (buffer, " (MESSAGETABLE)"); break;
3408 case 12: strcat (buffer, " (GROUP_CURSOR)"); break;
3409 case 14: strcat (buffer, " (GROUP_ICON)"); break;
3410 case 16: strcat (buffer, " (VERSION)"); break;
3411 case 17: strcat (buffer, " (DLGINCLUDE)"); break;
3412 case 19: strcat (buffer, " (PLUGPLAY)"); break;
3413 case 20: strcat (buffer, " (VXD)"); break;
3414 case 21: strcat (buffer, " (ANICURSOR)"); break;
3415 case 22: strcat (buffer, " (ANIICON)"); break;
3416 case 23: strcat (buffer, " (HTML)"); break;
3417 case 24: strcat (buffer, " (MANIFEST)"); break;
3418 case 240: strcat (buffer, " (DLGINIT)"); break;
3419 case 241: strcat (buffer, " (TOOLBAR)"); break;
3420 }
3421 }
3422 }
3423
3424 if (dir != NULL && dir->entry != NULL)
3425 {
3426 strcat (buffer, " name: ");
3427 if (dir->entry->is_name)
3428 rsrc_print_name (buffer + strlen (buffer), dir->entry->name_id.name);
3429 else
3430 {
3431 unsigned int id = dir->entry->name_id.id;
3432
3433 sprintf (buffer + strlen (buffer), "%x", id);
3434
3435 if (is_string)
3436 sprintf (buffer + strlen (buffer), " (resource id range: %d - %d)",
3437 (id - 1) << 4, (id << 4) - 1);
3438 }
3439 }
3440
3441 if (entry != NULL)
3442 {
3443 strcat (buffer, " lang: ");
3444
3445 if (entry->is_name)
3446 rsrc_print_name (buffer + strlen (buffer), entry->name_id.name);
3447 else
3448 sprintf (buffer + strlen (buffer), "%x", entry->name_id.id);
3449 }
3450
3451 return buffer;
3452 }
3453
3454 /* *sigh* Windows resource strings are special. Only the top 28-bits of
3455 their ID is stored in the NAME entry. The bottom four bits are used as
3456 an index into unicode string table that makes up the data of the leaf.
3457 So identical type-name-lang string resources may not actually be
3458 identical at all.
3459
3460 This function is called when we have detected two string resources with
3461 match top-28-bit IDs. We have to scan the string tables inside the leaves
3462 and discover if there are any real collisions. If there are then we report
3463 them and return FALSE. Otherwise we copy any strings from B into A and
3464 then return TRUE. */
3465
3466 static bfd_boolean
3467 rsrc_merge_string_entries (rsrc_entry * a ATTRIBUTE_UNUSED,
3468 rsrc_entry * b ATTRIBUTE_UNUSED)
3469 {
3470 unsigned int copy_needed = 0;
3471 unsigned int i;
3472 bfd_byte * astring;
3473 bfd_byte * bstring;
3474 bfd_byte * new_data;
3475 bfd_byte * nstring;
3476
3477 /* Step one: Find out what we have to do. */
3478 BFD_ASSERT (! a->is_dir);
3479 astring = a->value.leaf->data;
3480
3481 BFD_ASSERT (! b->is_dir);
3482 bstring = b->value.leaf->data;
3483
3484 for (i = 0; i < 16; i++)
3485 {
3486 unsigned int alen = astring[0] + (astring[1] << 8);
3487 unsigned int blen = bstring[0] + (bstring[1] << 8);
3488
3489 if (alen == 0)
3490 {
3491 copy_needed += blen * 2;
3492 }
3493 else if (blen == 0)
3494 ;
3495 else if (alen != blen)
3496 /* FIXME: Should we continue the loop in order to report other duplicates ? */
3497 break;
3498 /* alen == blen != 0. We might have two identical strings. If so we
3499 can ignore the second one. There is no need for wchar_t vs UTF-16
3500 theatrics here - we are only interested in (case sensitive) equality. */
3501 else if (memcmp (astring + 2, bstring + 2, alen * 2) != 0)
3502 break;
3503
3504 astring += (alen + 1) * 2;
3505 bstring += (blen + 1) * 2;
3506 }
3507
3508 if (i != 16)
3509 {
3510 if (a->parent != NULL
3511 && a->parent->entry != NULL
3512 && a->parent->entry->is_name == FALSE)
3513 _bfd_error_handler (_(".rsrc merge failure: duplicate string resource: %d"),
3514 ((a->parent->entry->name_id.id - 1) << 4) + i);
3515 return FALSE;
3516 }
3517
3518 if (copy_needed == 0)
3519 return TRUE;
3520
3521 /* If we reach here then A and B must both have non-colliding strings.
3522 (We never get string resources with fully empty string tables).
3523 We need to allocate an extra COPY_NEEDED bytes in A and then bring
3524 in B's strings. */
3525 new_data = bfd_malloc (a->value.leaf->size + copy_needed);
3526 if (new_data == NULL)
3527 return FALSE;
3528
3529 nstring = new_data;
3530 astring = a->value.leaf->data;
3531 bstring = b->value.leaf->data;
3532
3533 for (i = 0; i < 16; i++)
3534 {
3535 unsigned int alen = astring[0] + (astring[1] << 8);
3536 unsigned int blen = bstring[0] + (bstring[1] << 8);
3537
3538 if (alen != 0)
3539 {
3540 memcpy (nstring, astring, (alen + 1) * 2);
3541 nstring += (alen + 1) * 2;
3542 }
3543 else if (blen != 0)
3544 {
3545 memcpy (nstring, bstring, (blen + 1) * 2);
3546 nstring += (blen + 1) * 2;
3547 }
3548 else
3549 {
3550 * nstring++ = 0;
3551 * nstring++ = 0;
3552 }
3553
3554 astring += (alen + 1) * 2;
3555 bstring += (blen + 1) * 2;
3556 }
3557
3558 BFD_ASSERT (nstring - new_data == (signed) (a->value.leaf->size + copy_needed));
3559
3560 free (a->value.leaf->data);
3561 a->value.leaf->data = new_data;
3562 a->value.leaf->size += copy_needed;
3563
3564 return TRUE;
3565 }
3566
3567 static void rsrc_merge (rsrc_entry *, rsrc_entry *);
3568
3569 /* Sort the entries in given part of the directory.
3570 We use an old fashioned bubble sort because we are dealing
3571 with lists and we want to handle matches specially. */
3572
3573 static void
3574 rsrc_sort_entries (rsrc_dir_chain * chain,
3575 bfd_boolean is_name,
3576 rsrc_directory * dir)
3577 {
3578 rsrc_entry * entry;
3579 rsrc_entry * next;
3580 rsrc_entry ** points_to_entry;
3581 bfd_boolean swapped;
3582
3583 if (chain->num_entries < 2)
3584 return;
3585
3586 do
3587 {
3588 swapped = FALSE;
3589 points_to_entry = & chain->first_entry;
3590 entry = * points_to_entry;
3591 next = entry->next_entry;
3592
3593 do
3594 {
3595 signed int cmp = rsrc_cmp (is_name, entry, next);
3596
3597 if (cmp > 0)
3598 {
3599 entry->next_entry = next->next_entry;
3600 next->next_entry = entry;
3601 * points_to_entry = next;
3602 points_to_entry = & next->next_entry;
3603 next = entry->next_entry;
3604 swapped = TRUE;
3605 }
3606 else if (cmp == 0)
3607 {
3608 if (entry->is_dir && next->is_dir)
3609 {
3610 /* When we encounter identical directory entries we have to
3611 merge them together. The exception to this rule is for
3612 resource manifests - there can only be one of these,
3613 even if they differ in language. Zero-language manifests
3614 are assumed to be default manifests (provided by the
3615 Cygwin/MinGW build system) and these can be silently dropped,
3616 unless that would reduce the number of manifests to zero.
3617 There should only ever be one non-zero lang manifest -
3618 if there are more it is an error. A non-zero lang
3619 manifest takes precedence over a default manifest. */
3620 if (entry->is_name == FALSE
3621 && entry->name_id.id == 1
3622 && dir != NULL
3623 && dir->entry != NULL
3624 && dir->entry->is_name == FALSE
3625 && dir->entry->name_id.id == 0x18)
3626 {
3627 if (next->value.directory->names.num_entries == 0
3628 && next->value.directory->ids.num_entries == 1
3629 && next->value.directory->ids.first_entry->is_name == FALSE
3630 && next->value.directory->ids.first_entry->name_id.id == 0)
3631 /* Fall through so that NEXT is dropped. */
3632 ;
3633 else if (entry->value.directory->names.num_entries == 0
3634 && entry->value.directory->ids.num_entries == 1
3635 && entry->value.directory->ids.first_entry->is_name == FALSE
3636 && entry->value.directory->ids.first_entry->name_id.id == 0)
3637 {
3638 /* Swap ENTRY and NEXT. Then fall through so that the old ENTRY is dropped. */
3639 entry->next_entry = next->next_entry;
3640 next->next_entry = entry;
3641 * points_to_entry = next;
3642 points_to_entry = & next->next_entry;
3643 next = entry->next_entry;
3644 swapped = TRUE;
3645 }
3646 else
3647 {
3648 _bfd_error_handler (_(".rsrc merge failure: multiple non-default manifests"));
3649 bfd_set_error (bfd_error_file_truncated);
3650 return;
3651 }
3652
3653 /* Unhook NEXT from the chain. */
3654 /* FIXME: memory loss here. */
3655 entry->next_entry = next->next_entry;
3656 chain->num_entries --;
3657 if (chain->num_entries < 2)
3658 return;
3659 next = next->next_entry;
3660 }
3661 else
3662 rsrc_merge (entry, next);
3663 }
3664 else if (entry->is_dir != next->is_dir)
3665 {
3666 _bfd_error_handler (_(".rsrc merge failure: a directory matches a leaf"));
3667 bfd_set_error (bfd_error_file_truncated);
3668 return;
3669 }
3670 else
3671 {
3672 /* Otherwise with identical leaves we issue an error
3673 message - because there should never be duplicates.
3674 The exception is Type 18/Name 1/Lang 0 which is the
3675 defaul manifest - this can just be dropped. */
3676 if (entry->is_name == FALSE
3677 && entry->name_id.id == 0
3678 && dir != NULL
3679 && dir->entry != NULL
3680 && dir->entry->is_name == FALSE
3681 && dir->entry->name_id.id == 1
3682 && dir->entry->parent != NULL
3683 && dir->entry->parent->entry != NULL
3684 && dir->entry->parent->entry->is_name == FALSE
3685 && dir->entry->parent->entry->name_id.id == 0x18 /* RT_MANIFEST */)
3686 ;
3687 else if (dir != NULL
3688 && dir->entry != NULL
3689 && dir->entry->parent != NULL
3690 && dir->entry->parent->entry != NULL
3691 && dir->entry->parent->entry->is_name == FALSE
3692 && dir->entry->parent->entry->name_id.id == 0x6 /* RT_STRING */)
3693 {
3694 /* Strings need special handling. */
3695 if (! rsrc_merge_string_entries (entry, next))
3696 {
3697 /* _bfd_error_handler should have been called inside merge_strings. */
3698 bfd_set_error (bfd_error_file_truncated);
3699 return;
3700 }
3701 }
3702 else
3703 {
3704 if (dir == NULL
3705 || dir->entry == NULL
3706 || dir->entry->parent == NULL
3707 || dir->entry->parent->entry == NULL)
3708 _bfd_error_handler (_(".rsrc merge failure: duplicate leaf"));
3709 else
3710 _bfd_error_handler (_(".rsrc merge failure: duplicate leaf: %s"),
3711 rsrc_resource_name (entry, dir));
3712 bfd_set_error (bfd_error_file_truncated);
3713 return;
3714 }
3715 }
3716
3717 /* Unhook NEXT from the chain. */
3718 entry->next_entry = next->next_entry;
3719 chain->num_entries --;
3720 if (chain->num_entries < 2)
3721 return;
3722 next = next->next_entry;
3723 }
3724 else
3725 {
3726 points_to_entry = & entry->next_entry;
3727 entry = next;
3728 next = next->next_entry;
3729 }
3730 }
3731 while (next);
3732
3733 chain->last_entry = entry;
3734 }
3735 while (swapped);
3736 }
3737
3738 /* Attach B's chain onto A. */
3739 static void
3740 rsrc_attach_chain (rsrc_dir_chain * achain, rsrc_dir_chain * bchain)
3741 {
3742 if (bchain->num_entries == 0)
3743 return;
3744
3745 achain->num_entries += bchain->num_entries;
3746
3747 if (achain->first_entry == NULL)
3748 {
3749 achain->first_entry = bchain->first_entry;
3750 achain->last_entry = bchain->last_entry;
3751 }
3752 else
3753 {
3754 achain->last_entry->next_entry = bchain->first_entry;
3755 achain->last_entry = bchain->last_entry;
3756 }
3757
3758 bchain->num_entries = 0;
3759 bchain->first_entry = bchain->last_entry = NULL;
3760 }
3761
3762 static void
3763 rsrc_merge (struct rsrc_entry * a, struct rsrc_entry * b)
3764 {
3765 rsrc_directory * adir;
3766 rsrc_directory * bdir;
3767
3768 BFD_ASSERT (a->is_dir);
3769 BFD_ASSERT (b->is_dir);
3770
3771 adir = a->value.directory;
3772 bdir = b->value.directory;
3773
3774 if (adir->characteristics != bdir->characteristics)
3775 {
3776 _bfd_error_handler (_(".rsrc merge failure: dirs with differing characteristics\n"));
3777 bfd_set_error (bfd_error_file_truncated);
3778 return;
3779 }
3780
3781 if (adir->major != bdir->major || adir->minor != bdir->minor)
3782 {
3783 _bfd_error_handler (_(".rsrc merge failure: differing directory versions\n"));
3784 bfd_set_error (bfd_error_file_truncated);
3785 return;
3786 }
3787
3788 /* Attach B's name chain to A. */
3789 rsrc_attach_chain (& adir->names, & bdir->names);
3790
3791 /* Attach B's ID chain to A. */
3792 rsrc_attach_chain (& adir->ids, & bdir->ids);
3793
3794 /* Now sort A's entries. */
3795 rsrc_sort_entries (& adir->names, TRUE, adir);
3796 rsrc_sort_entries (& adir->ids, FALSE, adir);
3797 }
3798
3799 /* Check the .rsrc section. If it contains multiple concatenated
3800 resources then we must merge them properly. Otherwise Windows
3801 will ignore all but the first set. */
3802
3803 static void
3804 rsrc_process_section (bfd * abfd,
3805 struct coff_final_link_info * pfinfo)
3806 {
3807 rsrc_directory new_table;
3808 bfd_size_type size;
3809 asection * sec;
3810 pe_data_type * pe;
3811 bfd_vma rva_bias;
3812 bfd_byte * data;
3813 bfd_byte * datastart;
3814 bfd_byte * dataend;
3815 bfd_byte * new_data;
3816 unsigned int num_resource_sets;
3817 rsrc_directory * type_tables;
3818 rsrc_write_data write_data;
3819 unsigned int indx;
3820 bfd * input;
3821 unsigned int num_input_rsrc = 0;
3822 unsigned int max_num_input_rsrc = 4;
3823 ptrdiff_t * rsrc_sizes = NULL;
3824
3825 new_table.names.num_entries = 0;
3826 new_table.ids.num_entries = 0;
3827
3828 sec = bfd_get_section_by_name (abfd, ".rsrc");
3829 if (sec == NULL || (size = sec->rawsize) == 0)
3830 return;
3831
3832 pe = pe_data (abfd);
3833 if (pe == NULL)
3834 return;
3835
3836 rva_bias = sec->vma - pe->pe_opthdr.ImageBase;
3837
3838 data = bfd_malloc (size);
3839 if (data == NULL)
3840 return;
3841 datastart = data;
3842
3843 if (! bfd_get_section_contents (abfd, sec, data, 0, size))
3844 goto end;
3845
3846 /* Step zero: Scan the input bfds looking for .rsrc sections and record
3847 their lengths. Note - we rely upon the fact that the linker script
3848 does *not* sort the input .rsrc sections, so that the order in the
3849 linkinfo list matches the order in the output .rsrc section.
3850
3851 We need to know the lengths because each input .rsrc section has padding
3852 at the end of a variable amount. (It does not appear to be based upon
3853 the section alignment or the file alignment). We need to skip any
3854 padding bytes when parsing the input .rsrc sections. */
3855 rsrc_sizes = bfd_malloc (max_num_input_rsrc * sizeof * rsrc_sizes);
3856 if (rsrc_sizes == NULL)
3857 goto end;
3858
3859 for (input = pfinfo->info->input_bfds;
3860 input != NULL;
3861 input = input->link_next)
3862 {
3863 asection * rsrc_sec = bfd_get_section_by_name (input, ".rsrc");
3864
3865 if (rsrc_sec != NULL)
3866 {
3867 if (num_input_rsrc == max_num_input_rsrc)
3868 {
3869 max_num_input_rsrc += 10;
3870 rsrc_sizes = bfd_realloc (rsrc_sizes, max_num_input_rsrc
3871 * sizeof * rsrc_sizes);
3872 if (rsrc_sizes == NULL)
3873 goto end;
3874 }
3875
3876 BFD_ASSERT (rsrc_sec->size > 0);
3877 rsrc_sizes [num_input_rsrc ++] = rsrc_sec->size;
3878 }
3879 }
3880
3881 if (num_input_rsrc < 2)
3882 goto end;
3883
3884 /* Step one: Walk the section, computing the size of the tables,
3885 leaves and data and decide if we need to do anything. */
3886 dataend = data + size;
3887 num_resource_sets = 0;
3888
3889 while (data < dataend)
3890 {
3891 bfd_byte * p = data;
3892
3893 data = rsrc_count_directory (abfd, data, data, dataend, rva_bias);
3894
3895 if (data > dataend)
3896 {
3897 /* Corrupted .rsrc section - cannot merge. */
3898 _bfd_error_handler (_("%s: .rsrc merge failure: corrupt .rsrc section"),
3899 bfd_get_filename (abfd));
3900 bfd_set_error (bfd_error_file_truncated);
3901 goto end;
3902 }
3903
3904 if ((data - p) > rsrc_sizes [num_resource_sets])
3905 {
3906 _bfd_error_handler (_("%s: .rsrc merge failure: unexpected .rsrc size"),
3907 bfd_get_filename (abfd));
3908 bfd_set_error (bfd_error_file_truncated);
3909 goto end;
3910 }
3911 /* FIXME: Should we add a check for "data - p" being much smaller
3912 than rsrc_sizes[num_resource_sets] ? */
3913
3914 data = p + rsrc_sizes[num_resource_sets];
3915 rva_bias += data - p;
3916 ++ num_resource_sets;
3917 }
3918 BFD_ASSERT (num_resource_sets == num_input_rsrc);
3919
3920 /* Step two: Walk the data again, building trees of the resources. */
3921 data = datastart;
3922 rva_bias = sec->vma - pe->pe_opthdr.ImageBase;
3923
3924 type_tables = bfd_malloc (num_resource_sets * sizeof * type_tables);
3925 if (type_tables == NULL)
3926 goto end;
3927
3928 indx = 0;
3929 while (data < dataend)
3930 {
3931 bfd_byte * p = data;
3932
3933 (void) rsrc_parse_directory (abfd, type_tables + indx, data, data,
3934 dataend, rva_bias, NULL);
3935 data = p + rsrc_sizes[indx];
3936 rva_bias += data - p;
3937 ++ indx;
3938 }
3939 BFD_ASSERT (indx == num_resource_sets);
3940
3941 /* Step three: Merge the top level tables (there can be only one).
3942
3943 We must ensure that the merged entries are in ascending order.
3944
3945 We also thread the top level table entries from the old tree onto
3946 the new table, so that they can be pulled off later. */
3947
3948 /* FIXME: Should we verify that all type tables are the same ? */
3949 new_table.characteristics = type_tables[0].characteristics;
3950 new_table.time = type_tables[0].time;
3951 new_table.major = type_tables[0].major;
3952 new_table.minor = type_tables[0].minor;
3953
3954 /* Chain the NAME entries onto the table. */
3955 new_table.names.first_entry = NULL;
3956 new_table.names.last_entry = NULL;
3957
3958 for (indx = 0; indx < num_resource_sets; indx++)
3959 rsrc_attach_chain (& new_table.names, & type_tables[indx].names);
3960
3961 rsrc_sort_entries (& new_table.names, TRUE, & new_table);
3962
3963 /* Chain the ID entries onto the table. */
3964 new_table.ids.first_entry = NULL;
3965 new_table.ids.last_entry = NULL;
3966
3967 for (indx = 0; indx < num_resource_sets; indx++)
3968 rsrc_attach_chain (& new_table.ids, & type_tables[indx].ids);
3969
3970 rsrc_sort_entries (& new_table.ids, FALSE, & new_table);
3971
3972 /* Step four: Create new contents for the .rsrc section. */
3973 /* Step four point one: Compute the size of each region of the .rsrc section.
3974 We do this now, rather than earlier, as the merging above may have dropped
3975 some entries. */
3976 sizeof_leaves = sizeof_strings = sizeof_tables_and_entries = 0;
3977 rsrc_compute_region_sizes (& new_table);
3978 /* We increment sizeof_strings to make sure that resource data
3979 starts on an 8-byte boundary. FIXME: Is this correct ? */
3980 sizeof_strings = (sizeof_strings + 7) & ~ 7;
3981
3982 new_data = bfd_malloc (size);
3983 if (new_data == NULL)
3984 goto end;
3985
3986 write_data.abfd = abfd;
3987 write_data.datastart = new_data;
3988 write_data.next_table = new_data;
3989 write_data.next_leaf = new_data + sizeof_tables_and_entries;
3990 write_data.next_string = write_data.next_leaf + sizeof_leaves;
3991 write_data.next_data = write_data.next_string + sizeof_strings;
3992 write_data.rva_bias = sec->vma - pe->pe_opthdr.ImageBase;
3993
3994 rsrc_write_directory (& write_data, & new_table);
3995
3996 /* Step five: Replace the old contents with the new.
3997 We recompute the size as we may have lost entries due to mergeing. */
3998 size = ((write_data.next_data - new_data) + 3) & ~ 3;
3999 bfd_set_section_contents (pfinfo->output_bfd, sec, new_data, 0, size);
4000 sec->size = sec->rawsize = size;
4001
4002 end:
4003 /* Step six: Free all the memory that we have used. */
4004 /* FIXME: Free the resource tree, if we have one. */
4005 free (datastart);
4006 free (rsrc_sizes);
4007 }
4008
4009 /* Handle the .idata section and other things that need symbol table
4010 access. */
4011
4012 bfd_boolean
4013 _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
4014 {
4015 struct coff_link_hash_entry *h1;
4016 struct bfd_link_info *info = pfinfo->info;
4017 bfd_boolean result = TRUE;
4018
4019 /* There are a few fields that need to be filled in now while we
4020 have symbol table access.
4021
4022 The .idata subsections aren't directly available as sections, but
4023 they are in the symbol table, so get them from there. */
4024
4025 /* The import directory. This is the address of .idata$2, with size
4026 of .idata$2 + .idata$3. */
4027 h1 = coff_link_hash_lookup (coff_hash_table (info),
4028 ".idata$2", FALSE, FALSE, TRUE);
4029 if (h1 != NULL)
4030 {
4031 /* PR ld/2729: We cannot rely upon all the output sections having been
4032 created properly, so check before referencing them. Issue a warning
4033 message for any sections tht could not be found. */
4034 if ((h1->root.type == bfd_link_hash_defined
4035 || h1->root.type == bfd_link_hash_defweak)
4036 && h1->root.u.def.section != NULL
4037 && h1->root.u.def.section->output_section != NULL)
4038 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_TABLE].VirtualAddress =
4039 (h1->root.u.def.value
4040 + h1->root.u.def.section->output_section->vma
4041 + h1->root.u.def.section->output_offset);
4042 else
4043 {
4044 _bfd_error_handler
4045 (_("%B: unable to fill in DataDictionary[1] because .idata$2 is missing"),
4046 abfd);
4047 result = FALSE;
4048 }
4049
4050 h1 = coff_link_hash_lookup (coff_hash_table (info),
4051 ".idata$4", FALSE, FALSE, TRUE);
4052 if (h1 != NULL
4053 && (h1->root.type == bfd_link_hash_defined
4054 || h1->root.type == bfd_link_hash_defweak)
4055 && h1->root.u.def.section != NULL
4056 && h1->root.u.def.section->output_section != NULL)
4057 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_TABLE].Size =
4058 ((h1->root.u.def.value
4059 + h1->root.u.def.section->output_section->vma
4060 + h1->root.u.def.section->output_offset)
4061 - pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_TABLE].VirtualAddress);
4062 else
4063 {
4064 _bfd_error_handler
4065 (_("%B: unable to fill in DataDictionary[1] because .idata$4 is missing"),
4066 abfd);
4067 result = FALSE;
4068 }
4069
4070 /* The import address table. This is the size/address of
4071 .idata$5. */
4072 h1 = coff_link_hash_lookup (coff_hash_table (info),
4073 ".idata$5", FALSE, FALSE, TRUE);
4074 if (h1 != NULL
4075 && (h1->root.type == bfd_link_hash_defined
4076 || h1->root.type == bfd_link_hash_defweak)
4077 && h1->root.u.def.section != NULL
4078 && h1->root.u.def.section->output_section != NULL)
4079 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress =
4080 (h1->root.u.def.value
4081 + h1->root.u.def.section->output_section->vma
4082 + h1->root.u.def.section->output_offset);
4083 else
4084 {
4085 _bfd_error_handler
4086 (_("%B: unable to fill in DataDictionary[12] because .idata$5 is missing"),
4087 abfd);
4088 result = FALSE;
4089 }
4090
4091 h1 = coff_link_hash_lookup (coff_hash_table (info),
4092 ".idata$6", FALSE, FALSE, TRUE);
4093 if (h1 != NULL
4094 && (h1->root.type == bfd_link_hash_defined
4095 || h1->root.type == bfd_link_hash_defweak)
4096 && h1->root.u.def.section != NULL
4097 && h1->root.u.def.section->output_section != NULL)
4098 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].Size =
4099 ((h1->root.u.def.value
4100 + h1->root.u.def.section->output_section->vma
4101 + h1->root.u.def.section->output_offset)
4102 - pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress);
4103 else
4104 {
4105 _bfd_error_handler
4106 (_("%B: unable to fill in DataDictionary[PE_IMPORT_ADDRESS_TABLE (12)] because .idata$6 is missing"),
4107 abfd);
4108 result = FALSE;
4109 }
4110 }
4111 else
4112 {
4113 h1 = coff_link_hash_lookup (coff_hash_table (info),
4114 "__IAT_start__", FALSE, FALSE, TRUE);
4115 if (h1 != NULL
4116 && (h1->root.type == bfd_link_hash_defined
4117 || h1->root.type == bfd_link_hash_defweak)
4118 && h1->root.u.def.section != NULL
4119 && h1->root.u.def.section->output_section != NULL)
4120 {
4121 bfd_vma iat_va;
4122
4123 iat_va =
4124 (h1->root.u.def.value
4125 + h1->root.u.def.section->output_section->vma
4126 + h1->root.u.def.section->output_offset);
4127
4128 h1 = coff_link_hash_lookup (coff_hash_table (info),
4129 "__IAT_end__", FALSE, FALSE, TRUE);
4130 if (h1 != NULL
4131 && (h1->root.type == bfd_link_hash_defined
4132 || h1->root.type == bfd_link_hash_defweak)
4133 && h1->root.u.def.section != NULL
4134 && h1->root.u.def.section->output_section != NULL)
4135 {
4136 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].Size =
4137 ((h1->root.u.def.value
4138 + h1->root.u.def.section->output_section->vma
4139 + h1->root.u.def.section->output_offset)
4140 - iat_va);
4141 if (pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].Size != 0)
4142 pe_data (abfd)->pe_opthdr.DataDirectory[PE_IMPORT_ADDRESS_TABLE].VirtualAddress =
4143 iat_va - pe_data (abfd)->pe_opthdr.ImageBase;
4144 }
4145 else
4146 {
4147 _bfd_error_handler
4148 (_("%B: unable to fill in DataDictionary[PE_IMPORT_ADDRESS_TABLE(12)]"
4149 " because .idata$6 is missing"), abfd);
4150 result = FALSE;
4151 }
4152 }
4153 }
4154
4155 h1 = coff_link_hash_lookup (coff_hash_table (info),
4156 (bfd_get_symbol_leading_char (abfd) != 0
4157 ? "__tls_used" : "_tls_used"),
4158 FALSE, FALSE, TRUE);
4159 if (h1 != NULL)
4160 {
4161 if ((h1->root.type == bfd_link_hash_defined
4162 || h1->root.type == bfd_link_hash_defweak)
4163 && h1->root.u.def.section != NULL
4164 && h1->root.u.def.section->output_section != NULL)
4165 pe_data (abfd)->pe_opthdr.DataDirectory[PE_TLS_TABLE].VirtualAddress =
4166 (h1->root.u.def.value
4167 + h1->root.u.def.section->output_section->vma
4168 + h1->root.u.def.section->output_offset
4169 - pe_data (abfd)->pe_opthdr.ImageBase);
4170 else
4171 {
4172 _bfd_error_handler
4173 (_("%B: unable to fill in DataDictionary[9] because __tls_used is missing"),
4174 abfd);
4175 result = FALSE;
4176 }
4177 /* According to PECOFF sepcifications by Microsoft version 8.2
4178 the TLS data directory consists of 4 pointers, followed
4179 by two 4-byte integer. This implies that the total size
4180 is different for 32-bit and 64-bit executables. */
4181 #if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64)
4182 pe_data (abfd)->pe_opthdr.DataDirectory[PE_TLS_TABLE].Size = 0x18;
4183 #else
4184 pe_data (abfd)->pe_opthdr.DataDirectory[PE_TLS_TABLE].Size = 0x28;
4185 #endif
4186 }
4187
4188 /* If there is a .pdata section and we have linked pdata finally, we
4189 need to sort the entries ascending. */
4190 #if !defined(COFF_WITH_pep) && defined(COFF_WITH_pex64)
4191 {
4192 asection *sec = bfd_get_section_by_name (abfd, ".pdata");
4193
4194 if (sec)
4195 {
4196 bfd_size_type x = sec->rawsize;
4197 bfd_byte *tmp_data = NULL;
4198
4199 if (x)
4200 tmp_data = bfd_malloc (x);
4201
4202 if (tmp_data != NULL)
4203 {
4204 if (bfd_get_section_contents (abfd, sec, tmp_data, 0, x))
4205 {
4206 qsort (tmp_data,
4207 (size_t) (x / 12),
4208 12, sort_x64_pdata);
4209 bfd_set_section_contents (pfinfo->output_bfd, sec,
4210 tmp_data, 0, x);
4211 }
4212 free (tmp_data);
4213 }
4214 }
4215 }
4216 #endif
4217
4218 rsrc_process_section (abfd, pfinfo);
4219
4220 /* If we couldn't find idata$2, we either have an excessively
4221 trivial program or are in DEEP trouble; we have to assume trivial
4222 program.... */
4223 return result;
4224 }
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