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Commit | Line | Data |
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252b5132 | 1 | /* Routines to help build PEI-format DLLs (Win32 etc) |
53baae48 | 2 | Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
4d8907ac | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by DJ Delorie <dj@cygnus.com> |
5 | ||
6 | This file is part of GLD, the Gnu Linker. | |
7 | ||
8 | GLD is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GLD is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GLD; see the file COPYING. If not, write to the Free | |
75be928b NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | #include "bfd.h" | |
24 | #include "sysdep.h" | |
25 | #include "bfdlink.h" | |
26 | #include "libiberty.h" | |
3882b010 | 27 | #include "safe-ctype.h" |
252b5132 RH |
28 | |
29 | #include <time.h> | |
252b5132 RH |
30 | |
31 | #include "ld.h" | |
32 | #include "ldexp.h" | |
33 | #include "ldlang.h" | |
34 | #include "ldwrite.h" | |
35 | #include "ldmisc.h" | |
df2a7313 | 36 | #include <ldgram.h> |
252b5132 | 37 | #include "ldmain.h" |
b71e2778 | 38 | #include "ldfile.h" |
252b5132 RH |
39 | #include "ldemul.h" |
40 | #include "coff/internal.h" | |
41 | #include "../bfd/libcoff.h" | |
42 | #include "deffile.h" | |
99ad8390 NC |
43 | |
44 | #ifdef pe_use_x86_64 | |
45 | ||
46 | #define PE_IDATA4_SIZE 8 | |
47 | #define PE_IDATA5_SIZE 8 | |
48 | #include "pep-dll.h" | |
49 | #undef AOUTSZ | |
50 | #define AOUTSZ PEPAOUTSZ | |
51 | #define PEAOUTHDR PEPAOUTHDR | |
52 | ||
53 | #else | |
54 | ||
1069dd8d | 55 | #include "pe-dll.h" |
252b5132 | 56 | |
99ad8390 NC |
57 | #endif |
58 | ||
59 | #ifndef PE_IDATA4_SIZE | |
60 | #define PE_IDATA4_SIZE 4 | |
61 | #endif | |
62 | ||
63 | #ifndef PE_IDATA5_SIZE | |
64 | #define PE_IDATA5_SIZE 4 | |
65 | #endif | |
66 | ||
775cabad NC |
67 | /* This file turns a regular Windows PE image into a DLL. Because of |
68 | the complexity of this operation, it has been broken down into a | |
69 | number of separate modules which are all called by the main function | |
70 | at the end of this file. This function is not re-entrant and is | |
71 | normally only called once, so static variables are used to reduce | |
72 | the number of parameters and return values required. | |
b7a26f91 | 73 | |
99ad8390 | 74 | See also: ld/emultempl/pe.em and ld/emultempl/pep.em. */ |
775cabad NC |
75 | |
76 | /* Auto-import feature by Paul Sokolovsky | |
77 | ||
78 | Quick facts: | |
79 | ||
80 | 1. With this feature on, DLL clients can import variables from DLL | |
81 | without any concern from their side (for example, without any source | |
82 | code modifications). | |
83 | ||
84 | 2. This is done completely in bounds of the PE specification (to be fair, | |
396a2467 | 85 | there's a place where it pokes nose out of, but in practice it works). |
775cabad NC |
86 | So, resulting module can be used with any other PE compiler/linker. |
87 | ||
88 | 3. Auto-import is fully compatible with standard import method and they | |
89 | can be mixed together. | |
90 | ||
91 | 4. Overheads: space: 8 bytes per imported symbol, plus 20 for each | |
92 | reference to it; load time: negligible; virtual/physical memory: should be | |
93 | less than effect of DLL relocation, and I sincerely hope it doesn't affect | |
94 | DLL sharability (too much). | |
95 | ||
96 | Idea | |
97 | ||
98 | The obvious and only way to get rid of dllimport insanity is to make client | |
99 | access variable directly in the DLL, bypassing extra dereference. I.e., | |
396a2467 | 100 | whenever client contains something like |
775cabad NC |
101 | |
102 | mov dll_var,%eax, | |
103 | ||
104 | address of dll_var in the command should be relocated to point into loaded | |
105 | DLL. The aim is to make OS loader do so, and than make ld help with that. | |
106 | Import section of PE made following way: there's a vector of structures | |
107 | each describing imports from particular DLL. Each such structure points | |
396a2467 | 108 | to two other parallel vectors: one holding imported names, and one which |
775cabad NC |
109 | will hold address of corresponding imported name. So, the solution is |
110 | de-vectorize these structures, making import locations be sparse and | |
111 | pointing directly into code. Before continuing, it is worth a note that, | |
112 | while authors strives to make PE act ELF-like, there're some other people | |
113 | make ELF act PE-like: elfvector, ;-) . | |
114 | ||
115 | Implementation | |
116 | ||
117 | For each reference of data symbol to be imported from DLL (to set of which | |
118 | belong symbols with name <sym>, if __imp_<sym> is found in implib), the | |
119 | import fixup entry is generated. That entry is of type | |
53baae48 | 120 | IMAGE_IMPORT_DESCRIPTOR and stored in .idata$2 subsection. Each |
775cabad NC |
121 | fixup entry contains pointer to symbol's address within .text section |
122 | (marked with __fuN_<sym> symbol, where N is integer), pointer to DLL name | |
123 | (so, DLL name is referenced by multiple entries), and pointer to symbol | |
124 | name thunk. Symbol name thunk is singleton vector (__nm_th_<symbol>) | |
125 | pointing to IMAGE_IMPORT_BY_NAME structure (__nm_<symbol>) directly | |
00479ba8 | 126 | containing imported name. Here comes that "on the edge" problem mentioned |
775cabad NC |
127 | above: PE specification rambles that name vector (OriginalFirstThunk) |
128 | should run in parallel with addresses vector (FirstThunk), i.e. that they | |
129 | should have same number of elements and terminated with zero. We violate | |
396a2467 | 130 | this, since FirstThunk points directly into machine code. But in practice, |
775cabad NC |
131 | OS loader implemented the sane way: it goes thru OriginalFirstThunk and |
132 | puts addresses to FirstThunk, not something else. It once again should be | |
133 | noted that dll and symbol name structures are reused across fixup entries | |
134 | and should be there anyway to support standard import stuff, so sustained | |
135 | overhead is 20 bytes per reference. Other question is whether having several | |
136 | IMAGE_IMPORT_DESCRIPTORS for the same DLL is possible. Answer is yes, it is | |
137 | done even by native compiler/linker (libth32's functions are in fact reside | |
138 | in windows9x kernel32.dll, so if you use it, you have two | |
139 | IMAGE_IMPORT_DESCRIPTORS for kernel32.dll). Yet other question is whether | |
140 | referencing the same PE structures several times is valid. The answer is why | |
396a2467 | 141 | not, prohibiting that (detecting violation) would require more work on |
775cabad NC |
142 | behalf of loader than not doing it. |
143 | ||
99ad8390 | 144 | See also: ld/emultempl/pe.em and ld/emultempl/pep.em. */ |
b044cda1 | 145 | |
1579bae1 | 146 | static void add_bfd_to_link (bfd *, const char *, struct bfd_link_info *); |
b044cda1 | 147 | |
775cabad | 148 | /* For emultempl/pe.em. */ |
252b5132 | 149 | |
775cabad | 150 | def_file * pe_def_file = 0; |
252b5132 RH |
151 | int pe_dll_export_everything = 0; |
152 | int pe_dll_do_default_excludes = 1; | |
153 | int pe_dll_kill_ats = 0; | |
154 | int pe_dll_stdcall_aliases = 0; | |
870df5dc NC |
155 | int pe_dll_warn_dup_exports = 0; |
156 | int pe_dll_compat_implib = 0; | |
b044cda1 | 157 | int pe_dll_extra_pe_debug = 0; |
252b5132 | 158 | |
775cabad | 159 | /* Static variables and types. */ |
252b5132 RH |
160 | |
161 | static bfd_vma image_base; | |
252b5132 | 162 | static bfd *filler_bfd; |
198beae2 | 163 | static struct bfd_section *edata_s, *reloc_s; |
252b5132 | 164 | static unsigned char *edata_d, *reloc_d; |
1069dd8d | 165 | static size_t edata_sz, reloc_sz; |
2fa9fc65 | 166 | static int runtime_pseudo_relocs_created = 0; |
252b5132 | 167 | |
775cabad | 168 | typedef struct |
5b8273bf NC |
169 | { |
170 | char *name; | |
171 | int len; | |
172 | } | |
173 | autofilter_entry_type; | |
775cabad NC |
174 | |
175 | typedef struct | |
5b8273bf NC |
176 | { |
177 | char *target_name; | |
178 | char *object_target; | |
179 | unsigned int imagebase_reloc; | |
180 | int pe_arch; | |
181 | int bfd_arch; | |
182 | bfd_boolean underscored; | |
183 | autofilter_entry_type* autofilter_symbollist; | |
184 | } | |
185 | pe_details_type; | |
186 | ||
187 | static autofilter_entry_type autofilter_symbollist_generic[] = | |
188 | { | |
0112cd26 | 189 | { STRING_COMMA_LEN (".text") }, |
5b8273bf | 190 | /* Entry point symbols. */ |
0112cd26 NC |
191 | { STRING_COMMA_LEN ("DllMain") }, |
192 | { STRING_COMMA_LEN ("DllMainCRTStartup") }, | |
193 | { STRING_COMMA_LEN ("_DllMainCRTStartup") }, | |
5b8273bf | 194 | /* Runtime pseudo-reloc. */ |
0112cd26 NC |
195 | { STRING_COMMA_LEN ("_pei386_runtime_relocator") }, |
196 | { STRING_COMMA_LEN ("do_pseudo_reloc") }, | |
197 | { STRING_COMMA_LEN (NULL) } | |
5b8273bf NC |
198 | }; |
199 | ||
200 | static autofilter_entry_type autofilter_symbollist_i386[] = | |
201 | { | |
0112cd26 | 202 | { STRING_COMMA_LEN (".text") }, |
5b8273bf | 203 | /* Entry point symbols, and entry hooks. */ |
0112cd26 NC |
204 | { STRING_COMMA_LEN ("cygwin_crt0") }, |
205 | { STRING_COMMA_LEN ("DllMain@12") }, | |
206 | { STRING_COMMA_LEN ("DllEntryPoint@0") }, | |
207 | { STRING_COMMA_LEN ("DllMainCRTStartup@12") }, | |
208 | { STRING_COMMA_LEN ("_cygwin_dll_entry@12") }, | |
209 | { STRING_COMMA_LEN ("_cygwin_crt0_common@8") }, | |
210 | { STRING_COMMA_LEN ("_cygwin_noncygwin_dll_entry@12") }, | |
211 | { STRING_COMMA_LEN ("cygwin_attach_dll") }, | |
212 | { STRING_COMMA_LEN ("cygwin_premain0") }, | |
213 | { STRING_COMMA_LEN ("cygwin_premain1") }, | |
214 | { STRING_COMMA_LEN ("cygwin_premain2") }, | |
215 | { STRING_COMMA_LEN ("cygwin_premain3") }, | |
5b8273bf | 216 | /* Runtime pseudo-reloc. */ |
0112cd26 NC |
217 | { STRING_COMMA_LEN ("_pei386_runtime_relocator") }, |
218 | { STRING_COMMA_LEN ("do_pseudo_reloc") }, | |
5b8273bf | 219 | /* Global vars that should not be exported. */ |
0112cd26 NC |
220 | { STRING_COMMA_LEN ("impure_ptr") }, |
221 | { STRING_COMMA_LEN ("_impure_ptr") }, | |
222 | { STRING_COMMA_LEN ("_fmode") }, | |
223 | { STRING_COMMA_LEN ("environ") }, | |
224 | { STRING_COMMA_LEN (NULL) } | |
5b8273bf | 225 | }; |
b044cda1 | 226 | |
5b8273bf NC |
227 | #define PE_ARCH_i386 1 |
228 | #define PE_ARCH_sh 2 | |
229 | #define PE_ARCH_mips 3 | |
230 | #define PE_ARCH_arm 4 | |
775cabad | 231 | #define PE_ARCH_arm_epoc 5 |
7148cc28 | 232 | #define PE_ARCH_arm_wince 6 |
c6c37250 | 233 | |
775cabad NC |
234 | static pe_details_type pe_detail_list[] = |
235 | { | |
c6c37250 | 236 | { |
99ad8390 NC |
237 | #ifdef pe_use_x86_64 |
238 | "pei-x86-64", | |
239 | "pe-x86-64", | |
240 | 3 /* R_IMAGEBASE */, | |
241 | #else | |
c6c37250 DD |
242 | "pei-i386", |
243 | "pe-i386", | |
244 | 7 /* R_IMAGEBASE */, | |
99ad8390 | 245 | #endif |
c6c37250 DD |
246 | PE_ARCH_i386, |
247 | bfd_arch_i386, | |
5b8273bf NC |
248 | TRUE, |
249 | autofilter_symbollist_i386 | |
c6c37250 | 250 | }, |
344a211f NC |
251 | { |
252 | "pei-shl", | |
253 | "pe-shl", | |
254 | 16 /* R_SH_IMAGEBASE */, | |
255 | PE_ARCH_sh, | |
256 | bfd_arch_sh, | |
5b8273bf NC |
257 | TRUE, |
258 | autofilter_symbollist_generic | |
344a211f NC |
259 | }, |
260 | { | |
261 | "pei-mips", | |
262 | "pe-mips", | |
263 | 34 /* MIPS_R_RVA */, | |
264 | PE_ARCH_mips, | |
265 | bfd_arch_mips, | |
5b8273bf NC |
266 | FALSE, |
267 | autofilter_symbollist_generic | |
344a211f NC |
268 | }, |
269 | { | |
270 | "pei-arm-little", | |
271 | "pe-arm-little", | |
272 | 11 /* ARM_RVA32 */, | |
273 | PE_ARCH_arm, | |
274 | bfd_arch_arm, | |
5b8273bf NC |
275 | TRUE, |
276 | autofilter_symbollist_generic | |
344a211f | 277 | }, |
775cabad NC |
278 | { |
279 | "epoc-pei-arm-little", | |
280 | "epoc-pe-arm-little", | |
281 | 11 /* ARM_RVA32 */, | |
282 | PE_ARCH_arm_epoc, | |
283 | bfd_arch_arm, | |
5b8273bf NC |
284 | FALSE, |
285 | autofilter_symbollist_generic | |
775cabad | 286 | }, |
7148cc28 NC |
287 | { |
288 | "pei-arm-wince-little", | |
289 | "pe-arm-wince-little", | |
290 | 2, /* ARM_RVA32 on Windows CE, see bfd/coff-arm.c. */ | |
291 | PE_ARCH_arm_wince, | |
292 | bfd_arch_arm, | |
293 | FALSE, | |
294 | autofilter_symbollist_generic | |
295 | }, | |
5b8273bf | 296 | { NULL, NULL, 0, 0, 0, FALSE, NULL } |
c6c37250 DD |
297 | }; |
298 | ||
299 | static pe_details_type *pe_details; | |
300 | ||
775cabad NC |
301 | /* Do not specify library suffix explicitly, to allow for dllized versions. */ |
302 | static autofilter_entry_type autofilter_liblist[] = | |
303 | { | |
0112cd26 NC |
304 | { STRING_COMMA_LEN ("libcegcc") }, |
305 | { STRING_COMMA_LEN ("libcygwin") }, | |
306 | { STRING_COMMA_LEN ("libgcc") }, | |
307 | { STRING_COMMA_LEN ("libstdc++") }, | |
308 | { STRING_COMMA_LEN ("libmingw32") }, | |
309 | { STRING_COMMA_LEN ("libmingwex") }, | |
310 | { STRING_COMMA_LEN ("libg2c") }, | |
311 | { STRING_COMMA_LEN ("libsupc++") }, | |
312 | { STRING_COMMA_LEN ("libobjc") }, | |
313 | { STRING_COMMA_LEN ("libgcj") }, | |
314 | { STRING_COMMA_LEN (NULL) } | |
b044cda1 | 315 | }; |
775cabad NC |
316 | |
317 | static autofilter_entry_type autofilter_objlist[] = | |
318 | { | |
0112cd26 NC |
319 | { STRING_COMMA_LEN ("crt0.o") }, |
320 | { STRING_COMMA_LEN ("crt1.o") }, | |
321 | { STRING_COMMA_LEN ("crt2.o") }, | |
322 | { STRING_COMMA_LEN ("dllcrt1.o") }, | |
323 | { STRING_COMMA_LEN ("dllcrt2.o") }, | |
324 | { STRING_COMMA_LEN ("gcrt0.o") }, | |
325 | { STRING_COMMA_LEN ("gcrt1.o") }, | |
326 | { STRING_COMMA_LEN ("gcrt2.o") }, | |
327 | { STRING_COMMA_LEN ("crtbegin.o") }, | |
328 | { STRING_COMMA_LEN ("crtend.o") }, | |
329 | { STRING_COMMA_LEN (NULL) } | |
b044cda1 | 330 | }; |
775cabad NC |
331 | |
332 | static autofilter_entry_type autofilter_symbolprefixlist[] = | |
333 | { | |
00479ba8 NC |
334 | /* _imp_ is treated specially, as it is always underscored. */ |
335 | /* { STRING_COMMA_LEN ("_imp_") }, */ | |
336 | /* Don't export some c++ symbols. */ | |
0112cd26 | 337 | { STRING_COMMA_LEN ("__rtti_") }, |
00479ba8 | 338 | { STRING_COMMA_LEN ("__builtin_") }, |
39cebe23 | 339 | /* Don't re-export auto-imported symbols. */ |
0112cd26 | 340 | { STRING_COMMA_LEN ("_nm_") }, |
775cabad | 341 | /* Don't export symbols specifying internal DLL layout. */ |
0112cd26 NC |
342 | { STRING_COMMA_LEN ("_head_") }, |
343 | { STRING_COMMA_LEN (NULL) } | |
b044cda1 | 344 | }; |
775cabad NC |
345 | |
346 | static autofilter_entry_type autofilter_symbolsuffixlist[] = | |
347 | { | |
0112cd26 NC |
348 | { STRING_COMMA_LEN ("_iname") }, |
349 | { STRING_COMMA_LEN (NULL) } | |
b044cda1 CW |
350 | }; |
351 | ||
c6c37250 DD |
352 | #define U(str) (pe_details->underscored ? "_" str : str) |
353 | ||
354 | void | |
1579bae1 | 355 | pe_dll_id_target (const char *target) |
c6c37250 DD |
356 | { |
357 | int i; | |
775cabad | 358 | |
d643799d | 359 | for (i = 0; pe_detail_list[i].target_name; i++) |
9d68bc82 DD |
360 | if (strcmp (pe_detail_list[i].target_name, target) == 0 |
361 | || strcmp (pe_detail_list[i].object_target, target) == 0) | |
c6c37250 | 362 | { |
d643799d | 363 | pe_details = pe_detail_list + i; |
c6c37250 DD |
364 | return; |
365 | } | |
366 | einfo (_("%XUnsupported PEI architecture: %s\n"), target); | |
367 | exit (1); | |
368 | } | |
369 | ||
b7a26f91 | 370 | /* Helper functions for qsort. Relocs must be sorted so that we can write |
775cabad | 371 | them out by pages. */ |
252b5132 | 372 | |
775cabad NC |
373 | typedef struct |
374 | { | |
375 | bfd_vma vma; | |
376 | char type; | |
377 | short extra; | |
378 | } | |
379 | reloc_data_type; | |
c6c37250 | 380 | |
252b5132 | 381 | static int |
1579bae1 | 382 | reloc_sort (const void *va, const void *vb) |
252b5132 | 383 | { |
1579bae1 AM |
384 | bfd_vma a = ((const reloc_data_type *) va)->vma; |
385 | bfd_vma b = ((const reloc_data_type *) vb)->vma; | |
775cabad | 386 | |
c6c37250 | 387 | return (a > b) ? 1 : ((a < b) ? -1 : 0); |
252b5132 RH |
388 | } |
389 | ||
390 | static int | |
1579bae1 | 391 | pe_export_sort (const void *va, const void *vb) |
252b5132 | 392 | { |
1579bae1 AM |
393 | const def_file_export *a = va; |
394 | const def_file_export *b = vb; | |
775cabad | 395 | |
252b5132 RH |
396 | return strcmp (a->name, b->name); |
397 | } | |
398 | ||
775cabad | 399 | /* Read and process the .DEF file. */ |
252b5132 RH |
400 | |
401 | /* These correspond to the entries in pe_def_file->exports[]. I use | |
402 | exported_symbol_sections[i] to tag whether or not the symbol was | |
5cc18311 | 403 | defined, since we can't export symbols we don't have. */ |
252b5132 RH |
404 | |
405 | static bfd_vma *exported_symbol_offsets; | |
198beae2 | 406 | static struct bfd_section **exported_symbol_sections; |
252b5132 RH |
407 | static int export_table_size; |
408 | static int count_exported; | |
409 | static int count_exported_byname; | |
410 | static int count_with_ordinals; | |
411 | static const char *dll_name; | |
412 | static int min_ordinal, max_ordinal; | |
413 | static int *exported_symbols; | |
414 | ||
775cabad NC |
415 | typedef struct exclude_list_struct |
416 | { | |
417 | char *string; | |
418 | struct exclude_list_struct *next; | |
658957db | 419 | int type; |
775cabad NC |
420 | } |
421 | exclude_list_struct; | |
86b1cc60 | 422 | |
252b5132 RH |
423 | static struct exclude_list_struct *excludes = 0; |
424 | ||
425 | void | |
1579bae1 | 426 | pe_dll_add_excludes (const char *new_excludes, const int type) |
252b5132 RH |
427 | { |
428 | char *local_copy; | |
429 | char *exclude_string; | |
430 | ||
431 | local_copy = xstrdup (new_excludes); | |
432 | ||
433 | exclude_string = strtok (local_copy, ",:"); | |
434 | for (; exclude_string; exclude_string = strtok (NULL, ",:")) | |
435 | { | |
436 | struct exclude_list_struct *new_exclude; | |
437 | ||
1579bae1 AM |
438 | new_exclude = xmalloc (sizeof (struct exclude_list_struct)); |
439 | new_exclude->string = xmalloc (strlen (exclude_string) + 1); | |
252b5132 | 440 | strcpy (new_exclude->string, exclude_string); |
70b0be79 | 441 | new_exclude->type = type; |
252b5132 RH |
442 | new_exclude->next = excludes; |
443 | excludes = new_exclude; | |
444 | } | |
445 | ||
446 | free (local_copy); | |
447 | } | |
448 | ||
00479ba8 NC |
449 | static bfd_boolean |
450 | is_import (const char* n) | |
451 | { | |
452 | return (CONST_STRNEQ (n, "__imp_")); | |
453 | } | |
70b0be79 | 454 | |
775cabad NC |
455 | /* abfd is a bfd containing n (or NULL) |
456 | It can be used for contextual checks. */ | |
457 | ||
252b5132 | 458 | static int |
1579bae1 | 459 | auto_export (bfd *abfd, def_file *d, const char *n) |
252b5132 RH |
460 | { |
461 | int i; | |
462 | struct exclude_list_struct *ex; | |
b044cda1 | 463 | autofilter_entry_type *afptr; |
70b0be79 CF |
464 | const char * libname = 0; |
465 | if (abfd && abfd->my_archive) | |
466 | libname = lbasename (abfd->my_archive->filename); | |
b044cda1 | 467 | |
252b5132 RH |
468 | for (i = 0; i < d->num_exports; i++) |
469 | if (strcmp (d->exports[i].name, n) == 0) | |
470 | return 0; | |
775cabad | 471 | |
252b5132 RH |
472 | if (pe_dll_do_default_excludes) |
473 | { | |
663dd378 | 474 | const char * p; |
775cabad NC |
475 | int len; |
476 | ||
b044cda1 | 477 | if (pe_dll_extra_pe_debug) |
775cabad NC |
478 | printf ("considering exporting: %s, abfd=%p, abfd->my_arc=%p\n", |
479 | n, abfd, abfd->my_archive); | |
b044cda1 CW |
480 | |
481 | /* First of all, make context checks: | |
1579bae1 | 482 | Don't export anything from standard libs. */ |
658957db | 483 | if (libname) |
b044cda1 CW |
484 | { |
485 | afptr = autofilter_liblist; | |
775cabad | 486 | |
b044cda1 CW |
487 | while (afptr->name) |
488 | { | |
70b0be79 | 489 | if (strncmp (libname, afptr->name, afptr->len) == 0 ) |
b044cda1 CW |
490 | return 0; |
491 | afptr++; | |
492 | } | |
493 | } | |
494 | ||
775cabad | 495 | /* Next, exclude symbols from certain startup objects. */ |
775cabad | 496 | |
59d28a94 | 497 | if (abfd && (p = lbasename (abfd->filename))) |
663dd378 | 498 | { |
b7a26f91 KH |
499 | afptr = autofilter_objlist; |
500 | while (afptr->name) | |
59d28a94 | 501 | { |
b7a26f91 KH |
502 | if (strcmp (p, afptr->name) == 0) |
503 | return 0; | |
59d28a94 | 504 | afptr++; |
663dd378 | 505 | } |
775cabad | 506 | } |
b044cda1 CW |
507 | |
508 | /* Don't try to blindly exclude all symbols | |
509 | that begin with '__'; this was tried and | |
5b8273bf NC |
510 | it is too restrictive. Instead we have |
511 | a target specific list to use: */ | |
512 | afptr = pe_details->autofilter_symbollist; | |
99ad8390 | 513 | |
b044cda1 CW |
514 | while (afptr->name) |
515 | { | |
516 | if (strcmp (n, afptr->name) == 0) | |
517 | return 0; | |
775cabad | 518 | |
b7a26f91 | 519 | afptr++; |
b044cda1 CW |
520 | } |
521 | ||
775cabad | 522 | /* Next, exclude symbols starting with ... */ |
b044cda1 CW |
523 | afptr = autofilter_symbolprefixlist; |
524 | while (afptr->name) | |
525 | { | |
526 | if (strncmp (n, afptr->name, afptr->len) == 0) | |
527 | return 0; | |
775cabad | 528 | |
b7a26f91 | 529 | afptr++; |
b044cda1 CW |
530 | } |
531 | ||
775cabad NC |
532 | /* Finally, exclude symbols ending with ... */ |
533 | len = strlen (n); | |
534 | afptr = autofilter_symbolsuffixlist; | |
535 | while (afptr->name) | |
536 | { | |
b7a26f91 | 537 | if ((len >= afptr->len) |
775cabad | 538 | /* Add 1 to insure match with trailing '\0'. */ |
b7a26f91 KH |
539 | && strncmp (n + len - afptr->len, afptr->name, |
540 | afptr->len + 1) == 0) | |
775cabad NC |
541 | return 0; |
542 | ||
b7a26f91 | 543 | afptr++; |
775cabad | 544 | } |
252b5132 | 545 | } |
775cabad | 546 | |
252b5132 | 547 | for (ex = excludes; ex; ex = ex->next) |
70b0be79 CF |
548 | { |
549 | if (ex->type == 1) /* exclude-libs */ | |
550 | { | |
551 | if (libname | |
552 | && ((strcmp (libname, ex->string) == 0) | |
553 | || (strcasecmp ("ALL", ex->string) == 0))) | |
554 | return 0; | |
555 | } | |
556 | else if (strcmp (n, ex->string) == 0) | |
658957db | 557 | return 0; |
70b0be79 | 558 | } |
775cabad | 559 | |
252b5132 RH |
560 | return 1; |
561 | } | |
562 | ||
563 | static void | |
1579bae1 | 564 | process_def_file (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info) |
252b5132 RH |
565 | { |
566 | int i, j; | |
567 | struct bfd_link_hash_entry *blhe; | |
568 | bfd *b; | |
198beae2 | 569 | struct bfd_section *s; |
d643799d | 570 | def_file_export *e = 0; |
252b5132 RH |
571 | |
572 | if (!pe_def_file) | |
573 | pe_def_file = def_file_empty (); | |
574 | ||
575 | /* First, run around to all the objects looking for the .drectve | |
86b1cc60 | 576 | sections, and push those into the def file too. */ |
252b5132 RH |
577 | for (b = info->input_bfds; b; b = b->link_next) |
578 | { | |
579 | s = bfd_get_section_by_name (b, ".drectve"); | |
580 | if (s) | |
581 | { | |
eea6121a | 582 | long size = s->size; |
252b5132 | 583 | char *buf = xmalloc (size); |
775cabad | 584 | |
252b5132 RH |
585 | bfd_get_section_contents (b, s, buf, 0, size); |
586 | def_file_add_directive (pe_def_file, buf, size); | |
587 | free (buf); | |
588 | } | |
589 | } | |
590 | ||
2b817be1 NC |
591 | /* If we are not building a DLL, when there are no exports |
592 | we do not build an export table at all. */ | |
593 | if (!pe_dll_export_everything && pe_def_file->num_exports == 0 | |
7b0eaa22 | 594 | && info->executable) |
2b817be1 NC |
595 | return; |
596 | ||
86b1cc60 | 597 | /* Now, maybe export everything else the default way. */ |
252b5132 RH |
598 | if (pe_dll_export_everything || pe_def_file->num_exports == 0) |
599 | { | |
600 | for (b = info->input_bfds; b; b = b->link_next) | |
601 | { | |
602 | asymbol **symbols; | |
603 | int nsyms, symsize; | |
604 | ||
605 | symsize = bfd_get_symtab_upper_bound (b); | |
1579bae1 | 606 | symbols = xmalloc (symsize); |
252b5132 RH |
607 | nsyms = bfd_canonicalize_symtab (b, symbols); |
608 | ||
609 | for (j = 0; j < nsyms; j++) | |
610 | { | |
d643799d | 611 | /* We should export symbols which are either global or not |
1579bae1 AM |
612 | anything at all. (.bss data is the latter) |
613 | We should not export undefined symbols. */ | |
b044cda1 CW |
614 | if (symbols[j]->section != &bfd_und_section |
615 | && ((symbols[j]->flags & BSF_GLOBAL) | |
616 | || (symbols[j]->flags == BFD_FORT_COMM_DEFAULT_VALUE))) | |
252b5132 RH |
617 | { |
618 | const char *sn = symbols[j]->name; | |
b044cda1 | 619 | |
775cabad | 620 | /* We should not re-export imported stuff. */ |
b044cda1 | 621 | { |
00479ba8 NC |
622 | if (is_import (sn)) |
623 | continue; | |
624 | ||
625 | char *name = xmalloc (strlen ("__imp_") + strlen (sn) + 1); | |
626 | sprintf (name, "%s%s", "__imp_", sn); | |
775cabad | 627 | |
b044cda1 | 628 | blhe = bfd_link_hash_lookup (info->hash, name, |
b34976b6 | 629 | FALSE, FALSE, FALSE); |
b044cda1 CW |
630 | free (name); |
631 | ||
b7a26f91 | 632 | if (blhe && blhe->type == bfd_link_hash_defined) |
b044cda1 CW |
633 | continue; |
634 | } | |
635 | ||
00479ba8 | 636 | if (pe_details->underscored && *sn == '_') |
252b5132 | 637 | sn++; |
775cabad | 638 | |
b044cda1 CW |
639 | if (auto_export (b, pe_def_file, sn)) |
640 | { | |
641 | def_file_export *p; | |
642 | p=def_file_add_export (pe_def_file, sn, 0, -1); | |
775cabad | 643 | /* Fill data flag properly, from dlltool.c. */ |
b044cda1 CW |
644 | p->flag_data = !(symbols[j]->flags & BSF_FUNCTION); |
645 | } | |
252b5132 RH |
646 | } |
647 | } | |
648 | } | |
649 | } | |
650 | ||
651 | #undef NE | |
652 | #define NE pe_def_file->num_exports | |
653 | ||
86b1cc60 | 654 | /* Canonicalize the export list. */ |
252b5132 RH |
655 | if (pe_dll_kill_ats) |
656 | { | |
657 | for (i = 0; i < NE; i++) | |
658 | { | |
659 | if (strchr (pe_def_file->exports[i].name, '@')) | |
660 | { | |
86b1cc60 | 661 | /* This will preserve internal_name, which may have been |
1579bae1 AM |
662 | pointing to the same memory as name, or might not |
663 | have. */ | |
664 | int lead_at = (*pe_def_file->exports[i].name == '@'); | |
c9e38879 | 665 | char *tmp = xstrdup (pe_def_file->exports[i].name + lead_at); |
a8d701fd | 666 | char *tmp_at = strchr (tmp, '@'); |
775cabad | 667 | |
a8d701fd DS |
668 | if (tmp_at) |
669 | *tmp_at = 0; | |
670 | else | |
671 | einfo (_("%XCannot export %s: invalid export name\n"), | |
672 | pe_def_file->exports[i].name); | |
252b5132 RH |
673 | pe_def_file->exports[i].name = tmp; |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 | if (pe_dll_stdcall_aliases) | |
679 | { | |
680 | for (i = 0; i < NE; i++) | |
681 | { | |
00479ba8 NC |
682 | if (is_import (pe_def_file->exports[i].name)) |
683 | continue; | |
684 | ||
252b5132 RH |
685 | if (strchr (pe_def_file->exports[i].name, '@')) |
686 | { | |
1579bae1 | 687 | int lead_at = (*pe_def_file->exports[i].name == '@'); |
c9e38879 | 688 | char *tmp = xstrdup (pe_def_file->exports[i].name + lead_at); |
775cabad | 689 | |
252b5132 | 690 | *(strchr (tmp, '@')) = 0; |
b044cda1 | 691 | if (auto_export (NULL, pe_def_file, tmp)) |
252b5132 | 692 | def_file_add_export (pe_def_file, tmp, |
b044cda1 CW |
693 | pe_def_file->exports[i].internal_name, |
694 | -1); | |
252b5132 RH |
695 | else |
696 | free (tmp); | |
697 | } | |
698 | } | |
699 | } | |
700 | ||
86b1cc60 KH |
701 | /* Convenience, but watch out for it changing. */ |
702 | e = pe_def_file->exports; | |
252b5132 | 703 | |
1579bae1 | 704 | exported_symbol_offsets = xmalloc (NE * sizeof (bfd_vma)); |
198beae2 | 705 | exported_symbol_sections = xmalloc (NE * sizeof (struct bfd_section *)); |
252b5132 | 706 | |
198beae2 | 707 | memset (exported_symbol_sections, 0, NE * sizeof (struct bfd_section *)); |
252b5132 RH |
708 | max_ordinal = 0; |
709 | min_ordinal = 65536; | |
710 | count_exported = 0; | |
711 | count_exported_byname = 0; | |
712 | count_with_ordinals = 0; | |
713 | ||
1579bae1 AM |
714 | qsort (pe_def_file->exports, NE, sizeof (pe_def_file->exports[0]), |
715 | pe_export_sort); | |
252b5132 RH |
716 | for (i = 0, j = 0; i < NE; i++) |
717 | { | |
718 | if (i > 0 && strcmp (e[i].name, e[i - 1].name) == 0) | |
719 | { | |
870df5dc | 720 | /* This is a duplicate. */ |
252b5132 RH |
721 | if (e[j - 1].ordinal != -1 |
722 | && e[i].ordinal != -1 | |
723 | && e[j - 1].ordinal != e[i].ordinal) | |
724 | { | |
870df5dc NC |
725 | if (pe_dll_warn_dup_exports) |
726 | /* xgettext:c-format */ | |
486e80e2 | 727 | einfo (_("%XError, duplicate EXPORT with ordinals: %s (%d vs %d)\n"), |
870df5dc | 728 | e[j - 1].name, e[j - 1].ordinal, e[i].ordinal); |
252b5132 RH |
729 | } |
730 | else | |
731 | { | |
870df5dc NC |
732 | if (pe_dll_warn_dup_exports) |
733 | /* xgettext:c-format */ | |
734 | einfo (_("Warning, duplicate EXPORT: %s\n"), | |
735 | e[j - 1].name); | |
252b5132 | 736 | } |
775cabad | 737 | |
486e80e2 | 738 | if (e[i].ordinal != -1) |
252b5132 RH |
739 | e[j - 1].ordinal = e[i].ordinal; |
740 | e[j - 1].flag_private |= e[i].flag_private; | |
741 | e[j - 1].flag_constant |= e[i].flag_constant; | |
742 | e[j - 1].flag_noname |= e[i].flag_noname; | |
743 | e[j - 1].flag_data |= e[i].flag_data; | |
744 | } | |
745 | else | |
746 | { | |
747 | if (i != j) | |
748 | e[j] = e[i]; | |
749 | j++; | |
750 | } | |
751 | } | |
752 | pe_def_file->num_exports = j; /* == NE */ | |
753 | ||
754 | for (i = 0; i < NE; i++) | |
755 | { | |
1579bae1 | 756 | char *name; |
775cabad | 757 | |
a8d701fd DS |
758 | /* Check for forward exports */ |
759 | if (strchr (pe_def_file->exports[i].internal_name, '.')) | |
760 | { | |
761 | count_exported++; | |
762 | if (!pe_def_file->exports[i].flag_noname) | |
763 | count_exported_byname++; | |
764 | ||
765 | pe_def_file->exports[i].flag_forward = 1; | |
766 | ||
767 | if (pe_def_file->exports[i].ordinal != -1) | |
768 | { | |
769 | if (max_ordinal < pe_def_file->exports[i].ordinal) | |
770 | max_ordinal = pe_def_file->exports[i].ordinal; | |
771 | if (min_ordinal > pe_def_file->exports[i].ordinal) | |
772 | min_ordinal = pe_def_file->exports[i].ordinal; | |
773 | count_with_ordinals++; | |
774 | } | |
775 | ||
776 | continue; | |
777 | } | |
778 | ||
1579bae1 | 779 | name = xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2); |
c9e38879 NC |
780 | if (pe_details->underscored |
781 | && (*pe_def_file->exports[i].internal_name != '@')) | |
c6c37250 DD |
782 | { |
783 | *name = '_'; | |
784 | strcpy (name + 1, pe_def_file->exports[i].internal_name); | |
785 | } | |
786 | else | |
787 | strcpy (name, pe_def_file->exports[i].internal_name); | |
252b5132 RH |
788 | |
789 | blhe = bfd_link_hash_lookup (info->hash, | |
790 | name, | |
b34976b6 | 791 | FALSE, FALSE, TRUE); |
252b5132 | 792 | |
8a5b676c | 793 | if (blhe |
d643799d | 794 | && (blhe->type == bfd_link_hash_defined |
8a5b676c | 795 | || (blhe->type == bfd_link_hash_common))) |
252b5132 RH |
796 | { |
797 | count_exported++; | |
798 | if (!pe_def_file->exports[i].flag_noname) | |
799 | count_exported_byname++; | |
8a5b676c DD |
800 | |
801 | /* Only fill in the sections. The actual offsets are computed | |
802 | in fill_exported_offsets() after common symbols are laid | |
803 | out. */ | |
d643799d | 804 | if (blhe->type == bfd_link_hash_defined) |
8a5b676c DD |
805 | exported_symbol_sections[i] = blhe->u.def.section; |
806 | else | |
807 | exported_symbol_sections[i] = blhe->u.c.p->section; | |
5cc18311 | 808 | |
252b5132 RH |
809 | if (pe_def_file->exports[i].ordinal != -1) |
810 | { | |
811 | if (max_ordinal < pe_def_file->exports[i].ordinal) | |
812 | max_ordinal = pe_def_file->exports[i].ordinal; | |
813 | if (min_ordinal > pe_def_file->exports[i].ordinal) | |
814 | min_ordinal = pe_def_file->exports[i].ordinal; | |
815 | count_with_ordinals++; | |
816 | } | |
817 | } | |
818 | else if (blhe && blhe->type == bfd_link_hash_undefined) | |
819 | { | |
820 | /* xgettext:c-format */ | |
821 | einfo (_("%XCannot export %s: symbol not defined\n"), | |
822 | pe_def_file->exports[i].internal_name); | |
823 | } | |
824 | else if (blhe) | |
825 | { | |
826 | /* xgettext:c-format */ | |
827 | einfo (_("%XCannot export %s: symbol wrong type (%d vs %d)\n"), | |
828 | pe_def_file->exports[i].internal_name, | |
829 | blhe->type, bfd_link_hash_defined); | |
830 | } | |
831 | else | |
832 | { | |
833 | /* xgettext:c-format */ | |
834 | einfo (_("%XCannot export %s: symbol not found\n"), | |
835 | pe_def_file->exports[i].internal_name); | |
836 | } | |
837 | free (name); | |
838 | } | |
839 | } | |
840 | ||
775cabad | 841 | /* Build the bfd that will contain .edata and .reloc sections. */ |
252b5132 RH |
842 | |
843 | static void | |
1579bae1 | 844 | build_filler_bfd (int include_edata) |
252b5132 RH |
845 | { |
846 | lang_input_statement_type *filler_file; | |
847 | filler_file = lang_add_input_file ("dll stuff", | |
848 | lang_input_file_is_fake_enum, | |
849 | NULL); | |
850 | filler_file->the_bfd = filler_bfd = bfd_create ("dll stuff", output_bfd); | |
851 | if (filler_bfd == NULL | |
852 | || !bfd_set_arch_mach (filler_bfd, | |
853 | bfd_get_arch (output_bfd), | |
854 | bfd_get_mach (output_bfd))) | |
855 | { | |
36230712 | 856 | einfo ("%X%P: can not create BFD: %E\n"); |
252b5132 RH |
857 | return; |
858 | } | |
859 | ||
c6c37250 | 860 | if (include_edata) |
252b5132 | 861 | { |
c6c37250 DD |
862 | edata_s = bfd_make_section_old_way (filler_bfd, ".edata"); |
863 | if (edata_s == NULL | |
864 | || !bfd_set_section_flags (filler_bfd, edata_s, | |
865 | (SEC_HAS_CONTENTS | |
866 | | SEC_ALLOC | |
867 | | SEC_LOAD | |
868 | | SEC_KEEP | |
869 | | SEC_IN_MEMORY))) | |
870 | { | |
871 | einfo ("%X%P: can not create .edata section: %E\n"); | |
872 | return; | |
873 | } | |
874 | bfd_set_section_size (filler_bfd, edata_s, edata_sz); | |
252b5132 | 875 | } |
252b5132 RH |
876 | |
877 | reloc_s = bfd_make_section_old_way (filler_bfd, ".reloc"); | |
878 | if (reloc_s == NULL | |
879 | || !bfd_set_section_flags (filler_bfd, reloc_s, | |
880 | (SEC_HAS_CONTENTS | |
881 | | SEC_ALLOC | |
882 | | SEC_LOAD | |
883 | | SEC_KEEP | |
884 | | SEC_IN_MEMORY))) | |
885 | { | |
886 | einfo ("%X%P: can not create .reloc section: %E\n"); | |
887 | return; | |
888 | } | |
775cabad | 889 | |
252b5132 RH |
890 | bfd_set_section_size (filler_bfd, reloc_s, 0); |
891 | ||
892 | ldlang_add_file (filler_file); | |
893 | } | |
894 | ||
775cabad | 895 | /* Gather all the exported symbols and build the .edata section. */ |
252b5132 RH |
896 | |
897 | static void | |
1579bae1 | 898 | generate_edata (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 RH |
899 | { |
900 | int i, next_ordinal; | |
901 | int name_table_size = 0; | |
902 | const char *dlnp; | |
903 | ||
904 | /* First, we need to know how many exported symbols there are, | |
5cc18311 | 905 | and what the range of ordinals is. */ |
252b5132 | 906 | if (pe_def_file->name) |
775cabad | 907 | dll_name = pe_def_file->name; |
252b5132 RH |
908 | else |
909 | { | |
910 | dll_name = abfd->filename; | |
775cabad | 911 | |
252b5132 | 912 | for (dlnp = dll_name; *dlnp; dlnp++) |
775cabad NC |
913 | if (*dlnp == '\\' || *dlnp == '/' || *dlnp == ':') |
914 | dll_name = dlnp + 1; | |
252b5132 RH |
915 | } |
916 | ||
917 | if (count_with_ordinals && max_ordinal > count_exported) | |
918 | { | |
919 | if (min_ordinal > max_ordinal - count_exported + 1) | |
920 | min_ordinal = max_ordinal - count_exported + 1; | |
921 | } | |
922 | else | |
923 | { | |
924 | min_ordinal = 1; | |
925 | max_ordinal = count_exported; | |
926 | } | |
252b5132 | 927 | |
775cabad | 928 | export_table_size = max_ordinal - min_ordinal + 1; |
1579bae1 | 929 | exported_symbols = xmalloc (export_table_size * sizeof (int)); |
252b5132 RH |
930 | for (i = 0; i < export_table_size; i++) |
931 | exported_symbols[i] = -1; | |
932 | ||
86b1cc60 | 933 | /* Now we need to assign ordinals to those that don't have them. */ |
252b5132 RH |
934 | for (i = 0; i < NE; i++) |
935 | { | |
a8d701fd DS |
936 | if (exported_symbol_sections[i] || |
937 | pe_def_file->exports[i].flag_forward) | |
252b5132 RH |
938 | { |
939 | if (pe_def_file->exports[i].ordinal != -1) | |
940 | { | |
941 | int ei = pe_def_file->exports[i].ordinal - min_ordinal; | |
942 | int pi = exported_symbols[ei]; | |
775cabad | 943 | |
252b5132 RH |
944 | if (pi != -1) |
945 | { | |
946 | /* xgettext:c-format */ | |
486e80e2 | 947 | einfo (_("%XError, ordinal used twice: %d (%s vs %s)\n"), |
252b5132 RH |
948 | pe_def_file->exports[i].ordinal, |
949 | pe_def_file->exports[i].name, | |
950 | pe_def_file->exports[pi].name); | |
951 | } | |
952 | exported_symbols[ei] = i; | |
953 | } | |
954 | name_table_size += strlen (pe_def_file->exports[i].name) + 1; | |
955 | } | |
a8d701fd DS |
956 | |
957 | /* Reserve space for the forward name. */ | |
958 | if (pe_def_file->exports[i].flag_forward) | |
959 | { | |
960 | name_table_size += strlen (pe_def_file->exports[i].internal_name) + 1; | |
961 | } | |
252b5132 RH |
962 | } |
963 | ||
964 | next_ordinal = min_ordinal; | |
965 | for (i = 0; i < NE; i++) | |
a8d701fd DS |
966 | if ((exported_symbol_sections[i] || |
967 | pe_def_file->exports[i].flag_forward) && | |
968 | pe_def_file->exports[i].ordinal == -1) | |
969 | { | |
970 | while (exported_symbols[next_ordinal - min_ordinal] != -1) | |
971 | next_ordinal++; | |
775cabad | 972 | |
a8d701fd DS |
973 | exported_symbols[next_ordinal - min_ordinal] = i; |
974 | pe_def_file->exports[i].ordinal = next_ordinal; | |
975 | } | |
252b5132 | 976 | |
86b1cc60 | 977 | /* OK, now we can allocate some memory. */ |
775cabad NC |
978 | edata_sz = (40 /* directory */ |
979 | + 4 * export_table_size /* addresses */ | |
252b5132 RH |
980 | + 4 * count_exported_byname /* name ptrs */ |
981 | + 2 * count_exported_byname /* ordinals */ | |
982 | + name_table_size + strlen (dll_name) + 1); | |
983 | } | |
984 | ||
8a5b676c DD |
985 | /* Fill the exported symbol offsets. The preliminary work has already |
986 | been done in process_def_file(). */ | |
987 | ||
988 | static void | |
1579bae1 | 989 | fill_exported_offsets (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info) |
8a5b676c | 990 | { |
f0c87f88 | 991 | int i; |
8a5b676c | 992 | struct bfd_link_hash_entry *blhe; |
5cc18311 | 993 | |
8a5b676c DD |
994 | for (i = 0; i < pe_def_file->num_exports; i++) |
995 | { | |
1579bae1 | 996 | char *name; |
775cabad | 997 | |
1579bae1 | 998 | name = xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2); |
c9e38879 | 999 | if (pe_details->underscored |
1579bae1 | 1000 | && *pe_def_file->exports[i].internal_name != '@') |
8a5b676c DD |
1001 | { |
1002 | *name = '_'; | |
1003 | strcpy (name + 1, pe_def_file->exports[i].internal_name); | |
1004 | } | |
1005 | else | |
1006 | strcpy (name, pe_def_file->exports[i].internal_name); | |
1007 | ||
1008 | blhe = bfd_link_hash_lookup (info->hash, | |
1009 | name, | |
b34976b6 | 1010 | FALSE, FALSE, TRUE); |
8a5b676c | 1011 | |
1579bae1 | 1012 | if (blhe && blhe->type == bfd_link_hash_defined) |
775cabad NC |
1013 | exported_symbol_offsets[i] = blhe->u.def.value; |
1014 | ||
8a5b676c DD |
1015 | free (name); |
1016 | } | |
1017 | } | |
1018 | ||
252b5132 | 1019 | static void |
1579bae1 | 1020 | fill_edata (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 | 1021 | { |
03a1c9a7 | 1022 | int s, hint; |
252b5132 | 1023 | unsigned char *edirectory; |
2f9636ba AM |
1024 | unsigned char *eaddresses; |
1025 | unsigned char *enameptrs; | |
1026 | unsigned char *eordinals; | |
47639182 | 1027 | char *enamestr; |
252b5132 RH |
1028 | time_t now; |
1029 | ||
1030 | time (&now); | |
1031 | ||
1579bae1 | 1032 | edata_d = xmalloc (edata_sz); |
252b5132 | 1033 | |
86b1cc60 | 1034 | /* Note use of array pointer math here. */ |
252b5132 | 1035 | edirectory = edata_d; |
2f9636ba AM |
1036 | eaddresses = edata_d + 40; |
1037 | enameptrs = eaddresses + 4 * export_table_size; | |
1038 | eordinals = enameptrs + 4 * count_exported_byname; | |
47639182 | 1039 | enamestr = (char *) eordinals + 2 * count_exported_byname; |
252b5132 | 1040 | |
1579bae1 AM |
1041 | #define ERVA(ptr) (((unsigned char *)(ptr) - edata_d) \ |
1042 | + edata_s->output_section->vma - image_base) | |
252b5132 | 1043 | |
c2a94a7a | 1044 | memset (edata_d, 0, edata_sz); |
252b5132 RH |
1045 | bfd_put_32 (abfd, now, edata_d + 4); |
1046 | if (pe_def_file->version_major != -1) | |
1047 | { | |
1048 | bfd_put_16 (abfd, pe_def_file->version_major, edata_d + 8); | |
1049 | bfd_put_16 (abfd, pe_def_file->version_minor, edata_d + 10); | |
1050 | } | |
775cabad | 1051 | |
252b5132 RH |
1052 | bfd_put_32 (abfd, ERVA (enamestr), edata_d + 12); |
1053 | strcpy (enamestr, dll_name); | |
1054 | enamestr += strlen (enamestr) + 1; | |
1055 | bfd_put_32 (abfd, min_ordinal, edata_d + 16); | |
1056 | bfd_put_32 (abfd, export_table_size, edata_d + 20); | |
1057 | bfd_put_32 (abfd, count_exported_byname, edata_d + 24); | |
1058 | bfd_put_32 (abfd, ERVA (eaddresses), edata_d + 28); | |
1059 | bfd_put_32 (abfd, ERVA (enameptrs), edata_d + 32); | |
1060 | bfd_put_32 (abfd, ERVA (eordinals), edata_d + 36); | |
1061 | ||
8a5b676c DD |
1062 | fill_exported_offsets (abfd, info); |
1063 | ||
03a1c9a7 NC |
1064 | /* Ok, now for the filling in part. |
1065 | Scan alphabetically - ie the ordering in the exports[] table, | |
1066 | rather than by ordinal - the ordering in the exported_symbol[] | |
1067 | table. See dlltool.c and: | |
1068 | http://sources.redhat.com/ml/binutils/2003-04/msg00379.html | |
1579bae1 | 1069 | for more information. */ |
252b5132 | 1070 | hint = 0; |
03a1c9a7 | 1071 | for (s = 0; s < NE; s++) |
252b5132 | 1072 | { |
f5a95868 | 1073 | struct bfd_section *ssec = exported_symbol_sections[s]; |
a8d701fd DS |
1074 | if (pe_def_file->exports[s].ordinal != -1 && |
1075 | (pe_def_file->exports[s].flag_forward || ssec != NULL)) | |
252b5132 | 1076 | { |
45b1f63c | 1077 | int ord = pe_def_file->exports[s].ordinal; |
252b5132 | 1078 | |
a8d701fd DS |
1079 | if (pe_def_file->exports[s].flag_forward) |
1080 | { | |
1081 | bfd_put_32 (abfd, ERVA (enamestr), | |
1082 | eaddresses + 4 * (ord - min_ordinal)); | |
1083 | ||
1084 | strcpy (enamestr, pe_def_file->exports[s].internal_name); | |
1085 | enamestr += strlen (pe_def_file->exports[s].internal_name) + 1; | |
1086 | } | |
1087 | else | |
1088 | { | |
1089 | unsigned long srva = (exported_symbol_offsets[s] | |
1090 | + ssec->output_section->vma | |
1091 | + ssec->output_offset); | |
1092 | ||
1093 | bfd_put_32 (abfd, srva - image_base, | |
1094 | eaddresses + 4 * (ord - min_ordinal)); | |
1095 | } | |
775cabad | 1096 | |
252b5132 RH |
1097 | if (!pe_def_file->exports[s].flag_noname) |
1098 | { | |
1099 | char *ename = pe_def_file->exports[s].name; | |
03a1c9a7 | 1100 | |
2f9636ba AM |
1101 | bfd_put_32 (abfd, ERVA (enamestr), enameptrs); |
1102 | enameptrs += 4; | |
252b5132 RH |
1103 | strcpy (enamestr, ename); |
1104 | enamestr += strlen (enamestr) + 1; | |
2f9636ba AM |
1105 | bfd_put_16 (abfd, ord - min_ordinal, eordinals); |
1106 | eordinals += 2; | |
252b5132 RH |
1107 | pe_def_file->exports[s].hint = hint++; |
1108 | } | |
252b5132 RH |
1109 | } |
1110 | } | |
1111 | } | |
1112 | ||
b044cda1 | 1113 | |
198beae2 | 1114 | static struct bfd_section *current_sec; |
b044cda1 CW |
1115 | |
1116 | void | |
1579bae1 AM |
1117 | pe_walk_relocs_of_symbol (struct bfd_link_info *info, |
1118 | const char *name, | |
1119 | int (*cb) (arelent *, asection *)) | |
b044cda1 CW |
1120 | { |
1121 | bfd *b; | |
0d888aac | 1122 | asection *s; |
b044cda1 CW |
1123 | |
1124 | for (b = info->input_bfds; b; b = b->link_next) | |
1125 | { | |
775cabad NC |
1126 | asymbol **symbols; |
1127 | int nsyms, symsize; | |
1128 | ||
1129 | symsize = bfd_get_symtab_upper_bound (b); | |
1579bae1 | 1130 | symbols = xmalloc (symsize); |
775cabad | 1131 | nsyms = bfd_canonicalize_symtab (b, symbols); |
b044cda1 CW |
1132 | |
1133 | for (s = b->sections; s; s = s->next) | |
1134 | { | |
775cabad NC |
1135 | arelent **relocs; |
1136 | int relsize, nrelocs, i; | |
b044cda1 CW |
1137 | int flags = bfd_get_section_flags (b, s); |
1138 | ||
775cabad | 1139 | /* Skip discarded linkonce sections. */ |
b044cda1 CW |
1140 | if (flags & SEC_LINK_ONCE |
1141 | && s->output_section == bfd_abs_section_ptr) | |
1142 | continue; | |
1143 | ||
0d888aac | 1144 | current_sec = s; |
b044cda1 | 1145 | |
b044cda1 | 1146 | relsize = bfd_get_reloc_upper_bound (b, s); |
1579bae1 | 1147 | relocs = xmalloc (relsize); |
b044cda1 CW |
1148 | nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols); |
1149 | ||
1150 | for (i = 0; i < nrelocs; i++) | |
1151 | { | |
fc0a2244 | 1152 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
775cabad NC |
1153 | |
1154 | if (!strcmp (name, sym->name)) | |
1155 | cb (relocs[i], s); | |
b044cda1 | 1156 | } |
775cabad | 1157 | |
b044cda1 | 1158 | free (relocs); |
775cabad | 1159 | |
b044cda1 CW |
1160 | /* Warning: the allocated symbols are remembered in BFD and reused |
1161 | later, so don't free them! */ | |
1162 | /* free (symbols); */ | |
1163 | } | |
1164 | } | |
1165 | } | |
1166 | ||
775cabad | 1167 | /* Gather all the relocations and build the .reloc section. */ |
252b5132 RH |
1168 | |
1169 | static void | |
1579bae1 | 1170 | generate_reloc (bfd *abfd, struct bfd_link_info *info) |
252b5132 RH |
1171 | { |
1172 | ||
86b1cc60 | 1173 | /* For .reloc stuff. */ |
c6c37250 | 1174 | reloc_data_type *reloc_data; |
252b5132 RH |
1175 | int total_relocs = 0; |
1176 | int i; | |
1579bae1 | 1177 | unsigned long sec_page = (unsigned long) -1; |
252b5132 RH |
1178 | unsigned long page_ptr, page_count; |
1179 | int bi; | |
1180 | bfd *b; | |
198beae2 | 1181 | struct bfd_section *s; |
252b5132 RH |
1182 | |
1183 | total_relocs = 0; | |
1184 | for (b = info->input_bfds; b; b = b->link_next) | |
1185 | for (s = b->sections; s; s = s->next) | |
1186 | total_relocs += s->reloc_count; | |
1187 | ||
1579bae1 | 1188 | reloc_data = xmalloc (total_relocs * sizeof (reloc_data_type)); |
252b5132 RH |
1189 | |
1190 | total_relocs = 0; | |
1191 | bi = 0; | |
1192 | for (bi = 0, b = info->input_bfds; b; bi++, b = b->link_next) | |
1193 | { | |
1194 | arelent **relocs; | |
1195 | int relsize, nrelocs, i; | |
1196 | ||
1197 | for (s = b->sections; s; s = s->next) | |
1198 | { | |
1199 | unsigned long sec_vma = s->output_section->vma + s->output_offset; | |
1200 | asymbol **symbols; | |
1201 | int nsyms, symsize; | |
1202 | ||
86b1cc60 | 1203 | /* If it's not loaded, we don't need to relocate it this way. */ |
252b5132 RH |
1204 | if (!(s->output_section->flags & SEC_LOAD)) |
1205 | continue; | |
1206 | ||
1207 | /* I don't know why there would be a reloc for these, but I've | |
86b1cc60 | 1208 | seen it happen - DJ */ |
252b5132 RH |
1209 | if (s->output_section == &bfd_abs_section) |
1210 | continue; | |
1211 | ||
1212 | if (s->output_section->vma == 0) | |
1213 | { | |
86b1cc60 | 1214 | /* Huh? Shouldn't happen, but punt if it does. */ |
252b5132 RH |
1215 | einfo ("DJ: zero vma section reloc detected: `%s' #%d f=%d\n", |
1216 | s->output_section->name, s->output_section->index, | |
1217 | s->output_section->flags); | |
1218 | continue; | |
1219 | } | |
1220 | ||
1221 | symsize = bfd_get_symtab_upper_bound (b); | |
1579bae1 | 1222 | symbols = xmalloc (symsize); |
252b5132 RH |
1223 | nsyms = bfd_canonicalize_symtab (b, symbols); |
1224 | ||
1225 | relsize = bfd_get_reloc_upper_bound (b, s); | |
1579bae1 | 1226 | relocs = xmalloc (relsize); |
252b5132 RH |
1227 | nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols); |
1228 | ||
1229 | for (i = 0; i < nrelocs; i++) | |
1230 | { | |
b044cda1 | 1231 | if (pe_dll_extra_pe_debug) |
b7a26f91 | 1232 | { |
fc0a2244 | 1233 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
b7a26f91 | 1234 | printf ("rel: %s\n", sym->name); |
b044cda1 | 1235 | } |
252b5132 | 1236 | if (!relocs[i]->howto->pc_relative |
c6c37250 | 1237 | && relocs[i]->howto->type != pe_details->imagebase_reloc) |
252b5132 | 1238 | { |
c6c37250 | 1239 | bfd_vma sym_vma; |
fc0a2244 | 1240 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
775cabad | 1241 | |
c6c37250 DD |
1242 | sym_vma = (relocs[i]->addend |
1243 | + sym->value | |
1244 | + sym->section->vma | |
1245 | + sym->section->output_offset | |
1246 | + sym->section->output_section->vma); | |
1247 | reloc_data[total_relocs].vma = sec_vma + relocs[i]->address; | |
5cc18311 | 1248 | |
344a211f | 1249 | #define BITS_AND_SHIFT(bits, shift) (bits * 1000 | shift) |
5cc18311 | 1250 | |
344a211f NC |
1251 | switch BITS_AND_SHIFT (relocs[i]->howto->bitsize, |
1252 | relocs[i]->howto->rightshift) | |
252b5132 | 1253 | { |
99ad8390 NC |
1254 | #ifdef pe_use_x86_64 |
1255 | case BITS_AND_SHIFT (64, 0): | |
1256 | reloc_data[total_relocs].type = 10; | |
1257 | total_relocs++; | |
1258 | break; | |
1259 | #endif | |
344a211f | 1260 | case BITS_AND_SHIFT (32, 0): |
c6c37250 DD |
1261 | reloc_data[total_relocs].type = 3; |
1262 | total_relocs++; | |
252b5132 | 1263 | break; |
344a211f NC |
1264 | case BITS_AND_SHIFT (16, 0): |
1265 | reloc_data[total_relocs].type = 2; | |
1266 | total_relocs++; | |
1267 | break; | |
1268 | case BITS_AND_SHIFT (16, 16): | |
1269 | reloc_data[total_relocs].type = 4; | |
86b1cc60 KH |
1270 | /* FIXME: we can't know the symbol's right value |
1271 | yet, but we probably can safely assume that | |
1272 | CE will relocate us in 64k blocks, so leaving | |
1273 | it zero is safe. */ | |
344a211f NC |
1274 | reloc_data[total_relocs].extra = 0; |
1275 | total_relocs++; | |
1276 | break; | |
1277 | case BITS_AND_SHIFT (26, 2): | |
1278 | reloc_data[total_relocs].type = 5; | |
1279 | total_relocs++; | |
1280 | break; | |
fea39bcb | 1281 | case BITS_AND_SHIFT (24, 2): |
d3793eaa NC |
1282 | /* FIXME: 0 is ARM_26D, it is defined in bfd/coff-arm.c |
1283 | Those ARM_xxx definitions should go in proper | |
1284 | header someday. */ | |
1285 | if (relocs[i]->howto->type == 0 | |
1286 | /* Older GNU linkers used 5 instead of 0 for this reloc. */ | |
1287 | || relocs[i]->howto->type == 5) | |
fea39bcb NC |
1288 | /* This is an ARM_26D reloc, which is an ARM_26 reloc |
1289 | that has already been fully processed during a | |
1290 | previous link stage, so ignore it here. */ | |
1291 | break; | |
1292 | /* Fall through. */ | |
252b5132 RH |
1293 | default: |
1294 | /* xgettext:c-format */ | |
1295 | einfo (_("%XError: %d-bit reloc in dll\n"), | |
1296 | relocs[i]->howto->bitsize); | |
1297 | break; | |
1298 | } | |
1299 | } | |
1300 | } | |
1301 | free (relocs); | |
86b1cc60 KH |
1302 | /* Warning: the allocated symbols are remembered in BFD and |
1303 | reused later, so don't free them! */ | |
252b5132 RH |
1304 | } |
1305 | } | |
1306 | ||
1307 | /* At this point, we have total_relocs relocation addresses in | |
1308 | reloc_addresses, which are all suitable for the .reloc section. | |
5cc18311 | 1309 | We must now create the new sections. */ |
c6c37250 | 1310 | qsort (reloc_data, total_relocs, sizeof (*reloc_data), reloc_sort); |
252b5132 RH |
1311 | |
1312 | for (i = 0; i < total_relocs; i++) | |
1313 | { | |
c6c37250 | 1314 | unsigned long this_page = (reloc_data[i].vma >> 12); |
5cc18311 | 1315 | |
252b5132 RH |
1316 | if (this_page != sec_page) |
1317 | { | |
775cabad | 1318 | reloc_sz = (reloc_sz + 3) & ~3; /* 4-byte align. */ |
252b5132 RH |
1319 | reloc_sz += 8; |
1320 | sec_page = this_page; | |
1321 | } | |
5cc18311 | 1322 | |
252b5132 | 1323 | reloc_sz += 2; |
5cc18311 | 1324 | |
344a211f NC |
1325 | if (reloc_data[i].type == 4) |
1326 | reloc_sz += 2; | |
252b5132 | 1327 | } |
b7a26f91 | 1328 | |
775cabad | 1329 | reloc_sz = (reloc_sz + 3) & ~3; /* 4-byte align. */ |
1579bae1 AM |
1330 | reloc_d = xmalloc (reloc_sz); |
1331 | sec_page = (unsigned long) -1; | |
252b5132 | 1332 | reloc_sz = 0; |
1579bae1 | 1333 | page_ptr = (unsigned long) -1; |
252b5132 | 1334 | page_count = 0; |
775cabad | 1335 | |
252b5132 RH |
1336 | for (i = 0; i < total_relocs; i++) |
1337 | { | |
c6c37250 | 1338 | unsigned long rva = reloc_data[i].vma - image_base; |
252b5132 | 1339 | unsigned long this_page = (rva & ~0xfff); |
775cabad | 1340 | |
252b5132 RH |
1341 | if (this_page != sec_page) |
1342 | { | |
1343 | while (reloc_sz & 3) | |
1344 | reloc_d[reloc_sz++] = 0; | |
775cabad | 1345 | |
1579bae1 | 1346 | if (page_ptr != (unsigned long) -1) |
252b5132 | 1347 | bfd_put_32 (abfd, reloc_sz - page_ptr, reloc_d + page_ptr + 4); |
775cabad | 1348 | |
252b5132 RH |
1349 | bfd_put_32 (abfd, this_page, reloc_d + reloc_sz); |
1350 | page_ptr = reloc_sz; | |
1351 | reloc_sz += 8; | |
1352 | sec_page = this_page; | |
1353 | page_count = 0; | |
1354 | } | |
775cabad | 1355 | |
d643799d | 1356 | bfd_put_16 (abfd, (rva & 0xfff) + (reloc_data[i].type << 12), |
c6c37250 | 1357 | reloc_d + reloc_sz); |
252b5132 | 1358 | reloc_sz += 2; |
775cabad | 1359 | |
c6c37250 DD |
1360 | if (reloc_data[i].type == 4) |
1361 | { | |
1362 | bfd_put_16 (abfd, reloc_data[i].extra, reloc_d + reloc_sz); | |
1363 | reloc_sz += 2; | |
1364 | } | |
775cabad | 1365 | |
252b5132 RH |
1366 | page_count++; |
1367 | } | |
775cabad | 1368 | |
252b5132 RH |
1369 | while (reloc_sz & 3) |
1370 | reloc_d[reloc_sz++] = 0; | |
775cabad | 1371 | |
1579bae1 | 1372 | if (page_ptr != (unsigned long) -1) |
252b5132 | 1373 | bfd_put_32 (abfd, reloc_sz - page_ptr, reloc_d + page_ptr + 4); |
775cabad | 1374 | |
eea6121a | 1375 | while (reloc_sz < reloc_s->size) |
252b5132 RH |
1376 | reloc_d[reloc_sz++] = 0; |
1377 | } | |
1378 | ||
775cabad NC |
1379 | /* Given the exiting def_file structure, print out a .DEF file that |
1380 | corresponds to it. */ | |
252b5132 RH |
1381 | |
1382 | static void | |
1579bae1 | 1383 | quoteput (char *s, FILE *f, int needs_quotes) |
252b5132 RH |
1384 | { |
1385 | char *cp; | |
775cabad | 1386 | |
252b5132 RH |
1387 | for (cp = s; *cp; cp++) |
1388 | if (*cp == '\'' | |
1389 | || *cp == '"' | |
1390 | || *cp == '\\' | |
3882b010 | 1391 | || ISSPACE (*cp) |
252b5132 RH |
1392 | || *cp == ',' |
1393 | || *cp == ';') | |
1394 | needs_quotes = 1; | |
775cabad | 1395 | |
252b5132 RH |
1396 | if (needs_quotes) |
1397 | { | |
1398 | putc ('"', f); | |
775cabad | 1399 | |
252b5132 RH |
1400 | while (*s) |
1401 | { | |
1402 | if (*s == '"' || *s == '\\') | |
1403 | putc ('\\', f); | |
775cabad | 1404 | |
252b5132 RH |
1405 | putc (*s, f); |
1406 | s++; | |
1407 | } | |
775cabad | 1408 | |
252b5132 RH |
1409 | putc ('"', f); |
1410 | } | |
1411 | else | |
1412 | fputs (s, f); | |
1413 | } | |
1414 | ||
1415 | void | |
1579bae1 | 1416 | pe_dll_generate_def_file (const char *pe_out_def_filename) |
252b5132 RH |
1417 | { |
1418 | int i; | |
1419 | FILE *out = fopen (pe_out_def_filename, "w"); | |
775cabad | 1420 | |
252b5132 | 1421 | if (out == NULL) |
775cabad NC |
1422 | /* xgettext:c-format */ |
1423 | einfo (_("%s: Can't open output def file %s\n"), | |
1424 | program_name, pe_out_def_filename); | |
252b5132 RH |
1425 | |
1426 | if (pe_def_file) | |
1427 | { | |
1428 | if (pe_def_file->name) | |
1429 | { | |
1430 | if (pe_def_file->is_dll) | |
1431 | fprintf (out, "LIBRARY "); | |
1432 | else | |
1433 | fprintf (out, "NAME "); | |
775cabad | 1434 | |
252b5132 | 1435 | quoteput (pe_def_file->name, out, 1); |
775cabad | 1436 | |
252b5132 RH |
1437 | if (pe_data (output_bfd)->pe_opthdr.ImageBase) |
1438 | fprintf (out, " BASE=0x%lx", | |
1439 | (unsigned long) pe_data (output_bfd)->pe_opthdr.ImageBase); | |
1440 | fprintf (out, "\n"); | |
1441 | } | |
1442 | ||
1443 | if (pe_def_file->description) | |
1444 | { | |
1445 | fprintf (out, "DESCRIPTION "); | |
1446 | quoteput (pe_def_file->description, out, 1); | |
1447 | fprintf (out, "\n"); | |
1448 | } | |
1449 | ||
1450 | if (pe_def_file->version_minor != -1) | |
1451 | fprintf (out, "VERSION %d.%d\n", pe_def_file->version_major, | |
1452 | pe_def_file->version_minor); | |
1453 | else if (pe_def_file->version_major != -1) | |
1454 | fprintf (out, "VERSION %d\n", pe_def_file->version_major); | |
1455 | ||
1456 | if (pe_def_file->stack_reserve != -1 || pe_def_file->heap_reserve != -1) | |
1457 | fprintf (out, "\n"); | |
1458 | ||
1459 | if (pe_def_file->stack_commit != -1) | |
1460 | fprintf (out, "STACKSIZE 0x%x,0x%x\n", | |
1461 | pe_def_file->stack_reserve, pe_def_file->stack_commit); | |
1462 | else if (pe_def_file->stack_reserve != -1) | |
1463 | fprintf (out, "STACKSIZE 0x%x\n", pe_def_file->stack_reserve); | |
775cabad | 1464 | |
252b5132 RH |
1465 | if (pe_def_file->heap_commit != -1) |
1466 | fprintf (out, "HEAPSIZE 0x%x,0x%x\n", | |
1467 | pe_def_file->heap_reserve, pe_def_file->heap_commit); | |
1468 | else if (pe_def_file->heap_reserve != -1) | |
1469 | fprintf (out, "HEAPSIZE 0x%x\n", pe_def_file->heap_reserve); | |
1470 | ||
1471 | if (pe_def_file->num_section_defs > 0) | |
1472 | { | |
1473 | fprintf (out, "\nSECTIONS\n\n"); | |
775cabad | 1474 | |
252b5132 RH |
1475 | for (i = 0; i < pe_def_file->num_section_defs; i++) |
1476 | { | |
1477 | fprintf (out, " "); | |
1478 | quoteput (pe_def_file->section_defs[i].name, out, 0); | |
775cabad | 1479 | |
252b5132 RH |
1480 | if (pe_def_file->section_defs[i].class) |
1481 | { | |
1482 | fprintf (out, " CLASS "); | |
1483 | quoteput (pe_def_file->section_defs[i].class, out, 0); | |
1484 | } | |
775cabad | 1485 | |
252b5132 RH |
1486 | if (pe_def_file->section_defs[i].flag_read) |
1487 | fprintf (out, " READ"); | |
775cabad | 1488 | |
252b5132 RH |
1489 | if (pe_def_file->section_defs[i].flag_write) |
1490 | fprintf (out, " WRITE"); | |
775cabad | 1491 | |
252b5132 RH |
1492 | if (pe_def_file->section_defs[i].flag_execute) |
1493 | fprintf (out, " EXECUTE"); | |
775cabad | 1494 | |
252b5132 RH |
1495 | if (pe_def_file->section_defs[i].flag_shared) |
1496 | fprintf (out, " SHARED"); | |
775cabad | 1497 | |
252b5132 RH |
1498 | fprintf (out, "\n"); |
1499 | } | |
1500 | } | |
1501 | ||
1502 | if (pe_def_file->num_exports > 0) | |
1503 | { | |
b044cda1 | 1504 | fprintf (out, "EXPORTS\n"); |
775cabad | 1505 | |
252b5132 RH |
1506 | for (i = 0; i < pe_def_file->num_exports; i++) |
1507 | { | |
1508 | def_file_export *e = pe_def_file->exports + i; | |
1509 | fprintf (out, " "); | |
1510 | quoteput (e->name, out, 0); | |
775cabad | 1511 | |
252b5132 RH |
1512 | if (e->internal_name && strcmp (e->internal_name, e->name)) |
1513 | { | |
1514 | fprintf (out, " = "); | |
1515 | quoteput (e->internal_name, out, 0); | |
1516 | } | |
775cabad | 1517 | |
252b5132 RH |
1518 | if (e->ordinal != -1) |
1519 | fprintf (out, " @%d", e->ordinal); | |
775cabad | 1520 | |
252b5132 RH |
1521 | if (e->flag_private) |
1522 | fprintf (out, " PRIVATE"); | |
775cabad | 1523 | |
252b5132 RH |
1524 | if (e->flag_constant) |
1525 | fprintf (out, " CONSTANT"); | |
775cabad | 1526 | |
252b5132 RH |
1527 | if (e->flag_noname) |
1528 | fprintf (out, " NONAME"); | |
775cabad | 1529 | |
252b5132 RH |
1530 | if (e->flag_data) |
1531 | fprintf (out, " DATA"); | |
1532 | ||
1533 | fprintf (out, "\n"); | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | if (pe_def_file->num_imports > 0) | |
1538 | { | |
1539 | fprintf (out, "\nIMPORTS\n\n"); | |
775cabad | 1540 | |
252b5132 RH |
1541 | for (i = 0; i < pe_def_file->num_imports; i++) |
1542 | { | |
1543 | def_file_import *im = pe_def_file->imports + i; | |
1544 | fprintf (out, " "); | |
775cabad | 1545 | |
252b5132 RH |
1546 | if (im->internal_name |
1547 | && (!im->name || strcmp (im->internal_name, im->name))) | |
1548 | { | |
1549 | quoteput (im->internal_name, out, 0); | |
1550 | fprintf (out, " = "); | |
1551 | } | |
775cabad | 1552 | |
252b5132 RH |
1553 | quoteput (im->module->name, out, 0); |
1554 | fprintf (out, "."); | |
775cabad | 1555 | |
252b5132 RH |
1556 | if (im->name) |
1557 | quoteput (im->name, out, 0); | |
1558 | else | |
1559 | fprintf (out, "%d", im->ordinal); | |
775cabad | 1560 | |
252b5132 RH |
1561 | fprintf (out, "\n"); |
1562 | } | |
1563 | } | |
1564 | } | |
1565 | else | |
1566 | fprintf (out, _("; no contents available\n")); | |
1567 | ||
1568 | if (fclose (out) == EOF) | |
775cabad NC |
1569 | /* xgettext:c-format */ |
1570 | einfo (_("%P: Error closing file `%s'\n"), pe_out_def_filename); | |
252b5132 RH |
1571 | } |
1572 | ||
775cabad | 1573 | /* Generate the import library. */ |
252b5132 RH |
1574 | |
1575 | static asymbol **symtab; | |
1576 | static int symptr; | |
1577 | static int tmp_seq; | |
1578 | static const char *dll_filename; | |
1579 | static char *dll_symname; | |
1580 | ||
1581 | #define UNDSEC (asection *) &bfd_und_section | |
1582 | ||
1583 | static asection * | |
1579bae1 | 1584 | quick_section (bfd *abfd, const char *name, int flags, int align) |
252b5132 RH |
1585 | { |
1586 | asection *sec; | |
1587 | asymbol *sym; | |
1588 | ||
1589 | sec = bfd_make_section_old_way (abfd, name); | |
86b1cc60 | 1590 | bfd_set_section_flags (abfd, sec, flags | SEC_ALLOC | SEC_LOAD | SEC_KEEP); |
252b5132 | 1591 | bfd_set_section_alignment (abfd, sec, align); |
86b1cc60 | 1592 | /* Remember to undo this before trying to link internally! */ |
252b5132 RH |
1593 | sec->output_section = sec; |
1594 | ||
1595 | sym = bfd_make_empty_symbol (abfd); | |
1596 | symtab[symptr++] = sym; | |
1597 | sym->name = sec->name; | |
1598 | sym->section = sec; | |
1599 | sym->flags = BSF_LOCAL; | |
1600 | sym->value = 0; | |
1601 | ||
1602 | return sec; | |
1603 | } | |
1604 | ||
1605 | static void | |
1579bae1 AM |
1606 | quick_symbol (bfd *abfd, |
1607 | const char *n1, | |
1608 | const char *n2, | |
1609 | const char *n3, | |
1610 | asection *sec, | |
1611 | int flags, | |
1612 | int addr) | |
252b5132 RH |
1613 | { |
1614 | asymbol *sym; | |
1579bae1 | 1615 | char *name = xmalloc (strlen (n1) + strlen (n2) + strlen (n3) + 1); |
775cabad | 1616 | |
252b5132 RH |
1617 | strcpy (name, n1); |
1618 | strcat (name, n2); | |
1619 | strcat (name, n3); | |
1620 | sym = bfd_make_empty_symbol (abfd); | |
1621 | sym->name = name; | |
1622 | sym->section = sec; | |
1623 | sym->flags = flags; | |
1624 | sym->value = addr; | |
1625 | symtab[symptr++] = sym; | |
1626 | } | |
1627 | ||
1628 | static arelent *reltab = 0; | |
1629 | static int relcount = 0, relsize = 0; | |
1630 | ||
1631 | static void | |
1579bae1 | 1632 | quick_reloc (bfd *abfd, int address, int which_howto, int symidx) |
252b5132 | 1633 | { |
1579bae1 | 1634 | if (relcount >= relsize - 1) |
252b5132 RH |
1635 | { |
1636 | relsize += 10; | |
1637 | if (reltab) | |
1579bae1 | 1638 | reltab = xrealloc (reltab, relsize * sizeof (arelent)); |
252b5132 | 1639 | else |
1579bae1 | 1640 | reltab = xmalloc (relsize * sizeof (arelent)); |
252b5132 RH |
1641 | } |
1642 | reltab[relcount].address = address; | |
1643 | reltab[relcount].addend = 0; | |
1644 | reltab[relcount].howto = bfd_reloc_type_lookup (abfd, which_howto); | |
1645 | reltab[relcount].sym_ptr_ptr = symtab + symidx; | |
1646 | relcount++; | |
1647 | } | |
1648 | ||
1649 | static void | |
1650 | save_relocs (asection *sec) | |
1651 | { | |
1652 | int i; | |
775cabad | 1653 | |
252b5132 RH |
1654 | sec->relocation = reltab; |
1655 | sec->reloc_count = relcount; | |
1579bae1 | 1656 | sec->orelocation = xmalloc ((relcount + 1) * sizeof (arelent *)); |
d643799d | 1657 | for (i = 0; i < relcount; i++) |
252b5132 RH |
1658 | sec->orelocation[i] = sec->relocation + i; |
1659 | sec->orelocation[relcount] = 0; | |
1660 | sec->flags |= SEC_RELOC; | |
1661 | reltab = 0; | |
1662 | relcount = relsize = 0; | |
1663 | } | |
1664 | ||
775cabad NC |
1665 | /* .section .idata$2 |
1666 | .global __head_my_dll | |
1667 | __head_my_dll: | |
1668 | .rva hname | |
1669 | .long 0 | |
1670 | .long 0 | |
1671 | .rva __my_dll_iname | |
1672 | .rva fthunk | |
b7a26f91 | 1673 | |
775cabad NC |
1674 | .section .idata$5 |
1675 | .long 0 | |
1676 | fthunk: | |
b7a26f91 | 1677 | |
775cabad NC |
1678 | .section .idata$4 |
1679 | .long 0 | |
1680 | hname: */ | |
252b5132 RH |
1681 | |
1682 | static bfd * | |
1579bae1 | 1683 | make_head (bfd *parent) |
252b5132 RH |
1684 | { |
1685 | asection *id2, *id5, *id4; | |
1686 | unsigned char *d2, *d5, *d4; | |
1687 | char *oname; | |
1688 | bfd *abfd; | |
1689 | ||
1579bae1 | 1690 | oname = xmalloc (20); |
252b5132 RH |
1691 | sprintf (oname, "d%06d.o", tmp_seq); |
1692 | tmp_seq++; | |
1693 | ||
1694 | abfd = bfd_create (oname, parent); | |
c6c37250 | 1695 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
1696 | bfd_make_writable (abfd); |
1697 | ||
1698 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 1699 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
1700 | |
1701 | symptr = 0; | |
1579bae1 | 1702 | symtab = xmalloc (6 * sizeof (asymbol *)); |
252b5132 RH |
1703 | id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2); |
1704 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
1705 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); | |
d643799d KH |
1706 | quick_symbol (abfd, U ("_head_"), dll_symname, "", id2, BSF_GLOBAL, 0); |
1707 | quick_symbol (abfd, U (""), dll_symname, "_iname", UNDSEC, BSF_GLOBAL, 0); | |
c6c37250 DD |
1708 | |
1709 | /* OK, pay attention here. I got confused myself looking back at | |
1710 | it. We create a four-byte section to mark the beginning of the | |
1711 | list, and we include an offset of 4 in the section, so that the | |
1712 | pointer to the list points to the *end* of this section, which is | |
5cc18311 | 1713 | the start of the list of sections from other objects. */ |
252b5132 RH |
1714 | |
1715 | bfd_set_section_size (abfd, id2, 20); | |
1579bae1 | 1716 | d2 = xmalloc (20); |
252b5132 RH |
1717 | id2->contents = d2; |
1718 | memset (d2, 0, 20); | |
775cabad | 1719 | d2[0] = d2[16] = 4; /* Reloc addend. */ |
252b5132 RH |
1720 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 2); |
1721 | quick_reloc (abfd, 12, BFD_RELOC_RVA, 4); | |
1722 | quick_reloc (abfd, 16, BFD_RELOC_RVA, 1); | |
1723 | save_relocs (id2); | |
1724 | ||
99ad8390 NC |
1725 | bfd_set_section_size (abfd, id5, PE_IDATA5_SIZE); |
1726 | d5 = xmalloc (PE_IDATA5_SIZE); | |
252b5132 | 1727 | id5->contents = d5; |
99ad8390 | 1728 | memset (d5, 0, PE_IDATA5_SIZE); |
252b5132 | 1729 | |
99ad8390 NC |
1730 | bfd_set_section_size (abfd, id4, PE_IDATA4_SIZE); |
1731 | d4 = xmalloc (PE_IDATA4_SIZE); | |
252b5132 | 1732 | id4->contents = d4; |
99ad8390 | 1733 | memset (d4, 0, PE_IDATA4_SIZE); |
252b5132 RH |
1734 | |
1735 | bfd_set_symtab (abfd, symtab, symptr); | |
1736 | ||
1737 | bfd_set_section_contents (abfd, id2, d2, 0, 20); | |
99ad8390 NC |
1738 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); |
1739 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); | |
5cc18311 | 1740 | |
252b5132 RH |
1741 | bfd_make_readable (abfd); |
1742 | return abfd; | |
1743 | } | |
1744 | ||
775cabad NC |
1745 | /* .section .idata$4 |
1746 | .long 0 | |
99ad8390 | 1747 | [.long 0] for PE+ |
775cabad NC |
1748 | .section .idata$5 |
1749 | .long 0 | |
99ad8390 | 1750 | [.long 0] for PE+ |
775cabad NC |
1751 | .section idata$7 |
1752 | .global __my_dll_iname | |
1753 | __my_dll_iname: | |
1754 | .asciz "my.dll" */ | |
252b5132 RH |
1755 | |
1756 | static bfd * | |
1579bae1 | 1757 | make_tail (bfd *parent) |
252b5132 RH |
1758 | { |
1759 | asection *id4, *id5, *id7; | |
1760 | unsigned char *d4, *d5, *d7; | |
1761 | int len; | |
1762 | char *oname; | |
1763 | bfd *abfd; | |
1764 | ||
1579bae1 | 1765 | oname = xmalloc (20); |
252b5132 RH |
1766 | sprintf (oname, "d%06d.o", tmp_seq); |
1767 | tmp_seq++; | |
1768 | ||
1769 | abfd = bfd_create (oname, parent); | |
c6c37250 | 1770 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
1771 | bfd_make_writable (abfd); |
1772 | ||
1773 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 1774 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
1775 | |
1776 | symptr = 0; | |
1579bae1 | 1777 | symtab = xmalloc (5 * sizeof (asymbol *)); |
252b5132 RH |
1778 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); |
1779 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
1780 | id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2); | |
d643799d | 1781 | quick_symbol (abfd, U (""), dll_symname, "_iname", id7, BSF_GLOBAL, 0); |
252b5132 | 1782 | |
99ad8390 NC |
1783 | bfd_set_section_size (abfd, id4, PE_IDATA4_SIZE); |
1784 | d4 = xmalloc (PE_IDATA4_SIZE); | |
252b5132 | 1785 | id4->contents = d4; |
99ad8390 | 1786 | memset (d4, 0, PE_IDATA4_SIZE); |
252b5132 | 1787 | |
99ad8390 NC |
1788 | bfd_set_section_size (abfd, id5, PE_IDATA5_SIZE); |
1789 | d5 = xmalloc (PE_IDATA5_SIZE); | |
252b5132 | 1790 | id5->contents = d5; |
99ad8390 | 1791 | memset (d5, 0, PE_IDATA5_SIZE); |
252b5132 | 1792 | |
d643799d | 1793 | len = strlen (dll_filename) + 1; |
252b5132 | 1794 | if (len & 1) |
d643799d | 1795 | len++; |
252b5132 | 1796 | bfd_set_section_size (abfd, id7, len); |
1579bae1 | 1797 | d7 = xmalloc (len); |
252b5132 | 1798 | id7->contents = d7; |
47639182 | 1799 | strcpy ((char *) d7, dll_filename); |
252b5132 RH |
1800 | |
1801 | bfd_set_symtab (abfd, symtab, symptr); | |
1802 | ||
99ad8390 NC |
1803 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); |
1804 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); | |
252b5132 RH |
1805 | bfd_set_section_contents (abfd, id7, d7, 0, len); |
1806 | ||
1807 | bfd_make_readable (abfd); | |
1808 | return abfd; | |
1809 | } | |
1810 | ||
775cabad NC |
1811 | /* .text |
1812 | .global _function | |
1813 | .global ___imp_function | |
1814 | .global __imp__function | |
1815 | _function: | |
1816 | jmp *__imp__function: | |
b7a26f91 | 1817 | |
775cabad NC |
1818 | .section idata$7 |
1819 | .long __head_my_dll | |
b7a26f91 | 1820 | |
775cabad NC |
1821 | .section .idata$5 |
1822 | ___imp_function: | |
1823 | __imp__function: | |
1824 | iat? | |
1825 | .section .idata$4 | |
1826 | iat? | |
1827 | .section .idata$6 | |
1828 | ID<ordinal>: | |
1829 | .short <hint> | |
1830 | .asciz "function" xlate? (add underscore, kill at) */ | |
1831 | ||
1832 | static unsigned char jmp_ix86_bytes[] = | |
1833 | { | |
252b5132 RH |
1834 | 0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90 |
1835 | }; | |
1836 | ||
775cabad NC |
1837 | /* _function: |
1838 | mov.l ip+8,r0 | |
1839 | mov.l @r0,r0 | |
1840 | jmp @r0 | |
1841 | nop | |
1842 | .dw __imp_function */ | |
344a211f | 1843 | |
775cabad NC |
1844 | static unsigned char jmp_sh_bytes[] = |
1845 | { | |
344a211f NC |
1846 | 0x01, 0xd0, 0x02, 0x60, 0x2b, 0x40, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 |
1847 | }; | |
1848 | ||
775cabad NC |
1849 | /* _function: |
1850 | lui $t0,<high:__imp_function> | |
1851 | lw $t0,<low:__imp_function> | |
1852 | jr $t0 | |
1853 | nop */ | |
344a211f | 1854 | |
775cabad NC |
1855 | static unsigned char jmp_mips_bytes[] = |
1856 | { | |
344a211f NC |
1857 | 0x00, 0x00, 0x08, 0x3c, 0x00, 0x00, 0x08, 0x8d, |
1858 | 0x08, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 | |
1859 | }; | |
252b5132 | 1860 | |
53baae48 NC |
1861 | static unsigned char jmp_arm_bytes[] = |
1862 | { | |
1863 | 0x00, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc] */ | |
1864 | 0x00, 0xf0, 0x9c, 0xe5, /* ldr pc, [ip] */ | |
1865 | 0, 0, 0, 0 | |
1866 | }; | |
1867 | ||
1868 | ||
252b5132 | 1869 | static bfd * |
1579bae1 | 1870 | make_one (def_file_export *exp, bfd *parent) |
252b5132 RH |
1871 | { |
1872 | asection *tx, *id7, *id5, *id4, *id6; | |
23a87948 | 1873 | unsigned char *td = NULL, *d7, *d5, *d4, *d6 = NULL; |
252b5132 RH |
1874 | int len; |
1875 | char *oname; | |
1876 | bfd *abfd; | |
f0c87f88 NC |
1877 | unsigned char *jmp_bytes = NULL; |
1878 | int jmp_byte_count = 0; | |
c6c37250 DD |
1879 | |
1880 | switch (pe_details->pe_arch) | |
1881 | { | |
1882 | case PE_ARCH_i386: | |
1883 | jmp_bytes = jmp_ix86_bytes; | |
1884 | jmp_byte_count = sizeof (jmp_ix86_bytes); | |
1885 | break; | |
344a211f NC |
1886 | case PE_ARCH_sh: |
1887 | jmp_bytes = jmp_sh_bytes; | |
1888 | jmp_byte_count = sizeof (jmp_sh_bytes); | |
1889 | break; | |
1890 | case PE_ARCH_mips: | |
1891 | jmp_bytes = jmp_mips_bytes; | |
1892 | jmp_byte_count = sizeof (jmp_mips_bytes); | |
1893 | break; | |
53baae48 | 1894 | case PE_ARCH_arm: |
7148cc28 NC |
1895 | case PE_ARCH_arm_epoc: |
1896 | case PE_ARCH_arm_wince: | |
53baae48 NC |
1897 | jmp_bytes = jmp_arm_bytes; |
1898 | jmp_byte_count = sizeof (jmp_arm_bytes); | |
1899 | break; | |
775cabad NC |
1900 | default: |
1901 | abort (); | |
c6c37250 | 1902 | } |
252b5132 | 1903 | |
1579bae1 | 1904 | oname = xmalloc (20); |
252b5132 RH |
1905 | sprintf (oname, "d%06d.o", tmp_seq); |
1906 | tmp_seq++; | |
1907 | ||
1908 | abfd = bfd_create (oname, parent); | |
c6c37250 | 1909 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
1910 | bfd_make_writable (abfd); |
1911 | ||
1912 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 1913 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
1914 | |
1915 | symptr = 0; | |
1579bae1 | 1916 | symtab = xmalloc (11 * sizeof (asymbol *)); |
252b5132 RH |
1917 | tx = quick_section (abfd, ".text", SEC_CODE|SEC_HAS_CONTENTS, 2); |
1918 | id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2); | |
1919 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
1920 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); | |
1921 | id6 = quick_section (abfd, ".idata$6", SEC_HAS_CONTENTS, 2); | |
b34976b6 | 1922 | |
c9e38879 NC |
1923 | if (*exp->internal_name == '@') |
1924 | { | |
1579bae1 AM |
1925 | quick_symbol (abfd, U ("_head_"), dll_symname, "", UNDSEC, |
1926 | BSF_GLOBAL, 0); | |
4b7f0676 NC |
1927 | if (! exp->flag_data) |
1928 | quick_symbol (abfd, "", exp->internal_name, "", tx, BSF_GLOBAL, 0); | |
00479ba8 | 1929 | quick_symbol (abfd, "__imp_", exp->internal_name, "", id5, |
1579bae1 | 1930 | BSF_GLOBAL, 0); |
c9e38879 NC |
1931 | /* Fastcall applies only to functions, |
1932 | so no need for auto-import symbol. */ | |
1933 | } | |
1934 | else | |
1935 | { | |
4b7f0676 NC |
1936 | quick_symbol (abfd, U ("_head_"), dll_symname, "", UNDSEC, |
1937 | BSF_GLOBAL, 0); | |
c9e38879 | 1938 | if (! exp->flag_data) |
1579bae1 AM |
1939 | quick_symbol (abfd, U (""), exp->internal_name, "", tx, |
1940 | BSF_GLOBAL, 0); | |
00479ba8 | 1941 | quick_symbol (abfd, "__imp_", U (""), exp->internal_name, id5, |
1579bae1 | 1942 | BSF_GLOBAL, 0); |
c9e38879 | 1943 | /* Symbol to reference ord/name of imported |
1579bae1 | 1944 | data symbol, used to implement auto-import. */ |
c9e38879 | 1945 | if (exp->flag_data) |
00479ba8 | 1946 | quick_symbol (abfd, U ("_nm_"), U (""), exp->internal_name, id6, |
1579bae1 | 1947 | BSF_GLOBAL,0); |
c9e38879 | 1948 | } |
870df5dc | 1949 | if (pe_dll_compat_implib) |
1579bae1 AM |
1950 | quick_symbol (abfd, U ("__imp_"), exp->internal_name, "", id5, |
1951 | BSF_GLOBAL, 0); | |
252b5132 | 1952 | |
23a87948 | 1953 | if (! exp->flag_data) |
775cabad NC |
1954 | { |
1955 | bfd_set_section_size (abfd, tx, jmp_byte_count); | |
1579bae1 | 1956 | td = xmalloc (jmp_byte_count); |
775cabad NC |
1957 | tx->contents = td; |
1958 | memcpy (td, jmp_bytes, jmp_byte_count); | |
1959 | ||
1960 | switch (pe_details->pe_arch) | |
1961 | { | |
1962 | case PE_ARCH_i386: | |
1963 | quick_reloc (abfd, 2, BFD_RELOC_32, 2); | |
1964 | break; | |
1965 | case PE_ARCH_sh: | |
1966 | quick_reloc (abfd, 8, BFD_RELOC_32, 2); | |
1967 | break; | |
1968 | case PE_ARCH_mips: | |
1969 | quick_reloc (abfd, 0, BFD_RELOC_HI16_S, 2); | |
1970 | quick_reloc (abfd, 0, BFD_RELOC_LO16, 0); /* MIPS_R_PAIR */ | |
1971 | quick_reloc (abfd, 4, BFD_RELOC_LO16, 2); | |
1972 | break; | |
53baae48 | 1973 | case PE_ARCH_arm: |
7148cc28 NC |
1974 | case PE_ARCH_arm_epoc: |
1975 | case PE_ARCH_arm_wince: | |
53baae48 NC |
1976 | quick_reloc (abfd, 8, BFD_RELOC_32, 2); |
1977 | break; | |
775cabad NC |
1978 | default: |
1979 | abort (); | |
1980 | } | |
1981 | save_relocs (tx); | |
1982 | } | |
252b5132 RH |
1983 | |
1984 | bfd_set_section_size (abfd, id7, 4); | |
1579bae1 | 1985 | d7 = xmalloc (4); |
252b5132 RH |
1986 | id7->contents = d7; |
1987 | memset (d7, 0, 4); | |
4b7f0676 | 1988 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 5); |
252b5132 RH |
1989 | save_relocs (id7); |
1990 | ||
99ad8390 NC |
1991 | bfd_set_section_size (abfd, id5, PE_IDATA5_SIZE); |
1992 | d5 = xmalloc (PE_IDATA5_SIZE); | |
252b5132 | 1993 | id5->contents = d5; |
99ad8390 | 1994 | memset (d5, 0, PE_IDATA5_SIZE); |
775cabad | 1995 | |
252b5132 RH |
1996 | if (exp->flag_noname) |
1997 | { | |
1998 | d5[0] = exp->ordinal; | |
1999 | d5[1] = exp->ordinal >> 8; | |
99ad8390 | 2000 | d5[PE_IDATA5_SIZE - 1] = 0x80; |
252b5132 RH |
2001 | } |
2002 | else | |
2003 | { | |
2004 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 4); | |
2005 | save_relocs (id5); | |
2006 | } | |
2007 | ||
99ad8390 NC |
2008 | bfd_set_section_size (abfd, id4, PE_IDATA4_SIZE); |
2009 | d4 = xmalloc (PE_IDATA4_SIZE); | |
252b5132 | 2010 | id4->contents = d4; |
99ad8390 | 2011 | memset (d4, 0, PE_IDATA4_SIZE); |
775cabad | 2012 | |
252b5132 RH |
2013 | if (exp->flag_noname) |
2014 | { | |
c2a94a7a DD |
2015 | d4[0] = exp->ordinal; |
2016 | d4[1] = exp->ordinal >> 8; | |
99ad8390 | 2017 | d4[PE_IDATA4_SIZE - 1] = 0x80; |
252b5132 RH |
2018 | } |
2019 | else | |
2020 | { | |
2021 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 4); | |
2022 | save_relocs (id4); | |
2023 | } | |
2024 | ||
2025 | if (exp->flag_noname) | |
2026 | { | |
2027 | len = 0; | |
2028 | bfd_set_section_size (abfd, id6, 0); | |
2029 | } | |
2030 | else | |
2031 | { | |
2032 | len = strlen (exp->name) + 3; | |
2033 | if (len & 1) | |
2034 | len++; | |
2035 | bfd_set_section_size (abfd, id6, len); | |
1579bae1 | 2036 | d6 = xmalloc (len); |
252b5132 RH |
2037 | id6->contents = d6; |
2038 | memset (d6, 0, len); | |
2039 | d6[0] = exp->hint & 0xff; | |
2040 | d6[1] = exp->hint >> 8; | |
47639182 | 2041 | strcpy ((char *) d6 + 2, exp->name); |
252b5132 RH |
2042 | } |
2043 | ||
2044 | bfd_set_symtab (abfd, symtab, symptr); | |
2045 | ||
c6c37250 | 2046 | bfd_set_section_contents (abfd, tx, td, 0, jmp_byte_count); |
252b5132 | 2047 | bfd_set_section_contents (abfd, id7, d7, 0, 4); |
99ad8390 NC |
2048 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); |
2049 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); | |
252b5132 RH |
2050 | if (!exp->flag_noname) |
2051 | bfd_set_section_contents (abfd, id6, d6, 0, len); | |
2052 | ||
2053 | bfd_make_readable (abfd); | |
2054 | return abfd; | |
2055 | } | |
2056 | ||
b044cda1 | 2057 | static bfd * |
1579bae1 | 2058 | make_singleton_name_thunk (const char *import, bfd *parent) |
b044cda1 | 2059 | { |
775cabad | 2060 | /* Name thunks go to idata$4. */ |
b044cda1 CW |
2061 | asection *id4; |
2062 | unsigned char *d4; | |
2063 | char *oname; | |
2064 | bfd *abfd; | |
2065 | ||
1579bae1 | 2066 | oname = xmalloc (20); |
b044cda1 CW |
2067 | sprintf (oname, "nmth%06d.o", tmp_seq); |
2068 | tmp_seq++; | |
2069 | ||
2070 | abfd = bfd_create (oname, parent); | |
2071 | bfd_find_target (pe_details->object_target, abfd); | |
2072 | bfd_make_writable (abfd); | |
2073 | ||
2074 | bfd_set_format (abfd, bfd_object); | |
2075 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2076 | ||
2077 | symptr = 0; | |
1579bae1 | 2078 | symtab = xmalloc (3 * sizeof (asymbol *)); |
b044cda1 CW |
2079 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); |
2080 | quick_symbol (abfd, U ("_nm_thnk_"), import, "", id4, BSF_GLOBAL, 0); | |
2081 | quick_symbol (abfd, U ("_nm_"), import, "", UNDSEC, BSF_GLOBAL, 0); | |
2082 | ||
4e986257 CF |
2083 | /* We need space for the real thunk and for the null terminator. */ |
2084 | bfd_set_section_size (abfd, id4, PE_IDATA4_SIZE * 2); | |
2085 | d4 = xmalloc (PE_IDATA4_SIZE * 2); | |
b044cda1 | 2086 | id4->contents = d4; |
4e986257 | 2087 | memset (d4, 0, PE_IDATA4_SIZE * 2); |
b044cda1 CW |
2088 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 2); |
2089 | save_relocs (id4); | |
2090 | ||
2091 | bfd_set_symtab (abfd, symtab, symptr); | |
2092 | ||
4e986257 | 2093 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE * 2); |
b044cda1 CW |
2094 | |
2095 | bfd_make_readable (abfd); | |
2096 | return abfd; | |
2097 | } | |
2098 | ||
2099 | static char * | |
1579bae1 | 2100 | make_import_fixup_mark (arelent *rel) |
b044cda1 | 2101 | { |
775cabad | 2102 | /* We convert reloc to symbol, for later reference. */ |
b044cda1 CW |
2103 | static int counter; |
2104 | static char *fixup_name = NULL; | |
db09f25b | 2105 | static size_t buffer_len = 0; |
b7a26f91 | 2106 | |
fc0a2244 | 2107 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
b7a26f91 | 2108 | |
b044cda1 | 2109 | bfd *abfd = bfd_asymbol_bfd (sym); |
fe213ce2 | 2110 | struct bfd_link_hash_entry *bh; |
b044cda1 CW |
2111 | |
2112 | if (!fixup_name) | |
2113 | { | |
1579bae1 | 2114 | fixup_name = xmalloc (384); |
b044cda1 CW |
2115 | buffer_len = 384; |
2116 | } | |
2117 | ||
2118 | if (strlen (sym->name) + 25 > buffer_len) | |
b7a26f91 | 2119 | /* Assume 25 chars for "__fu" + counter + "_". If counter is |
b044cda1 | 2120 | bigger than 20 digits long, we've got worse problems than |
775cabad | 2121 | overflowing this buffer... */ |
b044cda1 CW |
2122 | { |
2123 | free (fixup_name); | |
a35bc64f NC |
2124 | /* New buffer size is length of symbol, plus 25, but |
2125 | then rounded up to the nearest multiple of 128. */ | |
b044cda1 | 2126 | buffer_len = ((strlen (sym->name) + 25) + 127) & ~127; |
1579bae1 | 2127 | fixup_name = xmalloc (buffer_len); |
b044cda1 | 2128 | } |
b7a26f91 | 2129 | |
b044cda1 CW |
2130 | sprintf (fixup_name, "__fu%d_%s", counter++, sym->name); |
2131 | ||
fe213ce2 | 2132 | bh = NULL; |
b7a26f91 | 2133 | bfd_coff_link_add_one_symbol (&link_info, abfd, fixup_name, BSF_GLOBAL, |
b044cda1 | 2134 | current_sec, /* sym->section, */ |
b34976b6 | 2135 | rel->address, NULL, TRUE, FALSE, &bh); |
fe213ce2 | 2136 | |
b044cda1 CW |
2137 | return fixup_name; |
2138 | } | |
2139 | ||
53baae48 | 2140 | /* .section .idata$2 |
775cabad NC |
2141 | .rva __nm_thnk_SYM (singleton thunk with name of func) |
2142 | .long 0 | |
2143 | .long 0 | |
2144 | .rva __my_dll_iname (name of dll) | |
2145 | .rva __fuNN_SYM (pointer to reference (address) in text) */ | |
b044cda1 CW |
2146 | |
2147 | static bfd * | |
1579bae1 AM |
2148 | make_import_fixup_entry (const char *name, |
2149 | const char *fixup_name, | |
2150 | const char *dll_symname, | |
2151 | bfd *parent) | |
b044cda1 | 2152 | { |
53baae48 NC |
2153 | asection *id2; |
2154 | unsigned char *d2; | |
b044cda1 CW |
2155 | char *oname; |
2156 | bfd *abfd; | |
2157 | ||
1579bae1 | 2158 | oname = xmalloc (20); |
b044cda1 CW |
2159 | sprintf (oname, "fu%06d.o", tmp_seq); |
2160 | tmp_seq++; | |
2161 | ||
2162 | abfd = bfd_create (oname, parent); | |
2163 | bfd_find_target (pe_details->object_target, abfd); | |
2164 | bfd_make_writable (abfd); | |
2165 | ||
2166 | bfd_set_format (abfd, bfd_object); | |
2167 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2168 | ||
2169 | symptr = 0; | |
1579bae1 | 2170 | symtab = xmalloc (6 * sizeof (asymbol *)); |
53baae48 | 2171 | id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2); |
775cabad | 2172 | |
b044cda1 CW |
2173 | quick_symbol (abfd, U ("_nm_thnk_"), name, "", UNDSEC, BSF_GLOBAL, 0); |
2174 | quick_symbol (abfd, U (""), dll_symname, "_iname", UNDSEC, BSF_GLOBAL, 0); | |
2175 | quick_symbol (abfd, "", fixup_name, "", UNDSEC, BSF_GLOBAL, 0); | |
2176 | ||
53baae48 NC |
2177 | bfd_set_section_size (abfd, id2, 20); |
2178 | d2 = xmalloc (20); | |
2179 | id2->contents = d2; | |
2180 | memset (d2, 0, 20); | |
b044cda1 CW |
2181 | |
2182 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 1); | |
2183 | quick_reloc (abfd, 12, BFD_RELOC_RVA, 2); | |
2184 | quick_reloc (abfd, 16, BFD_RELOC_RVA, 3); | |
53baae48 | 2185 | save_relocs (id2); |
b044cda1 CW |
2186 | |
2187 | bfd_set_symtab (abfd, symtab, symptr); | |
2188 | ||
53baae48 | 2189 | bfd_set_section_contents (abfd, id2, d2, 0, 20); |
b044cda1 CW |
2190 | |
2191 | bfd_make_readable (abfd); | |
2192 | return abfd; | |
2193 | } | |
2194 | ||
2fa9fc65 NC |
2195 | /* .section .rdata_runtime_pseudo_reloc |
2196 | .long addend | |
2197 | .rva __fuNN_SYM (pointer to reference (address) in text) */ | |
2198 | ||
2199 | static bfd * | |
1579bae1 AM |
2200 | make_runtime_pseudo_reloc (const char *name ATTRIBUTE_UNUSED, |
2201 | const char *fixup_name, | |
2202 | int addend, | |
2203 | bfd *parent) | |
2fa9fc65 NC |
2204 | { |
2205 | asection *rt_rel; | |
2206 | unsigned char *rt_rel_d; | |
2207 | char *oname; | |
2208 | bfd *abfd; | |
2209 | ||
1579bae1 | 2210 | oname = xmalloc (20); |
2fa9fc65 NC |
2211 | sprintf (oname, "rtr%06d.o", tmp_seq); |
2212 | tmp_seq++; | |
2213 | ||
2214 | abfd = bfd_create (oname, parent); | |
2215 | bfd_find_target (pe_details->object_target, abfd); | |
2216 | bfd_make_writable (abfd); | |
2217 | ||
2218 | bfd_set_format (abfd, bfd_object); | |
2219 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2220 | ||
2221 | symptr = 0; | |
1579bae1 AM |
2222 | symtab = xmalloc (2 * sizeof (asymbol *)); |
2223 | rt_rel = quick_section (abfd, ".rdata_runtime_pseudo_reloc", | |
2224 | SEC_HAS_CONTENTS, 2); | |
2fa9fc65 NC |
2225 | |
2226 | quick_symbol (abfd, "", fixup_name, "", UNDSEC, BSF_GLOBAL, 0); | |
2227 | ||
2228 | bfd_set_section_size (abfd, rt_rel, 8); | |
1579bae1 | 2229 | rt_rel_d = xmalloc (8); |
2fa9fc65 NC |
2230 | rt_rel->contents = rt_rel_d; |
2231 | memset (rt_rel_d, 0, 8); | |
2232 | bfd_put_32 (abfd, addend, rt_rel_d); | |
2233 | ||
2234 | quick_reloc (abfd, 4, BFD_RELOC_RVA, 1); | |
2235 | save_relocs (rt_rel); | |
2236 | ||
2237 | bfd_set_symtab (abfd, symtab, symptr); | |
2238 | ||
2239 | bfd_set_section_contents (abfd, rt_rel, rt_rel_d, 0, 8); | |
2240 | ||
2241 | bfd_make_readable (abfd); | |
2242 | return abfd; | |
2243 | } | |
2244 | ||
2245 | /* .section .rdata | |
a35bc64f | 2246 | .rva __pei386_runtime_relocator */ |
2fa9fc65 NC |
2247 | |
2248 | static bfd * | |
1579bae1 | 2249 | pe_create_runtime_relocator_reference (bfd *parent) |
2fa9fc65 NC |
2250 | { |
2251 | asection *extern_rt_rel; | |
2252 | unsigned char *extern_rt_rel_d; | |
2253 | char *oname; | |
2254 | bfd *abfd; | |
2255 | ||
1579bae1 | 2256 | oname = xmalloc (20); |
2fa9fc65 NC |
2257 | sprintf (oname, "ertr%06d.o", tmp_seq); |
2258 | tmp_seq++; | |
2259 | ||
2260 | abfd = bfd_create (oname, parent); | |
2261 | bfd_find_target (pe_details->object_target, abfd); | |
2262 | bfd_make_writable (abfd); | |
2263 | ||
2264 | bfd_set_format (abfd, bfd_object); | |
2265 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2266 | ||
2267 | symptr = 0; | |
1579bae1 | 2268 | symtab = xmalloc (2 * sizeof (asymbol *)); |
2fa9fc65 NC |
2269 | extern_rt_rel = quick_section (abfd, ".rdata", SEC_HAS_CONTENTS, 2); |
2270 | ||
00479ba8 | 2271 | quick_symbol (abfd, "", U ("_pei386_runtime_relocator"), "", UNDSEC, |
1579bae1 | 2272 | BSF_NO_FLAGS, 0); |
2fa9fc65 NC |
2273 | |
2274 | bfd_set_section_size (abfd, extern_rt_rel, 4); | |
1579bae1 | 2275 | extern_rt_rel_d = xmalloc (4); |
2fa9fc65 NC |
2276 | extern_rt_rel->contents = extern_rt_rel_d; |
2277 | ||
2278 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 1); | |
2279 | save_relocs (extern_rt_rel); | |
2280 | ||
2281 | bfd_set_symtab (abfd, symtab, symptr); | |
2282 | ||
2283 | bfd_set_section_contents (abfd, extern_rt_rel, extern_rt_rel_d, 0, 4); | |
2284 | ||
2285 | bfd_make_readable (abfd); | |
2286 | return abfd; | |
2287 | } | |
2288 | ||
b044cda1 | 2289 | void |
1579bae1 | 2290 | pe_create_import_fixup (arelent *rel, asection *s, int addend) |
b044cda1 CW |
2291 | { |
2292 | char buf[300]; | |
fc0a2244 | 2293 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
b044cda1 | 2294 | struct bfd_link_hash_entry *name_thunk_sym; |
db09f25b | 2295 | const char *name = sym->name; |
b044cda1 | 2296 | char *fixup_name = make_import_fixup_mark (rel); |
2fa9fc65 | 2297 | bfd *b; |
b044cda1 CW |
2298 | |
2299 | sprintf (buf, U ("_nm_thnk_%s"), name); | |
2300 | ||
2301 | name_thunk_sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); | |
2302 | ||
2303 | if (!name_thunk_sym || name_thunk_sym->type != bfd_link_hash_defined) | |
2304 | { | |
2305 | bfd *b = make_singleton_name_thunk (name, output_bfd); | |
2306 | add_bfd_to_link (b, b->filename, &link_info); | |
2307 | ||
775cabad | 2308 | /* If we ever use autoimport, we have to cast text section writable. */ |
b34976b6 | 2309 | config.text_read_only = FALSE; |
4d8907ac | 2310 | output_bfd->flags &= ~WP_TEXT; |
b044cda1 CW |
2311 | } |
2312 | ||
2fa9fc65 NC |
2313 | if (addend == 0 || link_info.pei386_runtime_pseudo_reloc) |
2314 | { | |
2315 | extern char * pe_data_import_dll; | |
2316 | char * dll_symname = pe_data_import_dll ? pe_data_import_dll : "unknown"; | |
aa3d9aba | 2317 | |
2fa9fc65 NC |
2318 | b = make_import_fixup_entry (name, fixup_name, dll_symname, output_bfd); |
2319 | add_bfd_to_link (b, b->filename, &link_info); | |
2320 | } | |
2321 | ||
2322 | if (addend != 0) | |
2323 | { | |
2324 | if (link_info.pei386_runtime_pseudo_reloc) | |
2325 | { | |
2326 | if (pe_dll_extra_pe_debug) | |
2327 | printf ("creating runtime pseudo-reloc entry for %s (addend=%d)\n", | |
2328 | fixup_name, addend); | |
2329 | b = make_runtime_pseudo_reloc (name, fixup_name, addend, output_bfd); | |
2330 | add_bfd_to_link (b, b->filename, &link_info); | |
2331 | ||
2332 | if (runtime_pseudo_relocs_created == 0) | |
2333 | { | |
2334 | b = pe_create_runtime_relocator_reference (output_bfd); | |
2335 | add_bfd_to_link (b, b->filename, &link_info); | |
2336 | } | |
2337 | runtime_pseudo_relocs_created++; | |
b34976b6 | 2338 | } |
2fa9fc65 NC |
2339 | else |
2340 | { | |
2341 | einfo (_("%C: variable '%T' can't be auto-imported. Please read the documentation for ld's --enable-auto-import for details.\n"), | |
2342 | s->owner, s, rel->address, sym->name); | |
2343 | einfo ("%X"); | |
2344 | } | |
2345 | } | |
b044cda1 CW |
2346 | } |
2347 | ||
2348 | ||
252b5132 | 2349 | void |
1579bae1 | 2350 | pe_dll_generate_implib (def_file *def, const char *impfilename) |
252b5132 RH |
2351 | { |
2352 | int i; | |
2353 | bfd *ar_head; | |
2354 | bfd *ar_tail; | |
2355 | bfd *outarch; | |
2356 | bfd *head = 0; | |
2357 | ||
5aaace27 | 2358 | dll_filename = (def->name) ? def->name : dll_name; |
252b5132 | 2359 | dll_symname = xstrdup (dll_filename); |
d643799d | 2360 | for (i = 0; dll_symname[i]; i++) |
3882b010 | 2361 | if (!ISALNUM (dll_symname[i])) |
252b5132 RH |
2362 | dll_symname[i] = '_'; |
2363 | ||
bb14f524 | 2364 | unlink_if_ordinary (impfilename); |
252b5132 RH |
2365 | |
2366 | outarch = bfd_openw (impfilename, 0); | |
2367 | ||
2368 | if (!outarch) | |
2369 | { | |
2370 | /* xgettext:c-format */ | |
2371 | einfo (_("%XCan't open .lib file: %s\n"), impfilename); | |
2372 | return; | |
2373 | } | |
2374 | ||
2375 | /* xgettext:c-format */ | |
63d85248 NC |
2376 | info_msg (_("Creating library file: %s\n"), impfilename); |
2377 | ||
252b5132 RH |
2378 | bfd_set_format (outarch, bfd_archive); |
2379 | outarch->has_armap = 1; | |
2380 | ||
5cc18311 | 2381 | /* Work out a reasonable size of things to put onto one line. */ |
252b5132 | 2382 | ar_head = make_head (outarch); |
252b5132 | 2383 | |
d643799d | 2384 | for (i = 0; i < def->num_exports; i++) |
252b5132 | 2385 | { |
86b1cc60 | 2386 | /* The import library doesn't know about the internal name. */ |
252b5132 RH |
2387 | char *internal = def->exports[i].internal_name; |
2388 | bfd *n; | |
775cabad | 2389 | |
ee31fbd0 NC |
2390 | /* Don't add PRIVATE entries to import lib. */ |
2391 | if (pe_def_file->exports[i].flag_private) | |
2392 | continue; | |
252b5132 | 2393 | def->exports[i].internal_name = def->exports[i].name; |
d643799d | 2394 | n = make_one (def->exports + i, outarch); |
252b5132 RH |
2395 | n->next = head; |
2396 | head = n; | |
2397 | def->exports[i].internal_name = internal; | |
2398 | } | |
2399 | ||
c6c37250 DD |
2400 | ar_tail = make_tail (outarch); |
2401 | ||
2402 | if (ar_head == NULL || ar_tail == NULL) | |
2403 | return; | |
2404 | ||
86b1cc60 | 2405 | /* Now stick them all into the archive. */ |
252b5132 RH |
2406 | ar_head->next = head; |
2407 | ar_tail->next = ar_head; | |
2408 | head = ar_tail; | |
2409 | ||
2410 | if (! bfd_set_archive_head (outarch, head)) | |
36230712 | 2411 | einfo ("%Xbfd_set_archive_head: %E\n"); |
5cc18311 | 2412 | |
252b5132 | 2413 | if (! bfd_close (outarch)) |
36230712 | 2414 | einfo ("%Xbfd_close %s: %E\n", impfilename); |
252b5132 RH |
2415 | |
2416 | while (head != NULL) | |
2417 | { | |
2418 | bfd *n = head->next; | |
2419 | bfd_close (head); | |
2420 | head = n; | |
2421 | } | |
2422 | } | |
2423 | ||
2424 | static void | |
1579bae1 | 2425 | add_bfd_to_link (bfd *abfd, const char *name, struct bfd_link_info *link_info) |
252b5132 RH |
2426 | { |
2427 | lang_input_statement_type *fake_file; | |
775cabad | 2428 | |
252b5132 RH |
2429 | fake_file = lang_add_input_file (name, |
2430 | lang_input_file_is_fake_enum, | |
2431 | NULL); | |
2432 | fake_file->the_bfd = abfd; | |
2433 | ldlang_add_file (fake_file); | |
775cabad | 2434 | |
252b5132 | 2435 | if (!bfd_link_add_symbols (abfd, link_info)) |
36230712 | 2436 | einfo ("%Xaddsym %s: %E\n", name); |
252b5132 RH |
2437 | } |
2438 | ||
2439 | void | |
1579bae1 | 2440 | pe_process_import_defs (bfd *output_bfd, struct bfd_link_info *link_info) |
252b5132 RH |
2441 | { |
2442 | def_file_module *module; | |
775cabad | 2443 | |
d643799d | 2444 | pe_dll_id_target (bfd_get_target (output_bfd)); |
252b5132 RH |
2445 | |
2446 | if (!pe_def_file) | |
2447 | return; | |
2448 | ||
2449 | for (module = pe_def_file->modules; module; module = module->next) | |
2450 | { | |
2451 | int i, do_this_dll; | |
2452 | ||
2453 | dll_filename = module->name; | |
2454 | dll_symname = xstrdup (module->name); | |
d643799d | 2455 | for (i = 0; dll_symname[i]; i++) |
3882b010 | 2456 | if (!ISALNUM (dll_symname[i])) |
252b5132 RH |
2457 | dll_symname[i] = '_'; |
2458 | ||
2459 | do_this_dll = 0; | |
2460 | ||
d643799d | 2461 | for (i = 0; i < pe_def_file->num_imports; i++) |
252b5132 RH |
2462 | if (pe_def_file->imports[i].module == module) |
2463 | { | |
2464 | def_file_export exp; | |
2465 | struct bfd_link_hash_entry *blhe; | |
b34976b6 | 2466 | int lead_at = (*pe_def_file->imports[i].internal_name == '@'); |
86b1cc60 | 2467 | /* See if we need this import. */ |
1579bae1 AM |
2468 | size_t len = strlen (pe_def_file->imports[i].internal_name); |
2469 | char *name = xmalloc (len + 2 + 6); | |
c9e38879 NC |
2470 | |
2471 | if (lead_at) | |
00479ba8 | 2472 | sprintf (name, "%s", |
1579bae1 | 2473 | pe_def_file->imports[i].internal_name); |
c9e38879 | 2474 | else |
1579bae1 AM |
2475 | sprintf (name, "%s%s",U (""), |
2476 | pe_def_file->imports[i].internal_name); | |
c9e38879 | 2477 | |
252b5132 | 2478 | blhe = bfd_link_hash_lookup (link_info->hash, name, |
b34976b6 | 2479 | FALSE, FALSE, FALSE); |
c9e38879 | 2480 | |
874c8c99 DD |
2481 | if (!blhe || (blhe && blhe->type != bfd_link_hash_undefined)) |
2482 | { | |
c9e38879 | 2483 | if (lead_at) |
00479ba8 | 2484 | sprintf (name, "%s%s", "__imp_", |
c9e38879 NC |
2485 | pe_def_file->imports[i].internal_name); |
2486 | else | |
00479ba8 | 2487 | sprintf (name, "%s%s%s", "__imp_", U (""), |
c9e38879 NC |
2488 | pe_def_file->imports[i].internal_name); |
2489 | ||
874c8c99 | 2490 | blhe = bfd_link_hash_lookup (link_info->hash, name, |
b34976b6 | 2491 | FALSE, FALSE, FALSE); |
874c8c99 | 2492 | } |
252b5132 | 2493 | free (name); |
c9e38879 | 2494 | |
252b5132 RH |
2495 | if (blhe && blhe->type == bfd_link_hash_undefined) |
2496 | { | |
2497 | bfd *one; | |
86b1cc60 | 2498 | /* We do. */ |
252b5132 RH |
2499 | if (!do_this_dll) |
2500 | { | |
2501 | bfd *ar_head = make_head (output_bfd); | |
2502 | add_bfd_to_link (ar_head, ar_head->filename, link_info); | |
2503 | do_this_dll = 1; | |
2504 | } | |
2505 | exp.internal_name = pe_def_file->imports[i].internal_name; | |
2506 | exp.name = pe_def_file->imports[i].name; | |
2507 | exp.ordinal = pe_def_file->imports[i].ordinal; | |
2508 | exp.hint = exp.ordinal >= 0 ? exp.ordinal : 0; | |
2509 | exp.flag_private = 0; | |
2510 | exp.flag_constant = 0; | |
939ba9d0 | 2511 | exp.flag_data = pe_def_file->imports[i].data; |
252b5132 RH |
2512 | exp.flag_noname = exp.name ? 0 : 1; |
2513 | one = make_one (&exp, output_bfd); | |
2514 | add_bfd_to_link (one, one->filename, link_info); | |
2515 | } | |
2516 | } | |
2517 | if (do_this_dll) | |
2518 | { | |
2519 | bfd *ar_tail = make_tail (output_bfd); | |
2520 | add_bfd_to_link (ar_tail, ar_tail->filename, link_info); | |
2521 | } | |
2522 | ||
2523 | free (dll_symname); | |
2524 | } | |
2525 | } | |
2526 | ||
775cabad | 2527 | /* We were handed a *.DLL file. Parse it and turn it into a set of |
b34976b6 AM |
2528 | IMPORTS directives in the def file. Return TRUE if the file was |
2529 | handled, FALSE if not. */ | |
252b5132 RH |
2530 | |
2531 | static unsigned int | |
1579bae1 | 2532 | pe_get16 (bfd *abfd, int where) |
252b5132 RH |
2533 | { |
2534 | unsigned char b[2]; | |
775cabad | 2535 | |
db09f25b AM |
2536 | bfd_seek (abfd, (file_ptr) where, SEEK_SET); |
2537 | bfd_bread (b, (bfd_size_type) 2, abfd); | |
d643799d | 2538 | return b[0] + (b[1] << 8); |
252b5132 RH |
2539 | } |
2540 | ||
2541 | static unsigned int | |
1579bae1 | 2542 | pe_get32 (bfd *abfd, int where) |
252b5132 RH |
2543 | { |
2544 | unsigned char b[4]; | |
775cabad | 2545 | |
db09f25b AM |
2546 | bfd_seek (abfd, (file_ptr) where, SEEK_SET); |
2547 | bfd_bread (b, (bfd_size_type) 4, abfd); | |
d643799d | 2548 | return b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24); |
252b5132 RH |
2549 | } |
2550 | ||
252b5132 | 2551 | static unsigned int |
1579bae1 | 2552 | pe_as32 (void *ptr) |
252b5132 RH |
2553 | { |
2554 | unsigned char *b = ptr; | |
775cabad | 2555 | |
d643799d | 2556 | return b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24); |
252b5132 RH |
2557 | } |
2558 | ||
b34976b6 | 2559 | bfd_boolean |
1579bae1 | 2560 | pe_implied_import_dll (const char *filename) |
252b5132 RH |
2561 | { |
2562 | bfd *dll; | |
2563 | unsigned long pe_header_offset, opthdr_ofs, num_entries, i; | |
2564 | unsigned long export_rva, export_size, nsections, secptr, expptr; | |
939ba9d0 | 2565 | unsigned long exp_funcbase; |
47639182 AM |
2566 | unsigned char *expdata; |
2567 | char *erva; | |
252b5132 | 2568 | unsigned long name_rvas, ordinals, nexp, ordbase; |
1069dd8d | 2569 | const char *dll_name; |
939ba9d0 NC |
2570 | /* Initialization with start > end guarantees that is_data |
2571 | will not be set by mistake, and avoids compiler warning. */ | |
2572 | unsigned long data_start = 1; | |
661a32f7 DS |
2573 | unsigned long data_end = 0; |
2574 | unsigned long rdata_start = 1; | |
2575 | unsigned long rdata_end = 0; | |
2576 | unsigned long bss_start = 1; | |
2577 | unsigned long bss_end = 0; | |
252b5132 RH |
2578 | |
2579 | /* No, I can't use bfd here. kernel32.dll puts its export table in | |
5cc18311 | 2580 | the middle of the .rdata section. */ |
c6c37250 | 2581 | dll = bfd_openr (filename, pe_details->target_name); |
252b5132 RH |
2582 | if (!dll) |
2583 | { | |
36230712 | 2584 | einfo ("%Xopen %s: %E\n", filename); |
b34976b6 | 2585 | return FALSE; |
252b5132 | 2586 | } |
775cabad | 2587 | |
86b1cc60 | 2588 | /* PEI dlls seem to be bfd_objects. */ |
252b5132 RH |
2589 | if (!bfd_check_format (dll, bfd_object)) |
2590 | { | |
2591 | einfo ("%X%s: this doesn't appear to be a DLL\n", filename); | |
b34976b6 | 2592 | return FALSE; |
252b5132 RH |
2593 | } |
2594 | ||
939ba9d0 | 2595 | /* Get pe_header, optional header and numbers of export entries. */ |
252b5132 RH |
2596 | pe_header_offset = pe_get32 (dll, 0x3c); |
2597 | opthdr_ofs = pe_header_offset + 4 + 20; | |
99ad8390 NC |
2598 | #ifdef pe_use_x86_64 |
2599 | num_entries = pe_get32 (dll, opthdr_ofs + 92 + 4 * 4); /* & NumberOfRvaAndSizes. */ | |
2600 | #else | |
252b5132 | 2601 | num_entries = pe_get32 (dll, opthdr_ofs + 92); |
99ad8390 | 2602 | #endif |
775cabad NC |
2603 | |
2604 | if (num_entries < 1) /* No exports. */ | |
b34976b6 | 2605 | return FALSE; |
775cabad | 2606 | |
99ad8390 NC |
2607 | #ifdef pe_use_x86_64 |
2608 | export_rva = pe_get32 (dll, opthdr_ofs + 96 + 4 * 4); | |
2609 | export_size = pe_get32 (dll, opthdr_ofs + 100 + 4 * 4); | |
2610 | #else | |
252b5132 RH |
2611 | export_rva = pe_get32 (dll, opthdr_ofs + 96); |
2612 | export_size = pe_get32 (dll, opthdr_ofs + 100); | |
99ad8390 NC |
2613 | #endif |
2614 | ||
252b5132 RH |
2615 | nsections = pe_get16 (dll, pe_header_offset + 4 + 2); |
2616 | secptr = (pe_header_offset + 4 + 20 + | |
2617 | pe_get16 (dll, pe_header_offset + 4 + 16)); | |
2618 | expptr = 0; | |
775cabad | 2619 | |
1579bae1 | 2620 | /* Get the rva and size of the export section. */ |
d643799d | 2621 | for (i = 0; i < nsections; i++) |
252b5132 RH |
2622 | { |
2623 | char sname[8]; | |
2624 | unsigned long secptr1 = secptr + 40 * i; | |
2625 | unsigned long vaddr = pe_get32 (dll, secptr1 + 12); | |
2626 | unsigned long vsize = pe_get32 (dll, secptr1 + 16); | |
2627 | unsigned long fptr = pe_get32 (dll, secptr1 + 20); | |
775cabad | 2628 | |
db09f25b AM |
2629 | bfd_seek (dll, (file_ptr) secptr1, SEEK_SET); |
2630 | bfd_bread (sname, (bfd_size_type) 8, dll); | |
775cabad | 2631 | |
d643799d | 2632 | if (vaddr <= export_rva && vaddr + vsize > export_rva) |
252b5132 RH |
2633 | { |
2634 | expptr = fptr + (export_rva - vaddr); | |
2635 | if (export_rva + export_size > vaddr + vsize) | |
2636 | export_size = vsize - (export_rva - vaddr); | |
2637 | break; | |
2638 | } | |
2639 | } | |
2640 | ||
939ba9d0 | 2641 | /* Scan sections and store the base and size of the |
1579bae1 | 2642 | data and bss segments in data/base_start/end. */ |
939ba9d0 NC |
2643 | for (i = 0; i < nsections; i++) |
2644 | { | |
2645 | unsigned long secptr1 = secptr + 40 * i; | |
2646 | unsigned long vsize = pe_get32 (dll, secptr1 + 8); | |
2647 | unsigned long vaddr = pe_get32 (dll, secptr1 + 12); | |
2648 | unsigned long flags = pe_get32 (dll, secptr1 + 36); | |
2649 | char sec_name[9]; | |
2650 | ||
2651 | sec_name[8] = '\0'; | |
2652 | bfd_seek (dll, (file_ptr) secptr1 + 0, SEEK_SET); | |
2653 | bfd_bread (sec_name, (bfd_size_type) 8, dll); | |
2654 | ||
2655 | if (strcmp(sec_name,".data") == 0) | |
2656 | { | |
2657 | data_start = vaddr; | |
2658 | data_end = vaddr + vsize; | |
2659 | ||
661a32f7 DS |
2660 | if (pe_dll_extra_pe_debug) |
2661 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
2662 | __FUNCTION__, sec_name, vaddr, vaddr + vsize, flags); | |
2663 | } | |
2664 | else if (strcmp(sec_name,".rdata") == 0) | |
2665 | { | |
2666 | rdata_start = vaddr; | |
2667 | rdata_end = vaddr + vsize; | |
2668 | ||
939ba9d0 NC |
2669 | if (pe_dll_extra_pe_debug) |
2670 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
2671 | __FUNCTION__, sec_name, vaddr, vaddr + vsize, flags); | |
1579bae1 | 2672 | } |
939ba9d0 NC |
2673 | else if (strcmp (sec_name,".bss") == 0) |
2674 | { | |
2675 | bss_start = vaddr; | |
2676 | bss_end = vaddr + vsize; | |
2677 | ||
2678 | if (pe_dll_extra_pe_debug) | |
2679 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
2680 | __FUNCTION__, sec_name, vaddr, vaddr + vsize, flags); | |
2681 | } | |
2682 | } | |
2683 | ||
1579bae1 | 2684 | expdata = xmalloc (export_size); |
db09f25b AM |
2685 | bfd_seek (dll, (file_ptr) expptr, SEEK_SET); |
2686 | bfd_bread (expdata, (bfd_size_type) export_size, dll); | |
47639182 | 2687 | erva = (char *) expdata - export_rva; |
252b5132 RH |
2688 | |
2689 | if (pe_def_file == 0) | |
d643799d | 2690 | pe_def_file = def_file_empty (); |
252b5132 | 2691 | |
d643799d KH |
2692 | nexp = pe_as32 (expdata + 24); |
2693 | name_rvas = pe_as32 (expdata + 32); | |
2694 | ordinals = pe_as32 (expdata + 36); | |
2695 | ordbase = pe_as32 (expdata + 16); | |
939ba9d0 | 2696 | exp_funcbase = pe_as32 (expdata + 28); |
775cabad | 2697 | |
939ba9d0 NC |
2698 | /* Use internal dll name instead of filename |
2699 | to enable symbolic dll linking. */ | |
47639182 | 2700 | dll_name = erva + pe_as32 (expdata + 12); |
939ba9d0 | 2701 | |
a35bc64f NC |
2702 | /* Check to see if the dll has already been added to |
2703 | the definition list and if so return without error. | |
2704 | This avoids multiple symbol definitions. */ | |
2705 | if (def_get_module (pe_def_file, dll_name)) | |
2706 | { | |
2707 | if (pe_dll_extra_pe_debug) | |
2708 | printf ("%s is already loaded\n", dll_name); | |
2709 | return TRUE; | |
2710 | } | |
2711 | ||
939ba9d0 | 2712 | /* Iterate through the list of symbols. */ |
d643799d | 2713 | for (i = 0; i < nexp; i++) |
252b5132 | 2714 | { |
939ba9d0 | 2715 | /* Pointer to the names vector. */ |
d643799d | 2716 | unsigned long name_rva = pe_as32 (erva + name_rvas + i * 4); |
252b5132 | 2717 | def_file_import *imp; |
1579bae1 | 2718 | /* Pointer to the function address vector. */ |
939ba9d0 NC |
2719 | unsigned long func_rva = pe_as32 (erva + exp_funcbase + i * 4); |
2720 | int is_data = 0; | |
2721 | ||
2722 | /* Skip unwanted symbols, which are | |
2723 | exported in buggy auto-import releases. */ | |
0112cd26 | 2724 | if (! CONST_STRNEQ (erva + name_rva, "_nm_")) |
939ba9d0 | 2725 | { |
661a32f7 DS |
2726 | /* is_data is true if the address is in the data, rdata or bss |
2727 | segment. */ | |
939ba9d0 NC |
2728 | is_data = |
2729 | (func_rva >= data_start && func_rva < data_end) | |
661a32f7 | 2730 | || (func_rva >= rdata_start && func_rva < rdata_end) |
939ba9d0 NC |
2731 | || (func_rva >= bss_start && func_rva < bss_end); |
2732 | ||
2733 | imp = def_file_add_import (pe_def_file, erva + name_rva, | |
2734 | dll_name, i, 0); | |
396a2467 | 2735 | /* Mark symbol type. */ |
939ba9d0 | 2736 | imp->data = is_data; |
1579bae1 | 2737 | |
939ba9d0 NC |
2738 | if (pe_dll_extra_pe_debug) |
2739 | printf ("%s dll-name: %s sym: %s addr: 0x%lx %s\n", | |
2740 | __FUNCTION__, dll_name, erva + name_rva, | |
2741 | func_rva, is_data ? "(data)" : ""); | |
2742 | } | |
252b5132 RH |
2743 | } |
2744 | ||
b34976b6 | 2745 | return TRUE; |
252b5132 RH |
2746 | } |
2747 | ||
775cabad NC |
2748 | /* These are the main functions, called from the emulation. The first |
2749 | is called after the bfds are read, so we can guess at how much space | |
2750 | we need. The second is called after everything is placed, so we | |
2751 | can put the right values in place. */ | |
252b5132 RH |
2752 | |
2753 | void | |
1579bae1 | 2754 | pe_dll_build_sections (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 2755 | { |
c6c37250 | 2756 | pe_dll_id_target (bfd_get_target (abfd)); |
252b5132 RH |
2757 | process_def_file (abfd, info); |
2758 | ||
1579bae1 | 2759 | if (pe_def_file->num_exports == 0 && !info->shared) |
2b817be1 NC |
2760 | return; |
2761 | ||
252b5132 | 2762 | generate_edata (abfd, info); |
c6c37250 DD |
2763 | build_filler_bfd (1); |
2764 | } | |
2765 | ||
2766 | void | |
1579bae1 | 2767 | pe_exe_build_sections (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED) |
c6c37250 DD |
2768 | { |
2769 | pe_dll_id_target (bfd_get_target (abfd)); | |
2770 | build_filler_bfd (0); | |
252b5132 RH |
2771 | } |
2772 | ||
2773 | void | |
1579bae1 | 2774 | pe_dll_fill_sections (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 2775 | { |
c6c37250 | 2776 | pe_dll_id_target (bfd_get_target (abfd)); |
252b5132 RH |
2777 | image_base = pe_data (abfd)->pe_opthdr.ImageBase; |
2778 | ||
2779 | generate_reloc (abfd, info); | |
2780 | if (reloc_sz > 0) | |
2781 | { | |
2782 | bfd_set_section_size (filler_bfd, reloc_s, reloc_sz); | |
2783 | ||
2784 | /* Resize the sections. */ | |
38975f9e | 2785 | lang_reset_memory_regions (); |
e9ee469a | 2786 | lang_size_sections (NULL, TRUE); |
252b5132 RH |
2787 | |
2788 | /* Redo special stuff. */ | |
2789 | ldemul_after_allocation (); | |
2790 | ||
2791 | /* Do the assignments again. */ | |
e9ee469a | 2792 | lang_do_assignments (); |
252b5132 RH |
2793 | } |
2794 | ||
2795 | fill_edata (abfd, info); | |
2796 | ||
db8acf26 | 2797 | if (info->shared && !info->pie) |
2b817be1 | 2798 | pe_data (abfd)->dll = 1; |
252b5132 RH |
2799 | |
2800 | edata_s->contents = edata_d; | |
2801 | reloc_s->contents = reloc_d; | |
2802 | } | |
c6c37250 DD |
2803 | |
2804 | void | |
1579bae1 | 2805 | pe_exe_fill_sections (bfd *abfd, struct bfd_link_info *info) |
c6c37250 DD |
2806 | { |
2807 | pe_dll_id_target (bfd_get_target (abfd)); | |
2808 | image_base = pe_data (abfd)->pe_opthdr.ImageBase; | |
2809 | ||
2810 | generate_reloc (abfd, info); | |
2811 | if (reloc_sz > 0) | |
2812 | { | |
2813 | bfd_set_section_size (filler_bfd, reloc_s, reloc_sz); | |
2814 | ||
2815 | /* Resize the sections. */ | |
38975f9e | 2816 | lang_reset_memory_regions (); |
e9ee469a | 2817 | lang_size_sections (NULL, TRUE); |
c6c37250 DD |
2818 | |
2819 | /* Redo special stuff. */ | |
2820 | ldemul_after_allocation (); | |
2821 | ||
2822 | /* Do the assignments again. */ | |
e9ee469a | 2823 | lang_do_assignments (); |
c6c37250 DD |
2824 | } |
2825 | reloc_s->contents = reloc_d; | |
2826 | } |