Commit | Line | Data |
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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
c6c37250 DD |
3 | (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) |
4 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 5 | /* This file is part of GLD, the Gnu Linker. |
2a275620 | 6 | Copyright 1995, 96, 97, 98, 1999 Free Software Foundation, Inc. |
252b5132 RH |
7 | |
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | /* For WINDOWS_NT */ | |
23 | /* The original file generated returned different default scripts depending | |
24 | on whether certain switches were set, but these switches pertain to the | |
25 | Linux system and that particular version of coff. In the NT case, we | |
26 | only determine if the subsystem is console or windows in order to select | |
27 | the correct entry point by default. */ | |
28 | ||
29 | #include "bfd.h" | |
30 | #include "sysdep.h" | |
31 | #include "bfdlink.h" | |
32 | #include "getopt.h" | |
33 | #include "libiberty.h" | |
34 | #include "ld.h" | |
35 | #include "ldmain.h" | |
36 | #include "ldgram.h" | |
37 | #include "ldexp.h" | |
38 | #include "ldlang.h" | |
39 | #include "ldemul.h" | |
40 | #include "ldlex.h" | |
41 | #include "ldmisc.h" | |
42 | #include "ldctor.h" | |
43 | #include "ldfile.h" | |
44 | #include "coff/internal.h" | |
45 | #include "../bfd/libcoff.h" | |
c6c37250 | 46 | #include "../bfd/libbfd.h" |
252b5132 RH |
47 | #include "deffile.h" |
48 | ||
49 | #define TARGET_IS_${EMULATION_NAME} | |
50 | ||
c6c37250 DD |
51 | #if defined(TARGET_IS_i386pe) |
52 | #define DLL_SUPPORT | |
53 | #endif | |
54 | ||
55 | #define PE_DEF_SUBSYSTEM 3 | |
56 | ||
434d1125 NC |
57 | #ifdef TARGET_IS_arm_epoc_pe |
58 | #define bfd_arm_pe_allocate_interworking_sections \ | |
59 | bfd_arm_epoc_pe_allocate_interworking_sections | |
60 | #define bfd_arm_pe_get_bfd_for_interworking \ | |
61 | bfd_arm_epoc_pe_get_bfd_for_interworking | |
62 | #define bfd_arm_pe_process_before_allocation \ | |
63 | bfd_arm_epoc_pe_process_before_allocation | |
64 | #endif | |
65 | ||
252b5132 RH |
66 | static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void)); |
67 | static void gld_${EMULATION_NAME}_after_open PARAMS ((void)); | |
68 | static void gld_${EMULATION_NAME}_before_parse PARAMS ((void)); | |
69 | static void gld_${EMULATION_NAME}_after_parse PARAMS ((void)); | |
70 | static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
71 | static boolean gld_${EMULATION_NAME}_place_orphan | |
72 | PARAMS ((lang_input_statement_type *, asection *)); | |
73 | static void gld${EMULATION_NAME}_place_section | |
74 | PARAMS ((lang_statement_union_type *)); | |
75 | static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *)); | |
76 | static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **)); | |
6f798e5c | 77 | static void gld_${EMULATION_NAME}_finish PARAMS ((void)); |
252b5132 RH |
78 | |
79 | static struct internal_extra_pe_aouthdr pe; | |
80 | static int dll; | |
81 | static int support_old_code = 0; | |
6f798e5c | 82 | static char * thumb_entry_symbol = NULL; |
252b5132 RH |
83 | extern def_file *pe_def_file; |
84 | static lang_assignment_statement_type *image_base_statement = 0; | |
85 | ||
86 | static char *pe_out_def_filename = 0; | |
87 | extern int pe_dll_export_everything; | |
88 | extern int pe_dll_kill_ats; | |
89 | extern int pe_dll_stdcall_aliases; | |
90 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */ | |
91 | static char *pe_implib_filename = 0; | |
92 | ||
93 | extern const char *output_filename; | |
94 | ||
95 | static void | |
96 | gld_${EMULATION_NAME}_before_parse() | |
97 | { | |
98 | output_filename = "a.exe"; | |
99 | ldfile_output_architecture = bfd_arch_${ARCH}; | |
c6c37250 | 100 | #ifdef DLL_SUPPORT |
252b5132 RH |
101 | config.has_shared = 1; |
102 | #endif | |
103 | } | |
104 | \f | |
105 | /* PE format extra command line options. */ | |
106 | ||
107 | /* Used for setting flags in the PE header. */ | |
108 | #define OPTION_BASE_FILE (300 + 1) | |
109 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
110 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
111 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
112 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
113 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
114 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
115 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
116 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
117 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
118 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
119 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) | |
120 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
121 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) | |
122 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
123 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
124 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
125 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
126 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1) | |
127 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) | |
128 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
129 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
130 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) | |
6f798e5c | 131 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
252b5132 RH |
132 | |
133 | static struct option longopts[] = | |
134 | { | |
135 | /* PE options */ | |
136 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
137 | {"dll", no_argument, NULL, OPTION_DLL}, | |
138 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
139 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
140 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
141 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
142 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
143 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
144 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
145 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
146 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
147 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
148 | {"stack", required_argument, NULL, OPTION_STACK}, | |
149 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
150 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
6f798e5c | 151 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, |
c6c37250 | 152 | #ifdef DLL_SUPPORT |
252b5132 RH |
153 | /* getopt allows abbreviations, so we do this to stop it from treating -o |
154 | as an abbreviation for this option */ | |
155 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
156 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
157 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
158 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
159 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, | |
160 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
161 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
162 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
163 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
164 | #endif | |
165 | {NULL, no_argument, NULL, 0} | |
166 | }; | |
167 | ||
168 | ||
169 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
170 | parameters which may be input from the command line */ | |
171 | ||
172 | typedef struct | |
173 | { | |
174 | void *ptr; | |
175 | int size; | |
176 | int value; | |
177 | char *symbol; | |
178 | int inited; | |
179 | } definfo; | |
180 | ||
181 | #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} | |
182 | ||
183 | static definfo init[] = | |
184 | { | |
185 | /* imagebase must be first */ | |
186 | #define IMAGEBASEOFF 0 | |
187 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), | |
188 | #define DLLOFF 1 | |
189 | {&dll, sizeof(dll), 0, "__dll__"}, | |
190 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), | |
191 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), | |
192 | D(MajorOperatingSystemVersion,"__major_os_version__", 4), | |
193 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0), | |
194 | D(MajorImageVersion,"__major_image_version__", 1), | |
195 | D(MinorImageVersion,"__minor_image_version__", 0), | |
196 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4), | |
197 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), | |
c6c37250 | 198 | D(Subsystem,"__subsystem__", PE_DEF_SUBSYSTEM), |
252b5132 RH |
199 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000), |
200 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), | |
201 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), | |
202 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), | |
203 | D(LoaderFlags,"__loader_flags__", 0x0), | |
204 | { NULL, 0, 0, NULL, 0 } | |
205 | }; | |
206 | ||
207 | static void | |
208 | gld_${EMULATION_NAME}_list_options (file) | |
209 | FILE * file; | |
210 | { | |
211 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
212 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
213 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
214 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
215 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
216 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
217 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
218 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
219 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
220 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
221 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
222 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
223 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
224 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
225 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
6f798e5c | 226 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
c6c37250 | 227 | #ifdef DLL_SUPPORT |
252b5132 RH |
228 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
229 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
230 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
231 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
232 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); | |
233 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
234 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
235 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
236 | #endif | |
237 | } | |
238 | ||
239 | static void | |
240 | set_pe_name (name, val) | |
241 | char *name; | |
242 | long val; | |
243 | { | |
244 | int i; | |
245 | /* Find the name and set it. */ | |
246 | for (i = 0; init[i].ptr; i++) | |
247 | { | |
248 | if (strcmp (name, init[i].symbol) == 0) | |
249 | { | |
250 | init[i].value = val; | |
251 | init[i].inited = 1; | |
252 | return; | |
253 | } | |
254 | } | |
255 | abort(); | |
256 | } | |
257 | ||
258 | ||
259 | static void | |
260 | set_pe_subsystem () | |
261 | { | |
262 | const char *sver; | |
263 | int len; | |
264 | int i; | |
265 | static const struct | |
266 | { | |
267 | const char *name; | |
268 | const int value; | |
269 | const char *entry; | |
270 | } | |
271 | v[] = | |
272 | { | |
273 | { "native", 1, "_NtProcessStartup" }, | |
274 | { "windows", 2, "_WinMainCRTStartup" }, | |
275 | { "console", 3, "_mainCRTStartup" }, | |
276 | #if 0 | |
277 | /* The Microsoft linker does not recognize this. */ | |
278 | { "os2", 5, "" }, | |
279 | #endif | |
280 | { "posix", 7, "___PosixProcessStartup"}, | |
281 | { 0, 0, 0 } | |
282 | }; | |
283 | ||
284 | sver = strchr (optarg, ':'); | |
285 | if (sver == NULL) | |
286 | len = strlen (optarg); | |
287 | else | |
288 | { | |
289 | char *end; | |
290 | ||
291 | len = sver - optarg; | |
292 | set_pe_name ("__major_subsystem_version__", | |
293 | strtoul (sver + 1, &end, 0)); | |
294 | if (*end == '.') | |
295 | set_pe_name ("__minor_subsystem_version__", | |
296 | strtoul (end + 1, &end, 0)); | |
297 | if (*end != '\0') | |
298 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
299 | } | |
300 | ||
301 | for (i = 0; v[i].name; i++) | |
302 | { | |
303 | if (strncmp (optarg, v[i].name, len) == 0 | |
304 | && v[i].name[len] == '\0') | |
305 | { | |
306 | set_pe_name ("__subsystem__", v[i].value); | |
307 | ||
308 | lang_add_entry (v[i].entry, 1); | |
309 | ||
310 | return; | |
311 | } | |
312 | } | |
313 | ||
314 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
315 | } | |
316 | ||
317 | ||
318 | ||
319 | static void | |
320 | set_pe_value (name) | |
321 | char *name; | |
322 | ||
323 | { | |
324 | char *end; | |
325 | ||
326 | set_pe_name (name, strtoul (optarg, &end, 0)); | |
327 | ||
328 | if (end == optarg) | |
329 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
330 | ||
331 | optarg = end; | |
332 | } | |
333 | ||
334 | static void | |
335 | set_pe_stack_heap (resname, comname) | |
336 | char *resname; | |
337 | char *comname; | |
338 | { | |
339 | set_pe_value (resname); | |
340 | ||
341 | if (*optarg == ',') | |
342 | { | |
343 | optarg++; | |
344 | set_pe_value (comname); | |
345 | } | |
346 | else if (*optarg) | |
347 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
348 | } | |
349 | ||
350 | ||
351 | ||
352 | static int | |
353 | gld_${EMULATION_NAME}_parse_args(argc, argv) | |
354 | int argc; | |
355 | char **argv; | |
356 | { | |
357 | int longind; | |
358 | int optc; | |
359 | int prevoptind = optind; | |
360 | int prevopterr = opterr; | |
361 | int wanterror; | |
362 | static int lastoptind = -1; | |
363 | ||
364 | if (lastoptind != optind) | |
365 | opterr = 0; | |
366 | wanterror = opterr; | |
367 | ||
368 | lastoptind = optind; | |
369 | ||
370 | optc = getopt_long_only (argc, argv, "-", longopts, &longind); | |
371 | opterr = prevopterr; | |
372 | ||
373 | switch (optc) | |
374 | { | |
375 | default: | |
376 | if (wanterror) | |
377 | xexit (1); | |
378 | optind = prevoptind; | |
379 | return 0; | |
380 | ||
381 | case OPTION_BASE_FILE: | |
382 | link_info.base_file = (PTR) fopen (optarg, FOPEN_WB); | |
383 | if (link_info.base_file == NULL) | |
384 | { | |
385 | /* xgettext:c-format */ | |
386 | fprintf (stderr, _("%s: Can't open base file %s\n"), | |
387 | program_name, optarg); | |
388 | xexit (1); | |
389 | } | |
390 | break; | |
391 | ||
392 | /* PE options */ | |
393 | case OPTION_HEAP: | |
394 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); | |
395 | break; | |
396 | case OPTION_STACK: | |
397 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); | |
398 | break; | |
399 | case OPTION_SUBSYSTEM: | |
400 | set_pe_subsystem (); | |
401 | break; | |
402 | case OPTION_MAJOR_OS_VERSION: | |
403 | set_pe_value ("__major_os_version__"); | |
404 | break; | |
405 | case OPTION_MINOR_OS_VERSION: | |
406 | set_pe_value ("__minor_os_version__"); | |
407 | break; | |
408 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
409 | set_pe_value ("__major_subsystem_version__"); | |
410 | break; | |
411 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
412 | set_pe_value ("__minor_subsystem_version__"); | |
413 | break; | |
414 | case OPTION_MAJOR_IMAGE_VERSION: | |
415 | set_pe_value ("__major_image_version__"); | |
416 | break; | |
417 | case OPTION_MINOR_IMAGE_VERSION: | |
418 | set_pe_value ("__minor_image_version__"); | |
419 | break; | |
420 | case OPTION_FILE_ALIGNMENT: | |
421 | set_pe_value ("__file_alignment__"); | |
422 | break; | |
423 | case OPTION_SECTION_ALIGNMENT: | |
424 | set_pe_value ("__section_alignment__"); | |
425 | break; | |
426 | case OPTION_DLL: | |
427 | set_pe_name ("__dll__", 1); | |
428 | break; | |
429 | case OPTION_IMAGE_BASE: | |
430 | set_pe_value ("__image_base__"); | |
431 | break; | |
432 | case OPTION_SUPPORT_OLD_CODE: | |
433 | support_old_code = 1; | |
434 | break; | |
6f798e5c NC |
435 | case OPTION_THUMB_ENTRY: |
436 | thumb_entry_symbol = optarg; | |
437 | break; | |
c6c37250 | 438 | #ifdef DLL_SUPPORT |
252b5132 RH |
439 | case OPTION_OUT_DEF: |
440 | pe_out_def_filename = xstrdup (optarg); | |
441 | break; | |
442 | case OPTION_EXPORT_ALL: | |
443 | pe_dll_export_everything = 1; | |
444 | break; | |
445 | case OPTION_EXCLUDE_SYMBOLS: | |
252b5132 | 446 | pe_dll_add_excludes (optarg); |
252b5132 RH |
447 | break; |
448 | case OPTION_KILL_ATS: | |
449 | pe_dll_kill_ats = 1; | |
450 | break; | |
451 | case OPTION_STDCALL_ALIASES: | |
452 | pe_dll_stdcall_aliases = 1; | |
453 | break; | |
454 | case OPTION_ENABLE_STDCALL_FIXUP: | |
455 | pe_enable_stdcall_fixup = 1; | |
456 | break; | |
457 | case OPTION_DISABLE_STDCALL_FIXUP: | |
458 | pe_enable_stdcall_fixup = 0; | |
459 | break; | |
460 | case OPTION_IMPLIB_FILENAME: | |
461 | pe_implib_filename = xstrdup (optarg); | |
462 | break; | |
c6c37250 | 463 | #endif |
252b5132 RH |
464 | } |
465 | return 1; | |
466 | } | |
467 | \f | |
468 | /* Assign values to the special symbols before the linker script is | |
469 | read. */ | |
470 | ||
471 | static void | |
472 | gld_${EMULATION_NAME}_set_symbols () | |
473 | { | |
474 | /* Run through and invent symbols for all the | |
475 | names and insert the defaults. */ | |
476 | int j; | |
477 | lang_statement_list_type *save; | |
478 | ||
479 | if (!init[IMAGEBASEOFF].inited) | |
480 | { | |
481 | if (link_info.relocateable) | |
482 | init[IMAGEBASEOFF].value = 0; | |
483 | else if (init[DLLOFF].value || link_info.shared) | |
484 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; | |
485 | else | |
486 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
487 | } | |
488 | ||
489 | /* Don't do any symbol assignments if this is a relocateable link. */ | |
490 | if (link_info.relocateable) | |
491 | return; | |
492 | ||
493 | /* Glue the assignments into the abs section */ | |
494 | save = stat_ptr; | |
495 | ||
496 | stat_ptr = &(abs_output_section->children); | |
497 | ||
498 | for (j = 0; init[j].ptr; j++) | |
499 | { | |
500 | long val = init[j].value; | |
501 | lang_assignment_statement_type *rv; | |
502 | rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val))); | |
503 | if (init[j].size == sizeof(short)) | |
504 | *(short *)init[j].ptr = val; | |
505 | else if (init[j].size == sizeof(int)) | |
506 | *(int *)init[j].ptr = val; | |
507 | else if (init[j].size == sizeof(long)) | |
508 | *(long *)init[j].ptr = val; | |
509 | /* This might be a long long or other special type. */ | |
510 | else if (init[j].size == sizeof(bfd_vma)) | |
511 | *(bfd_vma *)init[j].ptr = val; | |
512 | else abort(); | |
513 | if (j == IMAGEBASEOFF) | |
514 | image_base_statement = rv; | |
515 | } | |
516 | /* Restore the pointer. */ | |
517 | stat_ptr = save; | |
518 | ||
519 | if (pe.FileAlignment > | |
520 | pe.SectionAlignment) | |
521 | { | |
522 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
523 | } | |
524 | } | |
525 | ||
526 | /* This is called after the linker script and the command line options | |
527 | have been read. */ | |
528 | ||
529 | static void | |
530 | gld_${EMULATION_NAME}_after_parse () | |
531 | { | |
532 | /* The Windows libraries are designed for the linker to treat the | |
533 | entry point as an undefined symbol. Otherwise, the .obj that | |
534 | defines mainCRTStartup is brought in because it is the first | |
535 | encountered in libc.lib and it has other symbols in it which will | |
536 | be pulled in by the link process. To avoid this, we act as | |
537 | though the user specified -u with the entry point symbol. | |
538 | ||
539 | This function is called after the linker script and command line | |
540 | options have been read, so at this point we know the right entry | |
541 | point. This function is called before the input files are | |
542 | opened, so registering the symbol as undefined will make a | |
543 | difference. */ | |
544 | ||
2a275620 | 545 | if (! link_info.relocateable && entry_symbol != NULL) |
252b5132 RH |
546 | ldlang_add_undef (entry_symbol); |
547 | } | |
548 | ||
549 | static struct bfd_link_hash_entry *pe_undef_found_sym; | |
550 | ||
551 | static boolean | |
552 | pe_undef_cdecl_match (h, string) | |
553 | struct bfd_link_hash_entry *h; | |
554 | PTR string; | |
555 | { | |
556 | int sl = strlen (string); | |
557 | if (h->type == bfd_link_hash_defined | |
558 | && strncmp (h->root.string, string, sl) == 0 | |
559 | && h->root.string[sl] == '@') | |
560 | { | |
561 | pe_undef_found_sym = h; | |
562 | return false; | |
563 | } | |
564 | return true; | |
565 | } | |
566 | ||
567 | static void | |
568 | pe_fixup_stdcalls () | |
569 | { | |
570 | static int gave_warning_message = 0; | |
571 | struct bfd_link_hash_entry *undef, *sym; | |
572 | char *at; | |
573 | for (undef = link_info.hash->undefs; undef; undef=undef->next) | |
574 | if (undef->type == bfd_link_hash_undefined) | |
575 | { | |
576 | at = strchr (undef->root.string, '@'); | |
577 | if (at) | |
578 | { | |
579 | /* The symbol is a stdcall symbol, so let's look for a cdecl | |
580 | symbol with the same name and resolve to that */ | |
581 | char *cname = xstrdup (undef->root.string); | |
582 | at = strchr (cname, '@'); | |
583 | *at = 0; | |
584 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); | |
585 | if (sym && sym->type == bfd_link_hash_defined) | |
586 | { | |
587 | undef->type = bfd_link_hash_defined; | |
588 | undef->u.def.value = sym->u.def.value; | |
589 | undef->u.def.section = sym->u.def.section; | |
590 | if (pe_enable_stdcall_fixup == -1) | |
591 | { | |
592 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
593 | undef->root.string, cname); | |
594 | if (! gave_warning_message) | |
595 | { | |
596 | gave_warning_message = 1; | |
597 | einfo(_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
598 | einfo(_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
599 | } | |
600 | } | |
601 | } | |
602 | } | |
603 | else | |
604 | { | |
605 | /* The symbol is a cdecl symbol, so we look for stdcall | |
606 | symbols - which means scanning the whole symbol table */ | |
607 | pe_undef_found_sym = 0; | |
608 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
609 | (PTR) undef->root.string); | |
610 | sym = pe_undef_found_sym; | |
611 | if (sym) | |
612 | { | |
613 | undef->type = bfd_link_hash_defined; | |
614 | undef->u.def.value = sym->u.def.value; | |
615 | undef->u.def.section = sym->u.def.section; | |
616 | if (pe_enable_stdcall_fixup == -1) | |
617 | { | |
618 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
619 | undef->root.string, sym->root.string); | |
620 | if (! gave_warning_message) | |
621 | { | |
622 | gave_warning_message = 1; | |
623 | einfo(_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
624 | einfo(_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
625 | } | |
626 | } | |
627 | } | |
628 | } | |
629 | } | |
630 | } | |
631 | ||
632 | static void | |
633 | gld_${EMULATION_NAME}_after_open () | |
634 | { | |
635 | /* Pass the wacky PE command line options into the output bfd. | |
636 | FIXME: This should be done via a function, rather than by | |
637 | including an internal BFD header. */ | |
638 | ||
639 | if (!coff_data (output_bfd)->pe) | |
640 | einfo (_("%F%P: PE operations on non PE file.\n")); | |
641 | ||
642 | pe_data (output_bfd)->pe_opthdr = pe; | |
643 | pe_data (output_bfd)->dll = init[DLLOFF].value; | |
644 | ||
c6c37250 | 645 | #ifdef DLL_SUPPORT |
252b5132 RH |
646 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
647 | pe_fixup_stdcalls (); | |
648 | ||
649 | pe_process_import_defs(output_bfd, &link_info); | |
650 | if (link_info.shared) | |
651 | pe_dll_build_sections (output_bfd, &link_info); | |
652 | #endif | |
653 | ||
626e0105 | 654 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
252b5132 RH |
655 | { |
656 | /* Find a BFD that can hold the interworking stubs. */ | |
657 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
658 | { | |
46d23b7c | 659 | if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
660 | break; |
661 | } | |
662 | } | |
663 | #endif | |
c6c37250 DD |
664 | |
665 | { | |
666 | static int sequence = 0; | |
667 | int is_ms_arch; | |
668 | bfd *cur_arch = 0, *elt; | |
669 | lang_input_statement_type *is2; | |
670 | /* Careful - this is a shell script. Watch those dollar signs! */ | |
671 | /* Microsoft import libraries have every member named the same, | |
672 | and not in the right order for us to link them correctly. We | |
673 | must detect these and rename the members so that they'll link | |
674 | correctly. There are three types of objects: the head, the | |
675 | thunks, and the sentinel(s). The head is easy; it's the one | |
676 | with idata2. We assume that the sentinels won't have relocs, | |
677 | and the thunks will. It's easier than checking the symbol | |
678 | table for external references. */ | |
679 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
680 | { | |
681 | if (is->the_bfd->my_archive) | |
682 | { | |
683 | bfd *arch = is->the_bfd->my_archive; | |
684 | if (cur_arch != arch) | |
685 | { | |
686 | cur_arch = arch; | |
687 | is_ms_arch = 1; | |
688 | for (is2 = is; | |
689 | is2 && is2->the_bfd->my_archive == arch; | |
690 | is2 = (lang_input_statement_type *)is2->next) | |
691 | { | |
692 | if (strcmp (is->the_bfd->filename, is2->the_bfd->filename)) | |
693 | is_ms_arch = 0; | |
694 | } | |
695 | } | |
696 | ||
697 | if (is_ms_arch) | |
698 | { | |
699 | int idata2 = 0, i, reloc_count=0; | |
700 | asection *sec; | |
701 | char *new_name, seq; | |
702 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
703 | { | |
704 | if (strcmp (sec->name, ".idata\$2") == 0) | |
705 | idata2 = 1; | |
706 | reloc_count += sec->reloc_count; | |
707 | } | |
708 | ||
709 | if (idata2) /* .idata2 is the TOC */ | |
710 | seq = 'a'; | |
711 | else if (reloc_count > 0) /* thunks */ | |
712 | seq = 'b'; | |
713 | else /* sentinel */ | |
714 | seq = 'c'; | |
715 | ||
716 | new_name = bfd_alloc (is->the_bfd, | |
717 | strlen (is->the_bfd->filename)+2); | |
718 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); | |
719 | is->the_bfd->filename = new_name; | |
720 | ||
721 | new_name = bfd_alloc(is->the_bfd, strlen(is->filename)+2); | |
722 | sprintf (new_name, "%s.%c", is->filename, seq); | |
723 | is->filename = new_name; | |
724 | } | |
725 | } | |
726 | } | |
727 | } | |
252b5132 RH |
728 | } |
729 | \f | |
730 | static void | |
731 | gld_${EMULATION_NAME}_before_allocation() | |
732 | { | |
733 | #ifdef TARGET_IS_ppcpe | |
734 | /* Here we rummage through the found bfds to collect toc information */ | |
735 | { | |
736 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
737 | { | |
738 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
739 | { | |
740 | /* xgettext:c-format */ | |
741 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
742 | } | |
743 | } | |
744 | } | |
745 | ||
746 | /* We have seen it all. Allocate it, and carry on */ | |
747 | ppc_allocate_toc_section (&link_info); | |
748 | #endif /* TARGET_IS_ppcpe */ | |
749 | ||
626e0105 | 750 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
252b5132 RH |
751 | /* FIXME: we should be able to set the size of the interworking stub |
752 | section. | |
753 | ||
754 | Here we rummage through the found bfds to collect glue | |
755 | information. FIXME: should this be based on a command line | |
756 | option? krk@cygnus.com */ | |
757 | { | |
758 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
759 | { | |
46d23b7c | 760 | if (! bfd_arm_pe_process_before_allocation |
252b5132 RH |
761 | (is->the_bfd, & link_info, support_old_code)) |
762 | { | |
763 | /* xgettext:c-format */ | |
764 | einfo (_("Errors encountered processing file %s for interworking"), | |
765 | is->filename); | |
766 | } | |
767 | } | |
768 | } | |
769 | ||
770 | /* We have seen it all. Allocate it, and carry on */ | |
46d23b7c | 771 | bfd_arm_pe_allocate_interworking_sections (& link_info); |
252b5132 RH |
772 | #endif /* TARGET_IS_armpe */ |
773 | } | |
774 | \f | |
775 | ||
776 | /* This is called when an input file isn't recognized as a BFD. We | |
777 | check here for .DEF files and pull them in automatically. */ | |
778 | ||
779 | static int | |
780 | saw_option(char *option) | |
781 | { | |
782 | int i; | |
783 | for (i=0; init[i].ptr; i++) | |
784 | if (strcmp (init[i].symbol, option) == 0) | |
785 | return init[i].inited; | |
786 | return 0; | |
787 | } | |
788 | ||
789 | static boolean | |
790 | gld_${EMULATION_NAME}_unrecognized_file(entry) | |
791 | lang_input_statement_type *entry; | |
792 | { | |
c6c37250 | 793 | #ifdef DLL_SUPPORT |
252b5132 RH |
794 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
795 | ||
796 | if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0) | |
797 | { | |
798 | if (pe_def_file == 0) | |
799 | pe_def_file = def_file_empty (); | |
800 | def_file_parse (entry->filename, pe_def_file); | |
801 | if (pe_def_file) | |
802 | { | |
803 | int i, buflen=0, len; | |
804 | char *buf; | |
805 | for (i=0; i<pe_def_file->num_exports; i++) | |
806 | { | |
807 | len = strlen(pe_def_file->exports[i].internal_name); | |
808 | if (buflen < len+2) | |
809 | buflen = len+2; | |
810 | } | |
811 | buf = (char *) xmalloc (buflen); | |
812 | for (i=0; i<pe_def_file->num_exports; i++) | |
813 | { | |
814 | struct bfd_link_hash_entry *h; | |
815 | sprintf(buf, "_%s", pe_def_file->exports[i].internal_name); | |
816 | ||
817 | h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true); | |
818 | if (h == (struct bfd_link_hash_entry *) NULL) | |
819 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
820 | if (h->type == bfd_link_hash_new) | |
821 | { | |
822 | h->type = bfd_link_hash_undefined; | |
823 | h->u.undef.abfd = NULL; | |
824 | bfd_link_add_undef (link_info.hash, h); | |
825 | } | |
826 | } | |
827 | free (buf); | |
828 | ||
829 | /* def_file_print (stdout, pe_def_file); */ | |
830 | if (pe_def_file->is_dll == 1) | |
831 | link_info.shared = 1; | |
832 | ||
833 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
834 | { | |
835 | pe.ImageBase = | |
836 | pe_data (output_bfd)->pe_opthdr.ImageBase = | |
837 | init[IMAGEBASEOFF].value = pe_def_file->base_address; | |
838 | init[IMAGEBASEOFF].inited = 1; | |
839 | if (image_base_statement) | |
840 | image_base_statement->exp = | |
841 | exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase)); | |
842 | } | |
843 | ||
844 | #if 0 | |
845 | /* Not sure if these *should* be set */ | |
846 | if (pe_def_file->version_major != -1) | |
847 | { | |
848 | pe.MajorImageVersion = pe_def_file->version_major; | |
849 | pe.MinorImageVersion = pe_def_file->version_minor; | |
850 | } | |
851 | #endif | |
852 | if (pe_def_file->stack_reserve != -1 | |
853 | && ! saw_option ("__size_of_stack_reserve__")) | |
854 | { | |
855 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
856 | if (pe_def_file->stack_commit != -1) | |
857 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
858 | } | |
859 | if (pe_def_file->heap_reserve != -1 | |
860 | && ! saw_option ("__size_of_heap_reserve__")) | |
861 | { | |
862 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
863 | if (pe_def_file->heap_commit != -1) | |
864 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
865 | } | |
866 | return true; | |
867 | } | |
868 | } | |
869 | #endif | |
870 | return false; | |
871 | ||
872 | } | |
873 | ||
874 | static boolean | |
875 | gld_${EMULATION_NAME}_recognized_file(entry) | |
876 | lang_input_statement_type *entry; | |
877 | { | |
c6c37250 | 878 | #ifdef DLL_SUPPORT |
252b5132 | 879 | #ifdef TARGET_IS_i386pe |
c6c37250 DD |
880 | pe_dll_id_target ("pei-i386"); |
881 | #endif | |
252b5132 RH |
882 | if (bfd_get_format (entry->the_bfd) == bfd_object) |
883 | { | |
884 | const char *ext = entry->filename + strlen (entry->filename) - 4; | |
885 | if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0) | |
886 | return pe_implied_import_dll (entry->filename); | |
887 | } | |
888 | #endif | |
889 | return false; | |
890 | } | |
891 | ||
892 | static void | |
893 | gld_${EMULATION_NAME}_finish () | |
894 | { | |
6f798e5c NC |
895 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) |
896 | struct bfd_link_hash_entry * h; | |
897 | ||
898 | if (thumb_entry_symbol != NULL) | |
899 | { | |
900 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true); | |
901 | ||
902 | if (h != (struct bfd_link_hash_entry *) NULL | |
903 | && (h->type == bfd_link_hash_defined | |
904 | || h->type == bfd_link_hash_defweak) | |
905 | && h->u.def.section->output_section != NULL) | |
906 | { | |
907 | static char buffer[32]; | |
908 | bfd_vma val; | |
909 | ||
910 | /* Special procesing is required for a Thumb entry symbol. The | |
911 | bottom bit of its address must be set. */ | |
912 | val = (h->u.def.value | |
913 | + bfd_get_section_vma (output_bfd, | |
914 | h->u.def.section->output_section) | |
915 | + h->u.def.section->output_offset); | |
916 | ||
917 | val |= 1; | |
918 | ||
919 | /* Now convert this value into a string and store it in entry_symbol | |
920 | where the lang_finish() function will pick it up. */ | |
921 | buffer[0] = '0'; | |
922 | buffer[1] = 'x'; | |
923 | ||
924 | sprintf_vma (buffer + 2, val); | |
925 | ||
926 | if (entry_symbol != NULL && entry_from_cmdline) | |
927 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), | |
928 | thumb_entry_symbol, entry_symbol); | |
929 | entry_symbol = buffer; | |
930 | } | |
931 | else | |
932 | einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol); | |
933 | } | |
934 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */ | |
935 | ||
c6c37250 | 936 | #ifdef DLL_SUPPORT |
252b5132 RH |
937 | if (link_info.shared) |
938 | { | |
939 | pe_dll_fill_sections (output_bfd, &link_info); | |
940 | if (pe_implib_filename) | |
941 | pe_dll_generate_implib (pe_def_file, pe_implib_filename); | |
942 | } | |
943 | if (pe_out_def_filename) | |
944 | pe_dll_generate_def_file (pe_out_def_filename); | |
945 | #endif | |
946 | } | |
947 | ||
948 | \f | |
949 | /* Place an orphan section. | |
950 | ||
951 | We use this to put sections in a reasonable place in the file, and | |
952 | to ensure that they are aligned as required. | |
953 | ||
954 | We handle grouped sections here as well. A section named .foo$nn | |
955 | goes into the output section .foo. All grouped sections are sorted | |
956 | by name. | |
957 | ||
958 | Grouped sections for the default sections are handled by the | |
959 | default linker script using wildcards, and are sorted by | |
960 | sort_sections. */ | |
961 | ||
962 | static asection *hold_section; | |
963 | static char *hold_section_name; | |
964 | static lang_output_section_statement_type *hold_use; | |
965 | static lang_output_section_statement_type *hold_text; | |
966 | static lang_output_section_statement_type *hold_rdata; | |
967 | static lang_output_section_statement_type *hold_data; | |
968 | static lang_output_section_statement_type *hold_bss; | |
969 | ||
970 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
971 | sections in the right segment. */ | |
972 | ||
973 | /*ARGSUSED*/ | |
974 | static boolean | |
975 | gld_${EMULATION_NAME}_place_orphan (file, s) | |
976 | lang_input_statement_type *file; | |
977 | asection *s; | |
978 | { | |
979 | const char *secname; | |
980 | char *dollar; | |
981 | ||
982 | if ((s->flags & SEC_ALLOC) == 0) | |
983 | return false; | |
984 | ||
985 | secname = bfd_get_section_name (s->owner, s); | |
986 | ||
987 | /* Look through the script to see where to place this section. */ | |
988 | ||
989 | hold_section = s; | |
990 | ||
991 | hold_section_name = xstrdup (secname); | |
992 | dollar = strchr (hold_section_name, '$'); | |
993 | if (dollar != NULL) | |
994 | *dollar = '\0'; | |
995 | ||
996 | hold_use = NULL; | |
997 | lang_for_each_statement (gld${EMULATION_NAME}_place_section); | |
998 | ||
999 | if (hold_use == NULL) | |
1000 | { | |
1001 | lang_output_section_statement_type *place; | |
1002 | char *outsecname; | |
1003 | asection *snew, **pps; | |
1004 | lang_statement_list_type *old; | |
1005 | lang_statement_list_type add; | |
1006 | etree_type *address; | |
1007 | ||
1008 | /* Try to put the new output section in a reasonable place based | |
1009 | on the section name and section flags. */ | |
1010 | place = NULL; | |
1011 | if ((s->flags & SEC_HAS_CONTENTS) == 0 | |
1012 | && hold_bss != NULL) | |
1013 | place = hold_bss; | |
1014 | else if ((s->flags & SEC_READONLY) == 0 | |
1015 | && hold_data != NULL) | |
1016 | place = hold_data; | |
1017 | else if ((s->flags & SEC_CODE) == 0 | |
1018 | && (s->flags & SEC_READONLY) != 0 | |
1019 | && hold_rdata != NULL) | |
1020 | place = hold_rdata; | |
1021 | else if ((s->flags & SEC_READONLY) != 0 | |
1022 | && hold_text != NULL) | |
1023 | place = hold_text; | |
1024 | ||
1025 | /* Choose a unique name for the section. This will be needed if | |
1026 | the same section name appears in the input file with | |
1027 | different loadable or allocateable characteristics. */ | |
1028 | outsecname = xstrdup (hold_section_name); | |
1029 | if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) | |
1030 | { | |
1031 | unsigned int len; | |
1032 | char *newname; | |
1033 | unsigned int i; | |
1034 | ||
1035 | len = strlen (outsecname); | |
1036 | newname = xmalloc (len + 5); | |
1037 | strcpy (newname, outsecname); | |
1038 | i = 0; | |
1039 | do | |
1040 | { | |
1041 | sprintf (newname + len, "%d", i); | |
1042 | ++i; | |
1043 | } | |
1044 | while (bfd_get_section_by_name (output_bfd, newname) != NULL); | |
1045 | ||
1046 | free (outsecname); | |
1047 | outsecname = newname; | |
1048 | } | |
1049 | ||
1050 | /* We don't want to free OUTSECNAME, as it may get attached to | |
1051 | the output section statement. */ | |
1052 | ||
1053 | /* Create the section in the output file, and put it in the | |
1054 | right place. This shuffling is to make the output file look | |
1055 | neater. */ | |
1056 | snew = bfd_make_section (output_bfd, outsecname); | |
1057 | if (snew == NULL) | |
1058 | einfo ("%P%F: output format %s cannot represent section called %s\n", | |
1059 | output_bfd->xvec->name, outsecname); | |
1060 | if (place != NULL && place->bfd_section != NULL) | |
1061 | { | |
1062 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
1063 | ; | |
1064 | *pps = snew->next; | |
1065 | snew->next = place->bfd_section->next; | |
1066 | place->bfd_section->next = snew; | |
1067 | } | |
1068 | ||
1069 | /* Start building a list of statements for this section. */ | |
1070 | old = stat_ptr; | |
1071 | stat_ptr = &add; | |
1072 | lang_list_init (stat_ptr); | |
1073 | ||
1074 | if (link_info.relocateable) | |
1075 | address = NULL; | |
1076 | else | |
1077 | { | |
1078 | /* All sections in an executable must be aligned to a page | |
1079 | boundary. */ | |
1080 | address = exp_unop (ALIGN_K, | |
1081 | exp_nameop (NAME, "__section_alignment__")); | |
1082 | } | |
1083 | ||
1084 | lang_enter_output_section_statement (outsecname, address, 0, | |
1085 | (bfd_vma) 0, | |
1086 | (etree_type *) NULL, | |
1087 | (etree_type *) NULL, | |
1088 | (etree_type *) NULL); | |
1089 | ||
1090 | hold_use = lang_output_section_statement_lookup (outsecname); | |
1091 | ||
1092 | lang_leave_output_section_statement | |
1093 | ((bfd_vma) 0, "*default*", | |
1094 | (struct lang_output_section_phdr_list *) NULL); | |
1095 | ||
1096 | /* Now stick the new statement list right after PLACE. */ | |
1097 | if (place != NULL) | |
1098 | { | |
1099 | *add.tail = place->header.next; | |
1100 | place->header.next = add.head; | |
1101 | } | |
1102 | ||
1103 | stat_ptr = old; | |
1104 | } | |
1105 | ||
1106 | if (dollar == NULL) | |
1107 | wild_doit (&hold_use->children, s, hold_use, file); | |
1108 | else | |
1109 | { | |
1110 | lang_statement_union_type **pl; | |
1111 | boolean found_dollar; | |
1112 | lang_statement_list_type list; | |
1113 | ||
1114 | /* The section name has a '$'. Sort it with the other '$' | |
1115 | sections. */ | |
1116 | ||
1117 | found_dollar = false; | |
1118 | for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next) | |
1119 | { | |
1120 | lang_input_section_type *ls; | |
1121 | const char *lname; | |
1122 | ||
1123 | if ((*pl)->header.type != lang_input_section_enum) | |
1124 | continue; | |
1125 | ||
1126 | ls = &(*pl)->input_section; | |
1127 | ||
1128 | lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section); | |
1129 | if (strchr (lname, '$') == NULL) | |
1130 | { | |
1131 | if (found_dollar) | |
1132 | break; | |
1133 | } | |
1134 | else | |
1135 | { | |
1136 | found_dollar = true; | |
1137 | if (strcmp (secname, lname) < 0) | |
1138 | break; | |
1139 | } | |
1140 | } | |
1141 | ||
1142 | lang_list_init (&list); | |
1143 | wild_doit (&list, s, hold_use, file); | |
1144 | if (list.head != NULL) | |
1145 | { | |
1146 | ASSERT (list.head->next == NULL); | |
1147 | list.head->next = *pl; | |
1148 | *pl = list.head; | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | free (hold_section_name); | |
1153 | ||
1154 | return true; | |
1155 | } | |
1156 | ||
1157 | static void | |
1158 | gld${EMULATION_NAME}_place_section (s) | |
1159 | lang_statement_union_type *s; | |
1160 | { | |
1161 | lang_output_section_statement_type *os; | |
1162 | ||
1163 | if (s->header.type != lang_output_section_statement_enum) | |
1164 | return; | |
1165 | ||
1166 | os = &s->output_section_statement; | |
1167 | ||
1168 | if (strcmp (os->name, hold_section_name) == 0 | |
1169 | && os->bfd_section != NULL | |
1170 | && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC)) | |
1171 | == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC)))) | |
1172 | hold_use = os; | |
1173 | ||
1174 | if (strcmp (os->name, ".text") == 0) | |
1175 | hold_text = os; | |
1176 | else if (strcmp (os->name, ".rdata") == 0) | |
1177 | hold_rdata = os; | |
1178 | else if (strcmp (os->name, ".data") == 0) | |
1179 | hold_data = os; | |
1180 | else if (strcmp (os->name, ".bss") == 0) | |
1181 | hold_bss = os; | |
1182 | } | |
1183 | \f | |
1184 | static char * | |
1185 | gld_${EMULATION_NAME}_get_script(isfile) | |
1186 | int *isfile; | |
1187 | EOF | |
1188 | # Scripts compiled in. | |
1189 | # sed commands to quote an ld script as a C string. | |
1190 | sc="-f ${srcdir}/emultempl/stringify.sed" | |
1191 | ||
1192 | cat >>e${EMULATION_NAME}.c <<EOF | |
1193 | { | |
1194 | *isfile = 0; | |
1195 | ||
1196 | if (link_info.relocateable == true && config.build_constructors == true) | |
1197 | return | |
1198 | EOF | |
1199 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
1200 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1201 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1202 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1203 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1204 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1205 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1206 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1207 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1208 | echo '; }' >> e${EMULATION_NAME}.c | |
1209 | ||
1210 | cat >>e${EMULATION_NAME}.c <<EOF | |
1211 | ||
1212 | ||
1213 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
1214 | { | |
1215 | gld_${EMULATION_NAME}_before_parse, | |
1216 | syslib_default, | |
1217 | hll_default, | |
1218 | gld_${EMULATION_NAME}_after_parse, | |
1219 | gld_${EMULATION_NAME}_after_open, | |
1220 | after_allocation_default, | |
1221 | set_output_arch_default, | |
1222 | ldemul_default_target, | |
1223 | gld_${EMULATION_NAME}_before_allocation, | |
1224 | gld_${EMULATION_NAME}_get_script, | |
1225 | "${EMULATION_NAME}", | |
1226 | "${OUTPUT_FORMAT}", | |
1227 | gld_${EMULATION_NAME}_finish, /* finish */ | |
1228 | NULL, /* create output section statements */ | |
1229 | NULL, /* open dynamic archive */ | |
1230 | gld_${EMULATION_NAME}_place_orphan, | |
1231 | gld_${EMULATION_NAME}_set_symbols, | |
1232 | gld_${EMULATION_NAME}_parse_args, | |
1233 | gld_${EMULATION_NAME}_unrecognized_file, | |
1234 | gld_${EMULATION_NAME}_list_options, | |
1235 | gld_${EMULATION_NAME}_recognized_file | |
1236 | }; | |
1237 | EOF |