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, 675 Mass Ave, Cambridge, MA 02139, USA. */
27 /* Build tables of static constructors and destructors and run ld. */
30 #include <sys/types.h>
52 extern const char *const sys_errlist[];
54 extern char *sys_errlist[];
61 /* Obstack allocation and deallocation routines. */
62 #define obstack_chunk_alloc xmalloc
63 #define obstack_chunk_free free
65 #if !defined (__STDC__) && !defined (const)
73 /* Add prototype support. */
75 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
76 #define PROTO(ARGS) ARGS
78 #define PROTO(ARGS) ()
89 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
92 #define WTERMSIG(S) ((S) & 0x7f)
95 #define WIFEXITED(S) (((S) & 0xff) == 0)
98 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
101 /* On MSDOS, write temp files in current dir
102 because there's no place else we can expect to use. */
105 #define P_tmpdir "./"
109 /* On certain systems, we have code that works by scanning the object file
110 directly. But this code uses system-specific header files and library
111 functions, so turn it off in a cross-compiler. Likewise, the names of
112 the utilities aren't correct for a cross-compiler; we have to hope that
113 cross-versions are in the proper directories. */
116 #undef SUNOS4_SHARED_LIBRARIES
117 #undef OBJECT_FORMAT_COFF
118 #undef OBJECT_FORMAT_ROSE
119 #undef MD_EXEC_PREFIX
120 #undef REAL_LD_FILE_NAME
121 #undef REAL_NM_FILE_NAME
122 #undef REAL_STRIP_FILE_NAME
125 /* If we can't use a special method, use the ordinary one:
126 run nm to find what symbols are present.
127 In a cross-compiler, this means you need a cross nm,
128 but that isn't quite as unpleasant as special headers. */
130 #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
131 #define OBJECT_FORMAT_NONE
134 #ifdef OBJECT_FORMAT_COFF
143 /* Many versions of ldfcn.h define these. */
151 /* Some systems have an ISCOFF macro, but others do not. In some cases
152 the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
153 that either do not have an ISCOFF macro in /usr/include or for those
154 where it is wrong. */
157 #define MY_ISCOFF(X) ISCOFF (X)
160 #endif /* OBJECT_FORMAT_COFF */
162 #ifdef OBJECT_FORMAT_ROSE
169 #include <sys/mman.h>
173 #include <mach_o_format.h>
174 #include <mach_o_header.h>
175 #include <mach_o_vals.h>
176 #include <mach_o_types.h>
178 #endif /* OBJECT_FORMAT_ROSE */
180 #ifdef OBJECT_FORMAT_NONE
182 /* Default flags to pass to nm. */
184 #define NM_FLAGS "-p"
187 #endif /* OBJECT_FORMAT_NONE */
189 /* Some systems use __main in a way incompatible with its use in gcc, in these
190 cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
191 give the same symbol without quotes for an alternative entry point. You
192 must define both, or neither. */
194 #define NAME__MAIN "__main"
195 #define SYMBOL__MAIN __main
198 #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
199 #define SCAN_LIBRARIES
203 int do_collecting = 1;
205 int do_collecting = 0;
208 /* Linked lists of constructor and destructor names. */
224 /* Enumeration giving which pass this is for scanning the program file. */
227 PASS_FIRST, /* without constructors */
228 PASS_OBJ, /* individual objects */
229 PASS_LIB, /* looking for shared libraries */
230 PASS_SECOND /* with constructors linked in */
233 #ifndef NO_SYS_SIGLIST
234 #ifndef DONT_DECLARE_SYS_SIGLIST
235 extern char *sys_siglist[];
238 extern char *version_string;
240 int vflag; /* true if -v */
241 static int rflag; /* true if -r */
242 static int strip_flag; /* true if -s */
244 int debug; /* true if -debug */
246 static int shared_obj; /* true if -shared */
248 static int temp_filename_length; /* Length of temp_filename */
249 static char *temp_filename; /* Base of temp filenames */
250 static char *c_file; /* <xxx>.c for constructor/destructor list. */
251 static char *o_file; /* <xxx>.o for constructor/destructor list. */
252 static char *export_file; /* <xxx>.x for AIX export list. */
253 static int auto_export = 1; /* true if exporting everything. */
254 char *ldout; /* File for ld errors. */
255 static char *output_file; /* Output file for ld. */
256 static char *nm_file_name; /* pathname of nm */
257 static char *ldd_file_name; /* pathname of ldd (or equivalent) */
258 static char *strip_file_name; /* pathname of strip */
259 char *c_file_name; /* pathname of gcc */
260 static char *initname, *fininame; /* names of init and fini funcs */
262 static struct head constructors; /* list of constructors found */
263 static struct head destructors; /* list of destructors found */
264 static struct head exports; /* list of exported symbols */
266 struct obstack temporary_obstack;
267 struct obstack permanent_obstack;
268 char * temporary_firstobj;
270 /* Defined in the automatically-generated underscore.c. */
271 extern int prepends_underscore;
273 extern char *getenv ();
274 extern char *mktemp ();
275 extern FILE *fdopen ();
277 /* Structure to hold all the directories in which to search for files to
282 char *prefix; /* String to prepend to the path. */
283 struct prefix_list *next; /* Next in linked list. */
288 struct prefix_list *plist; /* List of prefixes to try */
289 int max_len; /* Max length of a prefix in PLIST */
290 char *name; /* Name of this list (used in config stuff) */
293 void collect_exit PROTO((int));
294 void collect_execute PROTO((char *, char **, char *));
295 void dump_file PROTO((char *));
296 static void handler PROTO((int));
297 static int is_ctor_dtor PROTO((char *));
298 static void choose_temp_base PROTO((void));
299 static int is_in_prefix_list PROTO((struct path_prefix *, char *, int));
300 static char *find_a_file PROTO((struct path_prefix *, char *));
301 static void add_prefix PROTO((struct path_prefix *, char *));
302 static void prefix_from_env PROTO((char *, struct path_prefix *));
303 static void prefix_from_string PROTO((char *, struct path_prefix *));
304 static void do_wait PROTO((char *));
305 static void fork_execute PROTO((char *, char **));
306 static void maybe_unlink PROTO((char *));
307 static void add_to_list PROTO((struct head *, char *));
308 static void write_list PROTO((FILE *, char *, struct id *));
309 static void write_list_with_asm PROTO((FILE *, char *, struct id *));
310 static void write_c_file PROTO((FILE *, char *));
311 static void write_export_file PROTO((FILE *));
312 static void scan_prog_file PROTO((char *, enum pass));
313 static void scan_libraries PROTO((char *));
318 extern char *index ();
319 extern char *rindex ();
335 while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
338 close (fdtmp[--fdx]);
354 static char buffer[30];
358 if (e > 0 && e < sys_nerr)
359 return sys_errlist[e];
361 sprintf (buffer, "Unknown error %d", e);
366 /* Delete tempfiles and exit function. */
369 collect_exit (status)
372 if (c_file != 0 && c_file[0])
373 maybe_unlink (c_file);
375 if (o_file != 0 && o_file[0])
376 maybe_unlink (o_file);
378 if (export_file != 0 && export_file[0])
379 maybe_unlink (export_file);
381 if (ldout != 0 && ldout[0])
384 maybe_unlink (ldout);
387 if (status != 0 && output_file != 0 && output_file[0])
388 maybe_unlink (output_file);
394 /* Die when sys call fails. */
397 fatal_perror (string, arg1, arg2, arg3)
398 char *string, *arg1, *arg2, *arg3;
402 fprintf (stderr, "collect2: ");
403 fprintf (stderr, string, arg1, arg2, arg3);
404 fprintf (stderr, ": %s\n", my_strerror (e));
411 fatal (string, arg1, arg2, arg3)
412 char *string, *arg1, *arg2, *arg3;
414 fprintf (stderr, "collect2: ");
415 fprintf (stderr, string, arg1, arg2, arg3);
416 fprintf (stderr, "\n");
420 /* Write error message. */
423 error (string, arg1, arg2, arg3, arg4)
424 char *string, *arg1, *arg2, *arg3, *arg4;
426 fprintf (stderr, "collect2: ");
427 fprintf (stderr, string, arg1, arg2, arg3, arg4);
428 fprintf (stderr, "\n");
431 /* In case obstack is linked in, and abort is defined to fancy_abort,
432 provide a default entry. */
437 fatal ("internal error");
445 if (c_file != 0 && c_file[0])
446 maybe_unlink (c_file);
448 if (o_file != 0 && o_file[0])
449 maybe_unlink (o_file);
451 if (ldout != 0 && ldout[0])
452 maybe_unlink (ldout);
454 signal (signo, SIG_DFL);
455 kill (getpid (), signo);
460 xcalloc (size1, size2)
463 char *ptr = (char *) calloc (size1, size2);
467 fatal ("out of memory");
475 char *ptr = (char *) malloc (size);
479 fatal ("out of memory");
488 register char *value = (char *) realloc (ptr, size);
490 fatal ("virtual memory exhausted");
498 return access (name, R_OK) == 0;
501 /* Make a copy of a string INPUT with size SIZE. */
504 savestring (input, size)
508 char *output = (char *) xmalloc (size + 1);
509 bcopy (input, output, size);
518 FILE *stream = fopen (name, "r");
519 int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
526 while (c = getc (stream),
527 c != EOF && (isalnum (c) || c == '_' || c == '$' || c == '.'))
528 obstack_1grow (&temporary_obstack, c);
529 if (obstack_object_size (&temporary_obstack) > 0)
531 char *word, *p, *result;
532 obstack_1grow (&temporary_obstack, '\0');
533 word = obstack_finish (&temporary_obstack);
536 ++word, putc ('.', stderr);
538 if (*p == '_' && prepends_underscore)
544 result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI);
549 fputs (result, stderr);
551 diff = strlen (word) - strlen (result);
553 --diff, putc (' ', stderr);
554 while (diff < 0 && c == ' ')
555 ++diff, c = getc (stream);
560 fputs (word, stderr);
563 obstack_free (&temporary_obstack, temporary_firstobj);
571 /* Decide whether the given symbol is:
572 a constructor (1), a destructor (2), or neither (0). */
578 struct names { char *name; int len; int ret; int two_underscores; };
580 register struct names *p;
582 register char *orig_s = s;
584 static struct names special[] = {
585 #ifdef NO_DOLLAR_IN_LABEL
586 #ifdef NO_DOT_IN_LABEL
587 { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
588 { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
590 { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 },
591 { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 },
594 { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 },
595 { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 },
597 { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
598 { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
599 #ifdef CFRONT_LOSSAGE /* Don't collect cfront initialization functions.
600 cfront has its own linker procedure to collect them;
601 if collect2 gets them too, they get collected twice
602 when the cfront procedure is run and the compiler used
603 for linking happens to be GCC. */
604 { "sti__", sizeof ("sti__")-1, 1, 1 },
605 { "std__", sizeof ("std__")-1, 2, 1 },
606 #endif /* CFRONT_LOSSAGE */
610 while ((ch = *s) == '_')
616 for (p = &special[0]; p->len > 0; p++)
619 && (!p->two_underscores || ((s - orig_s) >= 2))
620 && strncmp(s, p->name, p->len) == 0)
629 /* Compute a string to use as the base of all temporary file names.
630 It is substituted for %g. */
635 char *base = getenv ("TMPDIR");
638 if (base == (char *)0)
641 if (access (P_tmpdir, R_OK | W_OK) == 0)
644 if (base == (char *)0)
646 if (access ("/usr/tmp", R_OK | W_OK) == 0)
654 temp_filename = xmalloc (len + sizeof("/ccXXXXXX") + 1);
655 strcpy (temp_filename, base);
656 if (len > 0 && temp_filename[len-1] != '/')
657 temp_filename[len++] = '/';
658 strcpy (temp_filename + len, "ccXXXXXX");
660 mktemp (temp_filename);
661 temp_filename_length = strlen (temp_filename);
664 /* Routine to add variables to the environment. */
672 #ifndef VMS /* nor about VMS */
674 extern char **environ;
675 char **old_environ = environ;
682 while ((ch = *p++) != '\0' && ch != '=')
688 /* Search for replacing an existing environment variable, and
689 count the number of total environment variables. */
690 for (envp = old_environ; *envp; envp++)
693 if (!strncmp (str, *envp, name_len))
700 /* Add a new environment variable */
701 environ = (char **) xmalloc (sizeof (char *) * (num_envs+2));
703 bcopy ((char *) old_environ, (char *) (environ + 1),
704 sizeof (char *) * (num_envs+1));
710 #endif /* HAVE_PUTENV */
712 /* By default, colon separates directories in a path. */
713 #ifndef PATH_SEPARATOR
714 #define PATH_SEPARATOR ':'
717 /* We maintain two prefix lists: one from COMPILER_PATH environment variable
718 and one from the PATH variable. */
720 static struct path_prefix cpath, path;
723 /* This is the name of the target machine. We use it to form the name
724 of the files to execute. */
726 static char *target_machine = TARGET_MACHINE;
729 /* Names under which we were executed. Never return one of those files in our
732 static struct path_prefix our_file_names;
734 /* Determine if STRING is in PPREFIX.
736 This utility is currently only used to look up file names. Prefix lists
737 record directory names. This matters to us because the latter has a
738 trailing slash, so I've added a flag to handle both. */
741 is_in_prefix_list (pprefix, string, filep)
742 struct path_prefix *pprefix;
746 struct prefix_list *pl;
750 int len = strlen (string);
752 for (pl = pprefix->plist; pl; pl = pl->next)
754 if (strncmp (pl->prefix, string, len) == 0
755 && strcmp (pl->prefix + len, "/") == 0)
761 for (pl = pprefix->plist; pl; pl = pl->next)
763 if (strcmp (pl->prefix, string) == 0)
771 /* Search for NAME using prefix list PPREFIX. We only look for executable
774 Return 0 if not found, otherwise return its name, allocated with malloc. */
777 find_a_file (pprefix, name)
778 struct path_prefix *pprefix;
782 struct prefix_list *pl;
783 int len = pprefix->max_len + strlen (name) + 1;
785 #ifdef EXECUTABLE_SUFFIX
786 len += strlen (EXECUTABLE_SUFFIX);
789 temp = xmalloc (len);
791 /* Determine the filename to execute (special case for absolute paths). */
795 if (access (name, X_OK) == 0)
802 for (pl = pprefix->plist; pl; pl = pl->next)
804 strcpy (temp, pl->prefix);
806 if (! is_in_prefix_list (&our_file_names, temp, 1)
807 /* This is a kludge, but there seems no way around it. */
808 && strcmp (temp, "./ld") != 0
809 && access (temp, X_OK) == 0)
812 #ifdef EXECUTABLE_SUFFIX
813 /* Some systems have a suffix for executable files.
814 So try appending that. */
815 strcat (temp, EXECUTABLE_SUFFIX);
816 if (! is_in_prefix_list (&our_file_names, temp, 1)
817 && access (temp, X_OK) == 0)
826 /* Add an entry for PREFIX to prefix list PPREFIX. */
829 add_prefix (pprefix, prefix)
830 struct path_prefix *pprefix;
833 struct prefix_list *pl, **prev;
838 for (pl = pprefix->plist; pl->next; pl = pl->next)
843 prev = &pprefix->plist;
845 /* Keep track of the longest prefix */
847 len = strlen (prefix);
848 if (len > pprefix->max_len)
849 pprefix->max_len = len;
851 pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
852 pl->prefix = savestring (prefix, len);
857 pl->next = (struct prefix_list *) 0;
861 /* Take the value of the environment variable ENV, break it into a path, and
862 add of the entries to PPREFIX. */
865 prefix_from_env (env, pprefix)
867 struct path_prefix *pprefix;
869 char *p = getenv (env);
872 prefix_from_string (p, pprefix);
876 prefix_from_string (p, pprefix)
878 struct path_prefix *pprefix;
881 char *nstore = (char *) xmalloc (strlen (p) + 3);
886 if (*endp == PATH_SEPARATOR || *endp == 0)
888 strncpy (nstore, startp, endp-startp);
891 strcpy (nstore, "./");
893 else if (endp[-1] != '/')
895 nstore[endp-startp] = '/';
896 nstore[endp-startp+1] = 0;
899 nstore[endp-startp] = 0;
901 add_prefix (pprefix, nstore);
904 endp = startp = endp + 1;
918 char *ld_suffix = "ld";
919 char *full_ld_suffix = ld_suffix;
920 char *real_ld_suffix = "real-ld";
921 char *full_real_ld_suffix = real_ld_suffix;
922 char *collect_ld_suffix = "collect-ld";
923 char *nm_suffix = "nm";
924 char *full_nm_suffix = nm_suffix;
925 char *gnm_suffix = "gnm";
926 char *full_gnm_suffix = gnm_suffix;
928 char *ldd_suffix = LDD_SUFFIX;
929 char *full_ldd_suffix = ldd_suffix;
931 char *strip_suffix = "strip";
932 char *full_strip_suffix = strip_suffix;
933 char *gstrip_suffix = "gstrip";
934 char *full_gstrip_suffix = gstrip_suffix;
936 FILE *outf, *exportf;
943 char **ld1_argv = (char **) xcalloc (sizeof (char *), argc+3);
944 char **ld1 = ld1_argv;
945 char **ld2_argv = (char **) xcalloc (sizeof (char *), argc+6);
946 char **ld2 = ld2_argv;
947 char **object_lst = (char **) xcalloc (sizeof (char *), argc);
948 char **object = object_lst;
950 int num_c_args = argc+7;
957 output_file = "a.out";
959 obstack_begin (&temporary_obstack, 0);
960 obstack_begin (&permanent_obstack, 0);
961 temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
962 current_demangling_style = gnu_demangling;
964 /* We must check that we do not call ourselves in an infinite
965 recursion loop. We append the name used for us to the COLLECT_NAMES
966 environment variable.
968 In practice, collect will rarely invoke itself. This can happen now
969 that we are no longer called gld. A perfect example is when running
970 gcc in a build directory that has been installed. When looking for
971 ld's, we'll find our installed version and believe that's the real ld. */
973 /* We must also append COLLECT_NAME to COLLECT_NAMES to watch for the
974 previous version of collect (the one that used COLLECT_NAME and only
975 handled two levels of recursion). If we don't we may mutually recurse
976 forever. This can happen (I think) when bootstrapping the old version
977 and a new one is installed (rare, but we should handle it).
978 ??? Hopefully references to COLLECT_NAME can be removed at some point. */
980 collect_name = (char *) getenv ("COLLECT_NAME");
981 collect_names = (char *) getenv ("COLLECT_NAMES");
983 p = (char *) xmalloc (strlen ("COLLECT_NAMES=")
984 + (collect_name ? strlen (collect_name) + 1 : 0)
985 + (collect_names ? strlen (collect_names) + 1 : 0)
986 + strlen (argv[0]) + 1);
987 strcpy (p, "COLLECT_NAMES=");
988 if (collect_name != 0)
989 sprintf (p + strlen (p), "%s%c", collect_name, PATH_SEPARATOR);
990 if (collect_names != 0)
991 sprintf (p + strlen (p), "%s%c", collect_names, PATH_SEPARATOR);
995 prefix_from_env ("COLLECT_NAMES", &our_file_names);
997 /* Set environment variable COLLECT_NAME to our name so the previous version
998 of collect won't find us. If it does we'll mutually recurse forever.
999 This can happen when bootstrapping the new version and an old version is
1001 ??? Hopefully this bit of code can be removed at some point. */
1003 p = xmalloc (strlen ("COLLECT_NAME=") + strlen (argv[0]) + 1);
1004 sprintf (p, "COLLECT_NAME=%s", argv[0]);
1007 p = (char *) getenv ("COLLECT_GCC_OPTIONS");
1012 while (*q && *q != ' ') q++;
1013 if (*p == '-' && p[1] == 'm')
1020 c_ptr = c_argv = (char **) xcalloc (sizeof (char *), num_c_args);
1023 fatal ("no arguments");
1026 if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
1027 signal (SIGQUIT, handler);
1029 if (signal (SIGINT, SIG_IGN) != SIG_IGN)
1030 signal (SIGINT, handler);
1032 if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
1033 signal (SIGALRM, handler);
1036 if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
1037 signal (SIGHUP, handler);
1039 if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
1040 signal (SIGSEGV, handler);
1042 if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
1043 signal (SIGBUS, handler);
1046 /* Extract COMPILER_PATH and PATH into our prefix list. */
1047 prefix_from_env ("COMPILER_PATH", &cpath);
1048 prefix_from_env ("PATH", &path);
1050 #ifdef CROSS_COMPILE
1051 /* If we look for a program in the compiler directories, we just use
1052 the short name, since these directories are already system-specific.
1053 But it we look for a took in the system directories, we need to
1054 qualify the program name with the target machine. */
1057 = xcalloc (strlen (ld_suffix) + strlen (target_machine) + 2, 1);
1058 strcpy (full_ld_suffix, target_machine);
1059 strcat (full_ld_suffix, "-");
1060 strcat (full_ld_suffix, ld_suffix);
1063 = xcalloc (strlen (real_ld_suffix) + strlen (target_machine) + 2, 1);
1064 strcpy (full_real_ld_suffix, target_machine);
1065 strcat (full_real_ld_suffix, "-");
1066 strcat (full_real_ld_suffix, real_ld_suffix);
1070 = xcalloc (strlen (gld_suffix) + strlen (target_machine) + 2, 1);
1071 strcpy (full_gld_suffix, target_machine);
1072 strcat (full_gld_suffix, "-");
1073 strcat (full_gld_suffix, gld_suffix);
1077 = xcalloc (strlen (nm_suffix) + strlen (target_machine) + 2, 1);
1078 strcpy (full_nm_suffix, target_machine);
1079 strcat (full_nm_suffix, "-");
1080 strcat (full_nm_suffix, nm_suffix);
1083 = xcalloc (strlen (gnm_suffix) + strlen (target_machine) + 2, 1);
1084 strcpy (full_gnm_suffix, target_machine);
1085 strcat (full_gnm_suffix, "-");
1086 strcat (full_gnm_suffix, gnm_suffix);
1090 = xcalloc (strlen (ldd_suffix) + strlen (target_machine) + 2, 1);
1091 strcpy (full_ldd_suffix, target_machine);
1092 strcat (full_ldd_suffix, "-");
1093 strcat (full_ldd_suffix, ldd_suffix);
1097 = xcalloc (strlen (strip_suffix) + strlen (target_machine) + 2, 1);
1098 strcpy (full_strip_suffix, target_machine);
1099 strcat (full_strip_suffix, "-");
1100 strcat (full_strip_suffix, strip_suffix);
1103 = xcalloc (strlen (gstrip_suffix) + strlen (target_machine) + 2, 1);
1104 strcpy (full_gstrip_suffix, target_machine);
1105 strcat (full_gstrip_suffix, "-");
1106 strcat (full_gstrip_suffix, gstrip_suffix);
1107 #endif /* CROSS_COMPILE */
1109 /* Try to discover a valid linker/nm/strip to use. */
1111 /* Maybe we know the right file to use (if not cross). */
1112 #ifdef REAL_LD_FILE_NAME
1113 ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
1114 if (ld_file_name == 0)
1116 /* Search the (target-specific) compiler dirs for ld'. */
1117 ld_file_name = find_a_file (&cpath, real_ld_suffix);
1118 /* Likewise for `collect-ld'. */
1119 if (ld_file_name == 0)
1120 ld_file_name = find_a_file (&cpath, collect_ld_suffix);
1121 /* Search the compiler directories for `ld'. We have protection against
1122 recursive calls in find_a_file. */
1123 if (ld_file_name == 0)
1124 ld_file_name = find_a_file (&cpath, ld_suffix);
1125 /* Search the ordinary system bin directories
1126 for `ld' (if native linking) or `TARGET-ld' (if cross). */
1127 if (ld_file_name == 0)
1128 ld_file_name = find_a_file (&path, full_ld_suffix);
1130 /* If we've invoked ourselves, try again with LD_FILE_NAME. */
1132 if (collect_names != 0)
1134 if (ld_file_name != 0)
1136 argv[0] = ld_file_name;
1137 execvp (argv[0], argv);
1139 fatal ("cannot find `ld'");
1142 #ifdef REAL_NM_FILE_NAME
1143 nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
1144 if (nm_file_name == 0)
1146 nm_file_name = find_a_file (&cpath, gnm_suffix);
1147 if (nm_file_name == 0)
1148 nm_file_name = find_a_file (&path, full_gnm_suffix);
1149 if (nm_file_name == 0)
1150 nm_file_name = find_a_file (&cpath, nm_suffix);
1151 if (nm_file_name == 0)
1152 nm_file_name = find_a_file (&path, full_nm_suffix);
1155 ldd_file_name = find_a_file (&cpath, ldd_suffix);
1156 if (ldd_file_name == 0)
1157 ldd_file_name = find_a_file (&path, full_ldd_suffix);
1160 #ifdef REAL_STRIP_FILE_NAME
1161 strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
1162 if (strip_file_name == 0)
1164 strip_file_name = find_a_file (&cpath, gstrip_suffix);
1165 if (strip_file_name == 0)
1166 strip_file_name = find_a_file (&path, full_gstrip_suffix);
1167 if (strip_file_name == 0)
1168 strip_file_name = find_a_file (&cpath, strip_suffix);
1169 if (strip_file_name == 0)
1170 strip_file_name = find_a_file (&path, full_strip_suffix);
1172 /* Determine the full path name of the C compiler to use. */
1173 c_file_name = getenv ("COLLECT_GCC");
1174 if (c_file_name == 0)
1176 #ifdef CROSS_COMPILE
1177 c_file_name = xcalloc (sizeof ("gcc-") + strlen (target_machine) + 1, 1);
1178 strcpy (c_file_name, target_machine);
1179 strcat (c_file_name, "-gcc");
1181 c_file_name = "gcc";
1185 p = find_a_file (&cpath, c_file_name);
1187 /* Here it should be safe to use the system search path since we should have
1188 already qualified the name of the compiler when it is needed. */
1190 p = find_a_file (&path, c_file_name);
1195 *ld1++ = *ld2++ = ld_file_name;
1197 /* Make temp file names. */
1198 choose_temp_base ();
1199 c_file = xcalloc (temp_filename_length + sizeof (".c"), 1);
1200 o_file = xcalloc (temp_filename_length + sizeof (".o"), 1);
1201 export_file = xmalloc (temp_filename_length + sizeof (".x"));
1202 ldout = xmalloc (temp_filename_length + sizeof (".ld"));
1203 sprintf (ldout, "%s.ld", temp_filename);
1204 sprintf (c_file, "%s.c", temp_filename);
1205 sprintf (o_file, "%s.o", temp_filename);
1206 sprintf (export_file, "%s.x", temp_filename);
1207 *c_ptr++ = c_file_name;
1212 /* !!! When GCC calls collect2,
1213 it does not know whether it is calling collect2 or ld.
1214 So collect2 cannot meaningfully understand any options
1215 except those ld understands.
1216 If you propose to make GCC pass some other option,
1217 just imagine what will happen if ld is really ld!!! */
1219 /* Parse arguments. Remember output file spec, pass the rest to ld. */
1220 /* After the first file, put in the c++ rt0. */
1223 while ((arg = *++argv) != (char *)0)
1225 *ld1++ = *ld2++ = arg;
1232 if (!strcmp (arg, "-debug"))
1241 #ifdef COLLECT_EXPORT_LIST
1243 if ((!strncmp (arg, "-bE:", 4)
1244 || !strncmp (arg, "-bexport:", 9))
1245 && strcmp (arg, "-bexport:/usr/lib/libg.exp"))
1253 /* place o_file BEFORE this argument! */
1263 output_file = *ld1++ = *ld2++ = *++argv;
1265 output_file = &arg[2];
1274 if (arg[2] == '\0' && do_collecting)
1276 /* We must strip after the nm run, otherwise C++ linking
1277 won't work. Thus we strip in the second ld run, or
1278 else with strip if there is no second ld run. */
1290 else if ((p = rindex (arg, '.')) != (char *)0
1291 && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0))
1300 /* place o_file BEFORE this argument! */
1311 /* Get any options that the upper GCC wants to pass to the sub-GCC. */
1312 p = (char *) getenv ("COLLECT_GCC_OPTIONS");
1317 while (*q && *q != ' ') q++;
1318 if (*p == '-' && (p[1] == 'm' || p[1] == 'f'))
1319 *c_ptr++ = savestring (p, q - p);
1320 if (strncmp (p, "-shared", sizeof ("shared") - 1) == 0)
1327 #ifdef COLLECT_EXPORT_LIST
1328 /* The AIX linker will discard static constructors in object files if
1329 nothing else in the file is referenced, so look at them first. */
1330 while (object_lst < object)
1331 scan_prog_file (*object_lst++, PASS_OBJ);
1334 char *buf = alloca (strlen (export_file) + 5);
1335 sprintf (buf, "-bE:%s", export_file);
1338 exportf = fopen (export_file, "w");
1339 if (exportf == (FILE *)0)
1340 fatal_perror ("%s", export_file);
1341 write_export_file (exportf);
1342 if (fclose (exportf))
1343 fatal_perror ("closing %s", export_file);
1348 *object = *c_ptr = *ld1 = (char *)0;
1352 fprintf (stderr, "collect2 version %s", version_string);
1353 #ifdef TARGET_VERSION
1356 fprintf (stderr, "\n");
1362 fprintf (stderr, "ld_file_name = %s\n",
1363 (ld_file_name ? ld_file_name : "not found"));
1364 fprintf (stderr, "c_file_name = %s\n",
1365 (c_file_name ? c_file_name : "not found"));
1366 fprintf (stderr, "nm_file_name = %s\n",
1367 (nm_file_name ? nm_file_name : "not found"));
1369 fprintf (stderr, "ldd_file_name = %s\n",
1370 (ldd_file_name ? ldd_file_name : "not found"));
1372 fprintf (stderr, "strip_file_name = %s\n",
1373 (strip_file_name ? strip_file_name : "not found"));
1374 fprintf (stderr, "c_file = %s\n",
1375 (c_file ? c_file : "not found"));
1376 fprintf (stderr, "o_file = %s\n",
1377 (o_file ? o_file : "not found"));
1379 ptr = getenv ("COLLECT_NAMES");
1381 fprintf (stderr, "COLLECT_NAMES = %s\n", ptr);
1383 ptr = getenv ("COLLECT_GCC_OPTIONS");
1385 fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
1387 ptr = getenv ("COLLECT_GCC");
1389 fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
1391 ptr = getenv ("COMPILER_PATH");
1393 fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
1395 ptr = getenv ("LIBRARY_PATH");
1397 fprintf (stderr, "LIBRARY_PATH = %s\n", ptr);
1399 fprintf (stderr, "\n");
1402 /* Load the program, searching all libraries. */
1404 collect_execute ("ld", ld1_argv, ldout);
1409 /* If -r or they'll be run via some other method, don't build the
1410 constructor or destructor list, just return now. */
1411 if (rflag || ! do_collecting)
1414 /* Examine the namelist with nm and search it for static constructors
1415 and destructors to call.
1416 Write the constructor and destructor tables to a .s file and reload. */
1418 scan_prog_file (output_file, PASS_FIRST);
1420 #ifdef SCAN_LIBRARIES
1421 scan_libraries (output_file);
1426 fprintf (stderr, "%d constructor(s) found\n", constructors.number);
1427 fprintf (stderr, "%d destructor(s) found\n", destructors.number);
1430 if (constructors.number == 0 && destructors.number == 0
1432 /* If we will be running these functions ourselves, we want to emit
1433 stubs into the shared library so that we don't have to relink
1434 dependent programs when we add static objects. */
1439 /* Strip now if it was requested on the command line. */
1442 char **strip_argv = (char **) xcalloc (sizeof (char *), 3);
1443 strip_argv[0] = strip_file_name;
1444 strip_argv[1] = output_file;
1445 strip_argv[2] = (char *) 0;
1446 fork_execute ("strip", strip_argv);
1451 maybe_unlink(output_file);
1452 outf = fopen (c_file, "w");
1453 if (outf == (FILE *)0)
1454 fatal_perror ("%s", c_file);
1456 write_c_file (outf, c_file);
1459 fatal_perror ("closing %s", c_file);
1461 /* Tell the linker that we have initializer and finalizer functions. */
1462 #ifdef LD_INIT_SWITCH
1463 *ld2++ = LD_INIT_SWITCH;
1465 *ld2++ = LD_FINI_SWITCH;
1470 #ifdef COLLECT_EXPORT_LIST
1473 add_to_list (&exports, initname);
1474 add_to_list (&exports, fininame);
1475 add_to_list (&exports, "_GLOBAL__DI");
1476 add_to_list (&exports, "_GLOBAL__DD");
1477 exportf = fopen (export_file, "w");
1478 if (exportf == (FILE *)0)
1479 fatal_perror ("%s", export_file);
1480 write_export_file (exportf);
1481 if (fclose (exportf))
1482 fatal_perror ("closing %s", export_file);
1488 fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
1489 output_file, c_file);
1490 write_c_file (stderr, "stderr");
1491 fprintf (stderr, "========== end of c_file\n\n");
1492 #ifdef COLLECT_EXPORT_LIST
1493 fprintf (stderr, "\n========== export_file = %s\n", export_file);
1494 write_export_file (stderr);
1495 fprintf (stderr, "========== end of export_file\n\n");
1499 /* Assemble the constructor and destructor tables.
1500 Link the tables in with the rest of the program. */
1502 fork_execute ("gcc", c_argv);
1503 fork_execute ("ld", ld2_argv);
1505 /* Let scan_prog_file do any final mods (OSF/rose needs this for
1506 constructors/destructors in shared libraries. */
1507 scan_prog_file (output_file, PASS_SECOND);
1509 maybe_unlink (c_file);
1510 maybe_unlink (o_file);
1511 maybe_unlink (export_file);
1516 /* Wait for a process to finish, and exit if a non-zero status is found. */
1527 if (WIFSIGNALED (status))
1529 int sig = WTERMSIG (status);
1530 #ifdef NO_SYS_SIGLIST
1531 error ("%s terminated with signal %d %s",
1534 (status & 0200) ? ", core dumped" : "");
1536 error ("%s terminated with signal %d [%s]%s",
1540 (status & 0200) ? ", core dumped" : "");
1546 if (WIFEXITED (status))
1547 return WEXITSTATUS (status);
1556 int ret = collect_wait (prog);
1559 error ("%s returned %d exit status", prog, ret);
1565 /* Fork and execute a program, and wait for the reply. */
1568 collect_execute (prog, argv, redir)
1581 fprintf (stderr, "%s", argv[0]);
1583 fprintf (stderr, "[cannot find %s]", prog);
1585 for (p_argv = &argv[1]; (str = *p_argv) != (char *)0; p_argv++)
1586 fprintf (stderr, " %s", str);
1588 fprintf (stderr, "\n");
1594 /* If we can't find a program we need, complain error. Do this here
1595 since we might not end up needing something that we couldn't find. */
1598 fatal ("cannot find `%s'", prog);
1604 fatal_perror ("fork");
1606 fatal_perror ("vfork");
1610 if (pid == 0) /* child context */
1615 if (freopen (redir, "a", stdout) == NULL)
1616 fatal_perror ("redirecting stdout");
1617 if (freopen (redir, "a", stderr) == NULL)
1618 fatal_perror ("redirecting stderr");
1621 execvp (argv[0], argv);
1622 fatal_perror ("executing %s", prog);
1627 fork_execute (prog, argv)
1631 collect_execute (prog, argv, NULL);
1635 /* Unlink a file unless we are debugging. */
1644 fprintf (stderr, "[Leaving %s]\n", file);
1648 /* Add a name to a linked list. */
1651 add_to_list (head_ptr, name)
1652 struct head *head_ptr;
1656 = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
1658 static long sequence_number = 0;
1659 strcpy (newid->name, name);
1661 if (head_ptr->first)
1662 head_ptr->last->next = newid;
1664 head_ptr->first = newid;
1666 /* Check for duplicate symbols. */
1667 for (p = head_ptr->first;
1668 strcmp (name, p->name) != 0;
1673 head_ptr->last->next = 0;
1678 newid->sequence = ++sequence_number;
1679 head_ptr->last = newid;
1683 /* Write: `prefix', the names on list LIST, `suffix'. */
1686 write_list (stream, prefix, list)
1693 fprintf (stream, "%sx%d,\n", prefix, list->sequence);
1699 write_list_with_asm (stream, prefix, list)
1706 fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
1707 prefix, list->sequence, list->name);
1712 /* Write out the constructor and destructor tables statically (for a shared
1713 object), along with the functions to execute them. */
1716 write_c_file_stat (stream, name)
1720 char *prefix, *p, *q;
1722 /* Figure out name of output_file, stripping off .so version. */
1723 p = rindex (output_file, '/');
1725 p = (char *) output_file;
1739 if (strncmp (q, ".so", 3) == 0)
1748 /* q points to null at end of the string (or . of the .so version) */
1749 prefix = xmalloc (q - p + 1);
1750 strncpy (prefix, p, q - p);
1752 for (q = prefix; *q; q++)
1756 fprintf (stderr, "\nwrite_c_file - output name is %s, prefix is %s\n",
1757 output_file, prefix);
1759 #define INIT_NAME_FORMAT "_GLOBAL__FI_%s"
1760 initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2);
1761 sprintf (initname, INIT_NAME_FORMAT, prefix);
1763 #define FINI_NAME_FORMAT "_GLOBAL__FD_%s"
1764 fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2);
1765 sprintf (fininame, FINI_NAME_FORMAT, prefix);
1769 /* Write the tables as C code */
1771 fprintf (stream, "static int count;\n");
1772 fprintf (stream, "typedef void entry_pt();\n");
1773 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1774 fprintf (stream, "void %s() {\n", initname);
1775 if (constructors.number > 0)
1777 fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
1778 write_list (stream, "\t\t", constructors.first);
1779 fprintf (stream, "\t};\n");
1780 fprintf (stream, "\tentry_pt **p;\n");
1781 fprintf (stream, "\tif (count++ != 0) return;\n");
1782 fprintf (stream, "\tp = ctors + %d;\n", constructors.number);
1783 fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
1786 fprintf (stream, "\t++count;\n");
1787 fprintf (stream, "}\n");
1788 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1789 fprintf (stream, "void %s() {\n", fininame);
1790 if (destructors.number > 0)
1792 fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
1793 write_list (stream, "\t\t", destructors.first);
1794 fprintf (stream, "\t};\n");
1795 fprintf (stream, "\tentry_pt **p;\n");
1796 fprintf (stream, "\tif (--count != 0) return;\n");
1797 fprintf (stream, "\tp = dtors;\n");
1798 fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
1799 destructors.number);
1801 fprintf (stream, "}\n");
1805 fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname);
1806 fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame);
1810 /* Write the constructor/destructor tables. */
1813 write_c_file_glob (stream, name)
1817 /* Write the tables as C code */
1819 fprintf (stream, "typedef void entry_pt();\n\n");
1821 write_list_with_asm (stream, "extern entry_pt ", constructors.first);
1823 fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
1824 fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number);
1825 write_list (stream, "\t", constructors.first);
1826 fprintf (stream, "\t0\n};\n\n");
1828 write_list_with_asm (stream, "extern entry_pt ", destructors.first);
1830 fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
1831 fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number);
1832 write_list (stream, "\t", destructors.first);
1833 fprintf (stream, "\t0\n};\n\n");
1835 fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
1836 fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
1840 write_c_file (stream, name)
1844 #ifndef LD_INIT_SWITCH
1846 write_c_file_glob (stream, name);
1849 write_c_file_stat (stream, name);
1853 write_export_file (stream)
1856 struct id *list = exports.first;
1857 for (; list; list = list->next)
1858 fprintf (stream, "%s\n", list->name);
1861 #ifdef OBJECT_FORMAT_NONE
1863 /* Generic version to scan the name list of the loaded program for
1864 the symbols g++ uses for static constructors and destructors.
1866 The constructor table begins at __CTOR_LIST__ and contains a count
1867 of the number of pointers (or -1 if the constructors are built in a
1868 separate section by the linker), followed by the pointers to the
1869 constructor functions, terminated with a null pointer. The
1870 destructor table has the same format, and begins at __DTOR_LIST__. */
1873 scan_prog_file (prog_name, which_pass)
1875 enum pass which_pass;
1877 void (*int_handler) ();
1878 void (*quit_handler) ();
1886 if (which_pass == PASS_SECOND)
1889 /* If we don't have an `nm', complain. */
1890 if (nm_file_name == 0)
1891 fatal ("cannot find `nm'");
1893 nm_argv[argc++] = nm_file_name;
1894 if (NM_FLAGS[0] != '\0')
1895 nm_argv[argc++] = NM_FLAGS;
1897 nm_argv[argc++] = prog_name;
1898 nm_argv[argc++] = (char *)0;
1900 if (pipe (pipe_fd) < 0)
1901 fatal_perror ("pipe");
1903 inf = fdopen (pipe_fd[0], "r");
1904 if (inf == (FILE *)0)
1905 fatal_perror ("fdopen");
1907 /* Trace if needed. */
1913 for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *)0; p_argv++)
1914 fprintf (stderr, " %s", str);
1916 fprintf (stderr, "\n");
1922 /* Spawn child nm on pipe */
1927 fatal_perror ("fork");
1929 fatal_perror ("vfork");
1933 if (pid == 0) /* child context */
1936 if (dup2 (pipe_fd[1], 1) < 0)
1937 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
1939 if (close (pipe_fd[0]) < 0)
1940 fatal_perror ("close (%d)", pipe_fd[0]);
1942 if (close (pipe_fd[1]) < 0)
1943 fatal_perror ("close (%d)", pipe_fd[1]);
1945 execv (nm_file_name, nm_argv);
1946 fatal_perror ("executing %s", nm_file_name);
1949 /* Parent context from here on. */
1950 int_handler = (void (*) ())signal (SIGINT, SIG_IGN);
1952 quit_handler = (void (*) ())signal (SIGQUIT, SIG_IGN);
1955 if (close (pipe_fd[1]) < 0)
1956 fatal_perror ("close (%d)", pipe_fd[1]);
1959 fprintf (stderr, "\nnm output with constructors/destructors.\n");
1961 /* Read each line of nm output. */
1962 while (fgets (buf, sizeof buf, inf) != (char *)0)
1967 /* If it contains a constructor or destructor name, add the name
1968 to the appropriate list. */
1970 for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
1971 if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
1978 /* Find the end of the symbol name.
1979 Don't include `|', because Encore nm can tack that on the end. */
1980 for (end = p; (ch2 = *end) != '\0' && !isspace (ch2) && ch2 != '|';
1986 switch (is_ctor_dtor (name))
1989 if (which_pass != PASS_LIB)
1990 add_to_list (&constructors, name);
1994 if (which_pass != PASS_LIB)
1995 add_to_list (&destructors, name);
1999 if (which_pass != PASS_LIB)
2000 fatal ("init function found in object %s", prog_name);
2001 #ifndef LD_INIT_SWITCH
2002 add_to_list (&constructors, name);
2007 if (which_pass != PASS_LIB)
2008 fatal ("fini function found in object %s", prog_name);
2009 #ifndef LD_FINI_SWITCH
2010 add_to_list (&destructors, name);
2014 default: /* not a constructor or destructor */
2019 fprintf (stderr, "\t%s\n", buf);
2023 fprintf (stderr, "\n");
2025 if (fclose (inf) != 0)
2026 fatal_perror ("fclose of pipe");
2028 do_wait (nm_file_name);
2030 signal (SIGINT, int_handler);
2032 signal (SIGQUIT, quit_handler);
2036 #if SUNOS4_SHARED_LIBRARIES
2038 /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
2039 that the output file depends upon and their initialization/finalization
2040 routines, if any. */
2045 #include <sys/mman.h>
2046 #include <sys/param.h>
2047 #include <sys/unistd.h>
2048 #include <sys/dir.h>
2050 /* pointers to the object file */
2051 unsigned object; /* address of memory mapped file */
2052 unsigned objsize; /* size of memory mapped to file */
2053 char * code; /* pointer to code segment */
2054 char * data; /* pointer to data segment */
2055 struct nlist *symtab; /* pointer to symbol table */
2056 struct link_dynamic *ld;
2057 struct link_dynamic_2 *ld_2;
2058 struct head libraries;
2060 /* Map the file indicated by NAME into memory and store its address. */
2068 if ((fp = open (name, O_RDONLY)) == -1)
2069 fatal ("unable to open file '%s'", name);
2070 if (fstat (fp, &s) == -1)
2071 fatal ("unable to stat file '%s'", name);
2073 objsize = s.st_size;
2074 object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
2077 fatal ("unable to mmap file '%s'", name);
2082 /* Helpers for locatelib. */
2084 static char *libname;
2090 return (strncmp (libname, d->d_name, strlen (libname)) == 0);
2095 struct direct **d1, **d2;
2097 int i1, i2 = strlen (libname);
2098 char *e1 = (*d1)->d_name + i2;
2099 char *e2 = (*d2)->d_name + i2;
2105 i1 = strtol (e1, &e1, 10);
2106 i2 = strtol (e2, &e2, 10);
2119 /* Given the name NAME of a dynamic dependency, find its pathname and add
2120 it to the list of libraries. */
2128 char buf[MAXPATHLEN];
2136 /* counting elements in array, need 1 extra for null */
2138 ld_rules = (char *) (ld_2->ld_rules + code);
2142 for (; *ld_rules != 0; ld_rules++)
2143 if (*ld_rules == ':')
2145 ld_rules = (char *) (ld_2->ld_rules + code);
2146 ldr = (char *) malloc (strlen (ld_rules) + 1);
2147 strcpy (ldr, ld_rules);
2149 p = getenv ("LD_LIBRARY_PATH");
2154 for (q = p ; *q != 0; q++)
2157 q = (char *) malloc (strlen (p) + 1);
2160 l = (char **) malloc ((cnt + 3) * sizeof (char *));
2165 for (; *ldr != 0; ldr++)
2175 for (; *q != 0; q++)
2182 /* built in directories are /lib, /usr/lib, and /usr/local/lib */
2185 *pp++ = "/usr/local/lib";
2189 for (pp = l; *pp != 0 ; pp++)
2191 struct direct **namelist;
2193 if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
2195 sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
2196 add_to_list (&libraries, buf);
2198 fprintf (stderr, "%s\n", buf);
2205 fprintf (stderr, "not found\n");
2207 fatal ("dynamic dependency %s not found", name);
2211 /* Scan the _DYNAMIC structure of the output file to find shared libraries
2212 that it depends upon and any constructors or destructors they contain. */
2215 scan_libraries (prog_name)
2218 struct exec *header;
2220 struct link_object *lo;
2221 char buff[MAXPATHLEN];
2224 mapfile (prog_name);
2225 header = (struct exec *)object;
2226 if (N_BADMAG (*header))
2227 fatal ("bad magic number in file '%s'", prog_name);
2228 if (header->a_dynamic == 0)
2231 code = (char *) (N_TXTOFF (*header) + (long) header);
2232 data = (char *) (N_DATOFF (*header) + (long) header);
2233 symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
2235 if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
2238 ld = (struct link_dynamic *) (symtab->n_value + code);
2244 ld = (struct link_dynamic *) data;
2249 fprintf (stderr, "dynamic dependencies.\n");
2251 ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
2252 for (lo = (struct link_object *) ld_2->ld_need; lo;
2253 lo = (struct link_object *) lo->lo_next)
2256 lo = (struct link_object *) ((long) lo + code);
2257 name = (char *) (code + lo->lo_name);
2261 fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
2262 sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
2268 fprintf (stderr, "\t%s\n", name);
2269 add_to_list (&libraries, name);
2274 fprintf (stderr, "\n");
2276 /* now iterate through the library list adding their symbols to
2278 for (list = libraries.first; list; list = list->next)
2279 scan_prog_file (list->name, PASS_LIB);
2282 #else /* SUNOS4_SHARED_LIBRARIES */
2285 /* Use the List Dynamic Dependencies program to find shared libraries that
2286 the output file depends upon and their initialization/finalization
2287 routines, if any. */
2290 scan_libraries (prog_name)
2293 static struct head libraries; /* list of shared libraries found */
2295 void (*int_handler) ();
2296 void (*quit_handler) ();
2304 /* If we don't have an `ldd', complain. */
2305 if (ldd_file_name == 0)
2307 error ("cannot find `ldd'");
2311 ldd_argv[argc++] = ldd_file_name;
2312 ldd_argv[argc++] = prog_name;
2313 ldd_argv[argc++] = (char *) 0;
2315 if (pipe (pipe_fd) < 0)
2316 fatal_perror ("pipe");
2318 inf = fdopen (pipe_fd[0], "r");
2319 if (inf == (FILE *) 0)
2320 fatal_perror ("fdopen");
2322 /* Trace if needed. */
2328 for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
2329 fprintf (stderr, " %s", str);
2331 fprintf (stderr, "\n");
2337 /* Spawn child ldd on pipe */
2342 fatal_perror ("fork");
2344 fatal_perror ("vfork");
2348 if (pid == 0) /* child context */
2351 if (dup2 (pipe_fd[1], 1) < 0)
2352 fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
2354 if (close (pipe_fd[0]) < 0)
2355 fatal_perror ("close (%d)", pipe_fd[0]);
2357 if (close (pipe_fd[1]) < 0)
2358 fatal_perror ("close (%d)", pipe_fd[1]);
2360 execv (ldd_file_name, ldd_argv);
2361 fatal_perror ("executing %s", ldd_file_name);
2364 /* Parent context from here on. */
2365 int_handler = (void (*) ()) signal (SIGINT, SIG_IGN);
2367 quit_handler = (void (*) ()) signal (SIGQUIT, SIG_IGN);
2370 if (close (pipe_fd[1]) < 0)
2371 fatal_perror ("close (%d)", pipe_fd[1]);
2374 fprintf (stderr, "\nldd output with constructors/destructors.\n");
2376 /* Read each line of ldd output. */
2377 while (fgets (buf, sizeof buf, inf) != (char *) 0)
2380 char *name, *end, *p = buf;
2382 /* Extract names of libraries and add to list. */
2383 PARSE_LDD_OUTPUT (p);
2388 if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
2389 fatal ("dynamic dependency %s not found", buf);
2391 /* Find the end of the symbol name. */
2393 (ch2 = *end) != '\0' && ch2 != '\n' && !isspace (ch2) && ch2 != '|';
2398 if (access (name, R_OK) == 0)
2399 add_to_list (&libraries, name);
2401 fatal ("unable to open dynamic dependency '%s'", buf);
2404 fprintf (stderr, "\t%s\n", buf);
2407 fprintf (stderr, "\n");
2409 if (fclose (inf) != 0)
2410 fatal_perror ("fclose of pipe");
2412 do_wait (ldd_file_name);
2414 signal (SIGINT, int_handler);
2416 signal (SIGQUIT, quit_handler);
2419 /* now iterate through the library list adding their symbols to
2421 for (list = libraries.first; list; list = list->next)
2422 scan_prog_file (list->name, PASS_LIB);
2425 #endif /* LDD_SUFFIX */
2426 #endif /* SUNOS4_SHARED_LIBRARIES */
2428 #endif /* OBJECT_FORMAT_NONE */
2432 * COFF specific stuff.
2435 #ifdef OBJECT_FORMAT_COFF
2437 #if defined(EXTENDED_COFF)
2438 # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
2439 # define GCC_SYMENT SYMR
2440 # define GCC_OK_SYMBOL(X) ((X).st == stProc && (X).sc == scText)
2441 # define GCC_SYMINC(X) (1)
2442 # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
2443 # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
2445 # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
2446 # define GCC_SYMENT SYMENT
2447 # define GCC_OK_SYMBOL(X) \
2448 (((X).n_sclass == C_EXT) && \
2449 (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) || \
2450 ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT)))
2451 # define GCC_SYMINC(X) ((X).n_numaux+1)
2452 # define GCC_SYMZERO(X) 0
2453 # define GCC_CHECK_HDR(X) (1)
2456 extern char *ldgetname ();
2458 /* COFF version to scan the name list of the loaded program for
2459 the symbols g++ uses for static constructors and destructors.
2461 The constructor table begins at __CTOR_LIST__ and contains a count
2462 of the number of pointers (or -1 if the constructors are built in a
2463 separate section by the linker), followed by the pointers to the
2464 constructor functions, terminated with a null pointer. The
2465 destructor table has the same format, and begins at __DTOR_LIST__. */
2468 scan_prog_file (prog_name, which_pass)
2470 enum pass which_pass;
2472 LDFILE *ldptr = NULL;
2473 int sym_index, sym_count;
2475 if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
2478 if ((ldptr = ldopen (prog_name, ldptr)) == NULL)
2479 fatal ("%s: can't open as COFF file", prog_name);
2481 if (!MY_ISCOFF (HEADER (ldptr).f_magic))
2482 fatal ("%s: not a COFF file", prog_name);
2484 if (GCC_CHECK_HDR (ldptr))
2486 sym_count = GCC_SYMBOLS (ldptr);
2487 sym_index = GCC_SYMZERO (ldptr);
2488 while (sym_index < sym_count)
2492 if (ldtbread (ldptr, sym_index, &symbol) <= 0)
2494 sym_index += GCC_SYMINC (symbol);
2496 if (GCC_OK_SYMBOL (symbol))
2500 if ((name = ldgetname (ldptr, &symbol)) == NULL)
2501 continue; /* should never happen */
2503 #ifdef XCOFF_DEBUGGING_INFO
2504 /* All AIX function names have a duplicate entry beginning
2510 switch (is_ctor_dtor (name))
2513 add_to_list (&constructors, name);
2514 if (which_pass == PASS_OBJ)
2515 add_to_list (&exports, name);
2519 add_to_list (&destructors, name);
2520 if (which_pass == PASS_OBJ)
2521 add_to_list (&exports, name);
2524 default: /* not a constructor or destructor */
2525 if (which_pass == PASS_OBJ && auto_export)
2526 add_to_list (&exports, name);
2530 #if !defined(EXTENDED_COFF)
2532 fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
2533 symbol.n_scnum, symbol.n_sclass,
2534 (symbol.n_type ? "0" : ""), symbol.n_type,
2538 fprintf (stderr, "\tiss = %5d, value = %5d, index = %5d, name = %s\n",
2539 symbol.iss, symbol.value, symbol.index, name);
2545 (void) ldclose(ldptr);
2548 #endif /* OBJECT_FORMAT_COFF */
2552 * OSF/rose specific stuff.
2555 #ifdef OBJECT_FORMAT_ROSE
2557 /* Union of the various load commands */
2559 typedef union load_union
2561 ldc_header_t hdr; /* common header */
2562 load_cmd_map_command_t map; /* map indexing other load cmds */
2563 interpreter_command_t iprtr; /* interpreter pathname */
2564 strings_command_t str; /* load commands strings section */
2565 region_command_t region; /* region load command */
2566 reloc_command_t reloc; /* relocation section */
2567 package_command_t pkg; /* package load command */
2568 symbols_command_t sym; /* symbol sections */
2569 entry_command_t ent; /* program start section */
2570 gen_info_command_t info; /* object information */
2571 func_table_command_t func; /* function constructors/destructors */
2574 /* Structure to point to load command and data section in memory. */
2576 typedef struct load_all
2578 load_union_t *load; /* load command */
2579 char *section; /* pointer to section */
2582 /* Structure to contain information about a file mapped into memory. */
2586 char *start; /* start of map */
2587 char *name; /* filename */
2588 long size; /* size of the file */
2589 long rounded_size; /* size rounded to page boundary */
2590 int fd; /* file descriptor */
2591 int rw; /* != 0 if opened read/write */
2592 int use_mmap; /* != 0 if mmap'ed */
2595 extern int decode_mach_o_hdr ();
2596 extern int encode_mach_o_hdr ();
2598 static void add_func_table PROTO((mo_header_t *, load_all_t *,
2599 symbol_info_t *, int));
2600 static void print_header PROTO((mo_header_t *));
2601 static void print_load_command PROTO((load_union_t*, size_t, int));
2602 static void bad_header PROTO((int));
2603 static struct file_info *read_file PROTO((char *, int, int));
2604 static void end_file PROTO((struct file_info *));
2606 /* OSF/rose specific version to scan the name list of the loaded
2607 program for the symbols g++ uses for static constructors and
2610 The constructor table begins at __CTOR_LIST__ and contains a count
2611 of the number of pointers (or -1 if the constructors are built in a
2612 separate section by the linker), followed by the pointers to the
2613 constructor functions, terminated with a null pointer. The
2614 destructor table has the same format, and begins at __DTOR_LIST__. */
2617 scan_prog_file (prog_name, which_pass)
2619 enum pass which_pass;
2623 load_all_t *load_array;
2624 load_all_t *load_end;
2625 load_all_t *load_cmd;
2626 int symbol_load_cmds;
2632 struct file_info *obj_file;
2634 mo_lcid_t cmd_strings = -1;
2635 symbol_info_t *main_sym = 0;
2636 int rw = (which_pass != PASS_FIRST);
2638 prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
2640 fatal_perror ("can't read %s", prog_name);
2642 obj_file = read_file (prog_name, prog_fd, rw);
2643 obj = obj_file->start;
2645 status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
2646 if (status != MO_HDR_CONV_SUCCESS)
2647 bad_header (status);
2650 /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
2651 since the hardware will automatically swap bytes for us on loading little endian
2654 #ifndef CROSS_COMPILE
2655 if (hdr.moh_magic != MOH_MAGIC_MSB
2656 || hdr.moh_header_version != MOH_HEADER_VERSION
2657 || hdr.moh_byte_order != OUR_BYTE_ORDER
2658 || hdr.moh_data_rep_id != OUR_DATA_REP_ID
2659 || hdr.moh_cpu_type != OUR_CPU_TYPE
2660 || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
2661 || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
2663 fatal ("incompatibilities between object file & expected values");
2668 print_header (&hdr);
2670 offset = hdr.moh_first_cmd_off;
2671 load_end = load_array
2672 = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
2674 /* Build array of load commands, calculating the offsets */
2675 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2677 load_union_t *load_hdr; /* load command header */
2679 load_cmd = load_end++;
2680 load_hdr = (load_union_t *) (obj + offset);
2682 /* If modifying the program file, copy the header. */
2685 load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
2686 bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size);
2689 /* null out old command map, because we will rewrite at the end. */
2690 if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
2692 cmd_strings = ptr->map.lcm_ld_cmd_strings;
2693 ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
2697 load_cmd->load = load_hdr;
2698 if (load_hdr->hdr.ldci_section_off > 0)
2699 load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
2702 print_load_command (load_hdr, offset, i);
2704 offset += load_hdr->hdr.ldci_cmd_size;
2707 /* If the last command is the load command map and is not undefined,
2708 decrement the count of load commands. */
2709 if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
2712 hdr.moh_n_load_cmds--;
2715 /* Go through and process each symbol table section. */
2716 symbol_load_cmds = 0;
2717 for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
2719 load_union_t *load_hdr = load_cmd->load;
2721 if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
2727 char *kind = "unknown";
2729 switch (load_hdr->sym.symc_kind)
2731 case SYMC_IMPORTS: kind = "imports"; break;
2732 case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
2733 case SYMC_STABS: kind = "stabs"; break;
2736 fprintf (stderr, "\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
2737 symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
2740 if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
2743 str_sect = load_array[load_hdr->sym.symc_strings_section].section;
2744 if (str_sect == (char *)0)
2745 fatal ("string section missing");
2747 if (load_cmd->section == (char *)0)
2748 fatal ("section pointer missing");
2750 num_syms = load_hdr->sym.symc_nentries;
2751 for (i = 0; i < num_syms; i++)
2753 symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
2754 char *name = sym->si_name.symbol_name + str_sect;
2761 char *n = name + strlen (name) - strlen (NAME__MAIN);
2763 if ((n - name) < 0 || strcmp (n, NAME__MAIN))
2773 switch (is_ctor_dtor (name))
2776 add_to_list (&constructors, name);
2780 add_to_list (&destructors, name);
2783 default: /* not a constructor or destructor */
2789 fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
2790 sym->si_type, sym->si_sc_type, sym->si_flags, name);
2795 if (symbol_load_cmds == 0)
2796 fatal ("no symbol table found");
2798 /* Update the program file now, rewrite header and load commands. At present,
2799 we assume that there is enough space after the last load command to insert
2800 one more. Since the first section written out is page aligned, and the
2801 number of load commands is small, this is ok for the present. */
2805 load_union_t *load_map;
2808 if (cmd_strings == -1)
2809 fatal ("no cmd_strings found");
2811 /* Add __main to initializer list.
2812 If we are building a program instead of a shared library, don't
2813 do anything, since in the current version, you cannot do mallocs
2814 and such in the constructors. */
2816 if (main_sym != (symbol_info_t *)0
2817 && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
2818 add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
2821 fprintf (stderr, "\nUpdating header and load commands.\n\n");
2823 hdr.moh_n_load_cmds++;
2824 size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
2826 /* Create new load command map. */
2828 fprintf (stderr, "load command map, %d cmds, new size %ld.\n",
2829 (int)hdr.moh_n_load_cmds, (long)size);
2831 load_map = (load_union_t *) xcalloc (1, size);
2832 load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
2833 load_map->map.ldc_header.ldci_cmd_size = size;
2834 load_map->map.lcm_ld_cmd_strings = cmd_strings;
2835 load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
2836 load_array[hdr.moh_n_load_cmds-1].load = load_map;
2838 offset = hdr.moh_first_cmd_off;
2839 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2841 load_map->map.lcm_map[i] = offset;
2842 if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
2843 hdr.moh_load_map_cmd_off = offset;
2845 offset += load_array[i].load->hdr.ldci_cmd_size;
2848 hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
2851 print_header (&hdr);
2854 status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
2855 if (status != MO_HDR_CONV_SUCCESS)
2856 bad_header (status);
2859 fprintf (stderr, "writing load commands.\n\n");
2861 /* Write load commands */
2862 offset = hdr.moh_first_cmd_off;
2863 for (i = 0; i < hdr.moh_n_load_cmds; i++)
2865 load_union_t *load_hdr = load_array[i].load;
2866 size_t size = load_hdr->hdr.ldci_cmd_size;
2869 print_load_command (load_hdr, offset, i);
2871 bcopy ((char *)load_hdr, (char *)(obj + offset), size);
2876 end_file (obj_file);
2878 if (close (prog_fd))
2879 fatal_perror ("closing %s", prog_name);
2882 fprintf (stderr, "\n");
2886 /* Add a function table to the load commands to call a function
2887 on initiation or termination of the process. */
2890 add_func_table (hdr_p, load_array, sym, type)
2891 mo_header_t *hdr_p; /* pointer to global header */
2892 load_all_t *load_array; /* array of ptrs to load cmds */
2893 symbol_info_t *sym; /* pointer to symbol entry */
2894 int type; /* fntc_type value */
2896 /* Add a new load command. */
2897 int num_cmds = ++hdr_p->moh_n_load_cmds;
2898 int load_index = num_cmds - 1;
2899 size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
2900 load_union_t *ptr = xcalloc (1, size);
2901 load_all_t *load_cmd;
2904 /* Set the unresolved address bit in the header to force the loader to be
2905 used, since kernel exec does not call the initialization functions. */
2906 hdr_p->moh_flags |= MOH_UNRESOLVED_F;
2908 load_cmd = &load_array[load_index];
2909 load_cmd->load = ptr;
2910 load_cmd->section = (char *)0;
2912 /* Fill in func table load command. */
2913 ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
2914 ptr->func.ldc_header.ldci_cmd_size = size;
2915 ptr->func.ldc_header.ldci_section_off = 0;
2916 ptr->func.ldc_header.ldci_section_len = 0;
2917 ptr->func.fntc_type = type;
2918 ptr->func.fntc_nentries = 1;
2920 /* copy address, turn it from abs. address to (region,offset) if necessary. */
2921 /* Is the symbol already expressed as (region, offset)? */
2922 if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
2924 ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
2925 ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
2928 /* If not, figure out which region it's in. */
2931 mo_vm_addr_t addr = sym->si_value.abs_val;
2934 for (i = 0; i < load_index; i++)
2936 if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
2938 region_command_t *region_ptr = &load_array[i].load->region;
2940 if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
2941 && addr >= region_ptr->regc_addr.vm_addr
2942 && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
2944 ptr->func.fntc_entry_loc[0].adr_lcid = i;
2945 ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
2953 fatal ("could not convert 0x%l.8x into a region", addr);
2958 "%s function, region %d, offset = %ld (0x%.8lx)\n",
2959 (type == FNTC_INITIALIZATION) ? "init" : "term",
2960 (int)ptr->func.fntc_entry_loc[i].adr_lcid,
2961 (long)ptr->func.fntc_entry_loc[i].adr_sctoff,
2962 (long)ptr->func.fntc_entry_loc[i].adr_sctoff);
2967 /* Print the global header for an OSF/rose object. */
2970 print_header (hdr_ptr)
2971 mo_header_t *hdr_ptr;
2973 fprintf (stderr, "\nglobal header:\n");
2974 fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
2975 fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
2976 fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
2977 fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
2978 fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
2979 fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
2980 fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
2981 fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
2982 fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
2983 fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
2984 fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
2985 fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
2986 fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
2987 fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
2988 fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
2990 if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
2991 fprintf (stderr, ", relocatable");
2993 if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
2994 fprintf (stderr, ", linkable");
2996 if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
2997 fprintf (stderr, ", execable");
2999 if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
3000 fprintf (stderr, ", executable");
3002 if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
3003 fprintf (stderr, ", unresolved");
3005 fprintf (stderr, "\n\n");
3010 /* Print a short summary of a load command. */
3013 print_load_command (load_hdr, offset, number)
3014 load_union_t *load_hdr;
3018 mo_long_t type = load_hdr->hdr.ldci_cmd_type;
3019 char *type_str = (char *)0;
3023 case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
3024 case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
3025 case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
3026 case LDC_STRINGS: type_str = "STRINGS"; break;
3027 case LDC_REGION: type_str = "REGION"; break;
3028 case LDC_RELOC: type_str = "RELOC"; break;
3029 case LDC_PACKAGE: type_str = "PACKAGE"; break;
3030 case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
3031 case LDC_ENTRY: type_str = "ENTRY"; break;
3032 case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
3033 case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
3037 "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
3039 (long) load_hdr->hdr.ldci_cmd_size,
3041 (long) load_hdr->hdr.ldci_section_off,
3042 (long) load_hdr->hdr.ldci_section_len);
3044 if (type_str == (char *)0)
3045 fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
3047 else if (type != LDC_REGION)
3048 fprintf (stderr, ", ty: %s\n", type_str);
3053 switch (load_hdr->region.regc_usage_type)
3055 case REG_TEXT_T: region = ", .text"; break;
3056 case REG_DATA_T: region = ", .data"; break;
3057 case REG_BSS_T: region = ", .bss"; break;
3058 case REG_GLUE_T: region = ", .glue"; break;
3059 #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
3060 case REG_RDATA_T: region = ", .rdata"; break;
3061 case REG_SDATA_T: region = ", .sdata"; break;
3062 case REG_SBSS_T: region = ", .sbss"; break;
3066 fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
3068 (long) load_hdr->region.regc_vm_addr,
3069 (long) load_hdr->region.regc_vm_size,
3077 /* Fatal error when {en,de}code_mach_o_header fails. */
3083 char *msg = (char *)0;
3087 case MO_ERROR_BAD_MAGIC: msg = "bad magic number"; break;
3088 case MO_ERROR_BAD_HDR_VERS: msg = "bad header version"; break;
3089 case MO_ERROR_BAD_RAW_HDR_VERS: msg = "bad raw header version"; break;
3090 case MO_ERROR_BUF2SML: msg = "raw header buffer too small"; break;
3091 case MO_ERROR_OLD_RAW_HDR_FILE: msg = "old raw header file"; break;
3092 case MO_ERROR_UNSUPPORTED_VERS: msg = "unsupported version"; break;
3095 if (msg == (char *)0)
3096 fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
3102 /* Read a file into a memory buffer. */
3104 static struct file_info *
3105 read_file (name, fd, rw)
3106 char *name; /* filename */
3107 int fd; /* file descriptor */
3108 int rw; /* read/write */
3110 struct stat stat_pkt;
3111 struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
3113 static int page_size;
3116 if (fstat (fd, &stat_pkt) < 0)
3117 fatal_perror ("fstat %s", name);
3120 p->size = stat_pkt.st_size;
3121 p->rounded_size = stat_pkt.st_size;
3127 fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
3130 page_size = sysconf (_SC_PAGE_SIZE);
3132 p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
3133 p->start = mmap ((caddr_t)0,
3134 (rw) ? p->rounded_size : p->size,
3135 (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
3136 MAP_FILE | MAP_VARIABLE | MAP_SHARED,
3140 if (p->start != (char *)0 && p->start != (char *)-1)
3144 #endif /* USE_MMAP */
3149 fprintf (stderr, "read %s\n", name);
3152 p->start = xmalloc (p->size);
3153 if (lseek (fd, 0L, SEEK_SET) < 0)
3154 fatal_perror ("lseek to 0 on %s", name);
3156 len = read (fd, p->start, p->size);
3158 fatal_perror ("read %s", name);
3161 fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
3167 /* Do anything necessary to write a file back from memory. */
3171 struct file_info *ptr; /* file information block */
3179 fprintf (stderr, "msync %s\n", ptr->name);
3181 if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
3182 fatal_perror ("msync %s", ptr->name);
3186 fprintf (stderr, "munmap %s\n", ptr->name);
3188 if (munmap (ptr->start, ptr->size))
3189 fatal_perror ("munmap %s", ptr->name);
3192 #endif /* USE_MMAP */
3199 fprintf (stderr, "write %s\n", ptr->name);
3201 if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
3202 fatal_perror ("lseek to 0 on %s", ptr->name);
3204 len = write (ptr->fd, ptr->start, ptr->size);
3206 fatal_perror ("read %s", ptr->name);
3208 if (len != ptr->size)
3209 fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
3218 #endif /* OBJECT_FORMAT_ROSE */