Commit | Line | Data |
---|---|---|
99ad8390 NC |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | test -z "${ENTRY}" && ENTRY="_mainCRTStartup" | |
4 | if [ -z "$MACHINE" ]; then | |
5 | OUTPUT_ARCH=${ARCH} | |
6 | else | |
7 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
8 | fi | |
9 | rm -f e${EMULATION_NAME}.c | |
10 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 11 | fragment <<EOF |
bde18da4 | 12 | /* Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
f96b4a7b NC |
13 | Written by Kai Tietz, OneVision Software GmbH&CoKg. |
14 | ||
15 | This file is part of the GNU Binutils. | |
99ad8390 NC |
16 | |
17 | This program is free software; you can redistribute it and/or modify | |
18 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 19 | the Free Software Foundation; either version 3 of the License, or |
99ad8390 NC |
20 | (at your option) any later version. |
21 | ||
22 | This program is distributed in the hope that it will be useful, | |
23 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | GNU General Public License for more details. | |
26 | ||
27 | You should have received a copy of the GNU General Public License | |
28 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
29 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
30 | MA 02110-1301, USA. */ | |
31 | ||
99ad8390 NC |
32 | |
33 | /* For WINDOWS_XP64 and higher */ | |
34 | /* Based on pe.em, but modified for 64 bit support. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #define COFF_IMAGE_WITH_PE | |
39 | #define COFF_WITH_PE | |
40 | #define COFF_WITH_pex64 | |
41 | ||
99ad8390 | 42 | #include "sysdep.h" |
3db64b00 | 43 | #include "bfd.h" |
99ad8390 NC |
44 | #include "bfdlink.h" |
45 | #include "getopt.h" | |
46 | #include "libiberty.h" | |
47 | #include "ld.h" | |
48 | #include "ldmain.h" | |
49 | #include "ldexp.h" | |
50 | #include "ldlang.h" | |
51 | #include "ldfile.h" | |
52 | #include "ldemul.h" | |
53 | #include <ldgram.h> | |
54 | #include "ldlex.h" | |
55 | #include "ldmisc.h" | |
56 | #include "ldctor.h" | |
57 | #include "coff/internal.h" | |
58 | ||
59 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific | |
60 | header in generic PE code. */ | |
61 | #include "coff/x86_64.h" | |
62 | #include "coff/pe.h" | |
63 | ||
64 | /* FIXME: This is a BFD internal header file, and we should not be | |
65 | using it here. */ | |
66 | #include "../bfd/libcoff.h" | |
67 | ||
68 | #undef AOUTSZ | |
69 | #define AOUTSZ PEPAOUTSZ | |
70 | #define PEAOUTHDR PEPAOUTHDR | |
71 | ||
72 | #include "deffile.h" | |
73 | #include "pep-dll.h" | |
74 | #include "safe-ctype.h" | |
75 | ||
76 | /* Permit the emulation parameters to override the default section | |
77 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
78 | it seem that include/coff/internal.h should not define | |
79 | PE_DEF_SECTION_ALIGNMENT. */ | |
80 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
81 | #undef PE_DEF_SECTION_ALIGNMENT | |
82 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
83 | #endif | |
84 | ||
85 | #ifdef TARGET_IS_i386pep | |
86 | #define DLL_SUPPORT | |
87 | #endif | |
88 | ||
89 | #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT) | |
90 | #define PE_DEF_SUBSYSTEM 3 | |
91 | #else | |
92 | #undef NT_EXE_IMAGE_BASE | |
93 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
94 | #undef PE_DEF_SECTION_ALIGNMENT | |
95 | #define PE_DEF_SUBSYSTEM 2 | |
96 | #undef PE_DEF_FILE_ALIGNMENT | |
97 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
98 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
99 | #endif | |
100 | ||
101 | ||
102 | static struct internal_extra_pe_aouthdr pep; | |
103 | static int dll; | |
104 | static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
105 | static int support_old_code = 0; | |
106 | static lang_assignment_statement_type *image_base_statement = 0; | |
2f563b51 | 107 | static unsigned short pe_dll_characteristics = 0; |
99ad8390 NC |
108 | |
109 | #ifdef DLL_SUPPORT | |
880383ca | 110 | static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */ |
99ad8390 NC |
111 | static char * pep_out_def_filename = NULL; |
112 | static char * pep_implib_filename = NULL; | |
113 | static int pep_enable_auto_image_base = 0; | |
114 | static char * pep_dll_search_prefix = NULL; | |
115 | #endif | |
116 | ||
117 | extern const char *output_filename; | |
118 | ||
119 | static void | |
120 | gld_${EMULATION_NAME}_before_parse (void) | |
121 | { | |
122 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); | |
123 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; | |
124 | #ifdef DLL_SUPPORT | |
125 | config.dynamic_link = TRUE; | |
126 | config.has_shared = 1; | |
127 | link_info.pei386_auto_import = -1; | |
6cb442d3 | 128 | link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */ |
99ad8390 NC |
129 | |
130 | #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2) | |
131 | lang_default_entry ("_WinMainCRTStartup"); | |
132 | #else | |
133 | lang_default_entry ("${ENTRY}"); | |
134 | #endif | |
135 | #endif | |
136 | } | |
137 | \f | |
138 | /* PE format extra command line options. */ | |
139 | ||
140 | /* Used for setting flags in the PE header. */ | |
141 | enum options | |
142 | { | |
143 | OPTION_BASE_FILE = 300 + 1, | |
144 | OPTION_DLL, | |
145 | OPTION_FILE_ALIGNMENT, | |
146 | OPTION_IMAGE_BASE, | |
147 | OPTION_MAJOR_IMAGE_VERSION, | |
148 | OPTION_MAJOR_OS_VERSION, | |
149 | OPTION_MAJOR_SUBSYSTEM_VERSION, | |
150 | OPTION_MINOR_IMAGE_VERSION, | |
151 | OPTION_MINOR_OS_VERSION, | |
152 | OPTION_MINOR_SUBSYSTEM_VERSION, | |
153 | OPTION_SECTION_ALIGNMENT, | |
154 | OPTION_STACK, | |
155 | OPTION_SUBSYSTEM, | |
156 | OPTION_HEAP, | |
157 | OPTION_SUPPORT_OLD_CODE, | |
158 | OPTION_OUT_DEF, | |
159 | OPTION_EXPORT_ALL, | |
160 | OPTION_EXCLUDE_SYMBOLS, | |
161 | OPTION_KILL_ATS, | |
162 | OPTION_STDCALL_ALIASES, | |
163 | OPTION_ENABLE_STDCALL_FIXUP, | |
164 | OPTION_DISABLE_STDCALL_FIXUP, | |
165 | OPTION_IMPLIB_FILENAME, | |
166 | OPTION_WARN_DUPLICATE_EXPORTS, | |
167 | OPTION_IMP_COMPAT, | |
168 | OPTION_ENABLE_AUTO_IMAGE_BASE, | |
169 | OPTION_DISABLE_AUTO_IMAGE_BASE, | |
170 | OPTION_DLL_SEARCH_PREFIX, | |
171 | OPTION_NO_DEFAULT_EXCLUDES, | |
172 | OPTION_DLL_ENABLE_AUTO_IMPORT, | |
173 | OPTION_DLL_DISABLE_AUTO_IMPORT, | |
174 | OPTION_ENABLE_EXTRA_PE_DEBUG, | |
175 | OPTION_EXCLUDE_LIBS, | |
176 | OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC, | |
6cb442d3 KT |
177 | OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC, |
178 | OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1, | |
e1c37eb5 | 179 | OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2, |
ce11ba6c | 180 | OPTION_EXCLUDE_MODULES_FOR_IMPLIB, |
88183869 DK |
181 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES, |
182 | OPTION_ENABLE_LONG_SECTION_NAMES, | |
2f563b51 DK |
183 | OPTION_DISABLE_LONG_SECTION_NAMES, |
184 | OPTION_DYNAMIC_BASE, | |
185 | OPTION_FORCE_INTEGRITY, | |
186 | OPTION_NX_COMPAT, | |
187 | OPTION_NO_ISOLATION, | |
188 | OPTION_NO_SEH, | |
189 | OPTION_NO_BIND, | |
190 | OPTION_WDM_DRIVER, | |
191 | OPTION_TERMINAL_SERVER_AWARE | |
99ad8390 NC |
192 | }; |
193 | ||
194 | static void | |
195 | gld${EMULATION_NAME}_add_options | |
196 | (int ns ATTRIBUTE_UNUSED, | |
197 | char **shortopts ATTRIBUTE_UNUSED, | |
198 | int nl, | |
199 | struct option **longopts, | |
200 | int nrl ATTRIBUTE_UNUSED, | |
201 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
202 | { | |
203 | static const struct option xtra_long[] = | |
204 | { | |
205 | /* PE options */ | |
206 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
207 | {"dll", no_argument, NULL, OPTION_DLL}, | |
208 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
209 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
210 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
211 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
212 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
213 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
214 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
215 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
216 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
217 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
218 | {"stack", required_argument, NULL, OPTION_STACK}, | |
219 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
220 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
ce11ba6c KT |
221 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
222 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
99ad8390 NC |
223 | #ifdef DLL_SUPPORT |
224 | /* getopt allows abbreviations, so we do this to stop it | |
225 | from treating -o as an abbreviation for this option. */ | |
226 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
227 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
228 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
229 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
230 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, | |
e1c37eb5 | 231 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
99ad8390 NC |
232 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
233 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
234 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
235 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
236 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
237 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, | |
238 | /* getopt() allows abbreviations, so we do this to stop it from | |
239 | treating -c as an abbreviation for these --compat-implib. */ | |
240 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
241 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
242 | {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, | |
243 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, | |
244 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
245 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
246 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
247 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
248 | {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
249 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
250 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
251 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
252 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
99ad8390 | 253 | #endif |
88183869 DK |
254 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
255 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
256 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
257 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
258 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
259 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
260 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
261 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
262 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
d127ecce AM |
263 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, |
264 | {NULL, no_argument, NULL, 0} | |
99ad8390 NC |
265 | }; |
266 | ||
d127ecce AM |
267 | *longopts |
268 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
99ad8390 NC |
269 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
270 | } | |
271 | ||
272 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
273 | parameters which may be input from the command line. */ | |
274 | ||
275 | typedef struct | |
276 | { | |
277 | void *ptr; | |
278 | int size; | |
0ead4f8d | 279 | bfd_vma value; |
99ad8390 NC |
280 | char *symbol; |
281 | int inited; | |
282 | } definfo; | |
283 | ||
284 | #define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0} | |
285 | ||
286 | static definfo init[] = | |
287 | { | |
288 | /* imagebase must be first */ | |
289 | #define IMAGEBASEOFF 0 | |
290 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), | |
291 | #define DLLOFF 1 | |
292 | {&dll, sizeof(dll), 0, "__dll__", 0}, | |
293 | #define MSIMAGEBASEOFF 2 | |
dffc6a64 | 294 | D(ImageBase,"___ImageBase", NT_EXE_IMAGE_BASE), |
99ad8390 NC |
295 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), |
296 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), | |
297 | D(MajorOperatingSystemVersion,"__major_os_version__", 4), | |
298 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0), | |
299 | D(MajorImageVersion,"__major_image_version__", 0), | |
300 | D(MinorImageVersion,"__minor_image_version__", 0), | |
301 | D(MajorSubsystemVersion,"__major_subsystem_version__", 5), | |
302 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 2), | |
303 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}), | |
304 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000), | |
305 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), | |
306 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), | |
307 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), | |
308 | D(LoaderFlags,"__loader_flags__", 0x0), | |
2f563b51 | 309 | D(DllCharacteristics, "__dll_characteristics__", 0x0), |
99ad8390 NC |
310 | { NULL, 0, 0, NULL, 0 } |
311 | }; | |
312 | ||
313 | ||
314 | static void | |
315 | gld_${EMULATION_NAME}_list_options (FILE *file) | |
316 | { | |
317 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
318 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
319 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
320 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
321 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
322 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
323 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
324 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
325 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
326 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
327 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
328 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
329 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
330 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
331 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
332 | #ifdef DLL_SUPPORT | |
333 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); | |
334 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
335 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
336 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
337 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); | |
e1c37eb5 DK |
338 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
339 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
340 | fprintf (file, _(" export, place into import library instead.\n")); | |
99ad8390 NC |
341 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
342 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
343 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
344 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
345 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n")); | |
346 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ | |
347 | create __imp_<SYMBOL> as well.\n")); | |
348 | fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\ | |
349 | unless user specifies one\n")); | |
350 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); | |
351 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ | |
352 | an importlib, use <string><basename>.dll\n\ | |
353 | in preference to lib<basename>.dll \n")); | |
354 | fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\ | |
355 | __imp_sym for DATA references\n")); | |
356 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); | |
357 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ | |
358 | adding pseudo-relocations resolved at\n\ | |
359 | runtime.\n")); | |
360 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ | |
361 | auto-imported DATA.\n")); | |
362 | fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\ | |
363 | or linking to DLLs (esp. auto-import)\n")); | |
88183869 DK |
364 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
365 | executable image files\n")); | |
366 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
367 | in object files\n")); | |
2f563b51 DK |
368 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
369 | address space layout randomization (ASLR)\n")); | |
370 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
371 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
372 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
373 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
374 | be called in this image\n")); | |
d127ecce | 375 | fprintf (file, _(" --no-bind Do not bind this image\n")); |
2f563b51 DK |
376 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); |
377 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); | |
99ad8390 NC |
378 | #endif |
379 | } | |
380 | ||
381 | ||
382 | static void | |
0ead4f8d | 383 | set_pep_name (char *name, bfd_vma val) |
99ad8390 NC |
384 | { |
385 | int i; | |
386 | ||
387 | /* Find the name and set it. */ | |
388 | for (i = 0; init[i].ptr; i++) | |
389 | { | |
390 | if (strcmp (name, init[i].symbol) == 0) | |
391 | { | |
392 | init[i].value = val; | |
393 | init[i].inited = 1; | |
394 | if (strcmp (name,"__image_base__") == 0) | |
dffc6a64 | 395 | set_pep_name ("___ImageBase", val); |
99ad8390 NC |
396 | return; |
397 | } | |
398 | } | |
399 | abort (); | |
400 | } | |
401 | ||
402 | ||
403 | static void | |
404 | set_pep_subsystem (void) | |
405 | { | |
406 | const char *sver; | |
407 | const char *entry; | |
408 | const char *initial_symbol_char; | |
409 | char *end; | |
410 | int len; | |
411 | int i; | |
412 | int subsystem; | |
413 | unsigned long temp_subsystem; | |
414 | static const struct | |
415 | { | |
416 | const char *name; | |
417 | const int value; | |
418 | const char *entry; | |
419 | } | |
420 | v[] = | |
421 | { | |
422 | { "native", 1, "NtProcessStartup" }, | |
423 | { "windows", 2, "WinMainCRTStartup" }, | |
424 | { "console", 3, "mainCRTStartup" }, | |
425 | { "posix", 7, "__PosixProcessStartup"}, | |
426 | { "wince", 9, "_WinMainCRTStartup" }, | |
427 | { "xbox", 14, "mainCRTStartup" }, | |
428 | { NULL, 0, NULL } | |
429 | }; | |
430 | /* Entry point name for arbitrary subsystem numbers. */ | |
431 | static const char default_entry[] = "mainCRTStartup"; | |
432 | ||
433 | /* Check for the presence of a version number. */ | |
434 | sver = strchr (optarg, ':'); | |
435 | if (sver == NULL) | |
436 | len = strlen (optarg); | |
437 | else | |
438 | { | |
439 | len = sver - optarg; | |
440 | set_pep_name ("__major_subsystem_version__", | |
441 | strtoul (sver + 1, &end, 0)); | |
442 | if (*end == '.') | |
443 | set_pep_name ("__minor_subsystem_version__", | |
444 | strtoul (end + 1, &end, 0)); | |
445 | if (*end != '\0') | |
446 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
447 | } | |
448 | ||
449 | /* Check for numeric subsystem. */ | |
450 | temp_subsystem = strtoul (optarg, & end, 0); | |
451 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
452 | { | |
453 | /* Search list for a numeric match to use its entry point. */ | |
454 | for (i = 0; v[i].name; i++) | |
455 | if (v[i].value == (int) temp_subsystem) | |
456 | break; | |
457 | ||
458 | /* If no match, use the default. */ | |
459 | if (v[i].name != NULL) | |
460 | entry = v[i].entry; | |
461 | else | |
462 | entry = default_entry; | |
463 | ||
464 | /* Use this subsystem. */ | |
465 | subsystem = (int) temp_subsystem; | |
466 | } | |
467 | else | |
468 | { | |
469 | /* Search for subsystem by name. */ | |
470 | for (i = 0; v[i].name; i++) | |
471 | if (strncmp (optarg, v[i].name, len) == 0 | |
472 | && v[i].name[len] == '\0') | |
473 | break; | |
474 | ||
475 | if (v[i].name == NULL) | |
476 | { | |
477 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
478 | return; | |
479 | } | |
480 | ||
481 | entry = v[i].entry; | |
482 | subsystem = v[i].value; | |
483 | } | |
484 | ||
485 | set_pep_name ("__subsystem__", subsystem); | |
486 | ||
487 | initial_symbol_char = ${INITIAL_SYMBOL_CHAR}; | |
488 | if (*initial_symbol_char != '\0') | |
489 | { | |
490 | char *alc_entry; | |
491 | ||
492 | /* lang_default_entry expects its argument to be permanently | |
493 | allocated, so we don't free this string. */ | |
494 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
495 | + strlen (entry) | |
496 | + 1); | |
497 | strcpy (alc_entry, initial_symbol_char); | |
498 | strcat (alc_entry, entry); | |
499 | entry = alc_entry; | |
500 | } | |
501 | ||
502 | lang_default_entry (entry); | |
503 | ||
504 | return; | |
505 | } | |
506 | ||
507 | ||
508 | static void | |
509 | set_pep_value (char *name) | |
510 | { | |
511 | char *end; | |
512 | ||
0ead4f8d | 513 | set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0)); |
99ad8390 NC |
514 | |
515 | if (end == optarg) | |
516 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
517 | ||
518 | optarg = end; | |
519 | } | |
520 | ||
521 | ||
522 | static void | |
523 | set_pep_stack_heap (char *resname, char *comname) | |
524 | { | |
525 | set_pep_value (resname); | |
526 | ||
527 | if (*optarg == ',') | |
528 | { | |
529 | optarg++; | |
530 | set_pep_value (comname); | |
531 | } | |
532 | else if (*optarg) | |
533 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
534 | } | |
535 | ||
536 | ||
537 | static bfd_boolean | |
538 | gld${EMULATION_NAME}_handle_option (int optc) | |
539 | { | |
540 | switch (optc) | |
541 | { | |
542 | default: | |
543 | return FALSE; | |
544 | ||
545 | case OPTION_BASE_FILE: | |
546 | link_info.base_file = fopen (optarg, FOPEN_WB); | |
547 | if (link_info.base_file == NULL) | |
548 | { | |
549 | /* xgettext:c-format */ | |
550 | fprintf (stderr, _("%s: Can't open base file %s\n"), | |
551 | program_name, optarg); | |
552 | xexit (1); | |
553 | } | |
554 | break; | |
555 | ||
556 | /* PE options. */ | |
557 | case OPTION_HEAP: | |
558 | set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); | |
559 | break; | |
560 | case OPTION_STACK: | |
561 | set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); | |
562 | break; | |
563 | case OPTION_SUBSYSTEM: | |
564 | set_pep_subsystem (); | |
565 | break; | |
566 | case OPTION_MAJOR_OS_VERSION: | |
567 | set_pep_value ("__major_os_version__"); | |
568 | break; | |
569 | case OPTION_MINOR_OS_VERSION: | |
570 | set_pep_value ("__minor_os_version__"); | |
571 | break; | |
572 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
573 | set_pep_value ("__major_subsystem_version__"); | |
574 | break; | |
575 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
576 | set_pep_value ("__minor_subsystem_version__"); | |
577 | break; | |
578 | case OPTION_MAJOR_IMAGE_VERSION: | |
579 | set_pep_value ("__major_image_version__"); | |
580 | break; | |
581 | case OPTION_MINOR_IMAGE_VERSION: | |
582 | set_pep_value ("__minor_image_version__"); | |
583 | break; | |
584 | case OPTION_FILE_ALIGNMENT: | |
585 | set_pep_value ("__file_alignment__"); | |
586 | break; | |
587 | case OPTION_SECTION_ALIGNMENT: | |
588 | set_pep_value ("__section_alignment__"); | |
589 | break; | |
590 | case OPTION_DLL: | |
591 | set_pep_name ("__dll__", 1); | |
592 | break; | |
593 | case OPTION_IMAGE_BASE: | |
594 | set_pep_value ("__image_base__"); | |
595 | break; | |
596 | case OPTION_SUPPORT_OLD_CODE: | |
597 | support_old_code = 1; | |
598 | break; | |
ce11ba6c KT |
599 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
600 | pep_use_nul_prefixed_import_tables = TRUE; | |
601 | break; | |
99ad8390 NC |
602 | #ifdef DLL_SUPPORT |
603 | case OPTION_OUT_DEF: | |
604 | pep_out_def_filename = xstrdup (optarg); | |
605 | break; | |
606 | case OPTION_EXPORT_ALL: | |
607 | pep_dll_export_everything = 1; | |
608 | break; | |
609 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 610 | pep_dll_add_excludes (optarg, EXCLUDESYMS); |
99ad8390 NC |
611 | break; |
612 | case OPTION_EXCLUDE_LIBS: | |
e1c37eb5 DK |
613 | pep_dll_add_excludes (optarg, EXCLUDELIBS); |
614 | break; | |
615 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
616 | pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
99ad8390 NC |
617 | break; |
618 | case OPTION_KILL_ATS: | |
619 | pep_dll_kill_ats = 1; | |
620 | break; | |
621 | case OPTION_STDCALL_ALIASES: | |
622 | pep_dll_stdcall_aliases = 1; | |
623 | break; | |
624 | case OPTION_ENABLE_STDCALL_FIXUP: | |
625 | pep_enable_stdcall_fixup = 1; | |
626 | break; | |
627 | case OPTION_DISABLE_STDCALL_FIXUP: | |
628 | pep_enable_stdcall_fixup = 0; | |
629 | break; | |
630 | case OPTION_IMPLIB_FILENAME: | |
631 | pep_implib_filename = xstrdup (optarg); | |
632 | break; | |
633 | case OPTION_WARN_DUPLICATE_EXPORTS: | |
634 | pep_dll_warn_dup_exports = 1; | |
635 | break; | |
636 | case OPTION_IMP_COMPAT: | |
637 | pep_dll_compat_implib = 1; | |
638 | break; | |
639 | case OPTION_ENABLE_AUTO_IMAGE_BASE: | |
640 | pep_enable_auto_image_base = 1; | |
641 | break; | |
642 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
643 | pep_enable_auto_image_base = 0; | |
644 | break; | |
645 | case OPTION_DLL_SEARCH_PREFIX: | |
646 | pep_dll_search_prefix = xstrdup (optarg); | |
647 | break; | |
648 | case OPTION_NO_DEFAULT_EXCLUDES: | |
649 | pep_dll_do_default_excludes = 0; | |
650 | break; | |
651 | case OPTION_DLL_ENABLE_AUTO_IMPORT: | |
652 | link_info.pei386_auto_import = 1; | |
653 | break; | |
654 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
655 | link_info.pei386_auto_import = 0; | |
656 | break; | |
657 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: | |
6cb442d3 | 658 | link_info.pei386_runtime_pseudo_reloc = 2; |
99ad8390 NC |
659 | break; |
660 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: | |
661 | link_info.pei386_runtime_pseudo_reloc = 0; | |
662 | break; | |
6cb442d3 KT |
663 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
664 | link_info.pei386_runtime_pseudo_reloc = 1; | |
665 | break; | |
666 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
667 | link_info.pei386_runtime_pseudo_reloc = 2; | |
668 | break; | |
99ad8390 NC |
669 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
670 | pep_dll_extra_pe_debug = 1; | |
671 | break; | |
672 | #endif | |
88183869 DK |
673 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
674 | pep_use_coff_long_section_names = 1; | |
675 | break; | |
676 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
677 | pep_use_coff_long_section_names = 0; | |
678 | break; | |
2f563b51 DK |
679 | /* Get DLLCharacteristics bits */ |
680 | case OPTION_DYNAMIC_BASE: | |
681 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
682 | break; | |
683 | case OPTION_FORCE_INTEGRITY: | |
684 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
685 | break; | |
686 | case OPTION_NX_COMPAT: | |
687 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
688 | break; | |
689 | case OPTION_NO_ISOLATION: | |
690 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
691 | break; | |
692 | case OPTION_NO_SEH: | |
693 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
694 | break; | |
695 | case OPTION_NO_BIND: | |
696 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
697 | break; | |
698 | case OPTION_WDM_DRIVER: | |
699 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
700 | break; | |
701 | case OPTION_TERMINAL_SERVER_AWARE: | |
702 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
703 | break; | |
99ad8390 | 704 | } |
2f563b51 DK |
705 | |
706 | /* Set DLLCharacteristics bits */ | |
707 | set_pep_name ("__dll_characteristics__", pe_dll_characteristics); | |
708 | ||
99ad8390 NC |
709 | return TRUE; |
710 | } | |
711 | \f | |
712 | ||
713 | #ifdef DLL_SUPPORT | |
714 | static unsigned long | |
715 | strhash (const char *str) | |
716 | { | |
717 | const unsigned char *s; | |
718 | unsigned long hash; | |
719 | unsigned int c; | |
720 | unsigned int len; | |
721 | ||
722 | hash = 0; | |
723 | len = 0; | |
724 | s = (const unsigned char *) str; | |
725 | while ((c = *s++) != '\0') | |
726 | { | |
727 | hash += c + (c << 17); | |
728 | hash ^= hash >> 2; | |
729 | ++len; | |
730 | } | |
731 | hash += len + (len << 17); | |
732 | hash ^= hash >> 2; | |
733 | ||
734 | return hash; | |
735 | } | |
736 | ||
737 | /* Use the output file to create a image base for relocatable DLLs. */ | |
738 | ||
0ead4f8d | 739 | static bfd_vma |
99ad8390 NC |
740 | compute_dll_image_base (const char *ofile) |
741 | { | |
0ead4f8d | 742 | bfd_vma hash = (bfd_vma) strhash (ofile); |
99ad8390 NC |
743 | return 0x61300000 + ((hash << 16) & 0x0FFC0000); |
744 | } | |
745 | #endif | |
746 | ||
747 | /* Assign values to the special symbols before the linker script is | |
748 | read. */ | |
749 | ||
750 | static void | |
751 | gld_${EMULATION_NAME}_set_symbols (void) | |
752 | { | |
753 | /* Run through and invent symbols for all the | |
754 | names and insert the defaults. */ | |
755 | int j; | |
99ad8390 NC |
756 | |
757 | if (!init[IMAGEBASEOFF].inited) | |
758 | { | |
759 | if (link_info.relocatable) | |
760 | init[IMAGEBASEOFF].value = 0; | |
761 | else if (init[DLLOFF].value || (link_info.shared && !link_info.pie)) | |
d127ecce | 762 | { |
99ad8390 | 763 | #ifdef DLL_SUPPORT |
d127ecce AM |
764 | init[IMAGEBASEOFF].value = (pep_enable_auto_image_base |
765 | ? compute_dll_image_base (output_filename) | |
766 | : NT_DLL_IMAGE_BASE); | |
99ad8390 | 767 | #else |
d127ecce | 768 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
99ad8390 | 769 | #endif |
d127ecce | 770 | } |
99ad8390 NC |
771 | else |
772 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
d127ecce | 773 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
99ad8390 NC |
774 | } |
775 | ||
776 | /* Don't do any symbol assignments if this is a relocatable link. */ | |
777 | if (link_info.relocatable) | |
778 | return; | |
779 | ||
780 | /* Glue the assignments into the abs section. */ | |
bde18da4 | 781 | push_stat_ptr (&abs_output_section->children); |
99ad8390 NC |
782 | |
783 | for (j = 0; init[j].ptr; j++) | |
784 | { | |
0ead4f8d | 785 | bfd_vma val = init[j].value; |
99ad8390 NC |
786 | lang_assignment_statement_type *rv; |
787 | rv = lang_add_assignment (exp_assop ('=', init[j].symbol, | |
788 | exp_intop (val))); | |
789 | if (init[j].size == sizeof (short)) | |
0ead4f8d | 790 | *(short *) init[j].ptr = (short) val; |
99ad8390 | 791 | else if (init[j].size == sizeof (int)) |
0ead4f8d | 792 | *(int *) init[j].ptr = (int) val; |
99ad8390 | 793 | else if (init[j].size == sizeof (long)) |
0ead4f8d | 794 | *(long *) init[j].ptr = (long) val; |
99ad8390 NC |
795 | /* This might be a long long or other special type. */ |
796 | else if (init[j].size == sizeof (bfd_vma)) | |
797 | *(bfd_vma *) init[j].ptr = val; | |
798 | else abort (); | |
799 | if (j == IMAGEBASEOFF) | |
800 | image_base_statement = rv; | |
801 | } | |
802 | /* Restore the pointer. */ | |
bde18da4 | 803 | pop_stat_ptr (); |
99ad8390 NC |
804 | |
805 | if (pep.FileAlignment > pep.SectionAlignment) | |
806 | { | |
807 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
808 | } | |
809 | } | |
810 | ||
811 | /* This is called after the linker script and the command line options | |
812 | have been read. */ | |
813 | ||
814 | static void | |
815 | gld_${EMULATION_NAME}_after_parse (void) | |
816 | { | |
817 | /* The Windows libraries are designed for the linker to treat the | |
818 | entry point as an undefined symbol. Otherwise, the .obj that | |
819 | defines mainCRTStartup is brought in because it is the first | |
820 | encountered in libc.lib and it has other symbols in it which will | |
821 | be pulled in by the link process. To avoid this, we act as | |
822 | though the user specified -u with the entry point symbol. | |
823 | ||
824 | This function is called after the linker script and command line | |
825 | options have been read, so at this point we know the right entry | |
826 | point. This function is called before the input files are | |
827 | opened, so registering the symbol as undefined will make a | |
828 | difference. */ | |
829 | ||
830 | if (! link_info.relocatable && entry_symbol.name != NULL) | |
831 | ldlang_add_undef (entry_symbol.name); | |
8b747e1a DK |
832 | |
833 | /* PR ld/6744: Warn the user if they have used an ELF-only | |
834 | option hoping it will work on PE+. */ | |
835 | if (link_info.export_dynamic) | |
836 | einfo (_("%P: warning: --export-dynamic is not supported for PE+ " | |
837 | "targets, did you mean --export-all-symbols?\n")); | |
99ad8390 NC |
838 | } |
839 | ||
840 | /* pep-dll.c directly accesses pep_data_import_dll, | |
841 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
842 | Note - this variable is deliberately not initialised. | |
843 | This allows it to be treated as a common varaible, and only | |
844 | exist in one incarnation in a multiple target enabled linker. */ | |
845 | char * pep_data_import_dll; | |
846 | ||
847 | #ifdef DLL_SUPPORT | |
848 | static struct bfd_link_hash_entry *pep_undef_found_sym; | |
849 | ||
850 | static bfd_boolean | |
851 | pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) | |
852 | { | |
853 | int sl; | |
854 | char *string = inf; | |
855 | ||
856 | sl = strlen (string); | |
857 | if (h->type == bfd_link_hash_defined | |
858 | && strncmp (h->root.string, string, sl) == 0 | |
859 | && h->root.string[sl] == '@') | |
860 | { | |
861 | pep_undef_found_sym = h; | |
862 | return FALSE; | |
863 | } | |
864 | return TRUE; | |
865 | } | |
866 | ||
867 | static void | |
868 | pep_fixup_stdcalls (void) | |
869 | { | |
870 | static int gave_warning_message = 0; | |
871 | struct bfd_link_hash_entry *undef, *sym; | |
872 | ||
873 | if (pep_dll_extra_pe_debug) | |
874 | printf ("%s\n", __FUNCTION__); | |
875 | ||
876 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) | |
877 | if (undef->type == bfd_link_hash_undefined) | |
878 | { | |
879 | char* at = strchr (undef->root.string, '@'); | |
880 | int lead_at = (*undef->root.string == '@'); | |
881 | /* For now, don't try to fixup fastcall symbols. */ | |
882 | ||
883 | if (at && !lead_at) | |
884 | { | |
885 | /* The symbol is a stdcall symbol, so let's look for a | |
886 | cdecl symbol with the same name and resolve to that. */ | |
887 | char *cname = xstrdup (undef->root.string /* + lead_at */); | |
888 | at = strchr (cname, '@'); | |
889 | *at = 0; | |
890 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); | |
891 | ||
892 | if (sym && sym->type == bfd_link_hash_defined) | |
893 | { | |
894 | undef->type = bfd_link_hash_defined; | |
895 | undef->u.def.value = sym->u.def.value; | |
896 | undef->u.def.section = sym->u.def.section; | |
897 | ||
898 | if (pep_enable_stdcall_fixup == -1) | |
899 | { | |
900 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
901 | undef->root.string, cname); | |
902 | if (! gave_warning_message) | |
903 | { | |
904 | gave_warning_message = 1; | |
905 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
906 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
907 | } | |
908 | } | |
909 | } | |
910 | } | |
911 | else | |
912 | { | |
913 | /* The symbol is a cdecl symbol, so we look for stdcall | |
914 | symbols - which means scanning the whole symbol table. */ | |
915 | pep_undef_found_sym = 0; | |
916 | bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match, | |
917 | (char *) undef->root.string); | |
918 | sym = pep_undef_found_sym; | |
919 | if (sym) | |
920 | { | |
921 | undef->type = bfd_link_hash_defined; | |
922 | undef->u.def.value = sym->u.def.value; | |
923 | undef->u.def.section = sym->u.def.section; | |
924 | ||
925 | if (pep_enable_stdcall_fixup == -1) | |
926 | { | |
927 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
928 | undef->root.string, sym->root.string); | |
929 | if (! gave_warning_message) | |
930 | { | |
931 | gave_warning_message = 1; | |
932 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
933 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
934 | } | |
935 | } | |
936 | } | |
937 | } | |
938 | } | |
939 | } | |
940 | ||
941 | static int | |
942 | make_import_fixup (arelent *rel, asection *s) | |
943 | { | |
944 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; | |
6cb442d3 KT |
945 | char addend[8]; |
946 | bfd_vma _addend = 0; | |
947 | int suc = 0; | |
99ad8390 NC |
948 | |
949 | if (pep_dll_extra_pe_debug) | |
950 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, | |
0af1713e | 951 | (unsigned long) rel->address, (long) rel->addend); |
99ad8390 | 952 | |
6cb442d3 KT |
953 | memset (addend, 0, sizeof (addend)); |
954 | switch ((rel->howto->bitsize)) | |
955 | { | |
956 | case 8: | |
957 | suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1); | |
958 | if (suc && rel->howto->pc_relative) | |
959 | _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend))); | |
960 | else if (suc) | |
961 | _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff; | |
962 | break; | |
963 | case 16: | |
964 | suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2); | |
965 | if (suc && rel->howto->pc_relative) | |
966 | _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend))); | |
967 | else if (suc) | |
968 | _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff; | |
969 | break; | |
970 | case 32: | |
971 | suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4); | |
972 | if (suc && rel->howto->pc_relative) | |
973 | _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend))); | |
974 | else if (suc) | |
975 | _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff; | |
976 | break; | |
977 | case 64: | |
978 | suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8); | |
979 | if (suc) | |
980 | _addend = ((bfd_vma) bfd_get_64 (s->owner, addend)); | |
981 | break; | |
982 | } | |
983 | if (! suc) | |
99ad8390 NC |
984 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
985 | s->owner, s, rel->address); | |
986 | ||
6cb442d3 KT |
987 | if (pep_dll_extra_pe_debug) |
988 | { | |
989 | printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address); | |
990 | if (rel->howto->pc_relative) printf (" pcrel"); | |
991 | printf (" %d bit rel.\n",(int) rel->howto->bitsize); | |
992 | } | |
993 | pep_create_import_fixup (rel, s, _addend); | |
99ad8390 NC |
994 | |
995 | return 1; | |
996 | } | |
997 | ||
998 | static void | |
999 | pep_find_data_imports (void) | |
1000 | { | |
1001 | struct bfd_link_hash_entry *undef, *sym; | |
1002 | ||
1003 | if (link_info.pei386_auto_import == 0) | |
1004 | return; | |
1005 | ||
1006 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) | |
1007 | { | |
1008 | if (undef->type == bfd_link_hash_undefined) | |
1009 | { | |
1010 | /* C++ symbols are *long*. */ | |
1011 | char buf[4096]; | |
1012 | ||
1013 | if (pep_dll_extra_pe_debug) | |
1014 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
1015 | ||
1016 | sprintf (buf, "__imp_%s", undef->root.string); | |
1017 | ||
1018 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); | |
1019 | ||
1020 | if (sym && sym->type == bfd_link_hash_defined) | |
1021 | { | |
1022 | bfd *b = sym->u.def.section->owner; | |
1023 | asymbol **symbols; | |
5c1d2f5f | 1024 | int nsyms, i; |
99ad8390 NC |
1025 | |
1026 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
1027 | { |
1028 | static bfd_boolean warned = FALSE; | |
1029 | ||
1030 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), | |
1031 | undef->root.string, buf); | |
1032 | ||
1033 | /* PR linker/4844. */ | |
1034 | if (! warned) | |
1035 | { | |
1036 | warned = TRUE; | |
1037 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ | |
44e36d8a | 1038 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
8524166d NC |
1039 | } |
1040 | } | |
99ad8390 | 1041 | |
5c1d2f5f AM |
1042 | if (!bfd_generic_link_read_symbols (b)) |
1043 | { | |
1044 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
1045 | return; | |
1046 | } | |
1047 | ||
1048 | symbols = bfd_get_outsymbols (b); | |
1049 | nsyms = bfd_get_symcount (b); | |
99ad8390 NC |
1050 | |
1051 | for (i = 0; i < nsyms; i++) | |
1052 | { | |
1053 | if (! CONST_STRNEQ (symbols[i]->name, "__head_")) | |
1054 | continue; | |
1055 | ||
1056 | if (pep_dll_extra_pe_debug) | |
1057 | printf ("->%s\n", symbols[i]->name); | |
1058 | ||
1059 | pep_data_import_dll = (char*) (symbols[i]->name + | |
1060 | sizeof ("__head_") - 1); | |
1061 | break; | |
1062 | } | |
1063 | ||
1064 | pep_walk_relocs_of_symbol (&link_info, undef->root.string, | |
d127ecce | 1065 | make_import_fixup); |
99ad8390 NC |
1066 | |
1067 | /* Let's differentiate it somehow from defined. */ | |
1068 | undef->type = bfd_link_hash_defweak; | |
1069 | /* We replace original name with __imp_ prefixed, this | |
1070 | 1) may trash memory 2) leads to duplicate symbol generation. | |
1071 | Still, IMHO it's better than having name poluted. */ | |
1072 | undef->root.string = sym->root.string; | |
1073 | undef->u.def.value = sym->u.def.value; | |
1074 | undef->u.def.section = sym->u.def.section; | |
1075 | } | |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | static bfd_boolean | |
1081 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) | |
1082 | { | |
1083 | if (pep_dll_extra_pe_debug) | |
1084 | printf ("+%s\n", h->string); | |
1085 | ||
1086 | return TRUE; | |
1087 | } | |
1088 | #endif /* DLL_SUPPORT */ | |
1089 | ||
3efd345c DK |
1090 | static void |
1091 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) | |
1092 | { | |
1093 | int *found = (int *) obj; | |
1094 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1095 | *found = 1; | |
1096 | } | |
99ad8390 NC |
1097 | |
1098 | static void | |
1099 | gld_${EMULATION_NAME}_after_open (void) | |
1100 | { | |
1101 | #ifdef DLL_SUPPORT | |
1102 | if (pep_dll_extra_pe_debug) | |
1103 | { | |
1104 | bfd *a; | |
1105 | struct bfd_link_hash_entry *sym; | |
1106 | ||
1107 | printf ("%s()\n", __FUNCTION__); | |
1108 | ||
1109 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) | |
1110 | printf ("-%s\n", sym->root.string); | |
1111 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); | |
1112 | ||
1113 | for (a = link_info.input_bfds; a; a = a->link_next) | |
1114 | printf ("*%s\n",a->filename); | |
1115 | } | |
1116 | #endif | |
1117 | ||
1118 | /* Pass the wacky PE command line options into the output bfd. | |
1119 | FIXME: This should be done via a function, rather than by | |
1120 | including an internal BFD header. */ | |
1121 | ||
f13a99db AM |
1122 | if (coff_data (link_info.output_bfd) == NULL |
1123 | || coff_data (link_info.output_bfd)->pe == 0) | |
1124 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1125 | link_info.output_bfd); | |
99ad8390 | 1126 | |
f13a99db AM |
1127 | pe_data (link_info.output_bfd)->pe_opthdr = pep; |
1128 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1129 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
3efd345c DK |
1130 | |
1131 | /* At this point we must decide whether to use long section names | |
1132 | in the output or not. If the user hasn't explicitly specified | |
1133 | on the command line, we leave it to the default for the format | |
1134 | (object files yes, image files no), except if there is debug | |
1135 | information present; GDB relies on the long section names to | |
1136 | find it, so enable it in that case. */ | |
1137 | if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1138 | { | |
1139 | /* Iterate over all sections of all input BFDs, checking | |
1140 | for any that begin 'debug_' and are long names. */ | |
1141 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1142 | { | |
1143 | int found_debug = 0; | |
1144 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1145 | if (found_debug) | |
1146 | { | |
1147 | pep_use_coff_long_section_names = 1; | |
1148 | break; | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | ||
88183869 | 1153 | pep_output_file_set_long_section_names (link_info.output_bfd); |
99ad8390 NC |
1154 | |
1155 | #ifdef DLL_SUPPORT | |
1156 | if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */ | |
1157 | pep_fixup_stdcalls (); | |
1158 | ||
f13a99db | 1159 | pep_process_import_defs (link_info.output_bfd, &link_info); |
99ad8390 NC |
1160 | |
1161 | pep_find_data_imports (); | |
1162 | ||
1163 | #ifndef TARGET_IS_i386pep | |
1164 | if (link_info.shared) | |
1165 | #else | |
1166 | if (!link_info.relocatable) | |
1167 | #endif | |
f13a99db | 1168 | pep_dll_build_sections (link_info.output_bfd, &link_info); |
99ad8390 NC |
1169 | |
1170 | #ifndef TARGET_IS_i386pep | |
1171 | else | |
f13a99db | 1172 | pep_exe_build_sections (link_info.output_bfd, &link_info); |
99ad8390 NC |
1173 | #endif |
1174 | #endif /* DLL_SUPPORT */ | |
1175 | ||
1176 | { | |
1177 | /* This next chunk of code tries to detect the case where you have | |
1178 | two import libraries for the same DLL (specifically, | |
1179 | symbolically linking libm.a and libc.a in cygwin to | |
1180 | libcygwin.a). In those cases, it's possible for function | |
1181 | thunks from the second implib to be used but without the | |
1182 | head/tail objects, causing an improper import table. We detect | |
1183 | those cases and rename the "other" import libraries to match | |
1184 | the one the head/tail come from, so that the linker will sort | |
1185 | things nicely and produce a valid import table. */ | |
1186 | ||
1187 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1188 | { | |
1189 | if (is->the_bfd->my_archive) | |
1190 | { | |
1191 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1192 | asection *sec; | |
1193 | ||
1194 | /* See if this is an import library thunk. */ | |
1195 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1196 | { | |
1197 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1198 | idata2 = 1; | |
1199 | if (CONST_STRNEQ (sec->name, ".idata\$")) | |
1200 | is_imp = 1; | |
1201 | reloc_count += sec->reloc_count; | |
1202 | } | |
1203 | ||
1204 | if (is_imp && !idata2 && reloc_count) | |
1205 | { | |
1206 | /* It is, look for the reference to head and see if it's | |
1207 | from our own library. */ | |
1208 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1209 | { | |
1210 | int i; | |
99ad8390 NC |
1211 | long relsize; |
1212 | asymbol **symbols; | |
1213 | arelent **relocs; | |
1214 | int nrelocs; | |
1215 | ||
99ad8390 NC |
1216 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
1217 | if (relsize < 1) | |
1218 | break; | |
1219 | ||
5c1d2f5f | 1220 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
99ad8390 | 1221 | { |
5c1d2f5f AM |
1222 | einfo (_("%B%F: could not read symbols: %E\n"), |
1223 | is->the_bfd); | |
99ad8390 NC |
1224 | return; |
1225 | } | |
5c1d2f5f | 1226 | symbols = bfd_get_outsymbols (is->the_bfd); |
99ad8390 NC |
1227 | |
1228 | relocs = xmalloc ((size_t) relsize); | |
1229 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, | |
1230 | relocs, symbols); | |
1231 | if (nrelocs < 0) | |
1232 | { | |
1233 | free (relocs); | |
44e36d8a | 1234 | einfo ("%X%P: unable to process relocs: %E\n"); |
99ad8390 NC |
1235 | return; |
1236 | } | |
1237 | ||
1238 | for (i = 0; i < nrelocs; i++) | |
1239 | { | |
1240 | struct bfd_symbol *s; | |
1241 | struct bfd_link_hash_entry * blhe; | |
1242 | char *other_bfd_filename; | |
1243 | char *n; | |
1244 | ||
1245 | s = (relocs[i]->sym_ptr_ptr)[0]; | |
1246 | ||
1247 | if (s->flags & BSF_LOCAL) | |
1248 | continue; | |
1249 | ||
1250 | /* Thunk section with reloc to another bfd. */ | |
1251 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1252 | s->name, | |
1253 | FALSE, FALSE, TRUE); | |
1254 | ||
1255 | if (blhe == NULL | |
1256 | || blhe->type != bfd_link_hash_defined) | |
1257 | continue; | |
1258 | ||
1259 | other_bfd_filename | |
1260 | = blhe->u.def.section->owner->my_archive | |
1261 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1262 | : bfd_get_filename (blhe->u.def.section->owner); | |
1263 | ||
1264 | if (strcmp (bfd_get_filename (is->the_bfd->my_archive), | |
1265 | other_bfd_filename) == 0) | |
1266 | continue; | |
1267 | ||
1268 | /* Rename this implib to match the other one. */ | |
1269 | n = xmalloc (strlen (other_bfd_filename) + 1); | |
1270 | strcpy (n, other_bfd_filename); | |
1271 | is->the_bfd->my_archive->filename = n; | |
1272 | } | |
1273 | ||
1274 | free (relocs); | |
1275 | /* Note - we do not free the symbols, | |
1276 | they are now cached in the BFD. */ | |
1277 | } | |
1278 | } | |
1279 | } | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | { | |
1284 | int is_ms_arch = 0; | |
1285 | bfd *cur_arch = 0; | |
1286 | lang_input_statement_type *is2; | |
1287 | lang_input_statement_type *is3; | |
1288 | ||
1289 | /* Careful - this is a shell script. Watch those dollar signs! */ | |
1290 | /* Microsoft import libraries have every member named the same, | |
1291 | and not in the right order for us to link them correctly. We | |
1292 | must detect these and rename the members so that they'll link | |
1293 | correctly. There are three types of objects: the head, the | |
1294 | thunks, and the sentinel(s). The head is easy; it's the one | |
1295 | with idata2. We assume that the sentinels won't have relocs, | |
1296 | and the thunks will. It's easier than checking the symbol | |
1297 | table for external references. */ | |
1298 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1299 | { | |
1300 | if (is->the_bfd->my_archive) | |
1301 | { | |
1302 | char *pnt; | |
1303 | bfd *arch = is->the_bfd->my_archive; | |
1304 | ||
1305 | if (cur_arch != arch) | |
1306 | { | |
1307 | cur_arch = arch; | |
1308 | is_ms_arch = 1; | |
1309 | ||
1310 | for (is3 = is; | |
1311 | is3 && is3->the_bfd->my_archive == arch; | |
1312 | is3 = (lang_input_statement_type *) is3->next) | |
1313 | { | |
1314 | /* A MS dynamic import library can also contain static | |
1315 | members, so look for the first element with a .dll | |
1316 | extension, and use that for the remainder of the | |
1317 | comparisons. */ | |
1318 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
1319 | if (pnt != NULL && strcmp (pnt, ".dll") == 0) | |
1320 | break; | |
1321 | } | |
1322 | ||
1323 | if (is3 == NULL) | |
1324 | is_ms_arch = 0; | |
1325 | else | |
1326 | { | |
1327 | /* OK, found one. Now look to see if the remaining | |
1328 | (dynamic import) members use the same name. */ | |
1329 | for (is2 = is; | |
1330 | is2 && is2->the_bfd->my_archive == arch; | |
1331 | is2 = (lang_input_statement_type *) is2->next) | |
1332 | { | |
1333 | /* Skip static members, ie anything with a .obj | |
1334 | extension. */ | |
1335 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
1336 | if (pnt != NULL && strcmp (pnt, ".obj") == 0) | |
1337 | continue; | |
1338 | ||
1339 | if (strcmp (is3->the_bfd->filename, | |
1340 | is2->the_bfd->filename)) | |
1341 | { | |
1342 | is_ms_arch = 0; | |
1343 | break; | |
1344 | } | |
1345 | } | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | /* This fragment might have come from an .obj file in a Microsoft | |
1350 | import, and not an actual import record. If this is the case, | |
1351 | then leave the filename alone. */ | |
1352 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1353 | ||
1354 | if (is_ms_arch && (strcmp (pnt, ".dll") == 0)) | |
1355 | { | |
1356 | int idata2 = 0, reloc_count=0; | |
1357 | asection *sec; | |
1358 | char *new_name, seq; | |
1359 | ||
1360 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1361 | { | |
1362 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1363 | idata2 = 1; | |
1364 | reloc_count += sec->reloc_count; | |
1365 | } | |
1366 | ||
1367 | if (idata2) /* .idata2 is the TOC */ | |
1368 | seq = 'a'; | |
1369 | else if (reloc_count > 0) /* thunks */ | |
1370 | seq = 'b'; | |
1371 | else /* sentinel */ | |
1372 | seq = 'c'; | |
1373 | ||
1374 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); | |
1375 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); | |
1376 | is->the_bfd->filename = new_name; | |
1377 | ||
1378 | new_name = xmalloc (strlen (is->filename) + 3); | |
1379 | sprintf (new_name, "%s.%c", is->filename, seq); | |
1380 | is->filename = new_name; | |
1381 | } | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | } | |
1386 | \f | |
1387 | static void | |
1388 | gld_${EMULATION_NAME}_before_allocation (void) | |
1389 | { | |
1390 | before_allocation_default (); | |
1391 | } | |
1392 | \f | |
1393 | #ifdef DLL_SUPPORT | |
1394 | /* This is called when an input file isn't recognized as a BFD. We | |
1395 | check here for .DEF files and pull them in automatically. */ | |
1396 | ||
1397 | static int | |
1398 | saw_option (char *option) | |
1399 | { | |
1400 | int i; | |
1401 | ||
1402 | for (i = 0; init[i].ptr; i++) | |
1403 | if (strcmp (init[i].symbol, option) == 0) | |
1404 | return init[i].inited; | |
1405 | return 0; | |
1406 | } | |
1407 | #endif /* DLL_SUPPORT */ | |
1408 | ||
1409 | static bfd_boolean | |
1410 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) | |
1411 | { | |
1412 | #ifdef DLL_SUPPORT | |
1413 | const char *ext = entry->filename + strlen (entry->filename) - 4; | |
1414 | ||
1415 | if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0) | |
1416 | { | |
1417 | pep_def_file = def_file_parse (entry->filename, pep_def_file); | |
1418 | ||
1419 | if (pep_def_file) | |
1420 | { | |
1421 | int i, buflen=0, len; | |
1422 | char *buf; | |
1423 | ||
1424 | for (i = 0; i < pep_def_file->num_exports; i++) | |
1425 | { | |
1426 | len = strlen (pep_def_file->exports[i].internal_name); | |
1427 | if (buflen < len + 2) | |
1428 | buflen = len + 2; | |
1429 | } | |
1430 | ||
1431 | buf = xmalloc (buflen); | |
1432 | ||
1433 | for (i = 0; i < pep_def_file->num_exports; i++) | |
1434 | { | |
1435 | struct bfd_link_hash_entry *h; | |
1436 | ||
1437 | sprintf (buf, "_%s", pep_def_file->exports[i].internal_name); | |
1438 | ||
1439 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); | |
1440 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1441 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1442 | if (h->type == bfd_link_hash_new) | |
1443 | { | |
1444 | h->type = bfd_link_hash_undefined; | |
1445 | h->u.undef.abfd = NULL; | |
1446 | bfd_link_add_undef (link_info.hash, h); | |
1447 | } | |
1448 | } | |
1449 | free (buf); | |
1450 | ||
1451 | /* def_file_print (stdout, pep_def_file); */ | |
1452 | if (pep_def_file->is_dll == 1) | |
1453 | link_info.shared = 1; | |
1454 | ||
1455 | if (pep_def_file->base_address != (bfd_vma)(-1)) | |
1456 | { | |
f13a99db AM |
1457 | pep.ImageBase |
1458 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1459 | = init[IMAGEBASEOFF].value | |
1460 | = pep_def_file->base_address; | |
99ad8390 NC |
1461 | init[IMAGEBASEOFF].inited = 1; |
1462 | if (image_base_statement) | |
f13a99db AM |
1463 | image_base_statement->exp = exp_assop ('=', "__image_base__", |
1464 | exp_intop (pep.ImageBase)); | |
99ad8390 NC |
1465 | } |
1466 | ||
1467 | if (pep_def_file->stack_reserve != -1 | |
1468 | && ! saw_option ("__size_of_stack_reserve__")) | |
1469 | { | |
1470 | pep.SizeOfStackReserve = pep_def_file->stack_reserve; | |
1471 | if (pep_def_file->stack_commit != -1) | |
1472 | pep.SizeOfStackCommit = pep_def_file->stack_commit; | |
1473 | } | |
1474 | if (pep_def_file->heap_reserve != -1 | |
1475 | && ! saw_option ("__size_of_heap_reserve__")) | |
1476 | { | |
1477 | pep.SizeOfHeapReserve = pep_def_file->heap_reserve; | |
1478 | if (pep_def_file->heap_commit != -1) | |
1479 | pep.SizeOfHeapCommit = pep_def_file->heap_commit; | |
1480 | } | |
1481 | return TRUE; | |
1482 | } | |
1483 | } | |
1484 | #endif | |
1485 | return FALSE; | |
1486 | } | |
1487 | ||
1488 | static bfd_boolean | |
1489 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) | |
1490 | { | |
1491 | #ifdef DLL_SUPPORT | |
1492 | #ifdef TARGET_IS_i386pep | |
1493 | pep_dll_id_target ("pei-x86-64"); | |
1494 | #endif | |
880383ca NC |
1495 | if (pep_bfd_is_dll (entry->the_bfd)) |
1496 | return pep_implied_import_dll (entry->filename); | |
99ad8390 NC |
1497 | #endif |
1498 | return FALSE; | |
1499 | } | |
1500 | ||
1501 | static void | |
1502 | gld_${EMULATION_NAME}_finish (void) | |
1503 | { | |
1504 | finish_default (); | |
1505 | ||
1506 | #ifdef DLL_SUPPORT | |
1507 | if (link_info.shared | |
1508 | || (!link_info.relocatable && pep_def_file->num_exports != 0)) | |
1509 | { | |
f13a99db | 1510 | pep_dll_fill_sections (link_info.output_bfd, &link_info); |
99ad8390 | 1511 | if (pep_implib_filename) |
e1c37eb5 | 1512 | pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info); |
99ad8390 NC |
1513 | } |
1514 | ||
1515 | if (pep_out_def_filename) | |
1516 | pep_dll_generate_def_file (pep_out_def_filename); | |
1517 | #endif /* DLL_SUPPORT */ | |
1518 | ||
1519 | /* I don't know where .idata gets set as code, but it shouldn't be. */ | |
1520 | { | |
f13a99db | 1521 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
99ad8390 NC |
1522 | |
1523 | if (asec) | |
1524 | { | |
1525 | asec->flags &= ~SEC_CODE; | |
1526 | asec->flags |= SEC_DATA; | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | ||
1531 | \f | |
1532 | /* Place an orphan section. | |
1533 | ||
1534 | We use this to put sections in a reasonable place in the file, and | |
1535 | to ensure that they are aligned as required. | |
1536 | ||
d34c1c51 | 1537 | We handle grouped sections here as well. A section named .foo\$nn |
99ad8390 NC |
1538 | goes into the output section .foo. All grouped sections are sorted |
1539 | by name. | |
1540 | ||
1541 | Grouped sections for the default sections are handled by the | |
1542 | default linker script using wildcards, and are sorted by | |
1543 | sort_sections. */ | |
1544 | ||
c2edb4b8 | 1545 | static lang_output_section_statement_type * |
8a99a385 AM |
1546 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
1547 | const char *secname, | |
1548 | int constraint) | |
99ad8390 | 1549 | { |
bcacc0f5 | 1550 | const char *orig_secname = secname; |
99ad8390 NC |
1551 | char *dollar = NULL; |
1552 | lang_output_section_statement_type *os; | |
1553 | lang_statement_list_type add_child; | |
011aa75f | 1554 | lang_statement_union_type **pl; |
99ad8390 | 1555 | |
99ad8390 | 1556 | /* Look through the script to see where to place this section. */ |
99ad8390 | 1557 | if (!link_info.relocatable |
d34c1c51 | 1558 | && (dollar = strchr (secname, '\$')) != NULL) |
99ad8390 | 1559 | { |
bcacc0f5 | 1560 | size_t len = dollar - secname; |
99ad8390 | 1561 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 1562 | memcpy (newname, secname, len); |
99ad8390 NC |
1563 | newname[len] = '\0'; |
1564 | secname = newname; | |
1565 | } | |
1566 | ||
99ad8390 NC |
1567 | lang_list_init (&add_child); |
1568 | ||
d127ecce AM |
1569 | os = NULL; |
1570 | if (constraint == 0) | |
1571 | for (os = lang_output_section_find (secname); | |
1572 | os != NULL; | |
1573 | os = next_matching_output_section_statement (os, 0)) | |
1574 | { | |
1575 | /* If we don't match an existing output section, tell | |
1576 | lang_insert_orphan to create a new output section. */ | |
1577 | constraint = SPECIAL; | |
1578 | ||
1579 | if (os->bfd_section != NULL | |
1580 | && (os->bfd_section->flags == 0 | |
1581 | || ((s->flags ^ os->bfd_section->flags) | |
1582 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
1583 | { | |
1584 | /* We already have an output section statement with this | |
1585 | name, and its bfd section has compatible flags. | |
1586 | If the section already exists but does not have any flags set, | |
1587 | then it has been created by the linker, probably as a result of | |
1588 | a --section-start command line switch. */ | |
1589 | lang_add_section (&add_child, s, os); | |
1590 | break; | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | if (os == NULL) | |
99ad8390 NC |
1595 | { |
1596 | static struct orphan_save hold[] = | |
1597 | { | |
1598 | { ".text", | |
1599 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1600 | 0, 0, 0, 0 }, | |
1601 | { ".rdata", | |
1602 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1603 | 0, 0, 0, 0 }, | |
1604 | { ".data", | |
1605 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1606 | 0, 0, 0, 0 }, | |
1607 | { ".bss", | |
1608 | SEC_ALLOC, | |
1609 | 0, 0, 0, 0 } | |
1610 | }; | |
1611 | enum orphan_save_index | |
1612 | { | |
1613 | orphan_text = 0, | |
1614 | orphan_rodata, | |
1615 | orphan_data, | |
1616 | orphan_bss | |
1617 | }; | |
1618 | static int orphan_init_done = 0; | |
1619 | struct orphan_save *place; | |
1620 | lang_output_section_statement_type *after; | |
1621 | etree_type *address; | |
1622 | ||
1623 | if (!orphan_init_done) | |
1624 | { | |
1625 | struct orphan_save *ho; | |
1626 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1627 | if (ho->name != NULL) | |
1628 | { | |
1629 | ho->os = lang_output_section_find (ho->name); | |
1630 | if (ho->os != NULL && ho->os->flags == 0) | |
1631 | ho->os->flags = ho->flags; | |
1632 | } | |
1633 | orphan_init_done = 1; | |
1634 | } | |
1635 | ||
1636 | /* Try to put the new output section in a reasonable place based | |
1637 | on the section name and section flags. */ | |
1638 | ||
1639 | place = NULL; | |
1640 | if ((s->flags & SEC_ALLOC) == 0) | |
1641 | ; | |
1642 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1643 | place = &hold[orphan_bss]; | |
1644 | else if ((s->flags & SEC_READONLY) == 0) | |
1645 | place = &hold[orphan_data]; | |
1646 | else if ((s->flags & SEC_CODE) == 0) | |
1647 | place = &hold[orphan_rodata]; | |
1648 | else | |
1649 | place = &hold[orphan_text]; | |
1650 | ||
1651 | after = NULL; | |
1652 | if (place != NULL) | |
1653 | { | |
1654 | if (place->os == NULL) | |
1655 | place->os = lang_output_section_find (place->name); | |
1656 | after = place->os; | |
1657 | if (after == NULL) | |
1658 | after = lang_output_section_find_by_flags (s, &place->os, NULL); | |
1659 | if (after == NULL) | |
1660 | /* *ABS* is always the first output section statement. */ | |
1661 | after = (&lang_output_section_statement.head | |
1662 | ->output_section_statement); | |
1663 | } | |
1664 | ||
99ad8390 NC |
1665 | /* All sections in an executable must be aligned to a page boundary. */ |
1666 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); | |
8a99a385 AM |
1667 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
1668 | &add_child); | |
99ad8390 NC |
1669 | } |
1670 | ||
011aa75f AM |
1671 | /* If the section name has a '\$', sort it with the other '\$' |
1672 | sections. */ | |
1673 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
1674 | { | |
1675 | lang_input_section_type *ls; | |
1676 | const char *lname; | |
99ad8390 | 1677 | |
011aa75f AM |
1678 | if ((*pl)->header.type != lang_input_section_enum) |
1679 | continue; | |
99ad8390 | 1680 | |
011aa75f | 1681 | ls = &(*pl)->input_section; |
99ad8390 | 1682 | |
011aa75f AM |
1683 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
1684 | if (strchr (lname, '\$') != NULL | |
1685 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
1686 | break; | |
1687 | } | |
99ad8390 | 1688 | |
011aa75f AM |
1689 | if (add_child.head != NULL) |
1690 | { | |
1691 | *add_child.tail = *pl; | |
1692 | *pl = add_child.head; | |
1693 | } | |
99ad8390 | 1694 | |
c2edb4b8 | 1695 | return os; |
99ad8390 NC |
1696 | } |
1697 | ||
1698 | static bfd_boolean | |
1699 | gld_${EMULATION_NAME}_open_dynamic_archive | |
1700 | (const char *arch ATTRIBUTE_UNUSED, | |
1701 | search_dirs_type *search, | |
1702 | lang_input_statement_type *entry) | |
1703 | { | |
1704 | static const struct | |
1705 | { | |
1706 | const char * format; | |
1707 | bfd_boolean use_prefix; | |
1708 | } | |
1709 | libname_fmt [] = | |
1710 | { | |
1711 | /* Preferred explicit import library for dll's. */ | |
1712 | { "lib%s.dll.a", FALSE }, | |
1713 | /* Alternate explicit import library for dll's. */ | |
1714 | { "%s.dll.a", FALSE }, | |
1715 | /* "libfoo.a" could be either an import lib or a static lib. | |
1716 | For backwards compatibility, libfoo.a needs to precede | |
1717 | libfoo.dll and foo.dll in the search. */ | |
1718 | { "lib%s.a", FALSE }, | |
92b93329 | 1719 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
99ad8390 NC |
1720 | { "%s.lib", FALSE }, |
1721 | #ifdef DLL_SUPPORT | |
1722 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
1723 | { "%s%s.dll", TRUE }, | |
1724 | #endif | |
1725 | /* Try "libfoo.dll" (default preferred dll name). */ | |
1726 | { "lib%s.dll", FALSE }, | |
1727 | /* Finally try 'native' dll name "foo.dll". */ | |
1728 | { "%s.dll", FALSE }, | |
1729 | /* Note: If adding more formats to this table, make sure to check to | |
1730 | see if their length is longer than libname_fmt[0].format, and if | |
1731 | so, update the call to xmalloc() below. */ | |
1732 | { NULL, FALSE } | |
1733 | }; | |
1734 | static unsigned int format_max_len = 0; | |
1735 | const char * filename; | |
1736 | char * full_string; | |
1737 | char * base_string; | |
1738 | unsigned int i; | |
1739 | ||
1740 | ||
1741 | if (! entry->is_archive) | |
1742 | return FALSE; | |
1743 | ||
1744 | filename = entry->filename; | |
1745 | ||
1746 | if (format_max_len == 0) | |
1747 | /* We need to allow space in the memory that we are going to allocate | |
1748 | for the characters in the format string. Since the format array is | |
1749 | static we only need to calculate this information once. In theory | |
1750 | this value could also be computed statically, but this introduces | |
1751 | the possibility for a discrepancy and hence a possible memory | |
1752 | corruption. The lengths we compute here will be too long because | |
1753 | they will include any formating characters (%s) in the strings, but | |
1754 | this will not matter. */ | |
1755 | for (i = 0; libname_fmt[i].format; i++) | |
1756 | if (format_max_len < strlen (libname_fmt[i].format)) | |
1757 | format_max_len = strlen (libname_fmt[i].format); | |
1758 | ||
1759 | full_string = xmalloc (strlen (search->name) | |
1760 | + strlen (filename) | |
1761 | + format_max_len | |
1762 | #ifdef DLL_SUPPORT | |
1763 | + (pep_dll_search_prefix | |
1764 | ? strlen (pep_dll_search_prefix) : 0) | |
1765 | #endif | |
1766 | /* Allow for the terminating NUL and for the path | |
1767 | separator character that is inserted between | |
1768 | search->name and the start of the format string. */ | |
1769 | + 2); | |
1770 | ||
1771 | sprintf (full_string, "%s/", search->name); | |
1772 | base_string = full_string + strlen (full_string); | |
1773 | ||
1774 | for (i = 0; libname_fmt[i].format; i++) | |
1775 | { | |
92b93329 | 1776 | #ifdef DLL_SUPPORT |
99ad8390 NC |
1777 | if (libname_fmt[i].use_prefix) |
1778 | { | |
1779 | if (!pep_dll_search_prefix) | |
1780 | continue; | |
1781 | sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename); | |
1782 | } | |
1783 | else | |
1784 | #endif | |
1785 | sprintf (base_string, libname_fmt[i].format, filename); | |
1786 | ||
1787 | if (ldfile_try_open_bfd (full_string, entry)) | |
1788 | break; | |
1789 | } | |
1790 | ||
1791 | if (!libname_fmt[i].format) | |
1792 | { | |
1793 | free (full_string); | |
1794 | return FALSE; | |
1795 | } | |
1796 | ||
1797 | entry->filename = full_string; | |
1798 | ||
1799 | return TRUE; | |
1800 | } | |
1801 | ||
1802 | static int | |
1803 | gld_${EMULATION_NAME}_find_potential_libraries | |
1804 | (char *name, lang_input_statement_type *entry) | |
1805 | { | |
1806 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
1807 | } | |
1808 | \f | |
1809 | static char * | |
1810 | gld_${EMULATION_NAME}_get_script (int *isfile) | |
1811 | EOF | |
1812 | # Scripts compiled in. | |
1813 | # sed commands to quote an ld script as a C string. | |
1814 | sc="-f stringify.sed" | |
1815 | ||
92b93329 | 1816 | fragment <<EOF |
99ad8390 NC |
1817 | { |
1818 | *isfile = 0; | |
1819 | ||
1820 | if (link_info.relocatable && config.build_constructors) | |
1821 | return | |
1822 | EOF | |
1823 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
1824 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1825 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1826 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1827 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1828 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1829 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 NC |
1830 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
1831 | echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c | |
1832 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c | |
1833 | fi | |
99ad8390 NC |
1834 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1835 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1836 | echo '; }' >> e${EMULATION_NAME}.c | |
1837 | ||
92b93329 | 1838 | fragment <<EOF |
99ad8390 NC |
1839 | |
1840 | ||
1841 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
1842 | { | |
1843 | gld_${EMULATION_NAME}_before_parse, | |
1844 | syslib_default, | |
1845 | hll_default, | |
1846 | gld_${EMULATION_NAME}_after_parse, | |
1847 | gld_${EMULATION_NAME}_after_open, | |
1848 | after_allocation_default, | |
1849 | set_output_arch_default, | |
1850 | ldemul_default_target, | |
1851 | gld_${EMULATION_NAME}_before_allocation, | |
1852 | gld_${EMULATION_NAME}_get_script, | |
1853 | "${EMULATION_NAME}", | |
1854 | "${OUTPUT_FORMAT}", | |
1855 | gld_${EMULATION_NAME}_finish, | |
1856 | NULL, /* Create output section statements. */ | |
1857 | gld_${EMULATION_NAME}_open_dynamic_archive, | |
1858 | gld_${EMULATION_NAME}_place_orphan, | |
1859 | gld_${EMULATION_NAME}_set_symbols, | |
1860 | NULL, /* parse_args */ | |
1861 | gld${EMULATION_NAME}_add_options, | |
1862 | gld${EMULATION_NAME}_handle_option, | |
1863 | gld_${EMULATION_NAME}_unrecognized_file, | |
1864 | gld_${EMULATION_NAME}_list_options, | |
1865 | gld_${EMULATION_NAME}_recognized_file, | |
1866 | gld_${EMULATION_NAME}_find_potential_libraries, | |
1867 | NULL /* new_vers_pattern. */ | |
1868 | }; | |
1869 | EOF |