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Commit | Line | Data |
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4e81a331 RS |
1 | /* Collect static initialization info into data structures |
2 | that can be traversed by C++ initialization and finalization | |
3 | routines. | |
4 | ||
96317659 | 5 | Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
4e81a331 | 6 | Contributed by Chris Smith (csmith@convex.com). |
96317659 | 7 | Heavily modified by Michael Meissner (meissner@cygnus.com), |
4e81a331 RS |
8 | Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com). |
9 | ||
10 | This file is part of GNU CC. | |
11 | ||
12 | GNU CC is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2, or (at your option) | |
15 | any later version. | |
16 | ||
17 | GNU CC is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with GNU CC; see the file COPYING. If not, write to | |
24 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
25 | ||
26 | ||
27 | /* Build tables of static constructors and destructors and run ld. */ | |
28 | ||
c102bba0 | 29 | #include "config.h" |
4e81a331 RS |
30 | #include <sys/types.h> |
31 | #include <stdio.h> | |
4e81a331 | 32 | #include <ctype.h> |
4e81a331 RS |
33 | #include <errno.h> |
34 | #include <signal.h> | |
35 | #include <sys/file.h> | |
36 | #include <sys/stat.h> | |
e6701a47 | 37 | #ifdef NO_WAIT_H |
4e81a331 | 38 | #include <sys/wait.h> |
e6701a47 | 39 | #endif |
4e81a331 | 40 | |
c102bba0 RK |
41 | #define COLLECT |
42 | ||
43 | #include "demangle.h" | |
44 | #include "obstack.h" | |
45 | ||
ed5b9462 RS |
46 | #ifndef errno |
47 | extern int errno; | |
48 | #endif | |
49 | ||
96317659 RK |
50 | #ifndef HAVE_STRERROR |
51 | #if defined(bsd4_4) | |
5d672cd7 JW |
52 | extern const char *const sys_errlist[]; |
53 | #else | |
54 | extern char *sys_errlist[]; | |
55 | #endif | |
56 | extern int sys_nerr; | |
96317659 RK |
57 | #else |
58 | char *strerror(); | |
59 | #endif | |
5d672cd7 | 60 | |
a3184468 JM |
61 | /* Obstack allocation and deallocation routines. */ |
62 | #define obstack_chunk_alloc xmalloc | |
63 | #define obstack_chunk_free free | |
64 | ||
65 | #if !defined (__STDC__) && !defined (const) | |
66 | #define const | |
4e81a331 RS |
67 | #endif |
68 | ||
ed5b9462 RS |
69 | #ifdef USG |
70 | #define vfork fork | |
71 | #endif | |
72 | ||
4d1a011f RK |
73 | /* Add prototype support. */ |
74 | #ifndef PROTO | |
75 | #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__) | |
76 | #define PROTO(ARGS) ARGS | |
77 | #else | |
78 | #define PROTO(ARGS) () | |
79 | #endif | |
80 | #endif | |
81 | ||
ed5b9462 RS |
82 | #ifndef R_OK |
83 | #define R_OK 4 | |
84 | #define W_OK 2 | |
85 | #define X_OK 1 | |
86 | #endif | |
87 | ||
0b90f9c2 ILT |
88 | #ifndef WIFSIGNALED |
89 | #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f) | |
90 | #endif | |
91 | #ifndef WTERMSIG | |
92 | #define WTERMSIG(S) ((S) & 0x7f) | |
93 | #endif | |
94 | #ifndef WIFEXITED | |
95 | #define WIFEXITED(S) (((S) & 0xff) == 0) | |
96 | #endif | |
97 | #ifndef WEXITSTATUS | |
98 | #define WEXITSTATUS(S) (((S) & 0xff00) >> 8) | |
99 | #endif | |
100 | ||
ed5b9462 RS |
101 | /* On MSDOS, write temp files in current dir |
102 | because there's no place else we can expect to use. */ | |
4b19dee8 | 103 | #ifdef __MSDOS__ |
ed5b9462 RS |
104 | #ifndef P_tmpdir |
105 | #define P_tmpdir "./" | |
106 | #endif | |
107 | #endif | |
108 | \f | |
109 | /* On certain systems, we have code that works by scanning the object file | |
110 | directly. But this code uses system-specific header files and library | |
bb59f9a6 RS |
111 | functions, so turn it off in a cross-compiler. Likewise, the names of |
112 | the utilities aren't correct for a cross-compiler; we have to hope that | |
113 | cross-versions are in the proper directories. */ | |
ed5b9462 RS |
114 | |
115 | #ifdef CROSS_COMPILE | |
68d69835 | 116 | #undef SUNOS4_SHARED_LIBRARIES |
ed5b9462 RS |
117 | #undef OBJECT_FORMAT_COFF |
118 | #undef OBJECT_FORMAT_ROSE | |
bb59f9a6 RS |
119 | #undef MD_EXEC_PREFIX |
120 | #undef REAL_LD_FILE_NAME | |
121 | #undef REAL_NM_FILE_NAME | |
122 | #undef REAL_STRIP_FILE_NAME | |
ed5b9462 RS |
123 | #endif |
124 | ||
125 | /* If we can't use a special method, use the ordinary one: | |
126 | run nm to find what symbols are present. | |
127 | In a cross-compiler, this means you need a cross nm, | |
128 | but that isn't quite as unpleasant as special headers. */ | |
129 | ||
130 | #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE) | |
131 | #define OBJECT_FORMAT_NONE | |
132 | #endif | |
133 | ||
134 | #ifdef OBJECT_FORMAT_COFF | |
135 | ||
136 | #include <a.out.h> | |
137 | #include <ar.h> | |
138 | ||
139 | #ifdef UMAX | |
140 | #include <sgs.h> | |
141 | #endif | |
142 | ||
033ba47c RS |
143 | /* Many versions of ldfcn.h define these. */ |
144 | #ifdef FREAD | |
ed5b9462 RS |
145 | #undef FREAD |
146 | #undef FWRITE | |
147 | #endif | |
148 | ||
149 | #include <ldfcn.h> | |
150 | ||
7243ba7d RK |
151 | /* Some systems have an ISCOFF macro, but others do not. In some cases |
152 | the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines | |
153 | that either do not have an ISCOFF macro in /usr/include or for those | |
154 | where it is wrong. */ | |
155 | ||
e99467d2 RS |
156 | #ifndef MY_ISCOFF |
157 | #define MY_ISCOFF(X) ISCOFF (X) | |
158 | #endif | |
159 | ||
ed5b9462 RS |
160 | #endif /* OBJECT_FORMAT_COFF */ |
161 | ||
4e81a331 RS |
162 | #ifdef OBJECT_FORMAT_ROSE |
163 | ||
164 | #ifdef _OSF_SOURCE | |
165 | #define USE_MMAP | |
166 | #endif | |
167 | ||
168 | #ifdef USE_MMAP | |
169 | #include <sys/mman.h> | |
170 | #endif | |
171 | ||
172 | #include <unistd.h> | |
173 | #include <mach_o_format.h> | |
174 | #include <mach_o_header.h> | |
175 | #include <mach_o_vals.h> | |
176 | #include <mach_o_types.h> | |
ed5b9462 | 177 | |
4e81a331 RS |
178 | #endif /* OBJECT_FORMAT_ROSE */ |
179 | ||
ed5b9462 RS |
180 | #ifdef OBJECT_FORMAT_NONE |
181 | ||
4e81a331 RS |
182 | /* Default flags to pass to nm. */ |
183 | #ifndef NM_FLAGS | |
184 | #define NM_FLAGS "-p" | |
185 | #endif | |
186 | ||
ed5b9462 | 187 | #endif /* OBJECT_FORMAT_NONE */ |
d6cf3187 RS |
188 | |
189 | /* Some systems use __main in a way incompatible with its use in gcc, in these | |
190 | cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to | |
191 | give the same symbol without quotes for an alternative entry point. You | |
ddd5a7c1 | 192 | must define both, or neither. */ |
d6cf3187 RS |
193 | #ifndef NAME__MAIN |
194 | #define NAME__MAIN "__main" | |
195 | #define SYMBOL__MAIN __main | |
196 | #endif | |
197 | ||
a3184468 | 198 | #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES |
68d69835 JM |
199 | #define SCAN_LIBRARIES |
200 | #endif | |
a3184468 JM |
201 | |
202 | #ifdef USE_COLLECT2 | |
203 | int do_collecting = 1; | |
204 | #else | |
205 | int do_collecting = 0; | |
206 | #endif | |
4e81a331 RS |
207 | \f |
208 | /* Linked lists of constructor and destructor names. */ | |
209 | ||
210 | struct id | |
211 | { | |
212 | struct id *next; | |
213 | int sequence; | |
214 | char name[1]; | |
215 | }; | |
216 | ||
217 | struct head | |
218 | { | |
219 | struct id *first; | |
220 | struct id *last; | |
221 | int number; | |
222 | }; | |
223 | ||
224 | /* Enumeration giving which pass this is for scanning the program file. */ | |
225 | ||
226 | enum pass { | |
227 | PASS_FIRST, /* without constructors */ | |
cbbbd917 | 228 | PASS_OBJ, /* individual objects */ |
68d69835 | 229 | PASS_LIB, /* looking for shared libraries */ |
4e81a331 RS |
230 | PASS_SECOND /* with constructors linked in */ |
231 | }; | |
232 | ||
ed5b9462 | 233 | #ifndef NO_SYS_SIGLIST |
1b7ca660 | 234 | #ifndef DONT_DECLARE_SYS_SIGLIST |
4e81a331 | 235 | extern char *sys_siglist[]; |
ed5b9462 | 236 | #endif |
1b7ca660 | 237 | #endif |
4e81a331 RS |
238 | extern char *version_string; |
239 | ||
a3184468 | 240 | int vflag; /* true if -v */ |
4e81a331 | 241 | static int rflag; /* true if -r */ |
a87104d9 | 242 | static int strip_flag; /* true if -s */ |
4e81a331 | 243 | |
a3184468 | 244 | int debug; /* true if -debug */ |
4e81a331 | 245 | |
68d69835 JM |
246 | static int shared_obj; /* true if -shared */ |
247 | ||
4e81a331 RS |
248 | static int temp_filename_length; /* Length of temp_filename */ |
249 | static char *temp_filename; /* Base of temp filenames */ | |
250 | static char *c_file; /* <xxx>.c for constructor/destructor list. */ | |
251 | static char *o_file; /* <xxx>.o for constructor/destructor list. */ | |
cbbbd917 JM |
252 | static char *export_file; /* <xxx>.x for AIX export list. */ |
253 | static int auto_export = 1; /* true if exporting everything. */ | |
a3184468 | 254 | char *ldout; /* File for ld errors. */ |
0cdd3ddd | 255 | static char *output_file; /* Output file for ld. */ |
4e81a331 | 256 | static char *nm_file_name; /* pathname of nm */ |
68d69835 | 257 | static char *ldd_file_name; /* pathname of ldd (or equivalent) */ |
a87104d9 | 258 | static char *strip_file_name; /* pathname of strip */ |
a3184468 | 259 | char *c_file_name; /* pathname of gcc */ |
cbbbd917 | 260 | static char *initname, *fininame; /* names of init and fini funcs */ |
4e81a331 RS |
261 | |
262 | static struct head constructors; /* list of constructors found */ | |
263 | static struct head destructors; /* list of destructors found */ | |
cbbbd917 | 264 | static struct head exports; /* list of exported symbols */ |
4e81a331 | 265 | |
a3184468 JM |
266 | struct obstack temporary_obstack; |
267 | struct obstack permanent_obstack; | |
268 | char * temporary_firstobj; | |
269 | ||
270 | /* Defined in the automatically-generated underscore.c. */ | |
271 | extern int prepends_underscore; | |
272 | ||
ed5b9462 RS |
273 | extern char *getenv (); |
274 | extern char *mktemp (); | |
4d1a011f RK |
275 | extern FILE *fdopen (); |
276 | ||
277 | /* Structure to hold all the directories in which to search for files to | |
278 | execute. */ | |
279 | ||
280 | struct prefix_list | |
281 | { | |
282 | char *prefix; /* String to prepend to the path. */ | |
283 | struct prefix_list *next; /* Next in linked list. */ | |
284 | }; | |
285 | ||
286 | struct path_prefix | |
287 | { | |
288 | struct prefix_list *plist; /* List of prefixes to try */ | |
289 | int max_len; /* Max length of a prefix in PLIST */ | |
290 | char *name; /* Name of this list (used in config stuff) */ | |
291 | }; | |
292 | ||
a3184468 JM |
293 | void collect_exit PROTO((int)); |
294 | void collect_execute PROTO((char *, char **, char *)); | |
295 | void dump_file PROTO((char *)); | |
4d1a011f RK |
296 | static void handler PROTO((int)); |
297 | static int is_ctor_dtor PROTO((char *)); | |
298 | static void choose_temp_base PROTO((void)); | |
299 | static int is_in_prefix_list PROTO((struct path_prefix *, char *, int)); | |
300 | static char *find_a_file PROTO((struct path_prefix *, char *)); | |
301 | static void add_prefix PROTO((struct path_prefix *, char *)); | |
302 | static void prefix_from_env PROTO((char *, struct path_prefix *)); | |
cbbbd917 | 303 | static void prefix_from_string PROTO((char *, struct path_prefix *)); |
4d1a011f RK |
304 | static void do_wait PROTO((char *)); |
305 | static void fork_execute PROTO((char *, char **)); | |
306 | static void maybe_unlink PROTO((char *)); | |
307 | static void add_to_list PROTO((struct head *, char *)); | |
308 | static void write_list PROTO((FILE *, char *, struct id *)); | |
309 | static void write_list_with_asm PROTO((FILE *, char *, struct id *)); | |
310 | static void write_c_file PROTO((FILE *, char *)); | |
cbbbd917 | 311 | static void write_export_file PROTO((FILE *)); |
4d1a011f | 312 | static void scan_prog_file PROTO((char *, enum pass)); |
68d69835 | 313 | static void scan_libraries PROTO((char *)); |
ed5b9462 | 314 | |
a3184468 JM |
315 | char *xcalloc (); |
316 | char *xmalloc (); | |
3f7cc57a MS |
317 | |
318 | extern char *index (); | |
319 | extern char *rindex (); | |
a3184468 | 320 | extern void free (); |
4e81a331 | 321 | \f |
f28e8a68 | 322 | #ifdef NO_DUP2 |
4d1a011f | 323 | int |
f28e8a68 RS |
324 | dup2 (oldfd, newfd) |
325 | int oldfd; | |
326 | int newfd; | |
327 | { | |
328 | int fdtmp[256]; | |
329 | int fdx = 0; | |
330 | int fd; | |
331 | ||
332 | if (oldfd == newfd) | |
eadbc961 | 333 | return oldfd; |
f28e8a68 | 334 | close (newfd); |
eadbc961 | 335 | while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */ |
f28e8a68 RS |
336 | fdtmp[fdx++] = fd; |
337 | while (fdx > 0) | |
338 | close (fdtmp[--fdx]); | |
4d1a011f | 339 | |
eadbc961 | 340 | return fd; |
f28e8a68 RS |
341 | } |
342 | #endif | |
343 | ||
ed5b9462 | 344 | char * |
1fab8e81 | 345 | my_strerror (e) |
4e81a331 RS |
346 | int e; |
347 | { | |
4e81a331 | 348 | |
aae807c0 RK |
349 | #ifdef HAVE_STRERROR |
350 | return strerror (e); | |
351 | ||
352 | #else | |
353 | ||
354 | static char buffer[30]; | |
4e81a331 RS |
355 | if (!e) |
356 | return ""; | |
357 | ||
358 | if (e > 0 && e < sys_nerr) | |
359 | return sys_errlist[e]; | |
360 | ||
361 | sprintf (buffer, "Unknown error %d", e); | |
362 | return buffer; | |
aae807c0 | 363 | #endif |
4e81a331 | 364 | } |
4e81a331 RS |
365 | \f |
366 | /* Delete tempfiles and exit function. */ | |
367 | ||
a3184468 JM |
368 | void |
369 | collect_exit (status) | |
4e81a331 RS |
370 | int status; |
371 | { | |
ed5b9462 | 372 | if (c_file != 0 && c_file[0]) |
4e81a331 RS |
373 | maybe_unlink (c_file); |
374 | ||
ed5b9462 | 375 | if (o_file != 0 && o_file[0]) |
4e81a331 RS |
376 | maybe_unlink (o_file); |
377 | ||
cbbbd917 JM |
378 | if (export_file != 0 && export_file[0]) |
379 | maybe_unlink (export_file); | |
380 | ||
a3184468 JM |
381 | if (ldout != 0 && ldout[0]) |
382 | { | |
383 | dump_file (ldout); | |
384 | maybe_unlink (ldout); | |
385 | } | |
386 | ||
0cdd3ddd RS |
387 | if (status != 0 && output_file != 0 && output_file[0]) |
388 | maybe_unlink (output_file); | |
389 | ||
4e81a331 RS |
390 | exit (status); |
391 | } | |
392 | ||
393 | \f | |
4e81a331 RS |
394 | /* Die when sys call fails. */ |
395 | ||
a3184468 | 396 | void |
1fab8e81 | 397 | fatal_perror (string, arg1, arg2, arg3) |
bd1a74b1 | 398 | char *string, *arg1, *arg2, *arg3; |
4e81a331 | 399 | { |
4e81a331 RS |
400 | int e = errno; |
401 | ||
626e18ea | 402 | fprintf (stderr, "collect2: "); |
1fab8e81 RS |
403 | fprintf (stderr, string, arg1, arg2, arg3); |
404 | fprintf (stderr, ": %s\n", my_strerror (e)); | |
a3184468 | 405 | collect_exit (1); |
4e81a331 RS |
406 | } |
407 | ||
408 | /* Just die. */ | |
409 | ||
a3184468 | 410 | void |
1fab8e81 | 411 | fatal (string, arg1, arg2, arg3) |
bd1a74b1 | 412 | char *string, *arg1, *arg2, *arg3; |
4e81a331 | 413 | { |
626e18ea | 414 | fprintf (stderr, "collect2: "); |
1fab8e81 | 415 | fprintf (stderr, string, arg1, arg2, arg3); |
4e81a331 | 416 | fprintf (stderr, "\n"); |
a3184468 | 417 | collect_exit (1); |
4e81a331 RS |
418 | } |
419 | ||
420 | /* Write error message. */ | |
421 | ||
a3184468 | 422 | void |
1fab8e81 | 423 | error (string, arg1, arg2, arg3, arg4) |
bd1a74b1 | 424 | char *string, *arg1, *arg2, *arg3, *arg4; |
4e81a331 | 425 | { |
626e18ea | 426 | fprintf (stderr, "collect2: "); |
1fab8e81 | 427 | fprintf (stderr, string, arg1, arg2, arg3, arg4); |
4e81a331 | 428 | fprintf (stderr, "\n"); |
4e81a331 RS |
429 | } |
430 | ||
4e81a331 RS |
431 | /* In case obstack is linked in, and abort is defined to fancy_abort, |
432 | provide a default entry. */ | |
433 | ||
434 | void | |
435 | fancy_abort () | |
436 | { | |
437 | fatal ("internal error"); | |
438 | } | |
439 | ||
440 | \f | |
441 | static void | |
442 | handler (signo) | |
443 | int signo; | |
444 | { | |
b31a1e3f | 445 | if (c_file != 0 && c_file[0]) |
4e81a331 RS |
446 | maybe_unlink (c_file); |
447 | ||
b31a1e3f | 448 | if (o_file != 0 && o_file[0]) |
4e81a331 RS |
449 | maybe_unlink (o_file); |
450 | ||
a3184468 JM |
451 | if (ldout != 0 && ldout[0]) |
452 | maybe_unlink (ldout); | |
453 | ||
4e81a331 | 454 | signal (signo, SIG_DFL); |
4e81a331 RS |
455 | kill (getpid (), signo); |
456 | } | |
457 | ||
458 | \f | |
a3184468 | 459 | char * |
4e81a331 | 460 | xcalloc (size1, size2) |
ed5b9462 | 461 | int size1, size2; |
4e81a331 | 462 | { |
a3184468 | 463 | char *ptr = (char *) calloc (size1, size2); |
4e81a331 RS |
464 | if (ptr) |
465 | return ptr; | |
466 | ||
1fab8e81 | 467 | fatal ("out of memory"); |
a3184468 | 468 | return (char *)0; |
4e81a331 RS |
469 | } |
470 | ||
a3184468 | 471 | char * |
4e81a331 | 472 | xmalloc (size) |
a3184468 | 473 | unsigned size; |
4e81a331 | 474 | { |
a3184468 | 475 | char *ptr = (char *) malloc (size); |
4e81a331 RS |
476 | if (ptr) |
477 | return ptr; | |
478 | ||
1fab8e81 | 479 | fatal ("out of memory"); |
a3184468 JM |
480 | return (char *)0; |
481 | } | |
482 | ||
483 | char * | |
484 | xrealloc (ptr, size) | |
485 | char *ptr; | |
486 | unsigned size; | |
487 | { | |
488 | register char *value = (char *) realloc (ptr, size); | |
489 | if (value == 0) | |
490 | fatal ("virtual memory exhausted"); | |
491 | return value; | |
492 | } | |
493 | ||
494 | int | |
495 | file_exists (name) | |
496 | char *name; | |
497 | { | |
498 | return access (name, R_OK) == 0; | |
4e81a331 RS |
499 | } |
500 | ||
ed5b9462 RS |
501 | /* Make a copy of a string INPUT with size SIZE. */ |
502 | ||
503 | char * | |
504 | savestring (input, size) | |
505 | char *input; | |
506 | int size; | |
507 | { | |
508 | char *output = (char *) xmalloc (size + 1); | |
1fab8e81 RS |
509 | bcopy (input, output, size); |
510 | output[size] = 0; | |
ed5b9462 RS |
511 | return output; |
512 | } | |
513 | \f | |
a3184468 JM |
514 | void |
515 | dump_file (name) | |
516 | char *name; | |
517 | { | |
518 | FILE *stream = fopen (name, "r"); | |
519 | int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE"); | |
520 | ||
521 | if (stream == 0) | |
522 | return; | |
523 | while (1) | |
524 | { | |
525 | int c; | |
526 | while (c = getc (stream), | |
527 | c != EOF && (isalnum (c) || c == '_' || c == '$' || c == '.')) | |
528 | obstack_1grow (&temporary_obstack, c); | |
529 | if (obstack_object_size (&temporary_obstack) > 0) | |
530 | { | |
531 | char *word, *p, *result; | |
532 | obstack_1grow (&temporary_obstack, '\0'); | |
533 | word = obstack_finish (&temporary_obstack); | |
534 | ||
535 | if (*word == '.') | |
536 | ++word, putc ('.', stderr); | |
537 | p = word; | |
538 | if (*p == '_' && prepends_underscore) | |
539 | ++p; | |
540 | ||
541 | if (no_demangle) | |
542 | result = 0; | |
543 | else | |
544 | result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI); | |
545 | ||
546 | if (result) | |
547 | { | |
548 | int diff; | |
549 | fputs (result, stderr); | |
550 | ||
551 | diff = strlen (word) - strlen (result); | |
552 | while (diff > 0) | |
553 | --diff, putc (' ', stderr); | |
554 | while (diff < 0 && c == ' ') | |
555 | ++diff, c = getc (stream); | |
556 | ||
557 | free (result); | |
558 | } | |
559 | else | |
560 | fputs (word, stderr); | |
561 | ||
562 | fflush (stderr); | |
563 | obstack_free (&temporary_obstack, temporary_firstobj); | |
564 | } | |
565 | if (c == EOF) | |
566 | break; | |
567 | putc (c, stderr); | |
568 | } | |
569 | } | |
570 | \f | |
ed5b9462 RS |
571 | /* Decide whether the given symbol is: |
572 | a constructor (1), a destructor (2), or neither (0). */ | |
573 | ||
574 | static int | |
575 | is_ctor_dtor (s) | |
576 | char *s; | |
577 | { | |
578 | struct names { char *name; int len; int ret; int two_underscores; }; | |
579 | ||
580 | register struct names *p; | |
581 | register int ch; | |
582 | register char *orig_s = s; | |
583 | ||
584 | static struct names special[] = { | |
585 | #ifdef NO_DOLLAR_IN_LABEL | |
7cbfceab | 586 | #ifdef NO_DOT_IN_LABEL |
c52d2678 RS |
587 | { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 }, |
588 | { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 }, | |
7cbfceab | 589 | #else |
ed5b9462 RS |
590 | { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 }, |
591 | { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 }, | |
7cbfceab | 592 | #endif |
ed5b9462 RS |
593 | #else |
594 | { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 }, | |
5555d6d1 | 595 | { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 }, |
ed5b9462 | 596 | #endif |
68d69835 JM |
597 | { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 }, |
598 | { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 }, | |
c1af0346 RS |
599 | #ifdef CFRONT_LOSSAGE /* Don't collect cfront initialization functions. |
600 | cfront has its own linker procedure to collect them; | |
601 | if collect2 gets them too, they get collected twice | |
602 | when the cfront procedure is run and the compiler used | |
603 | for linking happens to be GCC. */ | |
ed5b9462 RS |
604 | { "sti__", sizeof ("sti__")-1, 1, 1 }, |
605 | { "std__", sizeof ("std__")-1, 2, 1 }, | |
7a646ee5 | 606 | #endif /* CFRONT_LOSSAGE */ |
ed5b9462 RS |
607 | { NULL, 0, 0, 0 } |
608 | }; | |
609 | ||
610 | while ((ch = *s) == '_') | |
611 | ++s; | |
612 | ||
613 | if (s == orig_s) | |
614 | return 0; | |
615 | ||
616 | for (p = &special[0]; p->len > 0; p++) | |
617 | { | |
618 | if (ch == p->name[0] | |
619 | && (!p->two_underscores || ((s - orig_s) >= 2)) | |
620 | && strncmp(s, p->name, p->len) == 0) | |
621 | { | |
622 | return p->ret; | |
623 | } | |
624 | } | |
625 | return 0; | |
626 | } | |
627 | ||
4e81a331 RS |
628 | \f |
629 | /* Compute a string to use as the base of all temporary file names. | |
630 | It is substituted for %g. */ | |
631 | ||
632 | static void | |
ed5b9462 | 633 | choose_temp_base () |
4e81a331 RS |
634 | { |
635 | char *base = getenv ("TMPDIR"); | |
636 | int len; | |
637 | ||
638 | if (base == (char *)0) | |
639 | { | |
640 | #ifdef P_tmpdir | |
641 | if (access (P_tmpdir, R_OK | W_OK) == 0) | |
642 | base = P_tmpdir; | |
643 | #endif | |
644 | if (base == (char *)0) | |
645 | { | |
646 | if (access ("/usr/tmp", R_OK | W_OK) == 0) | |
647 | base = "/usr/tmp/"; | |
648 | else | |
649 | base = "/tmp/"; | |
650 | } | |
651 | } | |
652 | ||
653 | len = strlen (base); | |
aee42e27 | 654 | temp_filename = xmalloc (len + sizeof("/ccXXXXXX") + 1); |
4e81a331 RS |
655 | strcpy (temp_filename, base); |
656 | if (len > 0 && temp_filename[len-1] != '/') | |
657 | temp_filename[len++] = '/'; | |
658 | strcpy (temp_filename + len, "ccXXXXXX"); | |
659 | ||
660 | mktemp (temp_filename); | |
661 | temp_filename_length = strlen (temp_filename); | |
662 | } | |
bb59f9a6 | 663 | \f |
45840c57 RK |
664 | /* Routine to add variables to the environment. */ |
665 | ||
666 | #ifndef HAVE_PUTENV | |
667 | ||
4d1a011f | 668 | int |
45840c57 RK |
669 | putenv (str) |
670 | char *str; | |
671 | { | |
672 | #ifndef VMS /* nor about VMS */ | |
673 | ||
674 | extern char **environ; | |
675 | char **old_environ = environ; | |
676 | char **envp; | |
677 | int num_envs = 0; | |
678 | int name_len = 1; | |
45840c57 RK |
679 | char *p = str; |
680 | int ch; | |
681 | ||
682 | while ((ch = *p++) != '\0' && ch != '=') | |
683 | name_len++; | |
684 | ||
685 | if (!ch) | |
686 | abort (); | |
687 | ||
688 | /* Search for replacing an existing environment variable, and | |
689 | count the number of total environment variables. */ | |
690 | for (envp = old_environ; *envp; envp++) | |
691 | { | |
692 | num_envs++; | |
693 | if (!strncmp (str, *envp, name_len)) | |
694 | { | |
695 | *envp = str; | |
4d1a011f | 696 | return 0; |
45840c57 RK |
697 | } |
698 | } | |
699 | ||
700 | /* Add a new environment variable */ | |
701 | environ = (char **) xmalloc (sizeof (char *) * (num_envs+2)); | |
702 | *environ = str; | |
4c9a05bc RK |
703 | bcopy ((char *) old_environ, (char *) (environ + 1), |
704 | sizeof (char *) * (num_envs+1)); | |
705 | ||
4d1a011f | 706 | return 0; |
45840c57 RK |
707 | #endif /* VMS */ |
708 | } | |
709 | ||
710 | #endif /* HAVE_PUTENV */ | |
711 | \f | |
bb59f9a6 RS |
712 | /* By default, colon separates directories in a path. */ |
713 | #ifndef PATH_SEPARATOR | |
714 | #define PATH_SEPARATOR ':' | |
715 | #endif | |
716 | ||
bb59f9a6 RS |
717 | /* We maintain two prefix lists: one from COMPILER_PATH environment variable |
718 | and one from the PATH variable. */ | |
719 | ||
720 | static struct path_prefix cpath, path; | |
721 | ||
722 | #ifdef CROSS_COMPILE | |
723 | /* This is the name of the target machine. We use it to form the name | |
724 | of the files to execute. */ | |
725 | ||
726 | static char *target_machine = TARGET_MACHINE; | |
727 | #endif | |
720653a3 | 728 | |
45840c57 | 729 | /* Names under which we were executed. Never return one of those files in our |
720653a3 RK |
730 | searches. */ |
731 | ||
7223feb0 | 732 | static struct path_prefix our_file_names; |
bb59f9a6 | 733 | \f |
7223feb0 DE |
734 | /* Determine if STRING is in PPREFIX. |
735 | ||
736 | This utility is currently only used to look up file names. Prefix lists | |
737 | record directory names. This matters to us because the latter has a | |
738 | trailing slash, so I've added a flag to handle both. */ | |
739 | ||
740 | static int | |
741 | is_in_prefix_list (pprefix, string, filep) | |
742 | struct path_prefix *pprefix; | |
743 | char *string; | |
744 | int filep; | |
745 | { | |
746 | struct prefix_list *pl; | |
747 | ||
748 | if (filep) | |
749 | { | |
750 | int len = strlen (string); | |
751 | ||
752 | for (pl = pprefix->plist; pl; pl = pl->next) | |
753 | { | |
754 | if (strncmp (pl->prefix, string, len) == 0 | |
755 | && strcmp (pl->prefix + len, "/") == 0) | |
756 | return 1; | |
757 | } | |
758 | } | |
759 | else | |
760 | { | |
761 | for (pl = pprefix->plist; pl; pl = pl->next) | |
762 | { | |
763 | if (strcmp (pl->prefix, string) == 0) | |
764 | return 1; | |
765 | } | |
766 | } | |
767 | ||
768 | return 0; | |
769 | } | |
770 | ||
bb59f9a6 RS |
771 | /* Search for NAME using prefix list PPREFIX. We only look for executable |
772 | files. | |
773 | ||
774 | Return 0 if not found, otherwise return its name, allocated with malloc. */ | |
775 | ||
776 | static char * | |
777 | find_a_file (pprefix, name) | |
778 | struct path_prefix *pprefix; | |
779 | char *name; | |
780 | { | |
781 | char *temp; | |
782 | struct prefix_list *pl; | |
783 | int len = pprefix->max_len + strlen (name) + 1; | |
784 | ||
785 | #ifdef EXECUTABLE_SUFFIX | |
786 | len += strlen (EXECUTABLE_SUFFIX); | |
787 | #endif | |
788 | ||
789 | temp = xmalloc (len); | |
790 | ||
791 | /* Determine the filename to execute (special case for absolute paths). */ | |
792 | ||
793 | if (*name == '/') | |
794 | { | |
e8fda1f9 | 795 | if (access (name, X_OK) == 0) |
bb59f9a6 RS |
796 | { |
797 | strcpy (temp, name); | |
798 | return temp; | |
799 | } | |
800 | } | |
801 | else | |
802 | for (pl = pprefix->plist; pl; pl = pl->next) | |
803 | { | |
804 | strcpy (temp, pl->prefix); | |
805 | strcat (temp, name); | |
7223feb0 | 806 | if (! is_in_prefix_list (&our_file_names, temp, 1) |
aee3a549 RK |
807 | /* This is a kludge, but there seems no way around it. */ |
808 | && strcmp (temp, "./ld") != 0 | |
45840c57 | 809 | && access (temp, X_OK) == 0) |
bb59f9a6 RS |
810 | return temp; |
811 | ||
812 | #ifdef EXECUTABLE_SUFFIX | |
813 | /* Some systems have a suffix for executable files. | |
814 | So try appending that. */ | |
815 | strcat (temp, EXECUTABLE_SUFFIX); | |
7223feb0 | 816 | if (! is_in_prefix_list (&our_file_names, temp, 1) |
45840c57 | 817 | && access (temp, X_OK) == 0) |
bb59f9a6 RS |
818 | return temp; |
819 | #endif | |
820 | } | |
821 | ||
822 | free (temp); | |
823 | return 0; | |
824 | } | |
825 | ||
826 | /* Add an entry for PREFIX to prefix list PPREFIX. */ | |
827 | ||
828 | static void | |
829 | add_prefix (pprefix, prefix) | |
830 | struct path_prefix *pprefix; | |
831 | char *prefix; | |
832 | { | |
833 | struct prefix_list *pl, **prev; | |
834 | int len; | |
835 | ||
836 | if (pprefix->plist) | |
837 | { | |
838 | for (pl = pprefix->plist; pl->next; pl = pl->next) | |
839 | ; | |
840 | prev = &pl->next; | |
841 | } | |
842 | else | |
843 | prev = &pprefix->plist; | |
844 | ||
845 | /* Keep track of the longest prefix */ | |
846 | ||
847 | len = strlen (prefix); | |
848 | if (len > pprefix->max_len) | |
849 | pprefix->max_len = len; | |
850 | ||
851 | pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list)); | |
852 | pl->prefix = savestring (prefix, len); | |
853 | ||
854 | if (*prev) | |
855 | pl->next = *prev; | |
856 | else | |
857 | pl->next = (struct prefix_list *) 0; | |
858 | *prev = pl; | |
859 | } | |
860 | \f | |
861 | /* Take the value of the environment variable ENV, break it into a path, and | |
862 | add of the entries to PPREFIX. */ | |
863 | ||
864 | static void | |
865 | prefix_from_env (env, pprefix) | |
866 | char *env; | |
867 | struct path_prefix *pprefix; | |
868 | { | |
869 | char *p = getenv (env); | |
870 | ||
871 | if (p) | |
cbbbd917 JM |
872 | prefix_from_string (p, pprefix); |
873 | } | |
bb59f9a6 | 874 | |
cbbbd917 JM |
875 | static void |
876 | prefix_from_string (p, pprefix) | |
877 | char *p; | |
878 | struct path_prefix *pprefix; | |
879 | { | |
880 | char *startp, *endp; | |
881 | char *nstore = (char *) xmalloc (strlen (p) + 3); | |
882 | ||
883 | startp = endp = p; | |
884 | while (1) | |
885 | { | |
886 | if (*endp == PATH_SEPARATOR || *endp == 0) | |
bb59f9a6 | 887 | { |
cbbbd917 JM |
888 | strncpy (nstore, startp, endp-startp); |
889 | if (endp == startp) | |
bb59f9a6 | 890 | { |
cbbbd917 JM |
891 | strcpy (nstore, "./"); |
892 | } | |
893 | else if (endp[-1] != '/') | |
894 | { | |
895 | nstore[endp-startp] = '/'; | |
896 | nstore[endp-startp+1] = 0; | |
bb59f9a6 RS |
897 | } |
898 | else | |
cbbbd917 JM |
899 | nstore[endp-startp] = 0; |
900 | ||
901 | add_prefix (pprefix, nstore); | |
902 | if (*endp == 0) | |
903 | break; | |
904 | endp = startp = endp + 1; | |
bb59f9a6 | 905 | } |
cbbbd917 JM |
906 | else |
907 | endp++; | |
bb59f9a6 RS |
908 | } |
909 | } | |
4e81a331 RS |
910 | \f |
911 | /* Main program. */ | |
912 | ||
913 | int | |
914 | main (argc, argv) | |
915 | int argc; | |
916 | char *argv[]; | |
917 | { | |
bb59f9a6 RS |
918 | char *ld_suffix = "ld"; |
919 | char *full_ld_suffix = ld_suffix; | |
920 | char *real_ld_suffix = "real-ld"; | |
e8fda1f9 | 921 | char *full_real_ld_suffix = real_ld_suffix; |
a3184468 | 922 | char *collect_ld_suffix = "collect-ld"; |
bb59f9a6 RS |
923 | char *nm_suffix = "nm"; |
924 | char *full_nm_suffix = nm_suffix; | |
925 | char *gnm_suffix = "gnm"; | |
926 | char *full_gnm_suffix = gnm_suffix; | |
68d69835 JM |
927 | #ifdef LDD_SUFFIX |
928 | char *ldd_suffix = LDD_SUFFIX; | |
929 | char *full_ldd_suffix = ldd_suffix; | |
930 | #endif | |
bb59f9a6 RS |
931 | char *strip_suffix = "strip"; |
932 | char *full_strip_suffix = strip_suffix; | |
933 | char *gstrip_suffix = "gstrip"; | |
934 | char *full_gstrip_suffix = gstrip_suffix; | |
4e81a331 | 935 | char *arg; |
cbbbd917 | 936 | FILE *outf, *exportf; |
4e81a331 | 937 | char *ld_file_name; |
588e387f | 938 | char *collect_name; |
7223feb0 | 939 | char *collect_names; |
4e81a331 | 940 | char *p; |
ed5b9462 RS |
941 | char **c_argv; |
942 | char **c_ptr; | |
cbbbd917 | 943 | char **ld1_argv = (char **) xcalloc (sizeof (char *), argc+3); |
4e81a331 | 944 | char **ld1 = ld1_argv; |
cbbbd917 | 945 | char **ld2_argv = (char **) xcalloc (sizeof (char *), argc+6); |
4e81a331 | 946 | char **ld2 = ld2_argv; |
9f21696b JM |
947 | char **object_lst = (char **) xcalloc (sizeof (char *), argc); |
948 | char **object = object_lst; | |
4e81a331 | 949 | int first_file; |
ed5b9462 | 950 | int num_c_args = argc+7; |
4e81a331 RS |
951 | |
952 | #ifdef DEBUG | |
953 | debug = 1; | |
954 | vflag = 1; | |
955 | #endif | |
956 | ||
0cdd3ddd RS |
957 | output_file = "a.out"; |
958 | ||
a3184468 JM |
959 | obstack_begin (&temporary_obstack, 0); |
960 | obstack_begin (&permanent_obstack, 0); | |
961 | temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0); | |
962 | current_demangling_style = gnu_demangling; | |
963 | ||
45840c57 | 964 | /* We must check that we do not call ourselves in an infinite |
588e387f DE |
965 | recursion loop. We append the name used for us to the COLLECT_NAMES |
966 | environment variable. | |
45840c57 | 967 | |
7223feb0 DE |
968 | In practice, collect will rarely invoke itself. This can happen now |
969 | that we are no longer called gld. A perfect example is when running | |
970 | gcc in a build directory that has been installed. When looking for | |
971 | ld's, we'll find our installed version and believe that's the real ld. */ | |
45840c57 | 972 | |
588e387f DE |
973 | /* We must also append COLLECT_NAME to COLLECT_NAMES to watch for the |
974 | previous version of collect (the one that used COLLECT_NAME and only | |
975 | handled two levels of recursion). If we don't we may mutually recurse | |
976 | forever. This can happen (I think) when bootstrapping the old version | |
977 | and a new one is installed (rare, but we should handle it). | |
978 | ??? Hopefully references to COLLECT_NAME can be removed at some point. */ | |
979 | ||
980 | collect_name = (char *) getenv ("COLLECT_NAME"); | |
7223feb0 | 981 | collect_names = (char *) getenv ("COLLECT_NAMES"); |
45840c57 | 982 | |
7223feb0 | 983 | p = (char *) xmalloc (strlen ("COLLECT_NAMES=") |
588e387f | 984 | + (collect_name ? strlen (collect_name) + 1 : 0) |
7223feb0 DE |
985 | + (collect_names ? strlen (collect_names) + 1 : 0) |
986 | + strlen (argv[0]) + 1); | |
588e387f DE |
987 | strcpy (p, "COLLECT_NAMES="); |
988 | if (collect_name != 0) | |
989 | sprintf (p + strlen (p), "%s%c", collect_name, PATH_SEPARATOR); | |
7223feb0 | 990 | if (collect_names != 0) |
588e387f DE |
991 | sprintf (p + strlen (p), "%s%c", collect_names, PATH_SEPARATOR); |
992 | strcat (p, argv[0]); | |
45840c57 RK |
993 | putenv (p); |
994 | ||
7223feb0 DE |
995 | prefix_from_env ("COLLECT_NAMES", &our_file_names); |
996 | ||
588e387f DE |
997 | /* Set environment variable COLLECT_NAME to our name so the previous version |
998 | of collect won't find us. If it does we'll mutually recurse forever. | |
999 | This can happen when bootstrapping the new version and an old version is | |
1000 | installed. | |
1001 | ??? Hopefully this bit of code can be removed at some point. */ | |
1002 | ||
1003 | p = xmalloc (strlen ("COLLECT_NAME=") + strlen (argv[0]) + 1); | |
1004 | sprintf (p, "COLLECT_NAME=%s", argv[0]); | |
1005 | putenv (p); | |
1006 | ||
ed5b9462 RS |
1007 | p = (char *) getenv ("COLLECT_GCC_OPTIONS"); |
1008 | if (p) | |
1009 | while (*p) | |
1010 | { | |
1011 | char *q = p; | |
1012 | while (*q && *q != ' ') q++; | |
17704846 | 1013 | if (*p == '-' && p[1] == 'm') |
ed5b9462 RS |
1014 | num_c_args++; |
1015 | ||
1016 | if (*q) q++; | |
1017 | p = q; | |
1018 | } | |
1019 | ||
1020 | c_ptr = c_argv = (char **) xcalloc (sizeof (char *), num_c_args); | |
1021 | ||
4e81a331 RS |
1022 | if (argc < 2) |
1023 | fatal ("no arguments"); | |
1024 | ||
8ab861c7 | 1025 | #ifdef SIGQUIT |
915ee623 JW |
1026 | if (signal (SIGQUIT, SIG_IGN) != SIG_IGN) |
1027 | signal (SIGQUIT, handler); | |
8ab861c7 | 1028 | #endif |
915ee623 JW |
1029 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
1030 | signal (SIGINT, handler); | |
8ab861c7 | 1031 | #ifdef SIGALRM |
915ee623 JW |
1032 | if (signal (SIGALRM, SIG_IGN) != SIG_IGN) |
1033 | signal (SIGALRM, handler); | |
8ab861c7 RK |
1034 | #endif |
1035 | #ifdef SIGHUP | |
915ee623 JW |
1036 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
1037 | signal (SIGHUP, handler); | |
8ab861c7 | 1038 | #endif |
915ee623 JW |
1039 | if (signal (SIGSEGV, SIG_IGN) != SIG_IGN) |
1040 | signal (SIGSEGV, handler); | |
8ab861c7 | 1041 | #ifdef SIGBUS |
915ee623 JW |
1042 | if (signal (SIGBUS, SIG_IGN) != SIG_IGN) |
1043 | signal (SIGBUS, handler); | |
8ab861c7 | 1044 | #endif |
4e81a331 | 1045 | |
bb59f9a6 RS |
1046 | /* Extract COMPILER_PATH and PATH into our prefix list. */ |
1047 | prefix_from_env ("COMPILER_PATH", &cpath); | |
1048 | prefix_from_env ("PATH", &path); | |
4e81a331 | 1049 | |
bb59f9a6 RS |
1050 | #ifdef CROSS_COMPILE |
1051 | /* If we look for a program in the compiler directories, we just use | |
1052 | the short name, since these directories are already system-specific. | |
1053 | But it we look for a took in the system directories, we need to | |
1054 | qualify the program name with the target machine. */ | |
1055 | ||
1056 | full_ld_suffix | |
aee42e27 | 1057 | = xcalloc (strlen (ld_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1058 | strcpy (full_ld_suffix, target_machine); |
bb59f9a6 | 1059 | strcat (full_ld_suffix, "-"); |
46c74083 | 1060 | strcat (full_ld_suffix, ld_suffix); |
bb59f9a6 RS |
1061 | |
1062 | full_real_ld_suffix | |
aee42e27 | 1063 | = xcalloc (strlen (real_ld_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1064 | strcpy (full_real_ld_suffix, target_machine); |
bb59f9a6 | 1065 | strcat (full_real_ld_suffix, "-"); |
46c74083 | 1066 | strcat (full_real_ld_suffix, real_ld_suffix); |
bb59f9a6 | 1067 | |
98552524 | 1068 | #if 0 |
bb59f9a6 | 1069 | full_gld_suffix |
aee42e27 | 1070 | = xcalloc (strlen (gld_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1071 | strcpy (full_gld_suffix, target_machine); |
bb59f9a6 | 1072 | strcat (full_gld_suffix, "-"); |
46c74083 | 1073 | strcat (full_gld_suffix, gld_suffix); |
98552524 | 1074 | #endif |
bb59f9a6 RS |
1075 | |
1076 | full_nm_suffix | |
aee42e27 | 1077 | = xcalloc (strlen (nm_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1078 | strcpy (full_nm_suffix, target_machine); |
bb59f9a6 | 1079 | strcat (full_nm_suffix, "-"); |
46c74083 | 1080 | strcat (full_nm_suffix, nm_suffix); |
bb59f9a6 RS |
1081 | |
1082 | full_gnm_suffix | |
aee42e27 | 1083 | = xcalloc (strlen (gnm_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1084 | strcpy (full_gnm_suffix, target_machine); |
bb59f9a6 | 1085 | strcat (full_gnm_suffix, "-"); |
46c74083 | 1086 | strcat (full_gnm_suffix, gnm_suffix); |
bb59f9a6 | 1087 | |
68d69835 JM |
1088 | #ifdef LDD_SUFFIX |
1089 | full_ldd_suffix | |
1090 | = xcalloc (strlen (ldd_suffix) + strlen (target_machine) + 2, 1); | |
1091 | strcpy (full_ldd_suffix, target_machine); | |
1092 | strcat (full_ldd_suffix, "-"); | |
1093 | strcat (full_ldd_suffix, ldd_suffix); | |
1094 | #endif | |
1095 | ||
bb59f9a6 | 1096 | full_strip_suffix |
aee42e27 | 1097 | = xcalloc (strlen (strip_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1098 | strcpy (full_strip_suffix, target_machine); |
bb59f9a6 | 1099 | strcat (full_strip_suffix, "-"); |
46c74083 | 1100 | strcat (full_strip_suffix, strip_suffix); |
bb59f9a6 RS |
1101 | |
1102 | full_gstrip_suffix | |
aee42e27 | 1103 | = xcalloc (strlen (gstrip_suffix) + strlen (target_machine) + 2, 1); |
46c74083 | 1104 | strcpy (full_gstrip_suffix, target_machine); |
bb59f9a6 | 1105 | strcat (full_gstrip_suffix, "-"); |
46c74083 | 1106 | strcat (full_gstrip_suffix, gstrip_suffix); |
bb59f9a6 RS |
1107 | #endif /* CROSS_COMPILE */ |
1108 | ||
1109 | /* Try to discover a valid linker/nm/strip to use. */ | |
1110 | ||
90d326bd JM |
1111 | /* Maybe we know the right file to use (if not cross). */ |
1112 | #ifdef REAL_LD_FILE_NAME | |
1113 | ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME); | |
1114 | if (ld_file_name == 0) | |
1115 | #endif | |
a3184468 JM |
1116 | /* Search the (target-specific) compiler dirs for ld'. */ |
1117 | ld_file_name = find_a_file (&cpath, real_ld_suffix); | |
1118 | /* Likewise for `collect-ld'. */ | |
bb59f9a6 | 1119 | if (ld_file_name == 0) |
a3184468 | 1120 | ld_file_name = find_a_file (&cpath, collect_ld_suffix); |
b3a2ef94 RK |
1121 | /* Search the compiler directories for `ld'. We have protection against |
1122 | recursive calls in find_a_file. */ | |
f820b898 | 1123 | if (ld_file_name == 0) |
b3a2ef94 | 1124 | ld_file_name = find_a_file (&cpath, ld_suffix); |
bb59f9a6 | 1125 | /* Search the ordinary system bin directories |
46c74083 | 1126 | for `ld' (if native linking) or `TARGET-ld' (if cross). */ |
bb59f9a6 RS |
1127 | if (ld_file_name == 0) |
1128 | ld_file_name = find_a_file (&path, full_ld_suffix); | |
1129 | ||
7223feb0 DE |
1130 | /* If we've invoked ourselves, try again with LD_FILE_NAME. */ |
1131 | ||
1132 | if (collect_names != 0) | |
1133 | { | |
1134 | if (ld_file_name != 0) | |
1135 | { | |
1136 | argv[0] = ld_file_name; | |
1137 | execvp (argv[0], argv); | |
1138 | } | |
1139 | fatal ("cannot find `ld'"); | |
1140 | } | |
1141 | ||
90d326bd JM |
1142 | #ifdef REAL_NM_FILE_NAME |
1143 | nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME); | |
1144 | if (nm_file_name == 0) | |
1145 | #endif | |
bb59f9a6 RS |
1146 | nm_file_name = find_a_file (&cpath, gnm_suffix); |
1147 | if (nm_file_name == 0) | |
1148 | nm_file_name = find_a_file (&path, full_gnm_suffix); | |
1149 | if (nm_file_name == 0) | |
1150 | nm_file_name = find_a_file (&cpath, nm_suffix); | |
bb59f9a6 RS |
1151 | if (nm_file_name == 0) |
1152 | nm_file_name = find_a_file (&path, full_nm_suffix); | |
1153 | ||
68d69835 JM |
1154 | #ifdef LDD_SUFFIX |
1155 | ldd_file_name = find_a_file (&cpath, ldd_suffix); | |
1156 | if (ldd_file_name == 0) | |
1157 | ldd_file_name = find_a_file (&path, full_ldd_suffix); | |
1158 | #endif | |
1159 | ||
90d326bd JM |
1160 | #ifdef REAL_STRIP_FILE_NAME |
1161 | strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME); | |
1162 | if (strip_file_name == 0) | |
1163 | #endif | |
bb59f9a6 RS |
1164 | strip_file_name = find_a_file (&cpath, gstrip_suffix); |
1165 | if (strip_file_name == 0) | |
1166 | strip_file_name = find_a_file (&path, full_gstrip_suffix); | |
1167 | if (strip_file_name == 0) | |
1168 | strip_file_name = find_a_file (&cpath, strip_suffix); | |
bb59f9a6 RS |
1169 | if (strip_file_name == 0) |
1170 | strip_file_name = find_a_file (&path, full_strip_suffix); | |
4e81a331 | 1171 | |
a87104d9 | 1172 | /* Determine the full path name of the C compiler to use. */ |
ed5b9462 | 1173 | c_file_name = getenv ("COLLECT_GCC"); |
5365d6ee | 1174 | if (c_file_name == 0) |
4e81a331 | 1175 | { |
bb59f9a6 | 1176 | #ifdef CROSS_COMPILE |
aee42e27 | 1177 | c_file_name = xcalloc (sizeof ("gcc-") + strlen (target_machine) + 1, 1); |
46c74083 RS |
1178 | strcpy (c_file_name, target_machine); |
1179 | strcat (c_file_name, "-gcc"); | |
4e81a331 | 1180 | #else |
bb59f9a6 | 1181 | c_file_name = "gcc"; |
a87104d9 | 1182 | #endif |
a87104d9 MM |
1183 | } |
1184 | ||
bb59f9a6 RS |
1185 | p = find_a_file (&cpath, c_file_name); |
1186 | ||
1187 | /* Here it should be safe to use the system search path since we should have | |
1188 | already qualified the name of the compiler when it is needed. */ | |
1189 | if (p == 0) | |
1190 | p = find_a_file (&path, c_file_name); | |
1191 | ||
1192 | if (p) | |
1193 | c_file_name = p; | |
4e81a331 | 1194 | |
45840c57 | 1195 | *ld1++ = *ld2++ = ld_file_name; |
4e81a331 RS |
1196 | |
1197 | /* Make temp file names. */ | |
1198 | choose_temp_base (); | |
1199 | c_file = xcalloc (temp_filename_length + sizeof (".c"), 1); | |
1200 | o_file = xcalloc (temp_filename_length + sizeof (".o"), 1); | |
cbbbd917 | 1201 | export_file = xmalloc (temp_filename_length + sizeof (".x")); |
a3184468 JM |
1202 | ldout = xmalloc (temp_filename_length + sizeof (".ld")); |
1203 | sprintf (ldout, "%s.ld", temp_filename); | |
4e81a331 RS |
1204 | sprintf (c_file, "%s.c", temp_filename); |
1205 | sprintf (o_file, "%s.o", temp_filename); | |
cbbbd917 | 1206 | sprintf (export_file, "%s.x", temp_filename); |
ed5b9462 | 1207 | *c_ptr++ = c_file_name; |
4e81a331 RS |
1208 | *c_ptr++ = "-c"; |
1209 | *c_ptr++ = "-o"; | |
1210 | *c_ptr++ = o_file; | |
1211 | ||
ed5b9462 RS |
1212 | /* !!! When GCC calls collect2, |
1213 | it does not know whether it is calling collect2 or ld. | |
1214 | So collect2 cannot meaningfully understand any options | |
1215 | except those ld understands. | |
1216 | If you propose to make GCC pass some other option, | |
1217 | just imagine what will happen if ld is really ld!!! */ | |
1218 | ||
4e81a331 | 1219 | /* Parse arguments. Remember output file spec, pass the rest to ld. */ |
ed5b9462 RS |
1220 | /* After the first file, put in the c++ rt0. */ |
1221 | ||
4e81a331 RS |
1222 | first_file = 1; |
1223 | while ((arg = *++argv) != (char *)0) | |
1224 | { | |
1225 | *ld1++ = *ld2++ = arg; | |
1226 | ||
1227 | if (arg[0] == '-') | |
2d5e74ca | 1228 | { |
4e81a331 RS |
1229 | switch (arg[1]) |
1230 | { | |
1231 | case 'd': | |
1232 | if (!strcmp (arg, "-debug")) | |
1233 | { | |
1234 | debug = 1; | |
1235 | vflag = 1; | |
1236 | ld1--; | |
1237 | ld2--; | |
1238 | } | |
1239 | break; | |
1240 | ||
cbbbd917 JM |
1241 | #ifdef COLLECT_EXPORT_LIST |
1242 | case 'b': | |
603b4064 RK |
1243 | if ((!strncmp (arg, "-bE:", 4) |
1244 | || !strncmp (arg, "-bexport:", 9)) | |
1245 | && strcmp (arg, "-bexport:/usr/lib/libg.exp")) | |
cbbbd917 JM |
1246 | auto_export = 0; |
1247 | break; | |
1248 | #endif | |
1249 | ||
68d69835 JM |
1250 | case 'l': |
1251 | if (first_file) | |
1252 | { | |
1253 | /* place o_file BEFORE this argument! */ | |
1254 | first_file = 0; | |
1255 | ld2--; | |
1256 | *ld2++ = o_file; | |
1257 | *ld2++ = arg; | |
1258 | } | |
1259 | break; | |
1260 | ||
4e81a331 | 1261 | case 'o': |
603b4064 RK |
1262 | if (arg[2] == '\0') |
1263 | output_file = *ld1++ = *ld2++ = *++argv; | |
1264 | else | |
1265 | output_file = &arg[2]; | |
4e81a331 RS |
1266 | break; |
1267 | ||
1268 | case 'r': | |
1269 | if (arg[2] == '\0') | |
1270 | rflag = 1; | |
1271 | break; | |
1272 | ||
a87104d9 | 1273 | case 's': |
a3184468 | 1274 | if (arg[2] == '\0' && do_collecting) |
a87104d9 MM |
1275 | { |
1276 | /* We must strip after the nm run, otherwise C++ linking | |
1277 | won't work. Thus we strip in the second ld run, or | |
1278 | else with strip if there is no second ld run. */ | |
1279 | strip_flag = 1; | |
1280 | ld1--; | |
1281 | } | |
1282 | break; | |
1283 | ||
4e81a331 RS |
1284 | case 'v': |
1285 | if (arg[2] == '\0') | |
1286 | vflag = 1; | |
1287 | break; | |
1288 | } | |
2d5e74ca | 1289 | } |
9f21696b | 1290 | else if ((p = rindex (arg, '.')) != (char *)0 |
68d69835 | 1291 | && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0)) |
4e81a331 | 1292 | { |
9f21696b JM |
1293 | if (first_file) |
1294 | { | |
1295 | first_file = 0; | |
603b4064 RK |
1296 | if (p[1] == 'o') |
1297 | *ld2++ = o_file; | |
1298 | else | |
1299 | { | |
1300 | /* place o_file BEFORE this argument! */ | |
1301 | ld2--; | |
1302 | *ld2++ = o_file; | |
1303 | *ld2++ = arg; | |
1304 | } | |
9f21696b JM |
1305 | } |
1306 | if (p[1] == 'o') | |
1307 | *object++ = arg; | |
4e81a331 RS |
1308 | } |
1309 | } | |
1310 | ||
ed5b9462 RS |
1311 | /* Get any options that the upper GCC wants to pass to the sub-GCC. */ |
1312 | p = (char *) getenv ("COLLECT_GCC_OPTIONS"); | |
1313 | if (p) | |
1314 | while (*p) | |
1315 | { | |
1316 | char *q = p; | |
1317 | while (*q && *q != ' ') q++; | |
1318 | if (*p == '-' && (p[1] == 'm' || p[1] == 'f')) | |
1319 | *c_ptr++ = savestring (p, q - p); | |
68d69835 JM |
1320 | if (strncmp (p, "-shared", sizeof ("shared") - 1) == 0) |
1321 | shared_obj = 1; | |
ed5b9462 RS |
1322 | |
1323 | if (*q) q++; | |
1324 | p = q; | |
1325 | } | |
1326 | ||
cbbbd917 JM |
1327 | #ifdef COLLECT_EXPORT_LIST |
1328 | /* The AIX linker will discard static constructors in object files if | |
1329 | nothing else in the file is referenced, so look at them first. */ | |
1330 | while (object_lst < object) | |
1331 | scan_prog_file (*object_lst++, PASS_OBJ); | |
1332 | ||
1333 | { | |
1334 | char *buf = alloca (strlen (export_file) + 5); | |
1335 | sprintf (buf, "-bE:%s", export_file); | |
1336 | *ld1++ = buf; | |
1337 | *ld2++ = buf; | |
1338 | exportf = fopen (export_file, "w"); | |
1339 | if (exportf == (FILE *)0) | |
1340 | fatal_perror ("%s", export_file); | |
1341 | write_export_file (exportf); | |
1342 | if (fclose (exportf)) | |
1343 | fatal_perror ("closing %s", export_file); | |
1344 | } | |
1345 | #endif | |
1346 | ||
4e81a331 | 1347 | *c_ptr++ = c_file; |
603b4064 | 1348 | *object = *c_ptr = *ld1 = (char *)0; |
4e81a331 RS |
1349 | |
1350 | if (vflag) | |
1351 | { | |
ed5b9462 | 1352 | fprintf (stderr, "collect2 version %s", version_string); |
4e81a331 RS |
1353 | #ifdef TARGET_VERSION |
1354 | TARGET_VERSION; | |
1355 | #endif | |
1356 | fprintf (stderr, "\n"); | |
1357 | } | |
1358 | ||
1359 | if (debug) | |
1360 | { | |
ed5b9462 | 1361 | char *ptr; |
a1549b15 RS |
1362 | fprintf (stderr, "ld_file_name = %s\n", |
1363 | (ld_file_name ? ld_file_name : "not found")); | |
1364 | fprintf (stderr, "c_file_name = %s\n", | |
1365 | (c_file_name ? c_file_name : "not found")); | |
1366 | fprintf (stderr, "nm_file_name = %s\n", | |
1367 | (nm_file_name ? nm_file_name : "not found")); | |
68d69835 JM |
1368 | #ifdef LDD_SUFFIX |
1369 | fprintf (stderr, "ldd_file_name = %s\n", | |
1370 | (ldd_file_name ? ldd_file_name : "not found")); | |
1371 | #endif | |
a1549b15 RS |
1372 | fprintf (stderr, "strip_file_name = %s\n", |
1373 | (strip_file_name ? strip_file_name : "not found")); | |
1374 | fprintf (stderr, "c_file = %s\n", | |
1375 | (c_file ? c_file : "not found")); | |
1376 | fprintf (stderr, "o_file = %s\n", | |
1377 | (o_file ? o_file : "not found")); | |
ed5b9462 | 1378 | |
7223feb0 DE |
1379 | ptr = getenv ("COLLECT_NAMES"); |
1380 | if (ptr) | |
1381 | fprintf (stderr, "COLLECT_NAMES = %s\n", ptr); | |
1382 | ||
ed5b9462 RS |
1383 | ptr = getenv ("COLLECT_GCC_OPTIONS"); |
1384 | if (ptr) | |
1385 | fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr); | |
1386 | ||
1387 | ptr = getenv ("COLLECT_GCC"); | |
1388 | if (ptr) | |
1389 | fprintf (stderr, "COLLECT_GCC = %s\n", ptr); | |
1390 | ||
1391 | ptr = getenv ("COMPILER_PATH"); | |
1392 | if (ptr) | |
1393 | fprintf (stderr, "COMPILER_PATH = %s\n", ptr); | |
1394 | ||
1395 | ptr = getenv ("LIBRARY_PATH"); | |
1396 | if (ptr) | |
1397 | fprintf (stderr, "LIBRARY_PATH = %s\n", ptr); | |
1398 | ||
1399 | fprintf (stderr, "\n"); | |
4e81a331 RS |
1400 | } |
1401 | ||
a3184468 | 1402 | /* Load the program, searching all libraries. */ |
4e81a331 | 1403 | |
a3184468 JM |
1404 | collect_execute ("ld", ld1_argv, ldout); |
1405 | do_wait ("ld"); | |
1406 | dump_file (ldout); | |
1407 | unlink (ldout); | |
4e81a331 | 1408 | |
a3184468 JM |
1409 | /* If -r or they'll be run via some other method, don't build the |
1410 | constructor or destructor list, just return now. */ | |
1411 | if (rflag || ! do_collecting) | |
4e81a331 RS |
1412 | return 0; |
1413 | ||
a3184468 JM |
1414 | /* Examine the namelist with nm and search it for static constructors |
1415 | and destructors to call. | |
1416 | Write the constructor and destructor tables to a .s file and reload. */ | |
1417 | ||
0cdd3ddd | 1418 | scan_prog_file (output_file, PASS_FIRST); |
4e81a331 | 1419 | |
68d69835 JM |
1420 | #ifdef SCAN_LIBRARIES |
1421 | scan_libraries (output_file); | |
1422 | #endif | |
1423 | ||
4e81a331 RS |
1424 | if (debug) |
1425 | { | |
1426 | fprintf (stderr, "%d constructor(s) found\n", constructors.number); | |
1427 | fprintf (stderr, "%d destructor(s) found\n", destructors.number); | |
1428 | } | |
1429 | ||
68d69835 JM |
1430 | if (constructors.number == 0 && destructors.number == 0 |
1431 | #ifdef LDD_SUFFIX | |
1432 | /* If we will be running these functions ourselves, we want to emit | |
1433 | stubs into the shared library so that we don't have to relink | |
1434 | dependent programs when we add static objects. */ | |
1435 | && ! shared_obj | |
1436 | #endif | |
1437 | ) | |
a87104d9 MM |
1438 | { |
1439 | /* Strip now if it was requested on the command line. */ | |
1440 | if (strip_flag) | |
1441 | { | |
1442 | char **strip_argv = (char **) xcalloc (sizeof (char *), 3); | |
aee3a549 | 1443 | strip_argv[0] = strip_file_name; |
0cdd3ddd | 1444 | strip_argv[1] = output_file; |
a87104d9 | 1445 | strip_argv[2] = (char *) 0; |
aee3a549 | 1446 | fork_execute ("strip", strip_argv); |
a87104d9 MM |
1447 | } |
1448 | return 0; | |
1449 | } | |
4e81a331 | 1450 | |
eeed1288 | 1451 | maybe_unlink(output_file); |
4e81a331 RS |
1452 | outf = fopen (c_file, "w"); |
1453 | if (outf == (FILE *)0) | |
1fab8e81 | 1454 | fatal_perror ("%s", c_file); |
4e81a331 RS |
1455 | |
1456 | write_c_file (outf, c_file); | |
1457 | ||
1458 | if (fclose (outf)) | |
1fab8e81 | 1459 | fatal_perror ("closing %s", c_file); |
4e81a331 | 1460 | |
603b4064 RK |
1461 | /* Tell the linker that we have initializer and finalizer functions. */ |
1462 | #ifdef LD_INIT_SWITCH | |
1463 | *ld2++ = LD_INIT_SWITCH; | |
1464 | *ld2++ = initname; | |
1465 | *ld2++ = LD_FINI_SWITCH; | |
1466 | *ld2++ = fininame; | |
1467 | #endif | |
1468 | *ld2 = (char*)0; | |
1469 | ||
cbbbd917 JM |
1470 | #ifdef COLLECT_EXPORT_LIST |
1471 | if (shared_obj) | |
1472 | { | |
1473 | add_to_list (&exports, initname); | |
1474 | add_to_list (&exports, fininame); | |
603b4064 RK |
1475 | add_to_list (&exports, "_GLOBAL__DI"); |
1476 | add_to_list (&exports, "_GLOBAL__DD"); | |
cbbbd917 JM |
1477 | exportf = fopen (export_file, "w"); |
1478 | if (exportf == (FILE *)0) | |
1479 | fatal_perror ("%s", export_file); | |
1480 | write_export_file (exportf); | |
1481 | if (fclose (exportf)) | |
1482 | fatal_perror ("closing %s", export_file); | |
1483 | } | |
1484 | #endif | |
1485 | ||
4e81a331 RS |
1486 | if (debug) |
1487 | { | |
0cdd3ddd RS |
1488 | fprintf (stderr, "\n========== output_file = %s, c_file = %s\n", |
1489 | output_file, c_file); | |
4e81a331 RS |
1490 | write_c_file (stderr, "stderr"); |
1491 | fprintf (stderr, "========== end of c_file\n\n"); | |
cbbbd917 JM |
1492 | #ifdef COLLECT_EXPORT_LIST |
1493 | fprintf (stderr, "\n========== export_file = %s\n", export_file); | |
1494 | write_export_file (stderr); | |
1495 | fprintf (stderr, "========== end of export_file\n\n"); | |
1496 | #endif | |
4e81a331 RS |
1497 | } |
1498 | ||
1499 | /* Assemble the constructor and destructor tables. | |
1500 | Link the tables in with the rest of the program. */ | |
1501 | ||
aee3a549 RK |
1502 | fork_execute ("gcc", c_argv); |
1503 | fork_execute ("ld", ld2_argv); | |
4e81a331 RS |
1504 | |
1505 | /* Let scan_prog_file do any final mods (OSF/rose needs this for | |
1506 | constructors/destructors in shared libraries. */ | |
0cdd3ddd | 1507 | scan_prog_file (output_file, PASS_SECOND); |
4e81a331 RS |
1508 | |
1509 | maybe_unlink (c_file); | |
1510 | maybe_unlink (o_file); | |
cbbbd917 | 1511 | maybe_unlink (export_file); |
4e81a331 RS |
1512 | return 0; |
1513 | } | |
1514 | ||
1515 | \f | |
1516 | /* Wait for a process to finish, and exit if a non-zero status is found. */ | |
1517 | ||
a3184468 JM |
1518 | int |
1519 | collect_wait (prog) | |
4e81a331 RS |
1520 | char *prog; |
1521 | { | |
1522 | int status; | |
1523 | ||
1524 | wait (&status); | |
1525 | if (status) | |
1526 | { | |
0b90f9c2 | 1527 | if (WIFSIGNALED (status)) |
4e81a331 | 1528 | { |
0b90f9c2 | 1529 | int sig = WTERMSIG (status); |
ed5b9462 RS |
1530 | #ifdef NO_SYS_SIGLIST |
1531 | error ("%s terminated with signal %d %s", | |
1532 | prog, | |
1533 | sig, | |
1534 | (status & 0200) ? ", core dumped" : ""); | |
1535 | #else | |
4e81a331 RS |
1536 | error ("%s terminated with signal %d [%s]%s", |
1537 | prog, | |
1538 | sig, | |
1539 | sys_siglist[sig], | |
1540 | (status & 0200) ? ", core dumped" : ""); | |
ed5b9462 | 1541 | #endif |
4e81a331 | 1542 | |
a3184468 | 1543 | collect_exit (127); |
4e81a331 RS |
1544 | } |
1545 | ||
0b90f9c2 | 1546 | if (WIFEXITED (status)) |
a3184468 JM |
1547 | return WEXITSTATUS (status); |
1548 | } | |
1549 | return 0; | |
1550 | } | |
1551 | ||
1552 | static void | |
1553 | do_wait (prog) | |
1554 | char *prog; | |
1555 | { | |
1556 | int ret = collect_wait (prog); | |
1557 | if (ret != 0) | |
1558 | { | |
1559 | error ("%s returned %d exit status", prog, ret); | |
1560 | collect_exit (ret); | |
4e81a331 RS |
1561 | } |
1562 | } | |
1563 | ||
1564 | \f | |
1565 | /* Fork and execute a program, and wait for the reply. */ | |
1566 | ||
a3184468 JM |
1567 | void |
1568 | collect_execute (prog, argv, redir) | |
4e81a331 RS |
1569 | char *prog; |
1570 | char **argv; | |
a3184468 | 1571 | char *redir; |
4e81a331 RS |
1572 | { |
1573 | int pid; | |
4e81a331 RS |
1574 | |
1575 | if (vflag || debug) | |
1576 | { | |
1577 | char **p_argv; | |
1578 | char *str; | |
1579 | ||
aee3a549 RK |
1580 | if (argv[0]) |
1581 | fprintf (stderr, "%s", argv[0]); | |
bb59f9a6 | 1582 | else |
aee3a549 | 1583 | fprintf (stderr, "[cannot find %s]", prog); |
bb59f9a6 | 1584 | |
4e81a331 RS |
1585 | for (p_argv = &argv[1]; (str = *p_argv) != (char *)0; p_argv++) |
1586 | fprintf (stderr, " %s", str); | |
1587 | ||
1588 | fprintf (stderr, "\n"); | |
1589 | } | |
1590 | ||
1591 | fflush (stdout); | |
1592 | fflush (stderr); | |
1593 | ||
bb59f9a6 RS |
1594 | /* If we can't find a program we need, complain error. Do this here |
1595 | since we might not end up needing something that we couldn't find. */ | |
1596 | ||
aee3a549 RK |
1597 | if (argv[0] == 0) |
1598 | fatal ("cannot find `%s'", prog); | |
bb59f9a6 | 1599 | |
4e81a331 RS |
1600 | pid = vfork (); |
1601 | if (pid == -1) | |
cf0c751a JW |
1602 | { |
1603 | #ifdef vfork | |
1604 | fatal_perror ("fork"); | |
1605 | #else | |
1606 | fatal_perror ("vfork"); | |
1607 | #endif | |
1608 | } | |
4e81a331 RS |
1609 | |
1610 | if (pid == 0) /* child context */ | |
1611 | { | |
a3184468 JM |
1612 | if (redir) |
1613 | { | |
1614 | unlink (redir); | |
1615 | if (freopen (redir, "a", stdout) == NULL) | |
1616 | fatal_perror ("redirecting stdout"); | |
1617 | if (freopen (redir, "a", stderr) == NULL) | |
1618 | fatal_perror ("redirecting stderr"); | |
1619 | } | |
1620 | ||
aee3a549 | 1621 | execvp (argv[0], argv); |
1fab8e81 | 1622 | fatal_perror ("executing %s", prog); |
4e81a331 | 1623 | } |
a3184468 | 1624 | } |
4e81a331 | 1625 | |
a3184468 JM |
1626 | static void |
1627 | fork_execute (prog, argv) | |
1628 | char *prog; | |
1629 | char **argv; | |
1630 | { | |
1631 | collect_execute (prog, argv, NULL); | |
4e81a331 | 1632 | do_wait (prog); |
4e81a331 | 1633 | } |
4e81a331 RS |
1634 | \f |
1635 | /* Unlink a file unless we are debugging. */ | |
1636 | ||
1637 | static void | |
1638 | maybe_unlink (file) | |
1639 | char *file; | |
1640 | { | |
1641 | if (!debug) | |
1642 | unlink (file); | |
1643 | else | |
1644 | fprintf (stderr, "[Leaving %s]\n", file); | |
1645 | } | |
1646 | ||
1647 | \f | |
1648 | /* Add a name to a linked list. */ | |
1649 | ||
1650 | static void | |
1651 | add_to_list (head_ptr, name) | |
1652 | struct head *head_ptr; | |
1653 | char *name; | |
1654 | { | |
0393b857 JM |
1655 | struct id *newid |
1656 | = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1); | |
1657 | struct id *p; | |
4e81a331 | 1658 | static long sequence_number = 0; |
4e81a331 RS |
1659 | strcpy (newid->name, name); |
1660 | ||
1661 | if (head_ptr->first) | |
1662 | head_ptr->last->next = newid; | |
1663 | else | |
1664 | head_ptr->first = newid; | |
1665 | ||
0393b857 JM |
1666 | /* Check for duplicate symbols. */ |
1667 | for (p = head_ptr->first; | |
1668 | strcmp (name, p->name) != 0; | |
1669 | p = p->next) | |
1670 | ; | |
1671 | if (p != newid) | |
1672 | { | |
1673 | head_ptr->last->next = 0; | |
1674 | free (newid); | |
1675 | return; | |
1676 | } | |
1677 | ||
1678 | newid->sequence = ++sequence_number; | |
4e81a331 RS |
1679 | head_ptr->last = newid; |
1680 | head_ptr->number++; | |
1681 | } | |
1682 | ||
1683 | /* Write: `prefix', the names on list LIST, `suffix'. */ | |
1684 | ||
1685 | static void | |
1686 | write_list (stream, prefix, list) | |
1687 | FILE *stream; | |
1688 | char *prefix; | |
1689 | struct id *list; | |
1690 | { | |
1691 | while (list) | |
1692 | { | |
1693 | fprintf (stream, "%sx%d,\n", prefix, list->sequence); | |
1694 | list = list->next; | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | static void | |
1699 | write_list_with_asm (stream, prefix, list) | |
1700 | FILE *stream; | |
1701 | char *prefix; | |
1702 | struct id *list; | |
1703 | { | |
1704 | while (list) | |
1705 | { | |
c7af43d8 | 1706 | fprintf (stream, "%sx%d __asm__ (\"%s\");\n", |
4e81a331 RS |
1707 | prefix, list->sequence, list->name); |
1708 | list = list->next; | |
1709 | } | |
1710 | } | |
1711 | ||
68d69835 JM |
1712 | /* Write out the constructor and destructor tables statically (for a shared |
1713 | object), along with the functions to execute them. */ | |
1714 | ||
1715 | static void | |
1716 | write_c_file_stat (stream, name) | |
1717 | FILE *stream; | |
1718 | char *name; | |
1719 | { | |
1720 | char *prefix, *p, *q; | |
68d69835 JM |
1721 | |
1722 | /* Figure out name of output_file, stripping off .so version. */ | |
1723 | p = rindex (output_file, '/'); | |
1724 | if (p == 0) | |
1725 | p = (char *) output_file; | |
1726 | else | |
1727 | p++; | |
1728 | q = p; | |
1729 | while (q) | |
1730 | { | |
1731 | q = index (q,'.'); | |
1732 | if (q == 0) | |
1733 | { | |
1734 | q = p + strlen (p); | |
1735 | break; | |
1736 | } | |
1737 | else | |
1738 | { | |
1739 | if (strncmp (q, ".so", 3) == 0) | |
1740 | { | |
1741 | q += 3; | |
1742 | break; | |
1743 | } | |
1744 | else | |
1745 | q++; | |
1746 | } | |
1747 | } | |
1748 | /* q points to null at end of the string (or . of the .so version) */ | |
1749 | prefix = xmalloc (q - p + 1); | |
1750 | strncpy (prefix, p, q - p); | |
1751 | prefix[q - p] = 0; | |
1752 | for (q = prefix; *q; q++) | |
1753 | if (!isalnum (*q)) | |
1754 | *q = '_'; | |
1755 | if (debug) | |
1756 | fprintf (stderr, "\nwrite_c_file - output name is %s, prefix is %s\n", | |
1757 | output_file, prefix); | |
1758 | ||
1759 | #define INIT_NAME_FORMAT "_GLOBAL__FI_%s" | |
1760 | initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2); | |
1761 | sprintf (initname, INIT_NAME_FORMAT, prefix); | |
1762 | ||
1763 | #define FINI_NAME_FORMAT "_GLOBAL__FD_%s" | |
1764 | fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2); | |
1765 | sprintf (fininame, FINI_NAME_FORMAT, prefix); | |
1766 | ||
1767 | free (prefix); | |
1768 | ||
1769 | /* Write the tables as C code */ | |
1770 | ||
1771 | fprintf (stream, "static int count;\n"); | |
1772 | fprintf (stream, "typedef void entry_pt();\n"); | |
1773 | write_list_with_asm (stream, "extern entry_pt ", constructors.first); | |
1774 | fprintf (stream, "void %s() {\n", initname); | |
1775 | if (constructors.number > 0) | |
1776 | { | |
1777 | fprintf (stream, "\tstatic entry_pt *ctors[] = {\n"); | |
1778 | write_list (stream, "\t\t", constructors.first); | |
1779 | fprintf (stream, "\t};\n"); | |
1780 | fprintf (stream, "\tentry_pt **p;\n"); | |
1781 | fprintf (stream, "\tif (count++ != 0) return;\n"); | |
1782 | fprintf (stream, "\tp = ctors + %d;\n", constructors.number); | |
1783 | fprintf (stream, "\twhile (p > ctors) (*--p)();\n"); | |
1784 | } | |
603b4064 RK |
1785 | else |
1786 | fprintf (stream, "\t++count;\n"); | |
68d69835 JM |
1787 | fprintf (stream, "}\n"); |
1788 | write_list_with_asm (stream, "extern entry_pt ", destructors.first); | |
1789 | fprintf (stream, "void %s() {\n", fininame); | |
1790 | if (destructors.number > 0) | |
1791 | { | |
1792 | fprintf (stream, "\tstatic entry_pt *dtors[] = {\n"); | |
1793 | write_list (stream, "\t\t", destructors.first); | |
1794 | fprintf (stream, "\t};\n"); | |
1795 | fprintf (stream, "\tentry_pt **p;\n"); | |
1796 | fprintf (stream, "\tif (--count != 0) return;\n"); | |
1797 | fprintf (stream, "\tp = dtors;\n"); | |
1798 | fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n", | |
1799 | destructors.number); | |
1800 | } | |
1801 | fprintf (stream, "}\n"); | |
1802 | ||
603b4064 RK |
1803 | if (shared_obj) |
1804 | { | |
1805 | fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname); | |
1806 | fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame); | |
1807 | } | |
68d69835 JM |
1808 | } |
1809 | ||
4e81a331 RS |
1810 | /* Write the constructor/destructor tables. */ |
1811 | ||
1812 | static void | |
68d69835 | 1813 | write_c_file_glob (stream, name) |
4e81a331 RS |
1814 | FILE *stream; |
1815 | char *name; | |
1816 | { | |
1817 | /* Write the tables as C code */ | |
1818 | ||
1819 | fprintf (stream, "typedef void entry_pt();\n\n"); | |
1820 | ||
17704846 | 1821 | write_list_with_asm (stream, "extern entry_pt ", constructors.first); |
4e81a331 RS |
1822 | |
1823 | fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n"); | |
1824 | fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number); | |
ed5b9462 | 1825 | write_list (stream, "\t", constructors.first); |
4e81a331 RS |
1826 | fprintf (stream, "\t0\n};\n\n"); |
1827 | ||
17704846 | 1828 | write_list_with_asm (stream, "extern entry_pt ", destructors.first); |
4e81a331 RS |
1829 | |
1830 | fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n"); | |
1831 | fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number); | |
ed5b9462 | 1832 | write_list (stream, "\t", destructors.first); |
4e81a331 RS |
1833 | fprintf (stream, "\t0\n};\n\n"); |
1834 | ||
d6cf3187 RS |
1835 | fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN); |
1836 | fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN); | |
4e81a331 RS |
1837 | } |
1838 | ||
68d69835 JM |
1839 | static void |
1840 | write_c_file (stream, name) | |
1841 | FILE *stream; | |
1842 | char *name; | |
1843 | { | |
603b4064 RK |
1844 | #ifndef LD_INIT_SWITCH |
1845 | if (! shared_obj) | |
68d69835 | 1846 | write_c_file_glob (stream, name); |
603b4064 RK |
1847 | else |
1848 | #endif | |
1849 | write_c_file_stat (stream, name); | |
68d69835 | 1850 | } |
cbbbd917 JM |
1851 | |
1852 | static void | |
1853 | write_export_file (stream) | |
1854 | FILE *stream; | |
1855 | { | |
1856 | struct id *list = exports.first; | |
1857 | for (; list; list = list->next) | |
1858 | fprintf (stream, "%s\n", list->name); | |
1859 | } | |
4e81a331 | 1860 | \f |
ed5b9462 | 1861 | #ifdef OBJECT_FORMAT_NONE |
4e81a331 | 1862 | |
ed5b9462 RS |
1863 | /* Generic version to scan the name list of the loaded program for |
1864 | the symbols g++ uses for static constructors and destructors. | |
4e81a331 RS |
1865 | |
1866 | The constructor table begins at __CTOR_LIST__ and contains a count | |
1867 | of the number of pointers (or -1 if the constructors are built in a | |
1868 | separate section by the linker), followed by the pointers to the | |
1869 | constructor functions, terminated with a null pointer. The | |
1870 | destructor table has the same format, and begins at __DTOR_LIST__. */ | |
1871 | ||
1872 | static void | |
1873 | scan_prog_file (prog_name, which_pass) | |
1874 | char *prog_name; | |
1875 | enum pass which_pass; | |
1876 | { | |
ed5b9462 RS |
1877 | void (*int_handler) (); |
1878 | void (*quit_handler) (); | |
4e81a331 RS |
1879 | char *nm_argv[4]; |
1880 | int pid; | |
1881 | int argc = 0; | |
1882 | int pipe_fd[2]; | |
1883 | char *p, buf[1024]; | |
1884 | FILE *inf; | |
1885 | ||
68d69835 | 1886 | if (which_pass == PASS_SECOND) |
4e81a331 RS |
1887 | return; |
1888 | ||
bb59f9a6 RS |
1889 | /* If we don't have an `nm', complain. */ |
1890 | if (nm_file_name == 0) | |
1891 | fatal ("cannot find `nm'"); | |
1892 | ||
68d69835 | 1893 | nm_argv[argc++] = nm_file_name; |
4e81a331 | 1894 | if (NM_FLAGS[0] != '\0') |
ed5b9462 | 1895 | nm_argv[argc++] = NM_FLAGS; |
4e81a331 | 1896 | |
ed5b9462 RS |
1897 | nm_argv[argc++] = prog_name; |
1898 | nm_argv[argc++] = (char *)0; | |
4e81a331 RS |
1899 | |
1900 | if (pipe (pipe_fd) < 0) | |
1901 | fatal_perror ("pipe"); | |
1902 | ||
1903 | inf = fdopen (pipe_fd[0], "r"); | |
1904 | if (inf == (FILE *)0) | |
1905 | fatal_perror ("fdopen"); | |
1906 | ||
1907 | /* Trace if needed. */ | |
1908 | if (vflag) | |
1909 | { | |
1910 | char **p_argv; | |
1911 | char *str; | |
1912 | ||
68d69835 | 1913 | for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *)0; p_argv++) |
4e81a331 RS |
1914 | fprintf (stderr, " %s", str); |
1915 | ||
1916 | fprintf (stderr, "\n"); | |
1917 | } | |
1918 | ||
1919 | fflush (stdout); | |
1920 | fflush (stderr); | |
1921 | ||
1922 | /* Spawn child nm on pipe */ | |
1923 | pid = vfork (); | |
1924 | if (pid == -1) | |
cf0c751a JW |
1925 | { |
1926 | #ifdef vfork | |
1927 | fatal_perror ("fork"); | |
1928 | #else | |
1929 | fatal_perror ("vfork"); | |
1930 | #endif | |
1931 | } | |
4e81a331 RS |
1932 | |
1933 | if (pid == 0) /* child context */ | |
1934 | { | |
1935 | /* setup stdout */ | |
1936 | if (dup2 (pipe_fd[1], 1) < 0) | |
1fab8e81 | 1937 | fatal_perror ("dup2 (%d, 1)", pipe_fd[1]); |
4e81a331 RS |
1938 | |
1939 | if (close (pipe_fd[0]) < 0) | |
1fab8e81 | 1940 | fatal_perror ("close (%d)", pipe_fd[0]); |
4e81a331 RS |
1941 | |
1942 | if (close (pipe_fd[1]) < 0) | |
1fab8e81 | 1943 | fatal_perror ("close (%d)", pipe_fd[1]); |
4e81a331 RS |
1944 | |
1945 | execv (nm_file_name, nm_argv); | |
1fab8e81 | 1946 | fatal_perror ("executing %s", nm_file_name); |
4e81a331 RS |
1947 | } |
1948 | ||
1949 | /* Parent context from here on. */ | |
ed5b9462 | 1950 | int_handler = (void (*) ())signal (SIGINT, SIG_IGN); |
8ab861c7 | 1951 | #ifdef SIGQUIT |
ed5b9462 | 1952 | quit_handler = (void (*) ())signal (SIGQUIT, SIG_IGN); |
8ab861c7 | 1953 | #endif |
4e81a331 RS |
1954 | |
1955 | if (close (pipe_fd[1]) < 0) | |
1fab8e81 | 1956 | fatal_perror ("close (%d)", pipe_fd[1]); |
4e81a331 RS |
1957 | |
1958 | if (debug) | |
1959 | fprintf (stderr, "\nnm output with constructors/destructors.\n"); | |
1960 | ||
1961 | /* Read each line of nm output. */ | |
1962 | while (fgets (buf, sizeof buf, inf) != (char *)0) | |
1963 | { | |
1964 | int ch, ch2; | |
ed5b9462 | 1965 | char *name, *end; |
4e81a331 RS |
1966 | |
1967 | /* If it contains a constructor or destructor name, add the name | |
1968 | to the appropriate list. */ | |
1969 | ||
1970 | for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++) | |
68d69835 JM |
1971 | if (ch == ' ' && p[1] == 'U' && p[2] == ' ') |
1972 | break; | |
4e81a331 | 1973 | |
68d69835 | 1974 | if (ch != '_') |
4e81a331 | 1975 | continue; |
ed5b9462 RS |
1976 | |
1977 | name = p; | |
1978 | /* Find the end of the symbol name. | |
1979 | Don't include `|', because Encore nm can tack that on the end. */ | |
1980 | for (end = p; (ch2 = *end) != '\0' && !isspace (ch2) && ch2 != '|'; | |
1981 | end++) | |
1982 | continue; | |
4e81a331 | 1983 | |
90d326bd | 1984 | |
4e81a331 | 1985 | *end = '\0'; |
ed5b9462 | 1986 | switch (is_ctor_dtor (name)) |
4e81a331 | 1987 | { |
ed5b9462 | 1988 | case 1: |
68d69835 JM |
1989 | if (which_pass != PASS_LIB) |
1990 | add_to_list (&constructors, name); | |
ed5b9462 | 1991 | break; |
4e81a331 | 1992 | |
ed5b9462 | 1993 | case 2: |
68d69835 JM |
1994 | if (which_pass != PASS_LIB) |
1995 | add_to_list (&destructors, name); | |
1996 | break; | |
1997 | ||
1998 | case 3: | |
1999 | if (which_pass != PASS_LIB) | |
2000 | fatal ("init function found in object %s", prog_name); | |
35e530c5 | 2001 | #ifndef LD_INIT_SWITCH |
68d69835 | 2002 | add_to_list (&constructors, name); |
35e530c5 | 2003 | #endif |
68d69835 JM |
2004 | break; |
2005 | ||
2006 | case 4: | |
2007 | if (which_pass != PASS_LIB) | |
35e530c5 JM |
2008 | fatal ("fini function found in object %s", prog_name); |
2009 | #ifndef LD_FINI_SWITCH | |
ed5b9462 | 2010 | add_to_list (&destructors, name); |
35e530c5 | 2011 | #endif |
ed5b9462 | 2012 | break; |
4e81a331 | 2013 | |
ed5b9462 RS |
2014 | default: /* not a constructor or destructor */ |
2015 | continue; | |
4e81a331 RS |
2016 | } |
2017 | ||
4e81a331 RS |
2018 | if (debug) |
2019 | fprintf (stderr, "\t%s\n", buf); | |
2020 | } | |
2021 | ||
2022 | if (debug) | |
2023 | fprintf (stderr, "\n"); | |
2024 | ||
2025 | if (fclose (inf) != 0) | |
2026 | fatal_perror ("fclose of pipe"); | |
2027 | ||
2028 | do_wait (nm_file_name); | |
2029 | ||
2030 | signal (SIGINT, int_handler); | |
8ab861c7 | 2031 | #ifdef SIGQUIT |
4e81a331 | 2032 | signal (SIGQUIT, quit_handler); |
8ab861c7 | 2033 | #endif |
4e81a331 RS |
2034 | } |
2035 | ||
a3184468 | 2036 | #if SUNOS4_SHARED_LIBRARIES |
68d69835 JM |
2037 | |
2038 | /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries | |
2039 | that the output file depends upon and their initialization/finalization | |
2040 | routines, if any. */ | |
2041 | ||
2042 | #include <a.out.h> | |
2043 | #include <fcntl.h> | |
2044 | #include <link.h> | |
2045 | #include <sys/mman.h> | |
2046 | #include <sys/param.h> | |
2047 | #include <sys/unistd.h> | |
28aaf32b | 2048 | #include <sys/dir.h> |
68d69835 JM |
2049 | |
2050 | /* pointers to the object file */ | |
2051 | unsigned object; /* address of memory mapped file */ | |
2052 | unsigned objsize; /* size of memory mapped to file */ | |
2053 | char * code; /* pointer to code segment */ | |
2054 | char * data; /* pointer to data segment */ | |
2055 | struct nlist *symtab; /* pointer to symbol table */ | |
2056 | struct link_dynamic *ld; | |
2057 | struct link_dynamic_2 *ld_2; | |
2058 | struct head libraries; | |
2059 | ||
2060 | /* Map the file indicated by NAME into memory and store its address. */ | |
2061 | ||
2062 | static void | |
2063 | mapfile (name) | |
2064 | char *name; | |
2065 | { | |
2066 | int fp; | |
2067 | struct stat s; | |
2068 | if ((fp = open (name, O_RDONLY)) == -1) | |
2069 | fatal ("unable to open file '%s'", name); | |
2070 | if (fstat (fp, &s) == -1) | |
2071 | fatal ("unable to stat file '%s'", name); | |
2072 | ||
2073 | objsize = s.st_size; | |
2074 | object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE, | |
2075 | fp, 0); | |
2076 | if (object == -1) | |
2077 | fatal ("unable to mmap file '%s'", name); | |
2078 | ||
2079 | close (fp); | |
2080 | } | |
2081 | ||
28aaf32b JM |
2082 | /* Helpers for locatelib. */ |
2083 | ||
2084 | static char *libname; | |
2085 | ||
2086 | static int | |
2087 | libselect (d) | |
2088 | struct direct *d; | |
2089 | { | |
2090 | return (strncmp (libname, d->d_name, strlen (libname)) == 0); | |
2091 | } | |
2092 | ||
2093 | static int | |
2094 | libcompare (d1, d2) | |
2095 | struct direct **d1, **d2; | |
2096 | { | |
2097 | int i1, i2 = strlen (libname); | |
2098 | char *e1 = (*d1)->d_name + i2; | |
2099 | char *e2 = (*d2)->d_name + i2; | |
2100 | ||
2101 | while (*e1 && *e2) | |
2102 | { | |
2103 | ++e1; | |
2104 | ++e2; | |
2105 | i1 = strtol (e1, &e1, 10); | |
2106 | i2 = strtol (e2, &e2, 10); | |
2107 | if (i1 != i2) | |
2108 | return i1 - i2; | |
2109 | } | |
2110 | ||
2111 | if (*e1) | |
2112 | return 1; | |
2113 | else if (*e2) | |
2114 | return -1; | |
2115 | else | |
2116 | return 0; | |
2117 | } | |
2118 | ||
68d69835 JM |
2119 | /* Given the name NAME of a dynamic dependency, find its pathname and add |
2120 | it to the list of libraries. */ | |
2121 | ||
2122 | static void | |
2123 | locatelib (name) | |
2124 | char *name; | |
2125 | { | |
2126 | static char **l; | |
2127 | static int cnt; | |
2128 | char buf[MAXPATHLEN]; | |
2129 | char *p, *q; | |
2130 | char **pp; | |
2131 | ||
2132 | if (l == 0) | |
2133 | { | |
2134 | char *ld_rules; | |
2135 | char *ldr = 0; | |
2136 | /* counting elements in array, need 1 extra for null */ | |
2137 | cnt = 1; | |
2138 | ld_rules = (char *) (ld_2->ld_rules + code); | |
2139 | if (ld_rules) | |
2140 | { | |
2141 | cnt++; | |
2142 | for (; *ld_rules != 0; ld_rules++) | |
2143 | if (*ld_rules == ':') | |
2144 | cnt++; | |
2145 | ld_rules = (char *) (ld_2->ld_rules + code); | |
2146 | ldr = (char *) malloc (strlen (ld_rules) + 1); | |
2147 | strcpy (ldr, ld_rules); | |
2148 | } | |
2149 | p = getenv ("LD_LIBRARY_PATH"); | |
2150 | q = 0; | |
2151 | if (p) | |
2152 | { | |
2153 | cnt++; | |
2154 | for (q = p ; *q != 0; q++) | |
2155 | if (*q == ':') | |
2156 | cnt++; | |
2157 | q = (char *) malloc (strlen (p) + 1); | |
2158 | strcpy (q, p); | |
2159 | } | |
2160 | l = (char **) malloc ((cnt + 3) * sizeof (char *)); | |
2161 | pp = l; | |
2162 | if (ldr) | |
2163 | { | |
2164 | *pp++ = ldr; | |
2165 | for (; *ldr != 0; ldr++) | |
2166 | if (*ldr == ':') | |
2167 | { | |
2168 | *ldr++ = 0; | |
2169 | *pp++ = ldr; | |
2170 | } | |
2171 | } | |
2172 | if (q) | |
2173 | { | |
2174 | *pp++ = q; | |
2175 | for (; *q != 0; q++) | |
2176 | if (*q == ':') | |
2177 | { | |
2178 | *q++ = 0; | |
2179 | *pp++ = p; | |
2180 | } | |
2181 | } | |
2182 | /* built in directories are /lib, /usr/lib, and /usr/local/lib */ | |
2183 | *pp++ = "/lib"; | |
2184 | *pp++ = "/usr/lib"; | |
2185 | *pp++ = "/usr/local/lib"; | |
2186 | *pp = 0; | |
2187 | } | |
28aaf32b | 2188 | libname = name; |
68d69835 JM |
2189 | for (pp = l; *pp != 0 ; pp++) |
2190 | { | |
28aaf32b JM |
2191 | struct direct **namelist; |
2192 | int entries; | |
2193 | if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0) | |
68d69835 | 2194 | { |
28aaf32b | 2195 | sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name); |
68d69835 JM |
2196 | add_to_list (&libraries, buf); |
2197 | if (debug) | |
2198 | fprintf (stderr, "%s\n", buf); | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | if (*pp == 0) | |
2203 | { | |
2204 | if (debug) | |
2205 | fprintf (stderr, "not found\n"); | |
2206 | else | |
2207 | fatal ("dynamic dependency %s not found", name); | |
2208 | } | |
2209 | } | |
2210 | ||
2211 | /* Scan the _DYNAMIC structure of the output file to find shared libraries | |
2212 | that it depends upon and any constructors or destructors they contain. */ | |
2213 | ||
2214 | static void | |
2215 | scan_libraries (prog_name) | |
2216 | char *prog_name; | |
2217 | { | |
2218 | struct exec *header; | |
2219 | char *base; | |
2220 | struct link_object *lo; | |
2221 | char buff[MAXPATHLEN]; | |
2222 | struct id *list; | |
2223 | ||
2224 | mapfile (prog_name); | |
2225 | header = (struct exec *)object; | |
2226 | if (N_BADMAG (*header)) | |
2227 | fatal ("bad magic number in file '%s'", prog_name); | |
2228 | if (header->a_dynamic == 0) | |
2229 | return; | |
2230 | ||
2231 | code = (char *) (N_TXTOFF (*header) + (long) header); | |
2232 | data = (char *) (N_DATOFF (*header) + (long) header); | |
2233 | symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header); | |
2234 | ||
2235 | if (header->a_magic == ZMAGIC && header->a_entry == 0x20) | |
2236 | { | |
2237 | /* shared object */ | |
2238 | ld = (struct link_dynamic *) (symtab->n_value + code); | |
2239 | base = code; | |
2240 | } | |
2241 | else | |
2242 | { | |
2243 | /* executable */ | |
2244 | ld = (struct link_dynamic *) data; | |
2245 | base = code-PAGSIZ; | |
2246 | } | |
2247 | ||
2248 | if (debug) | |
2249 | fprintf (stderr, "dynamic dependencies.\n"); | |
2250 | ||
2251 | ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base); | |
2252 | for (lo = (struct link_object *) ld_2->ld_need; lo; | |
2253 | lo = (struct link_object *) lo->lo_next) | |
2254 | { | |
2255 | char *name; | |
2256 | lo = (struct link_object *) ((long) lo + code); | |
2257 | name = (char *) (code + lo->lo_name); | |
2258 | if (lo->lo_library) | |
2259 | { | |
2260 | if (debug) | |
2261 | fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major); | |
2262 | sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor); | |
2263 | locatelib (buff); | |
2264 | } | |
2265 | else | |
2266 | { | |
2267 | if (debug) | |
2268 | fprintf (stderr, "\t%s\n", name); | |
2269 | add_to_list (&libraries, name); | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | if (debug) | |
2274 | fprintf (stderr, "\n"); | |
2275 | ||
2276 | /* now iterate through the library list adding their symbols to | |
2277 | the list. */ | |
2278 | for (list = libraries.first; list; list = list->next) | |
2279 | scan_prog_file (list->name, PASS_LIB); | |
2280 | } | |
2281 | ||
2282 | #else /* SUNOS4_SHARED_LIBRARIES */ | |
2283 | #ifdef LDD_SUFFIX | |
2284 | ||
2285 | /* Use the List Dynamic Dependencies program to find shared libraries that | |
2286 | the output file depends upon and their initialization/finalization | |
2287 | routines, if any. */ | |
2288 | ||
2289 | static void | |
2290 | scan_libraries (prog_name) | |
2291 | char *prog_name; | |
2292 | { | |
2293 | static struct head libraries; /* list of shared libraries found */ | |
2294 | struct id *list; | |
2295 | void (*int_handler) (); | |
2296 | void (*quit_handler) (); | |
2297 | char *ldd_argv[4]; | |
2298 | int pid; | |
2299 | int argc = 0; | |
2300 | int pipe_fd[2]; | |
2301 | char buf[1024]; | |
2302 | FILE *inf; | |
2303 | ||
2304 | /* If we don't have an `ldd', complain. */ | |
2305 | if (ldd_file_name == 0) | |
2306 | { | |
2307 | error ("cannot find `ldd'"); | |
2308 | return; | |
2309 | } | |
2310 | ||
2311 | ldd_argv[argc++] = ldd_file_name; | |
2312 | ldd_argv[argc++] = prog_name; | |
2313 | ldd_argv[argc++] = (char *) 0; | |
2314 | ||
2315 | if (pipe (pipe_fd) < 0) | |
2316 | fatal_perror ("pipe"); | |
2317 | ||
2318 | inf = fdopen (pipe_fd[0], "r"); | |
2319 | if (inf == (FILE *) 0) | |
2320 | fatal_perror ("fdopen"); | |
2321 | ||
2322 | /* Trace if needed. */ | |
2323 | if (vflag) | |
2324 | { | |
2325 | char **p_argv; | |
2326 | char *str; | |
2327 | ||
2328 | for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++) | |
2329 | fprintf (stderr, " %s", str); | |
2330 | ||
2331 | fprintf (stderr, "\n"); | |
2332 | } | |
2333 | ||
2334 | fflush (stdout); | |
2335 | fflush (stderr); | |
2336 | ||
2337 | /* Spawn child ldd on pipe */ | |
2338 | pid = vfork (); | |
2339 | if (pid == -1) | |
2340 | { | |
2341 | #ifdef vfork | |
2342 | fatal_perror ("fork"); | |
2343 | #else | |
2344 | fatal_perror ("vfork"); | |
2345 | #endif | |
2346 | } | |
2347 | ||
2348 | if (pid == 0) /* child context */ | |
2349 | { | |
2350 | /* setup stdout */ | |
2351 | if (dup2 (pipe_fd[1], 1) < 0) | |
2352 | fatal_perror ("dup2 (%d, 1)", pipe_fd[1]); | |
2353 | ||
2354 | if (close (pipe_fd[0]) < 0) | |
2355 | fatal_perror ("close (%d)", pipe_fd[0]); | |
2356 | ||
2357 | if (close (pipe_fd[1]) < 0) | |
2358 | fatal_perror ("close (%d)", pipe_fd[1]); | |
2359 | ||
2360 | execv (ldd_file_name, ldd_argv); | |
2361 | fatal_perror ("executing %s", ldd_file_name); | |
2362 | } | |
2363 | ||
2364 | /* Parent context from here on. */ | |
2365 | int_handler = (void (*) ()) signal (SIGINT, SIG_IGN); | |
2366 | #ifdef SIGQUIT | |
2367 | quit_handler = (void (*) ()) signal (SIGQUIT, SIG_IGN); | |
2368 | #endif | |
2369 | ||
2370 | if (close (pipe_fd[1]) < 0) | |
2371 | fatal_perror ("close (%d)", pipe_fd[1]); | |
2372 | ||
2373 | if (debug) | |
2374 | fprintf (stderr, "\nldd output with constructors/destructors.\n"); | |
2375 | ||
2376 | /* Read each line of ldd output. */ | |
2377 | while (fgets (buf, sizeof buf, inf) != (char *) 0) | |
2378 | { | |
2379 | int ch, ch2; | |
2380 | char *name, *end, *p = buf; | |
2381 | ||
2382 | /* Extract names of libraries and add to list. */ | |
2383 | PARSE_LDD_OUTPUT (p); | |
2384 | if (p == 0) | |
2385 | continue; | |
2386 | ||
2387 | name = p; | |
2388 | if (strncmp (name, "not found", sizeof ("not found") - 1) == 0) | |
2389 | fatal ("dynamic dependency %s not found", buf); | |
2390 | ||
2391 | /* Find the end of the symbol name. */ | |
2392 | for (end = p; | |
2393 | (ch2 = *end) != '\0' && ch2 != '\n' && !isspace (ch2) && ch2 != '|'; | |
2394 | end++) | |
2395 | continue; | |
2396 | *end = '\0'; | |
2397 | ||
2398 | if (access (name, R_OK) == 0) | |
2399 | add_to_list (&libraries, name); | |
2400 | else | |
2401 | fatal ("unable to open dynamic dependency '%s'", buf); | |
2402 | ||
2403 | if (debug) | |
2404 | fprintf (stderr, "\t%s\n", buf); | |
2405 | } | |
2406 | if (debug) | |
2407 | fprintf (stderr, "\n"); | |
2408 | ||
2409 | if (fclose (inf) != 0) | |
2410 | fatal_perror ("fclose of pipe"); | |
2411 | ||
2412 | do_wait (ldd_file_name); | |
2413 | ||
2414 | signal (SIGINT, int_handler); | |
2415 | #ifdef SIGQUIT | |
2416 | signal (SIGQUIT, quit_handler); | |
2417 | #endif | |
2418 | ||
2419 | /* now iterate through the library list adding their symbols to | |
2420 | the list. */ | |
2421 | for (list = libraries.first; list; list = list->next) | |
2422 | scan_prog_file (list->name, PASS_LIB); | |
2423 | } | |
2424 | ||
2425 | #endif /* LDD_SUFFIX */ | |
2426 | #endif /* SUNOS4_SHARED_LIBRARIES */ | |
2427 | ||
ed5b9462 RS |
2428 | #endif /* OBJECT_FORMAT_NONE */ |
2429 | ||
2430 | \f | |
2431 | /* | |
2432 | * COFF specific stuff. | |
2433 | */ | |
2434 | ||
2435 | #ifdef OBJECT_FORMAT_COFF | |
2436 | ||
2437 | #if defined(EXTENDED_COFF) | |
17704846 JW |
2438 | # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax) |
2439 | # define GCC_SYMENT SYMR | |
2440 | # define GCC_OK_SYMBOL(X) ((X).st == stProc && (X).sc == scText) | |
2441 | # define GCC_SYMINC(X) (1) | |
2442 | # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax) | |
2443 | # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0) | |
ed5b9462 | 2444 | #else |
17704846 JW |
2445 | # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms) |
2446 | # define GCC_SYMENT SYMENT | |
ed5b9462 RS |
2447 | # define GCC_OK_SYMBOL(X) \ |
2448 | (((X).n_sclass == C_EXT) && \ | |
2449 | (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) || \ | |
2450 | ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))) | |
17704846 JW |
2451 | # define GCC_SYMINC(X) ((X).n_numaux+1) |
2452 | # define GCC_SYMZERO(X) 0 | |
2453 | # define GCC_CHECK_HDR(X) (1) | |
ed5b9462 RS |
2454 | #endif |
2455 | ||
2456 | extern char *ldgetname (); | |
2457 | ||
2458 | /* COFF version to scan the name list of the loaded program for | |
2459 | the symbols g++ uses for static constructors and destructors. | |
2460 | ||
2461 | The constructor table begins at __CTOR_LIST__ and contains a count | |
2462 | of the number of pointers (or -1 if the constructors are built in a | |
2463 | separate section by the linker), followed by the pointers to the | |
2464 | constructor functions, terminated with a null pointer. The | |
2465 | destructor table has the same format, and begins at __DTOR_LIST__. */ | |
2466 | ||
2467 | static void | |
2468 | scan_prog_file (prog_name, which_pass) | |
2469 | char *prog_name; | |
2470 | enum pass which_pass; | |
2471 | { | |
f3c3d3df | 2472 | LDFILE *ldptr = NULL; |
ed5b9462 RS |
2473 | int sym_index, sym_count; |
2474 | ||
cbbbd917 | 2475 | if (which_pass != PASS_FIRST && which_pass != PASS_OBJ) |
ed5b9462 RS |
2476 | return; |
2477 | ||
2478 | if ((ldptr = ldopen (prog_name, ldptr)) == NULL) | |
2479 | fatal ("%s: can't open as COFF file", prog_name); | |
2480 | ||
e99467d2 | 2481 | if (!MY_ISCOFF (HEADER (ldptr).f_magic)) |
ed5b9462 RS |
2482 | fatal ("%s: not a COFF file", prog_name); |
2483 | ||
17704846 | 2484 | if (GCC_CHECK_HDR (ldptr)) |
ed5b9462 | 2485 | { |
17704846 JW |
2486 | sym_count = GCC_SYMBOLS (ldptr); |
2487 | sym_index = GCC_SYMZERO (ldptr); | |
2488 | while (sym_index < sym_count) | |
2489 | { | |
2490 | GCC_SYMENT symbol; | |
ed5b9462 | 2491 | |
17704846 JW |
2492 | if (ldtbread (ldptr, sym_index, &symbol) <= 0) |
2493 | break; | |
2494 | sym_index += GCC_SYMINC (symbol); | |
ed5b9462 | 2495 | |
17704846 JW |
2496 | if (GCC_OK_SYMBOL (symbol)) |
2497 | { | |
2498 | char *name; | |
ed5b9462 | 2499 | |
17704846 JW |
2500 | if ((name = ldgetname (ldptr, &symbol)) == NULL) |
2501 | continue; /* should never happen */ | |
ed5b9462 | 2502 | |
cbbbd917 JM |
2503 | #ifdef XCOFF_DEBUGGING_INFO |
2504 | /* All AIX function names have a duplicate entry beginning | |
2505 | with a dot. */ | |
2506 | if (*name == '.') | |
d36c3fe2 | 2507 | ++name; |
ed5b9462 RS |
2508 | #endif |
2509 | ||
17704846 JW |
2510 | switch (is_ctor_dtor (name)) |
2511 | { | |
2512 | case 1: | |
2513 | add_to_list (&constructors, name); | |
cbbbd917 JM |
2514 | if (which_pass == PASS_OBJ) |
2515 | add_to_list (&exports, name); | |
17704846 | 2516 | break; |
ed5b9462 | 2517 | |
17704846 JW |
2518 | case 2: |
2519 | add_to_list (&destructors, name); | |
cbbbd917 JM |
2520 | if (which_pass == PASS_OBJ) |
2521 | add_to_list (&exports, name); | |
17704846 | 2522 | break; |
ed5b9462 | 2523 | |
17704846 | 2524 | default: /* not a constructor or destructor */ |
cbbbd917 JM |
2525 | if (which_pass == PASS_OBJ && auto_export) |
2526 | add_to_list (&exports, name); | |
17704846 JW |
2527 | continue; |
2528 | } | |
ed5b9462 RS |
2529 | |
2530 | #if !defined(EXTENDED_COFF) | |
17704846 JW |
2531 | if (debug) |
2532 | fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n", | |
2533 | symbol.n_scnum, symbol.n_sclass, | |
2534 | (symbol.n_type ? "0" : ""), symbol.n_type, | |
2535 | name); | |
ed5b9462 | 2536 | #else |
17704846 JW |
2537 | if (debug) |
2538 | fprintf (stderr, "\tiss = %5d, value = %5d, index = %5d, name = %s\n", | |
2539 | symbol.iss, symbol.value, symbol.index, name); | |
ed5b9462 | 2540 | #endif |
17704846 | 2541 | } |
ed5b9462 RS |
2542 | } |
2543 | } | |
2544 | ||
2545 | (void) ldclose(ldptr); | |
2546 | } | |
2547 | ||
2548 | #endif /* OBJECT_FORMAT_COFF */ | |
4e81a331 RS |
2549 | |
2550 | \f | |
2551 | /* | |
2552 | * OSF/rose specific stuff. | |
2553 | */ | |
2554 | ||
2555 | #ifdef OBJECT_FORMAT_ROSE | |
2556 | ||
2557 | /* Union of the various load commands */ | |
2558 | ||
2559 | typedef union load_union | |
2560 | { | |
2561 | ldc_header_t hdr; /* common header */ | |
2562 | load_cmd_map_command_t map; /* map indexing other load cmds */ | |
ed5b9462 | 2563 | interpreter_command_t iprtr; /* interpreter pathname */ |
4e81a331 RS |
2564 | strings_command_t str; /* load commands strings section */ |
2565 | region_command_t region; /* region load command */ | |
2566 | reloc_command_t reloc; /* relocation section */ | |
2567 | package_command_t pkg; /* package load command */ | |
2568 | symbols_command_t sym; /* symbol sections */ | |
2569 | entry_command_t ent; /* program start section */ | |
2570 | gen_info_command_t info; /* object information */ | |
2571 | func_table_command_t func; /* function constructors/destructors */ | |
2572 | } load_union_t; | |
2573 | ||
2574 | /* Structure to point to load command and data section in memory. */ | |
2575 | ||
2576 | typedef struct load_all | |
2577 | { | |
2578 | load_union_t *load; /* load command */ | |
2579 | char *section; /* pointer to section */ | |
2580 | } load_all_t; | |
2581 | ||
2582 | /* Structure to contain information about a file mapped into memory. */ | |
2583 | ||
2584 | struct file_info | |
2585 | { | |
2586 | char *start; /* start of map */ | |
2587 | char *name; /* filename */ | |
2588 | long size; /* size of the file */ | |
2589 | long rounded_size; /* size rounded to page boundary */ | |
2590 | int fd; /* file descriptor */ | |
2591 | int rw; /* != 0 if opened read/write */ | |
2592 | int use_mmap; /* != 0 if mmap'ed */ | |
2593 | }; | |
2594 | ||
ed5b9462 | 2595 | extern int decode_mach_o_hdr (); |
ed5b9462 | 2596 | extern int encode_mach_o_hdr (); |
4e81a331 | 2597 | |
4d1a011f RK |
2598 | static void add_func_table PROTO((mo_header_t *, load_all_t *, |
2599 | symbol_info_t *, int)); | |
2600 | static void print_header PROTO((mo_header_t *)); | |
2601 | static void print_load_command PROTO((load_union_t*, size_t, int)); | |
2602 | static void bad_header PROTO((int)); | |
357a98f1 | 2603 | static struct file_info *read_file PROTO((char *, int, int)); |
4d1a011f | 2604 | static void end_file PROTO((struct file_info *)); |
4e81a331 RS |
2605 | \f |
2606 | /* OSF/rose specific version to scan the name list of the loaded | |
2607 | program for the symbols g++ uses for static constructors and | |
2608 | destructors. | |
2609 | ||
2610 | The constructor table begins at __CTOR_LIST__ and contains a count | |
2611 | of the number of pointers (or -1 if the constructors are built in a | |
2612 | separate section by the linker), followed by the pointers to the | |
2613 | constructor functions, terminated with a null pointer. The | |
2614 | destructor table has the same format, and begins at __DTOR_LIST__. */ | |
2615 | ||
2616 | static void | |
2617 | scan_prog_file (prog_name, which_pass) | |
2618 | char *prog_name; | |
2619 | enum pass which_pass; | |
2620 | { | |
2621 | char *obj; | |
2622 | mo_header_t hdr; | |
2623 | load_all_t *load_array; | |
2624 | load_all_t *load_end; | |
2625 | load_all_t *load_cmd; | |
2626 | int symbol_load_cmds; | |
2627 | off_t offset; | |
2628 | int i; | |
2629 | int num_syms; | |
2630 | int status; | |
2631 | char *str_sect; | |
2632 | struct file_info *obj_file; | |
2633 | int prog_fd; | |
2634 | mo_lcid_t cmd_strings = -1; | |
2635 | symbol_info_t *main_sym = 0; | |
2636 | int rw = (which_pass != PASS_FIRST); | |
2637 | ||
2638 | prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY); | |
2639 | if (prog_fd < 0) | |
1fab8e81 | 2640 | fatal_perror ("can't read %s", prog_name); |
4e81a331 RS |
2641 | |
2642 | obj_file = read_file (prog_name, prog_fd, rw); | |
2643 | obj = obj_file->start; | |
2644 | ||
2645 | status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr); | |
2646 | if (status != MO_HDR_CONV_SUCCESS) | |
2647 | bad_header (status); | |
2648 | ||
2649 | ||
2650 | /* Do some basic sanity checks. Note we explicitly use the big endian magic number, | |
2651 | since the hardware will automatically swap bytes for us on loading little endian | |
2652 | integers. */ | |
2653 | ||
2654 | #ifndef CROSS_COMPILE | |
2655 | if (hdr.moh_magic != MOH_MAGIC_MSB | |
2656 | || hdr.moh_header_version != MOH_HEADER_VERSION | |
2657 | || hdr.moh_byte_order != OUR_BYTE_ORDER | |
2658 | || hdr.moh_data_rep_id != OUR_DATA_REP_ID | |
2659 | || hdr.moh_cpu_type != OUR_CPU_TYPE | |
2660 | || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE | |
2661 | || hdr.moh_vendor_type != OUR_VENDOR_TYPE) | |
2662 | { | |
1fab8e81 | 2663 | fatal ("incompatibilities between object file & expected values"); |
4e81a331 RS |
2664 | } |
2665 | #endif | |
2666 | ||
2667 | if (debug) | |
2668 | print_header (&hdr); | |
2669 | ||
2670 | offset = hdr.moh_first_cmd_off; | |
2671 | load_end = load_array | |
2672 | = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2); | |
2673 | ||
2674 | /* Build array of load commands, calculating the offsets */ | |
2675 | for (i = 0; i < hdr.moh_n_load_cmds; i++) | |
2676 | { | |
2677 | load_union_t *load_hdr; /* load command header */ | |
2678 | ||
2679 | load_cmd = load_end++; | |
2680 | load_hdr = (load_union_t *) (obj + offset); | |
2681 | ||
f72aed24 | 2682 | /* If modifying the program file, copy the header. */ |
4e81a331 RS |
2683 | if (rw) |
2684 | { | |
2685 | load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size); | |
4c9a05bc | 2686 | bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size); |
4e81a331 RS |
2687 | load_hdr = ptr; |
2688 | ||
2689 | /* null out old command map, because we will rewrite at the end. */ | |
2690 | if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP) | |
2691 | { | |
2692 | cmd_strings = ptr->map.lcm_ld_cmd_strings; | |
2693 | ptr->hdr.ldci_cmd_type = LDC_UNDEFINED; | |
2694 | } | |
2695 | } | |
2696 | ||
2697 | load_cmd->load = load_hdr; | |
2698 | if (load_hdr->hdr.ldci_section_off > 0) | |
2699 | load_cmd->section = obj + load_hdr->hdr.ldci_section_off; | |
2700 | ||
2701 | if (debug) | |
2702 | print_load_command (load_hdr, offset, i); | |
2703 | ||
2704 | offset += load_hdr->hdr.ldci_cmd_size; | |
2705 | } | |
2706 | ||
2707 | /* If the last command is the load command map and is not undefined, | |
2708 | decrement the count of load commands. */ | |
2709 | if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED) | |
2710 | { | |
2711 | load_end--; | |
2712 | hdr.moh_n_load_cmds--; | |
2713 | } | |
2714 | ||
2715 | /* Go through and process each symbol table section. */ | |
2716 | symbol_load_cmds = 0; | |
2717 | for (load_cmd = load_array; load_cmd < load_end; load_cmd++) | |
2718 | { | |
2719 | load_union_t *load_hdr = load_cmd->load; | |
2720 | ||
2721 | if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS) | |
2722 | { | |
2723 | symbol_load_cmds++; | |
2724 | ||
2725 | if (debug) | |
2726 | { | |
ed5b9462 | 2727 | char *kind = "unknown"; |
4e81a331 RS |
2728 | |
2729 | switch (load_hdr->sym.symc_kind) | |
2730 | { | |
2731 | case SYMC_IMPORTS: kind = "imports"; break; | |
2732 | case SYMC_DEFINED_SYMBOLS: kind = "defined"; break; | |
2733 | case SYMC_STABS: kind = "stabs"; break; | |
2734 | } | |
2735 | ||
2736 | fprintf (stderr, "\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n", | |
2737 | symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind); | |
2738 | } | |
2739 | ||
2740 | if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS) | |
2741 | continue; | |
2742 | ||
ed5b9462 | 2743 | str_sect = load_array[load_hdr->sym.symc_strings_section].section; |
4e81a331 RS |
2744 | if (str_sect == (char *)0) |
2745 | fatal ("string section missing"); | |
2746 | ||
2747 | if (load_cmd->section == (char *)0) | |
2748 | fatal ("section pointer missing"); | |
2749 | ||
2750 | num_syms = load_hdr->sym.symc_nentries; | |
2751 | for (i = 0; i < num_syms; i++) | |
2752 | { | |
2753 | symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i; | |
2754 | char *name = sym->si_name.symbol_name + str_sect; | |
4e81a331 RS |
2755 | |
2756 | if (name[0] != '_') | |
2757 | continue; | |
2758 | ||
4e81a331 RS |
2759 | if (rw) |
2760 | { | |
d6cf3187 RS |
2761 | char *n = name + strlen (name) - strlen (NAME__MAIN); |
2762 | ||
2763 | if ((n - name) < 0 || strcmp (n, NAME__MAIN)) | |
4e81a331 | 2764 | continue; |
d6cf3187 RS |
2765 | while (n != name) |
2766 | if (*--n != '_') | |
2767 | continue; | |
4e81a331 RS |
2768 | |
2769 | main_sym = sym; | |
2770 | } | |
ed5b9462 | 2771 | else |
4e81a331 | 2772 | { |
ed5b9462 RS |
2773 | switch (is_ctor_dtor (name)) |
2774 | { | |
2775 | case 1: | |
2776 | add_to_list (&constructors, name); | |
2777 | break; | |
2778 | ||
2779 | case 2: | |
2780 | add_to_list (&destructors, name); | |
2781 | break; | |
2782 | ||
2783 | default: /* not a constructor or destructor */ | |
2784 | continue; | |
2785 | } | |
4e81a331 RS |
2786 | } |
2787 | ||
4e81a331 RS |
2788 | if (debug) |
2789 | fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n", | |
2790 | sym->si_type, sym->si_sc_type, sym->si_flags, name); | |
2791 | } | |
2792 | } | |
2793 | } | |
2794 | ||
2795 | if (symbol_load_cmds == 0) | |
1fab8e81 | 2796 | fatal ("no symbol table found"); |
4e81a331 RS |
2797 | |
2798 | /* Update the program file now, rewrite header and load commands. At present, | |
2799 | we assume that there is enough space after the last load command to insert | |
2800 | one more. Since the first section written out is page aligned, and the | |
2801 | number of load commands is small, this is ok for the present. */ | |
2802 | ||
2803 | if (rw) | |
2804 | { | |
2805 | load_union_t *load_map; | |
2806 | size_t size; | |
2807 | ||
2808 | if (cmd_strings == -1) | |
1fab8e81 RS |
2809 | fatal ("no cmd_strings found"); |
2810 | ||
2811 | /* Add __main to initializer list. | |
2812 | If we are building a program instead of a shared library, don't | |
2813 | do anything, since in the current version, you cannot do mallocs | |
2814 | and such in the constructors. */ | |
4e81a331 | 2815 | |
1fab8e81 RS |
2816 | if (main_sym != (symbol_info_t *)0 |
2817 | && ((hdr.moh_flags & MOH_EXECABLE_F) == 0)) | |
4e81a331 RS |
2818 | add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION); |
2819 | ||
2820 | if (debug) | |
2821 | fprintf (stderr, "\nUpdating header and load commands.\n\n"); | |
2822 | ||
2823 | hdr.moh_n_load_cmds++; | |
2824 | size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1)); | |
2825 | ||
2826 | /* Create new load command map. */ | |
2827 | if (debug) | |
2828 | fprintf (stderr, "load command map, %d cmds, new size %ld.\n", | |
2829 | (int)hdr.moh_n_load_cmds, (long)size); | |
2830 | ||
2831 | load_map = (load_union_t *) xcalloc (1, size); | |
2832 | load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP; | |
2833 | load_map->map.ldc_header.ldci_cmd_size = size; | |
2834 | load_map->map.lcm_ld_cmd_strings = cmd_strings; | |
2835 | load_map->map.lcm_nentries = hdr.moh_n_load_cmds; | |
2836 | load_array[hdr.moh_n_load_cmds-1].load = load_map; | |
2837 | ||
2838 | offset = hdr.moh_first_cmd_off; | |
2839 | for (i = 0; i < hdr.moh_n_load_cmds; i++) | |
2840 | { | |
2841 | load_map->map.lcm_map[i] = offset; | |
2842 | if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP) | |
2843 | hdr.moh_load_map_cmd_off = offset; | |
2844 | ||
2845 | offset += load_array[i].load->hdr.ldci_cmd_size; | |
2846 | } | |
2847 | ||
2848 | hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR; | |
2849 | ||
2850 | if (debug) | |
2851 | print_header (&hdr); | |
2852 | ||
2853 | /* Write header */ | |
2854 | status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR); | |
2855 | if (status != MO_HDR_CONV_SUCCESS) | |
2856 | bad_header (status); | |
2857 | ||
2858 | if (debug) | |
2859 | fprintf (stderr, "writing load commands.\n\n"); | |
2860 | ||
2861 | /* Write load commands */ | |
2862 | offset = hdr.moh_first_cmd_off; | |
2863 | for (i = 0; i < hdr.moh_n_load_cmds; i++) | |
2864 | { | |
2865 | load_union_t *load_hdr = load_array[i].load; | |
2866 | size_t size = load_hdr->hdr.ldci_cmd_size; | |
2867 | ||
2868 | if (debug) | |
2869 | print_load_command (load_hdr, offset, i); | |
2870 | ||
4c9a05bc | 2871 | bcopy ((char *)load_hdr, (char *)(obj + offset), size); |
4e81a331 RS |
2872 | offset += size; |
2873 | } | |
2874 | } | |
2875 | ||
2876 | end_file (obj_file); | |
2877 | ||
2878 | if (close (prog_fd)) | |
1fab8e81 | 2879 | fatal_perror ("closing %s", prog_name); |
4e81a331 RS |
2880 | |
2881 | if (debug) | |
2882 | fprintf (stderr, "\n"); | |
2883 | } | |
2884 | ||
2885 | \f | |
2886 | /* Add a function table to the load commands to call a function | |
ed5b9462 | 2887 | on initiation or termination of the process. */ |
4e81a331 RS |
2888 | |
2889 | static void | |
2890 | add_func_table (hdr_p, load_array, sym, type) | |
2891 | mo_header_t *hdr_p; /* pointer to global header */ | |
2892 | load_all_t *load_array; /* array of ptrs to load cmds */ | |
2893 | symbol_info_t *sym; /* pointer to symbol entry */ | |
2894 | int type; /* fntc_type value */ | |
2895 | { | |
2896 | /* Add a new load command. */ | |
2897 | int num_cmds = ++hdr_p->moh_n_load_cmds; | |
2898 | int load_index = num_cmds - 1; | |
2899 | size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t); | |
2900 | load_union_t *ptr = xcalloc (1, size); | |
2901 | load_all_t *load_cmd; | |
2902 | int i; | |
2903 | ||
2904 | /* Set the unresolved address bit in the header to force the loader to be | |
2905 | used, since kernel exec does not call the initialization functions. */ | |
2906 | hdr_p->moh_flags |= MOH_UNRESOLVED_F; | |
2907 | ||
2908 | load_cmd = &load_array[load_index]; | |
2909 | load_cmd->load = ptr; | |
2910 | load_cmd->section = (char *)0; | |
2911 | ||
2912 | /* Fill in func table load command. */ | |
2913 | ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE; | |
2914 | ptr->func.ldc_header.ldci_cmd_size = size; | |
2915 | ptr->func.ldc_header.ldci_section_off = 0; | |
2916 | ptr->func.ldc_header.ldci_section_len = 0; | |
2917 | ptr->func.fntc_type = type; | |
2918 | ptr->func.fntc_nentries = 1; | |
2919 | ||
2920 | /* copy address, turn it from abs. address to (region,offset) if necessary. */ | |
2921 | /* Is the symbol already expressed as (region, offset)? */ | |
2922 | if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0) | |
2923 | { | |
2924 | ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid; | |
2925 | ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff; | |
2926 | } | |
2927 | ||
2928 | /* If not, figure out which region it's in. */ | |
2929 | else | |
2930 | { | |
2931 | mo_vm_addr_t addr = sym->si_value.abs_val; | |
2932 | int found = 0; | |
2933 | ||
2934 | for (i = 0; i < load_index; i++) | |
2935 | { | |
2936 | if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION) | |
2937 | { | |
2938 | region_command_t *region_ptr = &load_array[i].load->region; | |
2939 | ||
2940 | if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0 | |
2941 | && addr >= region_ptr->regc_addr.vm_addr | |
2942 | && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size) | |
2943 | { | |
2944 | ptr->func.fntc_entry_loc[0].adr_lcid = i; | |
2945 | ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr; | |
2946 | found++; | |
2947 | break; | |
2948 | } | |
2949 | } | |
2950 | } | |
2951 | ||
2952 | if (!found) | |
2953 | fatal ("could not convert 0x%l.8x into a region", addr); | |
2954 | } | |
2955 | ||
2956 | if (debug) | |
2957 | fprintf (stderr, | |
2958 | "%s function, region %d, offset = %ld (0x%.8lx)\n", | |
2959 | (type == FNTC_INITIALIZATION) ? "init" : "term", | |
2960 | (int)ptr->func.fntc_entry_loc[i].adr_lcid, | |
2961 | (long)ptr->func.fntc_entry_loc[i].adr_sctoff, | |
2962 | (long)ptr->func.fntc_entry_loc[i].adr_sctoff); | |
2963 | ||
2964 | } | |
2965 | ||
2966 | \f | |
2967 | /* Print the global header for an OSF/rose object. */ | |
2968 | ||
2969 | static void | |
2970 | print_header (hdr_ptr) | |
2971 | mo_header_t *hdr_ptr; | |
2972 | { | |
2973 | fprintf (stderr, "\nglobal header:\n"); | |
2974 | fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic); | |
2975 | fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version); | |
2976 | fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version); | |
2977 | fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version); | |
2978 | fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size); | |
2979 | fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order); | |
2980 | fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id); | |
2981 | fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type); | |
2982 | fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype); | |
2983 | fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type); | |
2984 | fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off); | |
2985 | fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off); | |
2986 | fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds); | |
2987 | fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds); | |
2988 | fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags); | |
2989 | ||
2990 | if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F) | |
2991 | fprintf (stderr, ", relocatable"); | |
2992 | ||
2993 | if (hdr_ptr->moh_flags & MOH_LINKABLE_F) | |
2994 | fprintf (stderr, ", linkable"); | |
2995 | ||
2996 | if (hdr_ptr->moh_flags & MOH_EXECABLE_F) | |
2997 | fprintf (stderr, ", execable"); | |
2998 | ||
2999 | if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F) | |
3000 | fprintf (stderr, ", executable"); | |
3001 | ||
3002 | if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F) | |
3003 | fprintf (stderr, ", unresolved"); | |
3004 | ||
3005 | fprintf (stderr, "\n\n"); | |
3006 | return; | |
3007 | } | |
3008 | ||
3009 | \f | |
3010 | /* Print a short summary of a load command. */ | |
3011 | ||
3012 | static void | |
3013 | print_load_command (load_hdr, offset, number) | |
3014 | load_union_t *load_hdr; | |
3015 | size_t offset; | |
3016 | int number; | |
3017 | { | |
3018 | mo_long_t type = load_hdr->hdr.ldci_cmd_type; | |
3019 | char *type_str = (char *)0; | |
3020 | ||
3021 | switch (type) | |
3022 | { | |
3023 | case LDC_UNDEFINED: type_str = "UNDEFINED"; break; | |
3024 | case LDC_CMD_MAP: type_str = "CMD_MAP"; break; | |
3025 | case LDC_INTERPRETER: type_str = "INTERPRETER"; break; | |
3026 | case LDC_STRINGS: type_str = "STRINGS"; break; | |
3027 | case LDC_REGION: type_str = "REGION"; break; | |
3028 | case LDC_RELOC: type_str = "RELOC"; break; | |
3029 | case LDC_PACKAGE: type_str = "PACKAGE"; break; | |
3030 | case LDC_SYMBOLS: type_str = "SYMBOLS"; break; | |
3031 | case LDC_ENTRY: type_str = "ENTRY"; break; | |
3032 | case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break; | |
3033 | case LDC_GEN_INFO: type_str = "GEN_INFO"; break; | |
3034 | } | |
3035 | ||
3036 | fprintf (stderr, | |
3037 | "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx", | |
3038 | number, | |
3039 | (long) load_hdr->hdr.ldci_cmd_size, | |
3040 | (long) offset, | |
3041 | (long) load_hdr->hdr.ldci_section_off, | |
3042 | (long) load_hdr->hdr.ldci_section_len); | |
3043 | ||
3044 | if (type_str == (char *)0) | |
3045 | fprintf (stderr, ", ty: unknown (%ld)\n", (long) type); | |
3046 | ||
3047 | else if (type != LDC_REGION) | |
3048 | fprintf (stderr, ", ty: %s\n", type_str); | |
3049 | ||
3050 | else | |
3051 | { | |
3052 | char *region = ""; | |
3053 | switch (load_hdr->region.regc_usage_type) | |
3054 | { | |
3055 | case REG_TEXT_T: region = ", .text"; break; | |
3056 | case REG_DATA_T: region = ", .data"; break; | |
3057 | case REG_BSS_T: region = ", .bss"; break; | |
3058 | case REG_GLUE_T: region = ", .glue"; break; | |
3059 | #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/ | |
3060 | case REG_RDATA_T: region = ", .rdata"; break; | |
3061 | case REG_SDATA_T: region = ", .sdata"; break; | |
3062 | case REG_SBSS_T: region = ", .sbss"; break; | |
3063 | #endif | |
3064 | } | |
3065 | ||
3066 | fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n", | |
3067 | type_str, | |
3068 | (long) load_hdr->region.regc_vm_addr, | |
3069 | (long) load_hdr->region.regc_vm_size, | |
3070 | region); | |
3071 | } | |
3072 | ||
3073 | return; | |
3074 | } | |
3075 | ||
3076 | \f | |
3077 | /* Fatal error when {en,de}code_mach_o_header fails. */ | |
3078 | ||
3079 | static void | |
3080 | bad_header (status) | |
3081 | int status; | |
3082 | { | |
3083 | char *msg = (char *)0; | |
3084 | ||
3085 | switch (status) | |
3086 | { | |
3087 | case MO_ERROR_BAD_MAGIC: msg = "bad magic number"; break; | |
3088 | case MO_ERROR_BAD_HDR_VERS: msg = "bad header version"; break; | |
3089 | case MO_ERROR_BAD_RAW_HDR_VERS: msg = "bad raw header version"; break; | |
3090 | case MO_ERROR_BUF2SML: msg = "raw header buffer too small"; break; | |
3091 | case MO_ERROR_OLD_RAW_HDR_FILE: msg = "old raw header file"; break; | |
3092 | case MO_ERROR_UNSUPPORTED_VERS: msg = "unsupported version"; break; | |
3093 | } | |
3094 | ||
3095 | if (msg == (char *)0) | |
3096 | fatal ("unknown {de,en}code_mach_o_hdr return value %d", status); | |
3097 | else | |
3098 | fatal ("%s", msg); | |
3099 | } | |
3100 | ||
3101 | \f | |
3102 | /* Read a file into a memory buffer. */ | |
3103 | ||
3104 | static struct file_info * | |
3105 | read_file (name, fd, rw) | |
3106 | char *name; /* filename */ | |
3107 | int fd; /* file descriptor */ | |
3108 | int rw; /* read/write */ | |
3109 | { | |
3110 | struct stat stat_pkt; | |
3111 | struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1); | |
3112 | #ifdef USE_MMAP | |
3113 | static int page_size; | |
3114 | #endif | |
3115 | ||
3116 | if (fstat (fd, &stat_pkt) < 0) | |
3117 | fatal_perror ("fstat %s", name); | |
3118 | ||
3119 | p->name = name; | |
3120 | p->size = stat_pkt.st_size; | |
3121 | p->rounded_size = stat_pkt.st_size; | |
3122 | p->fd = fd; | |
3123 | p->rw = rw; | |
3124 | ||
3125 | #ifdef USE_MMAP | |
3126 | if (debug) | |
3127 | fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only"); | |
3128 | ||
3129 | if (page_size == 0) | |
3130 | page_size = sysconf (_SC_PAGE_SIZE); | |
3131 | ||
3132 | p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size; | |
3133 | p->start = mmap ((caddr_t)0, | |
3134 | (rw) ? p->rounded_size : p->size, | |
3135 | (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ, | |
3136 | MAP_FILE | MAP_VARIABLE | MAP_SHARED, | |
3137 | fd, | |
3138 | 0L); | |
3139 | ||
3140 | if (p->start != (char *)0 && p->start != (char *)-1) | |
3141 | p->use_mmap = 1; | |
3142 | ||
3143 | else | |
3144 | #endif /* USE_MMAP */ | |
3145 | { | |
3146 | long len; | |
3147 | ||
3148 | if (debug) | |
3149 | fprintf (stderr, "read %s\n", name); | |
3150 | ||
3151 | p->use_mmap = 0; | |
3152 | p->start = xmalloc (p->size); | |
3153 | if (lseek (fd, 0L, SEEK_SET) < 0) | |
3154 | fatal_perror ("lseek to 0 on %s", name); | |
3155 | ||
3156 | len = read (fd, p->start, p->size); | |
3157 | if (len < 0) | |
3158 | fatal_perror ("read %s", name); | |
3159 | ||
3160 | if (len != p->size) | |
3161 | fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name); | |
3162 | } | |
3163 | ||
3164 | return p; | |
3165 | } | |
4e81a331 RS |
3166 | \f |
3167 | /* Do anything necessary to write a file back from memory. */ | |
3168 | ||
3169 | static void | |
3170 | end_file (ptr) | |
3171 | struct file_info *ptr; /* file information block */ | |
3172 | { | |
3173 | #ifdef USE_MMAP | |
3174 | if (ptr->use_mmap) | |
3175 | { | |
3176 | if (ptr->rw) | |
3177 | { | |
3178 | if (debug) | |
3179 | fprintf (stderr, "msync %s\n", ptr->name); | |
3180 | ||
3181 | if (msync (ptr->start, ptr->rounded_size, MS_ASYNC)) | |
3182 | fatal_perror ("msync %s", ptr->name); | |
3183 | } | |
3184 | ||
3185 | if (debug) | |
3186 | fprintf (stderr, "munmap %s\n", ptr->name); | |
3187 | ||
3188 | if (munmap (ptr->start, ptr->size)) | |
3189 | fatal_perror ("munmap %s", ptr->name); | |
3190 | } | |
3191 | else | |
3192 | #endif /* USE_MMAP */ | |
3193 | { | |
3194 | if (ptr->rw) | |
3195 | { | |
3196 | long len; | |
3197 | ||
3198 | if (debug) | |
3199 | fprintf (stderr, "write %s\n", ptr->name); | |
3200 | ||
3201 | if (lseek (ptr->fd, 0L, SEEK_SET) < 0) | |
3202 | fatal_perror ("lseek to 0 on %s", ptr->name); | |
3203 | ||
3204 | len = write (ptr->fd, ptr->start, ptr->size); | |
3205 | if (len < 0) | |
3206 | fatal_perror ("read %s", ptr->name); | |
3207 | ||
3208 | if (len != ptr->size) | |
3209 | fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name); | |
3210 | } | |
3211 | ||
a3184468 | 3212 | free (ptr->start); |
4e81a331 RS |
3213 | } |
3214 | ||
a3184468 | 3215 | free (ptr); |
4e81a331 RS |
3216 | } |
3217 | ||
3218 | #endif /* OBJECT_FORMAT_ROSE */ |