1 /* Collect static initialization info into data structures that can be
2 traversed by C++ initialization and finalization routines.
3 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
4 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
5 Contributed by Chris Smith (csmith@convex.com).
6 Heavily modified by Michael Meissner (meissner@cygnus.com),
7 Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
9 This file is part of GCC.
11 GCC is free software; you can redistribute it and/or modify it under
12 the terms of the GNU General Public License as published by the Free
13 Software Foundation; either version 2, or (at your option) any later
16 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
17 WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with GCC; see the file COPYING. If not, write to the Free
23 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
27 /* Build tables of static constructors and destructors and run ld. */
32 #if ! defined( SIGCHLD ) && defined( SIGCLD )
33 # define SIGCHLD SIGCLD
36 #ifdef vfork /* Autoconf may define this to fork for us. */
37 # define VFORK_STRING "fork"
39 # define VFORK_STRING "vfork"
45 #define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
46 lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
49 #ifndef LIBRARY_PATH_ENV
50 #define LIBRARY_PATH_ENV "LIBRARY_PATH"
61 /* Obstack allocation and deallocation routines. */
62 #define obstack_chunk_alloc xmalloc
63 #define obstack_chunk_free free
65 /* On certain systems, we have code that works by scanning the object file
66 directly. But this code uses system-specific header files and library
67 functions, so turn it off in a cross-compiler. Likewise, the names of
68 the utilities are not correct for a cross-compiler; we have to hope that
69 cross-versions are in the proper directories. */
72 #undef SUNOS4_SHARED_LIBRARIES
73 #undef OBJECT_FORMAT_COFF
74 #undef OBJECT_FORMAT_ROSE
76 #undef REAL_LD_FILE_NAME
77 #undef REAL_NM_FILE_NAME
78 #undef REAL_STRIP_FILE_NAME
81 /* If we cannot use a special method, use the ordinary one:
82 run nm to find what symbols are present.
83 In a cross-compiler, this means you need a cross nm,
84 but that is not quite as unpleasant as special headers. */
86 #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
87 #define OBJECT_FORMAT_NONE
90 #ifdef OBJECT_FORMAT_COFF
99 /* Many versions of ldfcn.h define these. */
107 /* Some systems have an ISCOFF macro, but others do not. In some cases
108 the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
109 that either do not have an ISCOFF macro in /usr/include or for those
110 where it is wrong. */
113 #define MY_ISCOFF(X) ISCOFF (X)
116 #endif /* OBJECT_FORMAT_COFF */
118 #ifdef OBJECT_FORMAT_ROSE
125 #include <sys/mman.h>
129 #include <mach_o_format.h>
130 #include <mach_o_header.h>
131 #include <mach_o_vals.h>
132 #include <mach_o_types.h>
134 #endif /* OBJECT_FORMAT_ROSE */
136 #ifdef OBJECT_FORMAT_NONE
138 /* Default flags to pass to nm. */
140 #define NM_FLAGS "-n"
143 #endif /* OBJECT_FORMAT_NONE */
145 /* Some systems use __main in a way incompatible with its use in gcc, in these
146 cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
147 give the same symbol without quotes for an alternative entry point. You
148 must define both, or neither. */
150 #define NAME__MAIN "__main"
151 #define SYMBOL__MAIN __main
154 /* This must match tree.h. */
155 #define DEFAULT_INIT_PRIORITY 65535
157 #ifndef COLLECT_SHARED_INIT_FUNC
158 #define COLLECT_SHARED_INIT_FUNC(STREAM, FUNC) \
159 fprintf ((STREAM), "void _GLOBAL__DI() {\n\t%s();\n}\n", (FUNC))
161 #ifndef COLLECT_SHARED_FINI_FUNC
162 #define COLLECT_SHARED_FINI_FUNC(STREAM, FUNC) \
163 fprintf ((STREAM), "void _GLOBAL__DD() {\n\t%s();\n}\n", (FUNC))
166 #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
167 #define SCAN_LIBRARIES
171 int do_collecting = 1;
173 int do_collecting = 0;
176 /* Nonzero if we should suppress the automatic demangling of identifiers
177 in linker error messages. Set from COLLECT_NO_DEMANGLE. */
180 /* Linked lists of constructor and destructor names. */
196 /* Enumeration giving which pass this is for scanning the program file. */
199 PASS_FIRST, /* without constructors */
200 PASS_OBJ, /* individual objects */
201 PASS_LIB, /* looking for shared libraries */
202 PASS_SECOND /* with constructors linked in */
205 int vflag; /* true if -v */
206 static int rflag; /* true if -r */
207 static int strip_flag; /* true if -s */
208 #ifdef COLLECT_EXPORT_LIST
209 static int export_flag; /* true if -bE */
210 static int aix64_flag; /* true if -b64 */
213 int debug; /* true if -debug */
215 static int shared_obj; /* true if -shared */
217 static const char *c_file; /* <xxx>.c for constructor/destructor list. */
218 static const char *o_file; /* <xxx>.o for constructor/destructor list. */
219 #ifdef COLLECT_EXPORT_LIST
220 static const char *export_file; /* <xxx>.x for AIX export list. */
222 const char *ldout; /* File for ld errors. */
223 static const char *output_file; /* Output file for ld. */
224 static const char *nm_file_name; /* pathname of nm */
226 static const char *ldd_file_name; /* pathname of ldd (or equivalent) */
228 static const char *strip_file_name; /* pathname of strip */
229 const char *c_file_name; /* pathname of gcc */
230 static char *initname, *fininame; /* names of init and fini funcs */
232 static struct head constructors; /* list of constructors found */
233 static struct head destructors; /* list of destructors found */
234 #ifdef COLLECT_EXPORT_LIST
235 static struct head exports; /* list of exported symbols */
237 static struct head frame_tables; /* list of frame unwind info tables */
239 struct obstack temporary_obstack;
240 struct obstack permanent_obstack;
241 char * temporary_firstobj;
243 /* Holds the return value of pexecute. */
246 /* Defined in the automatically-generated underscore.c. */
247 extern int prepends_underscore;
249 /* Structure to hold all the directories in which to search for files to
254 const char *prefix; /* String to prepend to the path. */
255 struct prefix_list *next; /* Next in linked list. */
260 struct prefix_list *plist; /* List of prefixes to try */
261 int max_len; /* Max length of a prefix in PLIST */
262 const char *name; /* Name of this list (used in config stuff) */
265 #ifdef COLLECT_EXPORT_LIST
266 /* Lists to keep libraries to be scanned for global constructors/destructors. */
267 static struct head libs; /* list of libraries */
268 static struct path_prefix cmdline_lib_dirs; /* directories specified with -L */
269 static struct path_prefix libpath_lib_dirs; /* directories in LIBPATH */
270 static struct path_prefix *libpaths[3] = {&cmdline_lib_dirs,
271 &libpath_lib_dirs, NULL};
272 static const char *const libexts[3] = {"a", "so", NULL}; /* possible library extensions */
275 static void handler PARAMS ((int));
276 static int is_ctor_dtor PARAMS ((const char *));
277 static char *find_a_file PARAMS ((struct path_prefix *, const char *));
278 static void add_prefix PARAMS ((struct path_prefix *, const char *));
279 static void prefix_from_env PARAMS ((const char *, struct path_prefix *));
280 static void prefix_from_string PARAMS ((const char *, struct path_prefix *));
281 static void do_wait PARAMS ((const char *));
282 static void fork_execute PARAMS ((const char *, char **));
283 static void maybe_unlink PARAMS ((const char *));
284 static void add_to_list PARAMS ((struct head *, const char *));
285 static int extract_init_priority PARAMS ((const char *));
286 static void sort_ids PARAMS ((struct head *));
287 static void write_list PARAMS ((FILE *, const char *, struct id *));
288 #ifdef COLLECT_EXPORT_LIST
289 static void dump_list PARAMS ((FILE *, const char *, struct id *));
292 static void dump_prefix_list PARAMS ((FILE *, const char *, struct prefix_list *));
294 static void write_list_with_asm PARAMS ((FILE *, const char *, struct id *));
295 static void write_c_file PARAMS ((FILE *, const char *));
296 static void write_c_file_stat PARAMS ((FILE *, const char *));
297 #ifndef LD_INIT_SWITCH
298 static void write_c_file_glob PARAMS ((FILE *, const char *));
300 static void scan_prog_file PARAMS ((const char *, enum pass));
301 #ifdef SCAN_LIBRARIES
302 static void scan_libraries PARAMS ((const char *));
304 #if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
305 static int is_in_args PARAMS ((const char *, const char **, const char **));
307 #ifdef COLLECT_EXPORT_LIST
309 static int is_in_list PARAMS ((const char *, struct id *));
311 static void write_aix_file PARAMS ((FILE *, struct id *));
312 static char *resolve_lib_name PARAMS ((const char *));
313 static int ignore_library PARAMS ((const char *));
315 static char *extract_string PARAMS ((const char **));
318 static int dup2 PARAMS ((int, int));
331 while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
334 close (fdtmp[--fdx]);
338 #endif /* ! HAVE_DUP2 */
340 /* Delete tempfiles and exit function. */
343 collect_exit (status)
346 if (c_file != 0 && c_file[0])
347 maybe_unlink (c_file);
349 if (o_file != 0 && o_file[0])
350 maybe_unlink (o_file);
352 #ifdef COLLECT_EXPORT_LIST
353 if (export_file != 0 && export_file[0])
354 maybe_unlink (export_file);
357 if (ldout != 0 && ldout[0])
360 maybe_unlink (ldout);
363 if (status != 0 && output_file != 0 && output_file[0])
364 maybe_unlink (output_file);
370 /* Notify user of a non-error. */
372 notice VPARAMS ((const char *msgid, ...))
375 VA_FIXEDARG (ap, const char *, msgid);
377 vfprintf (stderr, _(msgid), ap);
381 /* Die when sys call fails. */
384 fatal_perror VPARAMS ((const char * msgid, ...))
389 VA_FIXEDARG (ap, const char *, msgid);
391 fprintf (stderr, "collect2: ");
392 vfprintf (stderr, _(msgid), ap);
393 fprintf (stderr, ": %s\n", xstrerror (e));
396 collect_exit (FATAL_EXIT_CODE);
402 fatal VPARAMS ((const char * msgid, ...))
405 VA_FIXEDARG (ap, const char *, msgid);
407 fprintf (stderr, "collect2: ");
408 vfprintf (stderr, _(msgid), ap);
409 fprintf (stderr, "\n");
412 collect_exit (FATAL_EXIT_CODE);
415 /* Write error message. */
418 error VPARAMS ((const char * msgid, ...))
421 VA_FIXEDARG (ap, const char *, msgid);
423 fprintf (stderr, "collect2: ");
424 vfprintf (stderr, _(msgid), ap);
425 fprintf (stderr, "\n");
429 /* In case obstack is linked in, and abort is defined to fancy_abort,
430 provide a default entry. */
435 fatal ("internal error");
442 if (c_file != 0 && c_file[0])
443 maybe_unlink (c_file);
445 if (o_file != 0 && o_file[0])
446 maybe_unlink (o_file);
448 if (ldout != 0 && ldout[0])
449 maybe_unlink (ldout);
451 #ifdef COLLECT_EXPORT_LIST
452 if (export_file != 0 && export_file[0])
453 maybe_unlink (export_file);
456 signal (signo, SIG_DFL);
457 kill (getpid (), signo);
465 return access (name, R_OK) == 0;
468 /* Parse a reasonable subset of shell quoting syntax. */
485 obstack_1grow (&temporary_obstack, c);
486 else if (! inside && c == ' ')
488 else if (! inside && c == '\\')
493 obstack_1grow (&temporary_obstack, c);
496 obstack_1grow (&temporary_obstack, '\0');
498 return obstack_finish (&temporary_obstack);
505 FILE *stream = fopen (name, "r");
512 while (c = getc (stream),
513 c != EOF && (ISIDNUM (c) || c == '$' || c == '.'))
514 obstack_1grow (&temporary_obstack, c);
515 if (obstack_object_size (&temporary_obstack) > 0)
517 const char *word, *p;
519 obstack_1grow (&temporary_obstack, '\0');
520 word = obstack_finish (&temporary_obstack);
523 ++word, putc ('.', stderr);
525 if (*p == '_' && prepends_underscore)
531 result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE);
536 fputs (result, stderr);
538 diff = strlen (word) - strlen (result);
539 while (diff > 0 && c == ' ')
540 --diff, putc (' ', stderr);
541 while (diff < 0 && c == ' ')
542 ++diff, c = getc (stream);
547 fputs (word, stderr);
550 obstack_free (&temporary_obstack, temporary_firstobj);
559 /* Decide whether the given symbol is: a constructor (1), a destructor
560 (2), a routine in a shared object that calls all the constructors
561 (3) or destructors (4), a DWARF exception-handling table (5), or
562 nothing special (0). */
568 struct names { const char *const name; const int len; const int ret;
569 const int two_underscores; };
571 const struct names *p;
573 const char *orig_s = s;
575 static const struct names special[] = {
576 #ifndef NO_DOLLAR_IN_LABEL
577 { "GLOBAL__I$", sizeof ("GLOBAL__I$")-1, 1, 0 },
578 { "GLOBAL__D$", sizeof ("GLOBAL__D$")-1, 2, 0 },
580 #ifndef NO_DOT_IN_LABEL
581 { "GLOBAL__I.", sizeof ("GLOBAL__I.")-1, 1, 0 },
582 { "GLOBAL__D.", sizeof ("GLOBAL__D.")-1, 2, 0 },
583 #endif /* NO_DOT_IN_LABEL */
584 #endif /* NO_DOLLAR_IN_LABEL */
585 { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
586 { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
587 { "GLOBAL__F_", sizeof ("GLOBAL__F_")-1, 5, 0 },
588 { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
589 { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
590 #ifdef CFRONT_LOSSAGE /* Do not collect cfront initialization functions.
591 cfront has its own linker procedure to collect them;
592 if collect2 gets them too, they get collected twice
593 when the cfront procedure is run and the compiler used
594 for linking happens to be GCC. */
595 { "sti__", sizeof ("sti__")-1, 1, 1 },
596 { "std__", sizeof ("std__")-1, 2, 1 },
597 #endif /* CFRONT_LOSSAGE */
601 while ((ch = *s) == '_')
607 for (p = &special[0]; p->len > 0; p++)
610 && (!p->two_underscores || ((s - orig_s) >= 2))
611 && strncmp(s, p->name, p->len) == 0)
619 /* We maintain two prefix lists: one from COMPILER_PATH environment variable
620 and one from the PATH variable. */
622 static struct path_prefix cpath, path;
625 /* This is the name of the target machine. We use it to form the name
626 of the files to execute. */
628 static const char *const target_machine = TARGET_MACHINE;
631 /* Search for NAME using prefix list PPREFIX. We only look for executable
634 Return 0 if not found, otherwise return its name, allocated with malloc. */
637 find_a_file (pprefix, name)
638 struct path_prefix *pprefix;
642 struct prefix_list *pl;
643 int len = pprefix->max_len + strlen (name) + 1;
646 fprintf (stderr, "Looking for '%s'\n", name);
648 #ifdef HOST_EXECUTABLE_SUFFIX
649 len += strlen (HOST_EXECUTABLE_SUFFIX);
652 temp = xmalloc (len);
654 /* Determine the filename to execute (special case for absolute paths). */
657 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
658 || (*name && name[1] == ':')
662 if (access (name, X_OK) == 0)
667 fprintf (stderr, " - found: absolute path\n");
672 #ifdef HOST_EXECUTABLE_SUFFIX
673 /* Some systems have a suffix for executable files.
674 So try appending that. */
676 strcat (temp, HOST_EXECUTABLE_SUFFIX);
678 if (access (temp, X_OK) == 0)
683 fprintf (stderr, " - failed to locate using absolute path\n");
686 for (pl = pprefix->plist; pl; pl = pl->next)
690 strcpy (temp, pl->prefix);
693 if (stat (temp, &st) >= 0
694 && ! S_ISDIR (st.st_mode)
695 && access (temp, X_OK) == 0)
698 #ifdef HOST_EXECUTABLE_SUFFIX
699 /* Some systems have a suffix for executable files.
700 So try appending that. */
701 strcat (temp, HOST_EXECUTABLE_SUFFIX);
703 if (stat (temp, &st) >= 0
704 && ! S_ISDIR (st.st_mode)
705 && access (temp, X_OK) == 0)
710 if (debug && pprefix->plist == NULL)
711 fprintf (stderr, " - failed: no entries in prefix list\n");
717 /* Add an entry for PREFIX to prefix list PPREFIX. */
720 add_prefix (pprefix, prefix)
721 struct path_prefix *pprefix;
724 struct prefix_list *pl, **prev;
729 for (pl = pprefix->plist; pl->next; pl = pl->next)
734 prev = &pprefix->plist;
736 /* Keep track of the longest prefix */
738 len = strlen (prefix);
739 if (len > pprefix->max_len)
740 pprefix->max_len = len;
742 pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
743 pl->prefix = xstrdup (prefix);
748 pl->next = (struct prefix_list *) 0;
752 /* Take the value of the environment variable ENV, break it into a path, and
753 add of the entries to PPREFIX. */
756 prefix_from_env (env, pprefix)
758 struct path_prefix *pprefix;
761 GET_ENVIRONMENT (p, env);
764 prefix_from_string (p, pprefix);
768 prefix_from_string (p, pprefix)
770 struct path_prefix *pprefix;
772 const char *startp, *endp;
773 char *nstore = (char *) xmalloc (strlen (p) + 3);
776 fprintf (stderr, "Convert string '%s' into prefixes, separator = '%c'\n", p, PATH_SEPARATOR);
781 if (*endp == PATH_SEPARATOR || *endp == 0)
783 strncpy (nstore, startp, endp-startp);
786 strcpy (nstore, "./");
788 else if (! IS_DIR_SEPARATOR (endp[-1]))
790 nstore[endp-startp] = DIR_SEPARATOR;
791 nstore[endp-startp+1] = 0;
794 nstore[endp-startp] = 0;
797 fprintf (stderr, " - add prefix: %s\n", nstore);
799 add_prefix (pprefix, nstore);
802 endp = startp = endp + 1;
811 int main PARAMS ((int, char *[]));
817 static const char *const ld_suffix = "ld";
818 static const char *const real_ld_suffix = "real-ld";
819 static const char *const collect_ld_suffix = "collect-ld";
820 static const char *const nm_suffix = "nm";
821 static const char *const gnm_suffix = "gnm";
823 static const char *const ldd_suffix = LDD_SUFFIX;
825 static const char *const strip_suffix = "strip";
826 static const char *const gstrip_suffix = "gstrip";
829 /* If we look for a program in the compiler directories, we just use
830 the short name, since these directories are already system-specific.
831 But it we look for a program in the system directories, we need to
832 qualify the program name with the target machine. */
834 const char *const full_ld_suffix =
835 concat(target_machine, "-", ld_suffix, NULL);
836 const char *const full_nm_suffix =
837 concat (target_machine, "-", nm_suffix, NULL);
838 const char *const full_gnm_suffix =
839 concat (target_machine, "-", gnm_suffix, NULL);
841 const char *const full_ldd_suffix =
842 concat (target_machine, "-", ldd_suffix, NULL);
844 const char *const full_strip_suffix =
845 concat (target_machine, "-", strip_suffix, NULL);
846 const char *const full_gstrip_suffix =
847 concat (target_machine, "-", gstrip_suffix, NULL);
849 const char *const full_ld_suffix = ld_suffix;
850 const char *const full_nm_suffix = nm_suffix;
851 const char *const full_gnm_suffix = gnm_suffix;
853 const char *const full_ldd_suffix = ldd_suffix;
855 const char *const full_strip_suffix = strip_suffix;
856 const char *const full_gstrip_suffix = gstrip_suffix;
857 #endif /* CROSS_COMPILE */
861 #ifdef COLLECT_EXPORT_LIST
864 const char *ld_file_name;
875 int num_c_args = argc+9;
877 no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
879 /* Suppress demangling by the real linker, which may be broken. */
880 putenv (xstrdup ("COLLECT_NO_DEMANGLE="));
882 #if defined (COLLECT2_HOST_INITIALIZATION)
883 /* Perform system dependent initialization, if necessary. */
884 COLLECT2_HOST_INITIALIZATION;
888 /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
889 receive the signal. A different setting is inheritable */
890 signal (SIGCHLD, SIG_DFL);
895 /* Do not invoke xcalloc before this point, since locale needs to be
896 set first, in case a diagnostic is issued. */
898 ld1 = (const char **)(ld1_argv = (char **) xcalloc(sizeof (char *), argc+3));
899 ld2 = (const char **)(ld2_argv = (char **) xcalloc(sizeof (char *), argc+10));
900 object = (const char **)(object_lst = (char **) xcalloc(sizeof (char *), argc));
906 /* Parse command line early for instances of -debug. This allows
907 the debug flag to be set before functions like find_a_file()
912 for (i = 1; argv[i] != NULL; i ++)
913 if (! strcmp (argv[i], "-debug"))
918 #ifndef DEFAULT_A_OUT_NAME
919 output_file = "a.out";
921 output_file = DEFAULT_A_OUT_NAME;
924 obstack_begin (&temporary_obstack, 0);
925 obstack_begin (&permanent_obstack, 0);
926 temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
928 current_demangling_style = auto_demangling;
929 p = getenv ("COLLECT_GCC_OPTIONS");
932 const char *q = extract_string (&p);
933 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
936 obstack_free (&temporary_obstack, temporary_firstobj);
938 /* -fno-exceptions -w */
941 c_ptr = (const char **)
942 (c_argv = (char **) xcalloc (sizeof (char *), num_c_args));
945 fatal ("no arguments");
948 if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
949 signal (SIGQUIT, handler);
951 if (signal (SIGINT, SIG_IGN) != SIG_IGN)
952 signal (SIGINT, handler);
954 if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
955 signal (SIGALRM, handler);
958 if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
959 signal (SIGHUP, handler);
961 if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
962 signal (SIGSEGV, handler);
964 if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
965 signal (SIGBUS, handler);
968 /* Extract COMPILER_PATH and PATH into our prefix list. */
969 prefix_from_env ("COMPILER_PATH", &cpath);
970 prefix_from_env ("PATH", &path);
972 /* Try to discover a valid linker/nm/strip to use. */
974 /* Maybe we know the right file to use (if not cross). */
976 #ifdef DEFAULT_LINKER
977 if (access (DEFAULT_LINKER, X_OK) == 0)
978 ld_file_name = DEFAULT_LINKER;
979 if (ld_file_name == 0)
981 #ifdef REAL_LD_FILE_NAME
982 ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
983 if (ld_file_name == 0)
985 /* Search the (target-specific) compiler dirs for ld'. */
986 ld_file_name = find_a_file (&cpath, real_ld_suffix);
987 /* Likewise for `collect-ld'. */
988 if (ld_file_name == 0)
989 ld_file_name = find_a_file (&cpath, collect_ld_suffix);
990 /* Search the compiler directories for `ld'. We have protection against
991 recursive calls in find_a_file. */
992 if (ld_file_name == 0)
993 ld_file_name = find_a_file (&cpath, ld_suffix);
994 /* Search the ordinary system bin directories
995 for `ld' (if native linking) or `TARGET-ld' (if cross). */
996 if (ld_file_name == 0)
997 ld_file_name = find_a_file (&path, full_ld_suffix);
999 #ifdef REAL_NM_FILE_NAME
1000 nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
1001 if (nm_file_name == 0)
1003 nm_file_name = find_a_file (&cpath, gnm_suffix);
1004 if (nm_file_name == 0)
1005 nm_file_name = find_a_file (&path, full_gnm_suffix);
1006 if (nm_file_name == 0)
1007 nm_file_name = find_a_file (&cpath, nm_suffix);
1008 if (nm_file_name == 0)
1009 nm_file_name = find_a_file (&path, full_nm_suffix);
1012 ldd_file_name = find_a_file (&cpath, ldd_suffix);
1013 if (ldd_file_name == 0)
1014 ldd_file_name = find_a_file (&path, full_ldd_suffix);
1017 #ifdef REAL_STRIP_FILE_NAME
1018 strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
1019 if (strip_file_name == 0)
1021 strip_file_name = find_a_file (&cpath, gstrip_suffix);
1022 if (strip_file_name == 0)
1023 strip_file_name = find_a_file (&path, full_gstrip_suffix);
1024 if (strip_file_name == 0)
1025 strip_file_name = find_a_file (&cpath, strip_suffix);
1026 if (strip_file_name == 0)
1027 strip_file_name = find_a_file (&path, full_strip_suffix);
1029 /* Determine the full path name of the C compiler to use. */
1030 c_file_name = getenv ("COLLECT_GCC");
1031 if (c_file_name == 0)
1033 #ifdef CROSS_COMPILE
1034 c_file_name = concat (target_machine, "-gcc", NULL);
1036 c_file_name = "gcc";
1040 p = find_a_file (&cpath, c_file_name);
1042 /* Here it should be safe to use the system search path since we should have
1043 already qualified the name of the compiler when it is needed. */
1045 p = find_a_file (&path, c_file_name);
1050 *ld1++ = *ld2++ = ld_file_name;
1052 /* Make temp file names. */
1053 c_file = make_temp_file (".c");
1054 o_file = make_temp_file (".o");
1055 #ifdef COLLECT_EXPORT_LIST
1056 export_file = make_temp_file (".x");
1058 ldout = make_temp_file (".ld");
1059 *c_ptr++ = c_file_name;
1066 #ifdef COLLECT_EXPORT_LIST
1067 /* Generate a list of directories from LIBPATH. */
1068 prefix_from_env ("LIBPATH", &libpath_lib_dirs);
1069 /* Add to this list also two standard directories where
1070 AIX loader always searches for libraries. */
1071 add_prefix (&libpath_lib_dirs, "/lib");
1072 add_prefix (&libpath_lib_dirs, "/usr/lib");
1075 /* Get any options that the upper GCC wants to pass to the sub-GCC.
1077 AIX support needs to know if -shared has been specified before
1078 parsing commandline arguments. */
1080 p = getenv ("COLLECT_GCC_OPTIONS");
1083 const char *q = extract_string (&p);
1084 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
1085 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1086 if (strcmp (q, "-EL") == 0 || strcmp (q, "-EB") == 0)
1087 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1088 if (strcmp (q, "-shared") == 0)
1090 if (*q == '-' && q[1] == 'B')
1092 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1095 q = extract_string (&p);
1096 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1100 obstack_free (&temporary_obstack, temporary_firstobj);
1101 *c_ptr++ = "-fno-exceptions";
1104 /* !!! When GCC calls collect2,
1105 it does not know whether it is calling collect2 or ld.
1106 So collect2 cannot meaningfully understand any options
1107 except those ld understands.
1108 If you propose to make GCC pass some other option,
1109 just imagine what will happen if ld is really ld!!! */
1111 /* Parse arguments. Remember output file spec, pass the rest to ld. */
1112 /* After the first file, put in the c++ rt0. */
1115 while ((arg = *++argv) != (char *) 0)
1117 *ld1++ = *ld2++ = arg;
1123 #ifdef COLLECT_EXPORT_LIST
1124 /* We want to disable automatic exports on AIX when user
1125 explicitly puts an export list in command line */
1127 if (arg[2] == 'E' || strncmp (&arg[2], "export", 6) == 0)
1129 else if (arg[2] == '6' && arg[3] == '4')
1135 if (!strcmp (arg, "-debug"))
1137 /* Already parsed. */
1146 /* place o_file BEFORE this argument! */
1152 #ifdef COLLECT_EXPORT_LIST
1154 /* Resolving full library name. */
1155 const char *s = resolve_lib_name (arg+2);
1157 /* Saving a full library name. */
1158 add_to_list (&libs, s);
1163 #ifdef COLLECT_EXPORT_LIST
1164 /* Saving directories where to search for libraries. */
1166 add_prefix (&cmdline_lib_dirs, arg+2);
1169 #if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
1171 if (is_in_args (arg, (const char **) ld1_argv, ld1-1))
1174 #endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
1179 output_file = *ld1++ = *ld2++ = *++argv;
1181 #ifdef SWITCHES_NEED_SPACES
1182 && ! strchr (SWITCHES_NEED_SPACES, arg[1])
1186 output_file = &arg[2];
1195 if (arg[2] == '\0' && do_collecting)
1197 /* We must strip after the nm run, otherwise C++ linking
1198 will not work. Thus we strip in the second ld run, or
1199 else with strip if there is no second ld run. */
1211 else if ((p = strrchr (arg, '.')) != (char *) 0
1212 && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
1213 || strcmp (p, ".so") == 0 || strcmp (p, ".lo") == 0
1214 || strcmp (p, ".obj") == 0))
1223 /* place o_file BEFORE this argument! */
1229 if (p[1] == 'o' || p[1] == 'l')
1231 #ifdef COLLECT_EXPORT_LIST
1232 /* libraries can be specified directly, i.e. without -l flag. */
1235 /* Saving a full library name. */
1236 add_to_list (&libs, arg);
1242 #ifdef COLLECT_EXPORT_LIST
1243 /* This is added only for debugging purposes. */
1246 fprintf (stderr, "List of libraries:\n");
1247 dump_list (stderr, "\t", libs.first);
1250 /* The AIX linker will discard static constructors in object files if
1251 nothing else in the file is referenced, so look at them first. */
1253 const char **export_object_lst = (const char **)object_lst;
1255 while (export_object_lst < object)
1256 scan_prog_file (*export_object_lst++, PASS_OBJ);
1259 struct id *list = libs.first;
1261 for (; list; list = list->next)
1262 scan_prog_file (list->name, PASS_FIRST);
1267 char *buf = concat ("-bE:", export_file, NULL);
1272 exportf = fopen (export_file, "w");
1273 if (exportf == (FILE *) 0)
1274 fatal_perror ("fopen %s", export_file);
1275 write_aix_file (exportf, exports.first);
1276 if (fclose (exportf))
1277 fatal_perror ("fclose %s", export_file);
1282 *c_ptr = *ld1 = *object = (char *) 0;
1286 notice ("collect2 version %s", version_string);
1287 #ifdef TARGET_VERSION
1290 fprintf (stderr, "\n");
1296 fprintf (stderr, "ld_file_name = %s\n",
1297 (ld_file_name ? ld_file_name : "not found"));
1298 fprintf (stderr, "c_file_name = %s\n",
1299 (c_file_name ? c_file_name : "not found"));
1300 fprintf (stderr, "nm_file_name = %s\n",
1301 (nm_file_name ? nm_file_name : "not found"));
1303 fprintf (stderr, "ldd_file_name = %s\n",
1304 (ldd_file_name ? ldd_file_name : "not found"));
1306 fprintf (stderr, "strip_file_name = %s\n",
1307 (strip_file_name ? strip_file_name : "not found"));
1308 fprintf (stderr, "c_file = %s\n",
1309 (c_file ? c_file : "not found"));
1310 fprintf (stderr, "o_file = %s\n",
1311 (o_file ? o_file : "not found"));
1313 ptr = getenv ("COLLECT_GCC_OPTIONS");
1315 fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
1317 ptr = getenv ("COLLECT_GCC");
1319 fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
1321 ptr = getenv ("COMPILER_PATH");
1323 fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
1325 ptr = getenv (LIBRARY_PATH_ENV);
1327 fprintf (stderr, "%-20s= %s\n", LIBRARY_PATH_ENV, ptr);
1329 fprintf (stderr, "\n");
1332 /* Load the program, searching all libraries and attempting to provide
1333 undefined symbols from repository information. */
1335 /* On AIX we do this later. */
1336 #ifndef COLLECT_EXPORT_LIST
1337 do_tlink (ld1_argv, object_lst);
1340 /* If -r or they will be run via some other method, do not build the
1341 constructor or destructor list, just return now. */
1343 #ifndef COLLECT_EXPORT_LIST
1348 #ifdef COLLECT_EXPORT_LIST
1349 /* Do the link we avoided above if we are exiting. */
1350 do_tlink (ld1_argv, object_lst);
1352 /* But make sure we delete the export file we may have created. */
1353 if (export_file != 0 && export_file[0])
1354 maybe_unlink (export_file);
1356 maybe_unlink (c_file);
1357 maybe_unlink (o_file);
1361 /* Examine the namelist with nm and search it for static constructors
1362 and destructors to call.
1363 Write the constructor and destructor tables to a .s file and reload. */
1365 /* On AIX we already scanned for global constructors/destructors. */
1366 #ifndef COLLECT_EXPORT_LIST
1367 scan_prog_file (output_file, PASS_FIRST);
1370 #ifdef SCAN_LIBRARIES
1371 scan_libraries (output_file);
1376 notice ("%d constructor(s) found\n", constructors.number);
1377 notice ("%d destructor(s) found\n", destructors.number);
1378 notice ("%d frame table(s) found\n", frame_tables.number);
1381 if (constructors.number == 0 && destructors.number == 0
1382 && frame_tables.number == 0
1383 #if defined (SCAN_LIBRARIES) || defined (COLLECT_EXPORT_LIST)
1384 /* If we will be running these functions ourselves, we want to emit
1385 stubs into the shared library so that we do not have to relink
1386 dependent programs when we add static objects. */
1391 #ifdef COLLECT_EXPORT_LIST
1392 /* Do tlink without additional code generation */
1393 do_tlink (ld1_argv, object_lst);
1395 /* Strip now if it was requested on the command line. */
1398 char **real_strip_argv = (char **) xcalloc (sizeof (char *), 3);
1399 const char ** strip_argv = (const char **) real_strip_argv;
1401 strip_argv[0] = strip_file_name;
1402 strip_argv[1] = output_file;
1403 strip_argv[2] = (char *) 0;
1404 fork_execute ("strip", real_strip_argv);
1407 #ifdef COLLECT_EXPORT_LIST
1408 maybe_unlink (export_file);
1410 maybe_unlink (c_file);
1411 maybe_unlink (o_file);
1415 /* Sort ctor and dtor lists by priority. */
1416 sort_ids (&constructors);
1417 sort_ids (&destructors);
1419 maybe_unlink(output_file);
1420 outf = fopen (c_file, "w");
1421 if (outf == (FILE *) 0)
1422 fatal_perror ("fopen %s", c_file);
1424 write_c_file (outf, c_file);
1427 fatal_perror ("fclose %s", c_file);
1429 /* Tell the linker that we have initializer and finalizer functions. */
1430 #ifdef LD_INIT_SWITCH
1431 #ifdef COLLECT_EXPORT_LIST
1432 *ld2++ = concat (LD_INIT_SWITCH, ":", initname, ":", fininame, NULL);
1434 *ld2++ = LD_INIT_SWITCH;
1436 *ld2++ = LD_FINI_SWITCH;
1441 #ifdef COLLECT_EXPORT_LIST
1444 /* If we did not add export flag to link arguments before, add it to
1445 second link phase now. No new exports should have been added. */
1446 if (! exports.first)
1447 *ld2++ = concat ("-bE:", export_file, NULL);
1449 add_to_list (&exports, initname);
1450 add_to_list (&exports, fininame);
1451 add_to_list (&exports, "_GLOBAL__DI");
1452 add_to_list (&exports, "_GLOBAL__DD");
1453 exportf = fopen (export_file, "w");
1454 if (exportf == (FILE *) 0)
1455 fatal_perror ("fopen %s", export_file);
1456 write_aix_file (exportf, exports.first);
1457 if (fclose (exportf))
1458 fatal_perror ("fclose %s", export_file);
1462 /* End of arguments to second link phase. */
1467 fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
1468 output_file, c_file);
1469 write_c_file (stderr, "stderr");
1470 fprintf (stderr, "========== end of c_file\n\n");
1471 #ifdef COLLECT_EXPORT_LIST
1472 fprintf (stderr, "\n========== export_file = %s\n", export_file);
1473 write_aix_file (stderr, exports.first);
1474 fprintf (stderr, "========== end of export_file\n\n");
1478 /* Assemble the constructor and destructor tables.
1479 Link the tables in with the rest of the program. */
1481 fork_execute ("gcc", c_argv);
1482 #ifdef COLLECT_EXPORT_LIST
1483 /* On AIX we must call tlink because of possible templates resolution */
1484 do_tlink (ld2_argv, object_lst);
1486 /* Otherwise, simply call ld because tlink is already done */
1487 fork_execute ("ld", ld2_argv);
1489 /* Let scan_prog_file do any final mods (OSF/rose needs this for
1490 constructors/destructors in shared libraries. */
1491 scan_prog_file (output_file, PASS_SECOND);
1494 maybe_unlink (c_file);
1495 maybe_unlink (o_file);
1497 #ifdef COLLECT_EXPORT_LIST
1498 maybe_unlink (export_file);
1505 /* Wait for a process to finish, and exit if a non-zero status is found. */
1513 pwait (pexecute_pid, &status, 0);
1516 if (WIFSIGNALED (status))
1518 int sig = WTERMSIG (status);
1519 error ("%s terminated with signal %d [%s]%s",
1520 prog, sig, strsignal(sig),
1521 status & 0200 ? "" : ", core dumped");
1522 collect_exit (FATAL_EXIT_CODE);
1525 if (WIFEXITED (status))
1526 return WEXITSTATUS (status);
1535 int ret = collect_wait (prog);
1538 error ("%s returned %d exit status", prog, ret);
1544 /* Execute a program, and wait for the reply. */
1547 collect_execute (prog, argv, redir)
1554 int redir_handle = -1;
1555 int stdout_save = -1;
1556 int stderr_save = -1;
1564 fprintf (stderr, "%s", argv[0]);
1566 notice ("[cannot find %s]", prog);
1568 for (p_argv = &argv[1]; (str = *p_argv) != (char *) 0; p_argv++)
1569 fprintf (stderr, " %s", str);
1571 fprintf (stderr, "\n");
1577 /* If we cannot find a program we need, complain error. Do this here
1578 since we might not end up needing something that we could not find. */
1581 fatal ("cannot find `%s'", prog);
1585 /* Open response file. */
1586 redir_handle = open (redir, O_WRONLY | O_TRUNC | O_CREAT);
1588 /* Duplicate the stdout and stderr file handles
1589 so they can be restored later. */
1590 stdout_save = dup (STDOUT_FILENO);
1591 if (stdout_save == -1)
1592 fatal_perror ("redirecting stdout: %s", redir);
1593 stderr_save = dup (STDERR_FILENO);
1594 if (stderr_save == -1)
1595 fatal_perror ("redirecting stdout: %s", redir);
1597 /* Redirect stdout & stderr to our response file. */
1598 dup2 (redir_handle, STDOUT_FILENO);
1599 dup2 (redir_handle, STDERR_FILENO);
1602 pexecute_pid = pexecute (argv[0], argv, argv[0], NULL,
1603 &errmsg_fmt, &errmsg_arg,
1604 (PEXECUTE_FIRST | PEXECUTE_LAST | PEXECUTE_SEARCH));
1608 /* Restore stdout and stderr to their previous settings. */
1609 dup2 (stdout_save, STDOUT_FILENO);
1610 dup2 (stderr_save, STDERR_FILENO);
1612 /* Close response file. */
1613 close (redir_handle);
1616 if (pexecute_pid == -1)
1617 fatal_perror (errmsg_fmt, errmsg_arg);
1621 fork_execute (prog, argv)
1625 collect_execute (prog, argv, NULL);
1629 /* Unlink a file unless we are debugging. */
1638 notice ("[Leaving %s]\n", file);
1642 static long sequence_number = 0;
1644 /* Add a name to a linked list. */
1647 add_to_list (head_ptr, name)
1648 struct head *head_ptr;
1652 = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
1654 strcpy (newid->name, name);
1656 if (head_ptr->first)
1657 head_ptr->last->next = newid;
1659 head_ptr->first = newid;
1661 /* Check for duplicate symbols. */
1662 for (p = head_ptr->first;
1663 strcmp (name, p->name) != 0;
1668 head_ptr->last->next = 0;
1673 newid->sequence = ++sequence_number;
1674 head_ptr->last = newid;
1678 /* Grab the init priority number from an init function name that
1679 looks like "_GLOBAL_.I.12345.foo". */
1682 extract_init_priority (name)
1687 while (name[pos] == '_')
1689 pos += 10; /* strlen ("GLOBAL__X_") */
1691 /* Extract init_p number from ctor/dtor name. */
1692 pri = atoi (name + pos);
1693 return pri ? pri : DEFAULT_INIT_PRIORITY;
1696 /* Insertion sort the ids from ctor/dtor list HEAD_PTR in descending order.
1697 ctors will be run from right to left, dtors from left to right. */
1701 struct head *head_ptr;
1703 /* id holds the current element to insert. id_next holds the next
1704 element to insert. id_ptr iterates through the already sorted elements
1705 looking for the place to insert id. */
1706 struct id *id, *id_next, **id_ptr;
1708 id = head_ptr->first;
1710 /* We don't have any sorted elements yet. */
1711 head_ptr->first = NULL;
1713 for (; id; id = id_next)
1716 id->sequence = extract_init_priority (id->name);
1718 for (id_ptr = &(head_ptr->first); ; id_ptr = &((*id_ptr)->next))
1720 /* If the sequence numbers are the same, we put the id from the
1721 file later on the command line later in the list. */
1722 || id->sequence > (*id_ptr)->sequence
1723 /* Hack: do lexical compare, too.
1724 || (id->sequence == (*id_ptr)->sequence
1725 && strcmp (id->name, (*id_ptr)->name) > 0) */
1734 /* Now set the sequence numbers properly so write_c_file works. */
1735 for (id = head_ptr->first; id; id = id->next)
1736 id->sequence = ++sequence_number;
1739 /* Write: `prefix', the names on list LIST, `suffix'. */
1742 write_list (stream, prefix, list)
1749 fprintf (stream, "%sx%d,\n", prefix, list->sequence);
1754 #if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
1755 /* Given a STRING, return nonzero if it occurs in the list in range
1756 [ARGS_BEGIN,ARGS_END). */
1759 is_in_args (string, args_begin, args_end)
1761 const char **args_begin;
1762 const char **args_end;
1764 const char **args_pointer;
1765 for (args_pointer = args_begin; args_pointer != args_end; ++args_pointer)
1766 if (strcmp (string, *args_pointer) == 0)
1770 #endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
1772 #ifdef COLLECT_EXPORT_LIST
1773 /* This function is really used only on AIX, but may be useful. */
1776 is_in_list (prefix, list)
1782 if (!strcmp (prefix, list->name)) return 1;
1788 #endif /* COLLECT_EXPORT_LIST */
1790 /* Added for debugging purpose. */
1791 #ifdef COLLECT_EXPORT_LIST
1793 dump_list (stream, prefix, list)
1800 fprintf (stream, "%s%s,\n", prefix, list->name);
1808 dump_prefix_list (stream, prefix, list)
1811 struct prefix_list *list;
1815 fprintf (stream, "%s%s,\n", prefix, list->prefix);
1822 write_list_with_asm (stream, prefix, list)
1829 fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
1830 prefix, list->sequence, list->name);
1835 /* Write out the constructor and destructor tables statically (for a shared
1836 object), along with the functions to execute them. */
1839 write_c_file_stat (stream, name)
1841 const char *name ATTRIBUTE_UNUSED;
1845 int frames = (frame_tables.number > 0);
1847 /* Figure out name of output_file, stripping off .so version. */
1848 p = strrchr (output_file, '/');
1864 if (strncmp (q, ".so", 3) == 0)
1873 /* q points to null at end of the string (or . of the .so version) */
1874 prefix = xmalloc (q - p + 1);
1875 strncpy (prefix, p, q - p);
1877 for (r = prefix; *r; r++)
1878 if (!ISALNUM ((unsigned char)*r))
1881 notice ("\nwrite_c_file - output name is %s, prefix is %s\n",
1882 output_file, prefix);
1884 initname = concat ("_GLOBAL__FI_", prefix, NULL);
1885 fininame = concat ("_GLOBAL__FD_", prefix, NULL);
1889 /* Write the tables as C code */
1891 fprintf (stream, "static int count;\n");
1892 fprintf (stream, "typedef void entry_pt();\n");
1893 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1897 write_list_with_asm (stream, "extern void *", frame_tables.first);
1899 fprintf (stream, "\tstatic void *frame_table[] = {\n");
1900 write_list (stream, "\t\t&", frame_tables.first);
1901 fprintf (stream, "\t0\n};\n");
1903 /* This must match what's in frame.h. */
1904 fprintf (stream, "struct object {\n");
1905 fprintf (stream, " void *pc_begin;\n");
1906 fprintf (stream, " void *pc_end;\n");
1907 fprintf (stream, " void *fde_begin;\n");
1908 fprintf (stream, " void *fde_array;\n");
1909 fprintf (stream, " __SIZE_TYPE__ count;\n");
1910 fprintf (stream, " struct object *next;\n");
1911 fprintf (stream, "};\n");
1913 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
1914 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
1916 fprintf (stream, "static void reg_frame () {\n");
1917 fprintf (stream, "\tstatic struct object ob;\n");
1918 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
1919 fprintf (stream, "\t}\n");
1921 fprintf (stream, "static void dereg_frame () {\n");
1922 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
1923 fprintf (stream, "\t}\n");
1926 fprintf (stream, "void %s() {\n", initname);
1927 if (constructors.number > 0 || frames)
1929 fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
1930 write_list (stream, "\t\t", constructors.first);
1932 fprintf (stream, "\treg_frame,\n");
1933 fprintf (stream, "\t};\n");
1934 fprintf (stream, "\tentry_pt **p;\n");
1935 fprintf (stream, "\tif (count++ != 0) return;\n");
1936 fprintf (stream, "\tp = ctors + %d;\n", constructors.number + frames);
1937 fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
1940 fprintf (stream, "\t++count;\n");
1941 fprintf (stream, "}\n");
1942 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1943 fprintf (stream, "void %s() {\n", fininame);
1944 if (destructors.number > 0 || frames)
1946 fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
1947 write_list (stream, "\t\t", destructors.first);
1949 fprintf (stream, "\tdereg_frame,\n");
1950 fprintf (stream, "\t};\n");
1951 fprintf (stream, "\tentry_pt **p;\n");
1952 fprintf (stream, "\tif (--count != 0) return;\n");
1953 fprintf (stream, "\tp = dtors;\n");
1954 fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
1955 destructors.number + frames);
1957 fprintf (stream, "}\n");
1961 COLLECT_SHARED_INIT_FUNC(stream, initname);
1962 COLLECT_SHARED_FINI_FUNC(stream, fininame);
1966 /* Write the constructor/destructor tables. */
1968 #ifndef LD_INIT_SWITCH
1970 write_c_file_glob (stream, name)
1972 const char *name ATTRIBUTE_UNUSED;
1974 /* Write the tables as C code */
1976 int frames = (frame_tables.number > 0);
1978 fprintf (stream, "typedef void entry_pt();\n\n");
1980 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1984 write_list_with_asm (stream, "extern void *", frame_tables.first);
1986 fprintf (stream, "\tstatic void *frame_table[] = {\n");
1987 write_list (stream, "\t\t&", frame_tables.first);
1988 fprintf (stream, "\t0\n};\n");
1990 /* This must match what's in frame.h. */
1991 fprintf (stream, "struct object {\n");
1992 fprintf (stream, " void *pc_begin;\n");
1993 fprintf (stream, " void *pc_end;\n");
1994 fprintf (stream, " void *fde_begin;\n");
1995 fprintf (stream, " void *fde_array;\n");
1996 fprintf (stream, " __SIZE_TYPE__ count;\n");
1997 fprintf (stream, " struct object *next;\n");
1998 fprintf (stream, "};\n");
2000 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
2001 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
2003 fprintf (stream, "static void reg_frame () {\n");
2004 fprintf (stream, "\tstatic struct object ob;\n");
2005 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
2006 fprintf (stream, "\t}\n");
2008 fprintf (stream, "static void dereg_frame () {\n");
2009 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
2010 fprintf (stream, "\t}\n");
2013 fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
2014 fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number + frames);
2015 write_list (stream, "\t", constructors.first);
2017 fprintf (stream, "\treg_frame,\n");
2018 fprintf (stream, "\t0\n};\n\n");
2020 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
2022 fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
2023 fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number + frames);
2024 write_list (stream, "\t", destructors.first);
2026 fprintf (stream, "\tdereg_frame,\n");
2027 fprintf (stream, "\t0\n};\n\n");
2029 fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
2030 fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
2032 #endif /* ! LD_INIT_SWITCH */
2035 write_c_file (stream, name)
2039 fprintf (stream, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n");
2040 #ifndef LD_INIT_SWITCH
2042 write_c_file_glob (stream, name);
2045 write_c_file_stat (stream, name);
2046 fprintf (stream, "#ifdef __cplusplus\n}\n#endif\n");
2049 #ifdef COLLECT_EXPORT_LIST
2051 write_aix_file (stream, list)
2055 for (; list; list = list->next)
2057 fputs (list->name, stream);
2058 putc ('\n', stream);
2063 #ifdef OBJECT_FORMAT_NONE
2065 /* Generic version to scan the name list of the loaded program for
2066 the symbols g++ uses for static constructors and destructors.
2068 The constructor table begins at __CTOR_LIST__ and contains a count
2069 of the number of pointers (or -1 if the constructors are built in a
2070 separate section by the linker), followed by the pointers to the
2071 constructor functions, terminated with a null pointer. The
2072 destructor table has the same format, and begins at __DTOR_LIST__. */
2075 scan_prog_file (prog_name, which_pass)
2076 const char *prog_name;
2077 enum pass which_pass;
2079 void (*int_handler) PARAMS ((int));
2080 void (*quit_handler) PARAMS ((int));
2081 char *real_nm_argv[4];
2082 const char **nm_argv = (const char **) real_nm_argv;
2089 if (which_pass == PASS_SECOND)
2092 /* If we do not have an `nm', complain. */
2093 if (nm_file_name == 0)
2094 fatal ("cannot find `nm'");
2096 nm_argv[argc++] = nm_file_name;
2097 if (NM_FLAGS[0] != '\0')
2098 nm_argv[argc++] = NM_FLAGS;
2100 nm_argv[argc++] = prog_name;
2101 nm_argv[argc++] = (char *) 0;
2103 if (pipe (pipe_fd) < 0)
2104 fatal_perror ("pipe");
2106 inf = fdopen (pipe_fd[0], "r");
2107 if (inf == (FILE *) 0)
2108 fatal_perror ("fdopen");
2110 /* Trace if needed. */
2113 const char **p_argv;
2116 for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2117 fprintf (stderr, " %s", str);
2119 fprintf (stderr, "\n");
2125 /* Spawn child nm on pipe */
2128 fatal_perror (VFORK_STRING);
2130 if (pid == 0) /* child context */
2133 if (dup2 (pipe_fd[1], 1) < 0)
2134 fatal_perror ("dup2 %d 1", pipe_fd[1]);
2136 if (close (pipe_fd[0]) < 0)
2137 fatal_perror ("close %d", pipe_fd[0]);
2139 if (close (pipe_fd[1]) < 0)
2140 fatal_perror ("close %d", pipe_fd[1]);
2142 execv (nm_file_name, real_nm_argv);
2143 fatal_perror ("execv %s", nm_file_name);
2146 /* Parent context from here on. */
2147 int_handler = (void (*) PARAMS ((int))) signal (SIGINT, SIG_IGN);
2149 quit_handler = (void (*) PARAMS ((int))) signal (SIGQUIT, SIG_IGN);
2152 if (close (pipe_fd[1]) < 0)
2153 fatal_perror ("close %d", pipe_fd[1]);
2156 fprintf (stderr, "\nnm output with constructors/destructors.\n");
2158 /* Read each line of nm output. */
2159 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2164 /* If it contains a constructor or destructor name, add the name
2165 to the appropriate list. */
2167 for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
2168 if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
2175 /* Find the end of the symbol name.
2176 Do not include `|', because Encore nm can tack that on the end. */
2177 for (end = p; (ch2 = *end) != '\0' && !ISSPACE (ch2) && ch2 != '|';
2183 switch (is_ctor_dtor (name))
2186 if (which_pass != PASS_LIB)
2187 add_to_list (&constructors, name);
2191 if (which_pass != PASS_LIB)
2192 add_to_list (&destructors, name);
2196 if (which_pass != PASS_LIB)
2197 fatal ("init function found in object %s", prog_name);
2198 #ifndef LD_INIT_SWITCH
2199 add_to_list (&constructors, name);
2204 if (which_pass != PASS_LIB)
2205 fatal ("fini function found in object %s", prog_name);
2206 #ifndef LD_FINI_SWITCH
2207 add_to_list (&destructors, name);
2212 if (which_pass != PASS_LIB)
2213 add_to_list (&frame_tables, name);
2216 default: /* not a constructor or destructor */
2221 fprintf (stderr, "\t%s\n", buf);
2225 fprintf (stderr, "\n");
2227 if (fclose (inf) != 0)
2228 fatal_perror ("fclose");
2230 do_wait (nm_file_name);
2232 signal (SIGINT, int_handler);
2234 signal (SIGQUIT, quit_handler);
2238 #if SUNOS4_SHARED_LIBRARIES
2240 /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
2241 that the output file depends upon and their initialization/finalization
2242 routines, if any. */
2247 #include <sys/mman.h>
2248 #include <sys/param.h>
2250 #include <sys/dir.h>
2252 /* pointers to the object file */
2253 unsigned object; /* address of memory mapped file */
2254 unsigned objsize; /* size of memory mapped to file */
2255 char * code; /* pointer to code segment */
2256 char * data; /* pointer to data segment */
2257 struct nlist *symtab; /* pointer to symbol table */
2258 struct link_dynamic *ld;
2259 struct link_dynamic_2 *ld_2;
2260 struct head libraries;
2262 /* Map the file indicated by NAME into memory and store its address. */
2264 static void mapfile PARAMS ((const char *));
2272 if ((fp = open (name, O_RDONLY)) == -1)
2273 fatal ("unable to open file '%s'", name);
2274 if (fstat (fp, &s) == -1)
2275 fatal ("unable to stat file '%s'", name);
2277 objsize = s.st_size;
2278 object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
2280 if (object == (unsigned)-1)
2281 fatal ("unable to mmap file '%s'", name);
2286 /* Helpers for locatelib. */
2288 static const char *libname;
2290 static int libselect PARAMS ((struct direct *));
2296 return (strncmp (libname, d->d_name, strlen (libname)) == 0);
2299 /* If one file has an additional numeric extension past LIBNAME, then put
2300 that one first in the sort. If both files have additional numeric
2301 extensions, then put the one with the higher number first in the sort.
2303 We must verify that the extension is numeric, because Sun saves the
2304 original versions of patched libraries with a .FCS extension. Files with
2305 invalid extensions must go last in the sort, so that they will not be used. */
2306 static int libcompare PARAMS ((struct direct **, struct direct **));
2310 struct direct **d1, **d2;
2312 int i1, i2 = strlen (libname);
2313 char *e1 = (*d1)->d_name + i2;
2314 char *e2 = (*d2)->d_name + i2;
2316 while (*e1 && *e2 && *e1 == '.' && *e2 == '.'
2317 && e1[1] && ISDIGIT (e1[1]) && e2[1] && ISDIGIT (e2[1]))
2321 i1 = strtol (e1, &e1, 10);
2322 i2 = strtol (e2, &e2, 10);
2329 /* It has a valid numeric extension, prefer this one. */
2330 if (*e1 == '.' && e1[1] && ISDIGIT (e1[1]))
2332 /* It has an invalid numeric extension, must prefer the other one. */
2338 /* It has a valid numeric extension, prefer this one. */
2339 if (*e2 == '.' && e2[1] && ISDIGIT (e2[1]))
2341 /* It has an invalid numeric extension, must prefer the other one. */
2349 /* Given the name NAME of a dynamic dependency, find its pathname and add
2350 it to the list of libraries. */
2351 static void locatelib PARAMS ((const char *));
2357 static const char **l;
2359 char buf[MAXPATHLEN];
2367 /* counting elements in array, need 1 extra for null */
2369 ld_rules = (char *) (ld_2->ld_rules + code);
2373 for (; *ld_rules != 0; ld_rules++)
2374 if (*ld_rules == ':')
2376 ld_rules = (char *) (ld_2->ld_rules + code);
2377 ldr = xstrdup (ld_rules);
2379 p = getenv ("LD_LIBRARY_PATH");
2384 for (q = p ; *q != 0; q++)
2389 l = (const char **) xmalloc ((cnt + 3) * sizeof (char *));
2394 for (; *ldr != 0; ldr++)
2404 for (; *q != 0; q++)
2411 /* built in directories are /lib, /usr/lib, and /usr/local/lib */
2414 *pp++ = "/usr/local/lib";
2418 for (pp = l; *pp != 0 ; pp++)
2420 struct direct **namelist;
2422 if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
2424 sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
2425 add_to_list (&libraries, buf);
2427 fprintf (stderr, "%s\n", buf);
2434 notice ("not found\n");
2436 fatal ("dynamic dependency %s not found", name);
2440 /* Scan the _DYNAMIC structure of the output file to find shared libraries
2441 that it depends upon and any constructors or destructors they contain. */
2444 scan_libraries (prog_name)
2445 const char *prog_name;
2447 struct exec *header;
2449 struct link_object *lo;
2450 char buff[MAXPATHLEN];
2453 mapfile (prog_name);
2454 header = (struct exec *)object;
2455 if (N_BADMAG (*header))
2456 fatal ("bad magic number in file '%s'", prog_name);
2457 if (header->a_dynamic == 0)
2460 code = (char *) (N_TXTOFF (*header) + (long) header);
2461 data = (char *) (N_DATOFF (*header) + (long) header);
2462 symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
2464 if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
2467 ld = (struct link_dynamic *) (symtab->n_value + code);
2473 ld = (struct link_dynamic *) data;
2478 notice ("dynamic dependencies.\n");
2480 ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
2481 for (lo = (struct link_object *) ld_2->ld_need; lo;
2482 lo = (struct link_object *) lo->lo_next)
2485 lo = (struct link_object *) ((long) lo + code);
2486 name = (char *) (code + lo->lo_name);
2490 fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
2491 sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
2497 fprintf (stderr, "\t%s\n", name);
2498 add_to_list (&libraries, name);
2503 fprintf (stderr, "\n");
2505 /* now iterate through the library list adding their symbols to
2507 for (list = libraries.first; list; list = list->next)
2508 scan_prog_file (list->name, PASS_LIB);
2511 #else /* SUNOS4_SHARED_LIBRARIES */
2514 /* Use the List Dynamic Dependencies program to find shared libraries that
2515 the output file depends upon and their initialization/finalization
2516 routines, if any. */
2519 scan_libraries (prog_name)
2520 const char *prog_name;
2522 static struct head libraries; /* list of shared libraries found */
2524 void (*int_handler) PARAMS ((int));
2525 void (*quit_handler) PARAMS ((int));
2526 char *real_ldd_argv[4];
2527 const char **ldd_argv = (const char **) real_ldd_argv;
2534 /* If we do not have an `ldd', complain. */
2535 if (ldd_file_name == 0)
2537 error ("cannot find `ldd'");
2541 ldd_argv[argc++] = ldd_file_name;
2542 ldd_argv[argc++] = prog_name;
2543 ldd_argv[argc++] = (char *) 0;
2545 if (pipe (pipe_fd) < 0)
2546 fatal_perror ("pipe");
2548 inf = fdopen (pipe_fd[0], "r");
2549 if (inf == (FILE *) 0)
2550 fatal_perror ("fdopen");
2552 /* Trace if needed. */
2555 const char **p_argv;
2558 for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2559 fprintf (stderr, " %s", str);
2561 fprintf (stderr, "\n");
2567 /* Spawn child ldd on pipe */
2570 fatal_perror (VFORK_STRING);
2572 if (pid == 0) /* child context */
2575 if (dup2 (pipe_fd[1], 1) < 0)
2576 fatal_perror ("dup2 %d 1", pipe_fd[1]);
2578 if (close (pipe_fd[0]) < 0)
2579 fatal_perror ("close %d", pipe_fd[0]);
2581 if (close (pipe_fd[1]) < 0)
2582 fatal_perror ("close %d", pipe_fd[1]);
2584 execv (ldd_file_name, real_ldd_argv);
2585 fatal_perror ("execv %s", ldd_file_name);
2588 /* Parent context from here on. */
2589 int_handler = (void (*) PARAMS ((int))) signal (SIGINT, SIG_IGN);
2591 quit_handler = (void (*) PARAMS ((int))) signal (SIGQUIT, SIG_IGN);
2594 if (close (pipe_fd[1]) < 0)
2595 fatal_perror ("close %d", pipe_fd[1]);
2598 notice ("\nldd output with constructors/destructors.\n");
2600 /* Read each line of ldd output. */
2601 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2604 char *name, *end, *p = buf;
2606 /* Extract names of libraries and add to list. */
2607 PARSE_LDD_OUTPUT (p);
2612 if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
2613 fatal ("dynamic dependency %s not found", buf);
2615 /* Find the end of the symbol name. */
2617 (ch2 = *end) != '\0' && ch2 != '\n' && !ISSPACE (ch2) && ch2 != '|';
2622 if (access (name, R_OK) == 0)
2623 add_to_list (&libraries, name);
2625 fatal ("unable to open dynamic dependency '%s'", buf);
2628 fprintf (stderr, "\t%s\n", buf);
2631 fprintf (stderr, "\n");
2633 if (fclose (inf) != 0)
2634 fatal_perror ("fclose");
2636 do_wait (ldd_file_name);
2638 signal (SIGINT, int_handler);
2640 signal (SIGQUIT, quit_handler);
2643 /* now iterate through the library list adding their symbols to
2645 for (list = libraries.first; list; list = list->next)
2646 scan_prog_file (list->name, PASS_LIB);
2649 #endif /* LDD_SUFFIX */
2650 #endif /* SUNOS4_SHARED_LIBRARIES */
2652 #endif /* OBJECT_FORMAT_NONE */
2656 * COFF specific stuff.
2659 #ifdef OBJECT_FORMAT_COFF
2661 #if defined(EXTENDED_COFF)
2663 # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
2664 # define GCC_SYMENT SYMR
2665 # define GCC_OK_SYMBOL(X) ((X).st == stProc || (X).st == stGlobal)
2666 # define GCC_SYMINC(X) (1)
2667 # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
2668 # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
2672 # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
2673 # define GCC_SYMENT SYMENT
2674 # define GCC_OK_SYMBOL(X) \
2675 (((X).n_sclass == C_EXT) && \
2676 ((X).n_scnum > N_UNDEF) && \
2678 || (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
2679 || ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
2680 # define GCC_UNDEF_SYMBOL(X) \
2681 (((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
2682 # define GCC_SYMINC(X) ((X).n_numaux+1)
2683 # define GCC_SYMZERO(X) 0
2685 /* 0757 = U803XTOCMAGIC (AIX 4.3) and 0767 = U64_TOCMAGIC (AIX V5) */
2687 # define GCC_CHECK_HDR(X) \
2688 ((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
2689 || (HEADER (X).f_magic == 0767 && aix64_flag))
2691 # define GCC_CHECK_HDR(X) \
2692 ((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
2693 || (HEADER (X).f_magic == 0757 && aix64_flag))
2698 extern char *ldgetname ();
2700 /* COFF version to scan the name list of the loaded program for
2701 the symbols g++ uses for static constructors and destructors.
2703 The constructor table begins at __CTOR_LIST__ and contains a count
2704 of the number of pointers (or -1 if the constructors are built in a
2705 separate section by the linker), followed by the pointers to the
2706 constructor functions, terminated with a null pointer. The
2707 destructor table has the same format, and begins at __DTOR_LIST__. */
2710 scan_prog_file (prog_name, which_pass)
2711 const char *prog_name;
2712 enum pass which_pass;
2714 LDFILE *ldptr = NULL;
2715 int sym_index, sym_count;
2718 if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
2721 #ifdef COLLECT_EXPORT_LIST
2722 /* We do not need scanning for some standard C libraries. */
2723 if (which_pass == PASS_FIRST && ignore_library (prog_name))
2726 /* On AIX we have a loop, because there is not much difference
2727 between an object and an archive. This trick allows us to
2728 eliminate scan_libraries() function. */
2732 /* Some platforms (e.g. OSF4) declare ldopen as taking a
2733 non-const char * filename parameter, even though it will not
2734 modify that string. So we must cast away const-ness here,
2735 which will cause -Wcast-qual to burp. */
2736 if ((ldptr = ldopen ((char *)prog_name, ldptr)) != NULL)
2738 if (! MY_ISCOFF (HEADER (ldptr).f_magic))
2739 fatal ("%s: not a COFF file", prog_name);
2741 if (GCC_CHECK_HDR (ldptr))
2743 sym_count = GCC_SYMBOLS (ldptr);
2744 sym_index = GCC_SYMZERO (ldptr);
2746 #ifdef COLLECT_EXPORT_LIST
2747 /* Is current archive member a shared object? */
2748 is_shared = HEADER (ldptr).f_flags & F_SHROBJ;
2751 while (sym_index < sym_count)
2755 if (ldtbread (ldptr, sym_index, &symbol) <= 0)
2757 sym_index += GCC_SYMINC (symbol);
2759 if (GCC_OK_SYMBOL (symbol))
2763 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2764 continue; /* should never happen */
2766 #ifdef XCOFF_DEBUGGING_INFO
2767 /* All AIX function names have a duplicate entry
2768 beginning with a dot. */
2773 switch (is_ctor_dtor (name))
2777 add_to_list (&constructors, name);
2778 #ifdef COLLECT_EXPORT_LIST
2779 if (which_pass == PASS_OBJ)
2780 add_to_list (&exports, name);
2786 add_to_list (&destructors, name);
2787 #ifdef COLLECT_EXPORT_LIST
2788 if (which_pass == PASS_OBJ)
2789 add_to_list (&exports, name);
2793 #ifdef COLLECT_EXPORT_LIST
2795 #ifndef LD_INIT_SWITCH
2797 add_to_list (&constructors, name);
2802 #ifndef LD_INIT_SWITCH
2804 add_to_list (&destructors, name);
2811 add_to_list (&frame_tables, name);
2812 #ifdef COLLECT_EXPORT_LIST
2813 if (which_pass == PASS_OBJ)
2814 add_to_list (&exports, name);
2818 default: /* not a constructor or destructor */
2819 #ifdef COLLECT_EXPORT_LIST
2820 /* If we are building a shared object on AIX we need
2821 to explicitly export all global symbols. */
2824 if (which_pass == PASS_OBJ && (! export_flag))
2825 add_to_list (&exports, name);
2832 #if !defined(EXTENDED_COFF)
2833 fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
2834 symbol.n_scnum, symbol.n_sclass,
2835 (symbol.n_type ? "0" : ""), symbol.n_type,
2839 "\tiss = %5d, value = %5ld, index = %5d, name = %s\n",
2840 symbol.iss, (long) symbol.value, symbol.index, name);
2845 #ifdef COLLECT_EXPORT_LIST
2848 /* If archive contains both 32-bit and 64-bit objects,
2849 we want to skip objects in other mode so mismatch normal. */
2851 fprintf (stderr, "%s : magic=%o aix64=%d mismatch\n",
2852 prog_name, HEADER (ldptr).f_magic, aix64_flag);
2858 fatal ("%s: cannot open as COFF file", prog_name);
2860 #ifdef COLLECT_EXPORT_LIST
2861 /* On AIX loop continues while there are more members in archive. */
2863 while (ldclose (ldptr) == FAILURE);
2865 /* Otherwise we simply close ldptr. */
2866 (void) ldclose(ldptr);
2869 #endif /* OBJECT_FORMAT_COFF */
2871 #ifdef COLLECT_EXPORT_LIST
2872 /* Given a library name without "lib" prefix, this function
2873 returns a full library name including a path. */
2875 resolve_lib_name (name)
2881 for (i = 0; libpaths[i]; i++)
2882 if (libpaths[i]->max_len > l)
2883 l = libpaths[i]->max_len;
2885 lib_buf = xmalloc (l + strlen(name) + 10);
2887 for (i = 0; libpaths[i]; i++)
2889 struct prefix_list *list = libpaths[i]->plist;
2890 for (; list; list = list->next)
2892 /* The following lines are needed because path_prefix list
2893 may contain directories both with trailing '/' and
2896 if (list->prefix[strlen(list->prefix)-1] != '/')
2898 for (j = 0; libexts[j]; j++)
2900 sprintf (lib_buf, "%s%slib%s.%s",
2901 list->prefix, p, name, libexts[j]);
2902 if (debug) fprintf (stderr, "searching for: %s\n", lib_buf);
2903 if (file_exists (lib_buf))
2905 if (debug) fprintf (stderr, "found: %s\n", lib_buf);
2912 fprintf (stderr, "not found\n");
2914 fatal ("library lib%s not found", name);
2918 /* Array of standard AIX libraries which should not
2919 be scanned for ctors/dtors. */
2920 static const char *const aix_std_libs[] = {
2928 "/usr/lib/libc_r.a",
2929 "/usr/lib/libm_r.a",
2930 "/usr/lib/threads/libc.a",
2931 "/usr/ccs/lib/libc.a",
2932 "/usr/ccs/lib/libm.a",
2933 "/usr/ccs/lib/libc_r.a",
2934 "/usr/ccs/lib/libm_r.a",
2938 /* This function checks the filename and returns 1
2939 if this name matches the location of a standard AIX library. */
2941 ignore_library (name)
2944 const char *const *p = &aix_std_libs[0];
2945 while (*p++ != NULL)
2946 if (! strcmp (name, *p)) return 1;
2949 #endif /* COLLECT_EXPORT_LIST */
2953 * OSF/rose specific stuff.
2956 #ifdef OBJECT_FORMAT_ROSE
2958 /* Union of the various load commands */
2960 typedef union load_union
2962 ldc_header_t hdr; /* common header */
2963 load_cmd_map_command_t map; /* map indexing other load cmds */
2964 interpreter_command_t iprtr; /* interpreter pathname */
2965 strings_command_t str; /* load commands strings section */
2966 region_command_t region; /* region load command */
2967 reloc_command_t reloc; /* relocation section */
2968 package_command_t pkg; /* package load command */
2969 symbols_command_t sym; /* symbol sections */
2970 entry_command_t ent; /* program start section */
2971 gen_info_command_t info; /* object information */
2972 func_table_command_t func; /* function constructors/destructors */
2975 /* Structure to point to load command and data section in memory. */
2977 typedef struct load_all
2979 load_union_t *load; /* load command */
2980 char *section; /* pointer to section */
2983 /* Structure to contain information about a file mapped into memory. */
2987 char *start; /* start of map */
2988 char *name; /* filename */
2989 long size; /* size of the file */
2990 long rounded_size; /* size rounded to page boundary */
2991 int fd; /* file descriptor */
2992 int rw; /* != 0 if opened read/write */
2993 int use_mmap; /* != 0 if mmap'ed */
2996 extern int decode_mach_o_hdr ();
2997 extern int encode_mach_o_hdr ();
2999 static void add_func_table PARAMS ((mo_header_t *, load_all_t *,
3000 symbol_info_t *, int));
3001 static void print_header PARAMS ((mo_header_t *));
3002 static void print_load_command PARAMS ((load_union_t *, size_t, int));
3003 static void bad_header PARAMS ((int));
3004 static struct file_info *read_file PARAMS ((const char *, int, int));
3005 static void end_file PARAMS ((struct file_info *));
3007 /* OSF/rose specific version to scan the name list of the loaded
3008 program for the symbols g++ uses for static constructors and
3011 The constructor table begins at __CTOR_LIST__ and contains a count
3012 of the number of pointers (or -1 if the constructors are built in a
3013 separate section by the linker), followed by the pointers to the
3014 constructor functions, terminated with a null pointer. The
3015 destructor table has the same format, and begins at __DTOR_LIST__. */
3018 scan_prog_file (prog_name, which_pass)
3019 const char *prog_name;
3020 enum pass which_pass;
3024 load_all_t *load_array;
3025 load_all_t *load_end;
3026 load_all_t *load_cmd;
3027 int symbol_load_cmds;
3033 struct file_info *obj_file;
3035 mo_lcid_t cmd_strings = -1;
3036 symbol_info_t *main_sym = 0;
3037 int rw = (which_pass != PASS_FIRST);
3039 prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
3041 fatal_perror ("open %s", prog_name);
3043 obj_file = read_file (prog_name, prog_fd, rw);
3044 obj = obj_file->start;
3046 status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
3047 if (status != MO_HDR_CONV_SUCCESS)
3048 bad_header (status);
3051 /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
3052 since the hardware will automatically swap bytes for us on loading little endian
3055 #ifndef CROSS_COMPILE
3056 if (hdr.moh_magic != MOH_MAGIC_MSB
3057 || hdr.moh_header_version != MOH_HEADER_VERSION
3058 || hdr.moh_byte_order != OUR_BYTE_ORDER
3059 || hdr.moh_data_rep_id != OUR_DATA_REP_ID
3060 || hdr.moh_cpu_type != OUR_CPU_TYPE
3061 || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
3062 || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
3064 fatal ("incompatibilities between object file & expected values");
3069 print_header (&hdr);
3071 offset = hdr.moh_first_cmd_off;
3072 load_end = load_array
3073 = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
3075 /* Build array of load commands, calculating the offsets */
3076 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3078 load_union_t *load_hdr; /* load command header */
3080 load_cmd = load_end++;
3081 load_hdr = (load_union_t *) (obj + offset);
3083 /* If modifying the program file, copy the header. */
3086 load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
3087 memcpy ((char *)ptr, (char *)load_hdr, load_hdr->hdr.ldci_cmd_size);
3090 /* null out old command map, because we will rewrite at the end. */
3091 if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
3093 cmd_strings = ptr->map.lcm_ld_cmd_strings;
3094 ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
3098 load_cmd->load = load_hdr;
3099 if (load_hdr->hdr.ldci_section_off > 0)
3100 load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
3103 print_load_command (load_hdr, offset, i);
3105 offset += load_hdr->hdr.ldci_cmd_size;
3108 /* If the last command is the load command map and is not undefined,
3109 decrement the count of load commands. */
3110 if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
3113 hdr.moh_n_load_cmds--;
3116 /* Go through and process each symbol table section. */
3117 symbol_load_cmds = 0;
3118 for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
3120 load_union_t *load_hdr = load_cmd->load;
3122 if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
3128 const char *kind = "unknown";
3130 switch (load_hdr->sym.symc_kind)
3132 case SYMC_IMPORTS: kind = "imports"; break;
3133 case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
3134 case SYMC_STABS: kind = "stabs"; break;
3137 notice ("\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
3138 symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
3141 if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
3144 str_sect = load_array[load_hdr->sym.symc_strings_section].section;
3145 if (str_sect == (char *) 0)
3146 fatal ("string section missing");
3148 if (load_cmd->section == (char *) 0)
3149 fatal ("section pointer missing");
3151 num_syms = load_hdr->sym.symc_nentries;
3152 for (i = 0; i < num_syms; i++)
3154 symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
3155 char *name = sym->si_name.symbol_name + str_sect;
3162 char *n = name + strlen (name) - strlen (NAME__MAIN);
3164 if ((n - name) < 0 || strcmp (n, NAME__MAIN))
3174 switch (is_ctor_dtor (name))
3177 add_to_list (&constructors, name);
3181 add_to_list (&destructors, name);
3184 default: /* not a constructor or destructor */
3190 fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
3191 sym->si_type, sym->si_sc_type, sym->si_flags, name);
3196 if (symbol_load_cmds == 0)
3197 fatal ("no symbol table found");
3199 /* Update the program file now, rewrite header and load commands. At present,
3200 we assume that there is enough space after the last load command to insert
3201 one more. Since the first section written out is page aligned, and the
3202 number of load commands is small, this is ok for the present. */
3206 load_union_t *load_map;
3209 if (cmd_strings == -1)
3210 fatal ("no cmd_strings found");
3212 /* Add __main to initializer list.
3213 If we are building a program instead of a shared library, do not
3214 do anything, since in the current version, you cannot do mallocs
3215 and such in the constructors. */
3217 if (main_sym != (symbol_info_t *) 0
3218 && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
3219 add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
3222 notice ("\nUpdating header and load commands.\n\n");
3224 hdr.moh_n_load_cmds++;
3225 size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
3227 /* Create new load command map. */
3229 notice ("load command map, %d cmds, new size %ld.\n",
3230 (int) hdr.moh_n_load_cmds, (long) size);
3232 load_map = (load_union_t *) xcalloc (1, size);
3233 load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
3234 load_map->map.ldc_header.ldci_cmd_size = size;
3235 load_map->map.lcm_ld_cmd_strings = cmd_strings;
3236 load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
3237 load_array[hdr.moh_n_load_cmds-1].load = load_map;
3239 offset = hdr.moh_first_cmd_off;
3240 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3242 load_map->map.lcm_map[i] = offset;
3243 if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
3244 hdr.moh_load_map_cmd_off = offset;
3246 offset += load_array[i].load->hdr.ldci_cmd_size;
3249 hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
3252 print_header (&hdr);
3255 status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
3256 if (status != MO_HDR_CONV_SUCCESS)
3257 bad_header (status);
3260 notice ("writing load commands.\n\n");
3262 /* Write load commands */
3263 offset = hdr.moh_first_cmd_off;
3264 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3266 load_union_t *load_hdr = load_array[i].load;
3267 size_t size = load_hdr->hdr.ldci_cmd_size;
3270 print_load_command (load_hdr, offset, i);
3272 bcopy ((char *) load_hdr, (char *) (obj + offset), size);
3277 end_file (obj_file);
3279 if (close (prog_fd))
3280 fatal_perror ("close %s", prog_name);
3283 fprintf (stderr, "\n");
3287 /* Add a function table to the load commands to call a function
3288 on initiation or termination of the process. */
3291 add_func_table (hdr_p, load_array, sym, type)
3292 mo_header_t *hdr_p; /* pointer to global header */
3293 load_all_t *load_array; /* array of ptrs to load cmds */
3294 symbol_info_t *sym; /* pointer to symbol entry */
3295 int type; /* fntc_type value */
3297 /* Add a new load command. */
3298 int num_cmds = ++hdr_p->moh_n_load_cmds;
3299 int load_index = num_cmds - 1;
3300 size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
3301 load_union_t *ptr = xcalloc (1, size);
3302 load_all_t *load_cmd;
3305 /* Set the unresolved address bit in the header to force the loader to be
3306 used, since kernel exec does not call the initialization functions. */
3307 hdr_p->moh_flags |= MOH_UNRESOLVED_F;
3309 load_cmd = &load_array[load_index];
3310 load_cmd->load = ptr;
3311 load_cmd->section = (char *) 0;
3313 /* Fill in func table load command. */
3314 ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
3315 ptr->func.ldc_header.ldci_cmd_size = size;
3316 ptr->func.ldc_header.ldci_section_off = 0;
3317 ptr->func.ldc_header.ldci_section_len = 0;
3318 ptr->func.fntc_type = type;
3319 ptr->func.fntc_nentries = 1;
3321 /* copy address, turn it from abs. address to (region,offset) if necessary. */
3322 /* Is the symbol already expressed as (region, offset)? */
3323 if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
3325 ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
3326 ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
3329 /* If not, figure out which region it's in. */
3332 mo_vm_addr_t addr = sym->si_value.abs_val;
3335 for (i = 0; i < load_index; i++)
3337 if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
3339 region_command_t *region_ptr = &load_array[i].load->region;
3341 if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
3342 && addr >= region_ptr->regc_addr.vm_addr
3343 && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
3345 ptr->func.fntc_entry_loc[0].adr_lcid = i;
3346 ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
3354 fatal ("could not convert 0x%l.8x into a region", addr);
3358 notice ("%s function, region %d, offset = %ld (0x%.8lx)\n",
3359 type == FNTC_INITIALIZATION ? "init" : "term",
3360 (int) ptr->func.fntc_entry_loc[i].adr_lcid,
3361 (long) ptr->func.fntc_entry_loc[i].adr_sctoff,
3362 (long) ptr->func.fntc_entry_loc[i].adr_sctoff);
3367 /* Print the global header for an OSF/rose object. */
3370 print_header (hdr_ptr)
3371 mo_header_t *hdr_ptr;
3373 fprintf (stderr, "\nglobal header:\n");
3374 fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
3375 fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
3376 fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
3377 fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
3378 fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
3379 fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
3380 fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
3381 fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
3382 fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
3383 fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
3384 fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
3385 fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
3386 fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
3387 fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
3388 fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
3390 if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
3391 fprintf (stderr, ", relocatable");
3393 if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
3394 fprintf (stderr, ", linkable");
3396 if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
3397 fprintf (stderr, ", execable");
3399 if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
3400 fprintf (stderr, ", executable");
3402 if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
3403 fprintf (stderr, ", unresolved");
3405 fprintf (stderr, "\n\n");
3410 /* Print a short summary of a load command. */
3413 print_load_command (load_hdr, offset, number)
3414 load_union_t *load_hdr;
3418 mo_long_t type = load_hdr->hdr.ldci_cmd_type;
3419 const char *type_str = (char *) 0;
3423 case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
3424 case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
3425 case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
3426 case LDC_STRINGS: type_str = "STRINGS"; break;
3427 case LDC_REGION: type_str = "REGION"; break;
3428 case LDC_RELOC: type_str = "RELOC"; break;
3429 case LDC_PACKAGE: type_str = "PACKAGE"; break;
3430 case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
3431 case LDC_ENTRY: type_str = "ENTRY"; break;
3432 case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
3433 case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
3437 "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
3439 (long) load_hdr->hdr.ldci_cmd_size,
3441 (long) load_hdr->hdr.ldci_section_off,
3442 (long) load_hdr->hdr.ldci_section_len);
3444 if (type_str == (char *) 0)
3445 fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
3447 else if (type != LDC_REGION)
3448 fprintf (stderr, ", ty: %s\n", type_str);
3452 const char *region = "";
3453 switch (load_hdr->region.regc_usage_type)
3455 case REG_TEXT_T: region = ", .text"; break;
3456 case REG_DATA_T: region = ", .data"; break;
3457 case REG_BSS_T: region = ", .bss"; break;
3458 case REG_GLUE_T: region = ", .glue"; break;
3459 #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
3460 case REG_RDATA_T: region = ", .rdata"; break;
3461 case REG_SDATA_T: region = ", .sdata"; break;
3462 case REG_SBSS_T: region = ", .sbss"; break;
3466 fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
3468 (long) load_hdr->region.regc_vm_addr,
3469 (long) load_hdr->region.regc_vm_size,
3477 /* Fatal error when {en,de}code_mach_o_header fails. */
3485 case MO_ERROR_BAD_MAGIC: fatal ("bad magic number");
3486 case MO_ERROR_BAD_HDR_VERS: fatal ("bad header version");
3487 case MO_ERROR_BAD_RAW_HDR_VERS: fatal ("bad raw header version");
3488 case MO_ERROR_BUF2SML: fatal ("raw header buffer too small");
3489 case MO_ERROR_OLD_RAW_HDR_FILE: fatal ("old raw header file");
3490 case MO_ERROR_UNSUPPORTED_VERS: fatal ("unsupported version");
3492 fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
3497 /* Read a file into a memory buffer. */
3499 static struct file_info *
3500 read_file (name, fd, rw)
3501 const char *name; /* filename */
3502 int fd; /* file descriptor */
3503 int rw; /* read/write */
3505 struct stat stat_pkt;
3506 struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
3508 static int page_size;
3511 if (fstat (fd, &stat_pkt) < 0)
3512 fatal_perror ("fstat %s", name);
3515 p->size = stat_pkt.st_size;
3516 p->rounded_size = stat_pkt.st_size;
3522 fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
3525 page_size = sysconf (_SC_PAGE_SIZE);
3527 p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
3528 p->start = mmap ((caddr_t) 0,
3529 (rw) ? p->rounded_size : p->size,
3530 (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
3531 MAP_FILE | MAP_VARIABLE | MAP_SHARED,
3535 if (p->start != (char *) 0 && p->start != (char *) -1)
3539 #endif /* USE_MMAP */
3544 fprintf (stderr, "read %s\n", name);
3547 p->start = xmalloc (p->size);
3548 if (lseek (fd, 0L, SEEK_SET) < 0)
3549 fatal_perror ("lseek %s 0", name);
3551 len = read (fd, p->start, p->size);
3553 fatal_perror ("read %s", name);
3556 fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
3562 /* Do anything necessary to write a file back from memory. */
3566 struct file_info *ptr; /* file information block */
3574 fprintf (stderr, "msync %s\n", ptr->name);
3576 if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
3577 fatal_perror ("msync %s", ptr->name);
3581 fprintf (stderr, "munmap %s\n", ptr->name);
3583 if (munmap (ptr->start, ptr->size))
3584 fatal_perror ("munmap %s", ptr->name);
3587 #endif /* USE_MMAP */
3594 fprintf (stderr, "write %s\n", ptr->name);
3596 if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
3597 fatal_perror ("lseek %s 0", ptr->name);
3599 len = write (ptr->fd, ptr->start, ptr->size);
3601 fatal_perror ("write %s", ptr->name);
3603 if (len != ptr->size)
3604 fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
3613 #endif /* OBJECT_FORMAT_ROSE */