1 /* Collect static initialization info into data structures
2 that can be traversed by C++ initialization and finalization
5 Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
6 Contributed by Chris Smith (csmith@convex.com).
7 Heavily modified by Michael Meissner (meissner@cygnus.com),
8 Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
10 This file is part of GNU CC.
12 GNU CC is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2, or (at your option)
17 GNU CC is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with GNU CC; see the file COPYING. If not, write to
24 the Free Software Foundation, 59 Temple Place - Suite 330,
25 Boston, MA 02111-1307, USA. */
28 /* Build tables of static constructors and destructors and run ld. */
31 #include <sys/types.h>
53 extern const char *const sys_errlist[];
55 extern char *sys_errlist[];
62 /* Obstack allocation and deallocation routines. */
63 #define obstack_chunk_alloc xmalloc
64 #define obstack_chunk_free free
66 #if !defined (__STDC__) && !defined (const)
74 /* Add prototype support. */
76 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
77 #define PROTO(ARGS) ARGS
79 #define PROTO(ARGS) ()
90 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
93 #define WTERMSIG(S) ((S) & 0x7f)
96 #define WIFEXITED(S) (((S) & 0xff) == 0)
99 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
102 /* On MSDOS, write temp files in current dir
103 because there's no place else we can expect to use. */
106 #define P_tmpdir "./"
110 /* On certain systems, we have code that works by scanning the object file
111 directly. But this code uses system-specific header files and library
112 functions, so turn it off in a cross-compiler. Likewise, the names of
113 the utilities aren't correct for a cross-compiler; we have to hope that
114 cross-versions are in the proper directories. */
117 #undef SUNOS4_SHARED_LIBRARIES
118 #undef OBJECT_FORMAT_COFF
119 #undef OBJECT_FORMAT_ROSE
120 #undef MD_EXEC_PREFIX
121 #undef REAL_LD_FILE_NAME
122 #undef REAL_NM_FILE_NAME
123 #undef REAL_STRIP_FILE_NAME
126 /* If we can't use a special method, use the ordinary one:
127 run nm to find what symbols are present.
128 In a cross-compiler, this means you need a cross nm,
129 but that isn't quite as unpleasant as special headers. */
131 #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
132 #define OBJECT_FORMAT_NONE
135 #ifdef OBJECT_FORMAT_COFF
144 /* Many versions of ldfcn.h define these. */
152 /* Some systems have an ISCOFF macro, but others do not. In some cases
153 the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
154 that either do not have an ISCOFF macro in /usr/include or for those
155 where it is wrong. */
158 #define MY_ISCOFF(X) ISCOFF (X)
161 #endif /* OBJECT_FORMAT_COFF */
163 #ifdef OBJECT_FORMAT_ROSE
170 #include <sys/mman.h>
174 #include <mach_o_format.h>
175 #include <mach_o_header.h>
176 #include <mach_o_vals.h>
177 #include <mach_o_types.h>
179 #endif /* OBJECT_FORMAT_ROSE */
181 #ifdef OBJECT_FORMAT_NONE
183 /* Default flags to pass to nm. */
185 #define NM_FLAGS "-p"
188 #endif /* OBJECT_FORMAT_NONE */
190 /* Some systems use __main in a way incompatible with its use in gcc, in these
191 cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
192 give the same symbol without quotes for an alternative entry point. You
193 must define both, or neither. */
195 #define NAME__MAIN "__main"
196 #define SYMBOL__MAIN __main
199 #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
200 #define SCAN_LIBRARIES
204 int do_collecting = 1;
206 int do_collecting = 0;
209 /* Linked lists of constructor and destructor names. */
225 /* Enumeration giving which pass this is for scanning the program file. */
228 PASS_FIRST, /* without constructors */
229 PASS_OBJ, /* individual objects */
230 PASS_LIB, /* looking for shared libraries */
231 PASS_SECOND /* with constructors linked in */
234 #ifndef NO_SYS_SIGLIST
235 #ifndef DONT_DECLARE_SYS_SIGLIST
236 extern char *sys_siglist[];
239 extern char *version_string;
241 int vflag; /* true if -v */
242 static int rflag; /* true if -r */
243 static int strip_flag; /* true if -s */
245 int debug; /* true if -debug */
247 static int shared_obj; /* true if -shared */
249 static int temp_filename_length; /* Length of temp_filename */
250 static char *temp_filename; /* Base of temp filenames */
251 static char *c_file; /* <xxx>.c for constructor/destructor list. */
252 static char *o_file; /* <xxx>.o for constructor/destructor list. */
253 static char *export_file; /* <xxx>.x for AIX export list. */
254 static int auto_export = 1; /* true if exporting everything. */
255 char *ldout; /* File for ld errors. */
256 static char *output_file; /* Output file for ld. */
257 static char *nm_file_name; /* pathname of nm */
258 static char *ldd_file_name; /* pathname of ldd (or equivalent) */
259 static char *strip_file_name; /* pathname of strip */
260 char *c_file_name; /* pathname of gcc */
261 static char *initname, *fininame; /* names of init and fini funcs */
263 static struct head constructors; /* list of constructors found */
264 static struct head destructors; /* list of destructors found */
265 static struct head exports; /* list of exported symbols */
267 struct obstack temporary_obstack;
268 struct obstack permanent_obstack;
269 char * temporary_firstobj;
271 /* Defined in the automatically-generated underscore.c. */
272 extern int prepends_underscore;
274 extern char *getenv ();
275 extern char *mktemp ();
276 extern FILE *fdopen ();
278 /* Structure to hold all the directories in which to search for files to
283 char *prefix; /* String to prepend to the path. */
284 struct prefix_list *next; /* Next in linked list. */
289 struct prefix_list *plist; /* List of prefixes to try */
290 int max_len; /* Max length of a prefix in PLIST */
291 char *name; /* Name of this list (used in config stuff) */
294 void collect_exit PROTO((int));
295 void collect_execute PROTO((char *, char **, char *));
296 void dump_file PROTO((char *));
297 static void handler PROTO((int));
298 static int is_ctor_dtor PROTO((char *));
299 static void choose_temp_base PROTO((void));
300 static int is_in_prefix_list PROTO((struct path_prefix *, char *, int));
301 static char *find_a_file PROTO((struct path_prefix *, char *));
302 static void add_prefix PROTO((struct path_prefix *, char *));
303 static void prefix_from_env PROTO((char *, struct path_prefix *));
304 static void prefix_from_string PROTO((char *, struct path_prefix *));
305 static void do_wait PROTO((char *));
306 static void fork_execute PROTO((char *, char **));
307 static void maybe_unlink PROTO((char *));
308 static void add_to_list PROTO((struct head *, char *));
309 static void write_list PROTO((FILE *, char *, struct id *));
310 static void write_list_with_asm PROTO((FILE *, char *, struct id *));
311 static void write_c_file PROTO((FILE *, char *));
312 static void write_export_file PROTO((FILE *));
313 static void scan_prog_file PROTO((char *, enum pass));
314 static void scan_libraries PROTO((char *));
319 extern char *index ();
320 extern char *rindex ();
336 while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
339 close (fdtmp[--fdx]);
355 static char buffer[30];
359 if (e > 0 && e < sys_nerr)
360 return sys_errlist[e];
362 sprintf (buffer, "Unknown error %d", e);
367 /* Delete tempfiles and exit function. */
370 collect_exit (status)
373 if (c_file != 0 && c_file[0])
374 maybe_unlink (c_file);
376 if (o_file != 0 && o_file[0])
377 maybe_unlink (o_file);
379 if (export_file != 0 && export_file[0])
380 maybe_unlink (export_file);
382 if (ldout != 0 && ldout[0])
385 maybe_unlink (ldout);
388 if (status != 0 && output_file != 0 && output_file[0])
389 maybe_unlink (output_file);
395 /* Die when sys call fails. */
398 fatal_perror (string, arg1, arg2, arg3)
399 char *string, *arg1, *arg2, *arg3;
403 fprintf (stderr, "collect2: ");
404 fprintf (stderr, string, arg1, arg2, arg3);
405 fprintf (stderr, ": %s\n", my_strerror (e));
412 fatal (string, arg1, arg2, arg3)
413 char *string, *arg1, *arg2, *arg3;
415 fprintf (stderr, "collect2: ");
416 fprintf (stderr, string, arg1, arg2, arg3);
417 fprintf (stderr, "\n");
421 /* Write error message. */
424 error (string, arg1, arg2, arg3, arg4)
425 char *string, *arg1, *arg2, *arg3, *arg4;
427 fprintf (stderr, "collect2: ");
428 fprintf (stderr, string, arg1, arg2, arg3, arg4);
429 fprintf (stderr, "\n");
432 /* In case obstack is linked in, and abort is defined to fancy_abort,
433 provide a default entry. */
438 fatal ("internal error");
446 if (c_file != 0 && c_file[0])
447 maybe_unlink (c_file);
449 if (o_file != 0 && o_file[0])
450 maybe_unlink (o_file);
452 if (ldout != 0 && ldout[0])
453 maybe_unlink (ldout);
455 signal (signo, SIG_DFL);
456 kill (getpid (), signo);
461 xcalloc (size1, size2)
464 char *ptr = (char *) calloc (size1, size2);
468 fatal ("out of memory");
476 char *ptr = (char *) malloc (size);
480 fatal ("out of memory");
489 register char *value = (char *) realloc (ptr, size);
491 fatal ("virtual memory exhausted");
499 return access (name, R_OK) == 0;
502 /* Make a copy of a string INPUT with size SIZE. */
505 savestring (input, size)
509 char *output = (char *) xmalloc (size + 1);
510 bcopy (input, output, size);
519 FILE *stream = fopen (name, "r");
520 int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
527 while (c = getc (stream),
528 c != EOF && (isalnum (c) || c == '_' || c == '$' || c == '.'))
529 obstack_1grow (&temporary_obstack, c);
530 if (obstack_object_size (&temporary_obstack) > 0)
532 char *word, *p, *result;
533 obstack_1grow (&temporary_obstack, '\0');
534 word = obstack_finish (&temporary_obstack);
537 ++word, putc ('.', stderr);
539 if (*p == '_' && prepends_underscore)
545 result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI);
550 fputs (result, stderr);
552 diff = strlen (word) - strlen (result);
554 --diff, putc (' ', stderr);
555 while (diff < 0 && c == ' ')
556 ++diff, c = getc (stream);
561 fputs (word, stderr);
564 obstack_free (&temporary_obstack, temporary_firstobj);
572 /* Decide whether the given symbol is:
573 a constructor (1), a destructor (2), or neither (0). */
579 struct names { char *name; int len; int ret; int two_underscores; };
581 register struct names *p;
583 register char *orig_s = s;
585 static struct names special[] = {
586 #ifdef NO_DOLLAR_IN_LABEL
587 #ifdef NO_DOT_IN_LABEL
588 { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
589 { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
591 { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 },
592 { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 },
595 { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 },
596 { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 },
598 { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
599 { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
600 #ifdef CFRONT_LOSSAGE /* Don't collect cfront initialization functions.
601 cfront has its own linker procedure to collect them;
602 if collect2 gets them too, they get collected twice
603 when the cfront procedure is run and the compiler used
604 for linking happens to be GCC. */
605 { "sti__", sizeof ("sti__")-1, 1, 1 },
606 { "std__", sizeof ("std__")-1, 2, 1 },
607 #endif /* CFRONT_LOSSAGE */
611 while ((ch = *s) == '_')
617 for (p = &special[0]; p->len > 0; p++)
620 && (!p->two_underscores || ((s - orig_s) >= 2))
621 && strncmp(s, p->name, p->len) == 0)
630 /* Compute a string to use as the base of all temporary file names.
631 It is substituted for %g. */
636 char *base = getenv ("TMPDIR");
639 if (base == (char *)0)
642 if (access (P_tmpdir, R_OK | W_OK) == 0)
645 if (base == (char *)0)
647 if (access ("/usr/tmp", R_OK | W_OK) == 0)
655 temp_filename = xmalloc (len + sizeof("/ccXXXXXX") + 1);
656 strcpy (temp_filename, base);
657 if (len > 0 && temp_filename[len-1] != '/')
658 temp_filename[len++] = '/';
659 strcpy (temp_filename + len, "ccXXXXXX");
661 mktemp (temp_filename);
662 temp_filename_length = strlen (temp_filename);
665 /* Routine to add variables to the environment. */
673 #ifndef VMS /* nor about VMS */
675 extern char **environ;
676 char **old_environ = environ;
683 while ((ch = *p++) != '\0' && ch != '=')
689 /* Search for replacing an existing environment variable, and
690 count the number of total environment variables. */
691 for (envp = old_environ; *envp; envp++)
694 if (!strncmp (str, *envp, name_len))
701 /* Add a new environment variable */
702 environ = (char **) xmalloc (sizeof (char *) * (num_envs+2));
704 bcopy ((char *) old_environ, (char *) (environ + 1),
705 sizeof (char *) * (num_envs+1));
711 #endif /* HAVE_PUTENV */
713 /* By default, colon separates directories in a path. */
714 #ifndef PATH_SEPARATOR
715 #define PATH_SEPARATOR ':'
718 /* We maintain two prefix lists: one from COMPILER_PATH environment variable
719 and one from the PATH variable. */
721 static struct path_prefix cpath, path;
724 /* This is the name of the target machine. We use it to form the name
725 of the files to execute. */
727 static char *target_machine = TARGET_MACHINE;
730 /* Names under which we were executed. Never return one of those files in our
733 static struct path_prefix our_file_names;
735 /* Determine if STRING is in PPREFIX.
737 This utility is currently only used to look up file names. Prefix lists
738 record directory names. This matters to us because the latter has a
739 trailing slash, so I've added a flag to handle both. */
742 is_in_prefix_list (pprefix, string, filep)
743 struct path_prefix *pprefix;
747 struct prefix_list *pl;
751 int len = strlen (string);
753 for (pl = pprefix->plist; pl; pl = pl->next)
755 if (strncmp (pl->prefix, string, len) == 0
756 && strcmp (pl->prefix + len, "/") == 0)
762 for (pl = pprefix->plist; pl; pl = pl->next)
764 if (strcmp (pl->prefix, string) == 0)
772 /* Search for NAME using prefix list PPREFIX. We only look for executable
775 Return 0 if not found, otherwise return its name, allocated with malloc. */
778 find_a_file (pprefix, name)
779 struct path_prefix *pprefix;
783 struct prefix_list *pl;
784 int len = pprefix->max_len + strlen (name) + 1;
786 #ifdef EXECUTABLE_SUFFIX
787 len += strlen (EXECUTABLE_SUFFIX);
790 temp = xmalloc (len);
792 /* Determine the filename to execute (special case for absolute paths). */
796 if (access (name, X_OK) == 0)
803 for (pl = pprefix->plist; pl; pl = pl->next)
805 strcpy (temp, pl->prefix);
807 if (! is_in_prefix_list (&our_file_names, temp, 1)
808 /* This is a kludge, but there seems no way around it. */
809 && strcmp (temp, "./ld") != 0
810 && access (temp, X_OK) == 0)
813 #ifdef EXECUTABLE_SUFFIX
814 /* Some systems have a suffix for executable files.
815 So try appending that. */
816 strcat (temp, EXECUTABLE_SUFFIX);
817 if (! is_in_prefix_list (&our_file_names, temp, 1)
818 && access (temp, X_OK) == 0)
827 /* Add an entry for PREFIX to prefix list PPREFIX. */
830 add_prefix (pprefix, prefix)
831 struct path_prefix *pprefix;
834 struct prefix_list *pl, **prev;
839 for (pl = pprefix->plist; pl->next; pl = pl->next)
844 prev = &pprefix->plist;
846 /* Keep track of the longest prefix */
848 len = strlen (prefix);
849 if (len > pprefix->max_len)
850 pprefix->max_len = len;
852 pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
853 pl->prefix = savestring (prefix, len);
858 pl->next = (struct prefix_list *) 0;
862 /* Take the value of the environment variable ENV, break it into a path, and
863 add of the entries to PPREFIX. */
866 prefix_from_env (env, pprefix)
868 struct path_prefix *pprefix;
870 char *p = getenv (env);
873 prefix_from_string (p, pprefix);
877 prefix_from_string (p, pprefix)
879 struct path_prefix *pprefix;
882 char *nstore = (char *) xmalloc (strlen (p) + 3);
887 if (*endp == PATH_SEPARATOR || *endp == 0)
889 strncpy (nstore, startp, endp-startp);
892 strcpy (nstore, "./");
894 else if (endp[-1] != '/')
896 nstore[endp-startp] = '/';
897 nstore[endp-startp+1] = 0;
900 nstore[endp-startp] = 0;
902 add_prefix (pprefix, nstore);
905 endp = startp = endp + 1;
919 char *ld_suffix = "ld";
920 char *full_ld_suffix = ld_suffix;
921 char *real_ld_suffix = "real-ld";
922 char *full_real_ld_suffix = real_ld_suffix;
923 char *collect_ld_suffix = "collect-ld";
924 char *nm_suffix = "nm";
925 char *full_nm_suffix = nm_suffix;
926 char *gnm_suffix = "gnm";
927 char *full_gnm_suffix = gnm_suffix;
929 char *ldd_suffix = LDD_SUFFIX;
930 char *full_ldd_suffix = ldd_suffix;
932 char *strip_suffix = "strip";
933 char *full_strip_suffix = strip_suffix;
934 char *gstrip_suffix = "gstrip";
935 char *full_gstrip_suffix = gstrip_suffix;
937 FILE *outf, *exportf;
944 char **ld1_argv = (char **) xcalloc (sizeof (char *), argc+3);
945 char **ld1 = ld1_argv;
946 char **ld2_argv = (char **) xcalloc (sizeof (char *), argc+6);
947 char **ld2 = ld2_argv;
948 char **object_lst = (char **) xcalloc (sizeof (char *), argc);
949 char **object = object_lst;
951 int num_c_args = argc+7;
958 output_file = "a.out";
960 obstack_begin (&temporary_obstack, 0);
961 obstack_begin (&permanent_obstack, 0);
962 temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
963 current_demangling_style = gnu_demangling;
965 /* We must check that we do not call ourselves in an infinite
966 recursion loop. We append the name used for us to the COLLECT_NAMES
967 environment variable.
969 In practice, collect will rarely invoke itself. This can happen now
970 that we are no longer called gld. A perfect example is when running
971 gcc in a build directory that has been installed. When looking for
972 ld's, we'll find our installed version and believe that's the real ld. */
974 /* We must also append COLLECT_NAME to COLLECT_NAMES to watch for the
975 previous version of collect (the one that used COLLECT_NAME and only
976 handled two levels of recursion). If we don't we may mutually recurse
977 forever. This can happen (I think) when bootstrapping the old version
978 and a new one is installed (rare, but we should handle it).
979 ??? Hopefully references to COLLECT_NAME can be removed at some point. */
981 collect_name = (char *) getenv ("COLLECT_NAME");
982 collect_names = (char *) getenv ("COLLECT_NAMES");
984 p = (char *) xmalloc (strlen ("COLLECT_NAMES=")
985 + (collect_name ? strlen (collect_name) + 1 : 0)
986 + (collect_names ? strlen (collect_names) + 1 : 0)
987 + strlen (argv[0]) + 1);
988 strcpy (p, "COLLECT_NAMES=");
989 if (collect_name != 0)
990 sprintf (p + strlen (p), "%s%c", collect_name, PATH_SEPARATOR);
991 if (collect_names != 0)
992 sprintf (p + strlen (p), "%s%c", collect_names, PATH_SEPARATOR);
996 prefix_from_env ("COLLECT_NAMES", &our_file_names);
998 /* Set environment variable COLLECT_NAME to our name so the previous version
999 of collect won't find us. If it does we'll mutually recurse forever.
1000 This can happen when bootstrapping the new version and an old version is
1002 ??? Hopefully this bit of code can be removed at some point. */
1004 p = xmalloc (strlen ("COLLECT_NAME=") + strlen (argv[0]) + 1);
1005 sprintf (p, "COLLECT_NAME=%s", argv[0]);
1008 p = (char *) getenv ("COLLECT_GCC_OPTIONS");
1013 while (*q && *q != ' ') q++;
1014 if (*p == '-' && p[1] == 'm')
1021 c_ptr = c_argv = (char **) xcalloc (sizeof (char *), num_c_args);
1024 fatal ("no arguments");
1027 if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
1028 signal (SIGQUIT, handler);
1030 if (signal (SIGINT, SIG_IGN) != SIG_IGN)
1031 signal (SIGINT, handler);
1033 if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
1034 signal (SIGALRM, handler);
1037 if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
1038 signal (SIGHUP, handler);
1040 if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
1041 signal (SIGSEGV, handler);
1043 if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
1044 signal (SIGBUS, handler);
1047 /* Extract COMPILER_PATH and PATH into our prefix list. */
1048 prefix_from_env ("COMPILER_PATH", &cpath);
1049 prefix_from_env ("PATH", &path);
1051 #ifdef CROSS_COMPILE
1052 /* If we look for a program in the compiler directories, we just use
1053 the short name, since these directories are already system-specific.
1054 But it we look for a took in the system directories, we need to
1055 qualify the program name with the target machine. */
1058 = xcalloc (strlen (ld_suffix) + strlen (target_machine) + 2, 1);
1059 strcpy (full_ld_suffix, target_machine);
1060 strcat (full_ld_suffix, "-");
1061 strcat (full_ld_suffix, ld_suffix);
1064 = xcalloc (strlen (real_ld_suffix) + strlen (target_machine) + 2, 1);
1065 strcpy (full_real_ld_suffix, target_machine);
1066 strcat (full_real_ld_suffix, "-");
1067 strcat (full_real_ld_suffix, real_ld_suffix);
1071 = xcalloc (strlen (gld_suffix) + strlen (target_machine) + 2, 1);
1072 strcpy (full_gld_suffix, target_machine);
1073 strcat (full_gld_suffix, "-");
1074 strcat (full_gld_suffix, gld_suffix);
1078 = xcalloc (strlen (nm_suffix) + strlen (target_machine) + 2, 1);
1079 strcpy (full_nm_suffix, target_machine);
1080 strcat (full_nm_suffix, "-");
1081 strcat (full_nm_suffix, nm_suffix);
1084 = xcalloc (strlen (gnm_suffix) + strlen (target_machine) + 2, 1);
1085 strcpy (full_gnm_suffix, target_machine);
1086 strcat (full_gnm_suffix, "-");
1087 strcat (full_gnm_suffix, gnm_suffix);
1091 = xcalloc (strlen (ldd_suffix) + strlen (target_machine) + 2, 1);
1092 strcpy (full_ldd_suffix, target_machine);
1093 strcat (full_ldd_suffix, "-");
1094 strcat (full_ldd_suffix, ldd_suffix);
1098 = xcalloc (strlen (strip_suffix) + strlen (target_machine) + 2, 1);
1099 strcpy (full_strip_suffix, target_machine);
1100 strcat (full_strip_suffix, "-");
1101 strcat (full_strip_suffix, strip_suffix);
1104 = xcalloc (strlen (gstrip_suffix) + strlen (target_machine) + 2, 1);
1105 strcpy (full_gstrip_suffix, target_machine);
1106 strcat (full_gstrip_suffix, "-");
1107 strcat (full_gstrip_suffix, gstrip_suffix);
1108 #endif /* CROSS_COMPILE */
1110 /* Try to discover a valid linker/nm/strip to use. */
1112 /* Maybe we know the right file to use (if not cross). */
1113 #ifdef REAL_LD_FILE_NAME
1114 ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
1115 if (ld_file_name == 0)
1117 /* Search the (target-specific) compiler dirs for ld'. */
1118 ld_file_name = find_a_file (&cpath, real_ld_suffix);
1119 /* Likewise for `collect-ld'. */
1120 if (ld_file_name == 0)
1121 ld_file_name = find_a_file (&cpath, collect_ld_suffix);
1122 /* Search the compiler directories for `ld'. We have protection against
1123 recursive calls in find_a_file. */
1124 if (ld_file_name == 0)
1125 ld_file_name = find_a_file (&cpath, ld_suffix);
1126 /* Search the ordinary system bin directories
1127 for `ld' (if native linking) or `TARGET-ld' (if cross). */
1128 if (ld_file_name == 0)
1129 ld_file_name = find_a_file (&path, full_ld_suffix);
1131 /* If we've invoked ourselves, try again with LD_FILE_NAME. */
1133 if (collect_names != 0)
1135 if (ld_file_name != 0)
1137 argv[0] = ld_file_name;
1138 execvp (argv[0], argv);
1140 fatal ("cannot find `ld'");
1143 #ifdef REAL_NM_FILE_NAME
1144 nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
1145 if (nm_file_name == 0)
1147 nm_file_name = find_a_file (&cpath, gnm_suffix);
1148 if (nm_file_name == 0)
1149 nm_file_name = find_a_file (&path, full_gnm_suffix);
1150 if (nm_file_name == 0)
1151 nm_file_name = find_a_file (&cpath, nm_suffix);
1152 if (nm_file_name == 0)
1153 nm_file_name = find_a_file (&path, full_nm_suffix);
1156 ldd_file_name = find_a_file (&cpath, ldd_suffix);
1157 if (ldd_file_name == 0)
1158 ldd_file_name = find_a_file (&path, full_ldd_suffix);
1161 #ifdef REAL_STRIP_FILE_NAME
1162 strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
1163 if (strip_file_name == 0)
1165 strip_file_name = find_a_file (&cpath, gstrip_suffix);
1166 if (strip_file_name == 0)
1167 strip_file_name = find_a_file (&path, full_gstrip_suffix);
1168 if (strip_file_name == 0)
1169 strip_file_name = find_a_file (&cpath, strip_suffix);
1170 if (strip_file_name == 0)
1171 strip_file_name = find_a_file (&path, full_strip_suffix);
1173 /* Determine the full path name of the C compiler to use. */
1174 c_file_name = getenv ("COLLECT_GCC");
1175 if (c_file_name == 0)
1177 #ifdef CROSS_COMPILE
1178 c_file_name = xcalloc (sizeof ("gcc-") + strlen (target_machine) + 1, 1);
1179 strcpy (c_file_name, target_machine);
1180 strcat (c_file_name, "-gcc");
1182 c_file_name = "gcc";
1186 p = find_a_file (&cpath, c_file_name);
1188 /* Here it should be safe to use the system search path since we should have
1189 already qualified the name of the compiler when it is needed. */
1191 p = find_a_file (&path, c_file_name);
1196 *ld1++ = *ld2++ = ld_file_name;
1198 /* Make temp file names. */
1199 choose_temp_base ();
1200 c_file = xcalloc (temp_filename_length + sizeof (".c"), 1);
1201 o_file = xcalloc (temp_filename_length + sizeof (".o"), 1);
1202 export_file = xmalloc (temp_filename_length + sizeof (".x"));
1203 ldout = xmalloc (temp_filename_length + sizeof (".ld"));
1204 sprintf (ldout, "%s.ld", temp_filename);
1205 sprintf (c_file, "%s.c", temp_filename);
1206 sprintf (o_file, "%s.o", temp_filename);
1207 sprintf (export_file, "%s.x", temp_filename);
1208 *c_ptr++ = c_file_name;
1213 /* !!! When GCC calls collect2,
1214 it does not know whether it is calling collect2 or ld.
1215 So collect2 cannot meaningfully understand any options
1216 except those ld understands.
1217 If you propose to make GCC pass some other option,
1218 just imagine what will happen if ld is really ld!!! */
1220 /* Parse arguments. Remember output file spec, pass the rest to ld. */
1221 /* After the first file, put in the c++ rt0. */
1224 while ((arg = *++argv) != (char *)0)
1226 *ld1++ = *ld2++ = arg;
1233 if (!strcmp (arg, "-debug"))
1242 #ifdef COLLECT_EXPORT_LIST
1244 if ((!strncmp (arg, "-bE:", 4)
1245 || !strncmp (arg, "-bexport:", 9))
1246 && strcmp (arg, "-bexport:/usr/lib/libg.exp"))
1254 /* place o_file BEFORE this argument! */
1264 output_file = *ld1++ = *ld2++ = *++argv;
1266 output_file = &arg[2];
1275 if (arg[2] == '\0' && do_collecting)
1277 /* We must strip after the nm run, otherwise C++ linking
1278 won't work. Thus we strip in the second ld run, or
1279 else with strip if there is no second ld run. */
1291 else if ((p = rindex (arg, '.')) != (char *)0
1292 && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0))
1301 /* place o_file BEFORE this argument! */
1312 /* Get any options that the upper GCC wants to pass to the sub-GCC. */
1313 p = (char *) getenv ("COLLECT_GCC_OPTIONS");
1318 while (*q && *q != ' ') q++;
1319 if (*p == '-' && (p[1] == 'm' || p[1] == 'f'))
1320 *c_ptr++ = savestring (p, q - p);
1321 if (strncmp (p, "-shared", sizeof ("shared") - 1) == 0)
1328 #ifdef COLLECT_EXPORT_LIST
1329 /* The AIX linker will discard static constructors in object files if
1330 nothing else in the file is referenced, so look at them first. */
1331 while (object_lst < object)
1332 scan_prog_file (*object_lst++, PASS_OBJ);
1335 char *buf = alloca (strlen (export_file) + 5);
1336 sprintf (buf, "-bE:%s", export_file);
1339 exportf = fopen (export_file, "w");
1340 if (exportf == (FILE *)0)
1341 fatal_perror ("%s", export_file);
1342 write_export_file (exportf);
1343 if (fclose (exportf))
1344 fatal_perror ("closing %s", export_file);
1349 *object = *c_ptr = *ld1 = (char *)0;
1353 fprintf (stderr, "collect2 version %s", version_string);
1354 #ifdef TARGET_VERSION
1357 fprintf (stderr, "\n");
1363 fprintf (stderr, "ld_file_name = %s\n",
1364 (ld_file_name ? ld_file_name : "not found"));
1365 fprintf (stderr, "c_file_name = %s\n",
1366 (c_file_name ? c_file_name : "not found"));
1367 fprintf (stderr, "nm_file_name = %s\n",
1368 (nm_file_name ? nm_file_name : "not found"));
1370 fprintf (stderr, "ldd_file_name = %s\n",
1371 (ldd_file_name ? ldd_file_name : "not found"));
1373 fprintf (stderr, "strip_file_name = %s\n",
1374 (strip_file_name ? strip_file_name : "not found"));
1375 fprintf (stderr, "c_file = %s\n",
1376 (c_file ? c_file : "not found"));
1377 fprintf (stderr, "o_file = %s\n",
1378 (o_file ? o_file : "not found"));
1380 ptr = getenv ("COLLECT_NAMES");
1382 fprintf (stderr, "COLLECT_NAMES = %s\n", ptr);
1384 ptr = getenv ("COLLECT_GCC_OPTIONS");
1386 fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
1388 ptr = getenv ("COLLECT_GCC");
1390 fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
1392 ptr = getenv ("COMPILER_PATH");
1394 fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
1396 ptr = getenv ("LIBRARY_PATH");
1398 fprintf (stderr, "LIBRARY_PATH = %s\n", ptr);
1400 fprintf (stderr, "\n");
1403 /* Load the program, searching all libraries. */
1405 collect_execute ("ld", ld1_argv, ldout);
1410 /* If -r or they'll be run via some other method, don't build the
1411 constructor or destructor list, just return now. */
1412 if (rflag || ! do_collecting)
1415 /* Examine the namelist with nm and search it for static constructors
1416 and destructors to call.
1417 Write the constructor and destructor tables to a .s file and reload. */
1419 scan_prog_file (output_file, PASS_FIRST);
1421 #ifdef SCAN_LIBRARIES
1422 scan_libraries (output_file);
1427 fprintf (stderr, "%d constructor(s) found\n", constructors.number);
1428 fprintf (stderr, "%d destructor(s) found\n", destructors.number);
1431 if (constructors.number == 0 && destructors.number == 0
1433 /* If we will be running these functions ourselves, we want to emit
1434 stubs into the shared library so that we don't have to relink
1435 dependent programs when we add static objects. */
1440 /* Strip now if it was requested on the command line. */
1443 char **strip_argv = (char **) xcalloc (sizeof (char *), 3);
1444 strip_argv[0] = strip_file_name;
1445 strip_argv[1] = output_file;
1446 strip_argv[2] = (char *) 0;
1447 fork_execute ("strip", strip_argv);
1452 maybe_unlink(output_file);
1453 outf = fopen (c_file, "w");
1454 if (outf == (FILE *)0)
1455 fatal_perror ("%s", c_file);
1457 write_c_file (outf, c_file);
1460 fatal_perror ("closing %s", c_file);
1462 /* Tell the linker that we have initializer and finalizer functions. */
1463 #ifdef LD_INIT_SWITCH
1464 *ld2++ = LD_INIT_SWITCH;
1466 *ld2++ = LD_FINI_SWITCH;
1471 #ifdef COLLECT_EXPORT_LIST
1474 add_to_list (&exports, initname);
1475 add_to_list (&exports, fininame);
1476 add_to_list (&exports, "_GLOBAL__DI");
1477 add_to_list (&exports, "_GLOBAL__DD");
1478 exportf = fopen (export_file, "w");
1479 if (exportf == (FILE *)0)
1480 fatal_perror ("%s", export_file);
1481 write_export_file (exportf);
1482 if (fclose (exportf))
1483 fatal_perror ("closing %s", export_file);
1489 fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
1490 output_file, c_file);
1491 write_c_file (stderr, "stderr");
1492 fprintf (stderr, "========== end of c_file\n\n");
1493 #ifdef COLLECT_EXPORT_LIST
1494 fprintf (stderr, "\n========== export_file = %s\n", export_file);
1495 write_export_file (stderr);
1496 fprintf (stderr, "========== end of export_file\n\n");
1500 /* Assemble the constructor and destructor tables.
1501 Link the tables in with the rest of the program. */
1503 fork_execute ("gcc", c_argv);
1504 fork_execute ("ld", ld2_argv);
1506 /* Let scan_prog_file do any final mods (OSF/rose needs this for
1507 constructors/destructors in shared libraries. */
1508 scan_prog_file (output_file, PASS_SECOND);
1510 maybe_unlink (c_file);
1511 maybe_unlink (o_file);
1512 maybe_unlink (export_file);
1517 /* Wait for a process to finish, and exit if a non-zero status is found. */
1528 if (WIFSIGNALED (status))
1530 int sig = WTERMSIG (status);
1531 #ifdef NO_SYS_SIGLIST
1532 error ("%s terminated with signal %d %s",
1535 (status & 0200) ? ", core dumped" : "");
1537 error ("%s terminated with signal %d [%s]%s",
1541 (status & 0200) ? ", core dumped" : "");
1547 if (WIFEXITED (status))
1548 return WEXITSTATUS (status);
1557 int ret = collect_wait (prog);
1560 error ("%s returned %d exit status", prog, ret);
1566 /* Fork and execute a program, and wait for the reply. */
1569 collect_execute (prog, argv, redir)
1582 fprintf (stderr, "%s", argv[0]);
1584 fprintf (stderr, "[cannot find %s]", prog);
1586 for (p_argv = &argv[1]; (str = *p_argv) != (char *)0; p_argv++)
1587 fprintf (stderr, " %s", str);
1589 fprintf (stderr, "\n");
1595 /* If we can't find a program we need, complain error. Do this here
1596 since we might not end up needing something that we couldn't find. */
1599 fatal ("cannot find `%s'", prog);
1605 fatal_perror ("fork");
1607 fatal_perror ("vfork");
1611 if (pid == 0) /* child context */
1616 if (freopen (redir, "a", stdout) == NULL)
1617 fatal_perror ("redirecting stdout");
1618 if (freopen (redir, "a", stderr) == NULL)
1619 fatal_perror ("redirecting stderr");
1622 execvp (argv[0], argv);
1623 fatal_perror ("executing %s", prog);
1628 fork_execute (prog, argv)
1632 collect_execute (prog, argv, NULL);
1636 /* Unlink a file unless we are debugging. */
1645 fprintf (stderr, "[Leaving %s]\n", file);
1649 /* Add a name to a linked list. */
1652 add_to_list (head_ptr, name)
1653 struct head *head_ptr;
1657 = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
1659 static long sequence_number = 0;
1660 strcpy (newid->name, name);
1662 if (head_ptr->first)
1663 head_ptr->last->next = newid;
1665 head_ptr->first = newid;
1667 /* Check for duplicate symbols. */
1668 for (p = head_ptr->first;
1669 strcmp (name, p->name) != 0;
1674 head_ptr->last->next = 0;
1679 newid->sequence = ++sequence_number;
1680 head_ptr->last = newid;
1684 /* Write: `prefix', the names on list LIST, `suffix'. */
1687 write_list (stream, prefix, list)
1694 fprintf (stream, "%sx%d,\n", prefix, list->sequence);
1700 write_list_with_asm (stream, prefix, list)
1707 fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
1708 prefix, list->sequence, list->name);
1713 /* Write out the constructor and destructor tables statically (for a shared
1714 object), along with the functions to execute them. */
1717 write_c_file_stat (stream, name)
1721 char *prefix, *p, *q;
1723 /* Figure out name of output_file, stripping off .so version. */
1724 p = rindex (output_file, '/');
1726 p = (char *) output_file;
1740 if (strncmp (q, ".so", 3) == 0)
1749 /* q points to null at end of the string (or . of the .so version) */
1750 prefix = xmalloc (q - p + 1);
1751 strncpy (prefix, p, q - p);
1753 for (q = prefix; *q; q++)
1757 fprintf (stderr, "\nwrite_c_file - output name is %s, prefix is %s\n",
1758 output_file, prefix);
1760 #define INIT_NAME_FORMAT "_GLOBAL__FI_%s"
1761 initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2);
1762 sprintf (initname, INIT_NAME_FORMAT, prefix);
1764 #define FINI_NAME_FORMAT "_GLOBAL__FD_%s"
1765 fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2);
1766 sprintf (fininame, FINI_NAME_FORMAT, prefix);
1770 /* Write the tables as C code */
1772 fprintf (stream, "static int count;\n");
1773 fprintf (stream, "typedef void entry_pt();\n");
1774 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1775 fprintf (stream, "void %s() {\n", initname);
1776 if (constructors.number > 0)
1778 fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
1779 write_list (stream, "\t\t", constructors.first);
1780 fprintf (stream, "\t};\n");
1781 fprintf (stream, "\tentry_pt **p;\n");
1782 fprintf (stream, "\tif (count++ != 0) return;\n");
1783 fprintf (stream, "\tp = ctors + %d;\n", constructors.number);
1784 fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
1787 fprintf (stream, "\t++count;\n");
1788 fprintf (stream, "}\n");
1789 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1790 fprintf (stream, "void %s() {\n", fininame);
1791 if (destructors.number > 0)
1793 fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
1794 write_list (stream, "\t\t", destructors.first);
1795 fprintf (stream, "\t};\n");
1796 fprintf (stream, "\tentry_pt **p;\n");
1797 fprintf (stream, "\tif (--count != 0) return;\n");
1798 fprintf (stream, "\tp = dtors;\n");
1799 fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
1800 destructors.number);
1802 fprintf (stream, "}\n");
1806 fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname);
1807 fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame);
1811 /* Write the constructor/destructor tables. */
1814 write_c_file_glob (stream, name)
1818 /* Write the tables as C code */
1820 fprintf (stream, "typedef void entry_pt();\n\n");
1822 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1824 fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
1825 fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number);
1826 write_list (stream, "\t", constructors.first);
1827 fprintf (stream, "\t0\n};\n\n");
1829 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1831 fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
1832 fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number);
1833 write_list (stream, "\t", destructors.first);
1834 fprintf (stream, "\t0\n};\n\n");
1836 fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
1837 fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
1841 write_c_file (stream, name)
1845 #ifndef LD_INIT_SWITCH
1847 write_c_file_glob (stream, name);
1850 write_c_file_stat (stream, name);
1854 write_export_file (stream)
1857 struct id *list = exports.first;
1858 for (; list; list = list->next)
1859 fprintf (stream, "%s\n", list->name);
1862 #ifdef OBJECT_FORMAT_NONE
1864 /* Generic version to scan the name list of the loaded program for
1865 the symbols g++ uses for static constructors and destructors.
1867 The constructor table begins at __CTOR_LIST__ and contains a count
1868 of the number of pointers (or -1 if the constructors are built in a
1869 separate section by the linker), followed by the pointers to the
1870 constructor functions, terminated with a null pointer. The
1871 destructor table has the same format, and begins at __DTOR_LIST__. */
1874 scan_prog_file (prog_name, which_pass)
1876 enum pass which_pass;
1878 void (*int_handler) ();
1879 void (*quit_handler) ();
1887 if (which_pass == PASS_SECOND)
1890 /* If we don't have an `nm', complain. */
1891 if (nm_file_name == 0)
1892 fatal ("cannot find `nm'");
1894 nm_argv[argc++] = nm_file_name;
1895 if (NM_FLAGS[0] != '\0')
1896 nm_argv[argc++] = NM_FLAGS;
1898 nm_argv[argc++] = prog_name;
1899 nm_argv[argc++] = (char *)0;
1901 if (pipe (pipe_fd) < 0)
1902 fatal_perror ("pipe");
1904 inf = fdopen (pipe_fd[0], "r");
1905 if (inf == (FILE *)0)
1906 fatal_perror ("fdopen");
1908 /* Trace if needed. */
1914 for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *)0; p_argv++)
1915 fprintf (stderr, " %s", str);
1917 fprintf (stderr, "\n");
1923 /* Spawn child nm on pipe */
1928 fatal_perror ("fork");
1930 fatal_perror ("vfork");
1934 if (pid == 0) /* child context */
1937 if (dup2 (pipe_fd[1], 1) < 0)
1938 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
1940 if (close (pipe_fd[0]) < 0)
1941 fatal_perror ("close (%d)", pipe_fd[0]);
1943 if (close (pipe_fd[1]) < 0)
1944 fatal_perror ("close (%d)", pipe_fd[1]);
1946 execv (nm_file_name, nm_argv);
1947 fatal_perror ("executing %s", nm_file_name);
1950 /* Parent context from here on. */
1951 int_handler = (void (*) ())signal (SIGINT, SIG_IGN);
1953 quit_handler = (void (*) ())signal (SIGQUIT, SIG_IGN);
1956 if (close (pipe_fd[1]) < 0)
1957 fatal_perror ("close (%d)", pipe_fd[1]);
1960 fprintf (stderr, "\nnm output with constructors/destructors.\n");
1962 /* Read each line of nm output. */
1963 while (fgets (buf, sizeof buf, inf) != (char *)0)
1968 /* If it contains a constructor or destructor name, add the name
1969 to the appropriate list. */
1971 for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
1972 if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
1979 /* Find the end of the symbol name.
1980 Don't include `|', because Encore nm can tack that on the end. */
1981 for (end = p; (ch2 = *end) != '\0' && !isspace (ch2) && ch2 != '|';
1987 switch (is_ctor_dtor (name))
1990 if (which_pass != PASS_LIB)
1991 add_to_list (&constructors, name);
1995 if (which_pass != PASS_LIB)
1996 add_to_list (&destructors, name);
2000 if (which_pass != PASS_LIB)
2001 fatal ("init function found in object %s", prog_name);
2002 #ifndef LD_INIT_SWITCH
2003 add_to_list (&constructors, name);
2008 if (which_pass != PASS_LIB)
2009 fatal ("fini function found in object %s", prog_name);
2010 #ifndef LD_FINI_SWITCH
2011 add_to_list (&destructors, name);
2015 default: /* not a constructor or destructor */
2020 fprintf (stderr, "\t%s\n", buf);
2024 fprintf (stderr, "\n");
2026 if (fclose (inf) != 0)
2027 fatal_perror ("fclose of pipe");
2029 do_wait (nm_file_name);
2031 signal (SIGINT, int_handler);
2033 signal (SIGQUIT, quit_handler);
2037 #if SUNOS4_SHARED_LIBRARIES
2039 /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
2040 that the output file depends upon and their initialization/finalization
2041 routines, if any. */
2046 #include <sys/mman.h>
2047 #include <sys/param.h>
2048 #include <sys/unistd.h>
2049 #include <sys/dir.h>
2051 /* pointers to the object file */
2052 unsigned object; /* address of memory mapped file */
2053 unsigned objsize; /* size of memory mapped to file */
2054 char * code; /* pointer to code segment */
2055 char * data; /* pointer to data segment */
2056 struct nlist *symtab; /* pointer to symbol table */
2057 struct link_dynamic *ld;
2058 struct link_dynamic_2 *ld_2;
2059 struct head libraries;
2061 /* Map the file indicated by NAME into memory and store its address. */
2069 if ((fp = open (name, O_RDONLY)) == -1)
2070 fatal ("unable to open file '%s'", name);
2071 if (fstat (fp, &s) == -1)
2072 fatal ("unable to stat file '%s'", name);
2074 objsize = s.st_size;
2075 object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
2078 fatal ("unable to mmap file '%s'", name);
2083 /* Helpers for locatelib. */
2085 static char *libname;
2091 return (strncmp (libname, d->d_name, strlen (libname)) == 0);
2096 struct direct **d1, **d2;
2098 int i1, i2 = strlen (libname);
2099 char *e1 = (*d1)->d_name + i2;
2100 char *e2 = (*d2)->d_name + i2;
2106 i1 = strtol (e1, &e1, 10);
2107 i2 = strtol (e2, &e2, 10);
2120 /* Given the name NAME of a dynamic dependency, find its pathname and add
2121 it to the list of libraries. */
2129 char buf[MAXPATHLEN];
2137 /* counting elements in array, need 1 extra for null */
2139 ld_rules = (char *) (ld_2->ld_rules + code);
2143 for (; *ld_rules != 0; ld_rules++)
2144 if (*ld_rules == ':')
2146 ld_rules = (char *) (ld_2->ld_rules + code);
2147 ldr = (char *) malloc (strlen (ld_rules) + 1);
2148 strcpy (ldr, ld_rules);
2150 p = getenv ("LD_LIBRARY_PATH");
2155 for (q = p ; *q != 0; q++)
2158 q = (char *) malloc (strlen (p) + 1);
2161 l = (char **) malloc ((cnt + 3) * sizeof (char *));
2166 for (; *ldr != 0; ldr++)
2176 for (; *q != 0; q++)
2183 /* built in directories are /lib, /usr/lib, and /usr/local/lib */
2186 *pp++ = "/usr/local/lib";
2190 for (pp = l; *pp != 0 ; pp++)
2192 struct direct **namelist;
2194 if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
2196 sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
2197 add_to_list (&libraries, buf);
2199 fprintf (stderr, "%s\n", buf);
2206 fprintf (stderr, "not found\n");
2208 fatal ("dynamic dependency %s not found", name);
2212 /* Scan the _DYNAMIC structure of the output file to find shared libraries
2213 that it depends upon and any constructors or destructors they contain. */
2216 scan_libraries (prog_name)
2219 struct exec *header;
2221 struct link_object *lo;
2222 char buff[MAXPATHLEN];
2225 mapfile (prog_name);
2226 header = (struct exec *)object;
2227 if (N_BADMAG (*header))
2228 fatal ("bad magic number in file '%s'", prog_name);
2229 if (header->a_dynamic == 0)
2232 code = (char *) (N_TXTOFF (*header) + (long) header);
2233 data = (char *) (N_DATOFF (*header) + (long) header);
2234 symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
2236 if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
2239 ld = (struct link_dynamic *) (symtab->n_value + code);
2245 ld = (struct link_dynamic *) data;
2250 fprintf (stderr, "dynamic dependencies.\n");
2252 ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
2253 for (lo = (struct link_object *) ld_2->ld_need; lo;
2254 lo = (struct link_object *) lo->lo_next)
2257 lo = (struct link_object *) ((long) lo + code);
2258 name = (char *) (code + lo->lo_name);
2262 fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
2263 sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
2269 fprintf (stderr, "\t%s\n", name);
2270 add_to_list (&libraries, name);
2275 fprintf (stderr, "\n");
2277 /* now iterate through the library list adding their symbols to
2279 for (list = libraries.first; list; list = list->next)
2280 scan_prog_file (list->name, PASS_LIB);
2283 #else /* SUNOS4_SHARED_LIBRARIES */
2286 /* Use the List Dynamic Dependencies program to find shared libraries that
2287 the output file depends upon and their initialization/finalization
2288 routines, if any. */
2291 scan_libraries (prog_name)
2294 static struct head libraries; /* list of shared libraries found */
2296 void (*int_handler) ();
2297 void (*quit_handler) ();
2305 /* If we don't have an `ldd', complain. */
2306 if (ldd_file_name == 0)
2308 error ("cannot find `ldd'");
2312 ldd_argv[argc++] = ldd_file_name;
2313 ldd_argv[argc++] = prog_name;
2314 ldd_argv[argc++] = (char *) 0;
2316 if (pipe (pipe_fd) < 0)
2317 fatal_perror ("pipe");
2319 inf = fdopen (pipe_fd[0], "r");
2320 if (inf == (FILE *) 0)
2321 fatal_perror ("fdopen");
2323 /* Trace if needed. */
2329 for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2330 fprintf (stderr, " %s", str);
2332 fprintf (stderr, "\n");
2338 /* Spawn child ldd on pipe */
2343 fatal_perror ("fork");
2345 fatal_perror ("vfork");
2349 if (pid == 0) /* child context */
2352 if (dup2 (pipe_fd[1], 1) < 0)
2353 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
2355 if (close (pipe_fd[0]) < 0)
2356 fatal_perror ("close (%d)", pipe_fd[0]);
2358 if (close (pipe_fd[1]) < 0)
2359 fatal_perror ("close (%d)", pipe_fd[1]);
2361 execv (ldd_file_name, ldd_argv);
2362 fatal_perror ("executing %s", ldd_file_name);
2365 /* Parent context from here on. */
2366 int_handler = (void (*) ()) signal (SIGINT, SIG_IGN);
2368 quit_handler = (void (*) ()) signal (SIGQUIT, SIG_IGN);
2371 if (close (pipe_fd[1]) < 0)
2372 fatal_perror ("close (%d)", pipe_fd[1]);
2375 fprintf (stderr, "\nldd output with constructors/destructors.\n");
2377 /* Read each line of ldd output. */
2378 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2381 char *name, *end, *p = buf;
2383 /* Extract names of libraries and add to list. */
2384 PARSE_LDD_OUTPUT (p);
2389 if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
2390 fatal ("dynamic dependency %s not found", buf);
2392 /* Find the end of the symbol name. */
2394 (ch2 = *end) != '\0' && ch2 != '\n' && !isspace (ch2) && ch2 != '|';
2399 if (access (name, R_OK) == 0)
2400 add_to_list (&libraries, name);
2402 fatal ("unable to open dynamic dependency '%s'", buf);
2405 fprintf (stderr, "\t%s\n", buf);
2408 fprintf (stderr, "\n");
2410 if (fclose (inf) != 0)
2411 fatal_perror ("fclose of pipe");
2413 do_wait (ldd_file_name);
2415 signal (SIGINT, int_handler);
2417 signal (SIGQUIT, quit_handler);
2420 /* now iterate through the library list adding their symbols to
2422 for (list = libraries.first; list; list = list->next)
2423 scan_prog_file (list->name, PASS_LIB);
2426 #endif /* LDD_SUFFIX */
2427 #endif /* SUNOS4_SHARED_LIBRARIES */
2429 #endif /* OBJECT_FORMAT_NONE */
2433 * COFF specific stuff.
2436 #ifdef OBJECT_FORMAT_COFF
2438 #if defined(EXTENDED_COFF)
2439 # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
2440 # define GCC_SYMENT SYMR
2441 # define GCC_OK_SYMBOL(X) ((X).st == stProc && (X).sc == scText)
2442 # define GCC_SYMINC(X) (1)
2443 # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
2444 # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
2446 # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
2447 # define GCC_SYMENT SYMENT
2448 # define GCC_OK_SYMBOL(X) \
2449 (((X).n_sclass == C_EXT) && \
2450 (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) || \
2451 ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT)))
2452 # define GCC_SYMINC(X) ((X).n_numaux+1)
2453 # define GCC_SYMZERO(X) 0
2454 # define GCC_CHECK_HDR(X) (1)
2457 extern char *ldgetname ();
2459 /* COFF version to scan the name list of the loaded program for
2460 the symbols g++ uses for static constructors and destructors.
2462 The constructor table begins at __CTOR_LIST__ and contains a count
2463 of the number of pointers (or -1 if the constructors are built in a
2464 separate section by the linker), followed by the pointers to the
2465 constructor functions, terminated with a null pointer. The
2466 destructor table has the same format, and begins at __DTOR_LIST__. */
2469 scan_prog_file (prog_name, which_pass)
2471 enum pass which_pass;
2473 LDFILE *ldptr = NULL;
2474 int sym_index, sym_count;
2476 if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
2479 if ((ldptr = ldopen (prog_name, ldptr)) == NULL)
2480 fatal ("%s: can't open as COFF file", prog_name);
2482 if (!MY_ISCOFF (HEADER (ldptr).f_magic))
2483 fatal ("%s: not a COFF file", prog_name);
2485 if (GCC_CHECK_HDR (ldptr))
2487 sym_count = GCC_SYMBOLS (ldptr);
2488 sym_index = GCC_SYMZERO (ldptr);
2489 while (sym_index < sym_count)
2493 if (ldtbread (ldptr, sym_index, &symbol) <= 0)
2495 sym_index += GCC_SYMINC (symbol);
2497 if (GCC_OK_SYMBOL (symbol))
2501 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2502 continue; /* should never happen */
2504 #ifdef XCOFF_DEBUGGING_INFO
2505 /* All AIX function names have a duplicate entry beginning
2511 switch (is_ctor_dtor (name))
2514 add_to_list (&constructors, name);
2515 if (which_pass == PASS_OBJ)
2516 add_to_list (&exports, name);
2520 add_to_list (&destructors, name);
2521 if (which_pass == PASS_OBJ)
2522 add_to_list (&exports, name);
2525 default: /* not a constructor or destructor */
2526 if (which_pass == PASS_OBJ && auto_export)
2527 add_to_list (&exports, name);
2531 #if !defined(EXTENDED_COFF)
2533 fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
2534 symbol.n_scnum, symbol.n_sclass,
2535 (symbol.n_type ? "0" : ""), symbol.n_type,
2539 fprintf (stderr, "\tiss = %5d, value = %5d, index = %5d, name = %s\n",
2540 symbol.iss, symbol.value, symbol.index, name);
2546 (void) ldclose(ldptr);
2549 #endif /* OBJECT_FORMAT_COFF */
2553 * OSF/rose specific stuff.
2556 #ifdef OBJECT_FORMAT_ROSE
2558 /* Union of the various load commands */
2560 typedef union load_union
2562 ldc_header_t hdr; /* common header */
2563 load_cmd_map_command_t map; /* map indexing other load cmds */
2564 interpreter_command_t iprtr; /* interpreter pathname */
2565 strings_command_t str; /* load commands strings section */
2566 region_command_t region; /* region load command */
2567 reloc_command_t reloc; /* relocation section */
2568 package_command_t pkg; /* package load command */
2569 symbols_command_t sym; /* symbol sections */
2570 entry_command_t ent; /* program start section */
2571 gen_info_command_t info; /* object information */
2572 func_table_command_t func; /* function constructors/destructors */
2575 /* Structure to point to load command and data section in memory. */
2577 typedef struct load_all
2579 load_union_t *load; /* load command */
2580 char *section; /* pointer to section */
2583 /* Structure to contain information about a file mapped into memory. */
2587 char *start; /* start of map */
2588 char *name; /* filename */
2589 long size; /* size of the file */
2590 long rounded_size; /* size rounded to page boundary */
2591 int fd; /* file descriptor */
2592 int rw; /* != 0 if opened read/write */
2593 int use_mmap; /* != 0 if mmap'ed */
2596 extern int decode_mach_o_hdr ();
2597 extern int encode_mach_o_hdr ();
2599 static void add_func_table PROTO((mo_header_t *, load_all_t *,
2600 symbol_info_t *, int));
2601 static void print_header PROTO((mo_header_t *));
2602 static void print_load_command PROTO((load_union_t*, size_t, int));
2603 static void bad_header PROTO((int));
2604 static struct file_info *read_file PROTO((char *, int, int));
2605 static void end_file PROTO((struct file_info *));
2607 /* OSF/rose specific version to scan the name list of the loaded
2608 program for the symbols g++ uses for static constructors and
2611 The constructor table begins at __CTOR_LIST__ and contains a count
2612 of the number of pointers (or -1 if the constructors are built in a
2613 separate section by the linker), followed by the pointers to the
2614 constructor functions, terminated with a null pointer. The
2615 destructor table has the same format, and begins at __DTOR_LIST__. */
2618 scan_prog_file (prog_name, which_pass)
2620 enum pass which_pass;
2624 load_all_t *load_array;
2625 load_all_t *load_end;
2626 load_all_t *load_cmd;
2627 int symbol_load_cmds;
2633 struct file_info *obj_file;
2635 mo_lcid_t cmd_strings = -1;
2636 symbol_info_t *main_sym = 0;
2637 int rw = (which_pass != PASS_FIRST);
2639 prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
2641 fatal_perror ("can't read %s", prog_name);
2643 obj_file = read_file (prog_name, prog_fd, rw);
2644 obj = obj_file->start;
2646 status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
2647 if (status != MO_HDR_CONV_SUCCESS)
2648 bad_header (status);
2651 /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
2652 since the hardware will automatically swap bytes for us on loading little endian
2655 #ifndef CROSS_COMPILE
2656 if (hdr.moh_magic != MOH_MAGIC_MSB
2657 || hdr.moh_header_version != MOH_HEADER_VERSION
2658 || hdr.moh_byte_order != OUR_BYTE_ORDER
2659 || hdr.moh_data_rep_id != OUR_DATA_REP_ID
2660 || hdr.moh_cpu_type != OUR_CPU_TYPE
2661 || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
2662 || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
2664 fatal ("incompatibilities between object file & expected values");
2669 print_header (&hdr);
2671 offset = hdr.moh_first_cmd_off;
2672 load_end = load_array
2673 = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
2675 /* Build array of load commands, calculating the offsets */
2676 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2678 load_union_t *load_hdr; /* load command header */
2680 load_cmd = load_end++;
2681 load_hdr = (load_union_t *) (obj + offset);
2683 /* If modifying the program file, copy the header. */
2686 load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
2687 bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size);
2690 /* null out old command map, because we will rewrite at the end. */
2691 if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
2693 cmd_strings = ptr->map.lcm_ld_cmd_strings;
2694 ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
2698 load_cmd->load = load_hdr;
2699 if (load_hdr->hdr.ldci_section_off > 0)
2700 load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
2703 print_load_command (load_hdr, offset, i);
2705 offset += load_hdr->hdr.ldci_cmd_size;
2708 /* If the last command is the load command map and is not undefined,
2709 decrement the count of load commands. */
2710 if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
2713 hdr.moh_n_load_cmds--;
2716 /* Go through and process each symbol table section. */
2717 symbol_load_cmds = 0;
2718 for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
2720 load_union_t *load_hdr = load_cmd->load;
2722 if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
2728 char *kind = "unknown";
2730 switch (load_hdr->sym.symc_kind)
2732 case SYMC_IMPORTS: kind = "imports"; break;
2733 case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
2734 case SYMC_STABS: kind = "stabs"; break;
2737 fprintf (stderr, "\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
2738 symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
2741 if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
2744 str_sect = load_array[load_hdr->sym.symc_strings_section].section;
2745 if (str_sect == (char *)0)
2746 fatal ("string section missing");
2748 if (load_cmd->section == (char *)0)
2749 fatal ("section pointer missing");
2751 num_syms = load_hdr->sym.symc_nentries;
2752 for (i = 0; i < num_syms; i++)
2754 symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
2755 char *name = sym->si_name.symbol_name + str_sect;
2762 char *n = name + strlen (name) - strlen (NAME__MAIN);
2764 if ((n - name) < 0 || strcmp (n, NAME__MAIN))
2774 switch (is_ctor_dtor (name))
2777 add_to_list (&constructors, name);
2781 add_to_list (&destructors, name);
2784 default: /* not a constructor or destructor */
2790 fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
2791 sym->si_type, sym->si_sc_type, sym->si_flags, name);
2796 if (symbol_load_cmds == 0)
2797 fatal ("no symbol table found");
2799 /* Update the program file now, rewrite header and load commands. At present,
2800 we assume that there is enough space after the last load command to insert
2801 one more. Since the first section written out is page aligned, and the
2802 number of load commands is small, this is ok for the present. */
2806 load_union_t *load_map;
2809 if (cmd_strings == -1)
2810 fatal ("no cmd_strings found");
2812 /* Add __main to initializer list.
2813 If we are building a program instead of a shared library, don't
2814 do anything, since in the current version, you cannot do mallocs
2815 and such in the constructors. */
2817 if (main_sym != (symbol_info_t *)0
2818 && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
2819 add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
2822 fprintf (stderr, "\nUpdating header and load commands.\n\n");
2824 hdr.moh_n_load_cmds++;
2825 size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
2827 /* Create new load command map. */
2829 fprintf (stderr, "load command map, %d cmds, new size %ld.\n",
2830 (int)hdr.moh_n_load_cmds, (long)size);
2832 load_map = (load_union_t *) xcalloc (1, size);
2833 load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
2834 load_map->map.ldc_header.ldci_cmd_size = size;
2835 load_map->map.lcm_ld_cmd_strings = cmd_strings;
2836 load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
2837 load_array[hdr.moh_n_load_cmds-1].load = load_map;
2839 offset = hdr.moh_first_cmd_off;
2840 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2842 load_map->map.lcm_map[i] = offset;
2843 if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
2844 hdr.moh_load_map_cmd_off = offset;
2846 offset += load_array[i].load->hdr.ldci_cmd_size;
2849 hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
2852 print_header (&hdr);
2855 status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
2856 if (status != MO_HDR_CONV_SUCCESS)
2857 bad_header (status);
2860 fprintf (stderr, "writing load commands.\n\n");
2862 /* Write load commands */
2863 offset = hdr.moh_first_cmd_off;
2864 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2866 load_union_t *load_hdr = load_array[i].load;
2867 size_t size = load_hdr->hdr.ldci_cmd_size;
2870 print_load_command (load_hdr, offset, i);
2872 bcopy ((char *)load_hdr, (char *)(obj + offset), size);
2877 end_file (obj_file);
2879 if (close (prog_fd))
2880 fatal_perror ("closing %s", prog_name);
2883 fprintf (stderr, "\n");
2887 /* Add a function table to the load commands to call a function
2888 on initiation or termination of the process. */
2891 add_func_table (hdr_p, load_array, sym, type)
2892 mo_header_t *hdr_p; /* pointer to global header */
2893 load_all_t *load_array; /* array of ptrs to load cmds */
2894 symbol_info_t *sym; /* pointer to symbol entry */
2895 int type; /* fntc_type value */
2897 /* Add a new load command. */
2898 int num_cmds = ++hdr_p->moh_n_load_cmds;
2899 int load_index = num_cmds - 1;
2900 size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
2901 load_union_t *ptr = xcalloc (1, size);
2902 load_all_t *load_cmd;
2905 /* Set the unresolved address bit in the header to force the loader to be
2906 used, since kernel exec does not call the initialization functions. */
2907 hdr_p->moh_flags |= MOH_UNRESOLVED_F;
2909 load_cmd = &load_array[load_index];
2910 load_cmd->load = ptr;
2911 load_cmd->section = (char *)0;
2913 /* Fill in func table load command. */
2914 ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
2915 ptr->func.ldc_header.ldci_cmd_size = size;
2916 ptr->func.ldc_header.ldci_section_off = 0;
2917 ptr->func.ldc_header.ldci_section_len = 0;
2918 ptr->func.fntc_type = type;
2919 ptr->func.fntc_nentries = 1;
2921 /* copy address, turn it from abs. address to (region,offset) if necessary. */
2922 /* Is the symbol already expressed as (region, offset)? */
2923 if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
2925 ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
2926 ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
2929 /* If not, figure out which region it's in. */
2932 mo_vm_addr_t addr = sym->si_value.abs_val;
2935 for (i = 0; i < load_index; i++)
2937 if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
2939 region_command_t *region_ptr = &load_array[i].load->region;
2941 if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
2942 && addr >= region_ptr->regc_addr.vm_addr
2943 && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
2945 ptr->func.fntc_entry_loc[0].adr_lcid = i;
2946 ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
2954 fatal ("could not convert 0x%l.8x into a region", addr);
2959 "%s function, region %d, offset = %ld (0x%.8lx)\n",
2960 (type == FNTC_INITIALIZATION) ? "init" : "term",
2961 (int)ptr->func.fntc_entry_loc[i].adr_lcid,
2962 (long)ptr->func.fntc_entry_loc[i].adr_sctoff,
2963 (long)ptr->func.fntc_entry_loc[i].adr_sctoff);
2968 /* Print the global header for an OSF/rose object. */
2971 print_header (hdr_ptr)
2972 mo_header_t *hdr_ptr;
2974 fprintf (stderr, "\nglobal header:\n");
2975 fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
2976 fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
2977 fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
2978 fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
2979 fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
2980 fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
2981 fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
2982 fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
2983 fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
2984 fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
2985 fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
2986 fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
2987 fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
2988 fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
2989 fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
2991 if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
2992 fprintf (stderr, ", relocatable");
2994 if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
2995 fprintf (stderr, ", linkable");
2997 if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
2998 fprintf (stderr, ", execable");
3000 if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
3001 fprintf (stderr, ", executable");
3003 if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
3004 fprintf (stderr, ", unresolved");
3006 fprintf (stderr, "\n\n");
3011 /* Print a short summary of a load command. */
3014 print_load_command (load_hdr, offset, number)
3015 load_union_t *load_hdr;
3019 mo_long_t type = load_hdr->hdr.ldci_cmd_type;
3020 char *type_str = (char *)0;
3024 case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
3025 case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
3026 case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
3027 case LDC_STRINGS: type_str = "STRINGS"; break;
3028 case LDC_REGION: type_str = "REGION"; break;
3029 case LDC_RELOC: type_str = "RELOC"; break;
3030 case LDC_PACKAGE: type_str = "PACKAGE"; break;
3031 case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
3032 case LDC_ENTRY: type_str = "ENTRY"; break;
3033 case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
3034 case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
3038 "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
3040 (long) load_hdr->hdr.ldci_cmd_size,
3042 (long) load_hdr->hdr.ldci_section_off,
3043 (long) load_hdr->hdr.ldci_section_len);
3045 if (type_str == (char *)0)
3046 fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
3048 else if (type != LDC_REGION)
3049 fprintf (stderr, ", ty: %s\n", type_str);
3054 switch (load_hdr->region.regc_usage_type)
3056 case REG_TEXT_T: region = ", .text"; break;
3057 case REG_DATA_T: region = ", .data"; break;
3058 case REG_BSS_T: region = ", .bss"; break;
3059 case REG_GLUE_T: region = ", .glue"; break;
3060 #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
3061 case REG_RDATA_T: region = ", .rdata"; break;
3062 case REG_SDATA_T: region = ", .sdata"; break;
3063 case REG_SBSS_T: region = ", .sbss"; break;
3067 fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
3069 (long) load_hdr->region.regc_vm_addr,
3070 (long) load_hdr->region.regc_vm_size,
3078 /* Fatal error when {en,de}code_mach_o_header fails. */
3084 char *msg = (char *)0;
3088 case MO_ERROR_BAD_MAGIC: msg = "bad magic number"; break;
3089 case MO_ERROR_BAD_HDR_VERS: msg = "bad header version"; break;
3090 case MO_ERROR_BAD_RAW_HDR_VERS: msg = "bad raw header version"; break;
3091 case MO_ERROR_BUF2SML: msg = "raw header buffer too small"; break;
3092 case MO_ERROR_OLD_RAW_HDR_FILE: msg = "old raw header file"; break;
3093 case MO_ERROR_UNSUPPORTED_VERS: msg = "unsupported version"; break;
3096 if (msg == (char *)0)
3097 fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
3103 /* Read a file into a memory buffer. */
3105 static struct file_info *
3106 read_file (name, fd, rw)
3107 char *name; /* filename */
3108 int fd; /* file descriptor */
3109 int rw; /* read/write */
3111 struct stat stat_pkt;
3112 struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
3114 static int page_size;
3117 if (fstat (fd, &stat_pkt) < 0)
3118 fatal_perror ("fstat %s", name);
3121 p->size = stat_pkt.st_size;
3122 p->rounded_size = stat_pkt.st_size;
3128 fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
3131 page_size = sysconf (_SC_PAGE_SIZE);
3133 p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
3134 p->start = mmap ((caddr_t)0,
3135 (rw) ? p->rounded_size : p->size,
3136 (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
3137 MAP_FILE | MAP_VARIABLE | MAP_SHARED,
3141 if (p->start != (char *)0 && p->start != (char *)-1)
3145 #endif /* USE_MMAP */
3150 fprintf (stderr, "read %s\n", name);
3153 p->start = xmalloc (p->size);
3154 if (lseek (fd, 0L, SEEK_SET) < 0)
3155 fatal_perror ("lseek to 0 on %s", name);
3157 len = read (fd, p->start, p->size);
3159 fatal_perror ("read %s", name);
3162 fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
3168 /* Do anything necessary to write a file back from memory. */
3172 struct file_info *ptr; /* file information block */
3180 fprintf (stderr, "msync %s\n", ptr->name);
3182 if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
3183 fatal_perror ("msync %s", ptr->name);
3187 fprintf (stderr, "munmap %s\n", ptr->name);
3189 if (munmap (ptr->start, ptr->size))
3190 fatal_perror ("munmap %s", ptr->name);
3193 #endif /* USE_MMAP */
3200 fprintf (stderr, "write %s\n", ptr->name);
3202 if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
3203 fatal_perror ("lseek to 0 on %s", ptr->name);
3205 len = write (ptr->fd, ptr->start, ptr->size);
3207 fatal_perror ("read %s", ptr->name);
3209 if (len != ptr->size)
3210 fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
3219 #endif /* OBJECT_FORMAT_ROSE */