1 /* Collect static initialization info into data structures that can be
2 traversed by C++ initialization and finalization routines.
3 Copyright (C) 1992, 93-98, 1999 Free Software Foundation, Inc.
4 Contributed by Chris Smith (csmith@convex.com).
5 Heavily modified by Michael Meissner (meissner@cygnus.com),
6 Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
8 This file is part of GNU CC.
10 GNU CC is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
15 GNU CC is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GNU CC; see the file COPYING. If not, write to
22 the Free Software Foundation, 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
26 /* Build tables of static constructors and destructors and run ld. */
32 #ifdef vfork /* Autoconf may define this to fork for us. */
33 # define VFORK_STRING "fork"
35 # define VFORK_STRING "vfork"
41 #define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
42 lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
52 /* Obstack allocation and deallocation routines. */
53 #define obstack_chunk_alloc xmalloc
54 #define obstack_chunk_free free
56 /* On certain systems, we have code that works by scanning the object file
57 directly. But this code uses system-specific header files and library
58 functions, so turn it off in a cross-compiler. Likewise, the names of
59 the utilities are not correct for a cross-compiler; we have to hope that
60 cross-versions are in the proper directories. */
63 #undef SUNOS4_SHARED_LIBRARIES
64 #undef OBJECT_FORMAT_COFF
65 #undef OBJECT_FORMAT_ROSE
67 #undef REAL_LD_FILE_NAME
68 #undef REAL_NM_FILE_NAME
69 #undef REAL_STRIP_FILE_NAME
72 /* If we cannot use a special method, use the ordinary one:
73 run nm to find what symbols are present.
74 In a cross-compiler, this means you need a cross nm,
75 but that is not quite as unpleasant as special headers. */
77 #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
78 #define OBJECT_FORMAT_NONE
81 #ifdef OBJECT_FORMAT_COFF
90 /* Many versions of ldfcn.h define these. */
98 /* Some systems have an ISCOFF macro, but others do not. In some cases
99 the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
100 that either do not have an ISCOFF macro in /usr/include or for those
101 where it is wrong. */
104 #define MY_ISCOFF(X) ISCOFF (X)
107 #endif /* OBJECT_FORMAT_COFF */
109 #ifdef OBJECT_FORMAT_ROSE
116 #include <sys/mman.h>
120 #include <mach_o_format.h>
121 #include <mach_o_header.h>
122 #include <mach_o_vals.h>
123 #include <mach_o_types.h>
125 #endif /* OBJECT_FORMAT_ROSE */
127 #ifdef OBJECT_FORMAT_NONE
129 /* Default flags to pass to nm. */
131 #define NM_FLAGS "-n"
134 #endif /* OBJECT_FORMAT_NONE */
136 /* Some systems use __main in a way incompatible with its use in gcc, in these
137 cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
138 give the same symbol without quotes for an alternative entry point. You
139 must define both, or neither. */
141 #define NAME__MAIN "__main"
142 #define SYMBOL__MAIN __main
145 /* This must match tree.h. */
146 #define DEFAULT_INIT_PRIORITY 65535
148 #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
149 #define SCAN_LIBRARIES
153 int do_collecting = 1;
155 int do_collecting = 0;
158 /* Linked lists of constructor and destructor names. */
174 /* Enumeration giving which pass this is for scanning the program file. */
177 PASS_FIRST, /* without constructors */
178 PASS_OBJ, /* individual objects */
179 PASS_LIB, /* looking for shared libraries */
180 PASS_SECOND /* with constructors linked in */
183 extern char *version_string;
185 int vflag; /* true if -v */
186 static int rflag; /* true if -r */
187 static int strip_flag; /* true if -s */
188 #ifdef COLLECT_EXPORT_LIST
189 static int export_flag; /* true if -bE */
190 static int aix64_flag; /* true if -b64 */
193 int debug; /* true if -debug */
195 static int shared_obj; /* true if -shared */
197 static const char *c_file; /* <xxx>.c for constructor/destructor list. */
198 static const char *o_file; /* <xxx>.o for constructor/destructor list. */
199 #ifdef COLLECT_EXPORT_LIST
200 static const char *export_file; /* <xxx>.x for AIX export list. */
201 static const char *import_file; /* <xxx>.p for AIX import list. */
203 const char *ldout; /* File for ld errors. */
204 static const char *output_file; /* Output file for ld. */
205 static const char *nm_file_name; /* pathname of nm */
207 static const char *ldd_file_name; /* pathname of ldd (or equivalent) */
209 static const char *strip_file_name; /* pathname of strip */
210 const char *c_file_name; /* pathname of gcc */
211 static char *initname, *fininame; /* names of init and fini funcs */
213 static struct head constructors; /* list of constructors found */
214 static struct head destructors; /* list of destructors found */
215 #ifdef COLLECT_EXPORT_LIST
216 static struct head exports; /* list of exported symbols */
217 static struct head imports; /* list of imported symbols */
218 static struct head undefined; /* list of undefined symbols */
220 static struct head frame_tables; /* list of frame unwind info tables */
222 struct obstack temporary_obstack;
223 struct obstack permanent_obstack;
224 char * temporary_firstobj;
226 /* Holds the return value of pexecute. */
229 /* Defined in the automatically-generated underscore.c. */
230 extern int prepends_underscore;
232 #ifndef GET_ENV_PATH_LIST
233 #define GET_ENV_PATH_LIST(VAR,NAME) do { (VAR) = getenv (NAME); } while (0)
236 /* Structure to hold all the directories in which to search for files to
241 const char *prefix; /* String to prepend to the path. */
242 struct prefix_list *next; /* Next in linked list. */
247 struct prefix_list *plist; /* List of prefixes to try */
248 int max_len; /* Max length of a prefix in PLIST */
249 const char *name; /* Name of this list (used in config stuff) */
252 #ifdef COLLECT_EXPORT_LIST
253 /* Lists to keep libraries to be scanned for global constructors/destructors. */
254 static struct head libs; /* list of libraries */
255 static struct path_prefix cmdline_lib_dirs; /* directories specified with -L */
256 static struct path_prefix libpath_lib_dirs; /* directories in LIBPATH */
257 static struct path_prefix *libpaths[3] = {&cmdline_lib_dirs,
258 &libpath_lib_dirs, NULL};
259 static const char *libexts[3] = {"a", "so", NULL}; /* possible library extentions */
262 static void handler PROTO((int));
263 static int is_ctor_dtor PROTO((const char *));
264 static char *find_a_file PROTO((struct path_prefix *, const char *));
265 static void add_prefix PROTO((struct path_prefix *, const char *));
266 static void prefix_from_env PROTO((const char *, struct path_prefix *));
267 static void prefix_from_string PROTO((const char *, struct path_prefix *));
268 static void do_wait PROTO((const char *));
269 static void fork_execute PROTO((const char *, char **));
270 static void maybe_unlink PROTO((const char *));
271 static void add_to_list PROTO((struct head *, const char *));
272 static int extract_init_priority PROTO((const char *));
273 static void sort_ids PROTO((struct head *));
274 static void write_list PROTO((FILE *, const char *, struct id *));
275 #ifdef COLLECT_EXPORT_LIST
276 static void dump_list PROTO((FILE *, const char *, struct id *));
279 static void dump_prefix_list PROTO((FILE *, const char *, struct prefix_list *));
281 static void write_list_with_asm PROTO((FILE *, const char *, struct id *));
282 static void write_c_file PROTO((FILE *, const char *));
283 static void write_c_file_stat PROTO((FILE *, const char *));
284 #ifndef LD_INIT_SWITCH
285 static void write_c_file_glob PROTO((FILE *, const char *));
287 static void scan_prog_file PROTO((const char *, enum pass));
288 #ifdef SCAN_LIBRARIES
289 static void scan_libraries PROTO((const char *));
291 #ifdef COLLECT_EXPORT_LIST
292 static int is_in_list PROTO((const char *, struct id *));
293 static void write_aix_file PROTO((FILE *, struct id *));
294 static char *resolve_lib_name PROTO((const char *));
295 static int use_import_list PROTO((const char *));
296 static int ignore_library PROTO((const char *));
298 static char *extract_string PROTO((const char **));
313 while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
316 close (fdtmp[--fdx]);
322 /* Delete tempfiles and exit function. */
325 collect_exit (status)
328 if (c_file != 0 && c_file[0])
329 maybe_unlink (c_file);
331 if (o_file != 0 && o_file[0])
332 maybe_unlink (o_file);
334 #ifdef COLLECT_EXPORT_LIST
335 if (export_file != 0 && export_file[0])
336 maybe_unlink (export_file);
338 if (import_file != 0 && import_file[0])
339 maybe_unlink (import_file);
342 if (ldout != 0 && ldout[0])
345 maybe_unlink (ldout);
348 if (status != 0 && output_file != 0 && output_file[0])
349 maybe_unlink (output_file);
355 /* Notify user of a non-error. */
357 notice VPROTO((const char *msgid, ...))
359 #ifndef ANSI_PROTOTYPES
364 VA_START (ap, msgid);
366 #ifndef ANSI_PROTOTYPES
367 msgid = va_arg (ap, const char *);
370 vfprintf (stderr, _(msgid), ap);
374 /* Die when sys call fails. */
377 fatal_perror VPROTO((const char * msgid, ...))
379 #ifndef ANSI_PROTOTYPES
385 VA_START (ap, msgid);
387 #ifndef ANSI_PROTOTYPES
388 msgid = va_arg (ap, const char *);
391 fprintf (stderr, "collect2: ");
392 vfprintf (stderr, _(msgid), ap);
393 fprintf (stderr, ": %s\n", xstrerror (e));
396 collect_exit (FATAL_EXIT_CODE);
402 fatal VPROTO((const char * msgid, ...))
404 #ifndef ANSI_PROTOTYPES
409 VA_START (ap, msgid);
411 #ifndef ANSI_PROTOTYPES
412 msgid = va_arg (ap, const char *);
415 fprintf (stderr, "collect2: ");
416 vfprintf (stderr, _(msgid), ap);
417 fprintf (stderr, "\n");
420 collect_exit (FATAL_EXIT_CODE);
423 /* Write error message. */
426 error VPROTO((const char * msgid, ...))
428 #ifndef ANSI_PROTOTYPES
433 VA_START (ap, msgid);
435 #ifndef ANSI_PROTOTYPES
436 msgid = va_arg (ap, const char *);
439 fprintf (stderr, "collect2: ");
440 vfprintf (stderr, _(msgid), ap);
441 fprintf (stderr, "\n");
445 /* In case obstack is linked in, and abort is defined to fancy_abort,
446 provide a default entry. */
451 fatal ("internal error");
458 if (c_file != 0 && c_file[0])
459 maybe_unlink (c_file);
461 if (o_file != 0 && o_file[0])
462 maybe_unlink (o_file);
464 if (ldout != 0 && ldout[0])
465 maybe_unlink (ldout);
467 #ifdef COLLECT_EXPORT_LIST
468 if (export_file != 0 && export_file[0])
469 maybe_unlink (export_file);
471 if (import_file != 0 && import_file[0])
472 maybe_unlink (import_file);
475 signal (signo, SIG_DFL);
476 kill (getpid (), signo);
484 return access (name, R_OK) == 0;
487 /* Parse a reasonable subset of shell quoting syntax. */
504 obstack_1grow (&temporary_obstack, c);
505 else if (! inside && c == ' ')
507 else if (! inside && c == '\\')
512 obstack_1grow (&temporary_obstack, c);
515 obstack_1grow (&temporary_obstack, '\0');
517 return obstack_finish (&temporary_obstack);
524 FILE *stream = fopen (name, "r");
525 int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
532 while (c = getc (stream),
533 c != EOF && (ISALNUM (c) || c == '_' || c == '$' || c == '.'))
534 obstack_1grow (&temporary_obstack, c);
535 if (obstack_object_size (&temporary_obstack) > 0)
537 const char *word, *p;
539 obstack_1grow (&temporary_obstack, '\0');
540 word = obstack_finish (&temporary_obstack);
543 ++word, putc ('.', stderr);
545 if (*p == '_' && prepends_underscore)
551 result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI);
556 fputs (result, stderr);
558 diff = strlen (word) - strlen (result);
560 --diff, putc (' ', stderr);
561 while (diff < 0 && c == ' ')
562 ++diff, c = getc (stream);
567 fputs (word, stderr);
570 obstack_free (&temporary_obstack, temporary_firstobj);
579 /* Decide whether the given symbol is:
580 a constructor (1), a destructor (2), or neither (0). */
586 struct names { const char *name; int len; int ret; int two_underscores; };
588 register struct names *p;
590 register const char *orig_s = s;
592 static struct names special[] = {
593 #ifdef NO_DOLLAR_IN_LABEL
594 #ifdef NO_DOT_IN_LABEL
595 { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
596 { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
597 { "GLOBAL__F_", sizeof ("GLOBAL__F_")-1, 5, 0 },
599 { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 },
600 { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 },
601 { "GLOBAL_.F.", sizeof ("GLOBAL_.F.")-1, 5, 0 },
604 { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 },
605 { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 },
606 { "GLOBAL_$F$", sizeof ("GLOBAL_$F$")-1, 5, 0 },
608 { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
609 { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
610 #ifdef CFRONT_LOSSAGE /* Do not collect cfront initialization functions.
611 cfront has its own linker procedure to collect them;
612 if collect2 gets them too, they get collected twice
613 when the cfront procedure is run and the compiler used
614 for linking happens to be GCC. */
615 { "sti__", sizeof ("sti__")-1, 1, 1 },
616 { "std__", sizeof ("std__")-1, 2, 1 },
617 #endif /* CFRONT_LOSSAGE */
621 while ((ch = *s) == '_')
627 for (p = &special[0]; p->len > 0; p++)
630 && (!p->two_underscores || ((s - orig_s) >= 2))
631 && strncmp(s, p->name, p->len) == 0)
639 /* By default, colon separates directories in a path. */
640 #ifndef PATH_SEPARATOR
641 #define PATH_SEPARATOR ':'
644 /* We maintain two prefix lists: one from COMPILER_PATH environment variable
645 and one from the PATH variable. */
647 static struct path_prefix cpath, path;
650 /* This is the name of the target machine. We use it to form the name
651 of the files to execute. */
653 static const char *const target_machine = TARGET_MACHINE;
656 /* Search for NAME using prefix list PPREFIX. We only look for executable
659 Return 0 if not found, otherwise return its name, allocated with malloc. */
662 find_a_file (pprefix, name)
663 struct path_prefix *pprefix;
667 struct prefix_list *pl;
668 int len = pprefix->max_len + strlen (name) + 1;
671 fprintf (stderr, "Looking for '%s'\n", name);
673 #ifdef EXECUTABLE_SUFFIX
674 len += strlen (EXECUTABLE_SUFFIX);
677 temp = xmalloc (len);
679 /* Determine the filename to execute (special case for absolute paths). */
682 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
683 || (*name && name[1] == ':')
687 if (access (name, X_OK) == 0)
692 fprintf (stderr, " - found: absolute path\n");
697 #ifdef EXECUTABLE_SUFFIX
698 /* Some systems have a suffix for executable files.
699 So try appending that. */
701 strcat (temp, EXECUTABLE_SUFFIX);
703 if (access (temp, X_OK) == 0)
708 fprintf (stderr, " - failed to locate using absolute path\n");
711 for (pl = pprefix->plist; pl; pl = pl->next)
715 strcpy (temp, pl->prefix);
718 if (stat (temp, &st) >= 0
719 && ! S_ISDIR (st.st_mode)
720 && access (temp, X_OK) == 0)
723 #ifdef EXECUTABLE_SUFFIX
724 /* Some systems have a suffix for executable files.
725 So try appending that. */
726 strcat (temp, EXECUTABLE_SUFFIX);
728 if (stat (temp, &st) >= 0
729 && ! S_ISDIR (st.st_mode)
730 && access (temp, X_OK) == 0)
735 if (debug && pprefix->plist == NULL)
736 fprintf (stderr, " - failed: no entries in prefix list\n");
742 /* Add an entry for PREFIX to prefix list PPREFIX. */
745 add_prefix (pprefix, prefix)
746 struct path_prefix *pprefix;
749 struct prefix_list *pl, **prev;
754 for (pl = pprefix->plist; pl->next; pl = pl->next)
759 prev = &pprefix->plist;
761 /* Keep track of the longest prefix */
763 len = strlen (prefix);
764 if (len > pprefix->max_len)
765 pprefix->max_len = len;
767 pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
768 pl->prefix = xstrdup (prefix);
773 pl->next = (struct prefix_list *) 0;
777 /* Take the value of the environment variable ENV, break it into a path, and
778 add of the entries to PPREFIX. */
781 prefix_from_env (env, pprefix)
783 struct path_prefix *pprefix;
786 GET_ENV_PATH_LIST (p, env);
789 prefix_from_string (p, pprefix);
793 prefix_from_string (p, pprefix)
795 struct path_prefix *pprefix;
797 const char *startp, *endp;
798 char *nstore = (char *) xmalloc (strlen (p) + 3);
801 fprintf (stderr, "Convert string '%s' into prefixes, separator = '%c'\n", p, PATH_SEPARATOR);
806 if (*endp == PATH_SEPARATOR || *endp == 0)
808 strncpy (nstore, startp, endp-startp);
811 strcpy (nstore, "./");
813 else if (endp[-1] != '/')
815 nstore[endp-startp] = '/';
816 nstore[endp-startp+1] = 0;
819 nstore[endp-startp] = 0;
822 fprintf (stderr, " - add prefix: %s\n", nstore);
824 add_prefix (pprefix, nstore);
827 endp = startp = endp + 1;
836 int main PROTO ((int, char *[]));
842 const char *ld_suffix = "ld";
843 const char *full_ld_suffix = ld_suffix;
844 const char *real_ld_suffix = "real-ld";
845 const char *collect_ld_suffix = "collect-ld";
846 const char *nm_suffix = "nm";
847 const char *full_nm_suffix = nm_suffix;
848 const char *gnm_suffix = "gnm";
849 const char *full_gnm_suffix = gnm_suffix;
851 const char *ldd_suffix = LDD_SUFFIX;
852 const char *full_ldd_suffix = ldd_suffix;
854 const char *strip_suffix = "strip";
855 const char *full_strip_suffix = strip_suffix;
856 const char *gstrip_suffix = "gstrip";
857 const char *full_gstrip_suffix = gstrip_suffix;
860 #ifdef COLLECT_EXPORT_LIST
864 const char *ld_file_name;
875 int num_c_args = argc+9;
877 #if defined (COLLECT2_HOST_INITIALIZATION)
878 /* Perform system dependant initialization, if neccessary. */
879 COLLECT2_HOST_INITIALIZATION;
882 #ifdef HAVE_LC_MESSAGES
883 setlocale (LC_MESSAGES, "");
885 (void) bindtextdomain (PACKAGE, localedir);
886 (void) textdomain (PACKAGE);
888 /* Do not invoke xcalloc before this point, since locale needs to be
889 set first, in case a diagnostic is issued. */
891 ld1 = (const char **)(ld1_argv = (char **) xcalloc(sizeof (char *), argc+3));
892 ld2 = (const char **)(ld2_argv = (char **) xcalloc(sizeof (char *), argc+6));
893 object = (const char **)(object_lst = (char **) xcalloc(sizeof (char *), argc));
899 /* Parse command line early for instances of -debug. This allows
900 the debug flag to be set before functions like find_a_file()
905 for (i = 1; argv[i] != NULL; i ++)
906 if (! strcmp (argv[i], "-debug"))
911 #ifndef DEFAULT_A_OUT_NAME
912 output_file = "a.out";
914 output_file = DEFAULT_A_OUT_NAME;
917 obstack_begin (&temporary_obstack, 0);
918 obstack_begin (&permanent_obstack, 0);
919 temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
921 current_demangling_style = gnu_demangling;
922 p = getenv ("COLLECT_GCC_OPTIONS");
925 const char *q = extract_string (&p);
926 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
929 obstack_free (&temporary_obstack, temporary_firstobj);
932 c_ptr = (const char **)
933 (c_argv = (char **) xcalloc (sizeof (char *), num_c_args));
936 fatal ("no arguments");
939 if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
940 signal (SIGQUIT, handler);
942 if (signal (SIGINT, SIG_IGN) != SIG_IGN)
943 signal (SIGINT, handler);
945 if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
946 signal (SIGALRM, handler);
949 if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
950 signal (SIGHUP, handler);
952 if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
953 signal (SIGSEGV, handler);
955 if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
956 signal (SIGBUS, handler);
959 /* Extract COMPILER_PATH and PATH into our prefix list. */
960 prefix_from_env ("COMPILER_PATH", &cpath);
961 prefix_from_env ("PATH", &path);
964 /* If we look for a program in the compiler directories, we just use
965 the short name, since these directories are already system-specific.
966 But it we look for a program in the system directories, we need to
967 qualify the program name with the target machine. */
969 full_ld_suffix = concat(target_machine, "-", ld_suffix, NULL);
972 full_gld_suffix = concat (target_machine, "-", gld_suffix, NULL);
975 full_nm_suffix = concat (target_machine, "-", nm_suffix, NULL);
977 full_gnm_suffix = concat (target_machine, "-", gnm_suffix, NULL);
980 full_ldd_suffix = concat (target_machine, "-", ldd_suffix, NULL);
983 full_strip_suffix = concat (target_machine, "-", strip_suffix, NULL);
985 full_gstrip_suffix = concat (target_machine, "-", gstrip_suffix, NULL);
986 #endif /* CROSS_COMPILE */
988 /* Try to discover a valid linker/nm/strip to use. */
990 /* Maybe we know the right file to use (if not cross). */
992 #ifdef DEFAULT_LINKER
993 if (access (DEFAULT_LINKER, X_OK) == 0)
994 ld_file_name = DEFAULT_LINKER;
995 if (ld_file_name == 0)
997 #ifdef REAL_LD_FILE_NAME
998 ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
999 if (ld_file_name == 0)
1001 /* Search the (target-specific) compiler dirs for ld'. */
1002 ld_file_name = find_a_file (&cpath, real_ld_suffix);
1003 /* Likewise for `collect-ld'. */
1004 if (ld_file_name == 0)
1005 ld_file_name = find_a_file (&cpath, collect_ld_suffix);
1006 /* Search the compiler directories for `ld'. We have protection against
1007 recursive calls in find_a_file. */
1008 if (ld_file_name == 0)
1009 ld_file_name = find_a_file (&cpath, ld_suffix);
1010 /* Search the ordinary system bin directories
1011 for `ld' (if native linking) or `TARGET-ld' (if cross). */
1012 if (ld_file_name == 0)
1013 ld_file_name = find_a_file (&path, full_ld_suffix);
1015 #ifdef REAL_NM_FILE_NAME
1016 nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
1017 if (nm_file_name == 0)
1019 nm_file_name = find_a_file (&cpath, gnm_suffix);
1020 if (nm_file_name == 0)
1021 nm_file_name = find_a_file (&path, full_gnm_suffix);
1022 if (nm_file_name == 0)
1023 nm_file_name = find_a_file (&cpath, nm_suffix);
1024 if (nm_file_name == 0)
1025 nm_file_name = find_a_file (&path, full_nm_suffix);
1028 ldd_file_name = find_a_file (&cpath, ldd_suffix);
1029 if (ldd_file_name == 0)
1030 ldd_file_name = find_a_file (&path, full_ldd_suffix);
1033 #ifdef REAL_STRIP_FILE_NAME
1034 strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
1035 if (strip_file_name == 0)
1037 strip_file_name = find_a_file (&cpath, gstrip_suffix);
1038 if (strip_file_name == 0)
1039 strip_file_name = find_a_file (&path, full_gstrip_suffix);
1040 if (strip_file_name == 0)
1041 strip_file_name = find_a_file (&cpath, strip_suffix);
1042 if (strip_file_name == 0)
1043 strip_file_name = find_a_file (&path, full_strip_suffix);
1045 /* Determine the full path name of the C compiler to use. */
1046 c_file_name = getenv ("COLLECT_GCC");
1047 if (c_file_name == 0)
1049 #ifdef CROSS_COMPILE
1050 c_file_name = concat (target_machine, "-gcc", NULL);
1052 c_file_name = "gcc";
1056 p = find_a_file (&cpath, c_file_name);
1058 /* Here it should be safe to use the system search path since we should have
1059 already qualified the name of the compiler when it is needed. */
1061 p = find_a_file (&path, c_file_name);
1066 *ld1++ = *ld2++ = ld_file_name;
1068 /* Make temp file names. */
1069 c_file = make_temp_file (".c");
1070 o_file = make_temp_file (".o");
1071 #ifdef COLLECT_EXPORT_LIST
1072 export_file = make_temp_file (".x");
1073 import_file = make_temp_file (".p");
1075 ldout = make_temp_file (".ld");
1076 *c_ptr++ = c_file_name;
1083 #ifdef COLLECT_EXPORT_LIST
1084 /* Generate a list of directories from LIBPATH. */
1085 prefix_from_env ("LIBPATH", &libpath_lib_dirs);
1086 /* Add to this list also two standard directories where
1087 AIX loader always searches for libraries. */
1088 add_prefix (&libpath_lib_dirs, "/lib");
1089 add_prefix (&libpath_lib_dirs, "/usr/lib");
1092 /* Get any options that the upper GCC wants to pass to the sub-GCC.
1094 AIX support needs to know if -shared has been specified before
1095 parsing commandline arguments. */
1097 p = getenv ("COLLECT_GCC_OPTIONS");
1100 const char *q = extract_string (&p);
1101 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
1102 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1103 if (strcmp (q, "-EL") == 0 || strcmp (q, "-EB") == 0)
1104 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1105 if (strncmp (q, "-shared", sizeof ("-shared") - 1) == 0)
1108 obstack_free (&temporary_obstack, temporary_firstobj);
1109 *c_ptr++ = "-fno-exceptions";
1111 /* !!! When GCC calls collect2,
1112 it does not know whether it is calling collect2 or ld.
1113 So collect2 cannot meaningfully understand any options
1114 except those ld understands.
1115 If you propose to make GCC pass some other option,
1116 just imagine what will happen if ld is really ld!!! */
1118 /* Parse arguments. Remember output file spec, pass the rest to ld. */
1119 /* After the first file, put in the c++ rt0. */
1122 while ((arg = *++argv) != (char *) 0)
1124 *ld1++ = *ld2++ = arg;
1130 #ifdef COLLECT_EXPORT_LIST
1131 /* We want to disable automatic exports on AIX when user
1132 explicitly puts an export list in command line */
1134 if (arg[2] == 'E' || strncmp (&arg[2], "export", 6) == 0)
1136 else if (arg[2] == '6' && arg[3] == '4')
1142 if (!strcmp (arg, "-debug"))
1144 /* Already parsed. */
1153 /* place o_file BEFORE this argument! */
1159 #ifdef COLLECT_EXPORT_LIST
1161 /* Resolving full library name. */
1162 const char *s = resolve_lib_name (arg+2);
1164 /* If we will use an import list for this library,
1165 we should exclude it from ld args. */
1166 if (use_import_list (s))
1172 /* Saving a full library name. */
1173 add_to_list (&libs, s);
1178 #ifdef COLLECT_EXPORT_LIST
1179 /* Saving directories where to search for libraries. */
1181 add_prefix (&cmdline_lib_dirs, arg+2);
1187 output_file = *ld1++ = *ld2++ = *++argv;
1189 output_file = &arg[2];
1198 if (arg[2] == '\0' && do_collecting)
1200 /* We must strip after the nm run, otherwise C++ linking
1201 will not work. Thus we strip in the second ld run, or
1202 else with strip if there is no second ld run. */
1214 else if ((p = rindex (arg, '.')) != (char *) 0
1215 && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
1216 || strcmp (p, ".so") == 0))
1225 /* place o_file BEFORE this argument! */
1233 #ifdef COLLECT_EXPORT_LIST
1234 /* libraries can be specified directly, i.e. without -l flag. */
1237 /* If we will use an import list for this library,
1238 we should exclude it from ld args. */
1239 if (use_import_list (arg))
1245 /* Saving a full library name. */
1246 add_to_list (&libs, arg);
1252 #ifdef COLLECT_EXPORT_LIST
1253 /* This is added only for debugging purposes. */
1256 fprintf (stderr, "List of libraries:\n");
1257 dump_list (stderr, "\t", libs.first);
1260 /* The AIX linker will discard static constructors in object files if
1261 nothing else in the file is referenced, so look at them first. */
1263 char **export_object_lst = object_lst;
1265 while (export_object_lst < object)
1266 scan_prog_file (*export_object_lst++, PASS_OBJ);
1269 struct id *list = libs.first;
1271 for (; list; list = list->next)
1272 scan_prog_file (list->name, PASS_FIRST);
1277 char *buf = xmalloc (strlen (export_file) + 5);
1279 sprintf (buf, "-bE:%s", export_file);
1283 exportf = fopen (export_file, "w");
1284 if (exportf == (FILE *) 0)
1285 fatal_perror ("fopen %s", export_file);
1286 write_aix_file (exportf, exports.first);
1287 if (fclose (exportf))
1288 fatal_perror ("fclose %s", export_file);
1293 char *buf = xmalloc (strlen (import_file) + 5);
1295 sprintf (buf, "-bI:%s", import_file);
1299 importf = fopen (import_file, "w");
1300 if (importf == (FILE *) 0)
1301 fatal_perror ("%s", import_file);
1302 fputs ("#! .\n", importf);
1303 write_aix_file (importf, imports.first);
1304 if (fclose (importf))
1305 fatal_perror ("fclose %s", import_file);
1310 *c_ptr = *ld1 = *object = (char *) 0;
1314 notice ("collect2 version %s", version_string);
1315 #ifdef TARGET_VERSION
1318 fprintf (stderr, "\n");
1324 fprintf (stderr, "ld_file_name = %s\n",
1325 (ld_file_name ? ld_file_name : "not found"));
1326 fprintf (stderr, "c_file_name = %s\n",
1327 (c_file_name ? c_file_name : "not found"));
1328 fprintf (stderr, "nm_file_name = %s\n",
1329 (nm_file_name ? nm_file_name : "not found"));
1331 fprintf (stderr, "ldd_file_name = %s\n",
1332 (ldd_file_name ? ldd_file_name : "not found"));
1334 fprintf (stderr, "strip_file_name = %s\n",
1335 (strip_file_name ? strip_file_name : "not found"));
1336 fprintf (stderr, "c_file = %s\n",
1337 (c_file ? c_file : "not found"));
1338 fprintf (stderr, "o_file = %s\n",
1339 (o_file ? o_file : "not found"));
1341 ptr = getenv ("COLLECT_GCC_OPTIONS");
1343 fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
1345 ptr = getenv ("COLLECT_GCC");
1347 fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
1349 ptr = getenv ("COMPILER_PATH");
1351 fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
1353 ptr = getenv ("LIBRARY_PATH");
1355 fprintf (stderr, "LIBRARY_PATH = %s\n", ptr);
1357 fprintf (stderr, "\n");
1360 /* Load the program, searching all libraries and attempting to provide
1361 undefined symbols from repository information. */
1363 /* On AIX we do this later. */
1364 #ifndef COLLECT_EXPORT_LIST
1365 do_tlink (ld1_argv, object_lst);
1368 /* If -r or they will be run via some other method, do not build the
1369 constructor or destructor list, just return now. */
1371 #ifndef COLLECT_EXPORT_LIST
1376 #ifdef COLLECT_EXPORT_LIST
1377 /* Do the link we avoided above if we are exiting. */
1378 do_tlink (ld1_argv, object_lst);
1380 /* But make sure we delete the export file we may have created. */
1381 if (export_file != 0 && export_file[0])
1382 maybe_unlink (export_file);
1383 if (import_file != 0 && import_file[0])
1384 maybe_unlink (import_file);
1386 maybe_unlink (c_file);
1387 maybe_unlink (o_file);
1391 /* Examine the namelist with nm and search it for static constructors
1392 and destructors to call.
1393 Write the constructor and destructor tables to a .s file and reload. */
1395 /* On AIX we already scanned for global constructors/destructors. */
1396 #ifndef COLLECT_EXPORT_LIST
1397 scan_prog_file (output_file, PASS_FIRST);
1400 #ifdef SCAN_LIBRARIES
1401 scan_libraries (output_file);
1406 notice ("%d constructor(s) found\n", constructors.number);
1407 notice ("%d destructor(s) found\n", destructors.number);
1408 notice ("%d frame table(s) found\n", frame_tables.number);
1411 if (constructors.number == 0 && destructors.number == 0
1412 && frame_tables.number == 0
1413 #if defined (SCAN_LIBRARIES) || defined (COLLECT_EXPORT_LIST)
1414 /* If we will be running these functions ourselves, we want to emit
1415 stubs into the shared library so that we do not have to relink
1416 dependent programs when we add static objects. */
1421 #ifdef COLLECT_EXPORT_LIST
1422 /* Do tlink without additional code generation */
1423 do_tlink (ld1_argv, object_lst);
1425 /* Strip now if it was requested on the command line. */
1428 char **real_strip_argv = (char **) xcalloc (sizeof (char *), 3);
1429 const char ** strip_argv = (const char **) real_strip_argv;
1431 strip_argv[0] = strip_file_name;
1432 strip_argv[1] = output_file;
1433 strip_argv[2] = (char *) 0;
1434 fork_execute ("strip", real_strip_argv);
1437 #ifdef COLLECT_EXPORT_LIST
1438 maybe_unlink (export_file);
1439 maybe_unlink (import_file);
1441 maybe_unlink (c_file);
1442 maybe_unlink (o_file);
1446 /* Sort ctor and dtor lists by priority. */
1447 sort_ids (&constructors);
1448 sort_ids (&destructors);
1450 maybe_unlink(output_file);
1451 outf = fopen (c_file, "w");
1452 if (outf == (FILE *) 0)
1453 fatal_perror ("fopen %s", c_file);
1455 write_c_file (outf, c_file);
1458 fatal_perror ("fclose %s", c_file);
1460 /* Tell the linker that we have initializer and finalizer functions. */
1461 #ifdef LD_INIT_SWITCH
1462 *ld2++ = LD_INIT_SWITCH;
1464 *ld2++ = LD_FINI_SWITCH;
1468 #ifdef COLLECT_EXPORT_LIST
1471 /* If we did not add export flag to link arguments before, add it to
1472 second link phase now. No new exports should have been added. */
1473 if (! exports.first)
1475 char *buf = xmalloc (strlen (export_file) + 5);
1477 sprintf (buf, "-bE:%s", export_file);
1481 add_to_list (&exports, initname);
1482 add_to_list (&exports, fininame);
1483 add_to_list (&exports, "_GLOBAL__DI");
1484 add_to_list (&exports, "_GLOBAL__DD");
1485 exportf = fopen (export_file, "w");
1486 if (exportf == (FILE *) 0)
1487 fatal_perror ("fopen %s", export_file);
1488 write_aix_file (exportf, exports.first);
1489 if (fclose (exportf))
1490 fatal_perror ("fclose %s", export_file);
1494 /* End of arguments to second link phase. */
1499 fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
1500 output_file, c_file);
1501 write_c_file (stderr, "stderr");
1502 fprintf (stderr, "========== end of c_file\n\n");
1503 #ifdef COLLECT_EXPORT_LIST
1504 fprintf (stderr, "\n========== export_file = %s\n", export_file);
1505 write_aix_file (stderr, exports.first);
1506 fprintf (stderr, "========== end of export_file\n\n");
1510 /* Assemble the constructor and destructor tables.
1511 Link the tables in with the rest of the program. */
1513 fork_execute ("gcc", c_argv);
1514 #ifdef COLLECT_EXPORT_LIST
1515 /* On AIX we must call tlink because of possible templates resolution */
1516 do_tlink (ld2_argv, object_lst);
1518 /* Otherwise, simply call ld because tlink is already done */
1519 fork_execute ("ld", ld2_argv);
1521 /* Let scan_prog_file do any final mods (OSF/rose needs this for
1522 constructors/destructors in shared libraries. */
1523 scan_prog_file (output_file, PASS_SECOND);
1526 maybe_unlink (c_file);
1527 maybe_unlink (o_file);
1529 #ifdef COLLECT_EXPORT_LIST
1530 maybe_unlink (export_file);
1531 maybe_unlink (import_file);
1538 /* Wait for a process to finish, and exit if a non-zero status is found. */
1546 pwait (pexecute_pid, &status, 0);
1549 if (WIFSIGNALED (status))
1551 int sig = WTERMSIG (status);
1552 error ((status & 0200
1553 ? "%s terminated with signal %d [%s]"
1554 : "%s terminated with signal %d [%s], core dumped"),
1558 collect_exit (FATAL_EXIT_CODE);
1561 if (WIFEXITED (status))
1562 return WEXITSTATUS (status);
1571 int ret = collect_wait (prog);
1574 error ("%s returned %d exit status", prog, ret);
1580 /* Execute a program, and wait for the reply. */
1583 collect_execute (prog, argv, redir)
1590 int redir_handle = -1;
1591 int stdout_save = -1;
1592 int stderr_save = -1;
1600 fprintf (stderr, "%s", argv[0]);
1602 notice ("[cannot find %s]", prog);
1604 for (p_argv = &argv[1]; (str = *p_argv) != (char *) 0; p_argv++)
1605 fprintf (stderr, " %s", str);
1607 fprintf (stderr, "\n");
1613 /* If we cannot find a program we need, complain error. Do this here
1614 since we might not end up needing something that we could not find. */
1617 fatal ("cannot find `%s'", prog);
1621 /* Open response file. */
1622 redir_handle = open (redir, O_WRONLY | O_TRUNC | O_CREAT);
1624 /* Duplicate the stdout and stderr file handles
1625 so they can be restored later. */
1626 stdout_save = dup (STDOUT_FILENO);
1627 if (stdout_save == -1)
1628 fatal_perror ("redirecting stdout: %s", redir);
1629 stderr_save = dup (STDERR_FILENO);
1630 if (stderr_save == -1)
1631 fatal_perror ("redirecting stdout: %s", redir);
1633 /* Redirect stdout & stderr to our response file. */
1634 dup2 (redir_handle, STDOUT_FILENO);
1635 dup2 (redir_handle, STDERR_FILENO);
1638 pexecute_pid = pexecute (argv[0], argv, argv[0], NULL,
1639 &errmsg_fmt, &errmsg_arg,
1640 (PEXECUTE_FIRST | PEXECUTE_LAST | PEXECUTE_SEARCH));
1644 /* Restore stdout and stderr to their previous settings. */
1645 dup2 (stdout_save, STDOUT_FILENO);
1646 dup2 (stderr_save, STDERR_FILENO);
1648 /* Close reponse file. */
1649 close (redir_handle);
1652 if (pexecute_pid == -1)
1653 fatal_perror (errmsg_fmt, errmsg_arg);
1657 fork_execute (prog, argv)
1661 collect_execute (prog, argv, NULL);
1665 /* Unlink a file unless we are debugging. */
1674 notice ("[Leaving %s]\n", file);
1678 static long sequence_number = 0;
1680 /* Add a name to a linked list. */
1683 add_to_list (head_ptr, name)
1684 struct head *head_ptr;
1688 = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
1690 strcpy (newid->name, name);
1692 if (head_ptr->first)
1693 head_ptr->last->next = newid;
1695 head_ptr->first = newid;
1697 /* Check for duplicate symbols. */
1698 for (p = head_ptr->first;
1699 strcmp (name, p->name) != 0;
1704 head_ptr->last->next = 0;
1709 newid->sequence = ++sequence_number;
1710 head_ptr->last = newid;
1714 /* Grab the init priority number from an init function name that
1715 looks like "_GLOBAL_.I.12345.foo". */
1718 extract_init_priority (name)
1723 while (name[pos] == '_')
1725 pos += 10; /* strlen ("GLOBAL__X_") */
1727 /* Extract init_p number from ctor/dtor name. */
1728 pri = atoi (name + pos);
1729 return pri ? pri : DEFAULT_INIT_PRIORITY;
1732 /* Insertion sort the ids from ctor/dtor list HEAD_PTR in descending order.
1733 ctors will be run from right to left, dtors from left to right. */
1737 struct head *head_ptr;
1739 /* id holds the current element to insert. id_next holds the next
1740 element to insert. id_ptr iterates through the already sorted elements
1741 looking for the place to insert id. */
1742 struct id *id, *id_next, **id_ptr;
1744 id = head_ptr->first;
1746 /* We don't have any sorted elements yet. */
1747 head_ptr->first = NULL;
1749 for (; id; id = id_next)
1752 id->sequence = extract_init_priority (id->name);
1754 for (id_ptr = &(head_ptr->first); ; id_ptr = &((*id_ptr)->next))
1756 /* If the sequence numbers are the same, we put the id from the
1757 file later on the command line later in the list. */
1758 || id->sequence > (*id_ptr)->sequence
1759 /* Hack: do lexical compare, too.
1760 || (id->sequence == (*id_ptr)->sequence
1761 && strcmp (id->name, (*id_ptr)->name) > 0) */
1770 /* Now set the sequence numbers properly so write_c_file works. */
1771 for (id = head_ptr->first; id; id = id->next)
1772 id->sequence = ++sequence_number;
1775 /* Write: `prefix', the names on list LIST, `suffix'. */
1778 write_list (stream, prefix, list)
1785 fprintf (stream, "%sx%d,\n", prefix, list->sequence);
1790 #ifdef COLLECT_EXPORT_LIST
1791 /* This function is really used only on AIX, but may be useful. */
1793 is_in_list (prefix, list)
1799 if (!strcmp (prefix, list->name)) return 1;
1806 /* Added for debugging purpose. */
1807 #ifdef COLLECT_EXPORT_LIST
1809 dump_list (stream, prefix, list)
1816 fprintf (stream, "%s%s,\n", prefix, list->name);
1824 dump_prefix_list (stream, prefix, list)
1827 struct prefix_list *list;
1831 fprintf (stream, "%s%s,\n", prefix, list->prefix);
1838 write_list_with_asm (stream, prefix, list)
1845 fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
1846 prefix, list->sequence, list->name);
1851 /* Write out the constructor and destructor tables statically (for a shared
1852 object), along with the functions to execute them. */
1855 write_c_file_stat (stream, name)
1857 const char *name ATTRIBUTE_UNUSED;
1861 int frames = (frame_tables.number > 0);
1863 /* Figure out name of output_file, stripping off .so version. */
1864 p = rindex (output_file, '/');
1880 if (strncmp (q, ".so", 3) == 0)
1889 /* q points to null at end of the string (or . of the .so version) */
1890 prefix = xmalloc (q - p + 1);
1891 strncpy (prefix, p, q - p);
1893 for (r = prefix; *r; r++)
1894 if (!ISALNUM ((unsigned char)*r))
1897 notice ("\nwrite_c_file - output name is %s, prefix is %s\n",
1898 output_file, prefix);
1900 #define INIT_NAME_FORMAT "_GLOBAL__FI_%s"
1901 initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2);
1902 sprintf (initname, INIT_NAME_FORMAT, prefix);
1904 #define FINI_NAME_FORMAT "_GLOBAL__FD_%s"
1905 fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2);
1906 sprintf (fininame, FINI_NAME_FORMAT, prefix);
1910 /* Write the tables as C code */
1912 fprintf (stream, "static int count;\n");
1913 fprintf (stream, "typedef void entry_pt();\n");
1914 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1918 write_list_with_asm (stream, "extern void *", frame_tables.first);
1920 fprintf (stream, "\tstatic void *frame_table[] = {\n");
1921 write_list (stream, "\t\t&", frame_tables.first);
1922 fprintf (stream, "\t0\n};\n");
1924 /* This must match what's in frame.h. */
1925 fprintf (stream, "struct object {\n");
1926 fprintf (stream, " void *pc_begin;\n");
1927 fprintf (stream, " void *pc_end;\n");
1928 fprintf (stream, " void *fde_begin;\n");
1929 fprintf (stream, " void *fde_array;\n");
1930 fprintf (stream, " __SIZE_TYPE__ count;\n");
1931 fprintf (stream, " struct object *next;\n");
1932 fprintf (stream, "};\n");
1934 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
1935 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
1937 fprintf (stream, "static void reg_frame () {\n");
1938 fprintf (stream, "\tstatic struct object ob;\n");
1939 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
1940 fprintf (stream, "\t}\n");
1942 fprintf (stream, "static void dereg_frame () {\n");
1943 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
1944 fprintf (stream, "\t}\n");
1947 fprintf (stream, "void %s() {\n", initname);
1948 if (constructors.number > 0 || frames)
1950 fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
1951 write_list (stream, "\t\t", constructors.first);
1953 fprintf (stream, "\treg_frame,\n");
1954 fprintf (stream, "\t};\n");
1955 fprintf (stream, "\tentry_pt **p;\n");
1956 fprintf (stream, "\tif (count++ != 0) return;\n");
1957 fprintf (stream, "\tp = ctors + %d;\n", constructors.number + frames);
1958 fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
1961 fprintf (stream, "\t++count;\n");
1962 fprintf (stream, "}\n");
1963 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1964 fprintf (stream, "void %s() {\n", fininame);
1965 if (destructors.number > 0 || frames)
1967 fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
1968 write_list (stream, "\t\t", destructors.first);
1970 fprintf (stream, "\tdereg_frame,\n");
1971 fprintf (stream, "\t};\n");
1972 fprintf (stream, "\tentry_pt **p;\n");
1973 fprintf (stream, "\tif (--count != 0) return;\n");
1974 fprintf (stream, "\tp = dtors;\n");
1975 fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
1976 destructors.number + frames);
1978 fprintf (stream, "}\n");
1982 fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname);
1983 fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame);
1987 /* Write the constructor/destructor tables. */
1989 #ifndef LD_INIT_SWITCH
1991 write_c_file_glob (stream, name)
1993 const char *name ATTRIBUTE_UNUSED;
1995 /* Write the tables as C code */
1997 int frames = (frame_tables.number > 0);
1999 fprintf (stream, "typedef void entry_pt();\n\n");
2001 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
2005 write_list_with_asm (stream, "extern void *", frame_tables.first);
2007 fprintf (stream, "\tstatic void *frame_table[] = {\n");
2008 write_list (stream, "\t\t&", frame_tables.first);
2009 fprintf (stream, "\t0\n};\n");
2011 /* This must match what's in frame.h. */
2012 fprintf (stream, "struct object {\n");
2013 fprintf (stream, " void *pc_begin;\n");
2014 fprintf (stream, " void *pc_end;\n");
2015 fprintf (stream, " void *fde_begin;\n");
2016 fprintf (stream, " void *fde_array;\n");
2017 fprintf (stream, " __SIZE_TYPE__ count;\n");
2018 fprintf (stream, " struct object *next;\n");
2019 fprintf (stream, "};\n");
2021 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
2022 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
2024 fprintf (stream, "static void reg_frame () {\n");
2025 fprintf (stream, "\tstatic struct object ob;\n");
2026 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
2027 fprintf (stream, "\t}\n");
2029 fprintf (stream, "static void dereg_frame () {\n");
2030 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
2031 fprintf (stream, "\t}\n");
2034 fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
2035 fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number + frames);
2036 write_list (stream, "\t", constructors.first);
2038 fprintf (stream, "\treg_frame,\n");
2039 fprintf (stream, "\t0\n};\n\n");
2041 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
2043 fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
2044 fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number + frames);
2045 write_list (stream, "\t", destructors.first);
2047 fprintf (stream, "\tdereg_frame,\n");
2048 fprintf (stream, "\t0\n};\n\n");
2050 fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
2051 fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
2053 #endif /* ! LD_INIT_SWITCH */
2056 write_c_file (stream, name)
2060 fprintf (stream, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n");
2061 #ifndef LD_INIT_SWITCH
2063 write_c_file_glob (stream, name);
2066 write_c_file_stat (stream, name);
2067 fprintf (stream, "#ifdef __cplusplus\n}\n#endif\n");
2070 #ifdef COLLECT_EXPORT_LIST
2072 write_aix_file (stream, list)
2076 for (; list; list = list->next)
2078 fputs (list->name, stream);
2079 putc ('\n', stream);
2084 #ifdef OBJECT_FORMAT_NONE
2086 /* Generic version to scan the name list of the loaded program for
2087 the symbols g++ uses for static constructors and destructors.
2089 The constructor table begins at __CTOR_LIST__ and contains a count
2090 of the number of pointers (or -1 if the constructors are built in a
2091 separate section by the linker), followed by the pointers to the
2092 constructor functions, terminated with a null pointer. The
2093 destructor table has the same format, and begins at __DTOR_LIST__. */
2096 scan_prog_file (prog_name, which_pass)
2097 const char *prog_name;
2098 enum pass which_pass;
2100 void (*int_handler) PROTO ((int));
2101 void (*quit_handler) PROTO ((int));
2102 char *real_nm_argv[4];
2103 const char **nm_argv = (const char **) real_nm_argv;
2110 if (which_pass == PASS_SECOND)
2113 /* If we do not have an `nm', complain. */
2114 if (nm_file_name == 0)
2115 fatal ("cannot find `nm'");
2117 nm_argv[argc++] = nm_file_name;
2118 if (NM_FLAGS[0] != '\0')
2119 nm_argv[argc++] = NM_FLAGS;
2121 nm_argv[argc++] = prog_name;
2122 nm_argv[argc++] = (char *) 0;
2124 if (pipe (pipe_fd) < 0)
2125 fatal_perror ("pipe");
2127 inf = fdopen (pipe_fd[0], "r");
2128 if (inf == (FILE *) 0)
2129 fatal_perror ("fdopen");
2131 /* Trace if needed. */
2134 const char **p_argv;
2137 for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2138 fprintf (stderr, " %s", str);
2140 fprintf (stderr, "\n");
2146 /* Spawn child nm on pipe */
2149 fatal_perror (VFORK_STRING);
2151 if (pid == 0) /* child context */
2154 if (dup2 (pipe_fd[1], 1) < 0)
2155 fatal_perror ("dup2 %d 1", pipe_fd[1]);
2157 if (close (pipe_fd[0]) < 0)
2158 fatal_perror ("close %d", pipe_fd[0]);
2160 if (close (pipe_fd[1]) < 0)
2161 fatal_perror ("close %d", pipe_fd[1]);
2163 execv (nm_file_name, real_nm_argv);
2164 fatal_perror ("execvp %s", nm_file_name);
2167 /* Parent context from here on. */
2168 int_handler = (void (*) PROTO ((int))) signal (SIGINT, SIG_IGN);
2170 quit_handler = (void (*) PROTO ((int))) signal (SIGQUIT, SIG_IGN);
2173 if (close (pipe_fd[1]) < 0)
2174 fatal_perror ("close %d", pipe_fd[1]);
2177 fprintf (stderr, "\nnm output with constructors/destructors.\n");
2179 /* Read each line of nm output. */
2180 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2185 /* If it contains a constructor or destructor name, add the name
2186 to the appropriate list. */
2188 for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
2189 if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
2196 /* Find the end of the symbol name.
2197 Do not include `|', because Encore nm can tack that on the end. */
2198 for (end = p; (ch2 = *end) != '\0' && !ISSPACE (ch2) && ch2 != '|';
2204 switch (is_ctor_dtor (name))
2207 if (which_pass != PASS_LIB)
2208 add_to_list (&constructors, name);
2212 if (which_pass != PASS_LIB)
2213 add_to_list (&destructors, name);
2217 if (which_pass != PASS_LIB)
2218 fatal ("init function found in object %s", prog_name);
2219 #ifndef LD_INIT_SWITCH
2220 add_to_list (&constructors, name);
2225 if (which_pass != PASS_LIB)
2226 fatal ("fini function found in object %s", prog_name);
2227 #ifndef LD_FINI_SWITCH
2228 add_to_list (&destructors, name);
2233 if (which_pass != PASS_LIB)
2234 add_to_list (&frame_tables, name);
2237 default: /* not a constructor or destructor */
2242 fprintf (stderr, "\t%s\n", buf);
2246 fprintf (stderr, "\n");
2248 if (fclose (inf) != 0)
2249 fatal_perror ("fclose");
2251 do_wait (nm_file_name);
2253 signal (SIGINT, int_handler);
2255 signal (SIGQUIT, quit_handler);
2259 #if SUNOS4_SHARED_LIBRARIES
2261 /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
2262 that the output file depends upon and their initialization/finalization
2263 routines, if any. */
2268 #include <sys/mman.h>
2269 #include <sys/param.h>
2271 #include <sys/dir.h>
2273 /* pointers to the object file */
2274 unsigned object; /* address of memory mapped file */
2275 unsigned objsize; /* size of memory mapped to file */
2276 char * code; /* pointer to code segment */
2277 char * data; /* pointer to data segment */
2278 struct nlist *symtab; /* pointer to symbol table */
2279 struct link_dynamic *ld;
2280 struct link_dynamic_2 *ld_2;
2281 struct head libraries;
2283 /* Map the file indicated by NAME into memory and store its address. */
2285 static void mapfile PROTO ((const char *));
2293 if ((fp = open (name, O_RDONLY)) == -1)
2294 fatal ("unable to open file '%s'", name);
2295 if (fstat (fp, &s) == -1)
2296 fatal ("unable to stat file '%s'", name);
2298 objsize = s.st_size;
2299 object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
2301 if (object == (unsigned)-1)
2302 fatal ("unable to mmap file '%s'", name);
2307 /* Helpers for locatelib. */
2309 static const char *libname;
2311 static int libselect PROTO ((struct direct *));
2317 return (strncmp (libname, d->d_name, strlen (libname)) == 0);
2320 /* If one file has an additional numeric extension past LIBNAME, then put
2321 that one first in the sort. If both files have additional numeric
2322 extensions, then put the one with the higher number first in the sort.
2324 We must verify that the extension is numeric, because Sun saves the
2325 original versions of patched libraries with a .FCS extension. Files with
2326 invalid extensions must go last in the sort, so that they will not be used. */
2327 static int libcompare PROTO ((struct direct **, struct direct **));
2331 struct direct **d1, **d2;
2333 int i1, i2 = strlen (libname);
2334 char *e1 = (*d1)->d_name + i2;
2335 char *e2 = (*d2)->d_name + i2;
2337 while (*e1 && *e2 && *e1 == '.' && *e2 == '.'
2338 && e1[1] && ISDIGIT (e1[1]) && e2[1] && ISDIGIT (e2[1]))
2342 i1 = strtol (e1, &e1, 10);
2343 i2 = strtol (e2, &e2, 10);
2350 /* It has a valid numeric extension, prefer this one. */
2351 if (*e1 == '.' && e1[1] && ISDIGIT (e1[1]))
2353 /* It has a invalid numeric extension, must prefer the other one. */
2359 /* It has a valid numeric extension, prefer this one. */
2360 if (*e2 == '.' && e2[1] && ISDIGIT (e2[1]))
2362 /* It has a invalid numeric extension, must prefer the other one. */
2370 /* Given the name NAME of a dynamic dependency, find its pathname and add
2371 it to the list of libraries. */
2372 static void locatelib PROTO ((const char *));
2378 static const char **l;
2380 char buf[MAXPATHLEN];
2388 /* counting elements in array, need 1 extra for null */
2390 ld_rules = (char *) (ld_2->ld_rules + code);
2394 for (; *ld_rules != 0; ld_rules++)
2395 if (*ld_rules == ':')
2397 ld_rules = (char *) (ld_2->ld_rules + code);
2398 ldr = xstrdup (ld_rules);
2400 p = getenv ("LD_LIBRARY_PATH");
2405 for (q = p ; *q != 0; q++)
2410 l = (const char **) xmalloc ((cnt + 3) * sizeof (char *));
2415 for (; *ldr != 0; ldr++)
2425 for (; *q != 0; q++)
2432 /* built in directories are /lib, /usr/lib, and /usr/local/lib */
2435 *pp++ = "/usr/local/lib";
2439 for (pp = l; *pp != 0 ; pp++)
2441 struct direct **namelist;
2443 if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
2445 sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
2446 add_to_list (&libraries, buf);
2448 fprintf (stderr, "%s\n", buf);
2455 notice ("not found\n");
2457 fatal ("dynamic dependency %s not found", name);
2461 /* Scan the _DYNAMIC structure of the output file to find shared libraries
2462 that it depends upon and any constructors or destructors they contain. */
2465 scan_libraries (prog_name)
2466 const char *prog_name;
2468 struct exec *header;
2470 struct link_object *lo;
2471 char buff[MAXPATHLEN];
2474 mapfile (prog_name);
2475 header = (struct exec *)object;
2476 if (N_BADMAG (*header))
2477 fatal ("bad magic number in file '%s'", prog_name);
2478 if (header->a_dynamic == 0)
2481 code = (char *) (N_TXTOFF (*header) + (long) header);
2482 data = (char *) (N_DATOFF (*header) + (long) header);
2483 symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
2485 if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
2488 ld = (struct link_dynamic *) (symtab->n_value + code);
2494 ld = (struct link_dynamic *) data;
2499 notice ("dynamic dependencies.\n");
2501 ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
2502 for (lo = (struct link_object *) ld_2->ld_need; lo;
2503 lo = (struct link_object *) lo->lo_next)
2506 lo = (struct link_object *) ((long) lo + code);
2507 name = (char *) (code + lo->lo_name);
2511 fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
2512 sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
2518 fprintf (stderr, "\t%s\n", name);
2519 add_to_list (&libraries, name);
2524 fprintf (stderr, "\n");
2526 /* now iterate through the library list adding their symbols to
2528 for (list = libraries.first; list; list = list->next)
2529 scan_prog_file (list->name, PASS_LIB);
2532 #else /* SUNOS4_SHARED_LIBRARIES */
2535 /* Use the List Dynamic Dependencies program to find shared libraries that
2536 the output file depends upon and their initialization/finalization
2537 routines, if any. */
2540 scan_libraries (prog_name)
2541 const char *prog_name;
2543 static struct head libraries; /* list of shared libraries found */
2545 void (*int_handler) PROTO ((int));
2546 void (*quit_handler) PROTO ((int));
2547 char *real_ldd_argv[4];
2548 const char **ldd_argv = (const char **) real_ldd_argv;
2555 /* If we do not have an `ldd', complain. */
2556 if (ldd_file_name == 0)
2558 error ("cannot find `ldd'");
2562 ldd_argv[argc++] = ldd_file_name;
2563 ldd_argv[argc++] = prog_name;
2564 ldd_argv[argc++] = (char *) 0;
2566 if (pipe (pipe_fd) < 0)
2567 fatal_perror ("pipe");
2569 inf = fdopen (pipe_fd[0], "r");
2570 if (inf == (FILE *) 0)
2571 fatal_perror ("fdopen");
2573 /* Trace if needed. */
2576 const char **p_argv;
2579 for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2580 fprintf (stderr, " %s", str);
2582 fprintf (stderr, "\n");
2588 /* Spawn child ldd on pipe */
2591 fatal_perror (VFORK_STRING);
2593 if (pid == 0) /* child context */
2596 if (dup2 (pipe_fd[1], 1) < 0)
2597 fatal_perror ("dup2 %d 1", pipe_fd[1]);
2599 if (close (pipe_fd[0]) < 0)
2600 fatal_perror ("close %d", pipe_fd[0]);
2602 if (close (pipe_fd[1]) < 0)
2603 fatal_perror ("close %d", pipe_fd[1]);
2605 execv (ldd_file_name, real_ldd_argv);
2606 fatal_perror ("execv %s", ldd_file_name);
2609 /* Parent context from here on. */
2610 int_handler = (void (*) PROTO ((int))) signal (SIGINT, SIG_IGN);
2612 quit_handler = (void (*) PROTO ((int))) signal (SIGQUIT, SIG_IGN);
2615 if (close (pipe_fd[1]) < 0)
2616 fatal_perror ("close %d", pipe_fd[1]);
2619 notice ("\nldd output with constructors/destructors.\n");
2621 /* Read each line of ldd output. */
2622 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2625 char *name, *end, *p = buf;
2627 /* Extract names of libraries and add to list. */
2628 PARSE_LDD_OUTPUT (p);
2633 if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
2634 fatal ("dynamic dependency %s not found", buf);
2636 /* Find the end of the symbol name. */
2638 (ch2 = *end) != '\0' && ch2 != '\n' && !ISSPACE (ch2) && ch2 != '|';
2643 if (access (name, R_OK) == 0)
2644 add_to_list (&libraries, name);
2646 fatal ("unable to open dynamic dependency '%s'", buf);
2649 fprintf (stderr, "\t%s\n", buf);
2652 fprintf (stderr, "\n");
2654 if (fclose (inf) != 0)
2655 fatal_perror ("fclose");
2657 do_wait (ldd_file_name);
2659 signal (SIGINT, int_handler);
2661 signal (SIGQUIT, quit_handler);
2664 /* now iterate through the library list adding their symbols to
2666 for (list = libraries.first; list; list = list->next)
2667 scan_prog_file (list->name, PASS_LIB);
2670 #endif /* LDD_SUFFIX */
2671 #endif /* SUNOS4_SHARED_LIBRARIES */
2673 #endif /* OBJECT_FORMAT_NONE */
2677 * COFF specific stuff.
2680 #ifdef OBJECT_FORMAT_COFF
2682 #if defined(EXTENDED_COFF)
2683 # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
2684 # define GCC_SYMENT SYMR
2685 # define GCC_OK_SYMBOL(X) ((X).st == stProc || (X).st == stGlobal)
2686 # define GCC_SYMINC(X) (1)
2687 # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
2688 # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
2690 # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
2691 # define GCC_SYMENT SYMENT
2692 # define GCC_OK_SYMBOL(X) \
2693 (((X).n_sclass == C_EXT) && \
2694 ((X).n_scnum > N_UNDEF) && \
2696 || (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
2697 || ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
2698 # define GCC_UNDEF_SYMBOL(X) \
2699 (((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
2700 # define GCC_SYMINC(X) ((X).n_numaux+1)
2701 # define GCC_SYMZERO(X) 0
2702 # define GCC_CHECK_HDR(X) \
2703 ((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
2704 || (HEADER (X).f_magic == 0757 && aix64_flag))
2707 extern char *ldgetname ();
2709 /* COFF version to scan the name list of the loaded program for
2710 the symbols g++ uses for static constructors and destructors.
2712 The constructor table begins at __CTOR_LIST__ and contains a count
2713 of the number of pointers (or -1 if the constructors are built in a
2714 separate section by the linker), followed by the pointers to the
2715 constructor functions, terminated with a null pointer. The
2716 destructor table has the same format, and begins at __DTOR_LIST__. */
2719 scan_prog_file (prog_name, which_pass)
2720 const char *prog_name;
2721 enum pass which_pass;
2723 LDFILE *ldptr = NULL;
2724 int sym_index, sym_count;
2726 #ifdef COLLECT_EXPORT_LIST
2727 /* Should we generate an import list for given prog_name? */
2728 int import_flag = (which_pass == PASS_OBJ ? 0 : use_import_list (prog_name));
2731 if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
2734 #ifdef COLLECT_EXPORT_LIST
2735 /* We do not need scanning for some standard C libraries. */
2736 if (which_pass == PASS_FIRST && ignore_library (prog_name))
2739 /* On AIX we have a loop, because there is not much difference
2740 between an object and an archive. This trick allows us to
2741 eliminate scan_libraries() function. */
2745 /* Some platforms (e.g. OSF4) declare ldopen as taking a
2746 non-const char * filename parameter, even though it will not
2747 modify that string. So we must cast away const-ness here,
2748 which will cause -Wcast-qual to burp. */
2749 if ((ldptr = ldopen ((char *)prog_name, ldptr)) != NULL)
2751 if (! MY_ISCOFF (HEADER (ldptr).f_magic))
2752 fatal ("%s: not a COFF file", prog_name);
2754 if (GCC_CHECK_HDR (ldptr))
2756 sym_count = GCC_SYMBOLS (ldptr);
2757 sym_index = GCC_SYMZERO (ldptr);
2759 #ifdef COLLECT_EXPORT_LIST
2760 /* Is current archive member a shared object? */
2761 is_shared = HEADER (ldptr).f_flags & F_SHROBJ;
2764 while (sym_index < sym_count)
2768 if (ldtbread (ldptr, sym_index, &symbol) <= 0)
2770 sym_index += GCC_SYMINC (symbol);
2772 if (GCC_OK_SYMBOL (symbol))
2776 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2777 continue; /* should never happen */
2779 #ifdef XCOFF_DEBUGGING_INFO
2780 /* All AIX function names have a duplicate entry
2781 beginning with a dot. */
2786 switch (is_ctor_dtor (name))
2789 if (! is_shared) add_to_list (&constructors, name);
2790 #ifdef COLLECT_EXPORT_LIST
2791 if (which_pass == PASS_OBJ)
2792 add_to_list (&exports, name);
2793 /* If this symbol was undefined and we are building
2794 an import list, we should add a symbol to this
2798 && is_in_list (name, undefined.first))
2799 add_to_list (&imports, name);
2804 if (! is_shared) add_to_list (&destructors, name);
2805 #ifdef COLLECT_EXPORT_LIST
2806 if (which_pass == PASS_OBJ)
2807 add_to_list (&exports, name);
2808 /* If this symbol was undefined and we are building
2809 an import list, we should add a symbol to this
2813 && is_in_list (name, undefined.first))
2814 add_to_list (&imports, name);
2818 #ifdef COLLECT_EXPORT_LIST
2821 add_to_list (&constructors, name);
2826 add_to_list (&destructors, name);
2832 add_to_list (&frame_tables, name);
2835 default: /* not a constructor or destructor */
2836 #ifdef COLLECT_EXPORT_LIST
2837 /* If we are building a shared object on AIX we need
2838 to explicitly export all global symbols or add
2839 them to import list. */
2842 if (which_pass == PASS_OBJ && (! export_flag))
2843 add_to_list (&exports, name);
2844 else if (! is_shared && which_pass == PASS_FIRST
2846 && is_in_list(name, undefined.first))
2847 add_to_list (&imports, name);
2853 #if !defined(EXTENDED_COFF)
2855 fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
2856 symbol.n_scnum, symbol.n_sclass,
2857 (symbol.n_type ? "0" : ""), symbol.n_type,
2862 "\tiss = %5d, value = %5ld, index = %5d, name = %s\n",
2863 symbol.iss, (long) symbol.value, symbol.index, name);
2866 #ifdef COLLECT_EXPORT_LIST
2867 /* If we are building a shared object we should collect
2868 information about undefined symbols for later
2869 import list generation. */
2870 else if (shared_obj && GCC_UNDEF_SYMBOL (symbol))
2874 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2875 continue; /* should never happen */
2877 /* All AIX function names have a duplicate entry
2878 beginning with a dot. */
2881 add_to_list (&undefined, name);
2886 #ifdef COLLECT_EXPORT_LIST
2889 /* If archive contains both 32-bit and 64-bit objects,
2890 we want to skip objects in other mode so mismatch normal. */
2892 fprintf (stderr, "%s : magic=%o aix64=%d mismatch\n",
2893 prog_name, HEADER (ldptr).f_magic, aix64_flag);
2899 fatal ("%s: cannot open as COFF file", prog_name);
2901 #ifdef COLLECT_EXPORT_LIST
2902 /* On AIX loop continues while there are more members in archive. */
2904 while (ldclose (ldptr) == FAILURE);
2906 /* Otherwise we simply close ldptr. */
2907 (void) ldclose(ldptr);
2912 #ifdef COLLECT_EXPORT_LIST
2914 /* This new function is used to decide whether we should
2915 generate import list for an object or to use it directly. */
2917 use_import_list (prog_name)
2918 const char *prog_name;
2922 /* If we do not build a shared object then import list should not be used. */
2923 if (! shared_obj) return 0;
2925 /* Currently we check only for libgcc, but this can be changed in future. */
2926 p = strstr (prog_name, "libgcc.a");
2927 if (p != 0 && (strlen (p) == sizeof ("libgcc.a") - 1))
2932 /* Given a library name without "lib" prefix, this function
2933 returns a full library name including a path. */
2935 resolve_lib_name (name)
2941 for (i = 0; libpaths[i]; i++)
2942 if (libpaths[i]->max_len > l)
2943 l = libpaths[i]->max_len;
2945 lib_buf = xmalloc (l + strlen(name) + 10);
2947 for (i = 0; libpaths[i]; i++)
2949 struct prefix_list *list = libpaths[i]->plist;
2950 for (; list; list = list->next)
2952 for (j = 0; libexts[j]; j++)
2954 /* The following lines are needed because path_prefix list
2955 may contain directories both with trailing '/' and
2958 if (list->prefix[strlen(list->prefix)-1] != '/')
2960 sprintf (lib_buf, "%s%slib%s.%s",
2961 list->prefix, p, name, libexts[j]);
2962 if (debug) fprintf (stderr, "searching for: %s\n", lib_buf);
2963 if (file_exists (lib_buf))
2965 if (debug) fprintf (stderr, "found: %s\n", lib_buf);
2972 fprintf (stderr, "not found\n");
2974 fatal ("Library lib%s not found", name);
2978 /* Array of standard AIX libraries which should not
2979 be scanned for ctors/dtors. */
2980 static const char *aix_std_libs[] = {
2985 "/usr/lib/libc_r.a",
2986 "/usr/lib/threads/libc.a",
2987 "/usr/ccs/lib/libc.a",
2988 "/usr/ccs/lib/libc_r.a",
2992 /* This function checks the filename and returns 1
2993 if this name matches the location of a standard AIX library. */
2995 ignore_library (name)
2998 const char **p = &aix_std_libs[0];
2999 while (*p++ != NULL)
3000 if (! strcmp (name, *p)) return 1;
3006 #endif /* OBJECT_FORMAT_COFF */
3010 * OSF/rose specific stuff.
3013 #ifdef OBJECT_FORMAT_ROSE
3015 /* Union of the various load commands */
3017 typedef union load_union
3019 ldc_header_t hdr; /* common header */
3020 load_cmd_map_command_t map; /* map indexing other load cmds */
3021 interpreter_command_t iprtr; /* interpreter pathname */
3022 strings_command_t str; /* load commands strings section */
3023 region_command_t region; /* region load command */
3024 reloc_command_t reloc; /* relocation section */
3025 package_command_t pkg; /* package load command */
3026 symbols_command_t sym; /* symbol sections */
3027 entry_command_t ent; /* program start section */
3028 gen_info_command_t info; /* object information */
3029 func_table_command_t func; /* function constructors/destructors */
3032 /* Structure to point to load command and data section in memory. */
3034 typedef struct load_all
3036 load_union_t *load; /* load command */
3037 char *section; /* pointer to section */
3040 /* Structure to contain information about a file mapped into memory. */
3044 char *start; /* start of map */
3045 char *name; /* filename */
3046 long size; /* size of the file */
3047 long rounded_size; /* size rounded to page boundary */
3048 int fd; /* file descriptor */
3049 int rw; /* != 0 if opened read/write */
3050 int use_mmap; /* != 0 if mmap'ed */
3053 extern int decode_mach_o_hdr ();
3054 extern int encode_mach_o_hdr ();
3056 static void add_func_table PROTO((mo_header_t *, load_all_t *,
3057 symbol_info_t *, int));
3058 static void print_header PROTO((mo_header_t *));
3059 static void print_load_command PROTO((load_union_t *, size_t, int));
3060 static void bad_header PROTO((int));
3061 static struct file_info *read_file PROTO((const char *, int, int));
3062 static void end_file PROTO((struct file_info *));
3064 /* OSF/rose specific version to scan the name list of the loaded
3065 program for the symbols g++ uses for static constructors and
3068 The constructor table begins at __CTOR_LIST__ and contains a count
3069 of the number of pointers (or -1 if the constructors are built in a
3070 separate section by the linker), followed by the pointers to the
3071 constructor functions, terminated with a null pointer. The
3072 destructor table has the same format, and begins at __DTOR_LIST__. */
3075 scan_prog_file (prog_name, which_pass)
3076 const char *prog_name;
3077 enum pass which_pass;
3081 load_all_t *load_array;
3082 load_all_t *load_end;
3083 load_all_t *load_cmd;
3084 int symbol_load_cmds;
3090 struct file_info *obj_file;
3092 mo_lcid_t cmd_strings = -1;
3093 symbol_info_t *main_sym = 0;
3094 int rw = (which_pass != PASS_FIRST);
3096 prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
3098 fatal_perror ("open %s", prog_name);
3100 obj_file = read_file (prog_name, prog_fd, rw);
3101 obj = obj_file->start;
3103 status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
3104 if (status != MO_HDR_CONV_SUCCESS)
3105 bad_header (status);
3108 /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
3109 since the hardware will automatically swap bytes for us on loading little endian
3112 #ifndef CROSS_COMPILE
3113 if (hdr.moh_magic != MOH_MAGIC_MSB
3114 || hdr.moh_header_version != MOH_HEADER_VERSION
3115 || hdr.moh_byte_order != OUR_BYTE_ORDER
3116 || hdr.moh_data_rep_id != OUR_DATA_REP_ID
3117 || hdr.moh_cpu_type != OUR_CPU_TYPE
3118 || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
3119 || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
3121 fatal ("incompatibilities between object file & expected values");
3126 print_header (&hdr);
3128 offset = hdr.moh_first_cmd_off;
3129 load_end = load_array
3130 = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
3132 /* Build array of load commands, calculating the offsets */
3133 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3135 load_union_t *load_hdr; /* load command header */
3137 load_cmd = load_end++;
3138 load_hdr = (load_union_t *) (obj + offset);
3140 /* If modifying the program file, copy the header. */
3143 load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
3144 bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size);
3147 /* null out old command map, because we will rewrite at the end. */
3148 if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
3150 cmd_strings = ptr->map.lcm_ld_cmd_strings;
3151 ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
3155 load_cmd->load = load_hdr;
3156 if (load_hdr->hdr.ldci_section_off > 0)
3157 load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
3160 print_load_command (load_hdr, offset, i);
3162 offset += load_hdr->hdr.ldci_cmd_size;
3165 /* If the last command is the load command map and is not undefined,
3166 decrement the count of load commands. */
3167 if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
3170 hdr.moh_n_load_cmds--;
3173 /* Go through and process each symbol table section. */
3174 symbol_load_cmds = 0;
3175 for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
3177 load_union_t *load_hdr = load_cmd->load;
3179 if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
3185 const char *kind = "unknown";
3187 switch (load_hdr->sym.symc_kind)
3189 case SYMC_IMPORTS: kind = "imports"; break;
3190 case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
3191 case SYMC_STABS: kind = "stabs"; break;
3194 notice ("\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
3195 symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
3198 if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
3201 str_sect = load_array[load_hdr->sym.symc_strings_section].section;
3202 if (str_sect == (char *) 0)
3203 fatal ("string section missing");
3205 if (load_cmd->section == (char *) 0)
3206 fatal ("section pointer missing");
3208 num_syms = load_hdr->sym.symc_nentries;
3209 for (i = 0; i < num_syms; i++)
3211 symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
3212 char *name = sym->si_name.symbol_name + str_sect;
3219 char *n = name + strlen (name) - strlen (NAME__MAIN);
3221 if ((n - name) < 0 || strcmp (n, NAME__MAIN))
3231 switch (is_ctor_dtor (name))
3234 add_to_list (&constructors, name);
3238 add_to_list (&destructors, name);
3241 default: /* not a constructor or destructor */
3247 fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
3248 sym->si_type, sym->si_sc_type, sym->si_flags, name);
3253 if (symbol_load_cmds == 0)
3254 fatal ("no symbol table found");
3256 /* Update the program file now, rewrite header and load commands. At present,
3257 we assume that there is enough space after the last load command to insert
3258 one more. Since the first section written out is page aligned, and the
3259 number of load commands is small, this is ok for the present. */
3263 load_union_t *load_map;
3266 if (cmd_strings == -1)
3267 fatal ("no cmd_strings found");
3269 /* Add __main to initializer list.
3270 If we are building a program instead of a shared library, do not
3271 do anything, since in the current version, you cannot do mallocs
3272 and such in the constructors. */
3274 if (main_sym != (symbol_info_t *) 0
3275 && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
3276 add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
3279 notice ("\nUpdating header and load commands.\n\n");
3281 hdr.moh_n_load_cmds++;
3282 size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
3284 /* Create new load command map. */
3286 notice ("load command map, %d cmds, new size %ld.\n",
3287 (int) hdr.moh_n_load_cmds, (long) size);
3289 load_map = (load_union_t *) xcalloc (1, size);
3290 load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
3291 load_map->map.ldc_header.ldci_cmd_size = size;
3292 load_map->map.lcm_ld_cmd_strings = cmd_strings;
3293 load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
3294 load_array[hdr.moh_n_load_cmds-1].load = load_map;
3296 offset = hdr.moh_first_cmd_off;
3297 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3299 load_map->map.lcm_map[i] = offset;
3300 if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
3301 hdr.moh_load_map_cmd_off = offset;
3303 offset += load_array[i].load->hdr.ldci_cmd_size;
3306 hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
3309 print_header (&hdr);
3312 status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
3313 if (status != MO_HDR_CONV_SUCCESS)
3314 bad_header (status);
3317 notice ("writing load commands.\n\n");
3319 /* Write load commands */
3320 offset = hdr.moh_first_cmd_off;
3321 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3323 load_union_t *load_hdr = load_array[i].load;
3324 size_t size = load_hdr->hdr.ldci_cmd_size;
3327 print_load_command (load_hdr, offset, i);
3329 bcopy ((char *) load_hdr, (char *) (obj + offset), size);
3334 end_file (obj_file);
3336 if (close (prog_fd))
3337 fatal_perror ("close %s", prog_name);
3340 fprintf (stderr, "\n");
3344 /* Add a function table to the load commands to call a function
3345 on initiation or termination of the process. */
3348 add_func_table (hdr_p, load_array, sym, type)
3349 mo_header_t *hdr_p; /* pointer to global header */
3350 load_all_t *load_array; /* array of ptrs to load cmds */
3351 symbol_info_t *sym; /* pointer to symbol entry */
3352 int type; /* fntc_type value */
3354 /* Add a new load command. */
3355 int num_cmds = ++hdr_p->moh_n_load_cmds;
3356 int load_index = num_cmds - 1;
3357 size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
3358 load_union_t *ptr = xcalloc (1, size);
3359 load_all_t *load_cmd;
3362 /* Set the unresolved address bit in the header to force the loader to be
3363 used, since kernel exec does not call the initialization functions. */
3364 hdr_p->moh_flags |= MOH_UNRESOLVED_F;
3366 load_cmd = &load_array[load_index];
3367 load_cmd->load = ptr;
3368 load_cmd->section = (char *) 0;
3370 /* Fill in func table load command. */
3371 ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
3372 ptr->func.ldc_header.ldci_cmd_size = size;
3373 ptr->func.ldc_header.ldci_section_off = 0;
3374 ptr->func.ldc_header.ldci_section_len = 0;
3375 ptr->func.fntc_type = type;
3376 ptr->func.fntc_nentries = 1;
3378 /* copy address, turn it from abs. address to (region,offset) if necessary. */
3379 /* Is the symbol already expressed as (region, offset)? */
3380 if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
3382 ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
3383 ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
3386 /* If not, figure out which region it's in. */
3389 mo_vm_addr_t addr = sym->si_value.abs_val;
3392 for (i = 0; i < load_index; i++)
3394 if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
3396 region_command_t *region_ptr = &load_array[i].load->region;
3398 if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
3399 && addr >= region_ptr->regc_addr.vm_addr
3400 && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
3402 ptr->func.fntc_entry_loc[0].adr_lcid = i;
3403 ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
3411 fatal ("could not convert 0x%l.8x into a region", addr);
3415 notice ("%s function, region %d, offset = %ld (0x%.8lx)\n",
3416 type == FNTC_INITIALIZATION ? "init" : "term",
3417 (int) ptr->func.fntc_entry_loc[i].adr_lcid,
3418 (long) ptr->func.fntc_entry_loc[i].adr_sctoff,
3419 (long) ptr->func.fntc_entry_loc[i].adr_sctoff);
3424 /* Print the global header for an OSF/rose object. */
3427 print_header (hdr_ptr)
3428 mo_header_t *hdr_ptr;
3430 fprintf (stderr, "\nglobal header:\n");
3431 fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
3432 fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
3433 fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
3434 fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
3435 fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
3436 fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
3437 fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
3438 fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
3439 fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
3440 fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
3441 fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
3442 fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
3443 fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
3444 fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
3445 fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
3447 if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
3448 fprintf (stderr, ", relocatable");
3450 if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
3451 fprintf (stderr, ", linkable");
3453 if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
3454 fprintf (stderr, ", execable");
3456 if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
3457 fprintf (stderr, ", executable");
3459 if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
3460 fprintf (stderr, ", unresolved");
3462 fprintf (stderr, "\n\n");
3467 /* Print a short summary of a load command. */
3470 print_load_command (load_hdr, offset, number)
3471 load_union_t *load_hdr;
3475 mo_long_t type = load_hdr->hdr.ldci_cmd_type;
3476 const char *type_str = (char *) 0;
3480 case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
3481 case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
3482 case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
3483 case LDC_STRINGS: type_str = "STRINGS"; break;
3484 case LDC_REGION: type_str = "REGION"; break;
3485 case LDC_RELOC: type_str = "RELOC"; break;
3486 case LDC_PACKAGE: type_str = "PACKAGE"; break;
3487 case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
3488 case LDC_ENTRY: type_str = "ENTRY"; break;
3489 case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
3490 case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
3494 "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
3496 (long) load_hdr->hdr.ldci_cmd_size,
3498 (long) load_hdr->hdr.ldci_section_off,
3499 (long) load_hdr->hdr.ldci_section_len);
3501 if (type_str == (char *) 0)
3502 fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
3504 else if (type != LDC_REGION)
3505 fprintf (stderr, ", ty: %s\n", type_str);
3509 const char *region = "";
3510 switch (load_hdr->region.regc_usage_type)
3512 case REG_TEXT_T: region = ", .text"; break;
3513 case REG_DATA_T: region = ", .data"; break;
3514 case REG_BSS_T: region = ", .bss"; break;
3515 case REG_GLUE_T: region = ", .glue"; break;
3516 #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
3517 case REG_RDATA_T: region = ", .rdata"; break;
3518 case REG_SDATA_T: region = ", .sdata"; break;
3519 case REG_SBSS_T: region = ", .sbss"; break;
3523 fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
3525 (long) load_hdr->region.regc_vm_addr,
3526 (long) load_hdr->region.regc_vm_size,
3534 /* Fatal error when {en,de}code_mach_o_header fails. */
3542 case MO_ERROR_BAD_MAGIC: fatal ("bad magic number");
3543 case MO_ERROR_BAD_HDR_VERS: fatal ("bad header version");
3544 case MO_ERROR_BAD_RAW_HDR_VERS: fatal ("bad raw header version");
3545 case MO_ERROR_BUF2SML: fatal ("raw header buffer too small");
3546 case MO_ERROR_OLD_RAW_HDR_FILE: fatal ("old raw header file");
3547 case MO_ERROR_UNSUPPORTED_VERS: fatal ("unsupported version");
3549 fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
3554 /* Read a file into a memory buffer. */
3556 static struct file_info *
3557 read_file (name, fd, rw)
3558 const char *name; /* filename */
3559 int fd; /* file descriptor */
3560 int rw; /* read/write */
3562 struct stat stat_pkt;
3563 struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
3565 static int page_size;
3568 if (fstat (fd, &stat_pkt) < 0)
3569 fatal_perror ("fstat %s", name);
3572 p->size = stat_pkt.st_size;
3573 p->rounded_size = stat_pkt.st_size;
3579 fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
3582 page_size = sysconf (_SC_PAGE_SIZE);
3584 p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
3585 p->start = mmap ((caddr_t) 0,
3586 (rw) ? p->rounded_size : p->size,
3587 (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
3588 MAP_FILE | MAP_VARIABLE | MAP_SHARED,
3592 if (p->start != (char *) 0 && p->start != (char *) -1)
3596 #endif /* USE_MMAP */
3601 fprintf (stderr, "read %s\n", name);
3604 p->start = xmalloc (p->size);
3605 if (lseek (fd, 0L, SEEK_SET) < 0)
3606 fatal_perror ("lseek %s 0", name);
3608 len = read (fd, p->start, p->size);
3610 fatal_perror ("read %s", name);
3613 fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
3619 /* Do anything necessary to write a file back from memory. */
3623 struct file_info *ptr; /* file information block */
3631 fprintf (stderr, "msync %s\n", ptr->name);
3633 if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
3634 fatal_perror ("msync %s", ptr->name);
3638 fprintf (stderr, "munmap %s\n", ptr->name);
3640 if (munmap (ptr->start, ptr->size))
3641 fatal_perror ("munmap %s", ptr->name);
3644 #endif /* USE_MMAP */
3651 fprintf (stderr, "write %s\n", ptr->name);
3653 if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
3654 fatal_perror ("lseek %s 0", ptr->name);
3656 len = write (ptr->fd, ptr->start, ptr->size);
3658 fatal_perror ("write %s", ptr->name);
3660 if (len != ptr->size)
3661 fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
3670 #endif /* OBJECT_FORMAT_ROSE */