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252b5132 | 1 | /* Routines to help build PEI-format DLLs (Win32 etc) |
fd67aa11 | 2 | Copyright (C) 1998-2024 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by DJ Delorie <dj@cygnus.com> |
4 | ||
f96b4a7b | 5 | This file is part of the GNU Binutils. |
252b5132 | 6 | |
f96b4a7b | 7 | This program is free software; you can redistribute it and/or modify |
252b5132 | 8 | it under the terms of the GNU General Public License as published by |
f96b4a7b NC |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
252b5132 | 11 | |
f96b4a7b | 12 | This program is distributed in the hope that it will be useful, |
252b5132 RH |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
f96b4a7b NC |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 | 22 | #include "sysdep.h" |
3db64b00 | 23 | #include "bfd.h" |
252b5132 RH |
24 | #include "bfdlink.h" |
25 | #include "libiberty.h" | |
42627821 | 26 | #include "filenames.h" |
3882b010 | 27 | #include "safe-ctype.h" |
1ff6de03 | 28 | #include "ctf-api.h" |
252b5132 RH |
29 | |
30 | #include <time.h> | |
252b5132 RH |
31 | |
32 | #include "ld.h" | |
33 | #include "ldexp.h" | |
34 | #include "ldlang.h" | |
35 | #include "ldwrite.h" | |
36 | #include "ldmisc.h" | |
df2a7313 | 37 | #include <ldgram.h> |
252b5132 | 38 | #include "ldmain.h" |
b71e2778 | 39 | #include "ldfile.h" |
252b5132 RH |
40 | #include "ldemul.h" |
41 | #include "coff/internal.h" | |
42 | #include "../bfd/libcoff.h" | |
43 | #include "deffile.h" | |
99ad8390 | 44 | |
c60b3806 | 45 | #ifdef pe_use_plus |
99ad8390 NC |
46 | |
47 | #define PE_IDATA4_SIZE 8 | |
48 | #define PE_IDATA5_SIZE 8 | |
49 | #include "pep-dll.h" | |
50 | #undef AOUTSZ | |
51 | #define AOUTSZ PEPAOUTSZ | |
52 | #define PEAOUTHDR PEPAOUTHDR | |
53 | ||
54 | #else | |
55 | ||
1069dd8d | 56 | #include "pe-dll.h" |
252b5132 | 57 | |
99ad8390 NC |
58 | #endif |
59 | ||
60 | #ifndef PE_IDATA4_SIZE | |
61 | #define PE_IDATA4_SIZE 4 | |
62 | #endif | |
63 | ||
64 | #ifndef PE_IDATA5_SIZE | |
65 | #define PE_IDATA5_SIZE 4 | |
66 | #endif | |
67 | ||
775cabad NC |
68 | /* This file turns a regular Windows PE image into a DLL. Because of |
69 | the complexity of this operation, it has been broken down into a | |
70 | number of separate modules which are all called by the main function | |
71 | at the end of this file. This function is not re-entrant and is | |
72 | normally only called once, so static variables are used to reduce | |
73 | the number of parameters and return values required. | |
b7a26f91 | 74 | |
99ad8390 | 75 | See also: ld/emultempl/pe.em and ld/emultempl/pep.em. */ |
775cabad NC |
76 | |
77 | /* Auto-import feature by Paul Sokolovsky | |
78 | ||
79 | Quick facts: | |
80 | ||
81 | 1. With this feature on, DLL clients can import variables from DLL | |
82 | without any concern from their side (for example, without any source | |
83 | code modifications). | |
84 | ||
85 | 2. This is done completely in bounds of the PE specification (to be fair, | |
396a2467 | 86 | there's a place where it pokes nose out of, but in practice it works). |
775cabad NC |
87 | So, resulting module can be used with any other PE compiler/linker. |
88 | ||
89 | 3. Auto-import is fully compatible with standard import method and they | |
90 | can be mixed together. | |
91 | ||
92 | 4. Overheads: space: 8 bytes per imported symbol, plus 20 for each | |
93 | reference to it; load time: negligible; virtual/physical memory: should be | |
94 | less than effect of DLL relocation, and I sincerely hope it doesn't affect | |
95 | DLL sharability (too much). | |
96 | ||
97 | Idea | |
98 | ||
99 | The obvious and only way to get rid of dllimport insanity is to make client | |
100 | access variable directly in the DLL, bypassing extra dereference. I.e., | |
396a2467 | 101 | whenever client contains something like |
775cabad NC |
102 | |
103 | mov dll_var,%eax, | |
104 | ||
105 | address of dll_var in the command should be relocated to point into loaded | |
106 | DLL. The aim is to make OS loader do so, and than make ld help with that. | |
107 | Import section of PE made following way: there's a vector of structures | |
108 | each describing imports from particular DLL. Each such structure points | |
396a2467 | 109 | to two other parallel vectors: one holding imported names, and one which |
775cabad NC |
110 | will hold address of corresponding imported name. So, the solution is |
111 | de-vectorize these structures, making import locations be sparse and | |
112 | pointing directly into code. Before continuing, it is worth a note that, | |
113 | while authors strives to make PE act ELF-like, there're some other people | |
114 | make ELF act PE-like: elfvector, ;-) . | |
115 | ||
116 | Implementation | |
117 | ||
118 | For each reference of data symbol to be imported from DLL (to set of which | |
119 | belong symbols with name <sym>, if __imp_<sym> is found in implib), the | |
120 | import fixup entry is generated. That entry is of type | |
53baae48 | 121 | IMAGE_IMPORT_DESCRIPTOR and stored in .idata$2 subsection. Each |
775cabad NC |
122 | fixup entry contains pointer to symbol's address within .text section |
123 | (marked with __fuN_<sym> symbol, where N is integer), pointer to DLL name | |
124 | (so, DLL name is referenced by multiple entries), and pointer to symbol | |
125 | name thunk. Symbol name thunk is singleton vector (__nm_th_<symbol>) | |
126 | pointing to IMAGE_IMPORT_BY_NAME structure (__nm_<symbol>) directly | |
00479ba8 | 127 | containing imported name. Here comes that "on the edge" problem mentioned |
775cabad NC |
128 | above: PE specification rambles that name vector (OriginalFirstThunk) |
129 | should run in parallel with addresses vector (FirstThunk), i.e. that they | |
130 | should have same number of elements and terminated with zero. We violate | |
396a2467 | 131 | this, since FirstThunk points directly into machine code. But in practice, |
370dfff4 | 132 | OS loader implemented the sane way: it goes through OriginalFirstThunk and |
775cabad NC |
133 | puts addresses to FirstThunk, not something else. It once again should be |
134 | noted that dll and symbol name structures are reused across fixup entries | |
135 | and should be there anyway to support standard import stuff, so sustained | |
136 | overhead is 20 bytes per reference. Other question is whether having several | |
137 | IMAGE_IMPORT_DESCRIPTORS for the same DLL is possible. Answer is yes, it is | |
138 | done even by native compiler/linker (libth32's functions are in fact reside | |
139 | in windows9x kernel32.dll, so if you use it, you have two | |
140 | IMAGE_IMPORT_DESCRIPTORS for kernel32.dll). Yet other question is whether | |
141 | referencing the same PE structures several times is valid. The answer is why | |
396a2467 | 142 | not, prohibiting that (detecting violation) would require more work on |
775cabad NC |
143 | behalf of loader than not doing it. |
144 | ||
99ad8390 | 145 | See also: ld/emultempl/pe.em and ld/emultempl/pep.em. */ |
b044cda1 | 146 | |
1579bae1 | 147 | static void add_bfd_to_link (bfd *, const char *, struct bfd_link_info *); |
b044cda1 | 148 | |
775cabad | 149 | /* For emultempl/pe.em. */ |
252b5132 | 150 | |
775cabad | 151 | def_file * pe_def_file = 0; |
252b5132 | 152 | int pe_dll_export_everything = 0; |
2927aaca | 153 | int pe_dll_exclude_all_symbols = 0; |
252b5132 RH |
154 | int pe_dll_do_default_excludes = 1; |
155 | int pe_dll_kill_ats = 0; | |
156 | int pe_dll_stdcall_aliases = 0; | |
870df5dc NC |
157 | int pe_dll_warn_dup_exports = 0; |
158 | int pe_dll_compat_implib = 0; | |
b044cda1 | 159 | int pe_dll_extra_pe_debug = 0; |
ce11ba6c | 160 | int pe_use_nul_prefixed_import_tables = 0; |
88183869 | 161 | int pe_use_coff_long_section_names = -1; |
522f09cd | 162 | int pe_leading_underscore = -1; |
514b4e19 | 163 | int pe_dll_enable_reloc_section = 1; |
252b5132 | 164 | |
775cabad | 165 | /* Static variables and types. */ |
252b5132 RH |
166 | |
167 | static bfd_vma image_base; | |
252b5132 | 168 | static bfd *filler_bfd; |
198beae2 | 169 | static struct bfd_section *edata_s, *reloc_s; |
252b5132 | 170 | static unsigned char *edata_d, *reloc_d; |
f3d8ae90 NC |
171 | static unsigned char *reloc_d = NULL; |
172 | static size_t edata_sz, reloc_sz = 0; | |
2fa9fc65 | 173 | static int runtime_pseudo_relocs_created = 0; |
f38a2680 | 174 | static bool runtime_pseudp_reloc_v2_init = false; |
252b5132 | 175 | |
775cabad | 176 | typedef struct |
5b8273bf | 177 | { |
e916811a | 178 | const char *name; |
5b8273bf NC |
179 | int len; |
180 | } | |
181 | autofilter_entry_type; | |
775cabad NC |
182 | |
183 | typedef struct | |
5b8273bf | 184 | { |
e916811a CF |
185 | const char *target_name; |
186 | const char *object_target; | |
5b8273bf NC |
187 | unsigned int imagebase_reloc; |
188 | int pe_arch; | |
189 | int bfd_arch; | |
f38a2680 | 190 | bool underscored; |
1b610c93 | 191 | const autofilter_entry_type* autofilter_symbollist; |
5b8273bf NC |
192 | } |
193 | pe_details_type; | |
194 | ||
e916811a | 195 | static const autofilter_entry_type autofilter_symbollist_generic[] = |
5b8273bf | 196 | { |
b92216aa | 197 | { STRING_COMMA_LEN ("_NULL_IMPORT_DESCRIPTOR") }, |
5b8273bf | 198 | /* Entry point symbols. */ |
0112cd26 NC |
199 | { STRING_COMMA_LEN ("DllMain") }, |
200 | { STRING_COMMA_LEN ("DllMainCRTStartup") }, | |
201 | { STRING_COMMA_LEN ("_DllMainCRTStartup") }, | |
5b8273bf | 202 | /* Runtime pseudo-reloc. */ |
0112cd26 NC |
203 | { STRING_COMMA_LEN ("_pei386_runtime_relocator") }, |
204 | { STRING_COMMA_LEN ("do_pseudo_reloc") }, | |
db86b2dc | 205 | { NULL, 0 } |
5b8273bf NC |
206 | }; |
207 | ||
e916811a | 208 | static const autofilter_entry_type autofilter_symbollist_i386[] = |
5b8273bf | 209 | { |
b92216aa | 210 | { STRING_COMMA_LEN ("_NULL_IMPORT_DESCRIPTOR") }, |
5b8273bf | 211 | /* Entry point symbols, and entry hooks. */ |
0112cd26 | 212 | { STRING_COMMA_LEN ("cygwin_crt0") }, |
c60b3806 | 213 | #ifdef pe_use_plus |
880383ca NC |
214 | { STRING_COMMA_LEN ("DllMain") }, |
215 | { STRING_COMMA_LEN ("DllEntryPoint") }, | |
216 | { STRING_COMMA_LEN ("DllMainCRTStartup") }, | |
217 | { STRING_COMMA_LEN ("_cygwin_dll_entry") }, | |
218 | { STRING_COMMA_LEN ("_cygwin_crt0_common") }, | |
219 | { STRING_COMMA_LEN ("_cygwin_noncygwin_dll_entry") }, | |
220 | #else | |
0112cd26 NC |
221 | { STRING_COMMA_LEN ("DllMain@12") }, |
222 | { STRING_COMMA_LEN ("DllEntryPoint@0") }, | |
223 | { STRING_COMMA_LEN ("DllMainCRTStartup@12") }, | |
224 | { STRING_COMMA_LEN ("_cygwin_dll_entry@12") }, | |
225 | { STRING_COMMA_LEN ("_cygwin_crt0_common@8") }, | |
226 | { STRING_COMMA_LEN ("_cygwin_noncygwin_dll_entry@12") }, | |
227 | { STRING_COMMA_LEN ("cygwin_attach_dll") }, | |
1b610c93 | 228 | #endif |
0112cd26 NC |
229 | { STRING_COMMA_LEN ("cygwin_premain0") }, |
230 | { STRING_COMMA_LEN ("cygwin_premain1") }, | |
231 | { STRING_COMMA_LEN ("cygwin_premain2") }, | |
232 | { STRING_COMMA_LEN ("cygwin_premain3") }, | |
5b8273bf | 233 | /* Runtime pseudo-reloc. */ |
0112cd26 NC |
234 | { STRING_COMMA_LEN ("_pei386_runtime_relocator") }, |
235 | { STRING_COMMA_LEN ("do_pseudo_reloc") }, | |
5b8273bf | 236 | /* Global vars that should not be exported. */ |
0112cd26 NC |
237 | { STRING_COMMA_LEN ("impure_ptr") }, |
238 | { STRING_COMMA_LEN ("_impure_ptr") }, | |
239 | { STRING_COMMA_LEN ("_fmode") }, | |
240 | { STRING_COMMA_LEN ("environ") }, | |
63e1777c | 241 | { STRING_COMMA_LEN ("__dso_handle") }, |
db86b2dc | 242 | { NULL, 0 } |
5b8273bf | 243 | }; |
b044cda1 | 244 | |
5b8273bf NC |
245 | #define PE_ARCH_i386 1 |
246 | #define PE_ARCH_sh 2 | |
247 | #define PE_ARCH_mips 3 | |
248 | #define PE_ARCH_arm 4 | |
ddb00039 | 249 | #define PE_ARCH_arm_wince 5 |
c60b3806 | 250 | #define PE_ARCH_aarch64 6 |
c6c37250 | 251 | |
522f09cd KT |
252 | /* Don't make it constant as underscore mode gets possibly overriden |
253 | by target or -(no-)leading-underscore option. */ | |
254 | static pe_details_type pe_detail_list[] = | |
775cabad | 255 | { |
c6c37250 | 256 | { |
c60b3806 | 257 | #ifdef pe_use_plus |
99ad8390 NC |
258 | "pei-x86-64", |
259 | "pe-x86-64", | |
260 | 3 /* R_IMAGEBASE */, | |
261 | #else | |
c6c37250 DD |
262 | "pei-i386", |
263 | "pe-i386", | |
264 | 7 /* R_IMAGEBASE */, | |
99ad8390 | 265 | #endif |
c6c37250 DD |
266 | PE_ARCH_i386, |
267 | bfd_arch_i386, | |
c60b3806 | 268 | #ifdef pe_use_plus |
f38a2680 | 269 | false, |
d74720d2 | 270 | #else |
f38a2680 | 271 | true, |
d74720d2 | 272 | #endif |
5b8273bf | 273 | autofilter_symbollist_i386 |
c6c37250 | 274 | }, |
c60b3806 | 275 | #ifdef pe_use_plus |
a6da4630 A |
276 | { |
277 | "pei-x86-64", | |
278 | "pe-bigobj-x86-64", | |
279 | 3 /* R_IMAGEBASE */, | |
280 | PE_ARCH_i386, | |
281 | bfd_arch_i386, | |
f38a2680 | 282 | false, |
a6da4630 A |
283 | autofilter_symbollist_i386 |
284 | }, | |
251dae91 TC |
285 | #else |
286 | { | |
287 | "pei-i386", | |
288 | "pe-bigobj-i386", | |
289 | 7 /* R_IMAGEBASE */, | |
290 | PE_ARCH_i386, | |
291 | bfd_arch_i386, | |
f38a2680 | 292 | true, |
251dae91 TC |
293 | autofilter_symbollist_i386 |
294 | }, | |
a6da4630 | 295 | #endif |
344a211f NC |
296 | { |
297 | "pei-shl", | |
298 | "pe-shl", | |
299 | 16 /* R_SH_IMAGEBASE */, | |
300 | PE_ARCH_sh, | |
301 | bfd_arch_sh, | |
f38a2680 | 302 | true, |
5b8273bf | 303 | autofilter_symbollist_generic |
344a211f NC |
304 | }, |
305 | { | |
306 | "pei-mips", | |
307 | "pe-mips", | |
308 | 34 /* MIPS_R_RVA */, | |
309 | PE_ARCH_mips, | |
310 | bfd_arch_mips, | |
f38a2680 | 311 | false, |
5b8273bf | 312 | autofilter_symbollist_generic |
344a211f NC |
313 | }, |
314 | { | |
315 | "pei-arm-little", | |
316 | "pe-arm-little", | |
317 | 11 /* ARM_RVA32 */, | |
318 | PE_ARCH_arm, | |
319 | bfd_arch_arm, | |
f38a2680 | 320 | true, |
5b8273bf | 321 | autofilter_symbollist_generic |
344a211f | 322 | }, |
7148cc28 NC |
323 | { |
324 | "pei-arm-wince-little", | |
325 | "pe-arm-wince-little", | |
326 | 2, /* ARM_RVA32 on Windows CE, see bfd/coff-arm.c. */ | |
327 | PE_ARCH_arm_wince, | |
328 | bfd_arch_arm, | |
f38a2680 | 329 | false, |
7148cc28 NC |
330 | autofilter_symbollist_generic |
331 | }, | |
c60b3806 JT |
332 | { |
333 | "pei-aarch64-little", | |
334 | "pe-aarch64-little", | |
335 | 2, /* ARM64_RVA32 */ | |
336 | PE_ARCH_aarch64, | |
337 | bfd_arch_aarch64, | |
338 | false, | |
339 | autofilter_symbollist_generic | |
340 | }, | |
f38a2680 | 341 | { NULL, NULL, 0, 0, 0, false, NULL } |
c6c37250 DD |
342 | }; |
343 | ||
e916811a | 344 | static const pe_details_type *pe_details; |
c6c37250 | 345 | |
775cabad | 346 | /* Do not specify library suffix explicitly, to allow for dllized versions. */ |
e916811a | 347 | static const autofilter_entry_type autofilter_liblist[] = |
775cabad | 348 | { |
0112cd26 NC |
349 | { STRING_COMMA_LEN ("libcegcc") }, |
350 | { STRING_COMMA_LEN ("libcygwin") }, | |
351 | { STRING_COMMA_LEN ("libgcc") }, | |
81b07b16 | 352 | { STRING_COMMA_LEN ("libgcc_s") }, |
0112cd26 NC |
353 | { STRING_COMMA_LEN ("libstdc++") }, |
354 | { STRING_COMMA_LEN ("libmingw32") }, | |
355 | { STRING_COMMA_LEN ("libmingwex") }, | |
356 | { STRING_COMMA_LEN ("libg2c") }, | |
357 | { STRING_COMMA_LEN ("libsupc++") }, | |
358 | { STRING_COMMA_LEN ("libobjc") }, | |
359 | { STRING_COMMA_LEN ("libgcj") }, | |
9d9c67b0 MS |
360 | { STRING_COMMA_LEN ("libmsvcrt") }, |
361 | { STRING_COMMA_LEN ("libmsvcrt-os") }, | |
c4a8df19 | 362 | { STRING_COMMA_LEN ("libucrt") }, |
9d9c67b0 | 363 | { STRING_COMMA_LEN ("libucrtbase") }, |
db86b2dc | 364 | { NULL, 0 } |
b044cda1 | 365 | }; |
775cabad | 366 | |
81b07b16 DK |
367 | /* Regardless of the suffix issue mentioned above, we must ensure that |
368 | we do not falsely match on a leading substring, such as when libtool | |
369 | builds libstdc++ as a DLL using libsupc++convenience.a as an intermediate. | |
370 | This routine ensures that the leading part of the name matches and that | |
371 | it is followed by only an optional version suffix and a file extension, | |
372 | returning zero if so or -1 if not. */ | |
373 | static int libnamencmp (const char *libname, const autofilter_entry_type *afptr) | |
374 | { | |
42627821 | 375 | if (filename_ncmp (libname, afptr->name, afptr->len)) |
81b07b16 DK |
376 | return -1; |
377 | ||
378 | libname += afptr->len; | |
379 | ||
380 | /* Be liberal in interpreting what counts as a version suffix; we | |
381 | accept anything that has a dash to separate it from the name and | |
382 | begins with a digit. */ | |
383 | if (libname[0] == '-') | |
384 | { | |
385 | if (!ISDIGIT (*++libname)) | |
386 | return -1; | |
387 | /* Ensure the filename has an extension. */ | |
388 | while (*++libname != '.') | |
389 | if (!*libname) | |
390 | return -1; | |
391 | } | |
392 | else if (libname[0] != '.') | |
393 | return -1; | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
e916811a | 398 | static const autofilter_entry_type autofilter_objlist[] = |
775cabad | 399 | { |
0112cd26 NC |
400 | { STRING_COMMA_LEN ("crt0.o") }, |
401 | { STRING_COMMA_LEN ("crt1.o") }, | |
402 | { STRING_COMMA_LEN ("crt2.o") }, | |
403 | { STRING_COMMA_LEN ("dllcrt1.o") }, | |
404 | { STRING_COMMA_LEN ("dllcrt2.o") }, | |
405 | { STRING_COMMA_LEN ("gcrt0.o") }, | |
406 | { STRING_COMMA_LEN ("gcrt1.o") }, | |
407 | { STRING_COMMA_LEN ("gcrt2.o") }, | |
408 | { STRING_COMMA_LEN ("crtbegin.o") }, | |
409 | { STRING_COMMA_LEN ("crtend.o") }, | |
db86b2dc | 410 | { NULL, 0 } |
b044cda1 | 411 | }; |
775cabad | 412 | |
e916811a | 413 | static const autofilter_entry_type autofilter_symbolprefixlist[] = |
775cabad | 414 | { |
00479ba8 NC |
415 | /* _imp_ is treated specially, as it is always underscored. */ |
416 | /* { STRING_COMMA_LEN ("_imp_") }, */ | |
417 | /* Don't export some c++ symbols. */ | |
0112cd26 | 418 | { STRING_COMMA_LEN ("__rtti_") }, |
00479ba8 | 419 | { STRING_COMMA_LEN ("__builtin_") }, |
39cebe23 | 420 | /* Don't re-export auto-imported symbols. */ |
17f73277 | 421 | { STRING_COMMA_LEN ("__nm_") }, |
775cabad | 422 | /* Don't export symbols specifying internal DLL layout. */ |
0112cd26 | 423 | { STRING_COMMA_LEN ("_head_") }, |
b92216aa DS |
424 | { STRING_COMMA_LEN ("_IMPORT_DESCRIPTOR_") }, |
425 | /* Don't export section labels or artificial symbols | |
426 | (eg ".weak.foo". */ | |
427 | { STRING_COMMA_LEN (".") }, | |
db86b2dc | 428 | { NULL, 0 } |
b044cda1 | 429 | }; |
775cabad | 430 | |
e916811a | 431 | static const autofilter_entry_type autofilter_symbolsuffixlist[] = |
775cabad | 432 | { |
0112cd26 | 433 | { STRING_COMMA_LEN ("_iname") }, |
b92216aa | 434 | { STRING_COMMA_LEN ("_NULL_THUNK_DATA") }, |
db86b2dc | 435 | { NULL, 0 } |
b044cda1 CW |
436 | }; |
437 | ||
c6c37250 DD |
438 | #define U(str) (pe_details->underscored ? "_" str : str) |
439 | ||
440 | void | |
1579bae1 | 441 | pe_dll_id_target (const char *target) |
c6c37250 DD |
442 | { |
443 | int i; | |
775cabad | 444 | |
d643799d | 445 | for (i = 0; pe_detail_list[i].target_name; i++) |
9d68bc82 DD |
446 | if (strcmp (pe_detail_list[i].target_name, target) == 0 |
447 | || strcmp (pe_detail_list[i].object_target, target) == 0) | |
c6c37250 | 448 | { |
522f09cd KT |
449 | int u = pe_leading_underscore; /* Underscoring mode. -1 for use default. */ |
450 | if (u == -1) | |
451 | bfd_get_target_info (target, NULL, NULL, &u, NULL); | |
d74720d2 KT |
452 | if (u == -1) |
453 | abort (); | |
63b4cc53 | 454 | pe_detail_list[i].underscored = u != 0; |
d643799d | 455 | pe_details = pe_detail_list + i; |
d74720d2 | 456 | pe_leading_underscore = (u != 0 ? 1 : 0); |
c6c37250 DD |
457 | return; |
458 | } | |
df5f2391 | 459 | einfo (_("%X%P: unsupported PEI architecture: %s\n"), target); |
c6c37250 DD |
460 | exit (1); |
461 | } | |
462 | ||
b7a26f91 | 463 | /* Helper functions for qsort. Relocs must be sorted so that we can write |
775cabad | 464 | them out by pages. */ |
252b5132 | 465 | |
775cabad NC |
466 | typedef struct |
467 | { | |
468 | bfd_vma vma; | |
469 | char type; | |
470 | short extra; | |
08dec09d | 471 | int idx; |
775cabad NC |
472 | } |
473 | reloc_data_type; | |
c6c37250 | 474 | |
252b5132 | 475 | static int |
1579bae1 | 476 | reloc_sort (const void *va, const void *vb) |
252b5132 | 477 | { |
08dec09d AM |
478 | const reloc_data_type *a = (const reloc_data_type *) va; |
479 | const reloc_data_type *b = (const reloc_data_type *) vb; | |
775cabad | 480 | |
08dec09d AM |
481 | if (a->vma > b->vma) |
482 | return 1; | |
483 | if (a->vma < b->vma) | |
484 | return -1; | |
485 | if (a->idx > b->idx) | |
486 | return 1; | |
487 | if (a->idx < b->idx) | |
488 | return -1; | |
489 | return 0; | |
252b5132 RH |
490 | } |
491 | ||
492 | static int | |
1579bae1 | 493 | pe_export_sort (const void *va, const void *vb) |
252b5132 | 494 | { |
1579bae1 AM |
495 | const def_file_export *a = va; |
496 | const def_file_export *b = vb; | |
7fcab871 KT |
497 | char *an = a->name; |
498 | char *bn = b->name; | |
499 | if (a->its_name) | |
500 | an = a->its_name; | |
501 | if (b->its_name) | |
502 | bn = b->its_name; | |
503 | ||
504 | return strcmp (an, bn); | |
252b5132 RH |
505 | } |
506 | ||
775cabad | 507 | /* Read and process the .DEF file. */ |
252b5132 RH |
508 | |
509 | /* These correspond to the entries in pe_def_file->exports[]. I use | |
510 | exported_symbol_sections[i] to tag whether or not the symbol was | |
5cc18311 | 511 | defined, since we can't export symbols we don't have. */ |
252b5132 RH |
512 | |
513 | static bfd_vma *exported_symbol_offsets; | |
198beae2 | 514 | static struct bfd_section **exported_symbol_sections; |
252b5132 RH |
515 | static int export_table_size; |
516 | static int count_exported; | |
517 | static int count_exported_byname; | |
518 | static int count_with_ordinals; | |
678dc756 | 519 | static const char *dll_filename; |
252b5132 RH |
520 | static int min_ordinal, max_ordinal; |
521 | static int *exported_symbols; | |
522 | ||
775cabad NC |
523 | typedef struct exclude_list_struct |
524 | { | |
525 | char *string; | |
526 | struct exclude_list_struct *next; | |
e1c37eb5 | 527 | exclude_type type; |
775cabad NC |
528 | } |
529 | exclude_list_struct; | |
86b1cc60 | 530 | |
252b5132 RH |
531 | static struct exclude_list_struct *excludes = 0; |
532 | ||
533 | void | |
e1c37eb5 | 534 | pe_dll_add_excludes (const char *new_excludes, const exclude_type type) |
252b5132 RH |
535 | { |
536 | char *local_copy; | |
537 | char *exclude_string; | |
538 | ||
539 | local_copy = xstrdup (new_excludes); | |
540 | ||
541 | exclude_string = strtok (local_copy, ",:"); | |
542 | for (; exclude_string; exclude_string = strtok (NULL, ",:")) | |
543 | { | |
544 | struct exclude_list_struct *new_exclude; | |
545 | ||
1579bae1 AM |
546 | new_exclude = xmalloc (sizeof (struct exclude_list_struct)); |
547 | new_exclude->string = xmalloc (strlen (exclude_string) + 1); | |
252b5132 | 548 | strcpy (new_exclude->string, exclude_string); |
70b0be79 | 549 | new_exclude->type = type; |
252b5132 RH |
550 | new_exclude->next = excludes; |
551 | excludes = new_exclude; | |
552 | } | |
553 | ||
554 | free (local_copy); | |
555 | } | |
556 | ||
f38a2680 | 557 | static bool |
00479ba8 NC |
558 | is_import (const char* n) |
559 | { | |
08dedd66 | 560 | return (startswith (n, "__imp_")); |
00479ba8 | 561 | } |
70b0be79 | 562 | |
775cabad NC |
563 | /* abfd is a bfd containing n (or NULL) |
564 | It can be used for contextual checks. */ | |
565 | ||
252b5132 | 566 | static int |
1579bae1 | 567 | auto_export (bfd *abfd, def_file *d, const char *n) |
252b5132 | 568 | { |
98872a7c | 569 | def_file_export key; |
252b5132 | 570 | struct exclude_list_struct *ex; |
e916811a | 571 | const autofilter_entry_type *afptr; |
98872a7c NC |
572 | const char * libname = NULL; |
573 | ||
70b0be79 | 574 | if (abfd && abfd->my_archive) |
607b4833 | 575 | libname = lbasename (bfd_get_filename (abfd->my_archive)); |
b044cda1 | 576 | |
98872a7c NC |
577 | key.name = key.its_name = (char *) n; |
578 | ||
579 | /* Return false if n is in the d->exports table. */ | |
aaf9875e AM |
580 | if (d->num_exports != 0 |
581 | && bsearch (&key, d->exports, d->num_exports, | |
582 | sizeof (pe_def_file->exports[0]), pe_export_sort)) | |
98872a7c | 583 | return 0; |
775cabad | 584 | |
252b5132 RH |
585 | if (pe_dll_do_default_excludes) |
586 | { | |
663dd378 | 587 | const char * p; |
775cabad NC |
588 | int len; |
589 | ||
b044cda1 | 590 | if (pe_dll_extra_pe_debug) |
775cabad NC |
591 | printf ("considering exporting: %s, abfd=%p, abfd->my_arc=%p\n", |
592 | n, abfd, abfd->my_archive); | |
b044cda1 CW |
593 | |
594 | /* First of all, make context checks: | |
1579bae1 | 595 | Don't export anything from standard libs. */ |
658957db | 596 | if (libname) |
b044cda1 CW |
597 | { |
598 | afptr = autofilter_liblist; | |
775cabad | 599 | |
b044cda1 CW |
600 | while (afptr->name) |
601 | { | |
81b07b16 | 602 | if (libnamencmp (libname, afptr) == 0 ) |
b044cda1 CW |
603 | return 0; |
604 | afptr++; | |
605 | } | |
606 | } | |
607 | ||
775cabad | 608 | /* Next, exclude symbols from certain startup objects. */ |
775cabad | 609 | |
607b4833 | 610 | if (abfd && (p = lbasename (bfd_get_filename (abfd)))) |
663dd378 | 611 | { |
b7a26f91 KH |
612 | afptr = autofilter_objlist; |
613 | while (afptr->name) | |
59d28a94 | 614 | { |
b7a26f91 KH |
615 | if (strcmp (p, afptr->name) == 0) |
616 | return 0; | |
59d28a94 | 617 | afptr++; |
663dd378 | 618 | } |
775cabad | 619 | } |
b044cda1 CW |
620 | |
621 | /* Don't try to blindly exclude all symbols | |
622 | that begin with '__'; this was tried and | |
5b8273bf NC |
623 | it is too restrictive. Instead we have |
624 | a target specific list to use: */ | |
1b610c93 | 625 | afptr = pe_details->autofilter_symbollist; |
99ad8390 | 626 | |
b044cda1 CW |
627 | while (afptr->name) |
628 | { | |
629 | if (strcmp (n, afptr->name) == 0) | |
630 | return 0; | |
775cabad | 631 | |
b7a26f91 | 632 | afptr++; |
b044cda1 CW |
633 | } |
634 | ||
775cabad | 635 | /* Next, exclude symbols starting with ... */ |
b044cda1 CW |
636 | afptr = autofilter_symbolprefixlist; |
637 | while (afptr->name) | |
638 | { | |
639 | if (strncmp (n, afptr->name, afptr->len) == 0) | |
640 | return 0; | |
775cabad | 641 | |
b7a26f91 | 642 | afptr++; |
b044cda1 CW |
643 | } |
644 | ||
775cabad NC |
645 | /* Finally, exclude symbols ending with ... */ |
646 | len = strlen (n); | |
647 | afptr = autofilter_symbolsuffixlist; | |
648 | while (afptr->name) | |
649 | { | |
b7a26f91 | 650 | if ((len >= afptr->len) |
775cabad | 651 | /* Add 1 to insure match with trailing '\0'. */ |
b7a26f91 KH |
652 | && strncmp (n + len - afptr->len, afptr->name, |
653 | afptr->len + 1) == 0) | |
775cabad NC |
654 | return 0; |
655 | ||
b7a26f91 | 656 | afptr++; |
775cabad | 657 | } |
252b5132 | 658 | } |
775cabad | 659 | |
252b5132 | 660 | for (ex = excludes; ex; ex = ex->next) |
70b0be79 | 661 | { |
e1c37eb5 | 662 | if (ex->type == EXCLUDELIBS) |
70b0be79 CF |
663 | { |
664 | if (libname | |
42627821 | 665 | && ((filename_cmp (libname, ex->string) == 0) |
70b0be79 CF |
666 | || (strcasecmp ("ALL", ex->string) == 0))) |
667 | return 0; | |
668 | } | |
e1c37eb5 DK |
669 | else if (ex->type == EXCLUDEFORIMPLIB) |
670 | { | |
607b4833 | 671 | if (filename_cmp (bfd_get_filename (abfd), ex->string) == 0) |
e1c37eb5 DK |
672 | return 0; |
673 | } | |
70b0be79 | 674 | else if (strcmp (n, ex->string) == 0) |
658957db | 675 | return 0; |
70b0be79 | 676 | } |
775cabad | 677 | |
252b5132 RH |
678 | return 1; |
679 | } | |
680 | ||
681 | static void | |
c1711530 | 682 | process_def_file_and_drectve (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info) |
252b5132 RH |
683 | { |
684 | int i, j; | |
a33a94cf | 685 | unsigned int ui; |
252b5132 RH |
686 | struct bfd_link_hash_entry *blhe; |
687 | bfd *b; | |
198beae2 | 688 | struct bfd_section *s; |
d643799d | 689 | def_file_export *e = 0; |
f38a2680 | 690 | bool resort_needed; |
252b5132 RH |
691 | |
692 | if (!pe_def_file) | |
693 | pe_def_file = def_file_empty (); | |
694 | ||
695 | /* First, run around to all the objects looking for the .drectve | |
86b1cc60 | 696 | sections, and push those into the def file too. */ |
c72f2fb2 | 697 | for (b = info->input_bfds; b; b = b->link.next) |
252b5132 RH |
698 | { |
699 | s = bfd_get_section_by_name (b, ".drectve"); | |
700 | if (s) | |
701 | { | |
eea6121a | 702 | long size = s->size; |
252b5132 | 703 | char *buf = xmalloc (size); |
775cabad | 704 | |
252b5132 RH |
705 | bfd_get_section_contents (b, s, buf, 0, size); |
706 | def_file_add_directive (pe_def_file, buf, size); | |
707 | free (buf); | |
708 | } | |
709 | } | |
710 | ||
c1711530 DK |
711 | /* Process aligned common symbol information from the |
712 | .drectve sections now; common symbol allocation is | |
713 | done before final link, so it will be too late to | |
714 | process them in process_embedded_commands() called | |
715 | from _bfd_coff_link_input_bfd(). */ | |
716 | if (pe_def_file->aligncomms) | |
717 | { | |
718 | def_file_aligncomm *ac = pe_def_file->aligncomms; | |
719 | while (ac) | |
720 | { | |
721 | struct coff_link_hash_entry *sym_hash; | |
722 | sym_hash = coff_link_hash_lookup (coff_hash_table (info), | |
f38a2680 | 723 | ac->symbol_name, false, false, false); |
c1711530 | 724 | if (sym_hash && sym_hash->root.type == bfd_link_hash_common |
6c19b93b | 725 | && sym_hash->root.u.c.p->alignment_power < (unsigned) ac->alignment) |
c1711530 DK |
726 | { |
727 | sym_hash->root.u.c.p->alignment_power = (unsigned) ac->alignment; | |
728 | } | |
729 | ac = ac->next; | |
730 | } | |
731 | } | |
732 | ||
37513c1e MS |
733 | if (pe_def_file->exclude_symbols) |
734 | { | |
a33a94cf | 735 | for (ui = 0; ui < pe_def_file->num_exclude_symbols; ui++) |
37513c1e | 736 | { |
a33a94cf MS |
737 | pe_dll_add_excludes (pe_def_file->exclude_symbols[ui].symbol_name, |
738 | EXCLUDESYMS); | |
37513c1e MS |
739 | } |
740 | } | |
741 | ||
2927aaca NC |
742 | /* If we are building an executable and there is nothing |
743 | to export, we do not build an export table at all. */ | |
0e1862bb | 744 | if (bfd_link_executable (info) && pe_def_file->num_exports == 0 |
2927aaca | 745 | && (!pe_dll_export_everything || pe_dll_exclude_all_symbols)) |
2b817be1 NC |
746 | return; |
747 | ||
86b1cc60 | 748 | /* Now, maybe export everything else the default way. */ |
2927aaca NC |
749 | if ((pe_dll_export_everything || pe_def_file->num_exports == 0) |
750 | && !pe_dll_exclude_all_symbols) | |
252b5132 | 751 | { |
c72f2fb2 | 752 | for (b = info->input_bfds; b; b = b->link.next) |
252b5132 RH |
753 | { |
754 | asymbol **symbols; | |
5c1d2f5f | 755 | int nsyms; |
252b5132 | 756 | |
5c1d2f5f AM |
757 | if (!bfd_generic_link_read_symbols (b)) |
758 | { | |
df5f2391 | 759 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), b); |
5c1d2f5f AM |
760 | return; |
761 | } | |
762 | ||
763 | symbols = bfd_get_outsymbols (b); | |
764 | nsyms = bfd_get_symcount (b); | |
252b5132 RH |
765 | |
766 | for (j = 0; j < nsyms; j++) | |
767 | { | |
d643799d | 768 | /* We should export symbols which are either global or not |
1579bae1 AM |
769 | anything at all. (.bss data is the latter) |
770 | We should not export undefined symbols. */ | |
f38a2680 | 771 | bool would_export |
45dfa85a AM |
772 | = (symbols[j]->section != bfd_und_section_ptr |
773 | && ((symbols[j]->flags & BSF_GLOBAL) | |
774 | || (symbols[j]->flags == 0))); | |
fd91d419 | 775 | if (link_info.version_info && would_export) |
6c19b93b AM |
776 | would_export |
777 | = !bfd_hide_sym_by_version (link_info.version_info, | |
778 | symbols[j]->name); | |
09e2aba4 | 779 | if (would_export) |
252b5132 RH |
780 | { |
781 | const char *sn = symbols[j]->name; | |
b044cda1 | 782 | |
775cabad | 783 | /* We should not re-export imported stuff. */ |
b044cda1 | 784 | { |
e916811a | 785 | char *name; |
00479ba8 | 786 | if (is_import (sn)) |
6c19b93b | 787 | continue; |
00479ba8 | 788 | |
e916811a | 789 | name = xmalloc (strlen ("__imp_") + strlen (sn) + 1); |
00479ba8 | 790 | sprintf (name, "%s%s", "__imp_", sn); |
775cabad | 791 | |
b044cda1 | 792 | blhe = bfd_link_hash_lookup (info->hash, name, |
f38a2680 | 793 | false, false, false); |
b044cda1 CW |
794 | free (name); |
795 | ||
b7a26f91 | 796 | if (blhe && blhe->type == bfd_link_hash_defined) |
b044cda1 CW |
797 | continue; |
798 | } | |
799 | ||
00479ba8 | 800 | if (pe_details->underscored && *sn == '_') |
252b5132 | 801 | sn++; |
775cabad | 802 | |
b044cda1 CW |
803 | if (auto_export (b, pe_def_file, sn)) |
804 | { | |
825a844f | 805 | bool is_dup = false; |
b044cda1 | 806 | def_file_export *p; |
98872a7c | 807 | |
db17156e KT |
808 | p = def_file_add_export (pe_def_file, sn, 0, -1, |
809 | NULL, &is_dup); | |
775cabad | 810 | /* Fill data flag properly, from dlltool.c. */ |
db17156e | 811 | if (!is_dup) |
6c19b93b | 812 | p->flag_data = !(symbols[j]->flags & BSF_FUNCTION); |
b044cda1 | 813 | } |
252b5132 RH |
814 | } |
815 | } | |
816 | } | |
817 | } | |
818 | ||
819 | #undef NE | |
820 | #define NE pe_def_file->num_exports | |
821 | ||
177b81d6 DK |
822 | /* Don't create an empty export table. */ |
823 | if (NE == 0) | |
824 | return; | |
825 | ||
f38a2680 | 826 | resort_needed = false; |
98872a7c | 827 | |
86b1cc60 | 828 | /* Canonicalize the export list. */ |
252b5132 RH |
829 | if (pe_dll_kill_ats) |
830 | { | |
831 | for (i = 0; i < NE; i++) | |
832 | { | |
31fd86f1 KT |
833 | /* Check for fastcall/stdcall-decoration, but ignore |
834 | C++ mangled names. */ | |
835 | if (pe_def_file->exports[i].name[0] != '?' | |
836 | && strchr (pe_def_file->exports[i].name, '@')) | |
252b5132 | 837 | { |
86b1cc60 | 838 | /* This will preserve internal_name, which may have been |
1579bae1 AM |
839 | pointing to the same memory as name, or might not |
840 | have. */ | |
841 | int lead_at = (*pe_def_file->exports[i].name == '@'); | |
c9e38879 | 842 | char *tmp = xstrdup (pe_def_file->exports[i].name + lead_at); |
31fd86f1 | 843 | char *tmp_at = strrchr (tmp, '@'); |
775cabad | 844 | |
a8d701fd | 845 | if (tmp_at) |
6c19b93b | 846 | *tmp_at = 0; |
a8d701fd | 847 | else |
df5f2391 | 848 | einfo (_("%X%P: cannot export %s: invalid export name\n"), |
a8d701fd | 849 | pe_def_file->exports[i].name); |
252b5132 | 850 | pe_def_file->exports[i].name = tmp; |
f38a2680 | 851 | resort_needed = true; |
252b5132 RH |
852 | } |
853 | } | |
854 | } | |
855 | ||
98872a7c NC |
856 | /* Re-sort the exports table as we have possibly changed the order |
857 | by removing leading @. */ | |
858 | if (resort_needed) | |
859 | qsort (pe_def_file->exports, NE, sizeof (pe_def_file->exports[0]), | |
6c19b93b | 860 | pe_export_sort); |
98872a7c | 861 | |
252b5132 RH |
862 | if (pe_dll_stdcall_aliases) |
863 | { | |
864 | for (i = 0; i < NE; i++) | |
865 | { | |
00479ba8 NC |
866 | if (is_import (pe_def_file->exports[i].name)) |
867 | continue; | |
868 | ||
252b5132 RH |
869 | if (strchr (pe_def_file->exports[i].name, '@')) |
870 | { | |
825a844f | 871 | bool is_dup = true; |
1579bae1 | 872 | int lead_at = (*pe_def_file->exports[i].name == '@'); |
c9e38879 | 873 | char *tmp = xstrdup (pe_def_file->exports[i].name + lead_at); |
775cabad | 874 | |
252b5132 | 875 | *(strchr (tmp, '@')) = 0; |
b044cda1 | 876 | if (auto_export (NULL, pe_def_file, tmp)) |
252b5132 | 877 | def_file_add_export (pe_def_file, tmp, |
b044cda1 | 878 | pe_def_file->exports[i].internal_name, |
db17156e KT |
879 | -1, NULL, &is_dup); |
880 | if (is_dup) | |
6c19b93b | 881 | free (tmp); |
252b5132 RH |
882 | } |
883 | } | |
884 | } | |
885 | ||
86b1cc60 KH |
886 | /* Convenience, but watch out for it changing. */ |
887 | e = pe_def_file->exports; | |
252b5132 | 888 | |
252b5132 RH |
889 | for (i = 0, j = 0; i < NE; i++) |
890 | { | |
891 | if (i > 0 && strcmp (e[i].name, e[i - 1].name) == 0) | |
892 | { | |
870df5dc | 893 | /* This is a duplicate. */ |
252b5132 RH |
894 | if (e[j - 1].ordinal != -1 |
895 | && e[i].ordinal != -1 | |
896 | && e[j - 1].ordinal != e[i].ordinal) | |
897 | { | |
870df5dc NC |
898 | if (pe_dll_warn_dup_exports) |
899 | /* xgettext:c-format */ | |
df5f2391 | 900 | einfo (_("%X%P: error, duplicate EXPORT with ordinals: %s (%d vs %d)\n"), |
870df5dc | 901 | e[j - 1].name, e[j - 1].ordinal, e[i].ordinal); |
252b5132 RH |
902 | } |
903 | else | |
904 | { | |
870df5dc NC |
905 | if (pe_dll_warn_dup_exports) |
906 | /* xgettext:c-format */ | |
df5f2391 | 907 | einfo (_("%P: warning, duplicate EXPORT: %s\n"), |
870df5dc | 908 | e[j - 1].name); |
252b5132 | 909 | } |
775cabad | 910 | |
486e80e2 | 911 | if (e[i].ordinal != -1) |
252b5132 RH |
912 | e[j - 1].ordinal = e[i].ordinal; |
913 | e[j - 1].flag_private |= e[i].flag_private; | |
914 | e[j - 1].flag_constant |= e[i].flag_constant; | |
915 | e[j - 1].flag_noname |= e[i].flag_noname; | |
916 | e[j - 1].flag_data |= e[i].flag_data; | |
5e2ab612 AM |
917 | free (e[i].name); |
918 | free (e[i].internal_name); | |
919 | free (e[i].its_name); | |
252b5132 RH |
920 | } |
921 | else | |
922 | { | |
923 | if (i != j) | |
924 | e[j] = e[i]; | |
925 | j++; | |
926 | } | |
927 | } | |
928 | pe_def_file->num_exports = j; /* == NE */ | |
929 | ||
6e230cc2 KT |
930 | exported_symbol_offsets = xmalloc (NE * sizeof (bfd_vma)); |
931 | exported_symbol_sections = xmalloc (NE * sizeof (struct bfd_section *)); | |
932 | ||
933 | memset (exported_symbol_sections, 0, NE * sizeof (struct bfd_section *)); | |
934 | max_ordinal = 0; | |
935 | min_ordinal = 65536; | |
936 | count_exported = 0; | |
937 | count_exported_byname = 0; | |
938 | count_with_ordinals = 0; | |
939 | ||
252b5132 RH |
940 | for (i = 0; i < NE; i++) |
941 | { | |
e1fa0163 | 942 | char *int_name = pe_def_file->exports[i].internal_name; |
1579bae1 | 943 | char *name; |
41f46ed9 | 944 | |
4153b6db NC |
945 | /* PR 19803: Make sure that any exported symbol does not get garbage collected. */ |
946 | lang_add_gc_name (int_name); | |
947 | ||
e1fa0163 NC |
948 | name = xmalloc (strlen (int_name) + 2); |
949 | if (pe_details->underscored && int_name[0] != '@') | |
c6c37250 DD |
950 | { |
951 | *name = '_'; | |
e1fa0163 | 952 | strcpy (name + 1, int_name); |
67f101ee NC |
953 | |
954 | /* PR 19803: The alias must be preserved as well. */ | |
955 | lang_add_gc_name (xstrdup (name)); | |
c6c37250 DD |
956 | } |
957 | else | |
e1fa0163 | 958 | strcpy (name, int_name); |
252b5132 RH |
959 | |
960 | blhe = bfd_link_hash_lookup (info->hash, | |
961 | name, | |
f38a2680 | 962 | false, false, true); |
252b5132 | 963 | |
8a5b676c | 964 | if (blhe |
d643799d | 965 | && (blhe->type == bfd_link_hash_defined |
8a5b676c | 966 | || (blhe->type == bfd_link_hash_common))) |
252b5132 RH |
967 | { |
968 | count_exported++; | |
969 | if (!pe_def_file->exports[i].flag_noname) | |
970 | count_exported_byname++; | |
8a5b676c DD |
971 | |
972 | /* Only fill in the sections. The actual offsets are computed | |
973 | in fill_exported_offsets() after common symbols are laid | |
974 | out. */ | |
d643799d | 975 | if (blhe->type == bfd_link_hash_defined) |
8a5b676c DD |
976 | exported_symbol_sections[i] = blhe->u.def.section; |
977 | else | |
978 | exported_symbol_sections[i] = blhe->u.c.p->section; | |
5cc18311 | 979 | |
75898d57 DK |
980 | if (pe_def_file->exports[i].ordinal != -1) |
981 | { | |
982 | if (max_ordinal < pe_def_file->exports[i].ordinal) | |
983 | max_ordinal = pe_def_file->exports[i].ordinal; | |
984 | if (min_ordinal > pe_def_file->exports[i].ordinal) | |
985 | min_ordinal = pe_def_file->exports[i].ordinal; | |
986 | count_with_ordinals++; | |
987 | } | |
988 | } | |
989 | /* Check for forward exports. These are indicated in DEF files by an | |
6c19b93b | 990 | export directive of the form NAME1 = MODULE-NAME.EXTERNAL-NAME |
75898d57 DK |
991 | but we must take care not to be fooled when the user wants to export |
992 | a symbol that actually really has a dot in it, so we only check | |
993 | for them here, after real defined symbols have already been matched. */ | |
e1fa0163 | 994 | else if (strchr (int_name, '.')) |
75898d57 DK |
995 | { |
996 | count_exported++; | |
997 | if (!pe_def_file->exports[i].flag_noname) | |
998 | count_exported_byname++; | |
999 | ||
1000 | pe_def_file->exports[i].flag_forward = 1; | |
1001 | ||
252b5132 RH |
1002 | if (pe_def_file->exports[i].ordinal != -1) |
1003 | { | |
1004 | if (max_ordinal < pe_def_file->exports[i].ordinal) | |
1005 | max_ordinal = pe_def_file->exports[i].ordinal; | |
1006 | if (min_ordinal > pe_def_file->exports[i].ordinal) | |
1007 | min_ordinal = pe_def_file->exports[i].ordinal; | |
1008 | count_with_ordinals++; | |
1009 | } | |
1010 | } | |
1011 | else if (blhe && blhe->type == bfd_link_hash_undefined) | |
1012 | { | |
1013 | /* xgettext:c-format */ | |
df5f2391 | 1014 | einfo (_("%X%P: cannot export %s: symbol not defined\n"), |
e1fa0163 | 1015 | int_name); |
252b5132 RH |
1016 | } |
1017 | else if (blhe) | |
1018 | { | |
1019 | /* xgettext:c-format */ | |
df5f2391 | 1020 | einfo (_("%X%P: cannot export %s: symbol wrong type (%d vs %d)\n"), |
e1fa0163 | 1021 | int_name, |
252b5132 RH |
1022 | blhe->type, bfd_link_hash_defined); |
1023 | } | |
1024 | else | |
1025 | { | |
1026 | /* xgettext:c-format */ | |
df5f2391 | 1027 | einfo (_("%X%P: cannot export %s: symbol not found\n"), |
e1fa0163 | 1028 | int_name); |
252b5132 RH |
1029 | } |
1030 | free (name); | |
1031 | } | |
1032 | } | |
1033 | ||
775cabad | 1034 | /* Build the bfd that will contain .edata and .reloc sections. */ |
252b5132 RH |
1035 | |
1036 | static void | |
f3d8ae90 | 1037 | build_filler_bfd (bool include_edata) |
252b5132 RH |
1038 | { |
1039 | lang_input_statement_type *filler_file; | |
f3d8ae90 | 1040 | |
252b5132 RH |
1041 | filler_file = lang_add_input_file ("dll stuff", |
1042 | lang_input_file_is_fake_enum, | |
1043 | NULL); | |
f13a99db AM |
1044 | filler_file->the_bfd = filler_bfd = bfd_create ("dll stuff", |
1045 | link_info.output_bfd); | |
252b5132 RH |
1046 | if (filler_bfd == NULL |
1047 | || !bfd_set_arch_mach (filler_bfd, | |
f13a99db AM |
1048 | bfd_get_arch (link_info.output_bfd), |
1049 | bfd_get_mach (link_info.output_bfd))) | |
252b5132 | 1050 | { |
df5f2391 | 1051 | einfo (_("%F%P: can not create BFD: %E\n")); |
252b5132 RH |
1052 | return; |
1053 | } | |
1054 | ||
c6c37250 | 1055 | if (include_edata) |
252b5132 | 1056 | { |
c6c37250 DD |
1057 | edata_s = bfd_make_section_old_way (filler_bfd, ".edata"); |
1058 | if (edata_s == NULL | |
fd361982 AM |
1059 | || !bfd_set_section_flags (edata_s, (SEC_HAS_CONTENTS |
1060 | | SEC_ALLOC | |
1061 | | SEC_LOAD | |
1062 | | SEC_KEEP | |
1063 | | SEC_IN_MEMORY))) | |
c6c37250 | 1064 | { |
d003af55 | 1065 | einfo (_("%X%P: can not create .edata section: %E\n")); |
c6c37250 DD |
1066 | return; |
1067 | } | |
fd361982 | 1068 | bfd_set_section_size (edata_s, edata_sz); |
252b5132 | 1069 | } |
252b5132 RH |
1070 | |
1071 | reloc_s = bfd_make_section_old_way (filler_bfd, ".reloc"); | |
1072 | if (reloc_s == NULL | |
fd361982 AM |
1073 | || !bfd_set_section_flags (reloc_s, (SEC_HAS_CONTENTS |
1074 | | SEC_ALLOC | |
1075 | | SEC_LOAD | |
1076 | | SEC_KEEP | |
1077 | | SEC_IN_MEMORY))) | |
252b5132 | 1078 | { |
d003af55 | 1079 | einfo (_("%X%P: can not create .reloc section: %E\n")); |
252b5132 RH |
1080 | return; |
1081 | } | |
775cabad | 1082 | |
fd361982 | 1083 | bfd_set_section_size (reloc_s, 0); |
252b5132 RH |
1084 | |
1085 | ldlang_add_file (filler_file); | |
1086 | } | |
1087 | ||
775cabad | 1088 | /* Gather all the exported symbols and build the .edata section. */ |
252b5132 RH |
1089 | |
1090 | static void | |
678dc756 | 1091 | generate_edata (void) |
252b5132 RH |
1092 | { |
1093 | int i, next_ordinal; | |
1094 | int name_table_size = 0; | |
252b5132 RH |
1095 | |
1096 | /* First, we need to know how many exported symbols there are, | |
5cc18311 | 1097 | and what the range of ordinals is. */ |
252b5132 RH |
1098 | if (count_with_ordinals && max_ordinal > count_exported) |
1099 | { | |
1100 | if (min_ordinal > max_ordinal - count_exported + 1) | |
1101 | min_ordinal = max_ordinal - count_exported + 1; | |
1102 | } | |
1103 | else | |
1104 | { | |
1105 | min_ordinal = 1; | |
1106 | max_ordinal = count_exported; | |
1107 | } | |
252b5132 | 1108 | |
775cabad | 1109 | export_table_size = max_ordinal - min_ordinal + 1; |
1579bae1 | 1110 | exported_symbols = xmalloc (export_table_size * sizeof (int)); |
252b5132 RH |
1111 | for (i = 0; i < export_table_size; i++) |
1112 | exported_symbols[i] = -1; | |
1113 | ||
86b1cc60 | 1114 | /* Now we need to assign ordinals to those that don't have them. */ |
252b5132 RH |
1115 | for (i = 0; i < NE; i++) |
1116 | { | |
6c19b93b AM |
1117 | if (exported_symbol_sections[i] |
1118 | || pe_def_file->exports[i].flag_forward) | |
252b5132 RH |
1119 | { |
1120 | if (pe_def_file->exports[i].ordinal != -1) | |
1121 | { | |
1122 | int ei = pe_def_file->exports[i].ordinal - min_ordinal; | |
1123 | int pi = exported_symbols[ei]; | |
775cabad | 1124 | |
252b5132 RH |
1125 | if (pi != -1) |
1126 | { | |
1127 | /* xgettext:c-format */ | |
df5f2391 | 1128 | einfo (_("%X%P: error: ordinal used twice: %d (%s vs %s)\n"), |
252b5132 RH |
1129 | pe_def_file->exports[i].ordinal, |
1130 | pe_def_file->exports[i].name, | |
1131 | pe_def_file->exports[pi].name); | |
1132 | } | |
1133 | exported_symbols[ei] = i; | |
1134 | } | |
7fcab871 KT |
1135 | if (pe_def_file->exports[i].its_name) |
1136 | name_table_size += strlen (pe_def_file->exports[i].its_name) + 1; | |
1137 | else | |
1138 | name_table_size += strlen (pe_def_file->exports[i].name) + 1; | |
252b5132 | 1139 | } |
a8d701fd DS |
1140 | |
1141 | /* Reserve space for the forward name. */ | |
1142 | if (pe_def_file->exports[i].flag_forward) | |
1143 | { | |
1144 | name_table_size += strlen (pe_def_file->exports[i].internal_name) + 1; | |
1145 | } | |
252b5132 RH |
1146 | } |
1147 | ||
1148 | next_ordinal = min_ordinal; | |
1149 | for (i = 0; i < NE; i++) | |
6c19b93b AM |
1150 | if ((exported_symbol_sections[i] |
1151 | || pe_def_file->exports[i].flag_forward) | |
1152 | && pe_def_file->exports[i].ordinal == -1) | |
a8d701fd DS |
1153 | { |
1154 | while (exported_symbols[next_ordinal - min_ordinal] != -1) | |
1155 | next_ordinal++; | |
775cabad | 1156 | |
a8d701fd DS |
1157 | exported_symbols[next_ordinal - min_ordinal] = i; |
1158 | pe_def_file->exports[i].ordinal = next_ordinal; | |
1159 | } | |
252b5132 | 1160 | |
611a3ca9 NC |
1161 | /* PR 12969: Check for more than 1^16 ordinals. */ |
1162 | if (max_ordinal > 65535 || next_ordinal > 65535) | |
1163 | /* xgettext:c-format */ | |
df5f2391 | 1164 | einfo(_("%X%P: error: export ordinal too large: %d\n"), |
611a3ca9 NC |
1165 | max_ordinal > next_ordinal ? max_ordinal : next_ordinal); |
1166 | ||
86b1cc60 | 1167 | /* OK, now we can allocate some memory. */ |
775cabad NC |
1168 | edata_sz = (40 /* directory */ |
1169 | + 4 * export_table_size /* addresses */ | |
252b5132 RH |
1170 | + 4 * count_exported_byname /* name ptrs */ |
1171 | + 2 * count_exported_byname /* ordinals */ | |
678dc756 | 1172 | + name_table_size + strlen (dll_filename) + 1); |
252b5132 RH |
1173 | } |
1174 | ||
8a5b676c | 1175 | /* Fill the exported symbol offsets. The preliminary work has already |
c1711530 | 1176 | been done in process_def_file_and_drectve(). */ |
8a5b676c DD |
1177 | |
1178 | static void | |
1579bae1 | 1179 | fill_exported_offsets (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info) |
8a5b676c | 1180 | { |
f0c87f88 | 1181 | int i; |
8a5b676c | 1182 | struct bfd_link_hash_entry *blhe; |
5cc18311 | 1183 | |
8a5b676c DD |
1184 | for (i = 0; i < pe_def_file->num_exports; i++) |
1185 | { | |
1579bae1 | 1186 | char *name; |
775cabad | 1187 | |
1579bae1 | 1188 | name = xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2); |
c9e38879 | 1189 | if (pe_details->underscored |
6c19b93b | 1190 | && *pe_def_file->exports[i].internal_name != '@') |
8a5b676c DD |
1191 | { |
1192 | *name = '_'; | |
1193 | strcpy (name + 1, pe_def_file->exports[i].internal_name); | |
1194 | } | |
1195 | else | |
1196 | strcpy (name, pe_def_file->exports[i].internal_name); | |
1197 | ||
1198 | blhe = bfd_link_hash_lookup (info->hash, | |
1199 | name, | |
f38a2680 | 1200 | false, false, true); |
8a5b676c | 1201 | |
1579bae1 | 1202 | if (blhe && blhe->type == bfd_link_hash_defined) |
775cabad NC |
1203 | exported_symbol_offsets[i] = blhe->u.def.value; |
1204 | ||
8a5b676c DD |
1205 | free (name); |
1206 | } | |
1207 | } | |
1208 | ||
252b5132 | 1209 | static void |
1579bae1 | 1210 | fill_edata (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED) |
252b5132 | 1211 | { |
03a1c9a7 | 1212 | int s, hint; |
252b5132 | 1213 | unsigned char *edirectory; |
2f9636ba AM |
1214 | unsigned char *eaddresses; |
1215 | unsigned char *enameptrs; | |
1216 | unsigned char *eordinals; | |
47639182 | 1217 | char *enamestr; |
252b5132 | 1218 | |
1579bae1 | 1219 | edata_d = xmalloc (edata_sz); |
252b5132 | 1220 | |
86b1cc60 | 1221 | /* Note use of array pointer math here. */ |
252b5132 | 1222 | edirectory = edata_d; |
c7e2358a | 1223 | eaddresses = edirectory + 40; |
2f9636ba AM |
1224 | enameptrs = eaddresses + 4 * export_table_size; |
1225 | eordinals = enameptrs + 4 * count_exported_byname; | |
47639182 | 1226 | enamestr = (char *) eordinals + 2 * count_exported_byname; |
252b5132 | 1227 | |
1579bae1 AM |
1228 | #define ERVA(ptr) (((unsigned char *)(ptr) - edata_d) \ |
1229 | + edata_s->output_section->vma - image_base) | |
252b5132 | 1230 | |
c2a94a7a | 1231 | memset (edata_d, 0, edata_sz); |
0cb112f7 | 1232 | |
00386881 | 1233 | if (pe_data (abfd)->timestamp == -1) |
b5c37946 | 1234 | { |
6a6117ab | 1235 | time_t now = bfd_get_current_time (0); |
b5c37946 SJ |
1236 | H_PUT_32 (abfd, now, edata_d + 4); |
1237 | } | |
00386881 NC |
1238 | else |
1239 | H_PUT_32 (abfd, pe_data (abfd)->timestamp, edata_d + 4); | |
0cb112f7 | 1240 | |
252b5132 RH |
1241 | if (pe_def_file->version_major != -1) |
1242 | { | |
1243 | bfd_put_16 (abfd, pe_def_file->version_major, edata_d + 8); | |
1244 | bfd_put_16 (abfd, pe_def_file->version_minor, edata_d + 10); | |
1245 | } | |
775cabad | 1246 | |
252b5132 | 1247 | bfd_put_32 (abfd, ERVA (enamestr), edata_d + 12); |
678dc756 | 1248 | strcpy (enamestr, dll_filename); |
252b5132 RH |
1249 | enamestr += strlen (enamestr) + 1; |
1250 | bfd_put_32 (abfd, min_ordinal, edata_d + 16); | |
1251 | bfd_put_32 (abfd, export_table_size, edata_d + 20); | |
1252 | bfd_put_32 (abfd, count_exported_byname, edata_d + 24); | |
1253 | bfd_put_32 (abfd, ERVA (eaddresses), edata_d + 28); | |
1254 | bfd_put_32 (abfd, ERVA (enameptrs), edata_d + 32); | |
1255 | bfd_put_32 (abfd, ERVA (eordinals), edata_d + 36); | |
1256 | ||
8a5b676c DD |
1257 | fill_exported_offsets (abfd, info); |
1258 | ||
03a1c9a7 NC |
1259 | /* Ok, now for the filling in part. |
1260 | Scan alphabetically - ie the ordering in the exports[] table, | |
1261 | rather than by ordinal - the ordering in the exported_symbol[] | |
1262 | table. See dlltool.c and: | |
6c19b93b | 1263 | http://sources.redhat.com/ml/binutils/2003-04/msg00379.html |
1579bae1 | 1264 | for more information. */ |
252b5132 | 1265 | hint = 0; |
03a1c9a7 | 1266 | for (s = 0; s < NE; s++) |
252b5132 | 1267 | { |
f5a95868 | 1268 | struct bfd_section *ssec = exported_symbol_sections[s]; |
6c19b93b AM |
1269 | if (pe_def_file->exports[s].ordinal != -1 |
1270 | && (pe_def_file->exports[s].flag_forward || ssec != NULL)) | |
252b5132 | 1271 | { |
45b1f63c | 1272 | int ord = pe_def_file->exports[s].ordinal; |
252b5132 | 1273 | |
a8d701fd DS |
1274 | if (pe_def_file->exports[s].flag_forward) |
1275 | { | |
1276 | bfd_put_32 (abfd, ERVA (enamestr), | |
6c19b93b | 1277 | eaddresses + 4 * (ord - min_ordinal)); |
a8d701fd DS |
1278 | |
1279 | strcpy (enamestr, pe_def_file->exports[s].internal_name); | |
1280 | enamestr += strlen (pe_def_file->exports[s].internal_name) + 1; | |
1281 | } | |
1282 | else | |
1283 | { | |
6ca0987a | 1284 | bfd_vma srva = (exported_symbol_offsets[s] |
a8d701fd DS |
1285 | + ssec->output_section->vma |
1286 | + ssec->output_offset); | |
1287 | ||
1288 | bfd_put_32 (abfd, srva - image_base, | |
6c19b93b | 1289 | eaddresses + 4 * (ord - min_ordinal)); |
a8d701fd | 1290 | } |
775cabad | 1291 | |
252b5132 RH |
1292 | if (!pe_def_file->exports[s].flag_noname) |
1293 | { | |
1294 | char *ename = pe_def_file->exports[s].name; | |
7fcab871 KT |
1295 | if (pe_def_file->exports[s].its_name) |
1296 | ename = pe_def_file->exports[s].its_name; | |
03a1c9a7 | 1297 | |
2f9636ba AM |
1298 | bfd_put_32 (abfd, ERVA (enamestr), enameptrs); |
1299 | enameptrs += 4; | |
252b5132 RH |
1300 | strcpy (enamestr, ename); |
1301 | enamestr += strlen (enamestr) + 1; | |
2f9636ba AM |
1302 | bfd_put_16 (abfd, ord - min_ordinal, eordinals); |
1303 | eordinals += 2; | |
252b5132 RH |
1304 | pe_def_file->exports[s].hint = hint++; |
1305 | } | |
252b5132 RH |
1306 | } |
1307 | } | |
1308 | } | |
1309 | ||
b044cda1 | 1310 | |
198beae2 | 1311 | static struct bfd_section *current_sec; |
b044cda1 | 1312 | |
317ff008 EB |
1313 | static void |
1314 | pe_walk_relocs (struct bfd_link_info *info, | |
1315 | char *name, | |
1316 | const char *symname, | |
1317 | struct bfd_hash_table *import_hash, | |
1318 | void (*cb) (arelent *, asection *, char *, const char *)) | |
b044cda1 CW |
1319 | { |
1320 | bfd *b; | |
0d888aac | 1321 | asection *s; |
b044cda1 | 1322 | |
c72f2fb2 | 1323 | for (b = info->input_bfds; b; b = b->link.next) |
b044cda1 | 1324 | { |
775cabad | 1325 | asymbol **symbols; |
775cabad | 1326 | |
5c1d2f5f AM |
1327 | if (!bfd_generic_link_read_symbols (b)) |
1328 | { | |
df5f2391 | 1329 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), b); |
5c1d2f5f AM |
1330 | return; |
1331 | } | |
1332 | ||
1333 | symbols = bfd_get_outsymbols (b); | |
b044cda1 CW |
1334 | |
1335 | for (s = b->sections; s; s = s->next) | |
1336 | { | |
775cabad NC |
1337 | arelent **relocs; |
1338 | int relsize, nrelocs, i; | |
fd361982 | 1339 | int flags = bfd_section_flags (s); |
b044cda1 | 1340 | |
775cabad | 1341 | /* Skip discarded linkonce sections. */ |
b044cda1 CW |
1342 | if (flags & SEC_LINK_ONCE |
1343 | && s->output_section == bfd_abs_section_ptr) | |
1344 | continue; | |
1345 | ||
0d888aac | 1346 | current_sec = s; |
b044cda1 | 1347 | |
b044cda1 | 1348 | relsize = bfd_get_reloc_upper_bound (b, s); |
1579bae1 | 1349 | relocs = xmalloc (relsize); |
b044cda1 CW |
1350 | nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols); |
1351 | ||
1352 | for (i = 0; i < nrelocs; i++) | |
1353 | { | |
fc0a2244 | 1354 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
775cabad | 1355 | |
317ff008 EB |
1356 | /* Warning: the callback needs to be passed NAME directly. */ |
1357 | if (import_hash) | |
1358 | { | |
f38a2680 | 1359 | if (bfd_hash_lookup (import_hash, sym->name, false, false)) |
317ff008 EB |
1360 | { |
1361 | strcpy (name, sym->name); | |
1362 | cb (relocs[i], s, name, symname); | |
1363 | } | |
1364 | } | |
1365 | else | |
1366 | { | |
1367 | if (strcmp (name, sym->name) == 0) | |
1368 | cb (relocs[i], s, name, symname); | |
1369 | } | |
b044cda1 | 1370 | } |
775cabad | 1371 | |
b044cda1 | 1372 | free (relocs); |
775cabad | 1373 | |
b044cda1 CW |
1374 | /* Warning: the allocated symbols are remembered in BFD and reused |
1375 | later, so don't free them! */ | |
1376 | /* free (symbols); */ | |
1377 | } | |
1378 | } | |
1379 | } | |
1380 | ||
317ff008 EB |
1381 | void |
1382 | pe_find_data_imports (const char *symhead, | |
1383 | void (*cb) (arelent *, asection *, char *, const char *)) | |
1384 | { | |
1385 | struct bfd_link_hash_entry *undef; | |
1386 | const size_t headlen = strlen (symhead); | |
1387 | size_t namelen = 0; | |
1388 | char *buf, *name; | |
1389 | struct bfd_hash_table *import_hash; | |
1390 | ||
1391 | for (undef = link_info.hash->undefs; undef; undef = undef->u.undef.next) | |
1392 | if (undef->type == bfd_link_hash_undefined) | |
1393 | { | |
1394 | size_t len = strlen (undef->root.string); | |
1395 | if (namelen < len) | |
1396 | namelen = len; | |
1397 | } | |
1398 | if (namelen == 0) | |
1399 | return; | |
1400 | ||
1401 | /* For the pseudo-relocation support version 2, we can collect the symbols | |
1402 | that are subject to auto-import and adjust the relocations en masse. */ | |
1403 | if (link_info.pei386_runtime_pseudo_reloc == 2) | |
1404 | { | |
1405 | import_hash | |
1406 | = (struct bfd_hash_table *) xmalloc (sizeof (struct bfd_hash_table)); | |
1407 | if (!bfd_hash_table_init (import_hash, | |
1408 | bfd_hash_newfunc, | |
1409 | sizeof (struct bfd_hash_entry))) | |
1410 | einfo (_("%F%P: bfd_hash_table_init failed: %E\n")); | |
1411 | } | |
1412 | else | |
1413 | import_hash = NULL; | |
1414 | ||
1415 | /* We are being a bit cunning here. The buffer will have space for | |
1416 | prefixes at the beginning. The prefix is modified here and in a | |
1417 | number of functions called from this function. */ | |
1418 | #define PREFIX_LEN 32 | |
1419 | buf = xmalloc (PREFIX_LEN + namelen + 1); | |
1420 | name = buf + PREFIX_LEN; | |
1421 | ||
1422 | for (undef = link_info.hash->undefs; undef; undef = undef->u.undef.next) | |
1423 | if (undef->type == bfd_link_hash_undefined) | |
1424 | { | |
1425 | struct bfd_link_hash_entry *sym; | |
1426 | char *impname; | |
1427 | ||
1428 | if (pe_dll_extra_pe_debug) | |
4981a31d | 1429 | printf ("%s:%s\n", __func__, undef->root.string); |
317ff008 EB |
1430 | |
1431 | strcpy (name, undef->root.string); | |
1432 | impname = name - (sizeof "__imp_" - 1); | |
1433 | memcpy (impname, "__imp_", sizeof "__imp_" - 1); | |
1434 | ||
1435 | sym = bfd_link_hash_lookup (link_info.hash, impname, 0, 0, 1); | |
1436 | ||
1437 | if (sym && sym->type == bfd_link_hash_defined) | |
1438 | { | |
1439 | if (import_hash) | |
f38a2680 | 1440 | bfd_hash_lookup (import_hash, undef->root.string, true, false); |
317ff008 EB |
1441 | else |
1442 | { | |
1443 | bfd *b = sym->u.def.section->owner; | |
1444 | const char *symname = NULL; | |
1445 | asymbol **symbols; | |
1446 | int nsyms, i; | |
1447 | ||
1448 | if (!bfd_generic_link_read_symbols (b)) | |
1449 | { | |
1450 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), b); | |
1451 | return; | |
1452 | } | |
1453 | ||
1454 | symbols = bfd_get_outsymbols (b); | |
1455 | nsyms = bfd_get_symcount (b); | |
1456 | ||
1457 | for (i = 0; i < nsyms; i++) | |
1458 | if (strncmp (symbols[i]->name, symhead, headlen) == 0) | |
1459 | { | |
1460 | if (pe_dll_extra_pe_debug) | |
1461 | printf ("->%s\n", symbols[i]->name); | |
1462 | ||
1463 | symname = symbols[i]->name + headlen; | |
1464 | break; | |
1465 | } | |
1466 | ||
1467 | /* If the symobl isn't part of an import table, there is no | |
1468 | point in building a fixup, this would give rise to link | |
1469 | errors for mangled symbols instead of the original one. */ | |
1470 | if (symname) | |
1471 | pe_walk_relocs (&link_info, name, symname, NULL, cb); | |
1472 | else | |
1473 | continue; | |
1474 | } | |
1475 | ||
1476 | /* Let's differentiate it somehow from defined. */ | |
1477 | undef->type = bfd_link_hash_defweak; | |
1478 | undef->u.def.value = sym->u.def.value; | |
1479 | undef->u.def.section = sym->u.def.section; | |
1480 | ||
de07a745 EB |
1481 | /* We replace the original name with the __imp_ prefixed one, this |
1482 | 1) may trash memory 2) leads to duplicate symbols. But this is | |
1483 | better than having a misleading name that can confuse GDB. */ | |
1484 | undef->root.string = sym->root.string; | |
1485 | ||
317ff008 EB |
1486 | if (link_info.pei386_auto_import == -1) |
1487 | { | |
f38a2680 | 1488 | static bool warned = false; |
317ff008 EB |
1489 | |
1490 | info_msg (_("Info: resolving %s by linking to %s " | |
1491 | "(auto-import)\n"), name, impname); | |
1492 | ||
1493 | /* PR linker/4844. */ | |
1494 | if (!warned) | |
1495 | { | |
1496 | einfo (_("%P: warning: auto-importing has been activated " | |
1497 | "without --enable-auto-import specified on the " | |
1498 | "command line; this should work unless it " | |
1499 | "involves constant data structures referencing " | |
1500 | "symbols from auto-imported DLLs\n")); | |
f38a2680 | 1501 | warned = true; |
317ff008 EB |
1502 | } |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | /* If we have the import hash table, walk the relocations only once. */ | |
1508 | if (import_hash) | |
1509 | { | |
1510 | pe_walk_relocs (&link_info, name, NULL, import_hash, cb); | |
1511 | bfd_hash_table_free (import_hash); | |
1512 | free (import_hash); | |
1513 | } | |
1514 | ||
1515 | free (buf); | |
1516 | } | |
1517 | ||
775cabad | 1518 | /* Gather all the relocations and build the .reloc section. */ |
252b5132 RH |
1519 | |
1520 | static void | |
1579bae1 | 1521 | generate_reloc (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 1522 | { |
86b1cc60 | 1523 | /* For .reloc stuff. */ |
c6c37250 | 1524 | reloc_data_type *reloc_data; |
252b5132 RH |
1525 | int total_relocs = 0; |
1526 | int i; | |
6ca0987a | 1527 | bfd_vma sec_page = (bfd_vma) -1; |
d0975d80 | 1528 | bfd_vma page_ptr; |
252b5132 | 1529 | bfd *b; |
198beae2 | 1530 | struct bfd_section *s; |
252b5132 | 1531 | |
bd3d1480 | 1532 | if (reloc_s == NULL || reloc_s->output_section == bfd_abs_section_ptr) |
514b4e19 | 1533 | return; |
f3d8ae90 NC |
1534 | |
1535 | /* Set an upper bound for the total number of relocations we will have to generate. */ | |
252b5132 | 1536 | total_relocs = 0; |
c72f2fb2 | 1537 | for (b = info->input_bfds; b; b = b->link.next) |
252b5132 RH |
1538 | for (s = b->sections; s; s = s->next) |
1539 | total_relocs += s->reloc_count; | |
1540 | ||
1579bae1 | 1541 | reloc_data = xmalloc (total_relocs * sizeof (reloc_data_type)); |
252b5132 RH |
1542 | |
1543 | total_relocs = 0; | |
d0975d80 | 1544 | for (b = info->input_bfds; b; b = b->link.next) |
252b5132 RH |
1545 | { |
1546 | arelent **relocs; | |
91d6fa6a | 1547 | int relsize, nrelocs; |
1c66b8a0 NC |
1548 | asymbol **symbols; |
1549 | ||
1550 | if (!bfd_generic_link_read_symbols (b)) | |
1551 | { | |
1552 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), b); | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | symbols = bfd_get_outsymbols (b); | |
252b5132 RH |
1557 | |
1558 | for (s = b->sections; s; s = s->next) | |
1559 | { | |
f3d8ae90 | 1560 | bfd_vma sec_vma; |
252b5132 | 1561 | |
f3d8ae90 NC |
1562 | /* If the section is not going to be output, then ignore it. */ |
1563 | if (s->output_section == NULL) | |
1564 | { | |
1c66b8a0 NC |
1565 | /* FIXME: This should not happen. Convert to the correct |
1566 | form here, but really, this should be investigated. */ | |
f3d8ae90 NC |
1567 | s->output_section = bfd_abs_section_ptr; |
1568 | continue; | |
1569 | } | |
252b5132 RH |
1570 | |
1571 | /* I don't know why there would be a reloc for these, but I've | |
86b1cc60 | 1572 | seen it happen - DJ */ |
45dfa85a | 1573 | if (s->output_section == bfd_abs_section_ptr) |
252b5132 RH |
1574 | continue; |
1575 | ||
f3d8ae90 NC |
1576 | /* If it's not loaded, we don't need to relocate it this way. */ |
1577 | if (!(s->output_section->flags & SEC_LOAD)) | |
1578 | continue; | |
1579 | ||
1580 | /* This happens when linking with --just-symbols=<file> | |
1581 | so do not generate an error. */ | |
252b5132 | 1582 | if (s->output_section->vma == 0) |
f3d8ae90 NC |
1583 | continue; |
1584 | ||
1585 | sec_vma = s->output_section->vma + s->output_offset; | |
252b5132 | 1586 | |
252b5132 | 1587 | relsize = bfd_get_reloc_upper_bound (b, s); |
1579bae1 | 1588 | relocs = xmalloc (relsize); |
252b5132 RH |
1589 | nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols); |
1590 | ||
1591 | for (i = 0; i < nrelocs; i++) | |
1592 | { | |
b044cda1 | 1593 | if (pe_dll_extra_pe_debug) |
b7a26f91 | 1594 | { |
fc0a2244 | 1595 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
b7a26f91 | 1596 | printf ("rel: %s\n", sym->name); |
b044cda1 | 1597 | } |
252b5132 | 1598 | if (!relocs[i]->howto->pc_relative |
c6c37250 | 1599 | && relocs[i]->howto->type != pe_details->imagebase_reloc) |
252b5132 | 1600 | { |
fc0a2244 | 1601 | struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr; |
6fa7408d JB |
1602 | const struct bfd_link_hash_entry *blhe |
1603 | = bfd_wrapped_link_hash_lookup (abfd, info, sym->name, | |
f38a2680 | 1604 | false, false, false); |
775cabad | 1605 | |
1b610c93 | 1606 | /* Don't create relocs for undefined weak symbols. */ |
49314f87 DS |
1607 | if (sym->flags == BSF_WEAK) |
1608 | { | |
9dda37c1 DK |
1609 | if (blhe && blhe->type == bfd_link_hash_undefweak) |
1610 | { | |
1611 | /* Check aux sym and see if it is defined or not. */ | |
1612 | struct coff_link_hash_entry *h, *h2; | |
1613 | h = (struct coff_link_hash_entry *)blhe; | |
1614 | if (h->symbol_class != C_NT_WEAK || h->numaux != 1) | |
1615 | continue; | |
1616 | h2 = h->auxbfd->tdata.coff_obj_data->sym_hashes | |
a2c7ca15 | 1617 | [h->aux->x_sym.x_tagndx.u32]; |
9dda37c1 DK |
1618 | /* We don't want a base reloc if the aux sym is not |
1619 | found, undefined, or if it is the constant ABS | |
1620 | zero default value. (We broaden that slightly by | |
1621 | not testing the value, just the section; there's | |
1622 | no reason we'd want a reference to any absolute | |
1623 | address to get relocated during rebasing). */ | |
1624 | if (!h2 || h2->root.type == bfd_link_hash_undefined | |
45dfa85a | 1625 | || h2->root.u.def.section == bfd_abs_section_ptr) |
9dda37c1 DK |
1626 | continue; |
1627 | } | |
1628 | else if (!blhe || blhe->type != bfd_link_hash_defined) | |
1629 | continue; | |
49314f87 | 1630 | } |
0432176d DK |
1631 | /* Nor for Dwarf FDE references to discarded sections. */ |
1632 | else if (bfd_is_abs_section (sym->section->output_section)) | |
1633 | { | |
1634 | /* We only ignore relocs from .eh_frame sections, as | |
1635 | they are discarded by the final link rather than | |
1636 | resolved against the kept section. */ | |
1637 | if (!strcmp (s->name, ".eh_frame")) | |
1638 | continue; | |
1639 | } | |
6fa7408d JB |
1640 | /* Nor for absolute symbols. */ |
1641 | else if (blhe && ldexp_is_final_sym_absolute (blhe) | |
1642 | && (!blhe->linker_def | |
1643 | || (strcmp (sym->name, "__image_base__") | |
1644 | && strcmp (sym->name, U ("__ImageBase"))))) | |
1645 | continue; | |
49314f87 | 1646 | |
c6c37250 | 1647 | reloc_data[total_relocs].vma = sec_vma + relocs[i]->address; |
08dec09d | 1648 | reloc_data[total_relocs].idx = total_relocs; |
5cc18311 | 1649 | |
bd3d1480 JB |
1650 | /* Since we're only about to determine .reloc's size, |
1651 | subsequent output section VMA calculations will shift up | |
1652 | sections at this or higher addresses. Relocations for | |
1653 | such sections would hence end up not being correct. */ | |
1654 | if (reloc_data[total_relocs].vma | |
1655 | >= reloc_s->output_section->vma) | |
1656 | einfo (_("%P: base relocation for section `%s' above " | |
1657 | ".reloc section\n"), s->output_section->name); | |
1658 | ||
344a211f | 1659 | #define BITS_AND_SHIFT(bits, shift) (bits * 1000 | shift) |
5cc18311 | 1660 | |
344a211f NC |
1661 | switch BITS_AND_SHIFT (relocs[i]->howto->bitsize, |
1662 | relocs[i]->howto->rightshift) | |
252b5132 | 1663 | { |
c60b3806 | 1664 | #ifdef pe_use_plus |
99ad8390 | 1665 | case BITS_AND_SHIFT (64, 0): |
27049a38 | 1666 | reloc_data[total_relocs].type = IMAGE_REL_BASED_DIR64; |
99ad8390 NC |
1667 | total_relocs++; |
1668 | break; | |
1669 | #endif | |
344a211f | 1670 | case BITS_AND_SHIFT (32, 0): |
27049a38 | 1671 | reloc_data[total_relocs].type = IMAGE_REL_BASED_HIGHLOW; |
c6c37250 | 1672 | total_relocs++; |
252b5132 | 1673 | break; |
344a211f | 1674 | case BITS_AND_SHIFT (16, 0): |
27049a38 | 1675 | reloc_data[total_relocs].type = IMAGE_REL_BASED_LOW; |
344a211f NC |
1676 | total_relocs++; |
1677 | break; | |
1678 | case BITS_AND_SHIFT (16, 16): | |
27049a38 | 1679 | reloc_data[total_relocs].type = IMAGE_REL_BASED_HIGHADJ; |
86b1cc60 KH |
1680 | /* FIXME: we can't know the symbol's right value |
1681 | yet, but we probably can safely assume that | |
1682 | CE will relocate us in 64k blocks, so leaving | |
1683 | it zero is safe. */ | |
344a211f NC |
1684 | reloc_data[total_relocs].extra = 0; |
1685 | total_relocs++; | |
1686 | break; | |
1687 | case BITS_AND_SHIFT (26, 2): | |
27049a38 MH |
1688 | reloc_data[total_relocs].type = |
1689 | IMAGE_REL_BASED_ARM_MOV32; | |
344a211f NC |
1690 | total_relocs++; |
1691 | break; | |
fea39bcb | 1692 | case BITS_AND_SHIFT (24, 2): |
d3793eaa NC |
1693 | /* FIXME: 0 is ARM_26D, it is defined in bfd/coff-arm.c |
1694 | Those ARM_xxx definitions should go in proper | |
1695 | header someday. */ | |
1696 | if (relocs[i]->howto->type == 0 | |
1697 | /* Older GNU linkers used 5 instead of 0 for this reloc. */ | |
1698 | || relocs[i]->howto->type == 5) | |
fea39bcb NC |
1699 | /* This is an ARM_26D reloc, which is an ARM_26 reloc |
1700 | that has already been fully processed during a | |
1701 | previous link stage, so ignore it here. */ | |
1702 | break; | |
1703 | /* Fall through. */ | |
252b5132 RH |
1704 | default: |
1705 | /* xgettext:c-format */ | |
df5f2391 | 1706 | einfo (_("%X%P: error: %d-bit reloc in dll\n"), |
252b5132 RH |
1707 | relocs[i]->howto->bitsize); |
1708 | break; | |
1709 | } | |
1710 | } | |
1711 | } | |
f3d8ae90 | 1712 | |
252b5132 | 1713 | free (relocs); |
86b1cc60 KH |
1714 | /* Warning: the allocated symbols are remembered in BFD and |
1715 | reused later, so don't free them! */ | |
252b5132 RH |
1716 | } |
1717 | } | |
1718 | ||
f3d8ae90 NC |
1719 | /* This can happen for example when LTO has eliminated all code. */ |
1720 | if (total_relocs == 0) | |
1721 | return; | |
1722 | ||
252b5132 RH |
1723 | /* At this point, we have total_relocs relocation addresses in |
1724 | reloc_addresses, which are all suitable for the .reloc section. | |
5cc18311 | 1725 | We must now create the new sections. */ |
c6c37250 | 1726 | qsort (reloc_data, total_relocs, sizeof (*reloc_data), reloc_sort); |
252b5132 RH |
1727 | |
1728 | for (i = 0; i < total_relocs; i++) | |
1729 | { | |
6ca0987a | 1730 | bfd_vma this_page = (reloc_data[i].vma >> 12); |
5cc18311 | 1731 | |
252b5132 RH |
1732 | if (this_page != sec_page) |
1733 | { | |
775cabad | 1734 | reloc_sz = (reloc_sz + 3) & ~3; /* 4-byte align. */ |
252b5132 RH |
1735 | reloc_sz += 8; |
1736 | sec_page = this_page; | |
1737 | } | |
5cc18311 | 1738 | |
252b5132 | 1739 | reloc_sz += 2; |
5cc18311 | 1740 | |
27049a38 | 1741 | if (reloc_data[i].type == IMAGE_REL_BASED_HIGHADJ) |
344a211f | 1742 | reloc_sz += 2; |
252b5132 | 1743 | } |
b7a26f91 | 1744 | |
775cabad | 1745 | reloc_sz = (reloc_sz + 3) & ~3; /* 4-byte align. */ |
1579bae1 | 1746 | reloc_d = xmalloc (reloc_sz); |
f3d8ae90 NC |
1747 | |
1748 | page_ptr = sec_page = (bfd_vma) -1; | |
252b5132 | 1749 | reloc_sz = 0; |
775cabad | 1750 | |
252b5132 RH |
1751 | for (i = 0; i < total_relocs; i++) |
1752 | { | |
6ca0987a KT |
1753 | bfd_vma rva = reloc_data[i].vma - image_base; |
1754 | bfd_vma this_page = (rva & ~0xfff); | |
775cabad | 1755 | |
252b5132 RH |
1756 | if (this_page != sec_page) |
1757 | { | |
1758 | while (reloc_sz & 3) | |
1759 | reloc_d[reloc_sz++] = 0; | |
775cabad | 1760 | |
6ca0987a | 1761 | if (page_ptr != (bfd_vma) -1) |
252b5132 | 1762 | bfd_put_32 (abfd, reloc_sz - page_ptr, reloc_d + page_ptr + 4); |
775cabad | 1763 | |
252b5132 RH |
1764 | bfd_put_32 (abfd, this_page, reloc_d + reloc_sz); |
1765 | page_ptr = reloc_sz; | |
1766 | reloc_sz += 8; | |
1767 | sec_page = this_page; | |
252b5132 | 1768 | } |
775cabad | 1769 | |
d643799d | 1770 | bfd_put_16 (abfd, (rva & 0xfff) + (reloc_data[i].type << 12), |
c6c37250 | 1771 | reloc_d + reloc_sz); |
252b5132 | 1772 | reloc_sz += 2; |
775cabad | 1773 | |
27049a38 | 1774 | if (reloc_data[i].type == IMAGE_REL_BASED_HIGHADJ) |
c6c37250 DD |
1775 | { |
1776 | bfd_put_16 (abfd, reloc_data[i].extra, reloc_d + reloc_sz); | |
1777 | reloc_sz += 2; | |
1778 | } | |
252b5132 | 1779 | } |
775cabad | 1780 | |
252b5132 RH |
1781 | while (reloc_sz & 3) |
1782 | reloc_d[reloc_sz++] = 0; | |
775cabad | 1783 | |
6ca0987a | 1784 | if (page_ptr != (bfd_vma) -1) |
252b5132 | 1785 | bfd_put_32 (abfd, reloc_sz - page_ptr, reloc_d + page_ptr + 4); |
252b5132 RH |
1786 | } |
1787 | ||
775cabad NC |
1788 | /* Given the exiting def_file structure, print out a .DEF file that |
1789 | corresponds to it. */ | |
252b5132 RH |
1790 | |
1791 | static void | |
1579bae1 | 1792 | quoteput (char *s, FILE *f, int needs_quotes) |
252b5132 RH |
1793 | { |
1794 | char *cp; | |
775cabad | 1795 | |
252b5132 RH |
1796 | for (cp = s; *cp; cp++) |
1797 | if (*cp == '\'' | |
1798 | || *cp == '"' | |
1799 | || *cp == '\\' | |
3882b010 | 1800 | || ISSPACE (*cp) |
252b5132 RH |
1801 | || *cp == ',' |
1802 | || *cp == ';') | |
1803 | needs_quotes = 1; | |
775cabad | 1804 | |
252b5132 RH |
1805 | if (needs_quotes) |
1806 | { | |
1807 | putc ('"', f); | |
775cabad | 1808 | |
252b5132 RH |
1809 | while (*s) |
1810 | { | |
1811 | if (*s == '"' || *s == '\\') | |
1812 | putc ('\\', f); | |
775cabad | 1813 | |
252b5132 RH |
1814 | putc (*s, f); |
1815 | s++; | |
1816 | } | |
775cabad | 1817 | |
252b5132 RH |
1818 | putc ('"', f); |
1819 | } | |
1820 | else | |
1821 | fputs (s, f); | |
1822 | } | |
1823 | ||
1824 | void | |
1579bae1 | 1825 | pe_dll_generate_def_file (const char *pe_out_def_filename) |
252b5132 RH |
1826 | { |
1827 | int i; | |
1828 | FILE *out = fopen (pe_out_def_filename, "w"); | |
775cabad | 1829 | |
252b5132 | 1830 | if (out == NULL) |
775cabad | 1831 | /* xgettext:c-format */ |
df5f2391 | 1832 | einfo (_("%P: can't open output def file %s\n"), |
611a3ca9 | 1833 | pe_out_def_filename); |
252b5132 RH |
1834 | |
1835 | if (pe_def_file) | |
1836 | { | |
1837 | if (pe_def_file->name) | |
1838 | { | |
1839 | if (pe_def_file->is_dll) | |
1840 | fprintf (out, "LIBRARY "); | |
1841 | else | |
1842 | fprintf (out, "NAME "); | |
775cabad | 1843 | |
252b5132 | 1844 | quoteput (pe_def_file->name, out, 1); |
775cabad | 1845 | |
f13a99db | 1846 | if (pe_data (link_info.output_bfd)->pe_opthdr.ImageBase) |
f493c217 AM |
1847 | fprintf (out, " BASE=0x%" PRIx64, |
1848 | (uint64_t) pe_data (link_info.output_bfd)->pe_opthdr.ImageBase); | |
252b5132 RH |
1849 | fprintf (out, "\n"); |
1850 | } | |
1851 | ||
1852 | if (pe_def_file->description) | |
1853 | { | |
1854 | fprintf (out, "DESCRIPTION "); | |
1855 | quoteput (pe_def_file->description, out, 1); | |
1856 | fprintf (out, "\n"); | |
1857 | } | |
1858 | ||
1859 | if (pe_def_file->version_minor != -1) | |
1860 | fprintf (out, "VERSION %d.%d\n", pe_def_file->version_major, | |
1861 | pe_def_file->version_minor); | |
1862 | else if (pe_def_file->version_major != -1) | |
1863 | fprintf (out, "VERSION %d\n", pe_def_file->version_major); | |
1864 | ||
1865 | if (pe_def_file->stack_reserve != -1 || pe_def_file->heap_reserve != -1) | |
1866 | fprintf (out, "\n"); | |
1867 | ||
1868 | if (pe_def_file->stack_commit != -1) | |
1869 | fprintf (out, "STACKSIZE 0x%x,0x%x\n", | |
1870 | pe_def_file->stack_reserve, pe_def_file->stack_commit); | |
1871 | else if (pe_def_file->stack_reserve != -1) | |
1872 | fprintf (out, "STACKSIZE 0x%x\n", pe_def_file->stack_reserve); | |
775cabad | 1873 | |
252b5132 RH |
1874 | if (pe_def_file->heap_commit != -1) |
1875 | fprintf (out, "HEAPSIZE 0x%x,0x%x\n", | |
1876 | pe_def_file->heap_reserve, pe_def_file->heap_commit); | |
1877 | else if (pe_def_file->heap_reserve != -1) | |
1878 | fprintf (out, "HEAPSIZE 0x%x\n", pe_def_file->heap_reserve); | |
1879 | ||
1880 | if (pe_def_file->num_section_defs > 0) | |
1881 | { | |
1882 | fprintf (out, "\nSECTIONS\n\n"); | |
775cabad | 1883 | |
252b5132 RH |
1884 | for (i = 0; i < pe_def_file->num_section_defs; i++) |
1885 | { | |
1886 | fprintf (out, " "); | |
1887 | quoteput (pe_def_file->section_defs[i].name, out, 0); | |
775cabad | 1888 | |
252b5132 RH |
1889 | if (pe_def_file->section_defs[i].class) |
1890 | { | |
1891 | fprintf (out, " CLASS "); | |
1892 | quoteput (pe_def_file->section_defs[i].class, out, 0); | |
1893 | } | |
775cabad | 1894 | |
252b5132 RH |
1895 | if (pe_def_file->section_defs[i].flag_read) |
1896 | fprintf (out, " READ"); | |
775cabad | 1897 | |
252b5132 RH |
1898 | if (pe_def_file->section_defs[i].flag_write) |
1899 | fprintf (out, " WRITE"); | |
775cabad | 1900 | |
252b5132 RH |
1901 | if (pe_def_file->section_defs[i].flag_execute) |
1902 | fprintf (out, " EXECUTE"); | |
775cabad | 1903 | |
252b5132 RH |
1904 | if (pe_def_file->section_defs[i].flag_shared) |
1905 | fprintf (out, " SHARED"); | |
775cabad | 1906 | |
252b5132 RH |
1907 | fprintf (out, "\n"); |
1908 | } | |
1909 | } | |
1910 | ||
1911 | if (pe_def_file->num_exports > 0) | |
1912 | { | |
b044cda1 | 1913 | fprintf (out, "EXPORTS\n"); |
775cabad | 1914 | |
252b5132 RH |
1915 | for (i = 0; i < pe_def_file->num_exports; i++) |
1916 | { | |
1917 | def_file_export *e = pe_def_file->exports + i; | |
1918 | fprintf (out, " "); | |
1919 | quoteput (e->name, out, 0); | |
775cabad | 1920 | |
252b5132 RH |
1921 | if (e->internal_name && strcmp (e->internal_name, e->name)) |
1922 | { | |
1923 | fprintf (out, " = "); | |
1924 | quoteput (e->internal_name, out, 0); | |
1925 | } | |
775cabad | 1926 | |
252b5132 RH |
1927 | if (e->ordinal != -1) |
1928 | fprintf (out, " @%d", e->ordinal); | |
775cabad | 1929 | |
252b5132 RH |
1930 | if (e->flag_private) |
1931 | fprintf (out, " PRIVATE"); | |
775cabad | 1932 | |
252b5132 RH |
1933 | if (e->flag_constant) |
1934 | fprintf (out, " CONSTANT"); | |
775cabad | 1935 | |
252b5132 RH |
1936 | if (e->flag_noname) |
1937 | fprintf (out, " NONAME"); | |
775cabad | 1938 | |
252b5132 RH |
1939 | if (e->flag_data) |
1940 | fprintf (out, " DATA"); | |
1941 | ||
1942 | fprintf (out, "\n"); | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | if (pe_def_file->num_imports > 0) | |
1947 | { | |
1948 | fprintf (out, "\nIMPORTS\n\n"); | |
775cabad | 1949 | |
252b5132 RH |
1950 | for (i = 0; i < pe_def_file->num_imports; i++) |
1951 | { | |
1952 | def_file_import *im = pe_def_file->imports + i; | |
1953 | fprintf (out, " "); | |
775cabad | 1954 | |
252b5132 RH |
1955 | if (im->internal_name |
1956 | && (!im->name || strcmp (im->internal_name, im->name))) | |
1957 | { | |
1958 | quoteput (im->internal_name, out, 0); | |
1959 | fprintf (out, " = "); | |
1960 | } | |
775cabad | 1961 | |
252b5132 RH |
1962 | quoteput (im->module->name, out, 0); |
1963 | fprintf (out, "."); | |
775cabad | 1964 | |
252b5132 RH |
1965 | if (im->name) |
1966 | quoteput (im->name, out, 0); | |
1967 | else | |
1968 | fprintf (out, "%d", im->ordinal); | |
775cabad | 1969 | |
7fcab871 KT |
1970 | if (im->its_name) |
1971 | { | |
1972 | fprintf (out, " == "); | |
1973 | quoteput (im->its_name, out, 0); | |
1974 | } | |
1975 | ||
252b5132 RH |
1976 | fprintf (out, "\n"); |
1977 | } | |
1978 | } | |
1979 | } | |
1980 | else | |
1981 | fprintf (out, _("; no contents available\n")); | |
1982 | ||
1983 | if (fclose (out) == EOF) | |
775cabad | 1984 | /* xgettext:c-format */ |
df5f2391 | 1985 | einfo (_("%P: error closing file `%s'\n"), pe_out_def_filename); |
252b5132 RH |
1986 | } |
1987 | ||
775cabad | 1988 | /* Generate the import library. */ |
252b5132 RH |
1989 | |
1990 | static asymbol **symtab; | |
1991 | static int symptr; | |
1992 | static int tmp_seq; | |
252b5132 RH |
1993 | static char *dll_symname; |
1994 | ||
45dfa85a | 1995 | #define UNDSEC bfd_und_section_ptr |
252b5132 RH |
1996 | |
1997 | static asection * | |
1579bae1 | 1998 | quick_section (bfd *abfd, const char *name, int flags, int align) |
252b5132 RH |
1999 | { |
2000 | asection *sec; | |
2001 | asymbol *sym; | |
2002 | ||
2003 | sec = bfd_make_section_old_way (abfd, name); | |
fd361982 AM |
2004 | bfd_set_section_flags (sec, flags | SEC_ALLOC | SEC_LOAD | SEC_KEEP); |
2005 | bfd_set_section_alignment (sec, align); | |
86b1cc60 | 2006 | /* Remember to undo this before trying to link internally! */ |
252b5132 RH |
2007 | sec->output_section = sec; |
2008 | ||
2009 | sym = bfd_make_empty_symbol (abfd); | |
2010 | symtab[symptr++] = sym; | |
2011 | sym->name = sec->name; | |
2012 | sym->section = sec; | |
2013 | sym->flags = BSF_LOCAL; | |
2014 | sym->value = 0; | |
2015 | ||
2016 | return sec; | |
2017 | } | |
2018 | ||
2019 | static void | |
1579bae1 AM |
2020 | quick_symbol (bfd *abfd, |
2021 | const char *n1, | |
2022 | const char *n2, | |
2023 | const char *n3, | |
2024 | asection *sec, | |
2025 | int flags, | |
2026 | int addr) | |
252b5132 RH |
2027 | { |
2028 | asymbol *sym; | |
1579bae1 | 2029 | char *name = xmalloc (strlen (n1) + strlen (n2) + strlen (n3) + 1); |
775cabad | 2030 | |
252b5132 RH |
2031 | strcpy (name, n1); |
2032 | strcat (name, n2); | |
2033 | strcat (name, n3); | |
2034 | sym = bfd_make_empty_symbol (abfd); | |
2035 | sym->name = name; | |
2036 | sym->section = sec; | |
2037 | sym->flags = flags; | |
2038 | sym->value = addr; | |
2039 | symtab[symptr++] = sym; | |
2040 | } | |
2041 | ||
2042 | static arelent *reltab = 0; | |
2043 | static int relcount = 0, relsize = 0; | |
2044 | ||
2045 | static void | |
0ead4f8d | 2046 | quick_reloc (bfd *abfd, bfd_size_type address, int which_howto, int symidx) |
252b5132 | 2047 | { |
1579bae1 | 2048 | if (relcount >= relsize - 1) |
252b5132 RH |
2049 | { |
2050 | relsize += 10; | |
2051 | if (reltab) | |
1579bae1 | 2052 | reltab = xrealloc (reltab, relsize * sizeof (arelent)); |
252b5132 | 2053 | else |
1579bae1 | 2054 | reltab = xmalloc (relsize * sizeof (arelent)); |
252b5132 RH |
2055 | } |
2056 | reltab[relcount].address = address; | |
2057 | reltab[relcount].addend = 0; | |
2058 | reltab[relcount].howto = bfd_reloc_type_lookup (abfd, which_howto); | |
2059 | reltab[relcount].sym_ptr_ptr = symtab + symidx; | |
2060 | relcount++; | |
2061 | } | |
2062 | ||
2063 | static void | |
2064 | save_relocs (asection *sec) | |
2065 | { | |
2066 | int i; | |
775cabad | 2067 | |
252b5132 RH |
2068 | sec->relocation = reltab; |
2069 | sec->reloc_count = relcount; | |
1579bae1 | 2070 | sec->orelocation = xmalloc ((relcount + 1) * sizeof (arelent *)); |
d643799d | 2071 | for (i = 0; i < relcount; i++) |
252b5132 RH |
2072 | sec->orelocation[i] = sec->relocation + i; |
2073 | sec->orelocation[relcount] = 0; | |
2074 | sec->flags |= SEC_RELOC; | |
2075 | reltab = 0; | |
2076 | relcount = relsize = 0; | |
2077 | } | |
2078 | ||
775cabad | 2079 | /* .section .idata$2 |
6c19b93b | 2080 | .global __head_my_dll |
775cabad | 2081 | __head_my_dll: |
6c19b93b AM |
2082 | .rva hname |
2083 | .long 0 | |
2084 | .long 0 | |
2085 | .rva __my_dll_iname | |
2086 | .rva fthunk | |
2087 | ||
2088 | .section .idata$5 | |
2089 | .long 0 | |
775cabad | 2090 | fthunk: |
b7a26f91 | 2091 | |
6c19b93b AM |
2092 | .section .idata$4 |
2093 | .long 0 | |
775cabad | 2094 | hname: */ |
252b5132 RH |
2095 | |
2096 | static bfd * | |
1579bae1 | 2097 | make_head (bfd *parent) |
252b5132 RH |
2098 | { |
2099 | asection *id2, *id5, *id4; | |
2100 | unsigned char *d2, *d5, *d4; | |
2101 | char *oname; | |
2102 | bfd *abfd; | |
2103 | ||
639d467b NC |
2104 | if (asprintf (&oname, "%s_d%06d.o", dll_symname, tmp_seq) < 4) |
2105 | /* In theory we should return NULL here at let our caller decide what to | |
2106 | do. But currently the return value is not checked, just used, and | |
2107 | besides, this condition only happens when the system has run out of | |
2108 | memory. So just give up. */ | |
2109 | exit (EXIT_FAILURE); | |
252b5132 RH |
2110 | tmp_seq++; |
2111 | ||
2112 | abfd = bfd_create (oname, parent); | |
6f860418 | 2113 | free (oname); |
c6c37250 | 2114 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
2115 | bfd_make_writable (abfd); |
2116 | ||
2117 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 2118 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
2119 | |
2120 | symptr = 0; | |
1579bae1 | 2121 | symtab = xmalloc (6 * sizeof (asymbol *)); |
252b5132 RH |
2122 | id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2); |
2123 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
2124 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); | |
d643799d KH |
2125 | quick_symbol (abfd, U ("_head_"), dll_symname, "", id2, BSF_GLOBAL, 0); |
2126 | quick_symbol (abfd, U (""), dll_symname, "_iname", UNDSEC, BSF_GLOBAL, 0); | |
c6c37250 DD |
2127 | |
2128 | /* OK, pay attention here. I got confused myself looking back at | |
2129 | it. We create a four-byte section to mark the beginning of the | |
2130 | list, and we include an offset of 4 in the section, so that the | |
2131 | pointer to the list points to the *end* of this section, which is | |
5cc18311 | 2132 | the start of the list of sections from other objects. */ |
252b5132 | 2133 | |
fd361982 | 2134 | bfd_set_section_size (id2, 20); |
1579bae1 | 2135 | d2 = xmalloc (20); |
252b5132 RH |
2136 | id2->contents = d2; |
2137 | memset (d2, 0, 20); | |
ce11ba6c KT |
2138 | if (pe_use_nul_prefixed_import_tables) |
2139 | d2[0] = d2[16] = PE_IDATA5_SIZE; /* Reloc addend. */ | |
252b5132 RH |
2140 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 2); |
2141 | quick_reloc (abfd, 12, BFD_RELOC_RVA, 4); | |
2142 | quick_reloc (abfd, 16, BFD_RELOC_RVA, 1); | |
2143 | save_relocs (id2); | |
2144 | ||
ce11ba6c | 2145 | if (pe_use_nul_prefixed_import_tables) |
fd361982 | 2146 | bfd_set_section_size (id5, PE_IDATA5_SIZE); |
ce11ba6c | 2147 | else |
fd361982 | 2148 | bfd_set_section_size (id5, 0); |
99ad8390 | 2149 | d5 = xmalloc (PE_IDATA5_SIZE); |
252b5132 | 2150 | id5->contents = d5; |
99ad8390 | 2151 | memset (d5, 0, PE_IDATA5_SIZE); |
ce11ba6c | 2152 | if (pe_use_nul_prefixed_import_tables) |
fd361982 | 2153 | bfd_set_section_size (id4, PE_IDATA4_SIZE); |
ce11ba6c | 2154 | else |
fd361982 | 2155 | bfd_set_section_size (id4, 0); |
99ad8390 | 2156 | d4 = xmalloc (PE_IDATA4_SIZE); |
252b5132 | 2157 | id4->contents = d4; |
99ad8390 | 2158 | memset (d4, 0, PE_IDATA4_SIZE); |
252b5132 RH |
2159 | |
2160 | bfd_set_symtab (abfd, symtab, symptr); | |
2161 | ||
2162 | bfd_set_section_contents (abfd, id2, d2, 0, 20); | |
ce11ba6c KT |
2163 | if (pe_use_nul_prefixed_import_tables) |
2164 | { | |
2165 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); | |
2166 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); | |
2167 | } | |
2168 | else | |
2169 | { | |
2170 | bfd_set_section_contents (abfd, id5, d5, 0, 0); | |
2171 | bfd_set_section_contents (abfd, id4, d4, 0, 0); | |
2172 | } | |
5cc18311 | 2173 | |
252b5132 RH |
2174 | bfd_make_readable (abfd); |
2175 | return abfd; | |
2176 | } | |
2177 | ||
775cabad | 2178 | /* .section .idata$4 |
6c19b93b | 2179 | .long 0 |
99ad8390 | 2180 | [.long 0] for PE+ |
6c19b93b AM |
2181 | .section .idata$5 |
2182 | .long 0 | |
99ad8390 | 2183 | [.long 0] for PE+ |
6c19b93b AM |
2184 | .section idata$7 |
2185 | .global __my_dll_iname | |
775cabad | 2186 | __my_dll_iname: |
6c19b93b | 2187 | .asciz "my.dll" */ |
252b5132 RH |
2188 | |
2189 | static bfd * | |
1579bae1 | 2190 | make_tail (bfd *parent) |
252b5132 RH |
2191 | { |
2192 | asection *id4, *id5, *id7; | |
2193 | unsigned char *d4, *d5, *d7; | |
2194 | int len; | |
2195 | char *oname; | |
2196 | bfd *abfd; | |
2197 | ||
639d467b NC |
2198 | if (asprintf (&oname, "%s_d%06d.o", dll_symname, tmp_seq) < 4) |
2199 | /* In theory we should return NULL here at let our caller decide what to | |
2200 | do. But currently the return value is not checked, just used, and | |
2201 | besides, this condition only happens when the system has run out of | |
2202 | memory. So just give up. */ | |
2203 | exit (EXIT_FAILURE); | |
252b5132 RH |
2204 | tmp_seq++; |
2205 | ||
2206 | abfd = bfd_create (oname, parent); | |
6f860418 | 2207 | free (oname); |
c6c37250 | 2208 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
2209 | bfd_make_writable (abfd); |
2210 | ||
2211 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 2212 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
2213 | |
2214 | symptr = 0; | |
1579bae1 | 2215 | symtab = xmalloc (5 * sizeof (asymbol *)); |
252b5132 RH |
2216 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); |
2217 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
2218 | id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2); | |
d643799d | 2219 | quick_symbol (abfd, U (""), dll_symname, "_iname", id7, BSF_GLOBAL, 0); |
252b5132 | 2220 | |
fd361982 | 2221 | bfd_set_section_size (id4, PE_IDATA4_SIZE); |
99ad8390 | 2222 | d4 = xmalloc (PE_IDATA4_SIZE); |
252b5132 | 2223 | id4->contents = d4; |
99ad8390 | 2224 | memset (d4, 0, PE_IDATA4_SIZE); |
252b5132 | 2225 | |
fd361982 | 2226 | bfd_set_section_size (id5, PE_IDATA5_SIZE); |
99ad8390 | 2227 | d5 = xmalloc (PE_IDATA5_SIZE); |
252b5132 | 2228 | id5->contents = d5; |
99ad8390 | 2229 | memset (d5, 0, PE_IDATA5_SIZE); |
252b5132 | 2230 | |
d643799d | 2231 | len = strlen (dll_filename) + 1; |
252b5132 | 2232 | if (len & 1) |
d643799d | 2233 | len++; |
fd361982 | 2234 | bfd_set_section_size (id7, len); |
1579bae1 | 2235 | d7 = xmalloc (len); |
252b5132 | 2236 | id7->contents = d7; |
47639182 | 2237 | strcpy ((char *) d7, dll_filename); |
e916811a CF |
2238 | /* If len was odd, the above |
2239 | strcpy leaves behind an undefined byte. That is harmless, | |
2240 | but we set it to 0 just so the binary dumps are pretty. */ | |
2241 | d7[len - 1] = 0; | |
252b5132 RH |
2242 | |
2243 | bfd_set_symtab (abfd, symtab, symptr); | |
2244 | ||
99ad8390 NC |
2245 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); |
2246 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); | |
252b5132 RH |
2247 | bfd_set_section_contents (abfd, id7, d7, 0, len); |
2248 | ||
2249 | bfd_make_readable (abfd); | |
2250 | return abfd; | |
2251 | } | |
2252 | ||
775cabad | 2253 | /* .text |
6c19b93b AM |
2254 | .global _function |
2255 | .global ___imp_function | |
2256 | .global __imp__function | |
775cabad | 2257 | _function: |
6c19b93b | 2258 | jmp *__imp__function: |
b7a26f91 | 2259 | |
6c19b93b AM |
2260 | .section idata$7 |
2261 | .long __head_my_dll | |
b7a26f91 | 2262 | |
6c19b93b | 2263 | .section .idata$5 |
775cabad NC |
2264 | ___imp_function: |
2265 | __imp__function: | |
2266 | iat? | |
6c19b93b | 2267 | .section .idata$4 |
775cabad | 2268 | iat? |
6c19b93b | 2269 | .section .idata$6 |
775cabad | 2270 | ID<ordinal>: |
6c19b93b AM |
2271 | .short <hint> |
2272 | .asciz "function" xlate? (add underscore, kill at) */ | |
775cabad | 2273 | |
e916811a | 2274 | static const unsigned char jmp_ix86_bytes[] = |
775cabad | 2275 | { |
252b5132 RH |
2276 | 0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90 |
2277 | }; | |
2278 | ||
c60b3806 JT |
2279 | static const unsigned char jmp_aarch64_bytes[] = |
2280 | { | |
16fea92c MH |
2281 | 0x10, 0x00, 0x00, 0x90, /* adrp x16, 0 */ |
2282 | 0x10, 0x02, 0x00, 0x91, /* add x16, x16, #0x0 */ | |
2283 | 0x10, 0x02, 0x40, 0xf9, /* ldr x16, [x16] */ | |
2284 | 0x00, 0x02, 0x1f, 0xd6 /* br x16 */ | |
c60b3806 JT |
2285 | }; |
2286 | ||
775cabad | 2287 | /* _function: |
6c19b93b AM |
2288 | mov.l ip+8,r0 |
2289 | mov.l @r0,r0 | |
2290 | jmp @r0 | |
2291 | nop | |
2292 | .dw __imp_function */ | |
344a211f | 2293 | |
e916811a | 2294 | static const unsigned char jmp_sh_bytes[] = |
775cabad | 2295 | { |
344a211f NC |
2296 | 0x01, 0xd0, 0x02, 0x60, 0x2b, 0x40, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 |
2297 | }; | |
2298 | ||
775cabad | 2299 | /* _function: |
6c19b93b AM |
2300 | lui $t0,<high:__imp_function> |
2301 | lw $t0,<low:__imp_function> | |
2302 | jr $t0 | |
2303 | nop */ | |
344a211f | 2304 | |
e916811a | 2305 | static const unsigned char jmp_mips_bytes[] = |
775cabad | 2306 | { |
344a211f NC |
2307 | 0x00, 0x00, 0x08, 0x3c, 0x00, 0x00, 0x08, 0x8d, |
2308 | 0x08, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 | |
2309 | }; | |
252b5132 | 2310 | |
e916811a | 2311 | static const unsigned char jmp_arm_bytes[] = |
53baae48 NC |
2312 | { |
2313 | 0x00, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc] */ | |
2314 | 0x00, 0xf0, 0x9c, 0xe5, /* ldr pc, [ip] */ | |
2315 | 0, 0, 0, 0 | |
2316 | }; | |
2317 | ||
2318 | ||
252b5132 | 2319 | static bfd * |
f38a2680 | 2320 | make_one (def_file_export *exp, bfd *parent, bool include_jmp_stub) |
252b5132 RH |
2321 | { |
2322 | asection *tx, *id7, *id5, *id4, *id6; | |
23a87948 | 2323 | unsigned char *td = NULL, *d7, *d5, *d4, *d6 = NULL; |
252b5132 RH |
2324 | int len; |
2325 | char *oname; | |
2326 | bfd *abfd; | |
e916811a | 2327 | const unsigned char *jmp_bytes = NULL; |
f0c87f88 | 2328 | int jmp_byte_count = 0; |
80d4e113 LB |
2329 | const char *internal_name = exp->internal_name; |
2330 | ||
2331 | if (!exp->flag_noname) | |
2332 | { | |
2333 | /* Check for a decorated symbol name */ | |
2334 | struct decoration_hash_entry *entry; | |
2335 | ||
2336 | entry = (struct decoration_hash_entry *) | |
2337 | bfd_hash_lookup (&(coff_hash_table (&link_info)->decoration_hash), | |
2338 | internal_name, false, false); | |
2339 | if (entry) | |
2340 | { | |
2341 | if (entry->decorated_link) | |
2342 | { | |
2343 | internal_name = entry->decorated_link->root.string; | |
2344 | ||
2345 | if (pe_details->underscored && internal_name[0] == '_') | |
2346 | internal_name++; | |
2347 | } | |
2348 | else | |
2349 | { | |
2350 | einfo (_("%P: error: NULL decorated name for %s\n"), internal_name); | |
2351 | } | |
2352 | } | |
2353 | } | |
c6c37250 | 2354 | |
54727719 NC |
2355 | /* Include the jump stub section only if it is needed. A jump |
2356 | stub is needed if the symbol being imported <sym> is a function | |
2357 | symbol and there is at least one undefined reference to that | |
2358 | symbol. In other words, if all the import references to <sym> are | |
2359 | explicitly through _declspec(dllimport) then the jump stub is not | |
2360 | needed. */ | |
2361 | if (include_jmp_stub) | |
c6c37250 | 2362 | { |
54727719 NC |
2363 | switch (pe_details->pe_arch) |
2364 | { | |
2365 | case PE_ARCH_i386: | |
2366 | jmp_bytes = jmp_ix86_bytes; | |
2367 | jmp_byte_count = sizeof (jmp_ix86_bytes); | |
2368 | break; | |
2369 | case PE_ARCH_sh: | |
2370 | jmp_bytes = jmp_sh_bytes; | |
2371 | jmp_byte_count = sizeof (jmp_sh_bytes); | |
2372 | break; | |
2373 | case PE_ARCH_mips: | |
2374 | jmp_bytes = jmp_mips_bytes; | |
2375 | jmp_byte_count = sizeof (jmp_mips_bytes); | |
2376 | break; | |
2377 | case PE_ARCH_arm: | |
54727719 NC |
2378 | case PE_ARCH_arm_wince: |
2379 | jmp_bytes = jmp_arm_bytes; | |
2380 | jmp_byte_count = sizeof (jmp_arm_bytes); | |
2381 | break; | |
c60b3806 JT |
2382 | case PE_ARCH_aarch64: |
2383 | jmp_bytes = jmp_aarch64_bytes; | |
2384 | jmp_byte_count = sizeof (jmp_aarch64_bytes); | |
2385 | break; | |
54727719 NC |
2386 | default: |
2387 | abort (); | |
2388 | } | |
c6c37250 | 2389 | } |
252b5132 | 2390 | |
639d467b NC |
2391 | if (asprintf (&oname, "%s_d%06d.o", dll_symname, tmp_seq) < 4) |
2392 | /* In theory we should return NULL here at let our caller decide what to | |
2393 | do. But currently the return value is not checked, just used, and | |
2394 | besides, this condition only happens when the system has run out of | |
2395 | memory. So just give up. */ | |
2396 | exit (EXIT_FAILURE); | |
252b5132 RH |
2397 | tmp_seq++; |
2398 | ||
2399 | abfd = bfd_create (oname, parent); | |
6f860418 | 2400 | free (oname); |
c6c37250 | 2401 | bfd_find_target (pe_details->object_target, abfd); |
252b5132 RH |
2402 | bfd_make_writable (abfd); |
2403 | ||
2404 | bfd_set_format (abfd, bfd_object); | |
c6c37250 | 2405 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); |
252b5132 RH |
2406 | |
2407 | symptr = 0; | |
17299ac7 NC |
2408 | symtab = xmalloc (12 * sizeof (asymbol *)); |
2409 | ||
2410 | tx = quick_section (abfd, ".text", SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY, 2); | |
252b5132 RH |
2411 | id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2); |
2412 | id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2); | |
2413 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); | |
2414 | id6 = quick_section (abfd, ".idata$6", SEC_HAS_CONTENTS, 2); | |
b34976b6 | 2415 | |
80d4e113 | 2416 | if (*internal_name == '@') |
c9e38879 | 2417 | { |
1579bae1 AM |
2418 | quick_symbol (abfd, U ("_head_"), dll_symname, "", UNDSEC, |
2419 | BSF_GLOBAL, 0); | |
54727719 | 2420 | if (include_jmp_stub) |
80d4e113 LB |
2421 | quick_symbol (abfd, "", internal_name, "", tx, BSF_GLOBAL, 0); |
2422 | quick_symbol (abfd, "__imp_", internal_name, "", id5, | |
1579bae1 | 2423 | BSF_GLOBAL, 0); |
c9e38879 NC |
2424 | /* Fastcall applies only to functions, |
2425 | so no need for auto-import symbol. */ | |
2426 | } | |
2427 | else | |
2428 | { | |
4b7f0676 NC |
2429 | quick_symbol (abfd, U ("_head_"), dll_symname, "", UNDSEC, |
2430 | BSF_GLOBAL, 0); | |
54727719 | 2431 | if (include_jmp_stub) |
80d4e113 | 2432 | quick_symbol (abfd, U (""), internal_name, "", tx, |
1579bae1 | 2433 | BSF_GLOBAL, 0); |
80d4e113 | 2434 | quick_symbol (abfd, "__imp_", U (""), internal_name, id5, |
1579bae1 | 2435 | BSF_GLOBAL, 0); |
c9e38879 | 2436 | /* Symbol to reference ord/name of imported |
1579bae1 | 2437 | data symbol, used to implement auto-import. */ |
c9e38879 | 2438 | if (exp->flag_data) |
80d4e113 | 2439 | quick_symbol (abfd, "__nm_", U (""), internal_name, id6, |
1579bae1 | 2440 | BSF_GLOBAL,0); |
c9e38879 | 2441 | } |
870df5dc | 2442 | if (pe_dll_compat_implib) |
80d4e113 | 2443 | quick_symbol (abfd, "___imp_", internal_name, "", id5, |
1579bae1 | 2444 | BSF_GLOBAL, 0); |
252b5132 | 2445 | |
54727719 | 2446 | if (include_jmp_stub) |
775cabad | 2447 | { |
fd361982 | 2448 | bfd_set_section_size (tx, jmp_byte_count); |
1579bae1 | 2449 | td = xmalloc (jmp_byte_count); |
775cabad NC |
2450 | tx->contents = td; |
2451 | memcpy (td, jmp_bytes, jmp_byte_count); | |
2452 | ||
2453 | switch (pe_details->pe_arch) | |
2454 | { | |
2455 | case PE_ARCH_i386: | |
c60b3806 | 2456 | #ifdef pe_use_plus |
591a748a NC |
2457 | quick_reloc (abfd, 2, BFD_RELOC_32_PCREL, 2); |
2458 | #else | |
17299ac7 NC |
2459 | /* Mark this object as SAFESEH compatible. */ |
2460 | quick_symbol (abfd, "", "@feat.00", "", bfd_abs_section_ptr, | |
2461 | BSF_LOCAL, 1); | |
6c19b93b | 2462 | quick_reloc (abfd, 2, BFD_RELOC_32, 2); |
591a748a | 2463 | #endif |
775cabad NC |
2464 | break; |
2465 | case PE_ARCH_sh: | |
2466 | quick_reloc (abfd, 8, BFD_RELOC_32, 2); | |
2467 | break; | |
2468 | case PE_ARCH_mips: | |
2469 | quick_reloc (abfd, 0, BFD_RELOC_HI16_S, 2); | |
2470 | quick_reloc (abfd, 0, BFD_RELOC_LO16, 0); /* MIPS_R_PAIR */ | |
2471 | quick_reloc (abfd, 4, BFD_RELOC_LO16, 2); | |
2472 | break; | |
53baae48 | 2473 | case PE_ARCH_arm: |
6c19b93b | 2474 | case PE_ARCH_arm_wince: |
53baae48 NC |
2475 | quick_reloc (abfd, 8, BFD_RELOC_32, 2); |
2476 | break; | |
c60b3806 | 2477 | case PE_ARCH_aarch64: |
16fea92c MH |
2478 | quick_reloc (abfd, 0, BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL, 2); |
2479 | quick_reloc (abfd, 4, BFD_RELOC_AARCH64_ADD_LO12, 2); | |
c60b3806 | 2480 | break; |
775cabad NC |
2481 | default: |
2482 | abort (); | |
2483 | } | |
2484 | save_relocs (tx); | |
2485 | } | |
54727719 | 2486 | else |
fd361982 | 2487 | bfd_set_section_size (tx, 0); |
252b5132 | 2488 | |
fd361982 | 2489 | bfd_set_section_size (id7, 4); |
1579bae1 | 2490 | d7 = xmalloc (4); |
252b5132 RH |
2491 | id7->contents = d7; |
2492 | memset (d7, 0, 4); | |
4b7f0676 | 2493 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 5); |
252b5132 RH |
2494 | save_relocs (id7); |
2495 | ||
fd361982 | 2496 | bfd_set_section_size (id5, PE_IDATA5_SIZE); |
99ad8390 | 2497 | d5 = xmalloc (PE_IDATA5_SIZE); |
252b5132 | 2498 | id5->contents = d5; |
99ad8390 | 2499 | memset (d5, 0, PE_IDATA5_SIZE); |
775cabad | 2500 | |
252b5132 RH |
2501 | if (exp->flag_noname) |
2502 | { | |
2503 | d5[0] = exp->ordinal; | |
2504 | d5[1] = exp->ordinal >> 8; | |
99ad8390 | 2505 | d5[PE_IDATA5_SIZE - 1] = 0x80; |
252b5132 RH |
2506 | } |
2507 | else | |
2508 | { | |
2509 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 4); | |
2510 | save_relocs (id5); | |
2511 | } | |
2512 | ||
fd361982 | 2513 | bfd_set_section_size (id4, PE_IDATA4_SIZE); |
99ad8390 | 2514 | d4 = xmalloc (PE_IDATA4_SIZE); |
252b5132 | 2515 | id4->contents = d4; |
99ad8390 | 2516 | memset (d4, 0, PE_IDATA4_SIZE); |
775cabad | 2517 | |
252b5132 RH |
2518 | if (exp->flag_noname) |
2519 | { | |
c2a94a7a DD |
2520 | d4[0] = exp->ordinal; |
2521 | d4[1] = exp->ordinal >> 8; | |
99ad8390 | 2522 | d4[PE_IDATA4_SIZE - 1] = 0x80; |
252b5132 RH |
2523 | } |
2524 | else | |
2525 | { | |
2526 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 4); | |
2527 | save_relocs (id4); | |
2528 | } | |
2529 | ||
2530 | if (exp->flag_noname) | |
2531 | { | |
2532 | len = 0; | |
fd361982 | 2533 | bfd_set_section_size (id6, 0); |
252b5132 RH |
2534 | } |
2535 | else | |
2536 | { | |
4ee1d7e4 R |
2537 | int ord; |
2538 | ||
e916811a | 2539 | /* { short, asciz } */ |
7fcab871 KT |
2540 | if (exp->its_name) |
2541 | len = 2 + strlen (exp->its_name) + 1; | |
2542 | else | |
2543 | len = 2 + strlen (exp->name) + 1; | |
252b5132 RH |
2544 | if (len & 1) |
2545 | len++; | |
fd361982 | 2546 | bfd_set_section_size (id6, len); |
1579bae1 | 2547 | d6 = xmalloc (len); |
252b5132 RH |
2548 | id6->contents = d6; |
2549 | memset (d6, 0, len); | |
4ee1d7e4 R |
2550 | |
2551 | /* PR 20880: Use exp->hint as a backup, just in case exp->ordinal | |
2552 | contains an invalid value (-1). */ | |
2553 | ord = (exp->ordinal >= 0) ? exp->ordinal : exp->hint; | |
2554 | d6[0] = ord; | |
2555 | d6[1] = ord >> 8; | |
2556 | ||
7fcab871 KT |
2557 | if (exp->its_name) |
2558 | strcpy ((char*) d6 + 2, exp->its_name); | |
2559 | else | |
2560 | strcpy ((char *) d6 + 2, exp->name); | |
252b5132 RH |
2561 | } |
2562 | ||
2563 | bfd_set_symtab (abfd, symtab, symptr); | |
2564 | ||
54727719 NC |
2565 | if (include_jmp_stub) |
2566 | bfd_set_section_contents (abfd, tx, td, 0, jmp_byte_count); | |
252b5132 | 2567 | bfd_set_section_contents (abfd, id7, d7, 0, 4); |
99ad8390 NC |
2568 | bfd_set_section_contents (abfd, id5, d5, 0, PE_IDATA5_SIZE); |
2569 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE); | |
252b5132 RH |
2570 | if (!exp->flag_noname) |
2571 | bfd_set_section_contents (abfd, id6, d6, 0, len); | |
2572 | ||
2573 | bfd_make_readable (abfd); | |
2574 | return abfd; | |
2575 | } | |
2576 | ||
b044cda1 | 2577 | static bfd * |
1579bae1 | 2578 | make_singleton_name_thunk (const char *import, bfd *parent) |
b044cda1 | 2579 | { |
775cabad | 2580 | /* Name thunks go to idata$4. */ |
b044cda1 CW |
2581 | asection *id4; |
2582 | unsigned char *d4; | |
2583 | char *oname; | |
2584 | bfd *abfd; | |
2585 | ||
639d467b NC |
2586 | if (asprintf (&oname, "%s_nmth%06d.o", dll_symname, tmp_seq) < 4) |
2587 | /* In theory we should return NULL here at let our caller decide what to | |
2588 | do. But currently the return value is not checked, just used, and | |
2589 | besides, this condition only happens when the system has run out of | |
2590 | memory. So just give up. */ | |
2591 | exit (EXIT_FAILURE); | |
b044cda1 CW |
2592 | tmp_seq++; |
2593 | ||
2594 | abfd = bfd_create (oname, parent); | |
6f860418 | 2595 | free (oname); |
b044cda1 CW |
2596 | bfd_find_target (pe_details->object_target, abfd); |
2597 | bfd_make_writable (abfd); | |
2598 | ||
2599 | bfd_set_format (abfd, bfd_object); | |
2600 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2601 | ||
2602 | symptr = 0; | |
1579bae1 | 2603 | symtab = xmalloc (3 * sizeof (asymbol *)); |
b044cda1 | 2604 | id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2); |
17f73277 KT |
2605 | quick_symbol (abfd, "__nm_thnk_", import, "", id4, BSF_GLOBAL, 0); |
2606 | quick_symbol (abfd, "__nm_", import, "", UNDSEC, BSF_GLOBAL, 0); | |
b044cda1 | 2607 | |
4e986257 | 2608 | /* We need space for the real thunk and for the null terminator. */ |
fd361982 | 2609 | bfd_set_section_size (id4, PE_IDATA4_SIZE * 2); |
4e986257 | 2610 | d4 = xmalloc (PE_IDATA4_SIZE * 2); |
b044cda1 | 2611 | id4->contents = d4; |
4e986257 | 2612 | memset (d4, 0, PE_IDATA4_SIZE * 2); |
b044cda1 CW |
2613 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 2); |
2614 | save_relocs (id4); | |
2615 | ||
2616 | bfd_set_symtab (abfd, symtab, symptr); | |
2617 | ||
4e986257 | 2618 | bfd_set_section_contents (abfd, id4, d4, 0, PE_IDATA4_SIZE * 2); |
b044cda1 CW |
2619 | |
2620 | bfd_make_readable (abfd); | |
2621 | return abfd; | |
2622 | } | |
2623 | ||
317ff008 | 2624 | static const char * |
fbea1508 | 2625 | make_import_fixup_mark (arelent *rel, char *name) |
b044cda1 | 2626 | { |
775cabad | 2627 | /* We convert reloc to symbol, for later reference. */ |
fbea1508 | 2628 | static unsigned int counter; |
fc0a2244 | 2629 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
b044cda1 | 2630 | bfd *abfd = bfd_asymbol_bfd (sym); |
fe213ce2 | 2631 | struct bfd_link_hash_entry *bh; |
639d467b | 2632 | char *fixup_name, buf[256]; |
fbea1508 | 2633 | size_t prefix_len; |
b044cda1 | 2634 | |
fbea1508 AM |
2635 | /* "name" buffer has space before the symbol name for prefixes. */ |
2636 | sprintf (buf, "__fu%d_", counter++); | |
2637 | prefix_len = strlen (buf); | |
2638 | fixup_name = name - prefix_len; | |
2639 | memcpy (fixup_name, buf, prefix_len); | |
b044cda1 | 2640 | |
fe213ce2 | 2641 | bh = NULL; |
b7a26f91 | 2642 | bfd_coff_link_add_one_symbol (&link_info, abfd, fixup_name, BSF_GLOBAL, |
b044cda1 | 2643 | current_sec, /* sym->section, */ |
f38a2680 | 2644 | rel->address, NULL, true, false, &bh); |
fe213ce2 | 2645 | |
317ff008 | 2646 | return bh->root.string; |
b044cda1 CW |
2647 | } |
2648 | ||
53baae48 | 2649 | /* .section .idata$2 |
6c19b93b AM |
2650 | .rva __nm_thnk_SYM (singleton thunk with name of func) |
2651 | .long 0 | |
2652 | .long 0 | |
2653 | .rva __my_dll_iname (name of dll) | |
2654 | .rva __fuNN_SYM (pointer to reference (address) in text) */ | |
b044cda1 CW |
2655 | |
2656 | static bfd * | |
1579bae1 AM |
2657 | make_import_fixup_entry (const char *name, |
2658 | const char *fixup_name, | |
91d6fa6a | 2659 | const char *symname, |
1579bae1 | 2660 | bfd *parent) |
b044cda1 | 2661 | { |
53baae48 NC |
2662 | asection *id2; |
2663 | unsigned char *d2; | |
b044cda1 CW |
2664 | char *oname; |
2665 | bfd *abfd; | |
2666 | ||
639d467b NC |
2667 | if (asprintf (&oname, "%s_fu%06d.o", dll_symname, tmp_seq) < 4) |
2668 | /* In theory we should return NULL here at let our caller decide what to | |
2669 | do. But currently the return value is not checked, just used, and | |
2670 | besides, this condition only happens when the system has run out of | |
2671 | memory. So just give up. */ | |
2672 | exit (EXIT_FAILURE); | |
b044cda1 CW |
2673 | tmp_seq++; |
2674 | ||
2675 | abfd = bfd_create (oname, parent); | |
6f860418 | 2676 | free (oname); |
b044cda1 CW |
2677 | bfd_find_target (pe_details->object_target, abfd); |
2678 | bfd_make_writable (abfd); | |
2679 | ||
2680 | bfd_set_format (abfd, bfd_object); | |
2681 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2682 | ||
2683 | symptr = 0; | |
1579bae1 | 2684 | symtab = xmalloc (6 * sizeof (asymbol *)); |
53baae48 | 2685 | id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2); |
775cabad | 2686 | |
17f73277 | 2687 | quick_symbol (abfd, "__nm_thnk_", name, "", UNDSEC, BSF_GLOBAL, 0); |
91d6fa6a | 2688 | quick_symbol (abfd, U (""), symname, "_iname", UNDSEC, BSF_GLOBAL, 0); |
317ff008 | 2689 | quick_symbol (abfd, "", fixup_name, "", UNDSEC, BSF_GLOBAL, 0); |
b044cda1 | 2690 | |
fd361982 | 2691 | bfd_set_section_size (id2, 20); |
53baae48 NC |
2692 | d2 = xmalloc (20); |
2693 | id2->contents = d2; | |
2694 | memset (d2, 0, 20); | |
b044cda1 CW |
2695 | |
2696 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 1); | |
2697 | quick_reloc (abfd, 12, BFD_RELOC_RVA, 2); | |
2698 | quick_reloc (abfd, 16, BFD_RELOC_RVA, 3); | |
53baae48 | 2699 | save_relocs (id2); |
b044cda1 CW |
2700 | |
2701 | bfd_set_symtab (abfd, symtab, symptr); | |
2702 | ||
53baae48 | 2703 | bfd_set_section_contents (abfd, id2, d2, 0, 20); |
b044cda1 CW |
2704 | |
2705 | bfd_make_readable (abfd); | |
2706 | return abfd; | |
2707 | } | |
2708 | ||
2fa9fc65 | 2709 | /* .section .rdata_runtime_pseudo_reloc |
6c19b93b AM |
2710 | .long addend |
2711 | .rva __fuNN_SYM (pointer to reference (address) in text) */ | |
2fa9fc65 NC |
2712 | |
2713 | static bfd * | |
1579bae1 AM |
2714 | make_runtime_pseudo_reloc (const char *name ATTRIBUTE_UNUSED, |
2715 | const char *fixup_name, | |
6cb442d3 KT |
2716 | bfd_vma addend ATTRIBUTE_UNUSED, |
2717 | bfd_vma bitsize, | |
1579bae1 | 2718 | bfd *parent) |
2fa9fc65 NC |
2719 | { |
2720 | asection *rt_rel; | |
2721 | unsigned char *rt_rel_d; | |
2722 | char *oname; | |
2723 | bfd *abfd; | |
317ff008 EB |
2724 | bfd_size_type size; |
2725 | ||
639d467b NC |
2726 | if (asprintf (&oname, "%s_rtr%06d.o", dll_symname, tmp_seq) < 4) |
2727 | /* In theory we should return NULL here at let our caller decide what to | |
2728 | do. But currently the return value is not checked, just used, and | |
2729 | besides, this condition only happens when the system has run out of | |
2730 | memory. So just give up. */ | |
2731 | exit (EXIT_FAILURE); | |
2fa9fc65 NC |
2732 | tmp_seq++; |
2733 | ||
2734 | abfd = bfd_create (oname, parent); | |
6f860418 | 2735 | free (oname); |
2fa9fc65 NC |
2736 | bfd_find_target (pe_details->object_target, abfd); |
2737 | bfd_make_writable (abfd); | |
2738 | ||
2739 | bfd_set_format (abfd, bfd_object); | |
2740 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2741 | ||
acac4c69 KT |
2742 | if (link_info.pei386_runtime_pseudo_reloc == 2) |
2743 | { | |
317ff008 EB |
2744 | if (runtime_pseudp_reloc_v2_init) |
2745 | size = 3 * sizeof (asymbol *); | |
2746 | else | |
2747 | size = 6 * sizeof (asymbol *); | |
acac4c69 KT |
2748 | } |
2749 | else | |
317ff008 EB |
2750 | size = 2 * sizeof (asymbol *); |
2751 | ||
2752 | symptr = 0; | |
2753 | symtab = xmalloc (size); | |
2754 | ||
2755 | rt_rel | |
2756 | = quick_section (abfd, ".rdata_runtime_pseudo_reloc", SEC_HAS_CONTENTS, 2); | |
defb8817 | 2757 | bfd_coff_set_long_section_names (abfd, true); |
2fa9fc65 NC |
2758 | |
2759 | quick_symbol (abfd, "", fixup_name, "", UNDSEC, BSF_GLOBAL, 0); | |
2760 | ||
6cb442d3 KT |
2761 | if (link_info.pei386_runtime_pseudo_reloc == 2) |
2762 | { | |
317ff008 EB |
2763 | size = 12; |
2764 | if (!runtime_pseudp_reloc_v2_init) | |
2765 | { | |
2766 | size += 12; | |
f38a2680 | 2767 | runtime_pseudp_reloc_v2_init = true; |
317ff008 EB |
2768 | } |
2769 | ||
17f73277 | 2770 | quick_symbol (abfd, "__imp_", name, "", UNDSEC, BSF_GLOBAL, 0); |
6cb442d3 | 2771 | |
fd361982 | 2772 | bfd_set_section_size (rt_rel, size); |
6cb442d3 KT |
2773 | rt_rel_d = xmalloc (size); |
2774 | rt_rel->contents = rt_rel_d; | |
2775 | memset (rt_rel_d, 0, size); | |
317ff008 EB |
2776 | quick_reloc (abfd, size - 8, BFD_RELOC_RVA, 1); |
2777 | quick_reloc (abfd, size - 12, BFD_RELOC_RVA, 2); | |
2778 | bfd_put_32 (abfd, bitsize, rt_rel_d + (size - 4)); | |
2779 | if (size != 12) | |
2780 | bfd_put_32 (abfd, 1, rt_rel_d + 8); | |
6cb442d3 KT |
2781 | save_relocs (rt_rel); |
2782 | ||
2783 | bfd_set_symtab (abfd, symtab, symptr); | |
2784 | ||
2785 | bfd_set_section_contents (abfd, rt_rel, rt_rel_d, 0, size); | |
317ff008 | 2786 | } |
6cb442d3 | 2787 | else |
317ff008 | 2788 | { |
fd361982 | 2789 | bfd_set_section_size (rt_rel, 8); |
6cb442d3 KT |
2790 | rt_rel_d = xmalloc (8); |
2791 | rt_rel->contents = rt_rel_d; | |
2792 | memset (rt_rel_d, 0, 8); | |
2fa9fc65 | 2793 | |
6cb442d3 KT |
2794 | bfd_put_32 (abfd, addend, rt_rel_d); |
2795 | quick_reloc (abfd, 4, BFD_RELOC_RVA, 1); | |
2fa9fc65 | 2796 | |
6cb442d3 | 2797 | save_relocs (rt_rel); |
2fa9fc65 | 2798 | |
6cb442d3 | 2799 | bfd_set_symtab (abfd, symtab, symptr); |
2fa9fc65 | 2800 | |
6cb442d3 KT |
2801 | bfd_set_section_contents (abfd, rt_rel, rt_rel_d, 0, 8); |
2802 | } | |
317ff008 | 2803 | |
2fa9fc65 NC |
2804 | bfd_make_readable (abfd); |
2805 | return abfd; | |
2806 | } | |
2807 | ||
2808 | /* .section .rdata | |
6c19b93b | 2809 | .rva __pei386_runtime_relocator */ |
2fa9fc65 NC |
2810 | |
2811 | static bfd * | |
1579bae1 | 2812 | pe_create_runtime_relocator_reference (bfd *parent) |
2fa9fc65 NC |
2813 | { |
2814 | asection *extern_rt_rel; | |
2815 | unsigned char *extern_rt_rel_d; | |
2816 | char *oname; | |
2817 | bfd *abfd; | |
2818 | ||
639d467b NC |
2819 | if (asprintf (&oname, "%s_ertr%06d.o", dll_symname, tmp_seq) < 4) |
2820 | /* In theory we should return NULL here at let our caller decide what to | |
2821 | do. But currently the return value is not checked, just used, and | |
2822 | besides, this condition only happens when the system has run out of | |
2823 | memory. So just give up. */ | |
2824 | exit (EXIT_FAILURE); | |
2fa9fc65 NC |
2825 | tmp_seq++; |
2826 | ||
2827 | abfd = bfd_create (oname, parent); | |
6f860418 | 2828 | free (oname); |
2fa9fc65 NC |
2829 | bfd_find_target (pe_details->object_target, abfd); |
2830 | bfd_make_writable (abfd); | |
2831 | ||
2832 | bfd_set_format (abfd, bfd_object); | |
2833 | bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0); | |
2834 | ||
2835 | symptr = 0; | |
1579bae1 | 2836 | symtab = xmalloc (2 * sizeof (asymbol *)); |
2fa9fc65 NC |
2837 | extern_rt_rel = quick_section (abfd, ".rdata", SEC_HAS_CONTENTS, 2); |
2838 | ||
00479ba8 | 2839 | quick_symbol (abfd, "", U ("_pei386_runtime_relocator"), "", UNDSEC, |
1579bae1 | 2840 | BSF_NO_FLAGS, 0); |
2fa9fc65 | 2841 | |
fd361982 | 2842 | bfd_set_section_size (extern_rt_rel, PE_IDATA5_SIZE); |
8d5c4b7b | 2843 | extern_rt_rel_d = xcalloc (1, PE_IDATA5_SIZE); |
2fa9fc65 NC |
2844 | extern_rt_rel->contents = extern_rt_rel_d; |
2845 | ||
2846 | quick_reloc (abfd, 0, BFD_RELOC_RVA, 1); | |
2847 | save_relocs (extern_rt_rel); | |
2848 | ||
2849 | bfd_set_symtab (abfd, symtab, symptr); | |
2850 | ||
9382254d | 2851 | bfd_set_section_contents (abfd, extern_rt_rel, extern_rt_rel_d, 0, PE_IDATA5_SIZE); |
2fa9fc65 NC |
2852 | |
2853 | bfd_make_readable (abfd); | |
2854 | return abfd; | |
2855 | } | |
2856 | ||
b044cda1 | 2857 | void |
317ff008 EB |
2858 | pe_create_import_fixup (arelent *rel, asection *s, bfd_vma addend, char *name, |
2859 | const char *symname) | |
b044cda1 | 2860 | { |
317ff008 | 2861 | const char *fixup_name = make_import_fixup_mark (rel, name); |
2fa9fc65 | 2862 | bfd *b; |
b044cda1 | 2863 | |
317ff008 EB |
2864 | /* This is the original implementation of the auto-import feature, which |
2865 | primarily relied on the OS loader to patch things up with some help | |
2866 | from the pseudo-relocator to overcome the main limitation. See the | |
2867 | comment at the beginning of the file for an overview of the feature. */ | |
2868 | if (link_info.pei386_runtime_pseudo_reloc != 2) | |
b044cda1 | 2869 | { |
317ff008 EB |
2870 | struct bfd_link_hash_entry *name_thunk_sym; |
2871 | /* name buffer is allocated with space at beginning for prefixes. */ | |
2872 | char *thname = name - (sizeof "__nm_thnk_" - 1); | |
2873 | memcpy (thname, "__nm_thnk_", sizeof "__nm_thnk_" - 1); | |
2874 | name_thunk_sym = bfd_link_hash_lookup (link_info.hash, thname, 0, 0, 1); | |
b044cda1 | 2875 | |
317ff008 | 2876 | if (!(name_thunk_sym && name_thunk_sym->type == bfd_link_hash_defined)) |
6c19b93b | 2877 | { |
317ff008 | 2878 | b = make_singleton_name_thunk (name, link_info.output_bfd); |
607b4833 | 2879 | add_bfd_to_link (b, bfd_get_filename (b), &link_info); |
317ff008 EB |
2880 | |
2881 | /* If we ever use autoimport, we have to cast text section writable. */ | |
f38a2680 | 2882 | config.text_read_only = false; |
6c19b93b AM |
2883 | link_info.output_bfd->flags &= ~WP_TEXT; |
2884 | } | |
317ff008 EB |
2885 | |
2886 | if (addend == 0 || link_info.pei386_runtime_pseudo_reloc == 1) | |
6c19b93b | 2887 | { |
317ff008 EB |
2888 | b = make_import_fixup_entry (name, fixup_name, symname, |
2889 | link_info.output_bfd); | |
607b4833 | 2890 | add_bfd_to_link (b, bfd_get_filename (b), &link_info); |
9382254d | 2891 | } |
b044cda1 CW |
2892 | } |
2893 | ||
317ff008 EB |
2894 | /* In the original implementation, the pseudo-relocator was only used when |
2895 | the addend was not null. In the new implementation, the OS loader is | |
2896 | completely bypassed and the pseudo-relocator does the entire work. */ | |
2897 | if ((addend != 0 && link_info.pei386_runtime_pseudo_reloc == 1) | |
6c19b93b AM |
2898 | || link_info.pei386_runtime_pseudo_reloc == 2) |
2899 | { | |
2900 | if (pe_dll_extra_pe_debug) | |
2901 | printf ("creating runtime pseudo-reloc entry for %s (addend=%d)\n", | |
2902 | fixup_name, (int) addend); | |
6cb442d3 | 2903 | |
678dc756 AM |
2904 | b = make_runtime_pseudo_reloc (name, fixup_name, addend, |
2905 | rel->howto->bitsize, | |
6c19b93b | 2906 | link_info.output_bfd); |
607b4833 | 2907 | add_bfd_to_link (b, bfd_get_filename (b), &link_info); |
6cb442d3 | 2908 | |
317ff008 | 2909 | if (runtime_pseudo_relocs_created++ == 0) |
6c19b93b AM |
2910 | { |
2911 | b = pe_create_runtime_relocator_reference (link_info.output_bfd); | |
607b4833 | 2912 | add_bfd_to_link (b, bfd_get_filename (b), &link_info); |
6c19b93b | 2913 | } |
6c19b93b | 2914 | } |
317ff008 | 2915 | |
6c19b93b | 2916 | else if (addend != 0) |
02d2a369 | 2917 | einfo (_("%X%P: %H: variable '%pT' can't be auto-imported; please read the documentation for ld's --enable-auto-import for details\n"), |
317ff008 | 2918 | s->owner, s, rel->address, (*rel->sym_ptr_ptr)->name); |
b044cda1 CW |
2919 | } |
2920 | ||
252b5132 | 2921 | void |
e1c37eb5 | 2922 | pe_dll_generate_implib (def_file *def, const char *impfilename, struct bfd_link_info *info) |
252b5132 RH |
2923 | { |
2924 | int i; | |
2925 | bfd *ar_head; | |
2926 | bfd *ar_tail; | |
2927 | bfd *outarch; | |
e1c37eb5 | 2928 | bfd *ibfd; |
252b5132 RH |
2929 | bfd *head = 0; |
2930 | ||
bb14f524 | 2931 | unlink_if_ordinary (impfilename); |
252b5132 RH |
2932 | |
2933 | outarch = bfd_openw (impfilename, 0); | |
2934 | ||
2935 | if (!outarch) | |
2936 | { | |
2937 | /* xgettext:c-format */ | |
df5f2391 | 2938 | einfo (_("%X%P: can't open .lib file: %s\n"), impfilename); |
252b5132 RH |
2939 | return; |
2940 | } | |
2941 | ||
cd6f1cf3 NC |
2942 | if (verbose) |
2943 | /* xgettext:c-format */ | |
2944 | info_msg (_("Creating library file: %s\n"), impfilename); | |
9382254d | 2945 | |
252b5132 RH |
2946 | bfd_set_format (outarch, bfd_archive); |
2947 | outarch->has_armap = 1; | |
2948 | ||
5cc18311 | 2949 | /* Work out a reasonable size of things to put onto one line. */ |
252b5132 | 2950 | ar_head = make_head (outarch); |
252b5132 | 2951 | |
e1c37eb5 | 2952 | /* Iterate the input BFDs, looking for exclude-modules-for-implib. */ |
c72f2fb2 | 2953 | for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link.next) |
e1c37eb5 DK |
2954 | { |
2955 | /* Iterate the exclude list. */ | |
2956 | struct exclude_list_struct *ex; | |
2957 | char found; | |
2958 | for (ex = excludes, found = 0; ex && !found; ex = ex->next) | |
2959 | { | |
2960 | if (ex->type != EXCLUDEFORIMPLIB) | |
2961 | continue; | |
607b4833 | 2962 | found = (filename_cmp (ex->string, bfd_get_filename (ibfd)) == 0); |
e1c37eb5 DK |
2963 | } |
2964 | /* If it matched, we must open a fresh BFD for it (the original | |
6c19b93b AM |
2965 | input BFD is still needed for the DLL's final link) and add |
2966 | it into the archive member chain. */ | |
e1c37eb5 DK |
2967 | if (found) |
2968 | { | |
9382254d | 2969 | bfd *newbfd = bfd_openr (ibfd->my_archive |
607b4833 AM |
2970 | ? bfd_get_filename (ibfd->my_archive) |
2971 | : bfd_get_filename (ibfd), NULL); | |
e1c37eb5 DK |
2972 | if (!newbfd) |
2973 | { | |
607b4833 | 2974 | einfo (_("%X%P: bfd_openr %s: %E\n"), bfd_get_filename (ibfd)); |
e1c37eb5 DK |
2975 | return; |
2976 | } | |
2977 | if (ibfd->my_archive) | |
2978 | { | |
2979 | /* Must now iterate through archive until we find the | |
2980 | required member. A minor shame that we'll open the | |
2981 | archive once per member that we require from it, and | |
2982 | leak those archive bfds rather than reuse them. */ | |
2983 | bfd *arbfd = newbfd; | |
2984 | if (!bfd_check_format_matches (arbfd, bfd_archive, NULL)) | |
2985 | { | |
df5f2391 | 2986 | einfo (_("%X%P: %s(%s): can't find member in non-archive file"), |
607b4833 AM |
2987 | bfd_get_filename (ibfd->my_archive), |
2988 | bfd_get_filename (ibfd)); | |
e1c37eb5 DK |
2989 | return; |
2990 | } | |
2991 | newbfd = NULL; | |
2992 | while ((newbfd = bfd_openr_next_archived_file (arbfd, newbfd)) != 0) | |
2993 | { | |
607b4833 AM |
2994 | if (filename_cmp (bfd_get_filename (newbfd), |
2995 | bfd_get_filename (ibfd)) == 0) | |
e1c37eb5 DK |
2996 | break; |
2997 | } | |
2998 | if (!newbfd) | |
2999 | { | |
df5f2391 | 3000 | einfo (_("%X%P: %s(%s): can't find member in archive"), |
607b4833 AM |
3001 | bfd_get_filename (ibfd->my_archive), |
3002 | bfd_get_filename (ibfd)); | |
e1c37eb5 DK |
3003 | return; |
3004 | } | |
3005 | } | |
3006 | newbfd->archive_next = head; | |
3007 | head = newbfd; | |
3008 | } | |
3009 | } | |
3010 | ||
d643799d | 3011 | for (i = 0; i < def->num_exports; i++) |
252b5132 | 3012 | { |
86b1cc60 | 3013 | /* The import library doesn't know about the internal name. */ |
252b5132 RH |
3014 | char *internal = def->exports[i].internal_name; |
3015 | bfd *n; | |
775cabad | 3016 | |
9382254d | 3017 | /* Don't add PRIVATE entries to import lib. */ |
ee31fbd0 NC |
3018 | if (pe_def_file->exports[i].flag_private) |
3019 | continue; | |
41f46ed9 | 3020 | |
252b5132 | 3021 | def->exports[i].internal_name = def->exports[i].name; |
41f46ed9 SKS |
3022 | |
3023 | /* PR 19803: If a symbol has been discard due to garbage | |
3024 | collection then do not create any exports for it. */ | |
3025 | { | |
3026 | struct coff_link_hash_entry *h; | |
3027 | ||
3028 | h = coff_link_hash_lookup (coff_hash_table (info), internal, | |
f38a2680 | 3029 | false, false, false); |
41f46ed9 SKS |
3030 | if (h != NULL |
3031 | /* If the symbol is hidden and undefined then it | |
3032 | has been swept up by garbage collection. */ | |
3033 | && h->symbol_class == C_HIDDEN | |
3034 | && h->root.u.def.section == bfd_und_section_ptr) | |
3035 | continue; | |
3036 | ||
3037 | /* If necessary, check with an underscore prefix as well. */ | |
3038 | if (pe_details->underscored && internal[0] != '@') | |
3039 | { | |
3040 | char *name; | |
3041 | ||
3042 | name = xmalloc (strlen (internal) + 2); | |
3043 | sprintf (name, "_%s", internal); | |
3044 | ||
3045 | h = coff_link_hash_lookup (coff_hash_table (info), name, | |
f38a2680 | 3046 | false, false, false); |
41f46ed9 SKS |
3047 | free (name); |
3048 | ||
3049 | if (h != NULL | |
3050 | /* If the symbol is hidden and undefined then it | |
3051 | has been swept up by garbage collection. */ | |
3052 | && h->symbol_class == C_HIDDEN | |
3053 | && h->root.u.def.section == bfd_und_section_ptr) | |
3054 | continue; | |
3055 | } | |
3056 | } | |
3057 | ||
678dc756 | 3058 | n = make_one (def->exports + i, outarch, !(def->exports + i)->flag_data); |
cc481421 | 3059 | n->archive_next = head; |
252b5132 RH |
3060 | head = n; |
3061 | def->exports[i].internal_name = internal; | |
3062 | } | |
3063 | ||
c6c37250 DD |
3064 | ar_tail = make_tail (outarch); |
3065 | ||
3066 | if (ar_head == NULL || ar_tail == NULL) | |
3067 | return; | |
3068 | ||
86b1cc60 | 3069 | /* Now stick them all into the archive. */ |
cc481421 AM |
3070 | ar_head->archive_next = head; |
3071 | ar_tail->archive_next = ar_head; | |
252b5132 RH |
3072 | head = ar_tail; |
3073 | ||
3074 | if (! bfd_set_archive_head (outarch, head)) | |
df5f2391 | 3075 | einfo ("%X%P: bfd_set_archive_head: %E\n"); |
5cc18311 | 3076 | |
252b5132 | 3077 | if (! bfd_close (outarch)) |
df5f2391 | 3078 | einfo ("%X%P: bfd_close %s: %E\n", impfilename); |
252b5132 RH |
3079 | |
3080 | while (head != NULL) | |
3081 | { | |
cc481421 | 3082 | bfd *n = head->archive_next; |
252b5132 RH |
3083 | bfd_close (head); |
3084 | head = n; | |
3085 | } | |
3086 | } | |
3087 | ||
aeb1f0e8 KT |
3088 | static int undef_count = 0; |
3089 | ||
3090 | struct key_value | |
3091 | { | |
3092 | char *key; | |
3093 | const char *oname; | |
3094 | }; | |
3095 | ||
d66ac08f | 3096 | static struct key_value *udef_table; |
aeb1f0e8 KT |
3097 | |
3098 | static int undef_sort_cmp (const void *l1, const void *r1) | |
3099 | { | |
3100 | const struct key_value *l = l1; | |
3101 | const struct key_value *r = r1; | |
3102 | ||
3103 | return strcmp (l->key, r->key); | |
3104 | } | |
3105 | ||
3106 | static struct bfd_link_hash_entry * | |
3107 | pe_find_cdecl_alias_match (struct bfd_link_info *linfo, char *name) | |
3108 | { | |
3109 | struct bfd_link_hash_entry *h = NULL; | |
3110 | struct key_value *kv; | |
3111 | struct key_value key; | |
e1fa0163 | 3112 | char *at, *lname = xmalloc (strlen (name) + 3); |
e4492aa0 | 3113 | |
aeb1f0e8 KT |
3114 | strcpy (lname, name); |
3115 | ||
3116 | at = strchr (lname + (lname[0] == '@'), '@'); | |
3117 | if (at) | |
3118 | at[1] = 0; | |
3119 | ||
3120 | key.key = lname; | |
3121 | kv = bsearch (&key, udef_table, undef_count, sizeof (struct key_value), | |
3122 | undef_sort_cmp); | |
3123 | ||
3124 | if (kv) | |
3125 | { | |
f38a2680 | 3126 | h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false); |
aeb1f0e8 | 3127 | if (h->type == bfd_link_hash_undefined) |
6c19b93b | 3128 | goto return_h; |
aeb1f0e8 | 3129 | } |
e1fa0163 | 3130 | |
aeb1f0e8 | 3131 | if (lname[0] == '?') |
e1fa0163 NC |
3132 | goto return_NULL; |
3133 | ||
aeb1f0e8 KT |
3134 | if (at || lname[0] == '@') |
3135 | { | |
3136 | if (lname[0] == '@') | |
6c19b93b | 3137 | { |
aeb1f0e8 KT |
3138 | if (pe_details->underscored) |
3139 | lname[0] = '_'; | |
3140 | else | |
ee42883c NC |
3141 | /* Use memmove rather than strcpy as that |
3142 | can handle overlapping buffers. */ | |
3143 | memmove (lname, lname + 1, strlen (lname)); | |
aeb1f0e8 KT |
3144 | key.key = lname; |
3145 | kv = bsearch (&key, udef_table, undef_count, | |
3146 | sizeof (struct key_value), undef_sort_cmp); | |
3147 | if (kv) | |
3148 | { | |
f38a2680 | 3149 | h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false); |
aeb1f0e8 | 3150 | if (h->type == bfd_link_hash_undefined) |
e1fa0163 | 3151 | goto return_h; |
aeb1f0e8 KT |
3152 | } |
3153 | } | |
3154 | if (at) | |
6c19b93b | 3155 | *strchr (lname, '@') = 0; |
aeb1f0e8 KT |
3156 | key.key = lname; |
3157 | kv = bsearch (&key, udef_table, undef_count, | |
3158 | sizeof (struct key_value), undef_sort_cmp); | |
3159 | if (kv) | |
3160 | { | |
f38a2680 | 3161 | h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false); |
aeb1f0e8 | 3162 | if (h->type == bfd_link_hash_undefined) |
e1fa0163 | 3163 | goto return_h; |
aeb1f0e8 | 3164 | } |
e1fa0163 | 3165 | goto return_NULL; |
aeb1f0e8 KT |
3166 | } |
3167 | ||
3168 | strcat (lname, "@"); | |
3169 | key.key = lname; | |
3170 | kv = bsearch (&key, udef_table, undef_count, | |
3171 | sizeof (struct key_value), undef_sort_cmp); | |
3172 | ||
3173 | if (kv) | |
3174 | { | |
f38a2680 | 3175 | h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false); |
aeb1f0e8 | 3176 | if (h->type == bfd_link_hash_undefined) |
e1fa0163 | 3177 | goto return_h; |
aeb1f0e8 KT |
3178 | } |
3179 | ||
3180 | if (lname[0] == '_' && pe_details->underscored) | |
3181 | lname[0] = '@'; | |
3182 | else | |
3183 | { | |
3184 | memmove (lname + 1, lname, strlen (lname) + 1); | |
3185 | lname[0] = '@'; | |
3186 | } | |
3187 | key.key = lname; | |
3188 | ||
3189 | kv = bsearch (&key, udef_table, undef_count, | |
3190 | sizeof (struct key_value), undef_sort_cmp); | |
3191 | ||
3192 | if (kv) | |
3193 | { | |
f38a2680 | 3194 | h = bfd_link_hash_lookup (linfo->hash, kv->oname, false, false, false); |
aeb1f0e8 | 3195 | if (h->type == bfd_link_hash_undefined) |
6c19b93b | 3196 | goto return_h; |
aeb1f0e8 | 3197 | } |
e4492aa0 | 3198 | |
e1fa0163 NC |
3199 | return_NULL: |
3200 | h = NULL; | |
3201 | return_h: | |
3202 | free (lname); | |
3203 | return h; | |
aeb1f0e8 | 3204 | } |
8a9eab9b | 3205 | |
f38a2680 | 3206 | static bool |
aeb1f0e8 | 3207 | pe_undef_count (struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED, |
6c19b93b | 3208 | void *inf ATTRIBUTE_UNUSED) |
8a9eab9b | 3209 | { |
aeb1f0e8 KT |
3210 | if (h->type == bfd_link_hash_undefined) |
3211 | undef_count++; | |
f38a2680 | 3212 | return true; |
aeb1f0e8 KT |
3213 | } |
3214 | ||
f38a2680 | 3215 | static bool |
aeb1f0e8 KT |
3216 | pe_undef_fill (struct bfd_link_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
3217 | { | |
3218 | if (h->type == bfd_link_hash_undefined) | |
8a9eab9b | 3219 | { |
aeb1f0e8 KT |
3220 | char *at; |
3221 | ||
3222 | udef_table[undef_count].key = xstrdup (h->root.string); | |
3223 | at = strchr (udef_table[undef_count].key | |
3224 | + (udef_table[undef_count].key[0] == '@'), '@'); | |
3225 | if (at) | |
6c19b93b | 3226 | at[1] = 0; |
aeb1f0e8 KT |
3227 | udef_table[undef_count].oname = h->root.string; |
3228 | undef_count++; | |
8a9eab9b | 3229 | } |
f38a2680 | 3230 | return true; |
8a9eab9b KT |
3231 | } |
3232 | ||
aeb1f0e8 KT |
3233 | static void |
3234 | pe_create_undef_table (void) | |
8a9eab9b | 3235 | { |
aeb1f0e8 KT |
3236 | undef_count = 0; |
3237 | ||
3238 | /* count undefined symbols */ | |
3239 | ||
3240 | bfd_link_hash_traverse (link_info.hash, pe_undef_count, ""); | |
3241 | ||
3242 | /* create and fill the corresponding table */ | |
3243 | udef_table = xmalloc (undef_count * sizeof (struct key_value)); | |
3244 | ||
3245 | undef_count = 0; | |
3246 | bfd_link_hash_traverse (link_info.hash, pe_undef_fill, ""); | |
3247 | ||
3248 | /* sort items */ | |
3249 | qsort (udef_table, undef_count, sizeof (struct key_value), undef_sort_cmp); | |
8a9eab9b KT |
3250 | } |
3251 | ||
252b5132 | 3252 | static void |
91d6fa6a | 3253 | add_bfd_to_link (bfd *abfd, const char *name, struct bfd_link_info *linfo) |
252b5132 RH |
3254 | { |
3255 | lang_input_statement_type *fake_file; | |
775cabad | 3256 | |
252b5132 RH |
3257 | fake_file = lang_add_input_file (name, |
3258 | lang_input_file_is_fake_enum, | |
3259 | NULL); | |
3260 | fake_file->the_bfd = abfd; | |
3261 | ldlang_add_file (fake_file); | |
775cabad | 3262 | |
91d6fa6a | 3263 | if (!bfd_link_add_symbols (abfd, linfo)) |
df5f2391 | 3264 | einfo (_("%X%P: add symbols %s: %E\n"), name); |
252b5132 RH |
3265 | } |
3266 | ||
3267 | void | |
91d6fa6a | 3268 | pe_process_import_defs (bfd *output_bfd, struct bfd_link_info *linfo) |
252b5132 | 3269 | { |
d643799d | 3270 | pe_dll_id_target (bfd_get_target (output_bfd)); |
252b5132 | 3271 | |
678dc756 | 3272 | if (pe_def_file) |
252b5132 | 3273 | { |
678dc756 AM |
3274 | int i, j; |
3275 | def_file_module *module; | |
3276 | def_file_import *imp; | |
6e230cc2 | 3277 | |
678dc756 | 3278 | imp = pe_def_file->imports; |
252b5132 | 3279 | |
678dc756 | 3280 | pe_create_undef_table (); |
6e230cc2 | 3281 | |
678dc756 | 3282 | for (module = pe_def_file->modules; module; module = module->next) |
6e230cc2 | 3283 | { |
678dc756 | 3284 | int do_this_dll = 0; |
252b5132 | 3285 | |
678dc756 AM |
3286 | for (i = 0; i < pe_def_file->num_imports; i++) |
3287 | if (imp[i].module == module) | |
3288 | break; | |
3289 | if (i >= pe_def_file->num_imports) | |
3290 | continue; | |
3291 | ||
3292 | dll_filename = module->name; | |
3293 | dll_symname = xstrdup (module->name); | |
3294 | for (j = 0; dll_symname[j]; j++) | |
3295 | if (!ISALNUM (dll_symname[j])) | |
3296 | dll_symname[j] = '_'; | |
252b5132 | 3297 | |
678dc756 | 3298 | for (; i < pe_def_file->num_imports && imp[i].module == module; i++) |
6e230cc2 | 3299 | { |
678dc756 AM |
3300 | def_file_export exp; |
3301 | struct bfd_link_hash_entry *blhe; | |
3302 | int lead_at = (*imp[i].internal_name == '@'); | |
3303 | /* See if we need this import. */ | |
3304 | size_t len = strlen (imp[i].internal_name); | |
3305 | char *name = xmalloc (len + 2 + 6); | |
3306 | bool include_jmp_stub = false; | |
3307 | bool is_cdecl = false; | |
3308 | bool is_undef = false; | |
3309 | ||
3310 | if (!lead_at && strchr (imp[i].internal_name, '@') == NULL) | |
3311 | is_cdecl = true; | |
3312 | ||
6e230cc2 | 3313 | if (lead_at) |
678dc756 | 3314 | sprintf (name, "%s", imp[i].internal_name); |
6e230cc2 | 3315 | else |
678dc756 | 3316 | sprintf (name, "%s%s",U (""), imp[i].internal_name); |
6e230cc2 KT |
3317 | |
3318 | blhe = bfd_link_hash_lookup (linfo->hash, name, | |
f38a2680 | 3319 | false, false, false); |
6e230cc2 | 3320 | |
678dc756 AM |
3321 | /* Include the jump stub for <sym> only if the <sym> |
3322 | is undefined. */ | |
3323 | if (!blhe || (blhe && blhe->type != bfd_link_hash_undefined)) | |
3324 | { | |
3325 | if (lead_at) | |
3326 | sprintf (name, "%s%s", "__imp_", imp[i].internal_name); | |
3327 | else | |
3328 | sprintf (name, "%s%s%s", "__imp_", U (""), | |
3329 | imp[i].internal_name); | |
3330 | ||
3331 | blhe = bfd_link_hash_lookup (linfo->hash, name, | |
3332 | false, false, false); | |
3333 | if (blhe) | |
3334 | is_undef = (blhe->type == bfd_link_hash_undefined); | |
eaf1fa5a AM |
3335 | |
3336 | if (is_cdecl && (!blhe || !is_undef)) | |
3337 | { | |
3338 | blhe = pe_find_cdecl_alias_match (linfo, name + 6); | |
3339 | include_jmp_stub = true; | |
3340 | if (blhe) | |
3341 | is_undef = (blhe->type == bfd_link_hash_undefined); | |
3342 | } | |
678dc756 AM |
3343 | } |
3344 | else | |
3345 | { | |
3346 | include_jmp_stub = true; | |
3347 | is_undef = (blhe->type == bfd_link_hash_undefined); | |
3348 | } | |
3349 | ||
678dc756 | 3350 | free (name); |
6e230cc2 | 3351 | |
678dc756 | 3352 | if (is_undef) |
6e230cc2 | 3353 | { |
678dc756 AM |
3354 | bfd *one; |
3355 | /* We do. */ | |
3356 | if (!do_this_dll) | |
3357 | { | |
3358 | bfd *ar_head = make_head (output_bfd); | |
3359 | add_bfd_to_link (ar_head, bfd_get_filename (ar_head), | |
3360 | linfo); | |
3361 | do_this_dll = 1; | |
3362 | } | |
3363 | exp.internal_name = imp[i].internal_name; | |
3364 | exp.name = imp[i].name; | |
3365 | exp.its_name = imp[i].its_name; | |
3366 | exp.ordinal = imp[i].ordinal; | |
3367 | exp.hint = exp.ordinal >= 0 ? exp.ordinal : 0; | |
3368 | exp.flag_private = 0; | |
3369 | exp.flag_constant = 0; | |
3370 | exp.flag_data = imp[i].data; | |
3371 | exp.flag_noname = exp.name ? 0 : 1; | |
3372 | one = make_one (&exp, output_bfd, | |
3373 | !exp.flag_data && include_jmp_stub); | |
3374 | add_bfd_to_link (one, bfd_get_filename (one), linfo); | |
6e230cc2 | 3375 | } |
6e230cc2 | 3376 | } |
678dc756 AM |
3377 | if (do_this_dll) |
3378 | { | |
3379 | bfd *ar_tail = make_tail (output_bfd); | |
3380 | add_bfd_to_link (ar_tail, bfd_get_filename (ar_tail), linfo); | |
3381 | } | |
3382 | ||
3383 | free (dll_symname); | |
6e230cc2 | 3384 | } |
678dc756 AM |
3385 | |
3386 | while (undef_count) | |
252b5132 | 3387 | { |
678dc756 AM |
3388 | --undef_count; |
3389 | free (udef_table[undef_count].key); | |
252b5132 | 3390 | } |
678dc756 | 3391 | free (udef_table); |
252b5132 | 3392 | } |
aeb1f0e8 | 3393 | |
678dc756 AM |
3394 | if (pe_def_file && pe_def_file->name) |
3395 | dll_filename = pe_def_file->name; | |
3396 | else | |
aeb1f0e8 | 3397 | { |
678dc756 AM |
3398 | dll_filename = bfd_get_filename (output_bfd); |
3399 | for (const char *p = dll_filename; *p; p++) | |
3400 | if (*p == '\\' || *p == '/' || *p == ':') | |
3401 | dll_filename = p + 1; | |
aeb1f0e8 | 3402 | } |
678dc756 AM |
3403 | dll_symname = xstrdup (dll_filename); |
3404 | for (int i = 0; dll_symname[i]; i++) | |
3405 | if (!ISALNUM (dll_symname[i])) | |
3406 | dll_symname[i] = '_'; | |
252b5132 RH |
3407 | } |
3408 | ||
775cabad | 3409 | /* We were handed a *.DLL file. Parse it and turn it into a set of |
b34976b6 AM |
3410 | IMPORTS directives in the def file. Return TRUE if the file was |
3411 | handled, FALSE if not. */ | |
252b5132 RH |
3412 | |
3413 | static unsigned int | |
e416bd75 | 3414 | pe_get16 (bfd *abfd, int where, bool *fail) |
252b5132 RH |
3415 | { |
3416 | unsigned char b[2]; | |
775cabad | 3417 | |
e416bd75 AM |
3418 | if (bfd_seek (abfd, where, SEEK_SET) != 0 |
3419 | || bfd_read (b, 2, abfd) != 2) | |
3420 | { | |
3421 | *fail = true; | |
3422 | return 0; | |
3423 | } | |
d643799d | 3424 | return b[0] + (b[1] << 8); |
252b5132 RH |
3425 | } |
3426 | ||
3427 | static unsigned int | |
e416bd75 | 3428 | pe_get32 (bfd *abfd, int where, bool *fail) |
252b5132 RH |
3429 | { |
3430 | unsigned char b[4]; | |
775cabad | 3431 | |
e416bd75 AM |
3432 | if (bfd_seek (abfd, where, SEEK_SET) != 0 |
3433 | || bfd_read (b, 4, abfd) != 4) | |
3434 | { | |
3435 | *fail = true; | |
3436 | return 0; | |
3437 | } | |
599956cf | 3438 | return b[0] + (b[1] << 8) + (b[2] << 16) + ((unsigned) b[3] << 24); |
252b5132 RH |
3439 | } |
3440 | ||
252b5132 | 3441 | static unsigned int |
1579bae1 | 3442 | pe_as32 (void *ptr) |
252b5132 RH |
3443 | { |
3444 | unsigned char *b = ptr; | |
775cabad | 3445 | |
599956cf | 3446 | return b[0] + (b[1] << 8) + (b[2] << 16) + ((unsigned) b[3] << 24); |
252b5132 RH |
3447 | } |
3448 | ||
f38a2680 | 3449 | bool |
1579bae1 | 3450 | pe_implied_import_dll (const char *filename) |
252b5132 RH |
3451 | { |
3452 | bfd *dll; | |
6ca0987a KT |
3453 | bfd_vma pe_header_offset, opthdr_ofs, num_entries, i; |
3454 | bfd_vma export_rva, export_size, nsections, secptr, expptr; | |
3455 | bfd_vma exp_funcbase; | |
47639182 AM |
3456 | unsigned char *expdata; |
3457 | char *erva; | |
c7e2358a | 3458 | bfd_vma name_rvas, nexp; |
91d6fa6a | 3459 | const char *dllname; |
939ba9d0 NC |
3460 | /* Initialization with start > end guarantees that is_data |
3461 | will not be set by mistake, and avoids compiler warning. */ | |
6ca0987a KT |
3462 | bfd_vma data_start = 1; |
3463 | bfd_vma data_end = 0; | |
3464 | bfd_vma rdata_start = 1; | |
3465 | bfd_vma rdata_end = 0; | |
3466 | bfd_vma bss_start = 1; | |
3467 | bfd_vma bss_end = 0; | |
9d8e8f44 | 3468 | int from; |
252b5132 RH |
3469 | |
3470 | /* No, I can't use bfd here. kernel32.dll puts its export table in | |
5cc18311 | 3471 | the middle of the .rdata section. */ |
c6c37250 | 3472 | dll = bfd_openr (filename, pe_details->target_name); |
252b5132 RH |
3473 | if (!dll) |
3474 | { | |
df5f2391 | 3475 | einfo (_("%X%P: open %s: %E\n"), filename); |
f38a2680 | 3476 | return false; |
252b5132 | 3477 | } |
775cabad | 3478 | |
f37b21b4 RM |
3479 | track_dependency_files (filename); |
3480 | ||
86b1cc60 | 3481 | /* PEI dlls seem to be bfd_objects. */ |
252b5132 RH |
3482 | if (!bfd_check_format (dll, bfd_object)) |
3483 | { | |
e416bd75 | 3484 | notdll: |
df5f2391 | 3485 | einfo (_("%X%P: %s: this doesn't appear to be a DLL\n"), filename); |
f38a2680 | 3486 | return false; |
252b5132 RH |
3487 | } |
3488 | ||
d0069cab | 3489 | /* Get pe_header, optional header and numbers of directory entries. */ |
e416bd75 AM |
3490 | bool fail = false; |
3491 | pe_header_offset = pe_get32 (dll, 0x3c, &fail); | |
3492 | if (fail) | |
3493 | goto notdll; | |
252b5132 | 3494 | opthdr_ofs = pe_header_offset + 4 + 20; |
c60b3806 | 3495 | #ifdef pe_use_plus |
e416bd75 AM |
3496 | /* NumberOfRvaAndSizes. */ |
3497 | num_entries = pe_get32 (dll, opthdr_ofs + 92 + 4 * 4, &fail); | |
99ad8390 | 3498 | #else |
e416bd75 | 3499 | num_entries = pe_get32 (dll, opthdr_ofs + 92, &fail); |
99ad8390 | 3500 | #endif |
e416bd75 AM |
3501 | if (fail) |
3502 | goto notdll; | |
775cabad | 3503 | |
d0069cab TG |
3504 | /* No import or export directory entry. */ |
3505 | if (num_entries < 1) | |
f38a2680 | 3506 | return false; |
775cabad | 3507 | |
c60b3806 | 3508 | #ifdef pe_use_plus |
e416bd75 AM |
3509 | export_rva = pe_get32 (dll, opthdr_ofs + 96 + 4 * 4, &fail); |
3510 | export_size = pe_get32 (dll, opthdr_ofs + 100 + 4 * 4, &fail); | |
99ad8390 | 3511 | #else |
e416bd75 AM |
3512 | export_rva = pe_get32 (dll, opthdr_ofs + 96, &fail); |
3513 | export_size = pe_get32 (dll, opthdr_ofs + 100, &fail); | |
99ad8390 | 3514 | #endif |
e416bd75 AM |
3515 | if (fail) |
3516 | goto notdll; | |
9382254d | 3517 | |
d0069cab TG |
3518 | /* No export table - nothing to export. */ |
3519 | if (export_size == 0) | |
f38a2680 | 3520 | return false; |
d0069cab | 3521 | |
e416bd75 | 3522 | nsections = pe_get16 (dll, pe_header_offset + 4 + 2, &fail); |
252b5132 | 3523 | secptr = (pe_header_offset + 4 + 20 + |
e416bd75 AM |
3524 | pe_get16 (dll, pe_header_offset + 4 + 16, &fail)); |
3525 | if (fail) | |
3526 | goto notdll; | |
252b5132 | 3527 | expptr = 0; |
775cabad | 3528 | |
1579bae1 | 3529 | /* Get the rva and size of the export section. */ |
d643799d | 3530 | for (i = 0; i < nsections; i++) |
252b5132 RH |
3531 | { |
3532 | char sname[8]; | |
6ca0987a | 3533 | bfd_vma secptr1 = secptr + 40 * i; |
e416bd75 AM |
3534 | bfd_vma vaddr = pe_get32 (dll, secptr1 + 12, &fail); |
3535 | bfd_vma vsize = pe_get32 (dll, secptr1 + 16, &fail); | |
3536 | bfd_vma fptr = pe_get32 (dll, secptr1 + 20, &fail); | |
775cabad | 3537 | |
e416bd75 AM |
3538 | if (fail |
3539 | || bfd_seek (dll, secptr1, SEEK_SET) != 0 | |
3540 | || bfd_read (sname, 8, dll) != 8) | |
3541 | goto notdll; | |
775cabad | 3542 | |
d643799d | 3543 | if (vaddr <= export_rva && vaddr + vsize > export_rva) |
252b5132 RH |
3544 | { |
3545 | expptr = fptr + (export_rva - vaddr); | |
3546 | if (export_rva + export_size > vaddr + vsize) | |
3547 | export_size = vsize - (export_rva - vaddr); | |
3548 | break; | |
3549 | } | |
3550 | } | |
3551 | ||
939ba9d0 | 3552 | /* Scan sections and store the base and size of the |
1579bae1 | 3553 | data and bss segments in data/base_start/end. */ |
939ba9d0 NC |
3554 | for (i = 0; i < nsections; i++) |
3555 | { | |
6ca0987a | 3556 | bfd_vma secptr1 = secptr + 40 * i; |
e416bd75 AM |
3557 | bfd_vma vsize = pe_get32 (dll, secptr1 + 8, &fail); |
3558 | bfd_vma vaddr = pe_get32 (dll, secptr1 + 12, &fail); | |
3559 | bfd_vma flags = pe_get32 (dll, secptr1 + 36, &fail); | |
939ba9d0 NC |
3560 | char sec_name[9]; |
3561 | ||
3562 | sec_name[8] = '\0'; | |
e416bd75 AM |
3563 | if (fail |
3564 | || bfd_seek (dll, secptr1 + 0, SEEK_SET) != 0 | |
3565 | || bfd_read (sec_name, 8, dll) != 8) | |
3566 | goto notdll; | |
939ba9d0 NC |
3567 | |
3568 | if (strcmp(sec_name,".data") == 0) | |
3569 | { | |
3570 | data_start = vaddr; | |
3571 | data_end = vaddr + vsize; | |
3572 | ||
661a32f7 DS |
3573 | if (pe_dll_extra_pe_debug) |
3574 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
4981a31d | 3575 | __func__, sec_name, (unsigned long) vaddr, |
6ca0987a | 3576 | (unsigned long) (vaddr + vsize), (unsigned long) flags); |
661a32f7 DS |
3577 | } |
3578 | else if (strcmp(sec_name,".rdata") == 0) | |
3579 | { | |
3580 | rdata_start = vaddr; | |
3581 | rdata_end = vaddr + vsize; | |
3582 | ||
939ba9d0 NC |
3583 | if (pe_dll_extra_pe_debug) |
3584 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
4981a31d | 3585 | __func__, sec_name, (unsigned long) vaddr, |
6ca0987a | 3586 | (unsigned long) (vaddr + vsize), (unsigned long) flags); |
1579bae1 | 3587 | } |
939ba9d0 NC |
3588 | else if (strcmp (sec_name,".bss") == 0) |
3589 | { | |
3590 | bss_start = vaddr; | |
3591 | bss_end = vaddr + vsize; | |
3592 | ||
3593 | if (pe_dll_extra_pe_debug) | |
3594 | printf ("%s %s: 0x%08lx-0x%08lx (0x%08lx)\n", | |
4981a31d | 3595 | __func__, sec_name, (unsigned long) vaddr, |
6ca0987a | 3596 | (unsigned long) (vaddr + vsize), (unsigned long) flags); |
939ba9d0 NC |
3597 | } |
3598 | } | |
3599 | ||
1579bae1 | 3600 | expdata = xmalloc (export_size); |
e416bd75 AM |
3601 | if (bfd_seek (dll, expptr, SEEK_SET) != 0 |
3602 | || bfd_read (expdata, export_size, dll) != export_size) | |
3603 | goto notdll; | |
47639182 | 3604 | erva = (char *) expdata - export_rva; |
252b5132 RH |
3605 | |
3606 | if (pe_def_file == 0) | |
d643799d | 3607 | pe_def_file = def_file_empty (); |
252b5132 | 3608 | |
d643799d KH |
3609 | nexp = pe_as32 (expdata + 24); |
3610 | name_rvas = pe_as32 (expdata + 32); | |
939ba9d0 | 3611 | exp_funcbase = pe_as32 (expdata + 28); |
775cabad | 3612 | |
939ba9d0 NC |
3613 | /* Use internal dll name instead of filename |
3614 | to enable symbolic dll linking. */ | |
91d6fa6a | 3615 | dllname = erva + pe_as32 (expdata + 12); |
939ba9d0 | 3616 | |
a35bc64f NC |
3617 | /* Check to see if the dll has already been added to |
3618 | the definition list and if so return without error. | |
3619 | This avoids multiple symbol definitions. */ | |
91d6fa6a | 3620 | if (def_get_module (pe_def_file, dllname)) |
a35bc64f NC |
3621 | { |
3622 | if (pe_dll_extra_pe_debug) | |
91d6fa6a | 3623 | printf ("%s is already loaded\n", dllname); |
f38a2680 | 3624 | return true; |
a35bc64f NC |
3625 | } |
3626 | ||
9d8e8f44 EB |
3627 | /* This is an optimized version of the insertion loop, which avoids lots of |
3628 | calls to realloc and memmove from def_file_add_import. */ | |
3629 | if ((from = def_file_add_import_from (pe_def_file, nexp, | |
3630 | erva + pe_as32 (erva + name_rvas), | |
3631 | dllname, 0, NULL, NULL)) >= 0) | |
3632 | { | |
3633 | for (i = 0; i < nexp; i++) | |
3634 | { | |
3635 | /* Pointer to the names vector. */ | |
3636 | bfd_vma name_rva = pe_as32 (erva + name_rvas + i * 4); | |
3637 | def_file_import *imp; | |
3638 | /* Pointer to the function address vector. */ | |
3639 | bfd_vma func_rva = pe_as32 (erva + exp_funcbase + i * 4); | |
3640 | /* is_data is true if the address is in the data, rdata or bss | |
3641 | segment. */ | |
3642 | const int is_data = | |
3643 | (func_rva >= data_start && func_rva < data_end) | |
3644 | || (func_rva >= rdata_start && func_rva < rdata_end) | |
3645 | || (func_rva >= bss_start && func_rva < bss_end); | |
3646 | ||
3647 | imp = def_file_add_import_at (pe_def_file, from + i, erva + name_rva, | |
3648 | dllname, i, NULL, NULL); | |
3649 | /* Mark symbol type. */ | |
3650 | imp->data = is_data; | |
3651 | ||
3652 | if (pe_dll_extra_pe_debug) | |
3653 | printf ("%s dll-name: %s sym: %s addr: 0x%lx %s\n", | |
4981a31d | 3654 | __func__, dllname, erva + name_rva, |
9d8e8f44 EB |
3655 | (unsigned long) func_rva, is_data ? "(data)" : ""); |
3656 | } | |
3657 | ||
f38a2680 | 3658 | return true; |
9d8e8f44 EB |
3659 | } |
3660 | ||
939ba9d0 | 3661 | /* Iterate through the list of symbols. */ |
d643799d | 3662 | for (i = 0; i < nexp; i++) |
252b5132 | 3663 | { |
939ba9d0 | 3664 | /* Pointer to the names vector. */ |
6ca0987a | 3665 | bfd_vma name_rva = pe_as32 (erva + name_rvas + i * 4); |
252b5132 | 3666 | def_file_import *imp; |
1579bae1 | 3667 | /* Pointer to the function address vector. */ |
6ca0987a | 3668 | bfd_vma func_rva = pe_as32 (erva + exp_funcbase + i * 4); |
939ba9d0 NC |
3669 | int is_data = 0; |
3670 | ||
3671 | /* Skip unwanted symbols, which are | |
3672 | exported in buggy auto-import releases. */ | |
08dedd66 | 3673 | if (! startswith (erva + name_rva, "__nm_")) |
6c19b93b | 3674 | { |
825a844f | 3675 | bool is_dup = false; |
6c19b93b | 3676 | /* is_data is true if the address is in the data, rdata or bss |
661a32f7 | 3677 | segment. */ |
6c19b93b | 3678 | is_data = |
939ba9d0 | 3679 | (func_rva >= data_start && func_rva < data_end) |
661a32f7 | 3680 | || (func_rva >= rdata_start && func_rva < rdata_end) |
939ba9d0 NC |
3681 | || (func_rva >= bss_start && func_rva < bss_end); |
3682 | ||
3683 | imp = def_file_add_import (pe_def_file, erva + name_rva, | |
6e230cc2 | 3684 | dllname, i, NULL, NULL, &is_dup); |
6c19b93b AM |
3685 | /* Mark symbol type. */ |
3686 | if (!is_dup) | |
3687 | imp->data = is_data; | |
1579bae1 | 3688 | |
6c19b93b | 3689 | if (pe_dll_extra_pe_debug) |
939ba9d0 | 3690 | printf ("%s dll-name: %s sym: %s addr: 0x%lx %s\n", |
4981a31d | 3691 | __func__, dllname, erva + name_rva, |
6ca0987a | 3692 | (unsigned long) func_rva, is_data ? "(data)" : ""); |
6c19b93b | 3693 | } |
252b5132 RH |
3694 | } |
3695 | ||
f38a2680 | 3696 | return true; |
252b5132 RH |
3697 | } |
3698 | ||
88183869 DK |
3699 | void |
3700 | pe_output_file_set_long_section_names (bfd *abfd) | |
3701 | { | |
3702 | if (pe_use_coff_long_section_names < 0) | |
3703 | return; | |
3704 | if (!bfd_coff_set_long_section_names (abfd, pe_use_coff_long_section_names)) | |
df5f2391 | 3705 | einfo (_("%X%P: error: can't use long section names on this arch\n")); |
88183869 DK |
3706 | } |
3707 | ||
775cabad NC |
3708 | /* These are the main functions, called from the emulation. The first |
3709 | is called after the bfds are read, so we can guess at how much space | |
3710 | we need. The second is called after everything is placed, so we | |
3711 | can put the right values in place. */ | |
252b5132 RH |
3712 | |
3713 | void | |
1579bae1 | 3714 | pe_dll_build_sections (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 3715 | { |
c6c37250 | 3716 | pe_dll_id_target (bfd_get_target (abfd)); |
88183869 | 3717 | pe_output_file_set_long_section_names (abfd); |
c1711530 | 3718 | process_def_file_and_drectve (abfd, info); |
252b5132 | 3719 | |
c9802aca NC |
3720 | if (pe_def_file->num_exports == 0 |
3721 | && (!bfd_link_pic (info) || pe_dll_exclude_all_symbols)) | |
dc9bd8c9 HD |
3722 | { |
3723 | if (pe_dll_enable_reloc_section) | |
3724 | { | |
f3d8ae90 | 3725 | build_filler_bfd (false /* edata not needed. */); |
dc9bd8c9 HD |
3726 | pe_output_file_set_long_section_names (filler_bfd); |
3727 | } | |
3728 | return; | |
3729 | } | |
2b817be1 | 3730 | |
678dc756 | 3731 | generate_edata (); |
f3d8ae90 | 3732 | build_filler_bfd (true /* edata is needed. */); |
88183869 | 3733 | pe_output_file_set_long_section_names (filler_bfd); |
c6c37250 DD |
3734 | } |
3735 | ||
3736 | void | |
1579bae1 | 3737 | pe_exe_build_sections (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED) |
c6c37250 DD |
3738 | { |
3739 | pe_dll_id_target (bfd_get_target (abfd)); | |
88183869 | 3740 | pe_output_file_set_long_section_names (abfd); |
c6c37250 | 3741 | build_filler_bfd (0); |
88183869 | 3742 | pe_output_file_set_long_section_names (filler_bfd); |
252b5132 RH |
3743 | } |
3744 | ||
3745 | void | |
1579bae1 | 3746 | pe_dll_fill_sections (bfd *abfd, struct bfd_link_info *info) |
252b5132 | 3747 | { |
dc9bd8c9 | 3748 | pe_exe_fill_sections (abfd, info); |
252b5132 | 3749 | |
dc9bd8c9 | 3750 | if (edata_s) |
252b5132 | 3751 | { |
dc9bd8c9 HD |
3752 | fill_edata (abfd, info); |
3753 | edata_s->contents = edata_d; | |
252b5132 RH |
3754 | } |
3755 | ||
0e1862bb | 3756 | if (bfd_link_dll (info)) |
2b817be1 | 3757 | pe_data (abfd)->dll = 1; |
252b5132 | 3758 | } |
c6c37250 DD |
3759 | |
3760 | void | |
1579bae1 | 3761 | pe_exe_fill_sections (bfd *abfd, struct bfd_link_info *info) |
c6c37250 DD |
3762 | { |
3763 | pe_dll_id_target (bfd_get_target (abfd)); | |
88183869 | 3764 | pe_output_file_set_long_section_names (abfd); |
c6c37250 DD |
3765 | image_base = pe_data (abfd)->pe_opthdr.ImageBase; |
3766 | ||
3767 | generate_reloc (abfd, info); | |
f3d8ae90 | 3768 | |
c6c37250 DD |
3769 | if (reloc_sz > 0) |
3770 | { | |
fd361982 | 3771 | bfd_set_section_size (reloc_s, reloc_sz); |
c6c37250 DD |
3772 | |
3773 | /* Resize the sections. */ | |
38975f9e | 3774 | lang_reset_memory_regions (); |
f38a2680 | 3775 | lang_size_sections (NULL, true); |
c6c37250 DD |
3776 | |
3777 | /* Redo special stuff. */ | |
3778 | ldemul_after_allocation (); | |
3779 | ||
3780 | /* Do the assignments again. */ | |
2f65ac72 | 3781 | lang_do_assignments (lang_final_phase_enum); |
f3d8ae90 NC |
3782 | |
3783 | reloc_s->contents = reloc_d; | |
3784 | } | |
3785 | else if (reloc_s) | |
3786 | { | |
3787 | /* Do not emit an empty reloc section. */ | |
3788 | bfd_set_section_flags (reloc_s, SEC_IN_MEMORY | SEC_EXCLUDE); | |
3789 | reloc_s->output_section = bfd_abs_section_ptr; | |
c6c37250 | 3790 | } |
c6c37250 | 3791 | } |
ff2bdb9c | 3792 | |
f38a2680 | 3793 | bool |
ff2bdb9c CF |
3794 | pe_bfd_is_dll (bfd *abfd) |
3795 | { | |
3796 | return (bfd_get_format (abfd) == bfd_object | |
6c19b93b AM |
3797 | && obj_pe (abfd) |
3798 | && pe_data (abfd)->dll); | |
ff2bdb9c | 3799 | } |