Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
86af25fe L |
3 | if [ -z "$MACHINE" ]; then |
4 | OUTPUT_ARCH=${ARCH} | |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
361d94e7 ILT |
8 | rm -f e${EMULATION_NAME}.c |
9 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
c6c37250 | 10 | cat >>e${EMULATION_NAME}.c <<EOF |
252b5132 | 11 | /* This file is part of GLD, the Gnu Linker. |
a2b64bed NC |
12 | Copyright 1995, 1996, 1997, 1998, 1999, 2000 |
13 | Free Software Foundation, Inc. | |
252b5132 RH |
14 | |
15 | This program is free software; you can redistribute it and/or modify | |
16 | it under the terms of the GNU General Public License as published by | |
17 | the Free Software Foundation; either version 2 of the License, or | |
18 | (at your option) any later version. | |
19 | ||
20 | This program is distributed in the hope that it will be useful, | |
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | GNU General Public License for more details. | |
24 | ||
25 | You should have received a copy of the GNU General Public License | |
26 | along with this program; if not, write to the Free Software | |
27 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
28 | ||
29 | /* For WINDOWS_NT */ | |
30 | /* The original file generated returned different default scripts depending | |
31 | on whether certain switches were set, but these switches pertain to the | |
32 | Linux system and that particular version of coff. In the NT case, we | |
33 | only determine if the subsystem is console or windows in order to select | |
34 | the correct entry point by default. */ | |
35 | ||
36 | #include "bfd.h" | |
37 | #include "sysdep.h" | |
38 | #include "bfdlink.h" | |
39 | #include "getopt.h" | |
40 | #include "libiberty.h" | |
41 | #include "ld.h" | |
42 | #include "ldmain.h" | |
43 | #include "ldgram.h" | |
44 | #include "ldexp.h" | |
45 | #include "ldlang.h" | |
b71e2778 | 46 | #include "ldfile.h" |
252b5132 RH |
47 | #include "ldemul.h" |
48 | #include "ldlex.h" | |
49 | #include "ldmisc.h" | |
50 | #include "ldctor.h" | |
252b5132 | 51 | #include "coff/internal.h" |
71add731 ILT |
52 | |
53 | /* FIXME: This is a BFD internal header file, and we should not be | |
54 | using it here. */ | |
252b5132 | 55 | #include "../bfd/libcoff.h" |
71add731 | 56 | |
252b5132 | 57 | #include "deffile.h" |
1069dd8d | 58 | #include "pe-dll.h" |
252b5132 | 59 | |
14fe918e L |
60 | #include <ctype.h> |
61 | ||
252b5132 RH |
62 | #define TARGET_IS_${EMULATION_NAME} |
63 | ||
2be9b2c7 ILT |
64 | /* Permit the emulation parameters to override the default section |
65 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
66 | it seem that include/coff/internal.h should not define | |
67 | PE_DEF_SECTION_ALIGNMENT. */ | |
68 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
69 | #undef PE_DEF_SECTION_ALIGNMENT | |
70 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
71 | #endif | |
72 | ||
c6c37250 DD |
73 | #if defined(TARGET_IS_i386pe) |
74 | #define DLL_SUPPORT | |
75 | #endif | |
344a211f NC |
76 | #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe) |
77 | #define DLL_SUPPORT | |
78 | #endif | |
c6c37250 | 79 | |
344a211f | 80 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 81 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
82 | #else |
83 | #undef NT_EXE_IMAGE_BASE | |
84 | #undef PE_DEF_SECTION_ALIGNMENT | |
85 | #undef PE_DEF_FILE_ALIGNMENT | |
86 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
87 | #ifdef TARGET_IS_armpe | |
88 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 | |
89 | #define PE_DEF_SUBSYSTEM 9 | |
90 | #else | |
91 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
92 | #define PE_DEF_SUBSYSTEM 2 | |
93 | #endif | |
94 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
95 | #endif | |
c6c37250 | 96 | |
434d1125 NC |
97 | #ifdef TARGET_IS_arm_epoc_pe |
98 | #define bfd_arm_pe_allocate_interworking_sections \ | |
99 | bfd_arm_epoc_pe_allocate_interworking_sections | |
100 | #define bfd_arm_pe_get_bfd_for_interworking \ | |
101 | bfd_arm_epoc_pe_get_bfd_for_interworking | |
102 | #define bfd_arm_pe_process_before_allocation \ | |
103 | bfd_arm_epoc_pe_process_before_allocation | |
104 | #endif | |
105 | ||
252b5132 RH |
106 | static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void)); |
107 | static void gld_${EMULATION_NAME}_after_open PARAMS ((void)); | |
108 | static void gld_${EMULATION_NAME}_before_parse PARAMS ((void)); | |
109 | static void gld_${EMULATION_NAME}_after_parse PARAMS ((void)); | |
110 | static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
111 | static boolean gld_${EMULATION_NAME}_place_orphan | |
112 | PARAMS ((lang_input_statement_type *, asection *)); | |
252b5132 RH |
113 | static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *)); |
114 | static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **)); | |
6f798e5c | 115 | static void gld_${EMULATION_NAME}_finish PARAMS ((void)); |
690a460e NC |
116 | static boolean gld_${EMULATION_NAME}_open_dynamic_archive |
117 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
252b5132 RH |
118 | |
119 | static struct internal_extra_pe_aouthdr pe; | |
120 | static int dll; | |
121 | static int support_old_code = 0; | |
6f798e5c | 122 | static char * thumb_entry_symbol = NULL; |
252b5132 RH |
123 | static lang_assignment_statement_type *image_base_statement = 0; |
124 | ||
f0c87f88 | 125 | #ifdef DLL_SUPPORT |
2ef53d66 | 126 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */ |
690a460e NC |
127 | static char *pe_out_def_filename = NULL; |
128 | static char *pe_implib_filename = NULL; | |
5f577f7d | 129 | static int pe_enable_auto_image_base = 0; |
627427de | 130 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 131 | #endif |
252b5132 RH |
132 | |
133 | extern const char *output_filename; | |
134 | ||
135 | static void | |
136 | gld_${EMULATION_NAME}_before_parse() | |
137 | { | |
2be9b2c7 | 138 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
86af25fe L |
139 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
140 | if (arch) | |
141 | { | |
142 | ldfile_output_architecture = arch->arch; | |
143 | ldfile_output_machine = arch->mach; | |
144 | ldfile_output_machine_name = arch->printable_name; | |
145 | } | |
146 | else | |
147 | ldfile_output_architecture = bfd_arch_${ARCH}; | |
c6c37250 | 148 | #ifdef DLL_SUPPORT |
252b5132 | 149 | config.has_shared = 1; |
344a211f NC |
150 | |
151 | #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2) | |
152 | #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe | |
153 | lang_add_entry ("WinMainCRTStartup", 1); | |
154 | #else | |
155 | lang_add_entry ("_WinMainCRTStartup", 1); | |
156 | #endif | |
157 | #endif | |
252b5132 RH |
158 | #endif |
159 | } | |
160 | \f | |
161 | /* PE format extra command line options. */ | |
162 | ||
163 | /* Used for setting flags in the PE header. */ | |
164 | #define OPTION_BASE_FILE (300 + 1) | |
165 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
166 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
167 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
168 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
169 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
170 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
171 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
172 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
173 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
174 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
175 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) | |
176 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
177 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) | |
178 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
179 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
180 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
181 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
182 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1) | |
183 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) | |
184 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
185 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
186 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) | |
6f798e5c | 187 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
870df5dc NC |
188 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
189 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
190 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
191 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
192 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
193 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
252b5132 | 194 | |
1122a5fc | 195 | static struct option longopts[] = { |
252b5132 RH |
196 | /* PE options */ |
197 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
198 | {"dll", no_argument, NULL, OPTION_DLL}, | |
199 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
200 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
201 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
202 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
203 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
204 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
205 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
206 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
207 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
208 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
209 | {"stack", required_argument, NULL, OPTION_STACK}, | |
210 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
211 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
6f798e5c | 212 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, |
c6c37250 | 213 | #ifdef DLL_SUPPORT |
252b5132 RH |
214 | /* getopt allows abbreviations, so we do this to stop it from treating -o |
215 | as an abbreviation for this option */ | |
216 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
217 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
218 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
219 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
220 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, | |
221 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
222 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
223 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
224 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
870df5dc NC |
225 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
226 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
5f577f7d DD |
227 | {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
228 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, | |
627427de | 229 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, |
1122a5fc | 230 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, |
252b5132 RH |
231 | #endif |
232 | {NULL, no_argument, NULL, 0} | |
233 | }; | |
234 | ||
235 | ||
236 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
237 | parameters which may be input from the command line */ | |
238 | ||
239 | typedef struct | |
240 | { | |
241 | void *ptr; | |
242 | int size; | |
243 | int value; | |
244 | char *symbol; | |
245 | int inited; | |
246 | } definfo; | |
247 | ||
248 | #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} | |
249 | ||
250 | static definfo init[] = | |
251 | { | |
252 | /* imagebase must be first */ | |
253 | #define IMAGEBASEOFF 0 | |
254 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), | |
255 | #define DLLOFF 1 | |
1069dd8d | 256 | {&dll, sizeof(dll), 0, "__dll__", 0}, |
252b5132 RH |
257 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), |
258 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), | |
259 | D(MajorOperatingSystemVersion,"__major_os_version__", 4), | |
260 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0), | |
261 | D(MajorImageVersion,"__major_image_version__", 1), | |
262 | D(MinorImageVersion,"__minor_image_version__", 0), | |
344a211f NC |
263 | #ifdef TARGET_IS_armpe |
264 | D(MajorSubsystemVersion,"__major_subsystem_version__", 2), | |
265 | #else | |
252b5132 | 266 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4), |
344a211f | 267 | #endif |
252b5132 | 268 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), |
2be9b2c7 | 269 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}), |
252b5132 RH |
270 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000), |
271 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), | |
272 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), | |
273 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), | |
274 | D(LoaderFlags,"__loader_flags__", 0x0), | |
275 | { NULL, 0, 0, NULL, 0 } | |
276 | }; | |
277 | ||
278 | static void | |
279 | gld_${EMULATION_NAME}_list_options (file) | |
280 | FILE * file; | |
281 | { | |
282 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
283 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
284 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
285 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
286 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
287 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
288 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
289 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
290 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
291 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
292 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
293 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
294 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
295 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
296 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
6f798e5c | 297 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
c6c37250 | 298 | #ifdef DLL_SUPPORT |
252b5132 RH |
299 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
300 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
301 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
302 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
303 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); | |
304 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
305 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
306 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
0752a404 NC |
307 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n")); |
308 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n")); | |
309 | fprintf (file, _(" create __imp_<SYMBOL> as well.\n")); | |
5f577f7d DD |
310 | fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n")); |
311 | fprintf (file, _(" unless user specifies one\n")); | |
312 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); | |
627427de DD |
313 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll witout an\n")); |
314 | fprintf (file, _(" importlib, use <string><basename>.dll \n")); | |
315 | fprintf (file, _(" in preference to lib<basename>.dll \n")); | |
252b5132 RH |
316 | #endif |
317 | } | |
318 | ||
319 | static void | |
320 | set_pe_name (name, val) | |
321 | char *name; | |
322 | long val; | |
323 | { | |
324 | int i; | |
325 | /* Find the name and set it. */ | |
326 | for (i = 0; init[i].ptr; i++) | |
327 | { | |
328 | if (strcmp (name, init[i].symbol) == 0) | |
329 | { | |
330 | init[i].value = val; | |
331 | init[i].inited = 1; | |
332 | return; | |
333 | } | |
334 | } | |
335 | abort(); | |
336 | } | |
337 | ||
338 | ||
339 | static void | |
340 | set_pe_subsystem () | |
341 | { | |
342 | const char *sver; | |
343 | int len; | |
344 | int i; | |
345 | static const struct | |
346 | { | |
347 | const char *name; | |
348 | const int value; | |
349 | const char *entry; | |
350 | } | |
351 | v[] = | |
352 | { | |
2be9b2c7 | 353 | { "native", 1, "NtProcessStartup" }, |
344a211f | 354 | #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe |
2be9b2c7 | 355 | { "windows", 2, "WinMainCRTStartup" }, |
344a211f NC |
356 | #else |
357 | { "windows", 2, "WinMainCRTStartup" }, | |
358 | #endif | |
2be9b2c7 | 359 | { "console", 3, "mainCRTStartup" }, |
252b5132 RH |
360 | #if 0 |
361 | /* The Microsoft linker does not recognize this. */ | |
362 | { "os2", 5, "" }, | |
363 | #endif | |
2be9b2c7 | 364 | { "posix", 7, "__PosixProcessStartup"}, |
344a211f | 365 | { "wince", 9, "_WinMainCRTStartup" }, |
252b5132 RH |
366 | { 0, 0, 0 } |
367 | }; | |
368 | ||
369 | sver = strchr (optarg, ':'); | |
370 | if (sver == NULL) | |
371 | len = strlen (optarg); | |
372 | else | |
373 | { | |
374 | char *end; | |
375 | ||
376 | len = sver - optarg; | |
377 | set_pe_name ("__major_subsystem_version__", | |
378 | strtoul (sver + 1, &end, 0)); | |
379 | if (*end == '.') | |
380 | set_pe_name ("__minor_subsystem_version__", | |
381 | strtoul (end + 1, &end, 0)); | |
382 | if (*end != '\0') | |
383 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
384 | } | |
385 | ||
386 | for (i = 0; v[i].name; i++) | |
387 | { | |
388 | if (strncmp (optarg, v[i].name, len) == 0 | |
389 | && v[i].name[len] == '\0') | |
390 | { | |
2be9b2c7 ILT |
391 | const char *initial_symbol_char; |
392 | const char *entry; | |
393 | ||
252b5132 RH |
394 | set_pe_name ("__subsystem__", v[i].value); |
395 | ||
2be9b2c7 ILT |
396 | initial_symbol_char = ${INITIAL_SYMBOL_CHAR}; |
397 | if (*initial_symbol_char == '\0') | |
398 | entry = v[i].entry; | |
399 | else | |
400 | { | |
401 | char *alc_entry; | |
402 | ||
403 | /* lang_add_entry expects its argument to be permanently | |
404 | allocated, so we don't free this string. */ | |
405 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
406 | + strlen (v[i].entry) | |
407 | + 1); | |
408 | strcpy (alc_entry, initial_symbol_char); | |
409 | strcat (alc_entry, v[i].entry); | |
410 | entry = alc_entry; | |
411 | } | |
412 | ||
413 | lang_add_entry (entry, 1); | |
252b5132 RH |
414 | |
415 | return; | |
416 | } | |
417 | } | |
418 | ||
419 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
420 | } | |
421 | ||
422 | ||
423 | ||
424 | static void | |
425 | set_pe_value (name) | |
426 | char *name; | |
427 | ||
428 | { | |
429 | char *end; | |
430 | ||
431 | set_pe_name (name, strtoul (optarg, &end, 0)); | |
432 | ||
433 | if (end == optarg) | |
434 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
435 | ||
436 | optarg = end; | |
437 | } | |
438 | ||
439 | static void | |
440 | set_pe_stack_heap (resname, comname) | |
441 | char *resname; | |
442 | char *comname; | |
443 | { | |
444 | set_pe_value (resname); | |
445 | ||
446 | if (*optarg == ',') | |
447 | { | |
448 | optarg++; | |
449 | set_pe_value (comname); | |
450 | } | |
451 | else if (*optarg) | |
452 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
453 | } | |
454 | ||
455 | ||
456 | ||
457 | static int | |
458 | gld_${EMULATION_NAME}_parse_args(argc, argv) | |
459 | int argc; | |
460 | char **argv; | |
461 | { | |
462 | int longind; | |
463 | int optc; | |
464 | int prevoptind = optind; | |
465 | int prevopterr = opterr; | |
466 | int wanterror; | |
467 | static int lastoptind = -1; | |
468 | ||
469 | if (lastoptind != optind) | |
470 | opterr = 0; | |
471 | wanterror = opterr; | |
472 | ||
473 | lastoptind = optind; | |
474 | ||
475 | optc = getopt_long_only (argc, argv, "-", longopts, &longind); | |
476 | opterr = prevopterr; | |
477 | ||
478 | switch (optc) | |
479 | { | |
480 | default: | |
481 | if (wanterror) | |
482 | xexit (1); | |
483 | optind = prevoptind; | |
484 | return 0; | |
485 | ||
486 | case OPTION_BASE_FILE: | |
487 | link_info.base_file = (PTR) fopen (optarg, FOPEN_WB); | |
488 | if (link_info.base_file == NULL) | |
489 | { | |
490 | /* xgettext:c-format */ | |
491 | fprintf (stderr, _("%s: Can't open base file %s\n"), | |
492 | program_name, optarg); | |
493 | xexit (1); | |
494 | } | |
495 | break; | |
496 | ||
497 | /* PE options */ | |
498 | case OPTION_HEAP: | |
499 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); | |
500 | break; | |
501 | case OPTION_STACK: | |
502 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); | |
503 | break; | |
504 | case OPTION_SUBSYSTEM: | |
505 | set_pe_subsystem (); | |
506 | break; | |
507 | case OPTION_MAJOR_OS_VERSION: | |
508 | set_pe_value ("__major_os_version__"); | |
509 | break; | |
510 | case OPTION_MINOR_OS_VERSION: | |
511 | set_pe_value ("__minor_os_version__"); | |
512 | break; | |
513 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
514 | set_pe_value ("__major_subsystem_version__"); | |
515 | break; | |
516 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
517 | set_pe_value ("__minor_subsystem_version__"); | |
518 | break; | |
519 | case OPTION_MAJOR_IMAGE_VERSION: | |
520 | set_pe_value ("__major_image_version__"); | |
521 | break; | |
522 | case OPTION_MINOR_IMAGE_VERSION: | |
523 | set_pe_value ("__minor_image_version__"); | |
524 | break; | |
525 | case OPTION_FILE_ALIGNMENT: | |
526 | set_pe_value ("__file_alignment__"); | |
527 | break; | |
528 | case OPTION_SECTION_ALIGNMENT: | |
529 | set_pe_value ("__section_alignment__"); | |
530 | break; | |
531 | case OPTION_DLL: | |
532 | set_pe_name ("__dll__", 1); | |
533 | break; | |
534 | case OPTION_IMAGE_BASE: | |
535 | set_pe_value ("__image_base__"); | |
536 | break; | |
537 | case OPTION_SUPPORT_OLD_CODE: | |
538 | support_old_code = 1; | |
539 | break; | |
6f798e5c NC |
540 | case OPTION_THUMB_ENTRY: |
541 | thumb_entry_symbol = optarg; | |
542 | break; | |
c6c37250 | 543 | #ifdef DLL_SUPPORT |
252b5132 RH |
544 | case OPTION_OUT_DEF: |
545 | pe_out_def_filename = xstrdup (optarg); | |
546 | break; | |
547 | case OPTION_EXPORT_ALL: | |
548 | pe_dll_export_everything = 1; | |
549 | break; | |
550 | case OPTION_EXCLUDE_SYMBOLS: | |
252b5132 | 551 | pe_dll_add_excludes (optarg); |
252b5132 RH |
552 | break; |
553 | case OPTION_KILL_ATS: | |
554 | pe_dll_kill_ats = 1; | |
555 | break; | |
556 | case OPTION_STDCALL_ALIASES: | |
557 | pe_dll_stdcall_aliases = 1; | |
558 | break; | |
559 | case OPTION_ENABLE_STDCALL_FIXUP: | |
560 | pe_enable_stdcall_fixup = 1; | |
561 | break; | |
562 | case OPTION_DISABLE_STDCALL_FIXUP: | |
563 | pe_enable_stdcall_fixup = 0; | |
564 | break; | |
565 | case OPTION_IMPLIB_FILENAME: | |
566 | pe_implib_filename = xstrdup (optarg); | |
567 | break; | |
870df5dc NC |
568 | case OPTION_WARN_DUPLICATE_EXPORTS: |
569 | pe_dll_warn_dup_exports = 1; | |
570 | break; | |
571 | case OPTION_IMP_COMPAT: | |
572 | pe_dll_compat_implib = 1; | |
573 | break; | |
5f577f7d DD |
574 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
575 | pe_enable_auto_image_base = 1; | |
576 | break; | |
577 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
578 | pe_enable_auto_image_base = 0; | |
579 | break; | |
627427de DD |
580 | case OPTION_DLL_SEARCH_PREFIX: |
581 | pe_dll_search_prefix = xstrdup( optarg ); | |
582 | break; | |
1122a5fc NC |
583 | case OPTION_NO_DEFAULT_EXCLUDES: |
584 | pe_dll_do_default_excludes = 0; | |
585 | break; | |
c6c37250 | 586 | #endif |
252b5132 RH |
587 | } |
588 | return 1; | |
589 | } | |
590 | \f | |
5f577f7d | 591 | |
2ef53d66 | 592 | #ifdef DLL_SUPPORT |
5f577f7d DD |
593 | static unsigned long |
594 | strhash (const char *str) | |
595 | { | |
596 | const unsigned char *s; | |
597 | unsigned long hash; | |
598 | unsigned int c; | |
599 | unsigned int len; | |
600 | ||
601 | hash = 0; | |
602 | len = 0; | |
603 | s = (const unsigned char *) str; | |
604 | while ((c = *s++) != '\0') | |
605 | { | |
606 | hash += c + (c << 17); | |
607 | hash ^= hash >> 2; | |
608 | ++len; | |
609 | } | |
610 | hash += len + (len << 17); | |
611 | hash ^= hash >> 2; | |
612 | ||
613 | return hash; | |
614 | } | |
615 | ||
616 | /* Use the output file to create a image base for relocatable DLLs. */ | |
617 | static unsigned long | |
618 | compute_dll_image_base (const char *ofile) | |
619 | { | |
620 | unsigned long hash = strhash (ofile); | |
621 | return 0x60000000 | ((hash << 16) & 0x0FFC0000); | |
622 | } | |
2ef53d66 | 623 | #endif |
5f577f7d | 624 | |
252b5132 RH |
625 | /* Assign values to the special symbols before the linker script is |
626 | read. */ | |
627 | ||
628 | static void | |
629 | gld_${EMULATION_NAME}_set_symbols () | |
630 | { | |
631 | /* Run through and invent symbols for all the | |
632 | names and insert the defaults. */ | |
633 | int j; | |
634 | lang_statement_list_type *save; | |
635 | ||
636 | if (!init[IMAGEBASEOFF].inited) | |
637 | { | |
638 | if (link_info.relocateable) | |
639 | init[IMAGEBASEOFF].value = 0; | |
640 | else if (init[DLLOFF].value || link_info.shared) | |
2ef53d66 | 641 | #ifdef DLL_SUPPORT |
5f577f7d DD |
642 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ? |
643 | compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE; | |
2ef53d66 L |
644 | #else |
645 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; | |
646 | #endif | |
252b5132 RH |
647 | else |
648 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
649 | } | |
650 | ||
651 | /* Don't do any symbol assignments if this is a relocateable link. */ | |
652 | if (link_info.relocateable) | |
653 | return; | |
654 | ||
655 | /* Glue the assignments into the abs section */ | |
656 | save = stat_ptr; | |
657 | ||
658 | stat_ptr = &(abs_output_section->children); | |
659 | ||
660 | for (j = 0; init[j].ptr; j++) | |
661 | { | |
662 | long val = init[j].value; | |
663 | lang_assignment_statement_type *rv; | |
664 | rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val))); | |
665 | if (init[j].size == sizeof(short)) | |
666 | *(short *)init[j].ptr = val; | |
667 | else if (init[j].size == sizeof(int)) | |
668 | *(int *)init[j].ptr = val; | |
669 | else if (init[j].size == sizeof(long)) | |
670 | *(long *)init[j].ptr = val; | |
671 | /* This might be a long long or other special type. */ | |
672 | else if (init[j].size == sizeof(bfd_vma)) | |
673 | *(bfd_vma *)init[j].ptr = val; | |
674 | else abort(); | |
675 | if (j == IMAGEBASEOFF) | |
676 | image_base_statement = rv; | |
677 | } | |
678 | /* Restore the pointer. */ | |
679 | stat_ptr = save; | |
680 | ||
681 | if (pe.FileAlignment > | |
682 | pe.SectionAlignment) | |
683 | { | |
684 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
685 | } | |
686 | } | |
687 | ||
688 | /* This is called after the linker script and the command line options | |
689 | have been read. */ | |
690 | ||
691 | static void | |
692 | gld_${EMULATION_NAME}_after_parse () | |
693 | { | |
694 | /* The Windows libraries are designed for the linker to treat the | |
695 | entry point as an undefined symbol. Otherwise, the .obj that | |
696 | defines mainCRTStartup is brought in because it is the first | |
697 | encountered in libc.lib and it has other symbols in it which will | |
698 | be pulled in by the link process. To avoid this, we act as | |
699 | though the user specified -u with the entry point symbol. | |
700 | ||
701 | This function is called after the linker script and command line | |
702 | options have been read, so at this point we know the right entry | |
703 | point. This function is called before the input files are | |
704 | opened, so registering the symbol as undefined will make a | |
705 | difference. */ | |
706 | ||
2a275620 | 707 | if (! link_info.relocateable && entry_symbol != NULL) |
252b5132 RH |
708 | ldlang_add_undef (entry_symbol); |
709 | } | |
710 | ||
2ef53d66 | 711 | #ifdef DLL_SUPPORT |
252b5132 RH |
712 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
713 | ||
714 | static boolean | |
715 | pe_undef_cdecl_match (h, string) | |
716 | struct bfd_link_hash_entry *h; | |
717 | PTR string; | |
718 | { | |
719 | int sl = strlen (string); | |
720 | if (h->type == bfd_link_hash_defined | |
721 | && strncmp (h->root.string, string, sl) == 0 | |
722 | && h->root.string[sl] == '@') | |
723 | { | |
724 | pe_undef_found_sym = h; | |
725 | return false; | |
726 | } | |
727 | return true; | |
728 | } | |
729 | ||
730 | static void | |
731 | pe_fixup_stdcalls () | |
732 | { | |
733 | static int gave_warning_message = 0; | |
734 | struct bfd_link_hash_entry *undef, *sym; | |
735 | char *at; | |
736 | for (undef = link_info.hash->undefs; undef; undef=undef->next) | |
737 | if (undef->type == bfd_link_hash_undefined) | |
738 | { | |
739 | at = strchr (undef->root.string, '@'); | |
740 | if (at) | |
741 | { | |
742 | /* The symbol is a stdcall symbol, so let's look for a cdecl | |
743 | symbol with the same name and resolve to that */ | |
744 | char *cname = xstrdup (undef->root.string); | |
745 | at = strchr (cname, '@'); | |
746 | *at = 0; | |
747 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); | |
748 | if (sym && sym->type == bfd_link_hash_defined) | |
749 | { | |
750 | undef->type = bfd_link_hash_defined; | |
751 | undef->u.def.value = sym->u.def.value; | |
752 | undef->u.def.section = sym->u.def.section; | |
753 | if (pe_enable_stdcall_fixup == -1) | |
754 | { | |
755 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
756 | undef->root.string, cname); | |
757 | if (! gave_warning_message) | |
758 | { | |
759 | gave_warning_message = 1; | |
760 | einfo(_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
761 | einfo(_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
762 | } | |
763 | } | |
764 | } | |
765 | } | |
766 | else | |
767 | { | |
768 | /* The symbol is a cdecl symbol, so we look for stdcall | |
769 | symbols - which means scanning the whole symbol table */ | |
770 | pe_undef_found_sym = 0; | |
771 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
772 | (PTR) undef->root.string); | |
773 | sym = pe_undef_found_sym; | |
774 | if (sym) | |
775 | { | |
776 | undef->type = bfd_link_hash_defined; | |
777 | undef->u.def.value = sym->u.def.value; | |
778 | undef->u.def.section = sym->u.def.section; | |
779 | if (pe_enable_stdcall_fixup == -1) | |
780 | { | |
781 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
782 | undef->root.string, sym->root.string); | |
783 | if (! gave_warning_message) | |
784 | { | |
785 | gave_warning_message = 1; | |
786 | einfo(_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
787 | einfo(_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
788 | } | |
789 | } | |
790 | } | |
791 | } | |
792 | } | |
793 | } | |
f0c87f88 | 794 | #endif /* DLL_SUPPORT */ |
252b5132 RH |
795 | |
796 | static void | |
797 | gld_${EMULATION_NAME}_after_open () | |
798 | { | |
799 | /* Pass the wacky PE command line options into the output bfd. | |
800 | FIXME: This should be done via a function, rather than by | |
801 | including an internal BFD header. */ | |
802 | ||
803 | if (!coff_data (output_bfd)->pe) | |
804 | einfo (_("%F%P: PE operations on non PE file.\n")); | |
805 | ||
806 | pe_data (output_bfd)->pe_opthdr = pe; | |
807 | pe_data (output_bfd)->dll = init[DLLOFF].value; | |
808 | ||
c6c37250 | 809 | #ifdef DLL_SUPPORT |
252b5132 RH |
810 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
811 | pe_fixup_stdcalls (); | |
812 | ||
813 | pe_process_import_defs(output_bfd, &link_info); | |
814 | if (link_info.shared) | |
815 | pe_dll_build_sections (output_bfd, &link_info); | |
344a211f NC |
816 | |
817 | #ifndef TARGET_IS_i386pe | |
818 | #ifndef TARGET_IS_armpe | |
819 | else | |
820 | pe_exe_build_sections (output_bfd, &link_info); | |
821 | #endif | |
822 | #endif | |
252b5132 RH |
823 | #endif |
824 | ||
626e0105 | 825 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
f11523b0 NC |
826 | if (strstr (bfd_get_target (output_bfd), "arm") == NULL) |
827 | { | |
828 | /* The arm backend needs special fields in the output hash structure. | |
829 | These will only be created if the output format is an arm format, | |
830 | hence we do not support linking and changing output formats at the | |
831 | same time. Use a link followed by objcopy to change output formats. */ | |
832 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
833 | return; | |
834 | } | |
252b5132 RH |
835 | { |
836 | /* Find a BFD that can hold the interworking stubs. */ | |
837 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
838 | { | |
46d23b7c | 839 | if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
840 | break; |
841 | } | |
842 | } | |
843 | #endif | |
c6c37250 | 844 | |
486e80e2 | 845 | { |
486e80e2 DD |
846 | /* This next chunk of code tries to detect the case where you have |
847 | two import libraries for the same DLL (specifically, | |
848 | symbolically linking libm.a and libc.a in cygwin to | |
849 | libcygwin.a). In those cases, it's possible for function | |
850 | thunks from the second implib to be used but without the | |
851 | head/tail objects, causing an improper import table. We detect | |
852 | those cases and rename the "other" import libraries to match | |
853 | the one the head/tail come from, so that the linker will sort | |
854 | things nicely and produce a valid import table. */ | |
855 | ||
856 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
857 | { | |
858 | if (is->the_bfd->my_archive) | |
859 | { | |
860 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
861 | asection *sec; | |
6e45556a NC |
862 | |
863 | /* See if this is an import library thunk. */ | |
486e80e2 DD |
864 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
865 | { | |
866 | if (strcmp (sec->name, ".idata\$2") == 0) | |
867 | idata2 = 1; | |
868 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
869 | is_imp = 1; | |
870 | reloc_count += sec->reloc_count; | |
871 | } | |
6e45556a | 872 | |
486e80e2 DD |
873 | if (is_imp && !idata2 && reloc_count) |
874 | { | |
6e45556a NC |
875 | /* It is, look for the reference to head and see if it's |
876 | from our own library. */ | |
486e80e2 DD |
877 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
878 | { | |
879 | int i; | |
6e45556a NC |
880 | long symsize; |
881 | long relsize; | |
102c86f8 | 882 | asymbol **symbols; |
102c86f8 NC |
883 | arelent **relocs; |
884 | int nrelocs; | |
885 | ||
886 | symsize = bfd_get_symtab_upper_bound (is->the_bfd); | |
6e45556a NC |
887 | if (symsize < 1) |
888 | break; | |
102c86f8 | 889 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
890 | if (relsize < 1) |
891 | break; | |
892 | ||
893 | symbols = (asymbol **) xmalloc (symsize); | |
894 | symsize = bfd_canonicalize_symtab (is->the_bfd, symbols); | |
895 | if (symsize < 0) | |
896 | { | |
897 | einfo ("%X%P: unable to process symbols: %E"); | |
898 | return; | |
899 | } | |
900 | ||
102c86f8 NC |
901 | relocs = (arelent **) xmalloc ((size_t) relsize); |
902 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, | |
486e80e2 | 903 | relocs, symbols); |
6e45556a NC |
904 | if (nrelocs < 0) |
905 | { | |
906 | free (relocs); | |
907 | einfo ("%X%P: unable to process relocs: %E"); | |
908 | return; | |
909 | } | |
910 | ||
911 | for (i = 0; i < nrelocs; i++) | |
486e80e2 DD |
912 | { |
913 | struct symbol_cache_entry *s; | |
6e45556a NC |
914 | struct bfd_link_hash_entry * blhe; |
915 | bfd *other_bfd; | |
916 | char *n; | |
917 | ||
486e80e2 | 918 | s = (relocs[i]->sym_ptr_ptr)[0]; |
6e45556a NC |
919 | |
920 | if (s->flags & BSF_LOCAL) | |
921 | continue; | |
922 | ||
923 | /* Thunk section with reloc to another bfd. */ | |
924 | blhe = bfd_link_hash_lookup (link_info.hash, | |
925 | s->name, | |
926 | false, false, true); | |
927 | ||
928 | if (blhe == NULL | |
929 | || blhe->type != bfd_link_hash_defined) | |
930 | continue; | |
931 | ||
932 | other_bfd = blhe->u.def.section->owner; | |
933 | ||
934 | if (strcmp (is->the_bfd->my_archive->filename, | |
935 | other_bfd->my_archive->filename) == 0) | |
936 | continue; | |
937 | ||
938 | /* Rename this implib to match the other. */ | |
939 | n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1); | |
940 | ||
941 | strcpy (n, other_bfd->my_archive->filename); | |
942 | ||
943 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
944 | } |
945 | ||
946 | free (relocs); | |
6e45556a NC |
947 | /* Note - we do not free the symbols, |
948 | they are now cached in the BFD. */ | |
486e80e2 DD |
949 | } |
950 | } | |
951 | } | |
952 | } | |
953 | } | |
954 | ||
c6c37250 | 955 | { |
f0c87f88 | 956 | int is_ms_arch = 0; |
1069dd8d | 957 | bfd *cur_arch = 0; |
c6c37250 | 958 | lang_input_statement_type *is2; |
1069dd8d | 959 | |
c6c37250 DD |
960 | /* Careful - this is a shell script. Watch those dollar signs! */ |
961 | /* Microsoft import libraries have every member named the same, | |
962 | and not in the right order for us to link them correctly. We | |
963 | must detect these and rename the members so that they'll link | |
964 | correctly. There are three types of objects: the head, the | |
965 | thunks, and the sentinel(s). The head is easy; it's the one | |
966 | with idata2. We assume that the sentinels won't have relocs, | |
967 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 968 | table for external references. */ |
c6c37250 DD |
969 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
970 | { | |
971 | if (is->the_bfd->my_archive) | |
972 | { | |
973 | bfd *arch = is->the_bfd->my_archive; | |
974 | if (cur_arch != arch) | |
975 | { | |
976 | cur_arch = arch; | |
977 | is_ms_arch = 1; | |
978 | for (is2 = is; | |
979 | is2 && is2->the_bfd->my_archive == arch; | |
980 | is2 = (lang_input_statement_type *)is2->next) | |
981 | { | |
982 | if (strcmp (is->the_bfd->filename, is2->the_bfd->filename)) | |
983 | is_ms_arch = 0; | |
984 | } | |
985 | } | |
986 | ||
987 | if (is_ms_arch) | |
988 | { | |
1069dd8d | 989 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
990 | asection *sec; |
991 | char *new_name, seq; | |
1069dd8d | 992 | |
c6c37250 DD |
993 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
994 | { | |
995 | if (strcmp (sec->name, ".idata\$2") == 0) | |
996 | idata2 = 1; | |
997 | reloc_count += sec->reloc_count; | |
998 | } | |
999 | ||
1000 | if (idata2) /* .idata2 is the TOC */ | |
1001 | seq = 'a'; | |
1002 | else if (reloc_count > 0) /* thunks */ | |
1003 | seq = 'b'; | |
1004 | else /* sentinel */ | |
1005 | seq = 'c'; | |
1006 | ||
e4e24acb | 1007 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1008 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1009 | is->the_bfd->filename = new_name; | |
1010 | ||
690a460e | 1011 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1012 | sprintf (new_name, "%s.%c", is->filename, seq); |
1013 | is->filename = new_name; | |
1014 | } | |
1015 | } | |
1016 | } | |
1017 | } | |
252b5132 RH |
1018 | } |
1019 | \f | |
1020 | static void | |
1021 | gld_${EMULATION_NAME}_before_allocation() | |
1022 | { | |
1023 | #ifdef TARGET_IS_ppcpe | |
1024 | /* Here we rummage through the found bfds to collect toc information */ | |
1025 | { | |
1026 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1027 | { | |
1028 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1029 | { | |
1030 | /* xgettext:c-format */ | |
1031 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1032 | } | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | /* We have seen it all. Allocate it, and carry on */ | |
1037 | ppc_allocate_toc_section (&link_info); | |
1038 | #endif /* TARGET_IS_ppcpe */ | |
1039 | ||
626e0105 | 1040 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
252b5132 RH |
1041 | /* FIXME: we should be able to set the size of the interworking stub |
1042 | section. | |
1043 | ||
1044 | Here we rummage through the found bfds to collect glue | |
1045 | information. FIXME: should this be based on a command line | |
1046 | option? krk@cygnus.com */ | |
1047 | { | |
1048 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1049 | { | |
46d23b7c | 1050 | if (! bfd_arm_pe_process_before_allocation |
252b5132 RH |
1051 | (is->the_bfd, & link_info, support_old_code)) |
1052 | { | |
1053 | /* xgettext:c-format */ | |
1054 | einfo (_("Errors encountered processing file %s for interworking"), | |
1055 | is->filename); | |
1056 | } | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | /* We have seen it all. Allocate it, and carry on */ | |
46d23b7c | 1061 | bfd_arm_pe_allocate_interworking_sections (& link_info); |
252b5132 RH |
1062 | #endif /* TARGET_IS_armpe */ |
1063 | } | |
1064 | \f | |
690a460e | 1065 | #ifdef DLL_SUPPORT |
252b5132 RH |
1066 | /* This is called when an input file isn't recognized as a BFD. We |
1067 | check here for .DEF files and pull them in automatically. */ | |
690a460e | 1068 | |
252b5132 RH |
1069 | static int |
1070 | saw_option(char *option) | |
1071 | { | |
1072 | int i; | |
1073 | for (i=0; init[i].ptr; i++) | |
1074 | if (strcmp (init[i].symbol, option) == 0) | |
1075 | return init[i].inited; | |
1076 | return 0; | |
1077 | } | |
690a460e | 1078 | #endif /* DLL_SUPPORT */ |
252b5132 RH |
1079 | |
1080 | static boolean | |
1081 | gld_${EMULATION_NAME}_unrecognized_file(entry) | |
f0c87f88 | 1082 | lang_input_statement_type *entry ATTRIBUTE_UNUSED; |
252b5132 | 1083 | { |
c6c37250 | 1084 | #ifdef DLL_SUPPORT |
252b5132 RH |
1085 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1086 | ||
1087 | if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0) | |
1088 | { | |
1089 | if (pe_def_file == 0) | |
1090 | pe_def_file = def_file_empty (); | |
1091 | def_file_parse (entry->filename, pe_def_file); | |
1092 | if (pe_def_file) | |
1093 | { | |
1094 | int i, buflen=0, len; | |
1095 | char *buf; | |
1096 | for (i=0; i<pe_def_file->num_exports; i++) | |
1097 | { | |
1098 | len = strlen(pe_def_file->exports[i].internal_name); | |
1099 | if (buflen < len+2) | |
1100 | buflen = len+2; | |
1101 | } | |
1102 | buf = (char *) xmalloc (buflen); | |
1103 | for (i=0; i<pe_def_file->num_exports; i++) | |
1104 | { | |
1105 | struct bfd_link_hash_entry *h; | |
1106 | sprintf(buf, "_%s", pe_def_file->exports[i].internal_name); | |
1107 | ||
1108 | h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true); | |
1109 | if (h == (struct bfd_link_hash_entry *) NULL) | |
1110 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1111 | if (h->type == bfd_link_hash_new) | |
1112 | { | |
1113 | h->type = bfd_link_hash_undefined; | |
1114 | h->u.undef.abfd = NULL; | |
1115 | bfd_link_add_undef (link_info.hash, h); | |
1116 | } | |
1117 | } | |
1118 | free (buf); | |
1119 | ||
1120 | /* def_file_print (stdout, pe_def_file); */ | |
1121 | if (pe_def_file->is_dll == 1) | |
1122 | link_info.shared = 1; | |
1123 | ||
1124 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1125 | { | |
1126 | pe.ImageBase = | |
1127 | pe_data (output_bfd)->pe_opthdr.ImageBase = | |
1128 | init[IMAGEBASEOFF].value = pe_def_file->base_address; | |
1129 | init[IMAGEBASEOFF].inited = 1; | |
1130 | if (image_base_statement) | |
1131 | image_base_statement->exp = | |
1132 | exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase)); | |
1133 | } | |
1134 | ||
1135 | #if 0 | |
1136 | /* Not sure if these *should* be set */ | |
1137 | if (pe_def_file->version_major != -1) | |
1138 | { | |
1139 | pe.MajorImageVersion = pe_def_file->version_major; | |
1140 | pe.MinorImageVersion = pe_def_file->version_minor; | |
1141 | } | |
1142 | #endif | |
1143 | if (pe_def_file->stack_reserve != -1 | |
1144 | && ! saw_option ("__size_of_stack_reserve__")) | |
1145 | { | |
1146 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1147 | if (pe_def_file->stack_commit != -1) | |
1148 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1149 | } | |
1150 | if (pe_def_file->heap_reserve != -1 | |
1151 | && ! saw_option ("__size_of_heap_reserve__")) | |
1152 | { | |
1153 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1154 | if (pe_def_file->heap_commit != -1) | |
1155 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1156 | } | |
1157 | return true; | |
1158 | } | |
1159 | } | |
1160 | #endif | |
1161 | return false; | |
1162 | ||
1163 | } | |
1164 | ||
1165 | static boolean | |
1166 | gld_${EMULATION_NAME}_recognized_file(entry) | |
f0c87f88 | 1167 | lang_input_statement_type *entry ATTRIBUTE_UNUSED; |
252b5132 | 1168 | { |
c6c37250 | 1169 | #ifdef DLL_SUPPORT |
252b5132 | 1170 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1171 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1172 | #endif |
1173 | #ifdef TARGET_IS_shpe | |
1174 | pe_dll_id_target ("pei-shl"); | |
1175 | #endif | |
1176 | #ifdef TARGET_IS_mipspe | |
1177 | pe_dll_id_target ("pei-mips"); | |
1178 | #endif | |
1179 | #ifdef TARGET_IS_armpe | |
1180 | pe_dll_id_target ("pei-arm-little"); | |
c6c37250 | 1181 | #endif |
252b5132 RH |
1182 | if (bfd_get_format (entry->the_bfd) == bfd_object) |
1183 | { | |
1184 | const char *ext = entry->filename + strlen (entry->filename) - 4; | |
1185 | if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0) | |
1186 | return pe_implied_import_dll (entry->filename); | |
1187 | } | |
1188 | #endif | |
1189 | return false; | |
1190 | } | |
1191 | ||
1192 | static void | |
1193 | gld_${EMULATION_NAME}_finish () | |
1194 | { | |
6f798e5c NC |
1195 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
1196 | struct bfd_link_hash_entry * h; | |
1197 | ||
1198 | if (thumb_entry_symbol != NULL) | |
1199 | { | |
1200 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true); | |
1201 | ||
1202 | if (h != (struct bfd_link_hash_entry *) NULL | |
1203 | && (h->type == bfd_link_hash_defined | |
1204 | || h->type == bfd_link_hash_defweak) | |
1205 | && h->u.def.section->output_section != NULL) | |
1206 | { | |
1207 | static char buffer[32]; | |
1208 | bfd_vma val; | |
1209 | ||
1210 | /* Special procesing is required for a Thumb entry symbol. The | |
1211 | bottom bit of its address must be set. */ | |
1212 | val = (h->u.def.value | |
1213 | + bfd_get_section_vma (output_bfd, | |
1214 | h->u.def.section->output_section) | |
1215 | + h->u.def.section->output_offset); | |
1216 | ||
1217 | val |= 1; | |
1218 | ||
1219 | /* Now convert this value into a string and store it in entry_symbol | |
1220 | where the lang_finish() function will pick it up. */ | |
1221 | buffer[0] = '0'; | |
1222 | buffer[1] = 'x'; | |
1223 | ||
1224 | sprintf_vma (buffer + 2, val); | |
1225 | ||
1226 | if (entry_symbol != NULL && entry_from_cmdline) | |
1227 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), | |
1228 | thumb_entry_symbol, entry_symbol); | |
1229 | entry_symbol = buffer; | |
1230 | } | |
1231 | else | |
1232 | einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol); | |
1233 | } | |
1234 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */ | |
1235 | ||
c6c37250 | 1236 | #ifdef DLL_SUPPORT |
252b5132 RH |
1237 | if (link_info.shared) |
1238 | { | |
1239 | pe_dll_fill_sections (output_bfd, &link_info); | |
1240 | if (pe_implib_filename) | |
1241 | pe_dll_generate_implib (pe_def_file, pe_implib_filename); | |
1242 | } | |
344a211f | 1243 | #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) |
690a460e | 1244 | /* ARM doesn't need relocs. */ |
344a211f NC |
1245 | else |
1246 | { | |
1247 | pe_exe_fill_sections (output_bfd, &link_info); | |
1248 | } | |
1249 | #endif | |
1250 | ||
252b5132 RH |
1251 | if (pe_out_def_filename) |
1252 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 1253 | #endif /* DLL_SUPPORT */ |
252b5132 RH |
1254 | } |
1255 | ||
1256 | \f | |
1257 | /* Place an orphan section. | |
1258 | ||
1259 | We use this to put sections in a reasonable place in the file, and | |
1260 | to ensure that they are aligned as required. | |
1261 | ||
1262 | We handle grouped sections here as well. A section named .foo$nn | |
1263 | goes into the output section .foo. All grouped sections are sorted | |
1264 | by name. | |
1265 | ||
1266 | Grouped sections for the default sections are handled by the | |
1267 | default linker script using wildcards, and are sorted by | |
1268 | sort_sections. */ | |
1269 | ||
6a345e87 AM |
1270 | struct orphan_save |
1271 | { | |
1272 | lang_output_section_statement_type *os; | |
5ba47421 | 1273 | asection **section; |
6a345e87 AM |
1274 | lang_statement_union_type **stmt; |
1275 | }; | |
252b5132 RH |
1276 | |
1277 | /*ARGSUSED*/ | |
1278 | static boolean | |
1279 | gld_${EMULATION_NAME}_place_orphan (file, s) | |
1280 | lang_input_statement_type *file; | |
1281 | asection *s; | |
1282 | { | |
1283 | const char *secname; | |
aea4bd9d | 1284 | char *hold_section_name; |
f0c87f88 | 1285 | char *dollar = NULL; |
2e418547 | 1286 | const char *ps = NULL; |
aea4bd9d | 1287 | lang_output_section_statement_type *os; |
5ba47421 | 1288 | lang_statement_list_type add_child; |
252b5132 | 1289 | |
252b5132 RH |
1290 | secname = bfd_get_section_name (s->owner, s); |
1291 | ||
1292 | /* Look through the script to see where to place this section. */ | |
1293 | ||
252b5132 | 1294 | hold_section_name = xstrdup (secname); |
6eec49fc DD |
1295 | if (!link_info.relocateable) |
1296 | { | |
1297 | dollar = strchr (hold_section_name, '$'); | |
1298 | if (dollar != NULL) | |
1299 | *dollar = '\0'; | |
1300 | } | |
252b5132 | 1301 | |
aea4bd9d | 1302 | os = lang_output_section_find (hold_section_name); |
252b5132 | 1303 | |
5ba47421 AM |
1304 | lang_list_init (&add_child); |
1305 | ||
aea4bd9d AM |
1306 | if (os != NULL |
1307 | && os->bfd_section != NULL | |
1308 | && ((s->flags ^ os->bfd_section->flags) & (SEC_LOAD | SEC_ALLOC)) == 0) | |
5ba47421 | 1309 | { |
aea4bd9d | 1310 | wild_doit (&add_child, s, os, file); |
5ba47421 AM |
1311 | } |
1312 | else | |
252b5132 | 1313 | { |
6a345e87 | 1314 | struct orphan_save *place; |
aea4bd9d AM |
1315 | static struct orphan_save hold_text; |
1316 | static struct orphan_save hold_rdata; | |
1317 | static struct orphan_save hold_data; | |
1318 | static struct orphan_save hold_bss; | |
252b5132 | 1319 | char *outsecname; |
252b5132 RH |
1320 | lang_statement_list_type *old; |
1321 | lang_statement_list_type add; | |
1322 | etree_type *address; | |
1323 | ||
1324 | /* Try to put the new output section in a reasonable place based | |
1325 | on the section name and section flags. */ | |
aea4bd9d AM |
1326 | #define HAVE_SECTION(hold, name) \ |
1327 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1328 | ||
252b5132 | 1329 | place = NULL; |
5ba47421 AM |
1330 | if ((s->flags & SEC_ALLOC) == 0) |
1331 | ; | |
1332 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 | |
aea4bd9d | 1333 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1334 | place = &hold_bss; |
252b5132 | 1335 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1336 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1337 | place = &hold_data; |
252b5132 RH |
1338 | else if ((s->flags & SEC_CODE) == 0 |
1339 | && (s->flags & SEC_READONLY) != 0 | |
aea4bd9d | 1340 | && HAVE_SECTION (hold_rdata, ".rdata")) |
6a345e87 | 1341 | place = &hold_rdata; |
252b5132 | 1342 | else if ((s->flags & SEC_READONLY) != 0 |
aea4bd9d | 1343 | && HAVE_SECTION (hold_text, ".text")) |
6a345e87 | 1344 | place = &hold_text; |
252b5132 | 1345 | |
aea4bd9d AM |
1346 | #undef HAVE_SECTION |
1347 | ||
252b5132 RH |
1348 | /* Choose a unique name for the section. This will be needed if |
1349 | the same section name appears in the input file with | |
1350 | different loadable or allocateable characteristics. */ | |
1351 | outsecname = xstrdup (hold_section_name); | |
1352 | if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) | |
1353 | { | |
1354 | unsigned int len; | |
1355 | char *newname; | |
1356 | unsigned int i; | |
1357 | ||
1358 | len = strlen (outsecname); | |
1359 | newname = xmalloc (len + 5); | |
1360 | strcpy (newname, outsecname); | |
1361 | i = 0; | |
1362 | do | |
1363 | { | |
1364 | sprintf (newname + len, "%d", i); | |
1365 | ++i; | |
1366 | } | |
1367 | while (bfd_get_section_by_name (output_bfd, newname) != NULL); | |
1368 | ||
1369 | free (outsecname); | |
1370 | outsecname = newname; | |
1371 | } | |
1372 | ||
252b5132 RH |
1373 | /* Start building a list of statements for this section. */ |
1374 | old = stat_ptr; | |
1375 | stat_ptr = &add; | |
1376 | lang_list_init (stat_ptr); | |
1377 | ||
2e418547 PB |
1378 | if (config.build_constructors) |
1379 | { | |
1380 | /* If the name of the section is representable in C, then create | |
1381 | symbols to mark the start and the end of the section. */ | |
1382 | for (ps = outsecname; *ps != '\0'; ps++) | |
1383 | if (! isalnum ((unsigned char) *ps) && *ps != '_') | |
1384 | break; | |
1385 | if (*ps == '\0') | |
1386 | { | |
1387 | char *symname; | |
1388 | etree_type *e_align; | |
1389 | ||
1390 | symname = (char *) xmalloc (ps - outsecname + sizeof "___start_"); | |
1391 | sprintf (symname, "___start_%s", outsecname); | |
1392 | e_align = exp_unop (ALIGN_K, | |
1393 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1394 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1395 | } | |
1396 | } | |
1397 | ||
01cc8ff8 AM |
1398 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
1399 | address = exp_intop ((bfd_vma) 0); | |
252b5132 RH |
1400 | else |
1401 | { | |
1402 | /* All sections in an executable must be aligned to a page | |
1403 | boundary. */ | |
1404 | address = exp_unop (ALIGN_K, | |
1405 | exp_nameop (NAME, "__section_alignment__")); | |
1406 | } | |
1407 | ||
aea4bd9d AM |
1408 | os = lang_enter_output_section_statement (outsecname, address, 0, |
1409 | (bfd_vma) 0, | |
1410 | (etree_type *) NULL, | |
1411 | (etree_type *) NULL, | |
1412 | (etree_type *) NULL); | |
252b5132 | 1413 | |
aea4bd9d | 1414 | wild_doit (&add_child, s, os, file); |
252b5132 RH |
1415 | |
1416 | lang_leave_output_section_statement | |
1417 | ((bfd_vma) 0, "*default*", | |
aea4bd9d | 1418 | (struct lang_output_section_phdr_list *) NULL, "*default*"); |
252b5132 | 1419 | |
2e418547 PB |
1420 | if (config.build_constructors && *ps == '\0') |
1421 | { | |
1422 | char *symname; | |
1423 | ||
1424 | /* lang_leave_ouput_section_statement resets stat_ptr. Put | |
1425 | stat_ptr back where we want it. */ | |
1426 | if (place != NULL) | |
1427 | stat_ptr = &add; | |
1428 | ||
1429 | symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_"); | |
1430 | sprintf (symname, "___stop_%s", outsecname); | |
1431 | lang_add_assignment (exp_assop ('=', symname, | |
1432 | exp_nameop (NAME, "."))); | |
1433 | } | |
1434 | ||
5ba47421 AM |
1435 | stat_ptr = old; |
1436 | ||
252b5132 RH |
1437 | if (place != NULL) |
1438 | { | |
5ba47421 AM |
1439 | asection *snew, **pps; |
1440 | ||
aea4bd9d | 1441 | snew = os->bfd_section; |
5ba47421 AM |
1442 | if (place->os->bfd_section != NULL || place->section != NULL) |
1443 | { | |
1444 | /* Shuffle the section to make the output file look neater. */ | |
1445 | if (place->section == NULL) | |
1446 | { | |
1447 | #if 0 | |
1448 | /* Finding the end of the list is a little tricky. We | |
1449 | make a wild stab at it by comparing section flags. */ | |
1450 | flagword first_flags = place->os->bfd_section->flags; | |
1451 | for (pps = &place->os->bfd_section->next; | |
1452 | *pps != NULL && (*pps)->flags == first_flags; | |
1453 | pps = &(*pps)->next) | |
1454 | ; | |
1455 | place->section = pps; | |
1456 | #else | |
1457 | /* Put orphans after the first section on the list. */ | |
1458 | place->section = &place->os->bfd_section->next; | |
1459 | #endif | |
1460 | } | |
1461 | ||
1462 | /* Unlink the section. */ | |
1463 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
1464 | ; | |
1465 | *pps = snew->next; | |
1466 | ||
1467 | /* Now tack it on to the "place->os" section list. */ | |
1468 | snew->next = *place->section; | |
1469 | *place->section = snew; | |
1470 | } | |
1471 | place->section = &snew->next; /* Save the end of this list. */ | |
1472 | ||
1473 | if (place->stmt == NULL) | |
6a345e87 AM |
1474 | { |
1475 | /* Put the new statement list right at the head. */ | |
1476 | *add.tail = place->os->header.next; | |
1477 | place->os->header.next = add.head; | |
1478 | } | |
1479 | else | |
1480 | { | |
1481 | /* Put it after the last orphan statement we added. */ | |
1482 | *add.tail = *place->stmt; | |
1483 | *place->stmt = add.head; | |
1484 | } | |
1485 | place->stmt = add.tail; /* Save the end of this list. */ | |
252b5132 | 1486 | } |
252b5132 RH |
1487 | } |
1488 | ||
5ba47421 | 1489 | { |
aea4bd9d | 1490 | lang_statement_union_type **pl = &os->children.head; |
252b5132 | 1491 | |
5ba47421 AM |
1492 | if (dollar != NULL) |
1493 | { | |
1494 | boolean found_dollar; | |
252b5132 | 1495 | |
5ba47421 AM |
1496 | /* The section name has a '$'. Sort it with the other '$' |
1497 | sections. */ | |
252b5132 | 1498 | |
5ba47421 AM |
1499 | found_dollar = false; |
1500 | for ( ; *pl != NULL; pl = &(*pl)->next) | |
1501 | { | |
1502 | lang_input_section_type *ls; | |
1503 | const char *lname; | |
252b5132 | 1504 | |
5ba47421 AM |
1505 | if ((*pl)->header.type != lang_input_section_enum) |
1506 | continue; | |
252b5132 | 1507 | |
5ba47421 | 1508 | ls = &(*pl)->input_section; |
252b5132 | 1509 | |
5ba47421 AM |
1510 | lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section); |
1511 | if (strchr (lname, '$') == NULL) | |
1512 | { | |
1513 | if (found_dollar) | |
1514 | break; | |
1515 | } | |
1516 | else | |
1517 | { | |
1518 | found_dollar = true; | |
1519 | if (strcmp (secname, lname) < 0) | |
1520 | break; | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | if (add_child.head != NULL) | |
1526 | { | |
1527 | add_child.head->next = *pl; | |
1528 | *pl = add_child.head; | |
1529 | } | |
1530 | } | |
252b5132 RH |
1531 | |
1532 | free (hold_section_name); | |
1533 | ||
1534 | return true; | |
1535 | } | |
1536 | ||
690a460e NC |
1537 | static boolean |
1538 | gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) | |
2ef53d66 | 1539 | const char * arch ATTRIBUTE_UNUSED; |
690a460e NC |
1540 | search_dirs_type * search; |
1541 | lang_input_statement_type * entry; | |
1542 | { | |
1543 | const char * filename; | |
1544 | char * string; | |
1545 | ||
1546 | if (! entry->is_archive) | |
1547 | return false; | |
1548 | ||
1549 | filename = entry->filename; | |
1550 | ||
1551 | string = (char *) xmalloc (strlen (search->name) | |
1552 | + strlen (filename) | |
602e90d3 | 1553 | + sizeof "/lib.a.dll" |
b9a69188 NC |
1554 | #ifdef DLL_SUPPORT |
1555 | + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0) | |
1556 | #endif | |
690a460e NC |
1557 | + 1); |
1558 | ||
602e90d3 DD |
1559 | /* Try "libfoo.dll.a" first (preferred explicit import library for dll's */ |
1560 | sprintf (string, "%s/lib%s.dll.a", search->name, filename); | |
690a460e NC |
1561 | |
1562 | if (! ldfile_try_open_bfd (string, entry)) | |
1563 | { | |
602e90d3 DD |
1564 | /* Try "foo.dll.a" next (alternate explicit import library for dll's */ |
1565 | sprintf (string, "%s/%s.dll.a", search->name, filename); | |
690a460e NC |
1566 | if (! ldfile_try_open_bfd (string, entry)) |
1567 | { | |
0ad8cf4c DD |
1568 | /* |
1569 | Try libfoo.a next. Normally, this would be interpreted as a static | |
1570 | library, but it *could* be an import library. For backwards compatibility, | |
1571 | libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search, | |
1572 | or sometimes errors occur when building legacy packages. | |
1573 | ||
1574 | Putting libfoo.a here means that in a failure case (i.e. the library | |
1575 | -lfoo is not found) we will search for libfoo.a twice before | |
1576 | giving up -- once here, and once when searching for a "static" lib. | |
1577 | for a "static" lib. | |
1578 | */ | |
1579 | /* Try "libfoo.a" (import lib, or static lib, but must | |
1580 | take precedence over dll's) */ | |
1581 | sprintf (string, "%s/lib%s.a", search->name, filename); | |
602e90d3 | 1582 | if (! ldfile_try_open_bfd (string, entry)) |
627427de | 1583 | { |
b9a69188 NC |
1584 | #ifdef DLL_SUPPORT |
1585 | if (pe_dll_search_prefix) | |
627427de DD |
1586 | { |
1587 | /* Try "<prefix>foo.dll" (preferred dll name, if specified) */ | |
1588 | sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename); | |
0ad8cf4c DD |
1589 | if (! ldfile_try_open_bfd (string, entry)) |
1590 | { | |
627427de DD |
1591 | /* Try "libfoo.dll" (default preferred dll name) */ |
1592 | sprintf (string, "%s/lib%s.dll", search->name, filename); | |
1593 | if (! ldfile_try_open_bfd (string, entry)) | |
1594 | { | |
1595 | /* Finally, try "foo.dll" (alternate dll name) */ | |
1596 | sprintf (string, "%s/%s.dll", search->name, filename); | |
1597 | if (! ldfile_try_open_bfd (string, entry)) | |
1598 | { | |
1599 | free (string); | |
1600 | return false; | |
1601 | } | |
1602 | } | |
0ad8cf4c | 1603 | } |
602e90d3 | 1604 | } |
627427de | 1605 | else /* pe_dll_search_prefix not specified */ |
b9a69188 | 1606 | #endif |
627427de DD |
1607 | { |
1608 | /* Try "libfoo.dll" (preferred dll name) */ | |
1609 | sprintf (string, "%s/lib%s.dll", search->name, filename); | |
1610 | if (! ldfile_try_open_bfd (string, entry)) | |
1611 | { | |
1612 | /* Finally, try "foo.dll" (alternate dll name) */ | |
1613 | sprintf (string, "%s/%s.dll", search->name, filename); | |
1614 | if (! ldfile_try_open_bfd (string, entry)) | |
1615 | { | |
1616 | free (string); | |
1617 | return false; | |
1618 | } | |
1619 | } | |
b9a69188 | 1620 | } |
602e90d3 | 1621 | } |
690a460e NC |
1622 | } |
1623 | } | |
602e90d3 | 1624 | |
690a460e NC |
1625 | entry->filename = string; |
1626 | ||
1627 | return true; | |
1628 | } | |
1629 | ||
344a211f NC |
1630 | static int |
1631 | gld_${EMULATION_NAME}_find_potential_libraries (name, entry) | |
1632 | char * name; | |
1633 | lang_input_statement_type * entry; | |
1634 | { | |
1635 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
1636 | } | |
252b5132 RH |
1637 | \f |
1638 | static char * | |
1639 | gld_${EMULATION_NAME}_get_script(isfile) | |
1640 | int *isfile; | |
1641 | EOF | |
1642 | # Scripts compiled in. | |
1643 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1644 | sc="-f stringify.sed" |
252b5132 RH |
1645 | |
1646 | cat >>e${EMULATION_NAME}.c <<EOF | |
1647 | { | |
1648 | *isfile = 0; | |
1649 | ||
1650 | if (link_info.relocateable == true && config.build_constructors == true) | |
1651 | return | |
1652 | EOF | |
1653 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
1654 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1655 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1656 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1657 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1658 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1659 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1660 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1661 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1662 | echo '; }' >> e${EMULATION_NAME}.c | |
1663 | ||
1664 | cat >>e${EMULATION_NAME}.c <<EOF | |
1665 | ||
1666 | ||
1667 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
1668 | { | |
1669 | gld_${EMULATION_NAME}_before_parse, | |
1670 | syslib_default, | |
1671 | hll_default, | |
1672 | gld_${EMULATION_NAME}_after_parse, | |
1673 | gld_${EMULATION_NAME}_after_open, | |
1674 | after_allocation_default, | |
1675 | set_output_arch_default, | |
1676 | ldemul_default_target, | |
1677 | gld_${EMULATION_NAME}_before_allocation, | |
1678 | gld_${EMULATION_NAME}_get_script, | |
1679 | "${EMULATION_NAME}", | |
1680 | "${OUTPUT_FORMAT}", | |
1681 | gld_${EMULATION_NAME}_finish, /* finish */ | |
1682 | NULL, /* create output section statements */ | |
690a460e | 1683 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
1684 | gld_${EMULATION_NAME}_place_orphan, |
1685 | gld_${EMULATION_NAME}_set_symbols, | |
1686 | gld_${EMULATION_NAME}_parse_args, | |
1687 | gld_${EMULATION_NAME}_unrecognized_file, | |
1688 | gld_${EMULATION_NAME}_list_options, | |
344a211f NC |
1689 | gld_${EMULATION_NAME}_recognized_file, |
1690 | gld_${EMULATION_NAME}_find_potential_libraries | |
252b5132 RH |
1691 | }; |
1692 | EOF |