1 /* Collect static initialization info into data structures that can be
2 traversed by C++ initialization and finalization routines.
3 Copyright (C) 1992, 93-97, 1998 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. */
33 #ifdef vfork /* Autoconf may define this to fork for us. */
34 # define VFORK_STRING "fork"
36 # define VFORK_STRING "vfork"
42 #define vfork() (decc$$alloc_vfork_blocks() >= 0 ? \
43 lib$get_current_invo_context(decc$$get_vfork_jmpbuf()) : -1)
54 /* Obstack allocation and deallocation routines. */
55 #define obstack_chunk_alloc xmalloc
56 #define obstack_chunk_free free
58 extern char *make_temp_file PROTO ((char *));
60 /* On certain systems, we have code that works by scanning the object file
61 directly. But this code uses system-specific header files and library
62 functions, so turn it off in a cross-compiler. Likewise, the names of
63 the utilities are not correct for a cross-compiler; we have to hope that
64 cross-versions are in the proper directories. */
67 #undef SUNOS4_SHARED_LIBRARIES
68 #undef OBJECT_FORMAT_COFF
69 #undef OBJECT_FORMAT_ROSE
71 #undef REAL_LD_FILE_NAME
72 #undef REAL_NM_FILE_NAME
73 #undef REAL_STRIP_FILE_NAME
76 /* If we cannot use a special method, use the ordinary one:
77 run nm to find what symbols are present.
78 In a cross-compiler, this means you need a cross nm,
79 but that is not quite as unpleasant as special headers. */
81 #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
82 #define OBJECT_FORMAT_NONE
85 #ifdef OBJECT_FORMAT_COFF
94 /* Many versions of ldfcn.h define these. */
102 /* Some systems have an ISCOFF macro, but others do not. In some cases
103 the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
104 that either do not have an ISCOFF macro in /usr/include or for those
105 where it is wrong. */
108 #define MY_ISCOFF(X) ISCOFF (X)
111 #endif /* OBJECT_FORMAT_COFF */
113 #ifdef OBJECT_FORMAT_ROSE
120 #include <sys/mman.h>
124 #include <mach_o_format.h>
125 #include <mach_o_header.h>
126 #include <mach_o_vals.h>
127 #include <mach_o_types.h>
129 #endif /* OBJECT_FORMAT_ROSE */
131 #ifdef OBJECT_FORMAT_NONE
133 /* Default flags to pass to nm. */
135 #define NM_FLAGS "-n"
138 #endif /* OBJECT_FORMAT_NONE */
140 /* Some systems use __main in a way incompatible with its use in gcc, in these
141 cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
142 give the same symbol without quotes for an alternative entry point. You
143 must define both, or neither. */
145 #define NAME__MAIN "__main"
146 #define SYMBOL__MAIN __main
149 /* This must match tree.h. */
150 #define DEFAULT_INIT_PRIORITY 65535
152 #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
153 #define SCAN_LIBRARIES
157 int do_collecting = 1;
159 int do_collecting = 0;
162 /* Linked lists of constructor and destructor names. */
178 /* Enumeration giving which pass this is for scanning the program file. */
181 PASS_FIRST, /* without constructors */
182 PASS_OBJ, /* individual objects */
183 PASS_LIB, /* looking for shared libraries */
184 PASS_SECOND /* with constructors linked in */
187 extern char *version_string;
189 int vflag; /* true if -v */
190 static int rflag; /* true if -r */
191 static int strip_flag; /* true if -s */
192 #ifdef COLLECT_EXPORT_LIST
193 static int export_flag; /* true if -bE */
194 static int aix64_flag; /* true if -b64 */
197 int debug; /* true if -debug */
199 static int shared_obj; /* true if -shared */
201 static char *c_file; /* <xxx>.c for constructor/destructor list. */
202 static char *o_file; /* <xxx>.o for constructor/destructor list. */
203 #ifdef COLLECT_EXPORT_LIST
204 static char *export_file; /* <xxx>.x for AIX export list. */
205 static char *import_file; /* <xxx>.p for AIX import list. */
207 char *ldout; /* File for ld errors. */
208 static char *output_file; /* Output file for ld. */
209 static char *nm_file_name; /* pathname of nm */
211 static char *ldd_file_name; /* pathname of ldd (or equivalent) */
213 static char *strip_file_name; /* pathname of strip */
214 char *c_file_name; /* pathname of gcc */
215 static char *initname, *fininame; /* names of init and fini funcs */
217 static struct head constructors; /* list of constructors found */
218 static struct head destructors; /* list of destructors found */
219 #ifdef COLLECT_EXPORT_LIST
220 static struct head exports; /* list of exported symbols */
221 static struct head imports; /* list of imported symbols */
222 static struct head undefined; /* list of undefined symbols */
224 static struct head frame_tables; /* list of frame unwind info tables */
226 struct obstack temporary_obstack;
227 struct obstack permanent_obstack;
228 char * temporary_firstobj;
230 /* Defined in the automatically-generated underscore.c. */
231 extern int prepends_underscore;
233 extern FILE *fdopen ();
235 #ifndef GET_ENV_PATH_LIST
236 #define GET_ENV_PATH_LIST(VAR,NAME) do { (VAR) = getenv (NAME); } while (0)
239 /* Structure to hold all the directories in which to search for files to
244 char *prefix; /* String to prepend to the path. */
245 struct prefix_list *next; /* Next in linked list. */
250 struct prefix_list *plist; /* List of prefixes to try */
251 int max_len; /* Max length of a prefix in PLIST */
252 char *name; /* Name of this list (used in config stuff) */
255 #ifdef COLLECT_EXPORT_LIST
256 /* Lists to keep libraries to be scanned for global constructors/destructors. */
257 static struct head libs; /* list of libraries */
258 static struct path_prefix cmdline_lib_dirs; /* directories specified with -L */
259 static struct path_prefix libpath_lib_dirs; /* directories in LIBPATH */
260 static struct path_prefix *libpaths[3] = {&cmdline_lib_dirs,
261 &libpath_lib_dirs, NULL};
262 static char *libexts[3] = {"a", "so", NULL}; /* possible library extentions */
265 void error PVPROTO((const char *, ...)) ATTRIBUTE_PRINTF_1;
266 void fatal PVPROTO((const char *, ...))
267 ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
268 void fatal_perror PVPROTO((const char *, ...))
269 ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
270 static char *my_strerror PROTO((int));
271 static const char *my_strsignal PROTO((int));
272 static void handler PROTO((int));
273 static int is_ctor_dtor PROTO((char *));
274 static char *find_a_file PROTO((struct path_prefix *, char *));
275 static void add_prefix PROTO((struct path_prefix *, char *));
276 static void prefix_from_env PROTO((char *, struct path_prefix *));
277 static void prefix_from_string PROTO((char *, struct path_prefix *));
278 static void do_wait PROTO((char *));
279 static void fork_execute PROTO((char *, char **));
280 static void maybe_unlink PROTO((char *));
281 static void add_to_list PROTO((struct head *, char *));
282 static int extract_init_priority PROTO((char *));
283 static void sort_ids PROTO((struct head *));
284 static void write_list PROTO((FILE *, char *, struct id *));
285 #ifdef COLLECT_EXPORT_LIST
286 static void dump_list PROTO((FILE *, char *, struct id *));
289 static void dump_prefix_list PROTO((FILE *, char *, struct prefix_list *));
291 static void write_list_with_asm PROTO((FILE *, char *, struct id *));
292 static void write_c_file PROTO((FILE *, char *));
293 static void scan_prog_file PROTO((char *, enum pass));
294 #ifdef SCAN_LIBRARIES
295 static void scan_libraries PROTO((char *));
297 #ifdef COLLECT_EXPORT_LIST
298 static int is_in_list PROTO((char *, struct id *));
299 static void write_export_file PROTO((FILE *));
300 static void write_import_file PROTO((FILE *));
301 static char *resolve_lib_name PROTO((char *));
302 static int use_import_list PROTO((char *));
303 static int ignore_library PROTO((char *));
323 while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
326 close (fdtmp[--fdx]);
342 static char buffer[30];
346 if (e > 0 && e < sys_nerr)
347 return sys_errlist[e];
349 sprintf (buffer, "Unknown error %d", e);
358 #ifdef HAVE_STRSIGNAL
359 return strsignal (s);
361 if (s >= 0 && s < NSIG)
363 # ifdef NO_SYS_SIGLIST
364 static char buffer[30];
366 sprintf (buffer, "Unknown signal %d", s);
369 return sys_siglist[s];
374 #endif /* HAVE_STRSIGNAL */
377 /* Delete tempfiles and exit function. */
380 collect_exit (status)
383 if (c_file != 0 && c_file[0])
384 maybe_unlink (c_file);
386 if (o_file != 0 && o_file[0])
387 maybe_unlink (o_file);
389 #ifdef COLLECT_EXPORT_LIST
390 if (export_file != 0 && export_file[0])
391 maybe_unlink (export_file);
393 if (import_file != 0 && import_file[0])
394 maybe_unlink (import_file);
397 if (ldout != 0 && ldout[0])
400 maybe_unlink (ldout);
403 if (status != 0 && output_file != 0 && output_file[0])
404 maybe_unlink (output_file);
410 /* Die when sys call fails. */
413 fatal_perror VPROTO((const char * string, ...))
415 #ifndef ANSI_PROTOTYPES
421 VA_START (ap, string);
423 #ifndef ANSI_PROTOTYPES
424 string = va_arg (ap, const char *);
427 fprintf (stderr, "collect2: ");
428 vfprintf (stderr, string, ap);
429 fprintf (stderr, ": %s\n", my_strerror (e));
432 collect_exit (FATAL_EXIT_CODE);
438 fatal VPROTO((const char * string, ...))
440 #ifndef ANSI_PROTOTYPES
445 VA_START (ap, string);
447 #ifndef ANSI_PROTOTYPES
448 string = va_arg (ap, const char *);
451 fprintf (stderr, "collect2: ");
452 vfprintf (stderr, string, ap);
453 fprintf (stderr, "\n");
456 collect_exit (FATAL_EXIT_CODE);
459 /* Write error message. */
462 error VPROTO((const char * string, ...))
464 #ifndef ANSI_PROTOTYPES
469 VA_START (ap, string);
471 #ifndef ANSI_PROTOTYPES
472 string = va_arg (ap, const char *);
475 fprintf (stderr, "collect2: ");
476 vfprintf (stderr, string, ap);
477 fprintf (stderr, "\n");
481 /* In case obstack is linked in, and abort is defined to fancy_abort,
482 provide a default entry. */
487 fatal ("internal error");
495 if (c_file != 0 && c_file[0])
496 maybe_unlink (c_file);
498 if (o_file != 0 && o_file[0])
499 maybe_unlink (o_file);
501 if (ldout != 0 && ldout[0])
502 maybe_unlink (ldout);
504 #ifdef COLLECT_EXPORT_LIST
505 if (export_file != 0 && export_file[0])
506 maybe_unlink (export_file);
508 if (import_file != 0 && import_file[0])
509 maybe_unlink (import_file);
512 signal (signo, SIG_DFL);
513 kill (getpid (), signo);
518 xcalloc (size1, size2)
521 char *ptr = (char *) calloc (size1, size2);
525 fatal ("out of memory");
533 char *ptr = (char *) malloc (size);
537 fatal ("out of memory");
546 register char *value = (char *) realloc (ptr, size);
548 fatal ("virtual memory exhausted");
556 return access (name, R_OK) == 0;
559 /* Make a copy of a string INPUT with size SIZE. */
562 savestring (input, size)
566 char *output = (char *) xmalloc (size + 1);
567 bcopy (input, output, size);
572 /* Parse a reasonable subset of shell quoting syntax. */
589 obstack_1grow (&temporary_obstack, c);
590 else if (! inside && c == ' ')
592 else if (! inside && c == '\\')
597 obstack_1grow (&temporary_obstack, c);
600 obstack_1grow (&temporary_obstack, '\0');
602 return obstack_finish (&temporary_obstack);
609 FILE *stream = fopen (name, "r");
610 int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
617 while (c = getc (stream),
618 c != EOF && (ISALNUM (c) || c == '_' || c == '$' || c == '.'))
619 obstack_1grow (&temporary_obstack, c);
620 if (obstack_object_size (&temporary_obstack) > 0)
622 char *word, *p, *result;
623 obstack_1grow (&temporary_obstack, '\0');
624 word = obstack_finish (&temporary_obstack);
627 ++word, putc ('.', stderr);
629 if (*p == '_' && prepends_underscore)
635 result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI);
640 fputs (result, stderr);
642 diff = strlen (word) - strlen (result);
644 --diff, putc (' ', stderr);
645 while (diff < 0 && c == ' ')
646 ++diff, c = getc (stream);
651 fputs (word, stderr);
654 obstack_free (&temporary_obstack, temporary_firstobj);
663 /* Decide whether the given symbol is:
664 a constructor (1), a destructor (2), or neither (0). */
670 struct names { char *name; int len; int ret; int two_underscores; };
672 register struct names *p;
674 register char *orig_s = s;
676 static struct names special[] = {
677 #ifdef NO_DOLLAR_IN_LABEL
678 #ifdef NO_DOT_IN_LABEL
679 { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
680 { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
681 { "GLOBAL__F_", sizeof ("GLOBAL__F_")-1, 5, 0 },
683 { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 },
684 { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 },
685 { "GLOBAL_.F.", sizeof ("GLOBAL_.F.")-1, 5, 0 },
688 { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 },
689 { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 },
690 { "GLOBAL_$F$", sizeof ("GLOBAL_$F$")-1, 5, 0 },
692 { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
693 { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
694 #ifdef CFRONT_LOSSAGE /* Do not collect cfront initialization functions.
695 cfront has its own linker procedure to collect them;
696 if collect2 gets them too, they get collected twice
697 when the cfront procedure is run and the compiler used
698 for linking happens to be GCC. */
699 { "sti__", sizeof ("sti__")-1, 1, 1 },
700 { "std__", sizeof ("std__")-1, 2, 1 },
701 #endif /* CFRONT_LOSSAGE */
705 while ((ch = *s) == '_')
711 for (p = &special[0]; p->len > 0; p++)
714 && (!p->two_underscores || ((s - orig_s) >= 2))
715 && strncmp(s, p->name, p->len) == 0)
723 /* Routine to add variables to the environment. */
731 #ifndef VMS /* nor about VMS */
733 extern char **environ;
734 char **old_environ = environ;
741 while ((ch = *p++) != '\0' && ch != '=')
747 /* Search for replacing an existing environment variable, and
748 count the number of total environment variables. */
749 for (envp = old_environ; *envp; envp++)
752 if (!strncmp (str, *envp, name_len))
759 /* Add a new environment variable */
760 environ = (char **) xmalloc (sizeof (char *) * (num_envs+2));
762 bcopy ((char *) old_environ, (char *) (environ + 1),
763 sizeof (char *) * (num_envs+1));
769 #endif /* HAVE_PUTENV */
771 /* By default, colon separates directories in a path. */
772 #ifndef PATH_SEPARATOR
773 #define PATH_SEPARATOR ':'
776 /* We maintain two prefix lists: one from COMPILER_PATH environment variable
777 and one from the PATH variable. */
779 static struct path_prefix cpath, path;
782 /* This is the name of the target machine. We use it to form the name
783 of the files to execute. */
785 static char *target_machine = TARGET_MACHINE;
788 /* Search for NAME using prefix list PPREFIX. We only look for executable
791 Return 0 if not found, otherwise return its name, allocated with malloc. */
794 find_a_file (pprefix, name)
795 struct path_prefix *pprefix;
799 struct prefix_list *pl;
800 int len = pprefix->max_len + strlen (name) + 1;
803 fprintf (stderr, "Looking for '%s'\n", name);
805 #ifdef EXECUTABLE_SUFFIX
806 len += strlen (EXECUTABLE_SUFFIX);
809 temp = xmalloc (len);
811 /* Determine the filename to execute (special case for absolute paths). */
815 || (DIR_SEPARATOR == '\\' && name[1] == ':'
816 && (name[2] == DIR_SEPARATOR || name[2] == '/'))
820 if (access (name, X_OK) == 0)
825 fprintf (stderr, " - found: absolute path\n");
831 fprintf (stderr, " - failed to locate using absolute path\n");
834 for (pl = pprefix->plist; pl; pl = pl->next)
836 strcpy (temp, pl->prefix);
839 if (access (temp, X_OK) == 0)
842 #ifdef EXECUTABLE_SUFFIX
843 /* Some systems have a suffix for executable files.
844 So try appending that. */
845 strcat (temp, EXECUTABLE_SUFFIX);
847 if (access (temp, X_OK) == 0)
852 if (debug && pprefix->plist == NULL)
853 fprintf (stderr, " - failed: no entries in prefix list\n");
859 /* Add an entry for PREFIX to prefix list PPREFIX. */
862 add_prefix (pprefix, prefix)
863 struct path_prefix *pprefix;
866 struct prefix_list *pl, **prev;
871 for (pl = pprefix->plist; pl->next; pl = pl->next)
876 prev = &pprefix->plist;
878 /* Keep track of the longest prefix */
880 len = strlen (prefix);
881 if (len > pprefix->max_len)
882 pprefix->max_len = len;
884 pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
885 pl->prefix = savestring (prefix, len);
890 pl->next = (struct prefix_list *) 0;
894 /* Take the value of the environment variable ENV, break it into a path, and
895 add of the entries to PPREFIX. */
898 prefix_from_env (env, pprefix)
900 struct path_prefix *pprefix;
903 GET_ENV_PATH_LIST (p, env);
906 prefix_from_string (p, pprefix);
910 prefix_from_string (p, pprefix)
912 struct path_prefix *pprefix;
915 char *nstore = (char *) xmalloc (strlen (p) + 3);
918 fprintf (stderr, "Convert string '%s' into prefixes, separator = '%c'\n", p, PATH_SEPARATOR);
923 if (*endp == PATH_SEPARATOR || *endp == 0)
925 strncpy (nstore, startp, endp-startp);
928 strcpy (nstore, "./");
930 else if (endp[-1] != '/')
932 nstore[endp-startp] = '/';
933 nstore[endp-startp+1] = 0;
936 nstore[endp-startp] = 0;
939 fprintf (stderr, " - add prefix: %s\n", nstore);
941 add_prefix (pprefix, nstore);
944 endp = startp = endp + 1;
958 char *ld_suffix = "ld";
959 char *full_ld_suffix = ld_suffix;
960 char *real_ld_suffix = "real-ld";
961 char *collect_ld_suffix = "collect-ld";
962 char *nm_suffix = "nm";
963 char *full_nm_suffix = nm_suffix;
964 char *gnm_suffix = "gnm";
965 char *full_gnm_suffix = gnm_suffix;
967 char *ldd_suffix = LDD_SUFFIX;
968 char *full_ldd_suffix = ldd_suffix;
970 char *strip_suffix = "strip";
971 char *full_strip_suffix = strip_suffix;
972 char *gstrip_suffix = "gstrip";
973 char *full_gstrip_suffix = gstrip_suffix;
976 #ifdef COLLECT_EXPORT_LIST
984 char **ld1_argv = (char **) xcalloc (sizeof (char *), argc+3);
985 char **ld1 = ld1_argv;
986 char **ld2_argv = (char **) xcalloc (sizeof (char *), argc+6);
987 char **ld2 = ld2_argv;
988 char **object_lst = (char **) xcalloc (sizeof (char *), argc);
989 char **object = object_lst;
991 int num_c_args = argc+9;
997 /* Parse command line early for instances of -debug. This allows
998 the debug flag to be set before functions like find_a_file()
1003 for (i = 1; argv[i] != NULL; i ++)
1004 if (! strcmp (argv[i], "-debug"))
1009 #ifndef DEFAULT_A_OUT_NAME
1010 output_file = "a.out";
1012 output_file = DEFAULT_A_OUT_NAME;
1015 obstack_begin (&temporary_obstack, 0);
1016 obstack_begin (&permanent_obstack, 0);
1017 temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
1019 current_demangling_style = gnu_demangling;
1020 p = getenv ("COLLECT_GCC_OPTIONS");
1023 char *q = extract_string (&p);
1024 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
1027 obstack_free (&temporary_obstack, temporary_firstobj);
1030 c_ptr = c_argv = (char **) xcalloc (sizeof (char *), num_c_args);
1033 fatal ("no arguments");
1036 if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
1037 signal (SIGQUIT, handler);
1039 if (signal (SIGINT, SIG_IGN) != SIG_IGN)
1040 signal (SIGINT, handler);
1042 if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
1043 signal (SIGALRM, handler);
1046 if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
1047 signal (SIGHUP, handler);
1049 if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
1050 signal (SIGSEGV, handler);
1052 if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
1053 signal (SIGBUS, handler);
1056 /* Extract COMPILER_PATH and PATH into our prefix list. */
1057 prefix_from_env ("COMPILER_PATH", &cpath);
1058 prefix_from_env ("PATH", &path);
1060 #ifdef CROSS_COMPILE
1061 /* If we look for a program in the compiler directories, we just use
1062 the short name, since these directories are already system-specific.
1063 But it we look for a program in the system directories, we need to
1064 qualify the program name with the target machine. */
1067 = xcalloc (strlen (ld_suffix) + strlen (target_machine) + 2, 1);
1068 strcpy (full_ld_suffix, target_machine);
1069 strcat (full_ld_suffix, "-");
1070 strcat (full_ld_suffix, ld_suffix);
1074 = xcalloc (strlen (gld_suffix) + strlen (target_machine) + 2, 1);
1075 strcpy (full_gld_suffix, target_machine);
1076 strcat (full_gld_suffix, "-");
1077 strcat (full_gld_suffix, gld_suffix);
1081 = xcalloc (strlen (nm_suffix) + strlen (target_machine) + 2, 1);
1082 strcpy (full_nm_suffix, target_machine);
1083 strcat (full_nm_suffix, "-");
1084 strcat (full_nm_suffix, nm_suffix);
1087 = xcalloc (strlen (gnm_suffix) + strlen (target_machine) + 2, 1);
1088 strcpy (full_gnm_suffix, target_machine);
1089 strcat (full_gnm_suffix, "-");
1090 strcat (full_gnm_suffix, gnm_suffix);
1094 = xcalloc (strlen (ldd_suffix) + strlen (target_machine) + 2, 1);
1095 strcpy (full_ldd_suffix, target_machine);
1096 strcat (full_ldd_suffix, "-");
1097 strcat (full_ldd_suffix, ldd_suffix);
1101 = xcalloc (strlen (strip_suffix) + strlen (target_machine) + 2, 1);
1102 strcpy (full_strip_suffix, target_machine);
1103 strcat (full_strip_suffix, "-");
1104 strcat (full_strip_suffix, strip_suffix);
1107 = xcalloc (strlen (gstrip_suffix) + strlen (target_machine) + 2, 1);
1108 strcpy (full_gstrip_suffix, target_machine);
1109 strcat (full_gstrip_suffix, "-");
1110 strcat (full_gstrip_suffix, gstrip_suffix);
1111 #endif /* CROSS_COMPILE */
1113 /* Try to discover a valid linker/nm/strip to use. */
1115 /* Maybe we know the right file to use (if not cross). */
1117 #ifdef DEFAULT_LINKER
1118 if (access (DEFAULT_LINKER, X_OK) == 0)
1119 ld_file_name = DEFAULT_LINKER;
1120 if (ld_file_name == 0)
1122 #ifdef REAL_LD_FILE_NAME
1123 ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
1124 if (ld_file_name == 0)
1126 /* Search the (target-specific) compiler dirs for ld'. */
1127 ld_file_name = find_a_file (&cpath, real_ld_suffix);
1128 /* Likewise for `collect-ld'. */
1129 if (ld_file_name == 0)
1130 ld_file_name = find_a_file (&cpath, collect_ld_suffix);
1131 /* Search the compiler directories for `ld'. We have protection against
1132 recursive calls in find_a_file. */
1133 if (ld_file_name == 0)
1134 ld_file_name = find_a_file (&cpath, ld_suffix);
1135 /* Search the ordinary system bin directories
1136 for `ld' (if native linking) or `TARGET-ld' (if cross). */
1137 if (ld_file_name == 0)
1138 ld_file_name = find_a_file (&path, full_ld_suffix);
1140 #ifdef REAL_NM_FILE_NAME
1141 nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
1142 if (nm_file_name == 0)
1144 nm_file_name = find_a_file (&cpath, gnm_suffix);
1145 if (nm_file_name == 0)
1146 nm_file_name = find_a_file (&path, full_gnm_suffix);
1147 if (nm_file_name == 0)
1148 nm_file_name = find_a_file (&cpath, nm_suffix);
1149 if (nm_file_name == 0)
1150 nm_file_name = find_a_file (&path, full_nm_suffix);
1153 ldd_file_name = find_a_file (&cpath, ldd_suffix);
1154 if (ldd_file_name == 0)
1155 ldd_file_name = find_a_file (&path, full_ldd_suffix);
1158 #ifdef REAL_STRIP_FILE_NAME
1159 strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
1160 if (strip_file_name == 0)
1162 strip_file_name = find_a_file (&cpath, gstrip_suffix);
1163 if (strip_file_name == 0)
1164 strip_file_name = find_a_file (&path, full_gstrip_suffix);
1165 if (strip_file_name == 0)
1166 strip_file_name = find_a_file (&cpath, strip_suffix);
1167 if (strip_file_name == 0)
1168 strip_file_name = find_a_file (&path, full_strip_suffix);
1170 /* Determine the full path name of the C compiler to use. */
1171 c_file_name = getenv ("COLLECT_GCC");
1172 if (c_file_name == 0)
1174 #ifdef CROSS_COMPILE
1175 c_file_name = xcalloc (sizeof ("gcc-") + strlen (target_machine) + 1, 1);
1176 strcpy (c_file_name, target_machine);
1177 strcat (c_file_name, "-gcc");
1179 c_file_name = "gcc";
1183 p = find_a_file (&cpath, c_file_name);
1185 /* Here it should be safe to use the system search path since we should have
1186 already qualified the name of the compiler when it is needed. */
1188 p = find_a_file (&path, c_file_name);
1193 *ld1++ = *ld2++ = ld_file_name;
1195 /* Make temp file names. */
1196 c_file = make_temp_file (".c");
1197 o_file = make_temp_file (".o");
1198 #ifdef COLLECT_EXPORT_LIST
1199 export_file = make_temp_file (".x");
1200 import_file = make_temp_file (".p");
1202 ldout = make_temp_file (".ld");
1203 *c_ptr++ = c_file_name;
1210 #ifdef COLLECT_EXPORT_LIST
1211 /* Generate a list of directories from LIBPATH. */
1212 prefix_from_env ("LIBPATH", &libpath_lib_dirs);
1213 /* Add to this list also two standard directories where
1214 AIX loader always searches for libraries. */
1215 add_prefix (&libpath_lib_dirs, "/lib");
1216 add_prefix (&libpath_lib_dirs, "/usr/lib");
1219 /* Get any options that the upper GCC wants to pass to the sub-GCC.
1221 AIX support needs to know if -shared has been specified before
1222 parsing commandline arguments. */
1224 p = getenv ("COLLECT_GCC_OPTIONS");
1227 char *q = extract_string (&p);
1228 if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
1229 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1230 if (strcmp (q, "-EL") == 0 || strcmp (q, "-EB") == 0)
1231 *c_ptr++ = obstack_copy0 (&permanent_obstack, q, strlen (q));
1232 if (strncmp (q, "-shared", sizeof ("-shared") - 1) == 0)
1235 obstack_free (&temporary_obstack, temporary_firstobj);
1236 *c_ptr++ = "-fno-exceptions";
1238 /* !!! When GCC calls collect2,
1239 it does not know whether it is calling collect2 or ld.
1240 So collect2 cannot meaningfully understand any options
1241 except those ld understands.
1242 If you propose to make GCC pass some other option,
1243 just imagine what will happen if ld is really ld!!! */
1245 /* Parse arguments. Remember output file spec, pass the rest to ld. */
1246 /* After the first file, put in the c++ rt0. */
1249 while ((arg = *++argv) != (char *) 0)
1251 *ld1++ = *ld2++ = arg;
1257 #ifdef COLLECT_EXPORT_LIST
1258 /* We want to disable automatic exports on AIX when user
1259 explicitly puts an export list in command line */
1261 if (arg[2] == 'E' || strncmp (&arg[2], "export", 6) == 0)
1263 else if (arg[2] == '6' && arg[3] == '4')
1269 if (!strcmp (arg, "-debug"))
1271 /* Already parsed. */
1280 /* place o_file BEFORE this argument! */
1286 #ifdef COLLECT_EXPORT_LIST
1288 /* Resolving full library name. */
1289 char *s = resolve_lib_name (arg+2);
1291 /* If we will use an import list for this library,
1292 we should exclude it from ld args. */
1293 if (use_import_list (s))
1299 /* Saving a full library name. */
1300 add_to_list (&libs, s);
1305 #ifdef COLLECT_EXPORT_LIST
1306 /* Saving directories where to search for libraries. */
1308 add_prefix (&cmdline_lib_dirs, arg+2);
1314 output_file = *ld1++ = *ld2++ = *++argv;
1316 output_file = &arg[2];
1325 if (arg[2] == '\0' && do_collecting)
1327 /* We must strip after the nm run, otherwise C++ linking
1328 will not work. Thus we strip in the second ld run, or
1329 else with strip if there is no second ld run. */
1341 else if ((p = rindex (arg, '.')) != (char *) 0
1342 && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
1343 || strcmp (p, ".so") == 0))
1352 /* place o_file BEFORE this argument! */
1360 #ifdef COLLECT_EXPORT_LIST
1361 /* libraries can be specified directly, i.e. without -l flag. */
1364 /* If we will use an import list for this library,
1365 we should exclude it from ld args. */
1366 if (use_import_list (arg))
1372 /* Saving a full library name. */
1373 add_to_list (&libs, arg);
1379 #ifdef COLLECT_EXPORT_LIST
1380 /* This is added only for debugging purposes. */
1383 fprintf (stderr, "List of libraries:\n");
1384 dump_list (stderr, "\t", libs.first);
1387 /* The AIX linker will discard static constructors in object files if
1388 nothing else in the file is referenced, so look at them first. */
1390 char **export_object_lst = object_lst;
1391 while (export_object_lst < object)
1392 scan_prog_file (*export_object_lst++, PASS_OBJ);
1395 struct id *list = libs.first;
1396 for (; list; list = list->next)
1397 scan_prog_file (list->name, PASS_FIRST);
1400 char *buf1 = alloca (strlen (export_file) + 5);
1401 char *buf2 = alloca (strlen (import_file) + 5);
1402 sprintf (buf1, "-bE:%s", export_file);
1403 sprintf (buf2, "-bI:%s", import_file);
1408 exportf = fopen (export_file, "w");
1409 if (exportf == (FILE *) 0)
1410 fatal_perror ("%s", export_file);
1411 write_export_file (exportf);
1412 if (fclose (exportf))
1413 fatal_perror ("closing %s", export_file);
1414 importf = fopen (import_file, "w");
1415 if (importf == (FILE *) 0)
1416 fatal_perror ("%s", import_file);
1417 write_import_file (importf);
1418 if (fclose (importf))
1419 fatal_perror ("closing %s", import_file);
1424 *object = *c_ptr = *ld1 = (char *) 0;
1428 fprintf (stderr, "collect2 version %s", version_string);
1429 #ifdef TARGET_VERSION
1432 fprintf (stderr, "\n");
1438 fprintf (stderr, "ld_file_name = %s\n",
1439 (ld_file_name ? ld_file_name : "not found"));
1440 fprintf (stderr, "c_file_name = %s\n",
1441 (c_file_name ? c_file_name : "not found"));
1442 fprintf (stderr, "nm_file_name = %s\n",
1443 (nm_file_name ? nm_file_name : "not found"));
1445 fprintf (stderr, "ldd_file_name = %s\n",
1446 (ldd_file_name ? ldd_file_name : "not found"));
1448 fprintf (stderr, "strip_file_name = %s\n",
1449 (strip_file_name ? strip_file_name : "not found"));
1450 fprintf (stderr, "c_file = %s\n",
1451 (c_file ? c_file : "not found"));
1452 fprintf (stderr, "o_file = %s\n",
1453 (o_file ? o_file : "not found"));
1455 ptr = getenv ("COLLECT_GCC_OPTIONS");
1457 fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
1459 ptr = getenv ("COLLECT_GCC");
1461 fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
1463 ptr = getenv ("COMPILER_PATH");
1465 fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
1467 ptr = getenv ("LIBRARY_PATH");
1469 fprintf (stderr, "LIBRARY_PATH = %s\n", ptr);
1471 fprintf (stderr, "\n");
1474 /* Load the program, searching all libraries and attempting to provide
1475 undefined symbols from repository information. */
1477 /* On AIX we do this later. */
1478 #ifndef COLLECT_EXPORT_LIST
1479 do_tlink (ld1_argv, object_lst);
1482 /* If -r or they will be run via some other method, do not build the
1483 constructor or destructor list, just return now. */
1485 #ifndef COLLECT_EXPORT_LIST
1490 #ifdef COLLECT_EXPORT_LIST
1491 /* But make sure we delete the export file we may have created. */
1492 if (export_file != 0 && export_file[0])
1493 maybe_unlink (export_file);
1494 if (import_file != 0 && import_file[0])
1495 maybe_unlink (import_file);
1497 maybe_unlink (c_file);
1498 maybe_unlink (o_file);
1502 /* Examine the namelist with nm and search it for static constructors
1503 and destructors to call.
1504 Write the constructor and destructor tables to a .s file and reload. */
1506 /* On AIX we already done scanning for global constructors/destructors. */
1507 #ifndef COLLECT_EXPORT_LIST
1508 scan_prog_file (output_file, PASS_FIRST);
1511 #ifdef SCAN_LIBRARIES
1512 scan_libraries (output_file);
1517 fprintf (stderr, "%d constructor(s) found\n", constructors.number);
1518 fprintf (stderr, "%d destructor(s) found\n", destructors.number);
1521 if (constructors.number == 0 && destructors.number == 0
1522 && frame_tables.number == 0
1523 #if defined (SCAN_LIBRARIES) || defined (COLLECT_EXPORT_LIST)
1524 /* If we will be running these functions ourselves, we want to emit
1525 stubs into the shared library so that we do not have to relink
1526 dependent programs when we add static objects. */
1531 #ifdef COLLECT_EXPORT_LIST
1532 /* Doing tlink without additional code generation */
1533 do_tlink (ld1_argv, object_lst);
1535 /* Strip now if it was requested on the command line. */
1538 char **strip_argv = (char **) xcalloc (sizeof (char *), 3);
1539 strip_argv[0] = strip_file_name;
1540 strip_argv[1] = output_file;
1541 strip_argv[2] = (char *) 0;
1542 fork_execute ("strip", strip_argv);
1545 #ifdef COLLECT_EXPORT_LIST
1546 maybe_unlink (export_file);
1547 maybe_unlink (import_file);
1549 maybe_unlink (c_file);
1550 maybe_unlink (o_file);
1554 /* Sort ctor and dtor lists by priority. */
1555 sort_ids (&constructors);
1556 sort_ids (&destructors);
1558 maybe_unlink(output_file);
1559 outf = fopen (c_file, "w");
1560 if (outf == (FILE *) 0)
1561 fatal_perror ("%s", c_file);
1563 write_c_file (outf, c_file);
1566 fatal_perror ("closing %s", c_file);
1568 /* Tell the linker that we have initializer and finalizer functions. */
1569 #ifdef LD_INIT_SWITCH
1570 *ld2++ = LD_INIT_SWITCH;
1572 *ld2++ = LD_FINI_SWITCH;
1577 #ifdef COLLECT_EXPORT_LIST
1580 add_to_list (&exports, initname);
1581 add_to_list (&exports, fininame);
1582 add_to_list (&exports, "_GLOBAL__DI");
1583 add_to_list (&exports, "_GLOBAL__DD");
1584 exportf = fopen (export_file, "w");
1585 if (exportf == (FILE *) 0)
1586 fatal_perror ("%s", export_file);
1587 write_export_file (exportf);
1588 if (fclose (exportf))
1589 fatal_perror ("closing %s", export_file);
1595 fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
1596 output_file, c_file);
1597 write_c_file (stderr, "stderr");
1598 fprintf (stderr, "========== end of c_file\n\n");
1599 #ifdef COLLECT_EXPORT_LIST
1600 fprintf (stderr, "\n========== export_file = %s\n", export_file);
1601 write_export_file (stderr);
1602 fprintf (stderr, "========== end of export_file\n\n");
1606 /* Assemble the constructor and destructor tables.
1607 Link the tables in with the rest of the program. */
1609 fork_execute ("gcc", c_argv);
1610 #ifdef COLLECT_EXPORT_LIST
1611 /* On AIX we must call tlink because of possible templates resolution */
1612 do_tlink (ld2_argv, object_lst);
1614 /* Otherwise, simply call ld because tlink is already done */
1615 fork_execute ("ld", ld2_argv);
1617 /* Let scan_prog_file do any final mods (OSF/rose needs this for
1618 constructors/destructors in shared libraries. */
1619 scan_prog_file (output_file, PASS_SECOND);
1622 maybe_unlink (c_file);
1623 maybe_unlink (o_file);
1625 #ifdef COLLECT_EXPORT_LIST
1626 maybe_unlink (export_file);
1627 maybe_unlink (import_file);
1634 /* Wait for a process to finish, and exit if a non-zero status is found. */
1645 if (WIFSIGNALED (status))
1647 int sig = WTERMSIG (status);
1648 error ("%s terminated with signal %d [%s]%s",
1652 (status & 0200) ? ", core dumped" : "");
1654 collect_exit (FATAL_EXIT_CODE);
1657 if (WIFEXITED (status))
1658 return WEXITSTATUS (status);
1667 int ret = collect_wait (prog);
1670 error ("%s returned %d exit status", prog, ret);
1676 /* Fork and execute a program, and wait for the reply. */
1679 collect_execute (prog, argv, redir)
1692 fprintf (stderr, "%s", argv[0]);
1694 fprintf (stderr, "[cannot find %s]", prog);
1696 for (p_argv = &argv[1]; (str = *p_argv) != (char *) 0; p_argv++)
1697 fprintf (stderr, " %s", str);
1699 fprintf (stderr, "\n");
1705 /* If we cannot find a program we need, complain error. Do this here
1706 since we might not end up needing something that we could not find. */
1709 fatal ("cannot find `%s'", prog);
1714 fatal_perror (VFORK_STRING);
1716 if (pid == 0) /* child context */
1721 if (freopen (redir, "a", stdout) == NULL)
1722 fatal_perror ("redirecting stdout: %s", redir);
1723 if (freopen (redir, "a", stderr) == NULL)
1724 fatal_perror ("redirecting stderr: %s", redir);
1727 execvp (argv[0], argv);
1728 fatal_perror ("executing %s", prog);
1731 pid = _spawnvp (_P_NOWAIT, argv[0], argv);
1733 fatal ("spawnvp failed");
1738 fork_execute (prog, argv)
1742 collect_execute (prog, argv, NULL);
1746 /* Unlink a file unless we are debugging. */
1755 fprintf (stderr, "[Leaving %s]\n", file);
1759 static long sequence_number = 0;
1761 /* Add a name to a linked list. */
1764 add_to_list (head_ptr, name)
1765 struct head *head_ptr;
1769 = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
1771 strcpy (newid->name, name);
1773 if (head_ptr->first)
1774 head_ptr->last->next = newid;
1776 head_ptr->first = newid;
1778 /* Check for duplicate symbols. */
1779 for (p = head_ptr->first;
1780 strcmp (name, p->name) != 0;
1785 head_ptr->last->next = 0;
1790 newid->sequence = ++sequence_number;
1791 head_ptr->last = newid;
1795 /* Grab the init priority number from an init function name that
1796 looks like "_GLOBAL_.I.12345.foo". */
1799 extract_init_priority (name)
1804 while (name[pos] == '_')
1806 pos += 10; /* strlen ("GLOBAL__X_") */
1808 /* Extract init_p number from ctor/dtor name. */
1809 pri = atoi (name + pos);
1810 return pri ? pri : DEFAULT_INIT_PRIORITY;
1813 /* Insertion sort the ids from ctor/dtor list HEAD_PTR in descending order.
1814 ctors will be run from right to left, dtors from left to right. */
1818 struct head *head_ptr;
1820 /* id holds the current element to insert. id_next holds the next
1821 element to insert. id_ptr iterates through the already sorted elements
1822 looking for the place to insert id. */
1823 struct id *id, *id_next, **id_ptr;
1825 id = head_ptr->first;
1827 /* We don't have any sorted elements yet. */
1828 head_ptr->first = NULL;
1830 for (; id; id = id_next)
1833 id->sequence = extract_init_priority (id->name);
1835 for (id_ptr = &(head_ptr->first); ; id_ptr = &((*id_ptr)->next))
1837 /* If the sequence numbers are the same, we put the id from the
1838 file later on the command line later in the list. */
1839 || id->sequence > (*id_ptr)->sequence
1840 /* Hack: do lexical compare, too.
1841 || (id->sequence == (*id_ptr)->sequence
1842 && strcmp (id->name, (*id_ptr)->name) > 0) */
1851 /* Now set the sequence numbers properly so write_c_file works. */
1852 for (id = head_ptr->first; id; id = id->next)
1853 id->sequence = ++sequence_number;
1856 /* Write: `prefix', the names on list LIST, `suffix'. */
1859 write_list (stream, prefix, list)
1866 fprintf (stream, "%sx%d,\n", prefix, list->sequence);
1871 #ifdef COLLECT_EXPORT_LIST
1872 /* This function is really used only on AIX, but may be useful. */
1874 is_in_list (prefix, list)
1880 if (!strcmp (prefix, list->name)) return 1;
1887 /* Added for debugging purpose. */
1888 #ifdef COLLECT_EXPORT_LIST
1890 dump_list (stream, prefix, list)
1897 fprintf (stream, "%s%s,\n", prefix, list->name);
1905 dump_prefix_list (stream, prefix, list)
1908 struct prefix_list *list;
1912 fprintf (stream, "%s%s,\n", prefix, list->prefix);
1919 write_list_with_asm (stream, prefix, list)
1926 fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
1927 prefix, list->sequence, list->name);
1932 /* Write out the constructor and destructor tables statically (for a shared
1933 object), along with the functions to execute them. */
1936 write_c_file_stat (stream, name)
1940 char *prefix, *p, *q;
1941 int frames = (frame_tables.number > 0);
1943 /* Figure out name of output_file, stripping off .so version. */
1944 p = rindex (output_file, '/');
1946 p = (char *) output_file;
1960 if (strncmp (q, ".so", 3) == 0)
1969 /* q points to null at end of the string (or . of the .so version) */
1970 prefix = xmalloc (q - p + 1);
1971 strncpy (prefix, p, q - p);
1973 for (q = prefix; *q; q++)
1974 if (!ISALNUM ((unsigned char)*q))
1977 fprintf (stderr, "\nwrite_c_file - output name is %s, prefix is %s\n",
1978 output_file, prefix);
1980 #define INIT_NAME_FORMAT "_GLOBAL__FI_%s"
1981 initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2);
1982 sprintf (initname, INIT_NAME_FORMAT, prefix);
1984 #define FINI_NAME_FORMAT "_GLOBAL__FD_%s"
1985 fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2);
1986 sprintf (fininame, FINI_NAME_FORMAT, prefix);
1990 /* Write the tables as C code */
1992 fprintf (stream, "static int count;\n");
1993 fprintf (stream, "typedef void entry_pt();\n");
1994 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1998 write_list_with_asm (stream, "extern void *", frame_tables.first);
2000 fprintf (stream, "\tstatic void *frame_table[] = {\n");
2001 write_list (stream, "\t\t&", frame_tables.first);
2002 fprintf (stream, "\t0\n};\n");
2004 /* This must match what's in frame.h. */
2005 fprintf (stream, "struct object {\n");
2006 fprintf (stream, " void *pc_begin;\n");
2007 fprintf (stream, " void *pc_end;\n");
2008 fprintf (stream, " void *fde_begin;\n");
2009 fprintf (stream, " void *fde_array;\n");
2010 fprintf (stream, " __SIZE_TYPE__ count;\n");
2011 fprintf (stream, " struct object *next;\n");
2012 fprintf (stream, "};\n");
2014 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
2015 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
2017 fprintf (stream, "static void reg_frame () {\n");
2018 fprintf (stream, "\tstatic struct object ob;\n");
2019 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
2020 fprintf (stream, "\t}\n");
2022 fprintf (stream, "static void dereg_frame () {\n");
2023 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
2024 fprintf (stream, "\t}\n");
2027 fprintf (stream, "void %s() {\n", initname);
2028 if (constructors.number > 0 || frames)
2030 fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
2031 write_list (stream, "\t\t", constructors.first);
2033 fprintf (stream, "\treg_frame,\n");
2034 fprintf (stream, "\t};\n");
2035 fprintf (stream, "\tentry_pt **p;\n");
2036 fprintf (stream, "\tif (count++ != 0) return;\n");
2037 fprintf (stream, "\tp = ctors + %d;\n", constructors.number + frames);
2038 fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
2041 fprintf (stream, "\t++count;\n");
2042 fprintf (stream, "}\n");
2043 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
2044 fprintf (stream, "void %s() {\n", fininame);
2045 if (destructors.number > 0 || frames)
2047 fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
2048 write_list (stream, "\t\t", destructors.first);
2050 fprintf (stream, "\tdereg_frame,\n");
2051 fprintf (stream, "\t};\n");
2052 fprintf (stream, "\tentry_pt **p;\n");
2053 fprintf (stream, "\tif (--count != 0) return;\n");
2054 fprintf (stream, "\tp = dtors;\n");
2055 fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
2056 destructors.number + frames);
2058 fprintf (stream, "}\n");
2062 fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname);
2063 fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame);
2067 /* Write the constructor/destructor tables. */
2069 #ifndef LD_INIT_SWITCH
2071 write_c_file_glob (stream, name)
2075 /* Write the tables as C code */
2077 int frames = (frame_tables.number > 0);
2079 fprintf (stream, "typedef void entry_pt();\n\n");
2081 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
2085 write_list_with_asm (stream, "extern void *", frame_tables.first);
2087 fprintf (stream, "\tstatic void *frame_table[] = {\n");
2088 write_list (stream, "\t\t&", frame_tables.first);
2089 fprintf (stream, "\t0\n};\n");
2091 /* This must match what's in frame.h. */
2092 fprintf (stream, "struct object {\n");
2093 fprintf (stream, " void *pc_begin;\n");
2094 fprintf (stream, " void *pc_end;\n");
2095 fprintf (stream, " void *fde_begin;\n");
2096 fprintf (stream, " void *fde_array;\n");
2097 fprintf (stream, " __SIZE_TYPE__ count;\n");
2098 fprintf (stream, " struct object *next;\n");
2099 fprintf (stream, "};\n");
2101 fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
2102 fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
2104 fprintf (stream, "static void reg_frame () {\n");
2105 fprintf (stream, "\tstatic struct object ob;\n");
2106 fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
2107 fprintf (stream, "\t}\n");
2109 fprintf (stream, "static void dereg_frame () {\n");
2110 fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
2111 fprintf (stream, "\t}\n");
2114 fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
2115 fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number + frames);
2116 write_list (stream, "\t", constructors.first);
2118 fprintf (stream, "\treg_frame,\n");
2119 fprintf (stream, "\t0\n};\n\n");
2121 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
2123 fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
2124 fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number + frames);
2125 write_list (stream, "\t", destructors.first);
2127 fprintf (stream, "\tdereg_frame,\n");
2128 fprintf (stream, "\t0\n};\n\n");
2130 fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
2131 fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
2133 #endif /* ! LD_INIT_SWITCH */
2136 write_c_file (stream, name)
2140 fprintf (stream, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n");
2141 #ifndef LD_INIT_SWITCH
2143 write_c_file_glob (stream, name);
2146 write_c_file_stat (stream, name);
2147 fprintf (stream, "#ifdef __cplusplus\n}\n#endif\n");
2150 #ifdef COLLECT_EXPORT_LIST
2152 write_export_file (stream)
2155 struct id *list = exports.first;
2156 for (; list; list = list->next)
2157 fprintf (stream, "%s\n", list->name);
2161 write_import_file (stream)
2164 struct id *list = imports.first;
2165 fprintf (stream, "%s\n", "#! .");
2166 for (; list; list = list->next)
2167 fprintf (stream, "%s\n", list->name);
2171 #ifdef OBJECT_FORMAT_NONE
2173 /* Generic version to scan the name list of the loaded program for
2174 the symbols g++ uses for static constructors and destructors.
2176 The constructor table begins at __CTOR_LIST__ and contains a count
2177 of the number of pointers (or -1 if the constructors are built in a
2178 separate section by the linker), followed by the pointers to the
2179 constructor functions, terminated with a null pointer. The
2180 destructor table has the same format, and begins at __DTOR_LIST__. */
2183 scan_prog_file (prog_name, which_pass)
2185 enum pass which_pass;
2187 void (*int_handler) ();
2188 void (*quit_handler) ();
2196 if (which_pass == PASS_SECOND)
2199 /* If we do not have an `nm', complain. */
2200 if (nm_file_name == 0)
2201 fatal ("cannot find `nm'");
2203 nm_argv[argc++] = nm_file_name;
2204 if (NM_FLAGS[0] != '\0')
2205 nm_argv[argc++] = NM_FLAGS;
2207 nm_argv[argc++] = prog_name;
2208 nm_argv[argc++] = (char *) 0;
2210 if (pipe (pipe_fd) < 0)
2211 fatal_perror ("pipe");
2213 inf = fdopen (pipe_fd[0], "r");
2214 if (inf == (FILE *) 0)
2215 fatal_perror ("fdopen");
2217 /* Trace if needed. */
2223 for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2224 fprintf (stderr, " %s", str);
2226 fprintf (stderr, "\n");
2232 /* Spawn child nm on pipe */
2235 fatal_perror (VFORK_STRING);
2237 if (pid == 0) /* child context */
2240 if (dup2 (pipe_fd[1], 1) < 0)
2241 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
2243 if (close (pipe_fd[0]) < 0)
2244 fatal_perror ("close (%d)", pipe_fd[0]);
2246 if (close (pipe_fd[1]) < 0)
2247 fatal_perror ("close (%d)", pipe_fd[1]);
2249 execv (nm_file_name, nm_argv);
2250 fatal_perror ("executing %s", nm_file_name);
2253 /* Parent context from here on. */
2254 int_handler = (void (*) ())signal (SIGINT, SIG_IGN);
2256 quit_handler = (void (*) ())signal (SIGQUIT, SIG_IGN);
2259 if (close (pipe_fd[1]) < 0)
2260 fatal_perror ("close (%d)", pipe_fd[1]);
2263 fprintf (stderr, "\nnm output with constructors/destructors.\n");
2265 /* Read each line of nm output. */
2266 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2271 /* If it contains a constructor or destructor name, add the name
2272 to the appropriate list. */
2274 for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
2275 if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
2282 /* Find the end of the symbol name.
2283 Do not include `|', because Encore nm can tack that on the end. */
2284 for (end = p; (ch2 = *end) != '\0' && !ISSPACE (ch2) && ch2 != '|';
2290 switch (is_ctor_dtor (name))
2293 if (which_pass != PASS_LIB)
2294 add_to_list (&constructors, name);
2298 if (which_pass != PASS_LIB)
2299 add_to_list (&destructors, name);
2303 if (which_pass != PASS_LIB)
2304 fatal ("init function found in object %s", prog_name);
2305 #ifndef LD_INIT_SWITCH
2306 add_to_list (&constructors, name);
2311 if (which_pass != PASS_LIB)
2312 fatal ("fini function found in object %s", prog_name);
2313 #ifndef LD_FINI_SWITCH
2314 add_to_list (&destructors, name);
2319 if (which_pass != PASS_LIB)
2320 add_to_list (&frame_tables, name);
2322 default: /* not a constructor or destructor */
2327 fprintf (stderr, "\t%s\n", buf);
2331 fprintf (stderr, "\n");
2333 if (fclose (inf) != 0)
2334 fatal_perror ("fclose of pipe");
2336 do_wait (nm_file_name);
2338 signal (SIGINT, int_handler);
2340 signal (SIGQUIT, quit_handler);
2344 #if SUNOS4_SHARED_LIBRARIES
2346 /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
2347 that the output file depends upon and their initialization/finalization
2348 routines, if any. */
2353 #include <sys/mman.h>
2354 #include <sys/param.h>
2356 #include <sys/dir.h>
2358 /* pointers to the object file */
2359 unsigned object; /* address of memory mapped file */
2360 unsigned objsize; /* size of memory mapped to file */
2361 char * code; /* pointer to code segment */
2362 char * data; /* pointer to data segment */
2363 struct nlist *symtab; /* pointer to symbol table */
2364 struct link_dynamic *ld;
2365 struct link_dynamic_2 *ld_2;
2366 struct head libraries;
2368 /* Map the file indicated by NAME into memory and store its address. */
2376 if ((fp = open (name, O_RDONLY)) == -1)
2377 fatal ("unable to open file '%s'", name);
2378 if (fstat (fp, &s) == -1)
2379 fatal ("unable to stat file '%s'", name);
2381 objsize = s.st_size;
2382 object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
2385 fatal ("unable to mmap file '%s'", name);
2390 /* Helpers for locatelib. */
2392 static char *libname;
2398 return (strncmp (libname, d->d_name, strlen (libname)) == 0);
2401 /* If one file has an additional numeric extension past LIBNAME, then put
2402 that one first in the sort. If both files have additional numeric
2403 extensions, then put the one with the higher number first in the sort.
2405 We must verify that the extension is numeric, because Sun saves the
2406 original versions of patched libraries with a .FCS extension. Files with
2407 invalid extensions must go last in the sort, so that they will not be used. */
2411 struct direct **d1, **d2;
2413 int i1, i2 = strlen (libname);
2414 char *e1 = (*d1)->d_name + i2;
2415 char *e2 = (*d2)->d_name + i2;
2417 while (*e1 && *e2 && *e1 == '.' && *e2 == '.'
2418 && e1[1] && ISDIGIT (e1[1]) && e2[1] && ISDIGIT (e2[1]))
2422 i1 = strtol (e1, &e1, 10);
2423 i2 = strtol (e2, &e2, 10);
2430 /* It has a valid numeric extension, prefer this one. */
2431 if (*e1 == '.' && e1[1] && ISDIGIT (e1[1]))
2433 /* It has a invalid numeric extension, must prefer the other one. */
2439 /* It has a valid numeric extension, prefer this one. */
2440 if (*e2 == '.' && e2[1] && ISDIGIT (e2[1]))
2442 /* It has a invalid numeric extension, must prefer the other one. */
2450 /* Given the name NAME of a dynamic dependency, find its pathname and add
2451 it to the list of libraries. */
2459 char buf[MAXPATHLEN];
2467 /* counting elements in array, need 1 extra for null */
2469 ld_rules = (char *) (ld_2->ld_rules + code);
2473 for (; *ld_rules != 0; ld_rules++)
2474 if (*ld_rules == ':')
2476 ld_rules = (char *) (ld_2->ld_rules + code);
2477 ldr = (char *) malloc (strlen (ld_rules) + 1);
2478 strcpy (ldr, ld_rules);
2480 p = getenv ("LD_LIBRARY_PATH");
2485 for (q = p ; *q != 0; q++)
2488 q = (char *) malloc (strlen (p) + 1);
2491 l = (char **) malloc ((cnt + 3) * sizeof (char *));
2496 for (; *ldr != 0; ldr++)
2506 for (; *q != 0; q++)
2513 /* built in directories are /lib, /usr/lib, and /usr/local/lib */
2516 *pp++ = "/usr/local/lib";
2520 for (pp = l; *pp != 0 ; pp++)
2522 struct direct **namelist;
2524 if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
2526 sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
2527 add_to_list (&libraries, buf);
2529 fprintf (stderr, "%s\n", buf);
2536 fprintf (stderr, "not found\n");
2538 fatal ("dynamic dependency %s not found", name);
2542 /* Scan the _DYNAMIC structure of the output file to find shared libraries
2543 that it depends upon and any constructors or destructors they contain. */
2546 scan_libraries (prog_name)
2549 struct exec *header;
2551 struct link_object *lo;
2552 char buff[MAXPATHLEN];
2555 mapfile (prog_name);
2556 header = (struct exec *)object;
2557 if (N_BADMAG (*header))
2558 fatal ("bad magic number in file '%s'", prog_name);
2559 if (header->a_dynamic == 0)
2562 code = (char *) (N_TXTOFF (*header) + (long) header);
2563 data = (char *) (N_DATOFF (*header) + (long) header);
2564 symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
2566 if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
2569 ld = (struct link_dynamic *) (symtab->n_value + code);
2575 ld = (struct link_dynamic *) data;
2580 fprintf (stderr, "dynamic dependencies.\n");
2582 ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
2583 for (lo = (struct link_object *) ld_2->ld_need; lo;
2584 lo = (struct link_object *) lo->lo_next)
2587 lo = (struct link_object *) ((long) lo + code);
2588 name = (char *) (code + lo->lo_name);
2592 fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
2593 sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
2599 fprintf (stderr, "\t%s\n", name);
2600 add_to_list (&libraries, name);
2605 fprintf (stderr, "\n");
2607 /* now iterate through the library list adding their symbols to
2609 for (list = libraries.first; list; list = list->next)
2610 scan_prog_file (list->name, PASS_LIB);
2613 #else /* SUNOS4_SHARED_LIBRARIES */
2616 /* Use the List Dynamic Dependencies program to find shared libraries that
2617 the output file depends upon and their initialization/finalization
2618 routines, if any. */
2621 scan_libraries (prog_name)
2624 static struct head libraries; /* list of shared libraries found */
2626 void (*int_handler) ();
2627 void (*quit_handler) ();
2635 /* If we do not have an `ldd', complain. */
2636 if (ldd_file_name == 0)
2638 error ("cannot find `ldd'");
2642 ldd_argv[argc++] = ldd_file_name;
2643 ldd_argv[argc++] = prog_name;
2644 ldd_argv[argc++] = (char *) 0;
2646 if (pipe (pipe_fd) < 0)
2647 fatal_perror ("pipe");
2649 inf = fdopen (pipe_fd[0], "r");
2650 if (inf == (FILE *) 0)
2651 fatal_perror ("fdopen");
2653 /* Trace if needed. */
2659 for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2660 fprintf (stderr, " %s", str);
2662 fprintf (stderr, "\n");
2668 /* Spawn child ldd on pipe */
2671 fatal_perror (VFORK_STRING);
2673 if (pid == 0) /* child context */
2676 if (dup2 (pipe_fd[1], 1) < 0)
2677 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
2679 if (close (pipe_fd[0]) < 0)
2680 fatal_perror ("close (%d)", pipe_fd[0]);
2682 if (close (pipe_fd[1]) < 0)
2683 fatal_perror ("close (%d)", pipe_fd[1]);
2685 execv (ldd_file_name, ldd_argv);
2686 fatal_perror ("executing %s", ldd_file_name);
2689 /* Parent context from here on. */
2690 int_handler = (void (*) ()) signal (SIGINT, SIG_IGN);
2692 quit_handler = (void (*) ()) signal (SIGQUIT, SIG_IGN);
2695 if (close (pipe_fd[1]) < 0)
2696 fatal_perror ("close (%d)", pipe_fd[1]);
2699 fprintf (stderr, "\nldd output with constructors/destructors.\n");
2701 /* Read each line of ldd output. */
2702 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2705 char *name, *end, *p = buf;
2707 /* Extract names of libraries and add to list. */
2708 PARSE_LDD_OUTPUT (p);
2713 if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
2714 fatal ("dynamic dependency %s not found", buf);
2716 /* Find the end of the symbol name. */
2718 (ch2 = *end) != '\0' && ch2 != '\n' && !ISSPACE (ch2) && ch2 != '|';
2723 if (access (name, R_OK) == 0)
2724 add_to_list (&libraries, name);
2726 fatal ("unable to open dynamic dependency '%s'", buf);
2729 fprintf (stderr, "\t%s\n", buf);
2732 fprintf (stderr, "\n");
2734 if (fclose (inf) != 0)
2735 fatal_perror ("fclose of pipe");
2737 do_wait (ldd_file_name);
2739 signal (SIGINT, int_handler);
2741 signal (SIGQUIT, quit_handler);
2744 /* now iterate through the library list adding their symbols to
2746 for (list = libraries.first; list; list = list->next)
2747 scan_prog_file (list->name, PASS_LIB);
2750 #endif /* LDD_SUFFIX */
2751 #endif /* SUNOS4_SHARED_LIBRARIES */
2753 #endif /* OBJECT_FORMAT_NONE */
2757 * COFF specific stuff.
2760 #ifdef OBJECT_FORMAT_COFF
2762 #if defined(EXTENDED_COFF)
2763 # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
2764 # define GCC_SYMENT SYMR
2765 # define GCC_OK_SYMBOL(X) ((X).st == stProc && (X).sc == scText)
2766 # define GCC_SYMINC(X) (1)
2767 # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
2768 # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
2770 # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
2771 # define GCC_SYMENT SYMENT
2772 # define GCC_OK_SYMBOL(X) \
2773 (((X).n_sclass == C_EXT) && \
2774 ((X).n_scnum > N_UNDEF) && \
2775 (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) || \
2776 ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT)))
2777 # define GCC_UNDEF_SYMBOL(X) \
2778 (((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
2779 # define GCC_SYMINC(X) ((X).n_numaux+1)
2780 # define GCC_SYMZERO(X) 0
2781 # define GCC_CHECK_HDR(X) \
2782 ((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
2783 || (HEADER (X).f_magic == 0757 && aix64_flag))
2786 extern char *ldgetname ();
2788 /* COFF version to scan the name list of the loaded program for
2789 the symbols g++ uses for static constructors and destructors.
2791 The constructor table begins at __CTOR_LIST__ and contains a count
2792 of the number of pointers (or -1 if the constructors are built in a
2793 separate section by the linker), followed by the pointers to the
2794 constructor functions, terminated with a null pointer. The
2795 destructor table has the same format, and begins at __DTOR_LIST__. */
2798 scan_prog_file (prog_name, which_pass)
2800 enum pass which_pass;
2802 LDFILE *ldptr = NULL;
2803 int sym_index, sym_count;
2805 #ifdef COLLECT_EXPORT_LIST
2806 /* Should we generate an import list for given prog_name? */
2807 int import_flag = (which_pass == PASS_OBJ ? 0 : use_import_list (prog_name));
2810 if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
2813 #ifdef COLLECT_EXPORT_LIST
2814 /* We do not need scanning for some standard C libraries. */
2815 if (which_pass == PASS_FIRST && ignore_library (prog_name))
2818 /* On AIX we have a loop, because there is not much difference
2819 between an object and an archive. This trick allows us to
2820 eliminate scan_libraries() function. */
2824 if ((ldptr = ldopen (prog_name, ldptr)) != NULL)
2826 if (! MY_ISCOFF (HEADER (ldptr).f_magic))
2827 fatal ("%s: not a COFF file", prog_name);
2829 if (GCC_CHECK_HDR (ldptr))
2831 sym_count = GCC_SYMBOLS (ldptr);
2832 sym_index = GCC_SYMZERO (ldptr);
2834 #ifdef COLLECT_EXPORT_LIST
2835 /* Is current archive member a shared object? */
2836 is_shared = HEADER (ldptr).f_flags & F_SHROBJ;
2839 while (sym_index < sym_count)
2843 if (ldtbread (ldptr, sym_index, &symbol) <= 0)
2845 sym_index += GCC_SYMINC (symbol);
2847 if (GCC_OK_SYMBOL (symbol))
2851 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2852 continue; /* should never happen */
2854 #ifdef XCOFF_DEBUGGING_INFO
2855 /* All AIX function names have a duplicate entry
2856 beginning with a dot. */
2861 switch (is_ctor_dtor (name))
2864 if (! is_shared) add_to_list (&constructors, name);
2865 #ifdef COLLECT_EXPORT_LIST
2866 if (which_pass == PASS_OBJ)
2867 add_to_list (&exports, name);
2868 /* If this symbol was undefined and we are building
2869 an import list, we should add a symbol to this
2873 && is_in_list (name, undefined.first))
2874 add_to_list (&imports, name);
2879 if (! is_shared) add_to_list (&destructors, name);
2880 #ifdef COLLECT_EXPORT_LIST
2881 if (which_pass == PASS_OBJ)
2882 add_to_list (&exports, name);
2883 /* If this symbol was undefined and we are building
2884 an import list, we should add a symbol to this
2888 && is_in_list (name, undefined.first))
2889 add_to_list (&imports, name);
2893 #ifdef COLLECT_EXPORT_LIST
2896 add_to_list (&constructors, name);
2901 add_to_list (&destructors, name);
2905 default: /* not a constructor or destructor */
2906 #ifdef COLLECT_EXPORT_LIST
2907 /* If we are building a shared object on AIX we need
2908 to explicitly export all global symbols or add
2909 them to import list. */
2912 if (which_pass == PASS_OBJ && (! export_flag))
2913 add_to_list (&exports, name);
2914 else if (! is_shared && which_pass == PASS_FIRST
2916 && is_in_list(name, undefined.first))
2917 add_to_list (&imports, name);
2923 #if !defined(EXTENDED_COFF)
2925 fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
2926 symbol.n_scnum, symbol.n_sclass,
2927 (symbol.n_type ? "0" : ""), symbol.n_type,
2932 "\tiss = %5d, value = %5ld, index = %5d, name = %s\n",
2933 symbol.iss, (long) symbol.value, symbol.index, name);
2936 #ifdef COLLECT_EXPORT_LIST
2937 /* If we are building a shared object we should collect
2938 information about undefined symbols for later
2939 import list generation. */
2940 else if (shared_obj && GCC_UNDEF_SYMBOL (symbol))
2944 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2945 continue; /* should never happen */
2947 /* All AIX function names have a duplicate entry
2948 beginning with a dot. */
2951 add_to_list (&undefined, name);
2956 #ifdef COLLECT_EXPORT_LIST
2959 /* If archive contains both 32-bit and 64-bit objects,
2960 we want to skip objects in other mode so mismatch normal. */
2962 fprintf (stderr, "%s : magic=%o aix64=%d mismatch\n",
2963 prog_name, HEADER (ldptr).f_magic, aix64_flag);
2969 fatal ("%s: cannot open as COFF file", prog_name);
2971 #ifdef COLLECT_EXPORT_LIST
2972 /* On AIX loop continues while there are more members in archive. */
2974 while (ldclose (ldptr) == FAILURE);
2976 /* Otherwise we simply close ldptr. */
2977 (void) ldclose(ldptr);
2982 #ifdef COLLECT_EXPORT_LIST
2984 /* This new function is used to decide whether we should
2985 generate import list for an object or to use it directly. */
2987 use_import_list (prog_name)
2992 /* If we do not build a shared object then import list should not be used. */
2993 if (! shared_obj) return 0;
2995 /* Currently we check only for libgcc, but this can be changed in future. */
2996 p = strstr (prog_name, "libgcc.a");
2997 if (p != 0 && (strlen (p) == sizeof ("libgcc.a") - 1))
3002 /* Given a library name without "lib" prefix, this function
3003 returns a full library name including a path. */
3005 resolve_lib_name (name)
3011 for (i = 0; libpaths[i]; i++)
3012 if (libpaths[i]->max_len > l)
3013 l = libpaths[i]->max_len;
3015 lib_buf = xmalloc (l + strlen(name) + 10);
3017 for (i = 0; libpaths[i]; i++)
3019 struct prefix_list *list = libpaths[i]->plist;
3020 for (; list; list = list->next)
3022 for (j = 0; libexts[j]; j++)
3024 /* The following lines are needed because path_prefix list
3025 may contain directories both with trailing '/' and
3028 if (list->prefix[strlen(list->prefix)-1] != '/')
3030 sprintf (lib_buf, "%s%slib%s.%s",
3031 list->prefix, p, name, libexts[j]);
3032 if (debug) fprintf (stderr, "searching for: %s\n", lib_buf);
3033 if (file_exists (lib_buf))
3035 if (debug) fprintf (stderr, "found: %s\n", lib_buf);
3042 fprintf (stderr, "not found\n");
3044 fatal ("Library lib%s not found", name);
3048 /* Array of standard AIX libraries which should not
3049 be scanned for ctors/dtors. */
3050 static char* aix_std_libs[] = {
3055 "/usr/lib/libc_r.a",
3056 "/usr/lib/threads/libc.a",
3057 "/usr/ccs/lib/libc.a",
3058 "/usr/ccs/lib/libc_r.a",
3062 /* This function checks the filename and returns 1
3063 if this name matches the location of a standard AIX library. */
3065 ignore_library (name)
3068 char **p = &aix_std_libs[0];
3069 while (*p++ != NULL)
3070 if (! strcmp (name, *p)) return 1;
3076 #endif /* OBJECT_FORMAT_COFF */
3080 * OSF/rose specific stuff.
3083 #ifdef OBJECT_FORMAT_ROSE
3085 /* Union of the various load commands */
3087 typedef union load_union
3089 ldc_header_t hdr; /* common header */
3090 load_cmd_map_command_t map; /* map indexing other load cmds */
3091 interpreter_command_t iprtr; /* interpreter pathname */
3092 strings_command_t str; /* load commands strings section */
3093 region_command_t region; /* region load command */
3094 reloc_command_t reloc; /* relocation section */
3095 package_command_t pkg; /* package load command */
3096 symbols_command_t sym; /* symbol sections */
3097 entry_command_t ent; /* program start section */
3098 gen_info_command_t info; /* object information */
3099 func_table_command_t func; /* function constructors/destructors */
3102 /* Structure to point to load command and data section in memory. */
3104 typedef struct load_all
3106 load_union_t *load; /* load command */
3107 char *section; /* pointer to section */
3110 /* Structure to contain information about a file mapped into memory. */
3114 char *start; /* start of map */
3115 char *name; /* filename */
3116 long size; /* size of the file */
3117 long rounded_size; /* size rounded to page boundary */
3118 int fd; /* file descriptor */
3119 int rw; /* != 0 if opened read/write */
3120 int use_mmap; /* != 0 if mmap'ed */
3123 extern int decode_mach_o_hdr ();
3124 extern int encode_mach_o_hdr ();
3126 static void add_func_table PROTO((mo_header_t *, load_all_t *,
3127 symbol_info_t *, int));
3128 static void print_header PROTO((mo_header_t *));
3129 static void print_load_command PROTO((load_union_t *, size_t, int));
3130 static void bad_header PROTO((int));
3131 static struct file_info *read_file PROTO((char *, int, int));
3132 static void end_file PROTO((struct file_info *));
3134 /* OSF/rose specific version to scan the name list of the loaded
3135 program for the symbols g++ uses for static constructors and
3138 The constructor table begins at __CTOR_LIST__ and contains a count
3139 of the number of pointers (or -1 if the constructors are built in a
3140 separate section by the linker), followed by the pointers to the
3141 constructor functions, terminated with a null pointer. The
3142 destructor table has the same format, and begins at __DTOR_LIST__. */
3145 scan_prog_file (prog_name, which_pass)
3147 enum pass which_pass;
3151 load_all_t *load_array;
3152 load_all_t *load_end;
3153 load_all_t *load_cmd;
3154 int symbol_load_cmds;
3160 struct file_info *obj_file;
3162 mo_lcid_t cmd_strings = -1;
3163 symbol_info_t *main_sym = 0;
3164 int rw = (which_pass != PASS_FIRST);
3166 prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
3168 fatal_perror ("cannot read %s", prog_name);
3170 obj_file = read_file (prog_name, prog_fd, rw);
3171 obj = obj_file->start;
3173 status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
3174 if (status != MO_HDR_CONV_SUCCESS)
3175 bad_header (status);
3178 /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
3179 since the hardware will automatically swap bytes for us on loading little endian
3182 #ifndef CROSS_COMPILE
3183 if (hdr.moh_magic != MOH_MAGIC_MSB
3184 || hdr.moh_header_version != MOH_HEADER_VERSION
3185 || hdr.moh_byte_order != OUR_BYTE_ORDER
3186 || hdr.moh_data_rep_id != OUR_DATA_REP_ID
3187 || hdr.moh_cpu_type != OUR_CPU_TYPE
3188 || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
3189 || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
3191 fatal ("incompatibilities between object file & expected values");
3196 print_header (&hdr);
3198 offset = hdr.moh_first_cmd_off;
3199 load_end = load_array
3200 = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
3202 /* Build array of load commands, calculating the offsets */
3203 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3205 load_union_t *load_hdr; /* load command header */
3207 load_cmd = load_end++;
3208 load_hdr = (load_union_t *) (obj + offset);
3210 /* If modifying the program file, copy the header. */
3213 load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
3214 bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size);
3217 /* null out old command map, because we will rewrite at the end. */
3218 if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
3220 cmd_strings = ptr->map.lcm_ld_cmd_strings;
3221 ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
3225 load_cmd->load = load_hdr;
3226 if (load_hdr->hdr.ldci_section_off > 0)
3227 load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
3230 print_load_command (load_hdr, offset, i);
3232 offset += load_hdr->hdr.ldci_cmd_size;
3235 /* If the last command is the load command map and is not undefined,
3236 decrement the count of load commands. */
3237 if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
3240 hdr.moh_n_load_cmds--;
3243 /* Go through and process each symbol table section. */
3244 symbol_load_cmds = 0;
3245 for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
3247 load_union_t *load_hdr = load_cmd->load;
3249 if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
3255 char *kind = "unknown";
3257 switch (load_hdr->sym.symc_kind)
3259 case SYMC_IMPORTS: kind = "imports"; break;
3260 case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
3261 case SYMC_STABS: kind = "stabs"; break;
3264 fprintf (stderr, "\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
3265 symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
3268 if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
3271 str_sect = load_array[load_hdr->sym.symc_strings_section].section;
3272 if (str_sect == (char *) 0)
3273 fatal ("string section missing");
3275 if (load_cmd->section == (char *) 0)
3276 fatal ("section pointer missing");
3278 num_syms = load_hdr->sym.symc_nentries;
3279 for (i = 0; i < num_syms; i++)
3281 symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
3282 char *name = sym->si_name.symbol_name + str_sect;
3289 char *n = name + strlen (name) - strlen (NAME__MAIN);
3291 if ((n - name) < 0 || strcmp (n, NAME__MAIN))
3301 switch (is_ctor_dtor (name))
3304 add_to_list (&constructors, name);
3308 add_to_list (&destructors, name);
3311 default: /* not a constructor or destructor */
3317 fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
3318 sym->si_type, sym->si_sc_type, sym->si_flags, name);
3323 if (symbol_load_cmds == 0)
3324 fatal ("no symbol table found");
3326 /* Update the program file now, rewrite header and load commands. At present,
3327 we assume that there is enough space after the last load command to insert
3328 one more. Since the first section written out is page aligned, and the
3329 number of load commands is small, this is ok for the present. */
3333 load_union_t *load_map;
3336 if (cmd_strings == -1)
3337 fatal ("no cmd_strings found");
3339 /* Add __main to initializer list.
3340 If we are building a program instead of a shared library, do not
3341 do anything, since in the current version, you cannot do mallocs
3342 and such in the constructors. */
3344 if (main_sym != (symbol_info_t *) 0
3345 && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
3346 add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
3349 fprintf (stderr, "\nUpdating header and load commands.\n\n");
3351 hdr.moh_n_load_cmds++;
3352 size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
3354 /* Create new load command map. */
3356 fprintf (stderr, "load command map, %d cmds, new size %ld.\n",
3357 (int)hdr.moh_n_load_cmds, (long)size);
3359 load_map = (load_union_t *) xcalloc (1, size);
3360 load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
3361 load_map->map.ldc_header.ldci_cmd_size = size;
3362 load_map->map.lcm_ld_cmd_strings = cmd_strings;
3363 load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
3364 load_array[hdr.moh_n_load_cmds-1].load = load_map;
3366 offset = hdr.moh_first_cmd_off;
3367 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3369 load_map->map.lcm_map[i] = offset;
3370 if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
3371 hdr.moh_load_map_cmd_off = offset;
3373 offset += load_array[i].load->hdr.ldci_cmd_size;
3376 hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
3379 print_header (&hdr);
3382 status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
3383 if (status != MO_HDR_CONV_SUCCESS)
3384 bad_header (status);
3387 fprintf (stderr, "writing load commands.\n\n");
3389 /* Write load commands */
3390 offset = hdr.moh_first_cmd_off;
3391 for (i = 0; i < hdr.moh_n_load_cmds; i++)
3393 load_union_t *load_hdr = load_array[i].load;
3394 size_t size = load_hdr->hdr.ldci_cmd_size;
3397 print_load_command (load_hdr, offset, i);
3399 bcopy ((char *) load_hdr, (char *) (obj + offset), size);
3404 end_file (obj_file);
3406 if (close (prog_fd))
3407 fatal_perror ("closing %s", prog_name);
3410 fprintf (stderr, "\n");
3414 /* Add a function table to the load commands to call a function
3415 on initiation or termination of the process. */
3418 add_func_table (hdr_p, load_array, sym, type)
3419 mo_header_t *hdr_p; /* pointer to global header */
3420 load_all_t *load_array; /* array of ptrs to load cmds */
3421 symbol_info_t *sym; /* pointer to symbol entry */
3422 int type; /* fntc_type value */
3424 /* Add a new load command. */
3425 int num_cmds = ++hdr_p->moh_n_load_cmds;
3426 int load_index = num_cmds - 1;
3427 size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
3428 load_union_t *ptr = xcalloc (1, size);
3429 load_all_t *load_cmd;
3432 /* Set the unresolved address bit in the header to force the loader to be
3433 used, since kernel exec does not call the initialization functions. */
3434 hdr_p->moh_flags |= MOH_UNRESOLVED_F;
3436 load_cmd = &load_array[load_index];
3437 load_cmd->load = ptr;
3438 load_cmd->section = (char *) 0;
3440 /* Fill in func table load command. */
3441 ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
3442 ptr->func.ldc_header.ldci_cmd_size = size;
3443 ptr->func.ldc_header.ldci_section_off = 0;
3444 ptr->func.ldc_header.ldci_section_len = 0;
3445 ptr->func.fntc_type = type;
3446 ptr->func.fntc_nentries = 1;
3448 /* copy address, turn it from abs. address to (region,offset) if necessary. */
3449 /* Is the symbol already expressed as (region, offset)? */
3450 if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
3452 ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
3453 ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
3456 /* If not, figure out which region it's in. */
3459 mo_vm_addr_t addr = sym->si_value.abs_val;
3462 for (i = 0; i < load_index; i++)
3464 if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
3466 region_command_t *region_ptr = &load_array[i].load->region;
3468 if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
3469 && addr >= region_ptr->regc_addr.vm_addr
3470 && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
3472 ptr->func.fntc_entry_loc[0].adr_lcid = i;
3473 ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
3481 fatal ("could not convert 0x%l.8x into a region", addr);
3486 "%s function, region %d, offset = %ld (0x%.8lx)\n",
3487 (type == FNTC_INITIALIZATION) ? "init" : "term",
3488 (int)ptr->func.fntc_entry_loc[i].adr_lcid,
3489 (long)ptr->func.fntc_entry_loc[i].adr_sctoff,
3490 (long)ptr->func.fntc_entry_loc[i].adr_sctoff);
3495 /* Print the global header for an OSF/rose object. */
3498 print_header (hdr_ptr)
3499 mo_header_t *hdr_ptr;
3501 fprintf (stderr, "\nglobal header:\n");
3502 fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
3503 fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
3504 fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
3505 fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
3506 fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
3507 fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
3508 fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
3509 fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
3510 fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
3511 fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
3512 fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
3513 fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
3514 fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
3515 fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
3516 fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
3518 if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
3519 fprintf (stderr, ", relocatable");
3521 if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
3522 fprintf (stderr, ", linkable");
3524 if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
3525 fprintf (stderr, ", execable");
3527 if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
3528 fprintf (stderr, ", executable");
3530 if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
3531 fprintf (stderr, ", unresolved");
3533 fprintf (stderr, "\n\n");
3538 /* Print a short summary of a load command. */
3541 print_load_command (load_hdr, offset, number)
3542 load_union_t *load_hdr;
3546 mo_long_t type = load_hdr->hdr.ldci_cmd_type;
3547 char *type_str = (char *) 0;
3551 case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
3552 case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
3553 case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
3554 case LDC_STRINGS: type_str = "STRINGS"; break;
3555 case LDC_REGION: type_str = "REGION"; break;
3556 case LDC_RELOC: type_str = "RELOC"; break;
3557 case LDC_PACKAGE: type_str = "PACKAGE"; break;
3558 case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
3559 case LDC_ENTRY: type_str = "ENTRY"; break;
3560 case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
3561 case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
3565 "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
3567 (long) load_hdr->hdr.ldci_cmd_size,
3569 (long) load_hdr->hdr.ldci_section_off,
3570 (long) load_hdr->hdr.ldci_section_len);
3572 if (type_str == (char *) 0)
3573 fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
3575 else if (type != LDC_REGION)
3576 fprintf (stderr, ", ty: %s\n", type_str);
3581 switch (load_hdr->region.regc_usage_type)
3583 case REG_TEXT_T: region = ", .text"; break;
3584 case REG_DATA_T: region = ", .data"; break;
3585 case REG_BSS_T: region = ", .bss"; break;
3586 case REG_GLUE_T: region = ", .glue"; break;
3587 #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
3588 case REG_RDATA_T: region = ", .rdata"; break;
3589 case REG_SDATA_T: region = ", .sdata"; break;
3590 case REG_SBSS_T: region = ", .sbss"; break;
3594 fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
3596 (long) load_hdr->region.regc_vm_addr,
3597 (long) load_hdr->region.regc_vm_size,
3605 /* Fatal error when {en,de}code_mach_o_header fails. */
3611 char *msg = (char *) 0;
3615 case MO_ERROR_BAD_MAGIC: msg = "bad magic number"; break;
3616 case MO_ERROR_BAD_HDR_VERS: msg = "bad header version"; break;
3617 case MO_ERROR_BAD_RAW_HDR_VERS: msg = "bad raw header version"; break;
3618 case MO_ERROR_BUF2SML: msg = "raw header buffer too small"; break;
3619 case MO_ERROR_OLD_RAW_HDR_FILE: msg = "old raw header file"; break;
3620 case MO_ERROR_UNSUPPORTED_VERS: msg = "unsupported version"; break;
3623 if (msg == (char *) 0)
3624 fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
3630 /* Read a file into a memory buffer. */
3632 static struct file_info *
3633 read_file (name, fd, rw)
3634 char *name; /* filename */
3635 int fd; /* file descriptor */
3636 int rw; /* read/write */
3638 struct stat stat_pkt;
3639 struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
3641 static int page_size;
3644 if (fstat (fd, &stat_pkt) < 0)
3645 fatal_perror ("fstat %s", name);
3648 p->size = stat_pkt.st_size;
3649 p->rounded_size = stat_pkt.st_size;
3655 fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
3658 page_size = sysconf (_SC_PAGE_SIZE);
3660 p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
3661 p->start = mmap ((caddr_t) 0,
3662 (rw) ? p->rounded_size : p->size,
3663 (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
3664 MAP_FILE | MAP_VARIABLE | MAP_SHARED,
3668 if (p->start != (char *) 0 && p->start != (char *) -1)
3672 #endif /* USE_MMAP */
3677 fprintf (stderr, "read %s\n", name);
3680 p->start = xmalloc (p->size);
3681 if (lseek (fd, 0L, SEEK_SET) < 0)
3682 fatal_perror ("lseek to 0 on %s", name);
3684 len = read (fd, p->start, p->size);
3686 fatal_perror ("read %s", name);
3689 fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
3695 /* Do anything necessary to write a file back from memory. */
3699 struct file_info *ptr; /* file information block */
3707 fprintf (stderr, "msync %s\n", ptr->name);
3709 if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
3710 fatal_perror ("msync %s", ptr->name);
3714 fprintf (stderr, "munmap %s\n", ptr->name);
3716 if (munmap (ptr->start, ptr->size))
3717 fatal_perror ("munmap %s", ptr->name);
3720 #endif /* USE_MMAP */
3727 fprintf (stderr, "write %s\n", ptr->name);
3729 if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
3730 fatal_perror ("lseek to 0 on %s", ptr->name);
3732 len = write (ptr->fd, ptr->start, ptr->size);
3734 fatal_perror ("write %s", ptr->name);
3736 if (len != ptr->size)
3737 fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
3746 #endif /* OBJECT_FORMAT_ROSE */