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