Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
e60cc415 | 3 | test -z "${ENTRY}" && ENTRY="_mainCRTStartup" |
3fc90ddb | 4 | if [ -z "$MACHINE" ]; then |
86af25fe L |
5 | OUTPUT_ARCH=${ARCH} |
6 | else | |
7 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
8 | fi | |
361d94e7 ILT |
9 | rm -f e${EMULATION_NAME}.c |
10 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 11 | fragment <<EOF |
f96b4a7b | 12 | /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
f13a99db | 13 | 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
252b5132 | 14 | |
f96b4a7b NC |
15 | This file is part of the GNU Binutils. |
16 | ||
2fa9fc65 NC |
17 | This program is free software; you can redistribute it and/or modify |
18 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 19 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 20 | (at your option) any later version. |
252b5132 | 21 | |
2fa9fc65 NC |
22 | This program is distributed in the hope that it will be useful, |
23 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | GNU General Public License for more details. | |
252b5132 | 26 | |
2fa9fc65 NC |
27 | You should have received a copy of the GNU General Public License |
28 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
29 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
30 | MA 02110-1301, USA. */ | |
31 | ||
252b5132 RH |
32 | |
33 | /* For WINDOWS_NT */ | |
34 | /* The original file generated returned different default scripts depending | |
35 | on whether certain switches were set, but these switches pertain to the | |
36 | Linux system and that particular version of coff. In the NT case, we | |
37 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
38 | the correct entry point by default. */ |
39 | ||
db09f25b AM |
40 | #define TARGET_IS_${EMULATION_NAME} |
41 | ||
42 | /* Do this before including bfd.h, so we prototype the right functions. */ | |
db09f25b | 43 | |
7148cc28 NC |
44 | #if defined(TARGET_IS_armpe) \ |
45 | || defined(TARGET_IS_arm_epoc_pe) \ | |
46 | || defined(TARGET_IS_arm_wince_pe) | |
47 | #define bfd_arm_allocate_interworking_sections \ | |
48 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
49 | #define bfd_arm_get_bfd_for_interworking \ | |
50 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
51 | #define bfd_arm_process_before_allocation \ | |
52 | bfd_${EMULATION_NAME}_process_before_allocation | |
53 | #endif | |
92b93329 | 54 | |
252b5132 | 55 | #include "sysdep.h" |
3db64b00 | 56 | #include "bfd.h" |
252b5132 RH |
57 | #include "bfdlink.h" |
58 | #include "getopt.h" | |
59 | #include "libiberty.h" | |
60 | #include "ld.h" | |
61 | #include "ldmain.h" | |
252b5132 RH |
62 | #include "ldexp.h" |
63 | #include "ldlang.h" | |
b71e2778 | 64 | #include "ldfile.h" |
252b5132 | 65 | #include "ldemul.h" |
df2a7313 | 66 | #include <ldgram.h> |
252b5132 RH |
67 | #include "ldlex.h" |
68 | #include "ldmisc.h" | |
69 | #include "ldctor.h" | |
252b5132 | 70 | #include "coff/internal.h" |
71add731 | 71 | |
26d2d8a2 BF |
72 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
73 | header in generic PE code. */ | |
74 | #include "coff/i386.h" | |
75 | #include "coff/pe.h" | |
76 | ||
71add731 ILT |
77 | /* FIXME: This is a BFD internal header file, and we should not be |
78 | using it here. */ | |
252b5132 | 79 | #include "../bfd/libcoff.h" |
71add731 | 80 | |
252b5132 | 81 | #include "deffile.h" |
1069dd8d | 82 | #include "pe-dll.h" |
29e1a6e4 | 83 | #include "safe-ctype.h" |
14fe918e | 84 | |
2be9b2c7 ILT |
85 | /* Permit the emulation parameters to override the default section |
86 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
87 | it seem that include/coff/internal.h should not define | |
88 | PE_DEF_SECTION_ALIGNMENT. */ | |
89 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
90 | #undef PE_DEF_SECTION_ALIGNMENT | |
91 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
92 | #endif | |
93 | ||
7148cc28 NC |
94 | #if defined(TARGET_IS_i386pe) \ |
95 | || defined(TARGET_IS_shpe) \ | |
96 | || defined(TARGET_IS_mipspe) \ | |
97 | || defined(TARGET_IS_armpe) \ | |
98 | || defined(TARGET_IS_arm_epoc_pe) \ | |
99 | || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
100 | #define DLL_SUPPORT |
101 | #endif | |
c6c37250 | 102 | |
344a211f | 103 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 104 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
105 | #else |
106 | #undef NT_EXE_IMAGE_BASE | |
107 | #undef PE_DEF_SECTION_ALIGNMENT | |
108 | #undef PE_DEF_FILE_ALIGNMENT | |
109 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
110 | |
111 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
112 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
113 | #define PE_DEF_SUBSYSTEM 9 | |
114 | #else | |
115 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
116 | #define PE_DEF_SUBSYSTEM 2 | |
117 | #endif | |
118 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
119 | #endif | |
c6c37250 | 120 | |
00479ba8 | 121 | #define U(S) ${INITIAL_SYMBOL_CHAR} S |
252b5132 RH |
122 | |
123 | static struct internal_extra_pe_aouthdr pe; | |
124 | static int dll; | |
26d2d8a2 | 125 | static flagword real_flags = 0; |
252b5132 | 126 | static int support_old_code = 0; |
6f798e5c | 127 | static char * thumb_entry_symbol = NULL; |
252b5132 RH |
128 | static lang_assignment_statement_type *image_base_statement = 0; |
129 | ||
f0c87f88 | 130 | #ifdef DLL_SUPPORT |
4cd89863 | 131 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e NC |
132 | static char *pe_out_def_filename = NULL; |
133 | static char *pe_implib_filename = NULL; | |
5f577f7d | 134 | static int pe_enable_auto_image_base = 0; |
627427de | 135 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 136 | #endif |
252b5132 RH |
137 | |
138 | extern const char *output_filename; | |
139 | ||
140 | static void | |
0c7a8e5a | 141 | gld_${EMULATION_NAME}_before_parse (void) |
252b5132 | 142 | { |
5e2f1575 | 143 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 144 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 145 | #ifdef DLL_SUPPORT |
b34976b6 | 146 | config.dynamic_link = TRUE; |
252b5132 | 147 | config.has_shared = 1; |
e0076ab3 | 148 | link_info.pei386_auto_import = -1; |
6cb442d3 | 149 | link_info.pei386_runtime_pseudo_reloc = 1; /* Use by default version 1. */ |
344a211f NC |
150 | |
151 | #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2) | |
7148cc28 | 152 | #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe |
a359509e | 153 | lang_default_entry ("WinMainCRTStartup"); |
344a211f | 154 | #else |
a359509e | 155 | lang_default_entry ("_WinMainCRTStartup"); |
344a211f | 156 | #endif |
e60cc415 DS |
157 | #else |
158 | lang_default_entry ("${ENTRY}"); | |
344a211f | 159 | #endif |
252b5132 RH |
160 | #endif |
161 | } | |
162 | \f | |
163 | /* PE format extra command line options. */ | |
164 | ||
4cd89863 | 165 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
166 | #define OPTION_BASE_FILE (300 + 1) |
167 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
168 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
169 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
170 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
171 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
172 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
173 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
174 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
175 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
176 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
177 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
178 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
179 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
180 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
181 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
182 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
183 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
184 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1) | |
185 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) | |
186 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
187 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
188 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) | |
6f798e5c | 189 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
870df5dc NC |
190 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
191 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
192 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
193 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
194 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
195 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
196 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
197 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
198 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 199 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
200 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
201 | (OPTION_EXCLUDE_LIBS + 1) | |
202 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
203 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
26d2d8a2 BF |
204 | #define OPTION_LARGE_ADDRESS_AWARE \ |
205 | (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6cb442d3 KT |
206 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
207 | (OPTION_LARGE_ADDRESS_AWARE + 1) | |
208 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ | |
209 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
252b5132 | 210 | |
3bcf5557 | 211 | static void |
0c7a8e5a AM |
212 | gld${EMULATION_NAME}_add_options |
213 | (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl, | |
214 | struct option **longopts, int nrl ATTRIBUTE_UNUSED, | |
215 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 AM |
216 | { |
217 | static const struct option xtra_long[] = { | |
218 | /* PE options */ | |
219 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
220 | {"dll", no_argument, NULL, OPTION_DLL}, | |
221 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
222 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
223 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
224 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
225 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
226 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
227 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
228 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
229 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
230 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
231 | {"stack", required_argument, NULL, OPTION_STACK}, | |
232 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
233 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
234 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
c6c37250 | 235 | #ifdef DLL_SUPPORT |
3bcf5557 AM |
236 | /* getopt allows abbreviations, so we do this to stop it from treating -o |
237 | as an abbreviation for this option */ | |
238 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
239 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
240 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
241 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
242 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, | |
243 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, | |
244 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
245 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
246 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
247 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
248 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, | |
249 | /* getopt() allows abbreviations, so we do this to stop it from | |
250 | treating -c as an abbreviation for these --compat-implib. */ | |
251 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
252 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
253 | {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, | |
254 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, | |
255 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
256 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
257 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
258 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
259 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
260 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
261 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
262 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
263 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 264 | #endif |
26d2d8a2 | 265 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
3bcf5557 AM |
266 | {NULL, no_argument, NULL, 0} |
267 | }; | |
252b5132 | 268 | |
3bcf5557 AM |
269 | *longopts = (struct option *) |
270 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
271 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
272 | } | |
252b5132 RH |
273 | |
274 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 275 | parameters which may be input from the command line. */ |
252b5132 RH |
276 | |
277 | typedef struct | |
278 | { | |
279 | void *ptr; | |
280 | int size; | |
281 | int value; | |
282 | char *symbol; | |
283 | int inited; | |
284 | } definfo; | |
285 | ||
286 | #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} | |
287 | ||
288 | static definfo init[] = | |
289 | { | |
290 | /* imagebase must be first */ | |
291 | #define IMAGEBASEOFF 0 | |
292 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), | |
293 | #define DLLOFF 1 | |
1069dd8d | 294 | {&dll, sizeof(dll), 0, "__dll__", 0}, |
dffc6a64 KT |
295 | #define MSIMAGEBASEOFF 2 |
296 | D(ImageBase, U ("__ImageBase"), NT_EXE_IMAGE_BASE), | |
252b5132 RH |
297 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), |
298 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), | |
299 | D(MajorOperatingSystemVersion,"__major_os_version__", 4), | |
300 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0), | |
301 | D(MajorImageVersion,"__major_image_version__", 1), | |
302 | D(MinorImageVersion,"__minor_image_version__", 0), | |
7148cc28 | 303 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
53baae48 | 304 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3), |
344a211f | 305 | #else |
252b5132 | 306 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4), |
344a211f | 307 | #endif |
252b5132 | 308 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), |
2be9b2c7 | 309 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}), |
3763134d | 310 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000), |
252b5132 RH |
311 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), |
312 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), | |
313 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), | |
314 | D(LoaderFlags,"__loader_flags__", 0x0), | |
315 | { NULL, 0, 0, NULL, 0 } | |
316 | }; | |
317 | ||
4cd89863 | 318 | |
252b5132 | 319 | static void |
0c7a8e5a | 320 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
321 | { |
322 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
323 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
324 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
325 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
326 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
327 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
328 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
329 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
330 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
331 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
332 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
333 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
334 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
335 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
336 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
6f798e5c | 337 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
c6c37250 | 338 | #ifdef DLL_SUPPORT |
252b5132 RH |
339 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
340 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
341 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
342 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
b34976b6 | 343 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
252b5132 RH |
344 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
345 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
346 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
347 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
0752a404 | 348 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n")); |
e3c8793a NC |
349 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
350 | create __imp_<SYMBOL> as well.\n")); | |
351 | fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\ | |
352 | unless user specifies one\n")); | |
5f577f7d | 353 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
354 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
355 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 356 | in preference to lib<basename>.dll \n")); |
489d0400 | 357 | fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\ |
e3c8793a | 358 | __imp_sym for DATA references\n")); |
decc3638 | 359 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 360 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
361 | adding pseudo-relocations resolved at\n\ |
362 | runtime.\n")); | |
2fa9fc65 NC |
363 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
364 | auto-imported DATA.\n")); | |
e3c8793a NC |
365 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
366 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 367 | #endif |
26d2d8a2 BF |
368 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
369 | greater than 2 gigabytes\n")); | |
252b5132 RH |
370 | } |
371 | ||
4cd89863 | 372 | |
252b5132 | 373 | static void |
0c7a8e5a | 374 | set_pe_name (char *name, long val) |
252b5132 RH |
375 | { |
376 | int i; | |
4cd89863 NC |
377 | |
378 | /* Find the name and set it. */ | |
252b5132 RH |
379 | for (i = 0; init[i].ptr; i++) |
380 | { | |
381 | if (strcmp (name, init[i].symbol) == 0) | |
382 | { | |
383 | init[i].value = val; | |
384 | init[i].inited = 1; | |
dffc6a64 KT |
385 | if (strcmp (name,"__image_base__") == 0) |
386 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
387 | return; |
388 | } | |
389 | } | |
939ba9d0 | 390 | abort (); |
252b5132 RH |
391 | } |
392 | ||
393 | ||
394 | static void | |
0c7a8e5a | 395 | set_pe_subsystem (void) |
252b5132 RH |
396 | { |
397 | const char *sver; | |
33f362e1 NC |
398 | const char *entry; |
399 | const char *initial_symbol_char; | |
400 | char *end; | |
252b5132 RH |
401 | int len; |
402 | int i; | |
33f362e1 NC |
403 | int subsystem; |
404 | unsigned long temp_subsystem; | |
3fc90ddb | 405 | static const struct |
252b5132 RH |
406 | { |
407 | const char *name; | |
408 | const int value; | |
409 | const char *entry; | |
410 | } | |
411 | v[] = | |
412 | { | |
33f362e1 | 413 | { "native", 1, "NtProcessStartup" }, |
2be9b2c7 ILT |
414 | { "windows", 2, "WinMainCRTStartup" }, |
415 | { "console", 3, "mainCRTStartup" }, | |
33f362e1 | 416 | { "posix", 7, "__PosixProcessStartup"}, |
00479ba8 | 417 | { "wince", 9, "WinMainCRTStartup" }, |
33f362e1 NC |
418 | { "xbox", 14, "mainCRTStartup" }, |
419 | { NULL, 0, NULL } | |
252b5132 | 420 | }; |
33f362e1 NC |
421 | /* Entry point name for arbitrary subsystem numbers. */ |
422 | static const char default_entry[] = "mainCRTStartup"; | |
252b5132 | 423 | |
33f362e1 | 424 | /* Check for the presence of a version number. */ |
252b5132 RH |
425 | sver = strchr (optarg, ':'); |
426 | if (sver == NULL) | |
427 | len = strlen (optarg); | |
428 | else | |
429 | { | |
252b5132 RH |
430 | len = sver - optarg; |
431 | set_pe_name ("__major_subsystem_version__", | |
432 | strtoul (sver + 1, &end, 0)); | |
433 | if (*end == '.') | |
434 | set_pe_name ("__minor_subsystem_version__", | |
435 | strtoul (end + 1, &end, 0)); | |
436 | if (*end != '\0') | |
437 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
438 | } | |
439 | ||
33f362e1 NC |
440 | /* Check for numeric subsystem. */ |
441 | temp_subsystem = strtoul (optarg, & end, 0); | |
442 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 443 | { |
33f362e1 NC |
444 | /* Search list for a numeric match to use its entry point. */ |
445 | for (i = 0; v[i].name; i++) | |
446 | if (v[i].value == (int) temp_subsystem) | |
447 | break; | |
448 | ||
449 | /* If no match, use the default. */ | |
450 | if (v[i].name != NULL) | |
451 | entry = v[i].entry; | |
452 | else | |
453 | entry = default_entry; | |
454 | ||
455 | /* Use this subsystem. */ | |
456 | subsystem = (int) temp_subsystem; | |
457 | } | |
458 | else | |
459 | { | |
460 | /* Search for subsystem by name. */ | |
461 | for (i = 0; v[i].name; i++) | |
462 | if (strncmp (optarg, v[i].name, len) == 0 | |
463 | && v[i].name[len] == '\0') | |
464 | break; | |
252b5132 | 465 | |
33f362e1 NC |
466 | if (v[i].name == NULL) |
467 | { | |
468 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
252b5132 RH |
469 | return; |
470 | } | |
33f362e1 NC |
471 | |
472 | entry = v[i].entry; | |
473 | subsystem = v[i].value; | |
252b5132 | 474 | } |
3fc90ddb | 475 | |
33f362e1 NC |
476 | set_pe_name ("__subsystem__", subsystem); |
477 | ||
478 | initial_symbol_char = ${INITIAL_SYMBOL_CHAR}; | |
479 | if (*initial_symbol_char != '\0') | |
480 | { | |
481 | char *alc_entry; | |
482 | ||
a359509e | 483 | /* lang_default_entry expects its argument to be permanently |
33f362e1 NC |
484 | allocated, so we don't free this string. */ |
485 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
486 | + strlen (entry) | |
487 | + 1); | |
488 | strcpy (alc_entry, initial_symbol_char); | |
489 | strcat (alc_entry, entry); | |
490 | entry = alc_entry; | |
491 | } | |
492 | ||
a359509e | 493 | lang_default_entry (entry); |
33f362e1 NC |
494 | |
495 | return; | |
252b5132 RH |
496 | } |
497 | ||
498 | ||
252b5132 | 499 | static void |
0c7a8e5a | 500 | set_pe_value (char *name) |
252b5132 RH |
501 | { |
502 | char *end; | |
3fc90ddb | 503 | |
252b5132 | 504 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 505 | |
252b5132 RH |
506 | if (end == optarg) |
507 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
508 | ||
509 | optarg = end; | |
510 | } | |
511 | ||
4cd89863 | 512 | |
252b5132 | 513 | static void |
0c7a8e5a | 514 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
515 | { |
516 | set_pe_value (resname); | |
3fc90ddb | 517 | |
252b5132 RH |
518 | if (*optarg == ',') |
519 | { | |
520 | optarg++; | |
521 | set_pe_value (comname); | |
522 | } | |
523 | else if (*optarg) | |
524 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
525 | } | |
526 | ||
527 | ||
3bcf5557 | 528 | static bfd_boolean |
0c7a8e5a | 529 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 530 | { |
252b5132 RH |
531 | switch (optc) |
532 | { | |
533 | default: | |
3bcf5557 | 534 | return FALSE; |
252b5132 RH |
535 | |
536 | case OPTION_BASE_FILE: | |
0c7a8e5a | 537 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 RH |
538 | if (link_info.base_file == NULL) |
539 | { | |
540 | /* xgettext:c-format */ | |
541 | fprintf (stderr, _("%s: Can't open base file %s\n"), | |
542 | program_name, optarg); | |
543 | xexit (1); | |
544 | } | |
545 | break; | |
546 | ||
4cd89863 | 547 | /* PE options. */ |
3fc90ddb | 548 | case OPTION_HEAP: |
252b5132 RH |
549 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
550 | break; | |
3fc90ddb | 551 | case OPTION_STACK: |
252b5132 RH |
552 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
553 | break; | |
554 | case OPTION_SUBSYSTEM: | |
555 | set_pe_subsystem (); | |
556 | break; | |
557 | case OPTION_MAJOR_OS_VERSION: | |
558 | set_pe_value ("__major_os_version__"); | |
559 | break; | |
560 | case OPTION_MINOR_OS_VERSION: | |
561 | set_pe_value ("__minor_os_version__"); | |
562 | break; | |
563 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
564 | set_pe_value ("__major_subsystem_version__"); | |
565 | break; | |
566 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
567 | set_pe_value ("__minor_subsystem_version__"); | |
568 | break; | |
569 | case OPTION_MAJOR_IMAGE_VERSION: | |
570 | set_pe_value ("__major_image_version__"); | |
571 | break; | |
572 | case OPTION_MINOR_IMAGE_VERSION: | |
573 | set_pe_value ("__minor_image_version__"); | |
574 | break; | |
575 | case OPTION_FILE_ALIGNMENT: | |
576 | set_pe_value ("__file_alignment__"); | |
577 | break; | |
578 | case OPTION_SECTION_ALIGNMENT: | |
579 | set_pe_value ("__section_alignment__"); | |
580 | break; | |
581 | case OPTION_DLL: | |
582 | set_pe_name ("__dll__", 1); | |
583 | break; | |
584 | case OPTION_IMAGE_BASE: | |
585 | set_pe_value ("__image_base__"); | |
586 | break; | |
587 | case OPTION_SUPPORT_OLD_CODE: | |
588 | support_old_code = 1; | |
589 | break; | |
6f798e5c NC |
590 | case OPTION_THUMB_ENTRY: |
591 | thumb_entry_symbol = optarg; | |
592 | break; | |
c6c37250 | 593 | #ifdef DLL_SUPPORT |
252b5132 RH |
594 | case OPTION_OUT_DEF: |
595 | pe_out_def_filename = xstrdup (optarg); | |
596 | break; | |
597 | case OPTION_EXPORT_ALL: | |
598 | pe_dll_export_everything = 1; | |
599 | break; | |
600 | case OPTION_EXCLUDE_SYMBOLS: | |
70b0be79 CF |
601 | pe_dll_add_excludes (optarg, 0); |
602 | break; | |
603 | case OPTION_EXCLUDE_LIBS: | |
604 | pe_dll_add_excludes (optarg, 1); | |
252b5132 RH |
605 | break; |
606 | case OPTION_KILL_ATS: | |
607 | pe_dll_kill_ats = 1; | |
608 | break; | |
609 | case OPTION_STDCALL_ALIASES: | |
610 | pe_dll_stdcall_aliases = 1; | |
611 | break; | |
612 | case OPTION_ENABLE_STDCALL_FIXUP: | |
613 | pe_enable_stdcall_fixup = 1; | |
614 | break; | |
615 | case OPTION_DISABLE_STDCALL_FIXUP: | |
616 | pe_enable_stdcall_fixup = 0; | |
617 | break; | |
618 | case OPTION_IMPLIB_FILENAME: | |
619 | pe_implib_filename = xstrdup (optarg); | |
620 | break; | |
870df5dc NC |
621 | case OPTION_WARN_DUPLICATE_EXPORTS: |
622 | pe_dll_warn_dup_exports = 1; | |
623 | break; | |
624 | case OPTION_IMP_COMPAT: | |
625 | pe_dll_compat_implib = 1; | |
626 | break; | |
5f577f7d DD |
627 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
628 | pe_enable_auto_image_base = 1; | |
629 | break; | |
630 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
631 | pe_enable_auto_image_base = 0; | |
632 | break; | |
627427de | 633 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 634 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 635 | break; |
1122a5fc NC |
636 | case OPTION_NO_DEFAULT_EXCLUDES: |
637 | pe_dll_do_default_excludes = 0; | |
638 | break; | |
decc3638 | 639 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 640 | link_info.pei386_auto_import = 1; |
decc3638 CW |
641 | break; |
642 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 643 | link_info.pei386_auto_import = 0; |
decc3638 | 644 | break; |
2fa9fc65 NC |
645 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
646 | link_info.pei386_runtime_pseudo_reloc = 1; | |
647 | break; | |
6cb442d3 KT |
648 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
649 | link_info.pei386_runtime_pseudo_reloc = 1; | |
650 | break; | |
651 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
652 | link_info.pei386_runtime_pseudo_reloc = 2; | |
653 | break; | |
2fa9fc65 NC |
654 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
655 | link_info.pei386_runtime_pseudo_reloc = 0; | |
656 | break; | |
decc3638 CW |
657 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
658 | pe_dll_extra_pe_debug = 1; | |
659 | break; | |
c6c37250 | 660 | #endif |
26d2d8a2 BF |
661 | case OPTION_LARGE_ADDRESS_AWARE: |
662 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
663 | break; | |
252b5132 | 664 | } |
3bcf5557 | 665 | return TRUE; |
252b5132 RH |
666 | } |
667 | \f | |
5f577f7d | 668 | |
2ef53d66 | 669 | #ifdef DLL_SUPPORT |
3fc90ddb | 670 | static unsigned long |
5f577f7d DD |
671 | strhash (const char *str) |
672 | { | |
673 | const unsigned char *s; | |
674 | unsigned long hash; | |
675 | unsigned int c; | |
676 | unsigned int len; | |
677 | ||
678 | hash = 0; | |
679 | len = 0; | |
680 | s = (const unsigned char *) str; | |
681 | while ((c = *s++) != '\0') | |
682 | { | |
683 | hash += c + (c << 17); | |
684 | hash ^= hash >> 2; | |
685 | ++len; | |
686 | } | |
687 | hash += len + (len << 17); | |
688 | hash ^= hash >> 2; | |
689 | ||
690 | return hash; | |
691 | } | |
692 | ||
4cd89863 NC |
693 | /* Use the output file to create a image base for relocatable DLLs. */ |
694 | ||
5f577f7d DD |
695 | static unsigned long |
696 | compute_dll_image_base (const char *ofile) | |
697 | { | |
698 | unsigned long hash = strhash (ofile); | |
2c7fd14a | 699 | return 0x61300000 + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 700 | } |
2ef53d66 | 701 | #endif |
5f577f7d | 702 | |
252b5132 RH |
703 | /* Assign values to the special symbols before the linker script is |
704 | read. */ | |
705 | ||
706 | static void | |
0c7a8e5a | 707 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
708 | { |
709 | /* Run through and invent symbols for all the | |
4cd89863 | 710 | names and insert the defaults. */ |
252b5132 RH |
711 | int j; |
712 | lang_statement_list_type *save; | |
713 | ||
714 | if (!init[IMAGEBASEOFF].inited) | |
715 | { | |
1049f94e | 716 | if (link_info.relocatable) |
252b5132 | 717 | init[IMAGEBASEOFF].value = 0; |
db8acf26 | 718 | else if (init[DLLOFF].value || (link_info.shared && !link_info.pie)) |
2ef53d66 | 719 | #ifdef DLL_SUPPORT |
5f577f7d DD |
720 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ? |
721 | compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE; | |
2ef53d66 L |
722 | #else |
723 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; | |
724 | #endif | |
252b5132 RH |
725 | else |
726 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 727 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
728 | } |
729 | ||
1049f94e AM |
730 | /* Don't do any symbol assignments if this is a relocatable link. */ |
731 | if (link_info.relocatable) | |
252b5132 RH |
732 | return; |
733 | ||
4cd89863 | 734 | /* Glue the assignments into the abs section. */ |
252b5132 RH |
735 | save = stat_ptr; |
736 | ||
737 | stat_ptr = &(abs_output_section->children); | |
738 | ||
739 | for (j = 0; init[j].ptr; j++) | |
740 | { | |
741 | long val = init[j].value; | |
742 | lang_assignment_statement_type *rv; | |
2c382fb6 AM |
743 | rv = lang_add_assignment (exp_assop ('=', init[j].symbol, |
744 | exp_intop (val))); | |
939ba9d0 NC |
745 | if (init[j].size == sizeof (short)) |
746 | *(short *) init[j].ptr = val; | |
747 | else if (init[j].size == sizeof (int)) | |
748 | *(int *) init[j].ptr = val; | |
749 | else if (init[j].size == sizeof (long)) | |
750 | *(long *) init[j].ptr = val; | |
252b5132 | 751 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
752 | else if (init[j].size == sizeof (bfd_vma)) |
753 | *(bfd_vma *) init[j].ptr = val; | |
754 | else abort (); | |
252b5132 RH |
755 | if (j == IMAGEBASEOFF) |
756 | image_base_statement = rv; | |
757 | } | |
4cd89863 | 758 | /* Restore the pointer. */ |
252b5132 | 759 | stat_ptr = save; |
3fc90ddb | 760 | |
252b5132 RH |
761 | if (pe.FileAlignment > |
762 | pe.SectionAlignment) | |
763 | { | |
764 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
765 | } | |
766 | } | |
767 | ||
768 | /* This is called after the linker script and the command line options | |
769 | have been read. */ | |
770 | ||
771 | static void | |
0c7a8e5a | 772 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 RH |
773 | { |
774 | /* The Windows libraries are designed for the linker to treat the | |
775 | entry point as an undefined symbol. Otherwise, the .obj that | |
776 | defines mainCRTStartup is brought in because it is the first | |
777 | encountered in libc.lib and it has other symbols in it which will | |
778 | be pulled in by the link process. To avoid this, we act as | |
779 | though the user specified -u with the entry point symbol. | |
780 | ||
781 | This function is called after the linker script and command line | |
782 | options have been read, so at this point we know the right entry | |
783 | point. This function is called before the input files are | |
784 | opened, so registering the symbol as undefined will make a | |
785 | difference. */ | |
786 | ||
1049f94e | 787 | if (! link_info.relocatable && entry_symbol.name != NULL) |
e3e942e9 | 788 | ldlang_add_undef (entry_symbol.name); |
252b5132 RH |
789 | } |
790 | ||
aa3d9aba NC |
791 | /* pe-dll.c directly accesses pe_data_import_dll, |
792 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
793 | Note - this variable is deliberately not initialised. | |
794 | This allows it to be treated as a common varaible, and only | |
795 | exist in one incarnation in a multiple target enabled linker. */ | |
796 | char * pe_data_import_dll; | |
72358f65 | 797 | |
2ef53d66 | 798 | #ifdef DLL_SUPPORT |
252b5132 RH |
799 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
800 | ||
b34976b6 | 801 | static bfd_boolean |
0c7a8e5a | 802 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 803 | { |
decc3638 | 804 | int sl; |
0c7a8e5a | 805 | char *string = inf; |
4cd89863 | 806 | |
0c7a8e5a | 807 | sl = strlen (string); |
252b5132 RH |
808 | if (h->type == bfd_link_hash_defined |
809 | && strncmp (h->root.string, string, sl) == 0 | |
810 | && h->root.string[sl] == '@') | |
decc3638 CW |
811 | { |
812 | pe_undef_found_sym = h; | |
b34976b6 | 813 | return FALSE; |
decc3638 | 814 | } |
b34976b6 | 815 | return TRUE; |
252b5132 RH |
816 | } |
817 | ||
818 | static void | |
0c7a8e5a | 819 | pe_fixup_stdcalls (void) |
252b5132 RH |
820 | { |
821 | static int gave_warning_message = 0; | |
822 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 823 | |
3fc90ddb | 824 | if (pe_dll_extra_pe_debug) |
c9e38879 | 825 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 826 | |
f6e332e6 | 827 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 828 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 829 | { |
c9e38879 NC |
830 | char* at = strchr (undef->root.string, '@'); |
831 | int lead_at = (*undef->root.string == '@'); | |
832 | /* For now, don't try to fixup fastcall symbols. */ | |
b34976b6 | 833 | |
c9e38879 NC |
834 | if (at && !lead_at) |
835 | { | |
836 | /* The symbol is a stdcall symbol, so let's look for a | |
837 | cdecl symbol with the same name and resolve to that. */ | |
838 | char *cname = xstrdup (undef->root.string /* + lead_at */); | |
839 | at = strchr (cname, '@'); | |
840 | *at = 0; | |
841 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); | |
842 | ||
843 | if (sym && sym->type == bfd_link_hash_defined) | |
844 | { | |
845 | undef->type = bfd_link_hash_defined; | |
846 | undef->u.def.value = sym->u.def.value; | |
847 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 848 | |
c9e38879 NC |
849 | if (pe_enable_stdcall_fixup == -1) |
850 | { | |
851 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
852 | undef->root.string, cname); | |
853 | if (! gave_warning_message) | |
854 | { | |
855 | gave_warning_message = 1; | |
939ba9d0 NC |
856 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
857 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
858 | } |
859 | } | |
860 | } | |
861 | } | |
862 | else | |
863 | { | |
864 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 865 | symbols - which means scanning the whole symbol table. */ |
c9e38879 NC |
866 | pe_undef_found_sym = 0; |
867 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
0c7a8e5a | 868 | (char *) undef->root.string); |
c9e38879 NC |
869 | sym = pe_undef_found_sym; |
870 | if (sym) | |
871 | { | |
872 | undef->type = bfd_link_hash_defined; | |
873 | undef->u.def.value = sym->u.def.value; | |
874 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 875 | |
c9e38879 NC |
876 | if (pe_enable_stdcall_fixup == -1) |
877 | { | |
878 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
879 | undef->root.string, sym->root.string); | |
880 | if (! gave_warning_message) | |
881 | { | |
882 | gave_warning_message = 1; | |
939ba9d0 NC |
883 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
884 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
885 | } |
886 | } | |
887 | } | |
888 | } | |
252b5132 | 889 | } |
252b5132 | 890 | } |
decc3638 CW |
891 | |
892 | static int | |
0c7a8e5a | 893 | make_import_fixup (arelent *rel, asection *s) |
decc3638 | 894 | { |
fc0a2244 | 895 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 896 | char addend[4]; |
decc3638 | 897 | |
3fc90ddb | 898 | if (pe_dll_extra_pe_debug) |
c9e38879 | 899 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 900 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 901 | |
c99b8138 | 902 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
c9e38879 NC |
903 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
904 | s->owner, s, rel->address); | |
0d888aac | 905 | |
c99b8138 | 906 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend)); |
0d888aac | 907 | |
decc3638 CW |
908 | return 1; |
909 | } | |
910 | ||
decc3638 | 911 | static void |
0c7a8e5a | 912 | pe_find_data_imports (void) |
decc3638 CW |
913 | { |
914 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 915 | |
4cd89863 NC |
916 | if (link_info.pei386_auto_import == 0) |
917 | return; | |
918 | ||
f6e332e6 | 919 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
decc3638 CW |
920 | { |
921 | if (undef->type == bfd_link_hash_undefined) | |
1af699f4 AM |
922 | { |
923 | /* C++ symbols are *long*. */ | |
924 | char buf[4096]; | |
c9e38879 NC |
925 | |
926 | if (pe_dll_extra_pe_debug) | |
927 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
928 | ||
1af699f4 | 929 | sprintf (buf, "__imp_%s", undef->root.string); |
decc3638 | 930 | |
1af699f4 | 931 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); |
c9e38879 | 932 | |
1af699f4 AM |
933 | if (sym && sym->type == bfd_link_hash_defined) |
934 | { | |
4cd89863 NC |
935 | bfd *b = sym->u.def.section->owner; |
936 | asymbol **symbols; | |
5c1d2f5f | 937 | int nsyms, i; |
4cd89863 NC |
938 | |
939 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
940 | { |
941 | static bfd_boolean warned = FALSE; | |
942 | ||
943 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), | |
944 | undef->root.string, buf); | |
945 | ||
946 | /* PR linker/4844. */ | |
947 | if (! warned) | |
948 | { | |
949 | warned = TRUE; | |
950 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ | |
44e36d8a | 951 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
8524166d NC |
952 | } |
953 | } | |
4cd89863 | 954 | |
5c1d2f5f AM |
955 | if (!bfd_generic_link_read_symbols (b)) |
956 | { | |
957 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
958 | return; | |
959 | } | |
960 | ||
961 | symbols = bfd_get_outsymbols (b); | |
962 | nsyms = bfd_get_symcount (b); | |
4cd89863 NC |
963 | |
964 | for (i = 0; i < nsyms; i++) | |
965 | { | |
00479ba8 | 966 | if (! CONST_STRNEQ (symbols[i]->name, U ("_head_"))) |
4cd89863 NC |
967 | continue; |
968 | ||
969 | if (pe_dll_extra_pe_debug) | |
970 | printf ("->%s\n", symbols[i]->name); | |
971 | ||
972 | pe_data_import_dll = (char*) (symbols[i]->name + | |
00479ba8 | 973 | sizeof (U ("_head_")) - 1); |
4cd89863 NC |
974 | break; |
975 | } | |
976 | ||
977 | pe_walk_relocs_of_symbol (&link_info, undef->root.string, | |
978 | make_import_fixup); | |
979 | ||
980 | /* Let's differentiate it somehow from defined. */ | |
981 | undef->type = bfd_link_hash_defweak; | |
982 | /* We replace original name with __imp_ prefixed, this | |
983 | 1) may trash memory 2) leads to duplicate symbol generation. | |
984 | Still, IMHO it's better than having name poluted. */ | |
985 | undef->root.string = sym->root.string; | |
986 | undef->u.def.value = sym->u.def.value; | |
987 | undef->u.def.section = sym->u.def.section; | |
1af699f4 AM |
988 | } |
989 | } | |
decc3638 CW |
990 | } |
991 | } | |
252b5132 | 992 | |
b34976b6 | 993 | static bfd_boolean |
0c7a8e5a | 994 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 995 | { |
3fc90ddb | 996 | if (pe_dll_extra_pe_debug) |
0c7a8e5a | 997 | printf ("+%s\n", h->string); |
c9e38879 | 998 | |
b34976b6 | 999 | return TRUE; |
decc3638 | 1000 | } |
4b83d615 | 1001 | #endif /* DLL_SUPPORT */ |
decc3638 CW |
1002 | |
1003 | ||
252b5132 | 1004 | static void |
0c7a8e5a | 1005 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1006 | { |
4b83d615 | 1007 | #ifdef DLL_SUPPORT |
3fc90ddb | 1008 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1009 | { |
1010 | bfd *a; | |
1011 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1012 | |
decc3638 CW |
1013 | printf ("%s()\n", __FUNCTION__); |
1014 | ||
f6e332e6 | 1015 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1016 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1017 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 CW |
1018 | |
1019 | for (a = link_info.input_bfds; a; a = a->link_next) | |
c9e38879 | 1020 | printf ("*%s\n",a->filename); |
decc3638 | 1021 | } |
4b83d615 | 1022 | #endif |
3fc90ddb | 1023 | |
252b5132 RH |
1024 | /* Pass the wacky PE command line options into the output bfd. |
1025 | FIXME: This should be done via a function, rather than by | |
1026 | including an internal BFD header. */ | |
3fc90ddb | 1027 | |
f13a99db AM |
1028 | if (coff_data (link_info.output_bfd) == NULL |
1029 | || coff_data (link_info.output_bfd)->pe == 0) | |
1030 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1031 | link_info.output_bfd); | |
252b5132 | 1032 | |
f13a99db AM |
1033 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1034 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1035 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
252b5132 | 1036 | |
c6c37250 | 1037 | #ifdef DLL_SUPPORT |
252b5132 RH |
1038 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
1039 | pe_fixup_stdcalls (); | |
1040 | ||
f13a99db | 1041 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1042 | |
3fc90ddb | 1043 | pe_find_data_imports (); |
decc3638 | 1044 | |
7148cc28 NC |
1045 | #if defined (TARGET_IS_i386pe) \ |
1046 | || defined (TARGET_IS_armpe) \ | |
1047 | || defined (TARGET_IS_arm_epoc_pe) \ | |
1048 | || defined (TARGET_IS_arm_wince_pe) | |
1049f94e | 1049 | if (!link_info.relocatable) |
f13a99db | 1050 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
344a211f | 1051 | else |
f13a99db | 1052 | pe_exe_build_sections (link_info.output_bfd, &link_info); |
7148cc28 NC |
1053 | #else |
1054 | if (link_info.shared) | |
f13a99db | 1055 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
344a211f | 1056 | #endif |
7148cc28 | 1057 | #endif /* DLL_SUPPORT */ |
252b5132 | 1058 | |
7148cc28 | 1059 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1060 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1061 | { |
1062 | /* The arm backend needs special fields in the output hash structure. | |
1063 | These will only be created if the output format is an arm format, | |
1064 | hence we do not support linking and changing output formats at the | |
1065 | same time. Use a link followed by objcopy to change output formats. */ | |
1066 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
1067 | return; | |
1068 | } | |
252b5132 RH |
1069 | { |
1070 | /* Find a BFD that can hold the interworking stubs. */ | |
1071 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1072 | { | |
7148cc28 | 1073 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1074 | break; |
1075 | } | |
1076 | } | |
1077 | #endif | |
c6c37250 | 1078 | |
486e80e2 | 1079 | { |
486e80e2 DD |
1080 | /* This next chunk of code tries to detect the case where you have |
1081 | two import libraries for the same DLL (specifically, | |
1082 | symbolically linking libm.a and libc.a in cygwin to | |
1083 | libcygwin.a). In those cases, it's possible for function | |
1084 | thunks from the second implib to be used but without the | |
1085 | head/tail objects, causing an improper import table. We detect | |
1086 | those cases and rename the "other" import libraries to match | |
1087 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1088 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1089 | |
1090 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1091 | { | |
1092 | if (is->the_bfd->my_archive) | |
1093 | { | |
1094 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1095 | asection *sec; | |
3fc90ddb | 1096 | |
6e45556a | 1097 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1098 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1099 | { | |
1100 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1101 | idata2 = 1; | |
0112cd26 | 1102 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1103 | is_imp = 1; |
1104 | reloc_count += sec->reloc_count; | |
1105 | } | |
3fc90ddb | 1106 | |
486e80e2 DD |
1107 | if (is_imp && !idata2 && reloc_count) |
1108 | { | |
6e45556a NC |
1109 | /* It is, look for the reference to head and see if it's |
1110 | from our own library. */ | |
486e80e2 DD |
1111 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1112 | { | |
1113 | int i; | |
6e45556a | 1114 | long relsize; |
102c86f8 | 1115 | asymbol **symbols; |
102c86f8 NC |
1116 | arelent **relocs; |
1117 | int nrelocs; | |
3fc90ddb | 1118 | |
102c86f8 | 1119 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1120 | if (relsize < 1) |
1121 | break; | |
3fc90ddb | 1122 | |
5c1d2f5f | 1123 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1124 | { |
5c1d2f5f AM |
1125 | einfo (_("%B%F: could not read symbols: %E\n"), |
1126 | is->the_bfd); | |
6e45556a NC |
1127 | return; |
1128 | } | |
5c1d2f5f | 1129 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1130 | |
102c86f8 NC |
1131 | relocs = (arelent **) xmalloc ((size_t) relsize); |
1132 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, | |
f6e332e6 | 1133 | relocs, symbols); |
6e45556a NC |
1134 | if (nrelocs < 0) |
1135 | { | |
1136 | free (relocs); | |
44e36d8a | 1137 | einfo ("%X%P: unable to process relocs: %E\n"); |
6e45556a NC |
1138 | return; |
1139 | } | |
3fc90ddb | 1140 | |
6e45556a | 1141 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1142 | { |
fc0a2244 | 1143 | struct bfd_symbol *s; |
6e45556a | 1144 | struct bfd_link_hash_entry * blhe; |
2a08daf3 | 1145 | char *other_bfd_filename; |
6e45556a | 1146 | char *n; |
3fc90ddb | 1147 | |
486e80e2 | 1148 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1149 | |
6e45556a NC |
1150 | if (s->flags & BSF_LOCAL) |
1151 | continue; | |
3fc90ddb | 1152 | |
6e45556a NC |
1153 | /* Thunk section with reloc to another bfd. */ |
1154 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1155 | s->name, | |
b34976b6 | 1156 | FALSE, FALSE, TRUE); |
3fc90ddb | 1157 | |
6e45556a NC |
1158 | if (blhe == NULL |
1159 | || blhe->type != bfd_link_hash_defined) | |
1160 | continue; | |
3fc90ddb | 1161 | |
2a08daf3 DS |
1162 | other_bfd_filename |
1163 | = blhe->u.def.section->owner->my_archive | |
1164 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1165 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1166 | |
2a08daf3 DS |
1167 | if (strcmp (bfd_get_filename (is->the_bfd->my_archive), |
1168 | other_bfd_filename) == 0) | |
6e45556a | 1169 | continue; |
3fc90ddb | 1170 | |
c034e3e0 | 1171 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1172 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1173 | strcpy (n, other_bfd_filename); | |
1174 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
1175 | } |
1176 | ||
1177 | free (relocs); | |
6e45556a NC |
1178 | /* Note - we do not free the symbols, |
1179 | they are now cached in the BFD. */ | |
486e80e2 DD |
1180 | } |
1181 | } | |
1182 | } | |
1183 | } | |
1184 | } | |
1185 | ||
c6c37250 | 1186 | { |
f0c87f88 | 1187 | int is_ms_arch = 0; |
1069dd8d | 1188 | bfd *cur_arch = 0; |
c6c37250 | 1189 | lang_input_statement_type *is2; |
44dbf363 | 1190 | lang_input_statement_type *is3; |
1069dd8d | 1191 | |
c6c37250 DD |
1192 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1193 | /* Microsoft import libraries have every member named the same, | |
1194 | and not in the right order for us to link them correctly. We | |
1195 | must detect these and rename the members so that they'll link | |
1196 | correctly. There are three types of objects: the head, the | |
1197 | thunks, and the sentinel(s). The head is easy; it's the one | |
1198 | with idata2. We assume that the sentinels won't have relocs, | |
1199 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1200 | table for external references. */ |
c6c37250 DD |
1201 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1202 | { | |
1203 | if (is->the_bfd->my_archive) | |
1204 | { | |
44dbf363 | 1205 | char *pnt; |
c6c37250 | 1206 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1207 | |
c6c37250 DD |
1208 | if (cur_arch != arch) |
1209 | { | |
1210 | cur_arch = arch; | |
1211 | is_ms_arch = 1; | |
44dbf363 NC |
1212 | |
1213 | for (is3 = is; | |
1214 | is3 && is3->the_bfd->my_archive == arch; | |
1215 | is3 = (lang_input_statement_type *) is3->next) | |
1216 | { | |
1af699f4 | 1217 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1218 | members, so look for the first element with a .dll |
1219 | extension, and use that for the remainder of the | |
1220 | comparisons. */ | |
1221 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
07a68a80 | 1222 | if (pnt != NULL && strcmp (pnt, ".dll") == 0) |
ff71f4f7 | 1223 | break; |
44dbf363 NC |
1224 | } |
1225 | ||
1226 | if (is3 == NULL) | |
1227 | is_ms_arch = 0; | |
1228 | else | |
c6c37250 | 1229 | { |
44dbf363 NC |
1230 | /* OK, found one. Now look to see if the remaining |
1231 | (dynamic import) members use the same name. */ | |
1232 | for (is2 = is; | |
1233 | is2 && is2->the_bfd->my_archive == arch; | |
1234 | is2 = (lang_input_statement_type *) is2->next) | |
1235 | { | |
1236 | /* Skip static members, ie anything with a .obj | |
1237 | extension. */ | |
1238 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
1239 | if (pnt != NULL && strcmp (pnt, ".obj") == 0) | |
1240 | continue; | |
1241 | ||
1242 | if (strcmp (is3->the_bfd->filename, | |
1243 | is2->the_bfd->filename)) | |
1244 | { | |
1245 | is_ms_arch = 0; | |
1246 | break; | |
1247 | } | |
1248 | } | |
c6c37250 DD |
1249 | } |
1250 | } | |
1251 | ||
44dbf363 NC |
1252 | /* This fragment might have come from an .obj file in a Microsoft |
1253 | import, and not an actual import record. If this is the case, | |
1254 | then leave the filename alone. */ | |
1255 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1256 | ||
1257 | if (is_ms_arch && (strcmp (pnt, ".dll") == 0)) | |
c6c37250 | 1258 | { |
1069dd8d | 1259 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1260 | asection *sec; |
1261 | char *new_name, seq; | |
1069dd8d | 1262 | |
c6c37250 DD |
1263 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1264 | { | |
1265 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1266 | idata2 = 1; | |
1267 | reloc_count += sec->reloc_count; | |
1268 | } | |
1269 | ||
1270 | if (idata2) /* .idata2 is the TOC */ | |
1271 | seq = 'a'; | |
1272 | else if (reloc_count > 0) /* thunks */ | |
1273 | seq = 'b'; | |
1274 | else /* sentinel */ | |
1275 | seq = 'c'; | |
1276 | ||
e4e24acb | 1277 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1278 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1279 | is->the_bfd->filename = new_name; | |
1280 | ||
690a460e | 1281 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1282 | sprintf (new_name, "%s.%c", is->filename, seq); |
1283 | is->filename = new_name; | |
1284 | } | |
1285 | } | |
1286 | } | |
1287 | } | |
54727719 NC |
1288 | |
1289 | { | |
1290 | /* The following chunk of code tries to identify jump stubs in | |
1291 | import libraries which are dead code and eliminates them | |
1292 | from the final link. For each exported symbol <sym>, there | |
1293 | is a object file in the import library with a .text section | |
1294 | and several .idata$* sections. The .text section contains the | |
1295 | symbol definition for <sym> which is a jump stub of the form | |
1296 | jmp *__imp_<sym>. The .idata$5 contains the symbol definition | |
1297 | for __imp_<sym> which is the address of the slot for <sym> in | |
1298 | the import address table. When a symbol is imported explicitly | |
1299 | using __declspec(dllimport) declaration, the compiler generates | |
1300 | a reference to __imp_<sym> which directly resolves to the | |
1301 | symbol in .idata$5, in which case the jump stub code is not | |
1302 | needed. The following code tries to identify jump stub sections | |
1303 | in import libraries which are not referred to by anyone and | |
1304 | marks them for exclusion from the final link. */ | |
1305 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1306 | { | |
1307 | if (is->the_bfd->my_archive) | |
1308 | { | |
1309 | int is_imp = 0; | |
1310 | asection *sec, *stub_sec = NULL; | |
1311 | ||
1312 | /* See if this is an import library thunk. */ | |
1313 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1314 | { | |
1315 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1316 | is_imp = 1; | |
1317 | /* The section containing the jmp stub has code | |
1318 | and has a reloc. */ | |
1319 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1320 | stub_sec = sec; | |
1321 | } | |
92b93329 | 1322 | |
54727719 NC |
1323 | if (is_imp && stub_sec) |
1324 | { | |
54727719 | 1325 | asymbol **symbols; |
5c1d2f5f | 1326 | long nsyms, src_count; |
54727719 NC |
1327 | struct bfd_link_hash_entry * blhe; |
1328 | ||
5c1d2f5f AM |
1329 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1330 | { | |
1331 | einfo (_("%B%F: could not read symbols: %E\n"), | |
1332 | is->the_bfd); | |
1333 | return; | |
1334 | } | |
1335 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1336 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1337 | |
5c1d2f5f | 1338 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1339 | { |
1340 | if (symbols[src_count]->section->id == stub_sec->id) | |
1341 | { | |
1342 | /* This symbol belongs to the section containing | |
1343 | the stub. */ | |
1344 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1345 | symbols[src_count]->name, | |
1346 | FALSE, FALSE, TRUE); | |
1347 | /* If the symbol in the stub section has no other | |
1348 | undefined references, exclude the stub section | |
1349 | from the final link. */ | |
1350 | if (blhe && (blhe->type == bfd_link_hash_defined) | |
1351 | && (blhe->u.undef.next == NULL)) | |
1352 | stub_sec->flags |= SEC_EXCLUDE; | |
1353 | } | |
1354 | } | |
54727719 NC |
1355 | } |
1356 | } | |
1357 | } | |
1358 | } | |
252b5132 RH |
1359 | } |
1360 | \f | |
3fc90ddb | 1361 | static void |
0c7a8e5a | 1362 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1363 | { |
1364 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1365 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1366 | { |
1367 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1368 | { | |
1369 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1370 | { | |
1371 | /* xgettext:c-format */ | |
1372 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1373 | } | |
1374 | } | |
1375 | } | |
1376 | ||
c9e38879 | 1377 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1378 | ppc_allocate_toc_section (&link_info); |
1379 | #endif /* TARGET_IS_ppcpe */ | |
1380 | ||
7148cc28 | 1381 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1382 | /* FIXME: we should be able to set the size of the interworking stub |
1383 | section. | |
1384 | ||
1385 | Here we rummage through the found bfds to collect glue | |
1386 | information. FIXME: should this be based on a command line | |
c9e38879 | 1387 | option? krk@cygnus.com. */ |
252b5132 RH |
1388 | { |
1389 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1390 | { | |
7148cc28 | 1391 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1392 | (is->the_bfd, & link_info, support_old_code)) |
1393 | { | |
1394 | /* xgettext:c-format */ | |
44e36d8a | 1395 | einfo (_("Errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1396 | is->filename); |
1397 | } | |
1398 | } | |
1399 | } | |
1400 | ||
c9e38879 | 1401 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 NC |
1402 | bfd_arm_allocate_interworking_sections (& link_info); |
1403 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ | |
8423293d | 1404 | |
1e035701 | 1405 | before_allocation_default (); |
252b5132 RH |
1406 | } |
1407 | \f | |
690a460e | 1408 | #ifdef DLL_SUPPORT |
252b5132 | 1409 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1410 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1411 | |
252b5132 | 1412 | static int |
0c7a8e5a | 1413 | saw_option (char *option) |
252b5132 RH |
1414 | { |
1415 | int i; | |
c9e38879 NC |
1416 | |
1417 | for (i = 0; init[i].ptr; i++) | |
252b5132 RH |
1418 | if (strcmp (init[i].symbol, option) == 0) |
1419 | return init[i].inited; | |
1420 | return 0; | |
1421 | } | |
690a460e | 1422 | #endif /* DLL_SUPPORT */ |
252b5132 | 1423 | |
b34976b6 | 1424 | static bfd_boolean |
0c7a8e5a | 1425 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1426 | { |
c6c37250 | 1427 | #ifdef DLL_SUPPORT |
252b5132 RH |
1428 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1429 | ||
1430 | if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0) | |
252b5132 | 1431 | { |
f2d3750d | 1432 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1433 | |
1434 | if (pe_def_file) | |
252b5132 | 1435 | { |
c9e38879 NC |
1436 | int i, buflen=0, len; |
1437 | char *buf; | |
252b5132 | 1438 | |
c9e38879 | 1439 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1440 | { |
939ba9d0 | 1441 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1442 | if (buflen < len + 2) |
1443 | buflen = len + 2; | |
252b5132 | 1444 | } |
252b5132 | 1445 | |
c9e38879 | 1446 | buf = (char *) xmalloc (buflen); |
252b5132 | 1447 | |
c9e38879 NC |
1448 | for (i = 0; i < pe_def_file->num_exports; i++) |
1449 | { | |
1450 | struct bfd_link_hash_entry *h; | |
1451 | ||
00479ba8 | 1452 | sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name); |
c9e38879 | 1453 | |
b34976b6 | 1454 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 NC |
1455 | if (h == (struct bfd_link_hash_entry *) NULL) |
1456 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1457 | if (h->type == bfd_link_hash_new) | |
1458 | { | |
1459 | h->type = bfd_link_hash_undefined; | |
1460 | h->u.undef.abfd = NULL; | |
1461 | bfd_link_add_undef (link_info.hash, h); | |
1462 | } | |
1463 | } | |
1464 | free (buf); | |
1465 | ||
1466 | /* def_file_print (stdout, pe_def_file); */ | |
1467 | if (pe_def_file->is_dll == 1) | |
1468 | link_info.shared = 1; | |
1469 | ||
1470 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1471 | { | |
f13a99db AM |
1472 | pe.ImageBase |
1473 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1474 | = init[IMAGEBASEOFF].value | |
1475 | = pe_def_file->base_address; | |
c9e38879 NC |
1476 | init[IMAGEBASEOFF].inited = 1; |
1477 | if (image_base_statement) | |
f13a99db AM |
1478 | image_base_statement->exp = exp_assop ('=', "__image_base__", |
1479 | exp_intop (pe.ImageBase)); | |
c9e38879 | 1480 | } |
252b5132 | 1481 | |
c9e38879 NC |
1482 | if (pe_def_file->stack_reserve != -1 |
1483 | && ! saw_option ("__size_of_stack_reserve__")) | |
1484 | { | |
1485 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1486 | if (pe_def_file->stack_commit != -1) | |
1487 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1488 | } | |
1489 | if (pe_def_file->heap_reserve != -1 | |
1490 | && ! saw_option ("__size_of_heap_reserve__")) | |
1491 | { | |
1492 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1493 | if (pe_def_file->heap_commit != -1) | |
1494 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1495 | } | |
b34976b6 | 1496 | return TRUE; |
c9e38879 | 1497 | } |
252b5132 | 1498 | } |
252b5132 | 1499 | #endif |
b34976b6 | 1500 | return FALSE; |
252b5132 RH |
1501 | } |
1502 | ||
b34976b6 | 1503 | static bfd_boolean |
0c7a8e5a | 1504 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1505 | { |
c6c37250 | 1506 | #ifdef DLL_SUPPORT |
252b5132 | 1507 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1508 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1509 | #endif |
1510 | #ifdef TARGET_IS_shpe | |
1511 | pe_dll_id_target ("pei-shl"); | |
1512 | #endif | |
1513 | #ifdef TARGET_IS_mipspe | |
1514 | pe_dll_id_target ("pei-mips"); | |
1515 | #endif | |
1516 | #ifdef TARGET_IS_armpe | |
1517 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 NC |
1518 | #endif |
1519 | #ifdef TARGET_IS_arm_epoc_pe | |
1520 | pe_dll_id_target ("epoc-pei-arm-little"); | |
1521 | #endif | |
1522 | #ifdef TARGET_IS_arm_wince_pe | |
1523 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1524 | #endif |
ff2bdb9c CF |
1525 | if (pe_bfd_is_dll (entry->the_bfd)) |
1526 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1527 | #endif |
b34976b6 | 1528 | return FALSE; |
252b5132 RH |
1529 | } |
1530 | ||
1531 | static void | |
0c7a8e5a | 1532 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1533 | { |
7148cc28 | 1534 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1535 | struct bfd_link_hash_entry * h; |
1536 | ||
1537 | if (thumb_entry_symbol != NULL) | |
1538 | { | |
b34976b6 AM |
1539 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
1540 | FALSE, FALSE, TRUE); | |
3fc90ddb | 1541 | |
6f798e5c NC |
1542 | if (h != (struct bfd_link_hash_entry *) NULL |
1543 | && (h->type == bfd_link_hash_defined | |
1544 | || h->type == bfd_link_hash_defweak) | |
1545 | && h->u.def.section->output_section != NULL) | |
1546 | { | |
1547 | static char buffer[32]; | |
1548 | bfd_vma val; | |
3fc90ddb | 1549 | |
6f798e5c NC |
1550 | /* Special procesing is required for a Thumb entry symbol. The |
1551 | bottom bit of its address must be set. */ | |
1552 | val = (h->u.def.value | |
f13a99db | 1553 | + bfd_get_section_vma (link_info.output_bfd, |
6f798e5c NC |
1554 | h->u.def.section->output_section) |
1555 | + h->u.def.section->output_offset); | |
3fc90ddb | 1556 | |
6f798e5c | 1557 | val |= 1; |
3fc90ddb | 1558 | |
6f798e5c NC |
1559 | /* Now convert this value into a string and store it in entry_symbol |
1560 | where the lang_finish() function will pick it up. */ | |
1561 | buffer[0] = '0'; | |
1562 | buffer[1] = 'x'; | |
3fc90ddb | 1563 | |
6f798e5c | 1564 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1565 | |
e3e942e9 | 1566 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1567 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1568 | thumb_entry_symbol, entry_symbol.name); |
1569 | entry_symbol.name = buffer; | |
6f798e5c NC |
1570 | } |
1571 | else | |
c58dea77 | 1572 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1573 | } |
7148cc28 | 1574 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1575 | |
1e035701 AM |
1576 | finish_default (); |
1577 | ||
c6c37250 | 1578 | #ifdef DLL_SUPPORT |
2b817be1 NC |
1579 | if (link_info.shared |
1580 | #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe) | |
1049f94e | 1581 | || (!link_info.relocatable && pe_def_file->num_exports != 0) |
2b817be1 NC |
1582 | #endif |
1583 | ) | |
252b5132 | 1584 | { |
f13a99db | 1585 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
252b5132 RH |
1586 | if (pe_implib_filename) |
1587 | pe_dll_generate_implib (pe_def_file, pe_implib_filename); | |
1588 | } | |
344a211f | 1589 | #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) |
690a460e | 1590 | /* ARM doesn't need relocs. */ |
344a211f NC |
1591 | else |
1592 | { | |
f13a99db | 1593 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
1594 | } |
1595 | #endif | |
3fc90ddb | 1596 | |
252b5132 RH |
1597 | if (pe_out_def_filename) |
1598 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 1599 | #endif /* DLL_SUPPORT */ |
decc3638 | 1600 | |
c9e38879 | 1601 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 1602 | { |
f13a99db | 1603 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 1604 | |
decc3638 CW |
1605 | if (asec) |
1606 | { | |
1af699f4 AM |
1607 | asec->flags &= ~SEC_CODE; |
1608 | asec->flags |= SEC_DATA; | |
decc3638 CW |
1609 | } |
1610 | } | |
252b5132 RH |
1611 | } |
1612 | ||
1613 | \f | |
1614 | /* Place an orphan section. | |
1615 | ||
1616 | We use this to put sections in a reasonable place in the file, and | |
1617 | to ensure that they are aligned as required. | |
1618 | ||
1619 | We handle grouped sections here as well. A section named .foo$nn | |
1620 | goes into the output section .foo. All grouped sections are sorted | |
1621 | by name. | |
1622 | ||
1623 | Grouped sections for the default sections are handled by the | |
1624 | default linker script using wildcards, and are sorted by | |
1625 | sort_sections. */ | |
1626 | ||
c2edb4b8 | 1627 | static lang_output_section_statement_type * |
8a99a385 AM |
1628 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
1629 | const char *secname, | |
1630 | int constraint) | |
252b5132 | 1631 | { |
bcacc0f5 | 1632 | const char *orig_secname = secname; |
f0c87f88 | 1633 | char *dollar = NULL; |
aea4bd9d | 1634 | lang_output_section_statement_type *os; |
5ba47421 | 1635 | lang_statement_list_type add_child; |
252b5132 | 1636 | |
252b5132 | 1637 | /* Look through the script to see where to place this section. */ |
afd7a018 AM |
1638 | if (!link_info.relocatable |
1639 | && (dollar = strchr (secname, '$')) != NULL) | |
6eec49fc | 1640 | { |
bcacc0f5 | 1641 | size_t len = dollar - secname; |
afd7a018 | 1642 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 1643 | memcpy (newname, secname, len); |
afd7a018 AM |
1644 | newname[len] = '\0'; |
1645 | secname = newname; | |
6eec49fc | 1646 | } |
252b5132 | 1647 | |
5ba47421 AM |
1648 | lang_list_init (&add_child); |
1649 | ||
8a99a385 AM |
1650 | if (constraint == 0 |
1651 | && (os = lang_output_section_find (secname)) != NULL | |
bcacc0f5 AM |
1652 | && os->bfd_section != NULL |
1653 | && (os->bfd_section->flags == 0 | |
ae7fb08f AM |
1654 | || ((s->flags ^ os->bfd_section->flags) |
1655 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
5ba47421 | 1656 | { |
ae7fb08f | 1657 | /* We already have an output section statement with this |
bcacc0f5 | 1658 | name, and its bfd section has compatible flags. |
afd7a018 AM |
1659 | If the section already exists but does not have any flags set, |
1660 | then it has been created by the linker, probably as a result of | |
1661 | a --section-start command line switch. */ | |
7b986e99 | 1662 | lang_add_section (&add_child, s, os); |
5ba47421 AM |
1663 | } |
1664 | else | |
252b5132 | 1665 | { |
afd7a018 AM |
1666 | static struct orphan_save hold[] = |
1667 | { | |
1668 | { ".text", | |
1669 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1670 | 0, 0, 0, 0 }, | |
1671 | { ".rdata", | |
1672 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1673 | 0, 0, 0, 0 }, | |
1674 | { ".data", | |
1675 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1676 | 0, 0, 0, 0 }, | |
1677 | { ".bss", | |
1678 | SEC_ALLOC, | |
1679 | 0, 0, 0, 0 } | |
1680 | }; | |
1681 | enum orphan_save_index | |
1682 | { | |
1683 | orphan_text = 0, | |
1684 | orphan_rodata, | |
1685 | orphan_data, | |
1686 | orphan_bss | |
1687 | }; | |
1688 | static int orphan_init_done = 0; | |
6a345e87 | 1689 | struct orphan_save *place; |
afd7a018 | 1690 | lang_output_section_statement_type *after; |
252b5132 | 1691 | etree_type *address; |
afd7a018 AM |
1692 | |
1693 | if (!orphan_init_done) | |
1694 | { | |
1695 | struct orphan_save *ho; | |
1696 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1697 | if (ho->name != NULL) | |
1698 | { | |
1699 | ho->os = lang_output_section_find (ho->name); | |
1700 | if (ho->os != NULL && ho->os->flags == 0) | |
1701 | ho->os->flags = ho->flags; | |
1702 | } | |
1703 | orphan_init_done = 1; | |
1704 | } | |
252b5132 RH |
1705 | |
1706 | /* Try to put the new output section in a reasonable place based | |
1707 | on the section name and section flags. */ | |
aea4bd9d | 1708 | |
252b5132 | 1709 | place = NULL; |
5ba47421 AM |
1710 | if ((s->flags & SEC_ALLOC) == 0) |
1711 | ; | |
afd7a018 AM |
1712 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
1713 | place = &hold[orphan_bss]; | |
1714 | else if ((s->flags & SEC_READONLY) == 0) | |
1715 | place = &hold[orphan_data]; | |
1716 | else if ((s->flags & SEC_CODE) == 0) | |
1717 | place = &hold[orphan_rodata]; | |
1af699f4 | 1718 | else |
afd7a018 | 1719 | place = &hold[orphan_text]; |
1af699f4 | 1720 | |
afd7a018 | 1721 | after = NULL; |
1af699f4 AM |
1722 | if (place != NULL) |
1723 | { | |
afd7a018 AM |
1724 | if (place->os == NULL) |
1725 | place->os = lang_output_section_find (place->name); | |
1726 | after = place->os; | |
1727 | if (after == NULL) | |
390fbbf1 | 1728 | after = lang_output_section_find_by_flags (s, &place->os, NULL); |
afd7a018 AM |
1729 | if (after == NULL) |
1730 | /* *ABS* is always the first output section statement. */ | |
1731 | after = (&lang_output_section_statement.head | |
1732 | ->output_section_statement); | |
252b5132 RH |
1733 | } |
1734 | ||
afd7a018 AM |
1735 | /* All sections in an executable must be aligned to a page boundary. */ |
1736 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); | |
8a99a385 AM |
1737 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
1738 | &add_child); | |
252b5132 RH |
1739 | } |
1740 | ||
5ba47421 | 1741 | { |
aea4bd9d | 1742 | lang_statement_union_type **pl = &os->children.head; |
252b5132 | 1743 | |
5ba47421 AM |
1744 | if (dollar != NULL) |
1745 | { | |
b34976b6 | 1746 | bfd_boolean found_dollar; |
252b5132 | 1747 | |
5ba47421 AM |
1748 | /* The section name has a '$'. Sort it with the other '$' |
1749 | sections. */ | |
b34976b6 | 1750 | found_dollar = FALSE; |
bba1a0c0 | 1751 | for ( ; *pl != NULL; pl = &(*pl)->header.next) |
5ba47421 AM |
1752 | { |
1753 | lang_input_section_type *ls; | |
1754 | const char *lname; | |
252b5132 | 1755 | |
5ba47421 AM |
1756 | if ((*pl)->header.type != lang_input_section_enum) |
1757 | continue; | |
252b5132 | 1758 | |
5ba47421 | 1759 | ls = &(*pl)->input_section; |
252b5132 | 1760 | |
7b986e99 | 1761 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
5ba47421 AM |
1762 | if (strchr (lname, '$') == NULL) |
1763 | { | |
1764 | if (found_dollar) | |
1765 | break; | |
1766 | } | |
1767 | else | |
1768 | { | |
b34976b6 | 1769 | found_dollar = TRUE; |
afd7a018 | 1770 | if (strcmp (orig_secname, lname) < 0) |
5ba47421 AM |
1771 | break; |
1772 | } | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | if (add_child.head != NULL) | |
1777 | { | |
bba1a0c0 | 1778 | add_child.head->header.next = *pl; |
5ba47421 AM |
1779 | *pl = add_child.head; |
1780 | } | |
1781 | } | |
252b5132 | 1782 | |
c2edb4b8 | 1783 | return os; |
252b5132 RH |
1784 | } |
1785 | ||
b34976b6 | 1786 | static bfd_boolean |
0c7a8e5a AM |
1787 | gld_${EMULATION_NAME}_open_dynamic_archive |
1788 | (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search, | |
1789 | lang_input_statement_type *entry) | |
690a460e | 1790 | { |
45e948fe NC |
1791 | static const struct |
1792 | { | |
1793 | const char * format; | |
1794 | bfd_boolean use_prefix; | |
1795 | } | |
1796 | libname_fmt [] = | |
1797 | { | |
1798 | /* Preferred explicit import library for dll's. */ | |
1799 | { "lib%s.dll.a", FALSE }, | |
1800 | /* Alternate explicit import library for dll's. */ | |
1801 | { "%s.dll.a", FALSE }, | |
1802 | /* "libfoo.a" could be either an import lib or a static lib. | |
1803 | For backwards compatibility, libfoo.a needs to precede | |
1804 | libfoo.dll and foo.dll in the search. */ | |
1805 | { "lib%s.a", FALSE }, | |
92b93329 | 1806 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe NC |
1807 | { "%s.lib", FALSE }, |
1808 | #ifdef DLL_SUPPORT | |
1809 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
1810 | { "%s%s.dll", TRUE }, | |
1811 | #endif | |
1812 | /* Try "libfoo.dll" (default preferred dll name). */ | |
1813 | { "lib%s.dll", FALSE }, | |
1814 | /* Finally try 'native' dll name "foo.dll". */ | |
1815 | { "%s.dll", FALSE }, | |
1816 | /* Note: If adding more formats to this table, make sure to check to | |
1817 | see if their length is longer than libname_fmt[0].format, and if | |
1818 | so, update the call to xmalloc() below. */ | |
1819 | { NULL, FALSE } | |
1820 | }; | |
b1d9458a | 1821 | static unsigned int format_max_len = 0; |
690a460e | 1822 | const char * filename; |
45e948fe NC |
1823 | char * full_string; |
1824 | char * base_string; | |
1825 | unsigned int i; | |
1826 | ||
690a460e NC |
1827 | |
1828 | if (! entry->is_archive) | |
b34976b6 | 1829 | return FALSE; |
690a460e NC |
1830 | |
1831 | filename = entry->filename; | |
1832 | ||
b1d9458a NC |
1833 | if (format_max_len == 0) |
1834 | /* We need to allow space in the memory that we are going to allocate | |
1835 | for the characters in the format string. Since the format array is | |
1836 | static we only need to calculate this information once. In theory | |
1837 | this value could also be computed statically, but this introduces | |
1838 | the possibility for a discrepancy and hence a possible memory | |
1839 | corruption. The lengths we compute here will be too long because | |
1840 | they will include any formating characters (%s) in the strings, but | |
1841 | this will not matter. */ | |
1842 | for (i = 0; libname_fmt[i].format; i++) | |
1843 | if (format_max_len < strlen (libname_fmt[i].format)) | |
1844 | format_max_len = strlen (libname_fmt[i].format); | |
1845 | ||
45e948fe NC |
1846 | full_string = xmalloc (strlen (search->name) |
1847 | + strlen (filename) | |
b1d9458a | 1848 | + format_max_len |
b9a69188 | 1849 | #ifdef DLL_SUPPORT |
45e948fe NC |
1850 | + (pe_dll_search_prefix |
1851 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 1852 | #endif |
b1d9458a NC |
1853 | /* Allow for the terminating NUL and for the path |
1854 | separator character that is inserted between | |
1855 | search->name and the start of the format string. */ | |
1856 | + 2); | |
690a460e | 1857 | |
45e948fe NC |
1858 | sprintf (full_string, "%s/", search->name); |
1859 | base_string = full_string + strlen (full_string); | |
690a460e | 1860 | |
45e948fe | 1861 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 1862 | { |
92b93329 | 1863 | #ifdef DLL_SUPPORT |
45e948fe | 1864 | if (libname_fmt[i].use_prefix) |
1af699f4 | 1865 | { |
45e948fe NC |
1866 | if (!pe_dll_search_prefix) |
1867 | continue; | |
1868 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 1869 | } |
45e948fe NC |
1870 | else |
1871 | #endif | |
1872 | sprintf (base_string, libname_fmt[i].format, filename); | |
1873 | ||
1874 | if (ldfile_try_open_bfd (full_string, entry)) | |
1875 | break; | |
1876 | } | |
1877 | ||
1878 | if (!libname_fmt[i].format) | |
1879 | { | |
1880 | free (full_string); | |
1881 | return FALSE; | |
690a460e | 1882 | } |
602e90d3 | 1883 | |
45e948fe | 1884 | entry->filename = full_string; |
690a460e | 1885 | |
b34976b6 | 1886 | return TRUE; |
690a460e NC |
1887 | } |
1888 | ||
344a211f | 1889 | static int |
0c7a8e5a AM |
1890 | gld_${EMULATION_NAME}_find_potential_libraries |
1891 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
1892 | { |
1893 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
1894 | } | |
252b5132 RH |
1895 | \f |
1896 | static char * | |
0c7a8e5a | 1897 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1898 | EOF |
1899 | # Scripts compiled in. | |
1900 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1901 | sc="-f stringify.sed" |
252b5132 | 1902 | |
92b93329 | 1903 | fragment <<EOF |
3fc90ddb | 1904 | { |
252b5132 RH |
1905 | *isfile = 0; |
1906 | ||
1049f94e | 1907 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
1908 | return |
1909 | EOF | |
1af699f4 AM |
1910 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1911 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1912 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1913 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1914 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1915 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1916 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 NC |
1917 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
1918 | echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c | |
1919 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c | |
1920 | fi | |
1af699f4 AM |
1921 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1922 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1923 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 1924 | |
92b93329 | 1925 | fragment <<EOF |
252b5132 RH |
1926 | |
1927 | ||
3fc90ddb | 1928 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
1929 | { |
1930 | gld_${EMULATION_NAME}_before_parse, | |
1931 | syslib_default, | |
1932 | hll_default, | |
1933 | gld_${EMULATION_NAME}_after_parse, | |
1934 | gld_${EMULATION_NAME}_after_open, | |
1935 | after_allocation_default, | |
1936 | set_output_arch_default, | |
1937 | ldemul_default_target, | |
1938 | gld_${EMULATION_NAME}_before_allocation, | |
1939 | gld_${EMULATION_NAME}_get_script, | |
1940 | "${EMULATION_NAME}", | |
1941 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
1942 | gld_${EMULATION_NAME}_finish, |
1943 | NULL, /* Create output section statements. */ | |
690a460e | 1944 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
1945 | gld_${EMULATION_NAME}_place_orphan, |
1946 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
1947 | NULL, /* parse_args */ |
1948 | gld${EMULATION_NAME}_add_options, | |
1949 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
1950 | gld_${EMULATION_NAME}_unrecognized_file, |
1951 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 1952 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 1953 | gld_${EMULATION_NAME}_find_potential_libraries, |
4cd89863 | 1954 | NULL /* new_vers_pattern. */ |
252b5132 RH |
1955 | }; |
1956 | EOF |