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2f537933 GN |
1 | /* dllwrap.c -- wrapper for DLLTOOL and GCC to generate PE style DLLs |
2 | Copyright (C) 1998 Free Software Foundation, Inc. | |
3 | Contributed by Mumit Khan (khan@xraylith.wisc.edu). | |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | /* AIX requires this to be the first thing in the file. */ | |
23 | #ifndef __GNUC__ | |
24 | # ifdef _AIX | |
25 | #pragma alloca | |
26 | #endif | |
27 | #endif | |
28 | ||
29 | ||
30 | #ifdef HAVE_CONFIG_H | |
31 | #include "config.h" | |
32 | #endif | |
33 | ||
34 | #include <stdio.h> | |
35 | #include <errno.h> | |
36 | #include <string.h> | |
37 | #ifdef HAVE_STDLIB_H | |
38 | #include <stdlib.h> | |
39 | #endif | |
40 | #ifdef HAVE_UNISTD_H | |
41 | #include <unistd.h> | |
42 | #endif | |
43 | ||
44 | #include "getopt.h" | |
45 | #include "libiberty.h" | |
46 | #include "dyn-string.h" | |
47 | ||
48 | #include <ctype.h> | |
49 | #include <time.h> | |
50 | ||
51 | #ifdef HAVE_SYS_WAIT_H | |
52 | #include <sys/wait.h> | |
53 | #else /* ! HAVE_SYS_WAIT_H */ | |
54 | #if ! defined (_WIN32) || defined (__CYGWIN32__) | |
55 | #ifndef WIFEXITED | |
56 | #define WIFEXITED(w) (((w)&0377) == 0) | |
57 | #endif | |
58 | #ifndef WIFSIGNALED | |
59 | #define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0) | |
60 | #endif | |
61 | #ifndef WTERMSIG | |
62 | #define WTERMSIG(w) ((w) & 0177) | |
63 | #endif | |
64 | #ifndef WEXITSTATUS | |
65 | #define WEXITSTATUS(w) (((w) >> 8) & 0377) | |
66 | #endif | |
67 | #else /* defined (_WIN32) && ! defined (__CYGWIN32__) */ | |
68 | #ifndef WIFEXITED | |
69 | #define WIFEXITED(w) (((w) & 0xff) == 0) | |
70 | #endif | |
71 | #ifndef WIFSIGNALED | |
72 | #define WIFSIGNALED(w) (((w) & 0xff) != 0 && ((w) & 0xff) != 0x7f) | |
73 | #endif | |
74 | #ifndef WTERMSIG | |
75 | #define WTERMSIG(w) ((w) & 0x7f) | |
76 | #endif | |
77 | #ifndef WEXITSTATUS | |
78 | #define WEXITSTATUS(w) (((w) & 0xff00) >> 8) | |
79 | #endif | |
80 | #endif /* defined (_WIN32) && ! defined (__CYGWIN32__) */ | |
81 | #endif /* ! HAVE_SYS_WAIT_H */ | |
82 | ||
83 | static char *program_version = "0.2.4"; | |
84 | static char *driver_name = "gcc"; | |
85 | static char *cygwin32_driver_flags = | |
86 | "-Wl,--dll -nostartfiles"; | |
87 | static char *mingw32_driver_flags = "-mdll"; | |
88 | static char *generic_driver_flags = "-Wl,--dll"; | |
89 | ||
90 | static char *entry_point; | |
91 | ||
92 | static char *dlltool_name = "dlltool"; | |
93 | ||
94 | static char *target = TARGET; | |
95 | ||
96 | typedef enum { | |
97 | UNKNOWN_TARGET, | |
98 | CYGWIN32_TARGET, | |
99 | MINGW32_TARGET | |
100 | } | |
101 | target_type; | |
102 | ||
103 | static target_type which_target = UNKNOWN_TARGET; | |
104 | ||
105 | static int dontdeltemps = 0; | |
106 | static int dry_run = 0; | |
107 | ||
108 | static char *program_name; | |
109 | ||
110 | static int verbose = 0; | |
111 | ||
112 | static char *dll_file_name; | |
113 | static char *dll_name; | |
114 | static char *base_file_name; | |
115 | static char *exp_file_name; | |
116 | static char *def_file_name; | |
117 | static int delete_base_file = 1; | |
118 | static int delete_exp_file = 1; | |
119 | static int delete_def_file = 1; | |
120 | ||
121 | static int run PARAMS ((const char *, char *)); | |
122 | static void usage PARAMS ((FILE *, int)); | |
123 | static void delete_temp_files PARAMS ((void)); | |
124 | static void cleanup_and_exit PARAMS ((int status)); | |
125 | ||
126 | /**********************************************************************/ | |
127 | ||
128 | static void | |
129 | delete_temp_files () | |
130 | { | |
131 | if (delete_base_file && base_file_name) | |
132 | { | |
133 | if (verbose) | |
134 | fprintf (stderr, "%s temporary base file %s\n", | |
135 | dontdeltemps ? "Keeping" : "Deleting", | |
136 | base_file_name); | |
137 | if (! dontdeltemps) | |
138 | { | |
139 | unlink (base_file_name); | |
140 | free (base_file_name); | |
141 | } | |
142 | } | |
143 | ||
144 | if (delete_exp_file && exp_file_name) | |
145 | { | |
146 | if (verbose) | |
147 | fprintf (stderr, "%s temporary exp file %s\n", | |
148 | dontdeltemps ? "Keeping" : "Deleting", | |
149 | exp_file_name); | |
150 | if (! dontdeltemps) | |
151 | { | |
152 | unlink (exp_file_name); | |
153 | free (exp_file_name); | |
154 | } | |
155 | } | |
156 | if (delete_def_file && def_file_name) | |
157 | { | |
158 | if (verbose) | |
159 | fprintf (stderr, "%s temporary def file %s\n", | |
160 | dontdeltemps ? "Keeping" : "Deleting", | |
161 | def_file_name); | |
162 | if (! dontdeltemps) | |
163 | { | |
164 | unlink (def_file_name); | |
165 | free (def_file_name); | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | static void | |
171 | cleanup_and_exit (int status) | |
172 | { | |
173 | delete_temp_files (); | |
174 | exit (status); | |
175 | } | |
176 | ||
177 | static int | |
178 | run (what, args) | |
179 | const char *what; | |
180 | char *args; | |
181 | { | |
182 | char *s; | |
183 | int pid, wait_status, retcode; | |
184 | int i; | |
185 | const char **argv; | |
186 | char *errmsg_fmt, *errmsg_arg; | |
187 | char *temp_base = choose_temp_base (); | |
188 | int in_quote; | |
189 | char sep; | |
190 | ||
191 | if (verbose || dry_run) | |
192 | fprintf (stderr, "%s %s\n", what, args); | |
193 | ||
194 | /* Count the args */ | |
195 | i = 0; | |
196 | for (s = args; *s; s++) | |
197 | if (*s == ' ') | |
198 | i++; | |
199 | i++; | |
200 | argv = alloca (sizeof (char *) * (i + 3)); | |
201 | i = 0; | |
202 | argv[i++] = what; | |
203 | s = args; | |
204 | while (1) | |
205 | { | |
206 | while (*s == ' ' && *s != 0) | |
207 | s++; | |
208 | if (*s == 0) | |
209 | break; | |
210 | in_quote = (*s == '\'' || *s == '"'); | |
211 | sep = (in_quote) ? *s++ : ' '; | |
212 | argv[i++] = s; | |
213 | while (*s != sep && *s != 0) | |
214 | s++; | |
215 | if (*s == 0) | |
216 | break; | |
217 | *s++ = 0; | |
218 | if (in_quote) | |
219 | s++; | |
220 | } | |
221 | argv[i++] = NULL; | |
222 | ||
223 | if (dry_run) | |
224 | return 0; | |
225 | ||
226 | pid = pexecute (argv[0], (char * const *) argv, program_name, temp_base, | |
227 | &errmsg_fmt, &errmsg_arg, PEXECUTE_ONE | PEXECUTE_SEARCH); | |
228 | ||
229 | if (pid == -1) | |
230 | { | |
231 | int errno_val = errno; | |
232 | ||
233 | fprintf (stderr, "%s: ", program_name); | |
234 | fprintf (stderr, errmsg_fmt, errmsg_arg); | |
235 | fprintf (stderr, ": %s\n", strerror (errno_val)); | |
236 | return 1; | |
237 | } | |
238 | ||
239 | retcode = 0; | |
240 | pid = pwait (pid, &wait_status, 0); | |
241 | if (pid == -1) | |
242 | { | |
243 | fprintf (stderr, "%s: wait: %s\n", program_name, strerror (errno)); | |
244 | retcode = 1; | |
245 | } | |
246 | else if (WIFSIGNALED (wait_status)) | |
247 | { | |
248 | fprintf (stderr, "%s: subprocess got fatal signal %d\n", | |
249 | program_name, WTERMSIG (wait_status)); | |
250 | retcode = 1; | |
251 | } | |
252 | else if (WIFEXITED (wait_status)) | |
253 | { | |
254 | if (WEXITSTATUS (wait_status) != 0) | |
255 | { | |
256 | fprintf (stderr, "%s: %s exited with status %d\n", | |
257 | program_name, what, WEXITSTATUS (wait_status)); | |
258 | retcode = 1; | |
259 | } | |
260 | } | |
261 | else | |
262 | retcode = 1; | |
263 | ||
264 | return retcode; | |
265 | } | |
266 | ||
267 | static char * | |
268 | mybasename (name) | |
269 | const char *name; | |
270 | { | |
271 | const char *base = name; | |
272 | ||
273 | while (*name) | |
274 | { | |
275 | if (*name == '/' || *name == '\\') | |
276 | { | |
277 | base = name + 1; | |
278 | } | |
279 | ++name; | |
280 | } | |
281 | return (char *) base; | |
282 | } | |
283 | ||
284 | static int | |
285 | strhash (const char *str) | |
286 | { | |
287 | const unsigned char *s; | |
288 | unsigned long hash; | |
289 | unsigned int c; | |
290 | unsigned int len; | |
291 | ||
292 | hash = 0; | |
293 | len = 0; | |
294 | s = (const unsigned char *) str; | |
295 | while ((c = *s++) != '\0') | |
296 | { | |
297 | hash += c + (c << 17); | |
298 | hash ^= hash >> 2; | |
299 | ++len; | |
300 | } | |
301 | hash += len + (len << 17); | |
302 | hash ^= hash >> 2; | |
303 | ||
304 | return hash; | |
305 | } | |
306 | ||
307 | /**********************************************************************/ | |
308 | ||
309 | void | |
310 | print_version (name) | |
311 | const char *name; | |
312 | { | |
313 | /* This output is intended to follow the GNU standards document. */ | |
314 | /* xgettext:c-format */ | |
315 | printf ("GNU %s %s\n", name, program_version); | |
316 | printf ("Copyright 1998 Free Software Foundation, Inc.\n"); | |
317 | printf ("\ | |
318 | This program is free software; you may redistribute it under the terms of\n\ | |
319 | the GNU General Public License. This program has absolutely no warranty.\n"); | |
320 | exit (0); | |
321 | } | |
322 | ||
323 | static void | |
324 | usage (file, status) | |
325 | FILE *file; | |
326 | int status; | |
327 | { | |
328 | fprintf (file, "Usage %s <options> <object-files>\n", program_name); | |
329 | fprintf (file, " Generic options:\n"); | |
330 | fprintf (file, " --quiet, -q Work quietly\n"); | |
331 | fprintf (file, " --verbose, -v Verbose\n"); | |
332 | fprintf (file, " --version Print dllwrap version\n"); | |
333 | fprintf (file, " --implib <outname> Synonym for --output-lib\n"); | |
334 | fprintf (file, " Options for %s:\n", program_name); | |
335 | fprintf (file, " --driver-name <driver> Defaults to \"gcc\"\n"); | |
336 | fprintf (file, " --driver-flags <flags> Override default ld flags\n"); | |
337 | fprintf (file, " --dlltool-name <dlltool> Defaults to \"dlltool\"\n"); | |
338 | fprintf (file, " --entry <entry> Specify alternate DLL entry point\n"); | |
339 | fprintf (file, " --image-base <base> Specify image base address\n"); | |
340 | fprintf (file, " --target <machine> i386-cygwin32 or i386-mingw32\n"); | |
341 | fprintf (file, " --dry-run Show what needs to be run\n"); | |
342 | fprintf (file, " Options passed to DLLTOOL:\n"); | |
343 | fprintf (file, " --machine <machine>\n"); | |
344 | fprintf (file, " --output-exp <outname> Generate export file.\n"); | |
345 | fprintf (file, " --output-lib <outname> Generate input library.\n"); | |
346 | fprintf (file, " --add-indirect Add dll indirects to export file.\n"); | |
347 | fprintf (file, " --dllname <name> Name of input dll to put into output lib.\n"); | |
348 | fprintf (file, " --def <deffile> Name input .def file\n"); | |
349 | fprintf (file, " --output-def <deffile> Name output .def file\n"); | |
350 | fprintf (file, " --export-all-symbols Export all symbols to .def\n"); | |
351 | fprintf (file, " --no-export-all-symbols Only export .drectve symbols\n"); | |
352 | fprintf (file, " --exclude-symbols <list> Exclude <list> from .def\n"); | |
353 | fprintf (file, " --no-default-excludes Zap default exclude symbols\n"); | |
354 | fprintf (file, " --base-file <basefile> Read linker generated base file\n"); | |
355 | fprintf (file, " --no-idata4 Don't generate idata$4 section\n"); | |
356 | fprintf (file, " --no-idata5 Don't generate idata$5 section\n"); | |
357 | fprintf (file, " -U Add underscores to .lib\n"); | |
358 | fprintf (file, " -k Kill @<n> from exported names\n"); | |
359 | fprintf (file, " --add-stdcall-alias Add aliases without @<n>\n"); | |
360 | fprintf (file, " --as <name> Use <name> for assembler\n"); | |
361 | fprintf (file, " --nodelete Keep temp files.\n"); | |
362 | fprintf (file, " Rest are passed unmodified to the language driver\n"); | |
363 | fprintf (file, "\n\n"); | |
364 | exit (status); | |
365 | } | |
366 | ||
367 | #define OPTION_START 149 | |
368 | ||
369 | /* GENERIC options. */ | |
370 | #define OPTION_QUIET (OPTION_START + 1) | |
371 | #define OPTION_VERBOSE (OPTION_QUIET + 1) | |
372 | #define OPTION_VERSION (OPTION_VERBOSE + 1) | |
373 | ||
374 | /* DLLWRAP options. */ | |
375 | #define OPTION_DRY_RUN (OPTION_VERSION + 1) | |
376 | #define OPTION_DRIVER_NAME (OPTION_DRY_RUN + 1) | |
377 | #define OPTION_DRIVER_FLAGS (OPTION_DRIVER_NAME + 1) | |
378 | #define OPTION_DLLTOOL_NAME (OPTION_DRIVER_FLAGS + 1) | |
379 | #define OPTION_ENTRY (OPTION_DLLTOOL_NAME + 1) | |
380 | #define OPTION_IMAGE_BASE (OPTION_ENTRY + 1) | |
381 | #define OPTION_TARGET (OPTION_IMAGE_BASE + 1) | |
382 | ||
383 | /* DLLTOOL options. */ | |
384 | #define OPTION_NODELETE (OPTION_TARGET + 1) | |
385 | #define OPTION_DLLNAME (OPTION_NODELETE + 1) | |
386 | #define OPTION_NO_IDATA4 (OPTION_DLLNAME + 1) | |
387 | #define OPTION_NO_IDATA5 (OPTION_NO_IDATA4 + 1) | |
388 | #define OPTION_OUTPUT_EXP (OPTION_NO_IDATA5 + 1) | |
389 | #define OPTION_OUTPUT_DEF (OPTION_OUTPUT_EXP + 1) | |
390 | #define OPTION_EXPORT_ALL_SYMS (OPTION_OUTPUT_DEF + 1) | |
391 | #define OPTION_NO_EXPORT_ALL_SYMS (OPTION_EXPORT_ALL_SYMS + 1) | |
392 | #define OPTION_EXCLUDE_SYMS (OPTION_NO_EXPORT_ALL_SYMS + 1) | |
393 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_EXCLUDE_SYMS + 1) | |
394 | #define OPTION_OUTPUT_LIB (OPTION_NO_DEFAULT_EXCLUDES + 1) | |
395 | #define OPTION_DEF (OPTION_OUTPUT_LIB + 1) | |
396 | #define OPTION_ADD_UNDERSCORE (OPTION_DEF + 1) | |
397 | #define OPTION_KILLAT (OPTION_ADD_UNDERSCORE + 1) | |
398 | #define OPTION_HELP (OPTION_KILLAT + 1) | |
399 | #define OPTION_MACHINE (OPTION_HELP + 1) | |
400 | #define OPTION_ADD_INDIRECT (OPTION_MACHINE + 1) | |
401 | #define OPTION_BASE_FILE (OPTION_ADD_INDIRECT + 1) | |
402 | #define OPTION_AS (OPTION_BASE_FILE + 1) | |
403 | ||
404 | static const struct option long_options[] = | |
405 | { | |
406 | /* generic options. */ | |
407 | {"quiet", no_argument, NULL, 'q'}, | |
408 | {"verbose", no_argument, NULL, 'v'}, | |
409 | {"version", no_argument, NULL, OPTION_VERSION}, | |
410 | {"implib", required_argument, NULL, OPTION_OUTPUT_LIB}, | |
411 | ||
412 | /* dllwrap options. */ | |
413 | {"dry-run", no_argument, NULL, OPTION_DRY_RUN}, | |
414 | {"driver-name", required_argument, NULL, OPTION_DRIVER_NAME}, | |
415 | {"driver-flags", required_argument, NULL, OPTION_DRIVER_FLAGS}, | |
416 | {"dlltool-name", required_argument, NULL, OPTION_DLLTOOL_NAME}, | |
417 | {"entry", required_argument, NULL, 'e'}, | |
418 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
419 | {"target", required_argument, NULL, OPTION_TARGET}, | |
420 | ||
421 | /* dlltool options. */ | |
422 | {"no-delete", no_argument, NULL, 'n'}, | |
423 | {"dllname", required_argument, NULL, OPTION_DLLNAME}, | |
424 | {"no-idata4", no_argument, NULL, OPTION_NO_IDATA4}, | |
425 | {"no-idata5", no_argument, NULL, OPTION_NO_IDATA5}, | |
426 | {"output-exp", required_argument, NULL, OPTION_OUTPUT_EXP}, | |
427 | {"output-def", required_argument, NULL, OPTION_OUTPUT_DEF}, | |
428 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL_SYMS}, | |
429 | {"no-export-all-symbols", no_argument, NULL, OPTION_NO_EXPORT_ALL_SYMS}, | |
430 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMS}, | |
431 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
432 | {"output-lib", required_argument, NULL, OPTION_OUTPUT_LIB}, | |
433 | {"def", required_argument, NULL, OPTION_DEF}, | |
434 | {"add-underscore", no_argument, NULL, 'U'}, | |
435 | {"killat", no_argument, NULL, 'k'}, | |
436 | {"add-stdcall-alias", no_argument, NULL, 'A'}, | |
437 | {"help", no_argument, NULL, 'h'}, | |
438 | {"machine", required_argument, NULL, OPTION_MACHINE}, | |
439 | {"add-indirect", no_argument, NULL, OPTION_ADD_INDIRECT}, | |
440 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
441 | {"as", required_argument, NULL, OPTION_AS}, | |
442 | {0} | |
443 | }; | |
444 | ||
445 | int | |
446 | main (argc, argv) | |
447 | int argc; | |
448 | char **argv; | |
449 | { | |
450 | int c; | |
451 | int i; | |
452 | ||
453 | char **saved_argv = 0; | |
454 | int cmdline_len = 0; | |
455 | ||
456 | int export_all = 0; | |
457 | ||
458 | int *dlltool_arg_indices; | |
459 | int *driver_arg_indices; | |
460 | ||
461 | char *driver_flags = 0; | |
462 | char *output_lib_file_name = 0; | |
463 | ||
464 | dyn_string_t dlltool_cmdline; | |
465 | dyn_string_t driver_cmdline; | |
466 | ||
467 | int def_file_seen = 0; | |
468 | ||
469 | char *image_base_str = 0; | |
470 | ||
471 | program_name = argv[0]; | |
472 | ||
473 | saved_argv = (char **) xmalloc (argc * sizeof (char*)); | |
474 | dlltool_arg_indices = (int *) xmalloc (argc * sizeof (int)); | |
475 | driver_arg_indices = (int *) xmalloc (argc * sizeof (int)); | |
476 | for (i = 0; i < argc; ++i) | |
477 | { | |
478 | size_t len = strlen (argv[i]); | |
479 | char *arg = (char *) xmalloc (len + 1); | |
480 | strcpy (arg, argv[i]); | |
481 | cmdline_len += len; | |
482 | saved_argv[i] = arg; | |
483 | dlltool_arg_indices[i] = 0; | |
484 | driver_arg_indices[i] = 1; | |
485 | } | |
486 | cmdline_len++; | |
487 | ||
488 | /* We recognize dllwrap and dlltool options, and everything else is | |
489 | passed onto the language driver (eg., to GCC). We collect options | |
490 | to dlltool and driver in dlltool_args and driver_args. */ | |
491 | ||
492 | opterr = 0; | |
493 | while ((c = getopt_long_only (argc, argv, "nkAqve:Uho:l:L:I:", | |
494 | long_options, (int *) 0)) != EOF) | |
495 | { | |
496 | int dlltool_arg; | |
497 | int driver_arg; | |
498 | int single_word_option_value_pair; | |
499 | ||
500 | dlltool_arg = 0; | |
501 | driver_arg = 1; | |
502 | single_word_option_value_pair = 0; | |
503 | ||
504 | if (c != '?') | |
505 | { | |
506 | /* We recognize this option, so it has to be either dllwrap or | |
507 | dlltool option. Do not pass to driver unless it's one of the | |
508 | generic options that are passed to all the tools (such as -v) | |
509 | which are dealt with later. */ | |
510 | driver_arg = 0; | |
511 | } | |
512 | ||
513 | /* deal with generic and dllwrap options first. */ | |
514 | switch (c) | |
515 | { | |
516 | case 'h': | |
517 | usage (stdout, 0); | |
518 | break; | |
519 | case 'q': | |
520 | verbose = 0; | |
521 | break; | |
522 | case 'v': | |
523 | verbose = 1; | |
524 | break; | |
525 | case OPTION_VERSION: | |
526 | print_version (program_name); | |
527 | break; | |
528 | case 'e': | |
529 | entry_point = optarg; | |
530 | break; | |
531 | case OPTION_IMAGE_BASE: | |
532 | image_base_str = optarg; | |
533 | break; | |
534 | case OPTION_DEF: | |
535 | def_file_name = optarg; | |
536 | def_file_seen = 1; | |
537 | delete_def_file = 0; | |
538 | break; | |
539 | case 'n': | |
540 | dontdeltemps = 1; | |
541 | dlltool_arg = 1; | |
542 | break; | |
543 | case 'o': | |
544 | dll_file_name = optarg; | |
545 | break; | |
546 | case 'I': | |
547 | case 'l': | |
548 | case 'L': | |
549 | driver_arg = 1; | |
550 | break; | |
551 | case OPTION_DLLNAME: | |
552 | dll_name = optarg; | |
553 | break; | |
554 | case OPTION_DRY_RUN: | |
555 | dry_run = 1; | |
556 | break; | |
557 | case OPTION_DRIVER_NAME: | |
558 | driver_name = optarg; | |
559 | break; | |
560 | case OPTION_DRIVER_FLAGS: | |
561 | driver_flags = optarg; | |
562 | break; | |
563 | case OPTION_DLLTOOL_NAME: | |
564 | dlltool_name = optarg; | |
565 | break; | |
566 | case OPTION_TARGET: | |
567 | target = optarg; | |
568 | break; | |
569 | case OPTION_BASE_FILE: | |
570 | base_file_name = optarg; | |
571 | delete_base_file = 0; | |
572 | break; | |
573 | case OPTION_OUTPUT_EXP: | |
574 | exp_file_name = optarg; | |
575 | delete_exp_file = 0; | |
576 | break; | |
577 | case OPTION_EXPORT_ALL_SYMS: | |
578 | export_all = 1; | |
579 | break; | |
580 | case OPTION_OUTPUT_LIB: | |
581 | output_lib_file_name = optarg; | |
582 | break; | |
583 | case '?': | |
584 | break; | |
585 | default: | |
586 | dlltool_arg = 1; | |
587 | break; | |
588 | } | |
589 | ||
590 | /* Handle passing through --option=value case. */ | |
591 | if (optarg | |
592 | && saved_argv[optind-1][0] == '-' | |
593 | && saved_argv[optind-1][1] == '-' | |
594 | && strchr (saved_argv[optind-1], '=')) | |
595 | single_word_option_value_pair = 1; | |
596 | ||
597 | if (dlltool_arg) | |
598 | { | |
599 | dlltool_arg_indices[optind-1] = 1; | |
600 | if (optarg && ! single_word_option_value_pair) | |
601 | { | |
602 | dlltool_arg_indices[optind-2] = 1; | |
603 | } | |
604 | } | |
605 | ||
606 | if (! driver_arg) | |
607 | { | |
608 | driver_arg_indices[optind-1] = 0; | |
609 | if (optarg && ! single_word_option_value_pair) | |
610 | { | |
611 | driver_arg_indices[optind-2] = 0; | |
612 | } | |
613 | } | |
614 | } | |
615 | ||
616 | /* sanity checks. */ | |
617 | if (! dll_name && ! dll_file_name) | |
618 | { | |
619 | fprintf (stderr, | |
620 | "%s: Must provide at least one of -o or --dllname options\n", | |
621 | program_name); | |
622 | exit (1); | |
623 | } | |
624 | else if (! dll_name) | |
625 | { | |
626 | dll_name = xstrdup (mybasename (dll_file_name)); | |
627 | } | |
628 | else if (! dll_file_name) | |
629 | { | |
630 | dll_file_name = xstrdup (dll_name); | |
631 | } | |
632 | ||
633 | if (! def_file_seen) | |
634 | { | |
635 | char *fileprefix = choose_temp_base (); | |
636 | def_file_name = (char *) xmalloc (strlen (fileprefix) + 5); | |
637 | sprintf (def_file_name, "%s.def", | |
638 | (dontdeltemps) ? mybasename (fileprefix) : fileprefix); | |
639 | delete_def_file = 1; | |
640 | free (fileprefix); | |
641 | delete_def_file = 1; | |
642 | fprintf (stderr, "Warning: no export definition file provided\n"); | |
643 | fprintf (stderr, | |
644 | "dllwrap will create one, but may not be what you want\n"); | |
645 | } | |
646 | ||
647 | /* set the target platform. */ | |
648 | if (strstr (target, "cygwin32")) | |
649 | which_target = CYGWIN32_TARGET; | |
650 | else if (strstr (target, "mingw32")) | |
651 | which_target = MINGW32_TARGET; | |
652 | else | |
653 | which_target = UNKNOWN_TARGET; | |
654 | ||
655 | /* re-create the command lines as a string, taking care to quote stuff. */ | |
656 | dlltool_cmdline = dyn_string_new (cmdline_len); | |
657 | if (verbose) | |
658 | { | |
659 | dyn_string_append (dlltool_cmdline, " -v"); | |
660 | } | |
661 | dyn_string_append (dlltool_cmdline, " --dllname "); | |
662 | dyn_string_append (dlltool_cmdline, dll_name); | |
663 | ||
664 | for (i = 1; i < argc; ++i) | |
665 | { | |
666 | if (dlltool_arg_indices[i]) | |
667 | { | |
668 | char *arg = saved_argv[i]; | |
669 | int quote = (strchr (arg, ' ') || strchr (arg, '\t')); | |
670 | dyn_string_append (dlltool_cmdline, | |
671 | (quote) ? " \"" : " "); | |
672 | dyn_string_append (dlltool_cmdline, arg); | |
673 | dyn_string_append (dlltool_cmdline, | |
674 | (quote) ? "\"" : ""); | |
675 | } | |
676 | } | |
677 | ||
678 | driver_cmdline = dyn_string_new (cmdline_len); | |
679 | if (! driver_flags || strlen (driver_flags) == 0) | |
680 | { | |
681 | switch (which_target) | |
682 | { | |
683 | case CYGWIN32_TARGET: | |
684 | driver_flags = cygwin32_driver_flags; | |
685 | break; | |
686 | ||
687 | case MINGW32_TARGET: | |
688 | driver_flags = mingw32_driver_flags; | |
689 | break; | |
690 | ||
691 | default: | |
692 | driver_flags = generic_driver_flags; | |
693 | break; | |
694 | } | |
695 | } | |
696 | dyn_string_append (driver_cmdline, driver_flags); | |
697 | dyn_string_append (driver_cmdline, " -o "); | |
698 | dyn_string_append (driver_cmdline, dll_file_name); | |
699 | ||
700 | if (! entry_point || strlen (entry_point) == 0) | |
701 | { | |
702 | switch (which_target) | |
703 | { | |
704 | case CYGWIN32_TARGET: | |
705 | entry_point = "__cygwin32_dll_entry@12"; | |
706 | break; | |
707 | ||
708 | case MINGW32_TARGET: | |
709 | entry_point = "_DllMainCRTStartup@12"; | |
710 | break; | |
711 | ||
712 | default: | |
713 | entry_point = "_DllMain@12"; | |
714 | break; | |
715 | } | |
716 | } | |
717 | dyn_string_append (driver_cmdline, " -Wl,-e,"); | |
718 | dyn_string_append (driver_cmdline, entry_point); | |
719 | dyn_string_append (dlltool_cmdline, " --exclude-symbol="); | |
720 | dyn_string_append (dlltool_cmdline, | |
721 | (entry_point[0] == '_') ? entry_point+1 : entry_point); | |
722 | ||
723 | if (! image_base_str || strlen (image_base_str) == 0) | |
724 | { | |
725 | char *tmpbuf = (char *) xmalloc (sizeof ("0x12345678") + 1); | |
726 | unsigned long hash = strhash (dll_file_name); | |
727 | sprintf (tmpbuf, "0x%.8X", 0x60000000|((hash<<16)&0xFFC0000)); | |
728 | image_base_str = tmpbuf; | |
729 | } | |
730 | ||
731 | dyn_string_append (driver_cmdline, " -Wl,--image-base,"); | |
732 | dyn_string_append (driver_cmdline, image_base_str); | |
733 | ||
734 | if (verbose) | |
735 | { | |
736 | dyn_string_append (driver_cmdline, " -v"); | |
737 | } | |
738 | ||
739 | for (i = 1; i < argc; ++i) | |
740 | { | |
741 | if (driver_arg_indices[i]) | |
742 | { | |
743 | char *arg = saved_argv[i]; | |
744 | int quote = (strchr (arg, ' ') || strchr (arg, '\t')); | |
745 | dyn_string_append (driver_cmdline, | |
746 | (quote) ? " \"" : " "); | |
747 | dyn_string_append (driver_cmdline, arg); | |
748 | dyn_string_append (driver_cmdline, | |
749 | (quote) ? "\"" : ""); | |
750 | } | |
751 | } | |
752 | ||
753 | /* | |
754 | * Step pre-1. If no --def <EXPORT_DEF> is specified, then create it | |
755 | * and then pass it on. | |
756 | */ | |
757 | ||
758 | if (! def_file_seen) | |
759 | { | |
760 | int i; | |
761 | dyn_string_t step_pre1; | |
762 | ||
763 | step_pre1 = dyn_string_new (1024); | |
764 | ||
765 | dyn_string_append (step_pre1, dlltool_cmdline->s); | |
766 | if (export_all) | |
767 | { | |
768 | dyn_string_append (step_pre1, " --export-all --exclude-symbol="); | |
769 | dyn_string_append (step_pre1, | |
770 | "_cygwin32_dll_entry@12,DllMainCRTStartup@12,DllMain@12,DllEntryPoint@12"); | |
771 | } | |
772 | dyn_string_append (step_pre1, " --output-def "); | |
773 | dyn_string_append (step_pre1, def_file_name); | |
774 | ||
775 | for (i = 1; i < argc; ++i) | |
776 | { | |
777 | if (driver_arg_indices[i]) | |
778 | { | |
779 | char *arg = saved_argv[i]; | |
780 | size_t len = strlen (arg); | |
781 | if (len >= 2 && arg[len-2] == '.' | |
782 | && (arg[len-1] == 'o' || arg[len-1] == 'a')) | |
783 | { | |
784 | int quote = (strchr (arg, ' ') || strchr (arg, '\t')); | |
785 | dyn_string_append (step_pre1, | |
786 | (quote) ? " \"" : " "); | |
787 | dyn_string_append (step_pre1, arg); | |
788 | dyn_string_append (step_pre1, | |
789 | (quote) ? "\"" : ""); | |
790 | } | |
791 | } | |
792 | } | |
793 | ||
794 | if (run (dlltool_name, step_pre1->s)) | |
795 | cleanup_and_exit (1); | |
796 | ||
797 | dyn_string_delete (step_pre1); | |
798 | } | |
799 | ||
800 | dyn_string_append (dlltool_cmdline, " --def "); | |
801 | dyn_string_append (dlltool_cmdline, def_file_name); | |
802 | ||
803 | if (verbose) | |
804 | { | |
805 | fprintf (stderr, "DLLTOOL name : %s\n", dlltool_name); | |
806 | fprintf (stderr, "DLLTOOL options : %s\n", dlltool_cmdline->s); | |
807 | fprintf (stderr, "DRIVER name : %s\n", driver_name); | |
808 | fprintf (stderr, "DRIVER options : %s\n", driver_cmdline->s); | |
809 | } | |
810 | ||
811 | /* | |
812 | * Step 1. Call GCC/LD to create base relocation file. If using GCC, the | |
813 | * driver command line will look like the following: | |
814 | * | |
815 | * % gcc -Wl,--dll --Wl,--base-file,foo.base [rest of command line] | |
816 | * | |
817 | * If the user does not specify a base name, create temporary one that | |
818 | * is deleted at exit. | |
819 | * | |
820 | */ | |
821 | ||
822 | if (! base_file_name) | |
823 | { | |
824 | char *fileprefix = choose_temp_base (); | |
825 | base_file_name = (char *) xmalloc (strlen (fileprefix) + 6); | |
826 | sprintf (base_file_name, "%s.base", | |
827 | (dontdeltemps) ? mybasename (fileprefix) : fileprefix); | |
828 | delete_base_file = 1; | |
829 | free (fileprefix); | |
830 | } | |
831 | ||
832 | { | |
833 | int quote; | |
834 | ||
835 | dyn_string_t step1 = dyn_string_new (driver_cmdline->length | |
836 | + strlen (base_file_name) | |
837 | + 20); | |
838 | dyn_string_append (step1, "-Wl,--base-file,"); | |
839 | quote = (strchr (base_file_name, ' ') | |
840 | || strchr (base_file_name, '\t')); | |
841 | dyn_string_append (step1, | |
842 | (quote) ? "\"" : ""); | |
843 | dyn_string_append (step1, base_file_name); | |
844 | dyn_string_append (step1, | |
845 | (quote) ? "\"" : ""); | |
846 | if (driver_cmdline->length) | |
847 | { | |
848 | dyn_string_append (step1, " "); | |
849 | dyn_string_append (step1, driver_cmdline->s); | |
850 | } | |
851 | ||
852 | if (run (driver_name, step1->s)) | |
853 | cleanup_and_exit (1); | |
854 | ||
855 | dyn_string_delete (step1); | |
856 | } | |
857 | ||
858 | ||
859 | ||
860 | /* | |
861 | * Step 2. generate the exp file by running dlltool. | |
862 | * dlltool command line will look like the following: | |
863 | * | |
864 | * % dlltool -Wl,--dll --Wl,--base-file,foo.base [rest of command line] | |
865 | * | |
866 | * If the user does not specify a base name, create temporary one that | |
867 | * is deleted at exit. | |
868 | * | |
869 | */ | |
870 | ||
871 | if (! exp_file_name) | |
872 | { | |
873 | char *p = strrchr (dll_name, '.'); | |
874 | size_t prefix_len = (p) ? p - dll_name : strlen (dll_name); | |
875 | exp_file_name = (char *) xmalloc (prefix_len + 4 + 1); | |
876 | strncpy (exp_file_name, dll_name, prefix_len); | |
877 | exp_file_name[prefix_len] = '\0'; | |
878 | strcat (exp_file_name, ".exp"); | |
879 | delete_exp_file = 1; | |
880 | } | |
881 | ||
882 | { | |
883 | int quote; | |
884 | dyn_string_t step2 = dyn_string_new (dlltool_cmdline->length | |
885 | + strlen (base_file_name) | |
886 | + strlen (exp_file_name) | |
887 | + 20); | |
888 | ||
889 | dyn_string_append (step2, "--base-file "); | |
890 | quote = (strchr (base_file_name, ' ') | |
891 | || strchr (base_file_name, '\t')); | |
892 | dyn_string_append (step2, | |
893 | (quote) ? "\"" : ""); | |
894 | dyn_string_append (step2, base_file_name); | |
895 | dyn_string_append (step2, | |
896 | (quote) ? "\" " : " "); | |
897 | ||
898 | dyn_string_append (step2, "--output-exp "); | |
899 | quote = (strchr (exp_file_name, ' ') | |
900 | || strchr (exp_file_name, '\t')); | |
901 | dyn_string_append (step2, | |
902 | (quote) ? "\"" : ""); | |
903 | dyn_string_append (step2, exp_file_name); | |
904 | dyn_string_append (step2, | |
905 | (quote) ? "\"" : ""); | |
906 | ||
907 | if (dlltool_cmdline->length) | |
908 | { | |
909 | dyn_string_append (step2, " "); | |
910 | dyn_string_append (step2, dlltool_cmdline->s); | |
911 | } | |
912 | ||
913 | if (run (dlltool_name, step2->s)) | |
914 | cleanup_and_exit (1); | |
915 | ||
916 | dyn_string_delete (step2); | |
917 | } | |
918 | ||
919 | /* | |
920 | * Step 3. Call GCC/LD to again, adding the exp file this time. | |
921 | * driver command line will look like the following: | |
922 | * | |
923 | * % gcc -Wl,--dll --Wl,--base-file,foo.base foo.exp [rest ...] | |
924 | */ | |
925 | ||
926 | { | |
927 | int quote; | |
928 | ||
929 | dyn_string_t step3 = dyn_string_new (driver_cmdline->length | |
930 | + strlen (exp_file_name) | |
931 | + strlen (base_file_name) | |
932 | + 20); | |
933 | dyn_string_append (step3, "-Wl,--base-file,"); | |
934 | quote = (strchr (base_file_name, ' ') | |
935 | || strchr (base_file_name, '\t')); | |
936 | dyn_string_append (step3, | |
937 | (quote) ? "\"" : ""); | |
938 | dyn_string_append (step3, base_file_name); | |
939 | dyn_string_append (step3, | |
940 | (quote) ? "\" " : " "); | |
941 | ||
942 | quote = (strchr (exp_file_name, ' ') | |
943 | || strchr (exp_file_name, '\t')); | |
944 | dyn_string_append (step3, | |
945 | (quote) ? "\"" : ""); | |
946 | dyn_string_append (step3, exp_file_name); | |
947 | dyn_string_append (step3, | |
948 | (quote) ? "\"" : ""); | |
949 | ||
950 | if (driver_cmdline->length) | |
951 | { | |
952 | dyn_string_append (step3, " "); | |
953 | dyn_string_append (step3, driver_cmdline->s); | |
954 | } | |
955 | ||
956 | if (run (driver_name, step3->s)) | |
957 | cleanup_and_exit (1); | |
958 | ||
959 | dyn_string_delete (step3); | |
960 | } | |
961 | ||
962 | ||
963 | /* | |
964 | * Step 4. Run DLLTOOL again using the same command line. | |
965 | */ | |
966 | ||
967 | { | |
968 | int quote; | |
969 | dyn_string_t step4 = dyn_string_new (dlltool_cmdline->length | |
970 | + strlen (base_file_name) | |
971 | + strlen (exp_file_name) | |
972 | + 20); | |
973 | ||
974 | dyn_string_append (step4, "--base-file "); | |
975 | quote = (strchr (base_file_name, ' ') | |
976 | || strchr (base_file_name, '\t')); | |
977 | dyn_string_append (step4, | |
978 | (quote) ? "\"" : ""); | |
979 | dyn_string_append (step4, base_file_name); | |
980 | dyn_string_append (step4, | |
981 | (quote) ? "\" " : " "); | |
982 | ||
983 | dyn_string_append (step4, "--output-exp "); | |
984 | quote = (strchr (exp_file_name, ' ') | |
985 | || strchr (exp_file_name, '\t')); | |
986 | dyn_string_append (step4, | |
987 | (quote) ? "\"" : ""); | |
988 | dyn_string_append (step4, exp_file_name); | |
989 | dyn_string_append (step4, | |
990 | (quote) ? "\"" : ""); | |
991 | ||
992 | if (dlltool_cmdline->length) | |
993 | { | |
994 | dyn_string_append (step4, " "); | |
995 | dyn_string_append (step4, dlltool_cmdline->s); | |
996 | } | |
997 | ||
998 | if (output_lib_file_name) | |
999 | { | |
1000 | dyn_string_append (step4, " --output-lib "); | |
1001 | dyn_string_append (step4, output_lib_file_name); | |
1002 | } | |
1003 | ||
1004 | if (run (dlltool_name, step4->s)) | |
1005 | cleanup_and_exit (1); | |
1006 | ||
1007 | dyn_string_delete (step4); | |
1008 | } | |
1009 | ||
1010 | ||
1011 | /* | |
1012 | * Step 5. Link it all together and be done with it. | |
1013 | * driver command line will look like the following: | |
1014 | * | |
1015 | * % gcc -Wl,--dll foo.exp [rest ...] | |
1016 | * | |
1017 | */ | |
1018 | ||
1019 | { | |
1020 | int quote; | |
1021 | ||
1022 | dyn_string_t step5 = dyn_string_new (driver_cmdline->length | |
1023 | + strlen (exp_file_name) | |
1024 | + 20); | |
1025 | quote = (strchr (exp_file_name, ' ') | |
1026 | || strchr (exp_file_name, '\t')); | |
1027 | dyn_string_append (step5, | |
1028 | (quote) ? "\"" : ""); | |
1029 | dyn_string_append (step5, exp_file_name); | |
1030 | dyn_string_append (step5, | |
1031 | (quote) ? "\"" : ""); | |
1032 | ||
1033 | if (driver_cmdline->length) | |
1034 | { | |
1035 | dyn_string_append (step5, " "); | |
1036 | dyn_string_append (step5, driver_cmdline->s); | |
1037 | } | |
1038 | ||
1039 | if (run (driver_name, step5->s)) | |
1040 | cleanup_and_exit (1); | |
1041 | ||
1042 | dyn_string_delete (step5); | |
1043 | } | |
1044 | ||
1045 | cleanup_and_exit (0); | |
1046 | ||
1047 | return 0; | |
1048 | } |