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- /* Collect static initialization info into data structures
- that can be traversed by C++ initialization and finalization
- routines.
-
- Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
- Contributed by Chris Smith (csmith@convex.com).
- Heavily modified by Michael Meissner (meissner@cygnus.com),
- Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
-
- This file is part of GNU CC.
-
- GNU CC is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-
- /* Build tables of static constructors and destructors and run ld. */
-
- #include "config.h"
- #include <sys/types.h>
- #include <stdio.h>
- #include <ctype.h>
- #include <errno.h>
- #include <signal.h>
- #include <sys/file.h>
- #include <sys/stat.h>
- #ifdef NO_WAIT_H
- #include <sys/wait.h>
- #endif
-
- #define COLLECT
-
- #if defined(NEXT_PDO) && defined(__svr4__) && defined(sun)
- #define COLLECT_ONLY
- #define INIT_NAME_FORMAT "_init"
- #define FINI_NAME_FORMAT "_fini"
- #endif
-
- #include "demangle.h"
- #include "obstack.h"
-
- #ifndef errno
- extern int errno;
- #endif
-
- #ifndef HAVE_STRERROR
- #if defined(bsd4_4)
- extern const char *const sys_errlist[];
- #else
- extern char *sys_errlist[];
- #endif
- extern int sys_nerr;
- #else
- char *strerror();
- #endif
-
- /* Obstack allocation and deallocation routines. */
- #define obstack_chunk_alloc xmalloc
- #define obstack_chunk_free free
-
- #if !defined (__STDC__) && !defined (const)
- #define const
- #endif
-
- #ifdef USG
- #define vfork fork
- #endif
-
- /* Add prototype support. */
- #ifndef PROTO
- #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
- #define PROTO(ARGS) ARGS
- #else
- #define PROTO(ARGS) ()
- #endif
- #endif
-
- #ifndef R_OK
- #define R_OK 4
- #define W_OK 2
- #define X_OK 1
- #endif
-
- #ifndef WIFSIGNALED
- #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
- #endif
- #ifndef WTERMSIG
- #define WTERMSIG(S) ((S) & 0x7f)
- #endif
- #ifndef WIFEXITED
- #define WIFEXITED(S) (((S) & 0xff) == 0)
- #endif
- #ifndef WEXITSTATUS
- #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
- #endif
-
- /* On MSDOS, write temp files in current dir
- because there's no place else we can expect to use. */
- #ifdef __MSDOS__
- #ifndef P_tmpdir
- #define P_tmpdir "./"
- #endif
- #endif
-
- /* On certain systems, we have code that works by scanning the object file
- directly. But this code uses system-specific header files and library
- functions, so turn it off in a cross-compiler. Likewise, the names of
- the utilities aren't correct for a cross-compiler; we have to hope that
- cross-versions are in the proper directories. */
-
- #ifdef CROSS_COMPILE
- #undef SUNOS4_SHARED_LIBRARIES
- #undef OBJECT_FORMAT_COFF
- #undef OBJECT_FORMAT_ROSE
- #undef MD_EXEC_PREFIX
- #undef REAL_LD_FILE_NAME
- #undef REAL_NM_FILE_NAME
- #undef REAL_STRIP_FILE_NAME
- #endif
-
- /* If we can't use a special method, use the ordinary one:
- run nm to find what symbols are present.
- In a cross-compiler, this means you need a cross nm,
- but that isn't quite as unpleasant as special headers. */
-
- #if !defined (OBJECT_FORMAT_COFF) && !defined (OBJECT_FORMAT_ROSE)
- #define OBJECT_FORMAT_NONE
- #endif
-
- #ifdef OBJECT_FORMAT_COFF
-
- #include <a.out.h>
- #include <ar.h>
-
- #ifdef UMAX
- #include <sgs.h>
- #endif
-
- /* Many versions of ldfcn.h define these. */
- #ifdef FREAD
- #undef FREAD
- #undef FWRITE
- #endif
-
- #include <ldfcn.h>
-
- /* Some systems have an ISCOFF macro, but others do not. In some cases
- the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
- that either do not have an ISCOFF macro in /usr/include or for those
- where it is wrong. */
-
- #ifndef MY_ISCOFF
- #define MY_ISCOFF(X) ISCOFF (X)
- #endif
-
- #endif /* OBJECT_FORMAT_COFF */
-
- #ifdef OBJECT_FORMAT_ROSE
-
- #ifdef _OSF_SOURCE
- #define USE_MMAP
- #endif
-
- #ifdef USE_MMAP
- #include <sys/mman.h>
- #endif
-
- #include <unistd.h>
- #include <mach_o_format.h>
- #include <mach_o_header.h>
- #include <mach_o_vals.h>
- #include <mach_o_types.h>
-
- #endif /* OBJECT_FORMAT_ROSE */
-
- #ifdef OBJECT_FORMAT_NONE
-
- /* Default flags to pass to nm. */
- #ifndef NM_FLAGS
- #define NM_FLAGS "-p"
- #endif
-
- #endif /* OBJECT_FORMAT_NONE */
-
- /* Some systems use __main in a way incompatible with its use in gcc, in these
- cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
- give the same symbol without quotes for an alternative entry point. You
- must define both, or neither. */
- #ifndef NAME__MAIN
- #define NAME__MAIN "__main"
- #define SYMBOL__MAIN __main
- #endif
-
- #if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
- #define SCAN_LIBRARIES
- #endif
-
- #ifdef USE_COLLECT2
- int do_collecting = 1;
- #else
- int do_collecting = 0;
- #endif
-
- /* Linked lists of constructor and destructor names. */
-
- struct id
- {
- struct id *next;
- int sequence;
- char name[1];
- };
-
- struct head
- {
- struct id *first;
- struct id *last;
- int number;
- };
-
- /* Enumeration giving which pass this is for scanning the program file. */
-
- enum pass {
- PASS_FIRST, /* without constructors */
- PASS_OBJ, /* individual objects */
- PASS_LIB, /* looking for shared libraries */
- PASS_SECOND /* with constructors linked in */
- };
-
- #ifndef NO_SYS_SIGLIST
- #ifndef DONT_DECLARE_SYS_SIGLIST
- extern char *sys_siglist[];
- #endif
- #endif
- extern char *version_string;
-
- int vflag; /* true if -v */
- static int rflag; /* true if -r */
- static int strip_flag; /* true if -s */
-
- int debug; /* true if -debug */
-
- static int shared_obj; /* true if -shared */
-
- static int temp_filename_length; /* Length of temp_filename */
- static char *temp_filename; /* Base of temp filenames */
- static char *c_file; /* <xxx>.c for constructor/destructor list. */
- static char *o_file; /* <xxx>.o for constructor/destructor list. */
- static char *export_file; /* <xxx>.x for AIX export list. */
- static int auto_export = 1; /* true if exporting everything. */
- char *ldout; /* File for ld errors. */
- static char *output_file; /* Output file for ld. */
- static char *nm_file_name; /* pathname of nm */
- static char *ldd_file_name; /* pathname of ldd (or equivalent) */
- static char *strip_file_name; /* pathname of strip */
- char *c_file_name; /* pathname of gcc */
- static char *initname, *fininame; /* names of init and fini funcs */
-
- static struct head constructors; /* list of constructors found */
- static struct head destructors; /* list of destructors found */
- static struct head exports; /* list of exported symbols */
-
- struct obstack temporary_obstack;
- struct obstack permanent_obstack;
- char * temporary_firstobj;
-
- /* Defined in the automatically-generated underscore.c. */
- extern int prepends_underscore;
-
- extern char *getenv ();
- extern char *mktemp ();
- extern FILE *fdopen ();
-
- /* Structure to hold all the directories in which to search for files to
- execute. */
-
- struct prefix_list
- {
- char *prefix; /* String to prepend to the path. */
- struct prefix_list *next; /* Next in linked list. */
- };
-
- struct path_prefix
- {
- struct prefix_list *plist; /* List of prefixes to try */
- int max_len; /* Max length of a prefix in PLIST */
- char *name; /* Name of this list (used in config stuff) */
- };
-
- void collect_exit PROTO((int));
- void collect_execute PROTO((char *, char **, char *));
- void dump_file PROTO((char *));
- static void handler PROTO((int));
- static int is_ctor_dtor PROTO((char *));
- static void choose_temp_base PROTO((void));
- static int is_in_prefix_list PROTO((struct path_prefix *, char *, int));
- static char *find_a_file PROTO((struct path_prefix *, char *));
- static void add_prefix PROTO((struct path_prefix *, char *));
- static void prefix_from_env PROTO((char *, struct path_prefix *));
- static void prefix_from_string PROTO((char *, struct path_prefix *));
- static void do_wait PROTO((char *));
- static void fork_execute PROTO((char *, char **));
- static void maybe_unlink PROTO((char *));
- static void add_to_list PROTO((struct head *, char *));
- static void write_list PROTO((FILE *, char *, struct id *));
- static void write_list_with_asm PROTO((FILE *, char *, struct id *));
- static void write_c_file PROTO((FILE *, char *));
- static void write_export_file PROTO((FILE *));
- static void scan_prog_file PROTO((char *, enum pass));
- static void scan_libraries PROTO((char *));
-
- char *xcalloc ();
- char *xmalloc ();
-
- extern char *index ();
- extern char *rindex ();
- extern void free ();
-
- #ifdef NO_DUP2
- int
- dup2 (oldfd, newfd)
- int oldfd;
- int newfd;
- {
- int fdtmp[256];
- int fdx = 0;
- int fd;
-
- if (oldfd == newfd)
- return oldfd;
- close (newfd);
- while ((fd = dup (oldfd)) != newfd && fd >= 0) /* good enough for low fd's */
- fdtmp[fdx++] = fd;
- while (fdx > 0)
- close (fdtmp[--fdx]);
-
- return fd;
- }
- #endif
-
- char *
- my_strerror (e)
- int e;
- {
-
- #ifdef HAVE_STRERROR
- return strerror (e);
-
- #else
-
- static char buffer[30];
- if (!e)
- return "";
-
- if (e > 0 && e < sys_nerr)
- return sys_errlist[e];
-
- sprintf (buffer, "Unknown error %d", e);
- return buffer;
- #endif
- }
-
- /* Delete tempfiles and exit function. */
-
- void
- collect_exit (status)
- int status;
- {
- if (c_file != 0 && c_file[0])
- maybe_unlink (c_file);
-
- if (o_file != 0 && o_file[0])
- maybe_unlink (o_file);
-
- if (export_file != 0 && export_file[0])
- maybe_unlink (export_file);
-
- if (ldout != 0 && ldout[0])
- {
- dump_file (ldout);
- maybe_unlink (ldout);
- }
-
- if (status != 0 && output_file != 0 && output_file[0])
- maybe_unlink (output_file);
-
- exit (status);
- }
-
-
- /* Die when sys call fails. */
-
- void
- fatal_perror (string, arg1, arg2, arg3)
- char *string, *arg1, *arg2, *arg3;
- {
- int e = errno;
-
- fprintf (stderr, "collect2: ");
- fprintf (stderr, string, arg1, arg2, arg3);
- fprintf (stderr, ": %s\n", my_strerror (e));
- collect_exit (1);
- }
-
- /* Just die. */
-
- void
- fatal (string, arg1, arg2, arg3)
- char *string, *arg1, *arg2, *arg3;
- {
- fprintf (stderr, "collect2: ");
- fprintf (stderr, string, arg1, arg2, arg3);
- fprintf (stderr, "\n");
- collect_exit (1);
- }
-
- /* Write error message. */
-
- void
- error (string, arg1, arg2, arg3, arg4)
- char *string, *arg1, *arg2, *arg3, *arg4;
- {
- fprintf (stderr, "collect2: ");
- fprintf (stderr, string, arg1, arg2, arg3, arg4);
- fprintf (stderr, "\n");
- }
-
- /* In case obstack is linked in, and abort is defined to fancy_abort,
- provide a default entry. */
-
- void
- fancy_abort ()
- {
- fatal ("internal error");
- }
-
-
- static void
- handler (signo)
- int signo;
- {
- if (c_file != 0 && c_file[0])
- maybe_unlink (c_file);
-
- if (o_file != 0 && o_file[0])
- maybe_unlink (o_file);
-
- if (ldout != 0 && ldout[0])
- maybe_unlink (ldout);
-
- signal (signo, SIG_DFL);
- kill (getpid (), signo);
- }
-
-
- char *
- xcalloc (size1, size2)
- int size1, size2;
- {
- char *ptr = (char *) calloc (size1, size2);
- if (ptr)
- return ptr;
-
- fatal ("out of memory");
- return (char *)0;
- }
-
- char *
- xmalloc (size)
- unsigned size;
- {
- char *ptr = (char *) malloc (size);
- if (ptr)
- return ptr;
-
- fatal ("out of memory");
- return (char *)0;
- }
-
- char *
- xrealloc (ptr, size)
- char *ptr;
- unsigned size;
- {
- register char *value = (char *) realloc (ptr, size);
- if (value == 0)
- fatal ("virtual memory exhausted");
- return value;
- }
-
- int
- file_exists (name)
- char *name;
- {
- return access (name, R_OK) == 0;
- }
-
- /* Make a copy of a string INPUT with size SIZE. */
-
- char *
- savestring (input, size)
- char *input;
- int size;
- {
- char *output = (char *) xmalloc (size + 1);
- bcopy (input, output, size);
- output[size] = 0;
- return output;
- }
-
- void
- dump_file (name)
- char *name;
- {
- FILE *stream = fopen (name, "r");
- int no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
-
- if (stream == 0)
- return;
- while (1)
- {
- int c;
- while (c = getc (stream),
- c != EOF && (isalnum (c) || c == '_' || c == '$' || c == '.'))
- obstack_1grow (&temporary_obstack, c);
- if (obstack_object_size (&temporary_obstack) > 0)
- {
- char *word, *p, *result;
- obstack_1grow (&temporary_obstack, '\0');
- word = obstack_finish (&temporary_obstack);
-
- if (*word == '.')
- ++word, putc ('.', stderr);
- p = word;
- if (*p == '_' && prepends_underscore)
- ++p;
-
- if (no_demangle)
- result = 0;
- else
- result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI);
-
- if (result)
- {
- int diff;
- fputs (result, stderr);
-
- diff = strlen (word) - strlen (result);
- while (diff > 0)
- --diff, putc (' ', stderr);
- while (diff < 0 && c == ' ')
- ++diff, c = getc (stream);
-
- free (result);
- }
- else
- fputs (word, stderr);
-
- fflush (stderr);
- obstack_free (&temporary_obstack, temporary_firstobj);
- }
- if (c == EOF)
- break;
- putc (c, stderr);
- }
- }
-
- /* Decide whether the given symbol is:
- a constructor (1), a destructor (2), or neither (0). */
-
- static int
- is_ctor_dtor (s)
- char *s;
- {
- struct names { char *name; int len; int ret; int two_underscores; };
-
- register struct names *p;
- register int ch;
- register char *orig_s = s;
-
- static struct names special[] = {
- #ifdef NO_DOLLAR_IN_LABEL
- #ifdef NO_DOT_IN_LABEL
- { "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, 1, 0 },
- { "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, 2, 0 },
- #else
- { "GLOBAL_.I.", sizeof ("GLOBAL_.I.")-1, 1, 0 },
- { "GLOBAL_.D.", sizeof ("GLOBAL_.D.")-1, 2, 0 },
- #endif
- #else
- { "GLOBAL_$I$", sizeof ("GLOBAL_$I$")-1, 1, 0 },
- { "GLOBAL_$D$", sizeof ("GLOBAL_$D$")-1, 2, 0 },
- #endif
- { "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, 3, 0 },
- { "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, 4, 0 },
- #ifdef CFRONT_LOSSAGE /* Don't collect cfront initialization functions.
- cfront has its own linker procedure to collect them;
- if collect2 gets them too, they get collected twice
- when the cfront procedure is run and the compiler used
- for linking happens to be GCC. */
- { "sti__", sizeof ("sti__")-1, 1, 1 },
- { "std__", sizeof ("std__")-1, 2, 1 },
- #endif /* CFRONT_LOSSAGE */
- { NULL, 0, 0, 0 }
- };
-
- while ((ch = *s) == '_')
- ++s;
-
- if (s == orig_s)
- return 0;
-
- for (p = &special[0]; p->len > 0; p++)
- {
- if (ch == p->name[0]
- && (!p->two_underscores || ((s - orig_s) >= 2))
- && strncmp(s, p->name, p->len) == 0)
- {
- return p->ret;
- }
- }
- return 0;
- }
-
-
- /* Compute a string to use as the base of all temporary file names.
- It is substituted for %g. */
-
- static void
- choose_temp_base ()
- {
- char *base = getenv ("TMPDIR");
- int len;
-
- if (base == (char *)0)
- {
- #ifdef P_tmpdir
- if (access (P_tmpdir, R_OK | W_OK) == 0)
- base = P_tmpdir;
- #endif
- if (base == (char *)0)
- {
- if (access ("/usr/tmp", R_OK | W_OK) == 0)
- base = "/usr/tmp/";
- else
- base = "/tmp/";
- }
- }
-
- len = strlen (base);
- temp_filename = xmalloc (len + sizeof("/ccXXXXXX") + 1);
- strcpy (temp_filename, base);
- if (len > 0 && temp_filename[len-1] != '/')
- temp_filename[len++] = '/';
- strcpy (temp_filename + len, "ccXXXXXX");
-
- mktemp (temp_filename);
- temp_filename_length = strlen (temp_filename);
- }
-
- /* Routine to add variables to the environment. */
-
- #ifndef HAVE_PUTENV
-
- int
- putenv (str)
- char *str;
- {
- #ifndef VMS /* nor about VMS */
-
- extern char **environ;
- char **old_environ = environ;
- char **envp;
- int num_envs = 0;
- int name_len = 1;
- char *p = str;
- int ch;
-
- while ((ch = *p++) != '\0' && ch != '=')
- name_len++;
-
- if (!ch)
- abort ();
-
- /* Search for replacing an existing environment variable, and
- count the number of total environment variables. */
- for (envp = old_environ; *envp; envp++)
- {
- num_envs++;
- if (!strncmp (str, *envp, name_len))
- {
- *envp = str;
- return 0;
- }
- }
-
- /* Add a new environment variable */
- environ = (char **) xmalloc (sizeof (char *) * (num_envs+2));
- *environ = str;
- bcopy ((char *) old_environ, (char *) (environ + 1),
- sizeof (char *) * (num_envs+1));
-
- return 0;
- #endif /* VMS */
- }
-
- #endif /* HAVE_PUTENV */
-
- /* By default, colon separates directories in a path. */
- #ifndef PATH_SEPARATOR
- #define PATH_SEPARATOR ':'
- #endif
-
- /* We maintain two prefix lists: one from COMPILER_PATH environment variable
- and one from the PATH variable. */
-
- static struct path_prefix cpath, path;
-
- #ifdef CROSS_COMPILE
- /* This is the name of the target machine. We use it to form the name
- of the files to execute. */
-
- static char *target_machine = TARGET_MACHINE;
- #endif
-
- /* Names under which we were executed. Never return one of those files in our
- searches. */
-
- static struct path_prefix our_file_names;
-
- /* Determine if STRING is in PPREFIX.
-
- This utility is currently only used to look up file names. Prefix lists
- record directory names. This matters to us because the latter has a
- trailing slash, so I've added a flag to handle both. */
-
- static int
- is_in_prefix_list (pprefix, string, filep)
- struct path_prefix *pprefix;
- char *string;
- int filep;
- {
- struct prefix_list *pl;
-
- if (filep)
- {
- int len = strlen (string);
-
- for (pl = pprefix->plist; pl; pl = pl->next)
- {
- if (strncmp (pl->prefix, string, len) == 0
- && strcmp (pl->prefix + len, "/") == 0)
- return 1;
- }
- }
- else
- {
- for (pl = pprefix->plist; pl; pl = pl->next)
- {
- if (strcmp (pl->prefix, string) == 0)
- return 1;
- }
- }
-
- return 0;
- }
-
- /* Search for NAME using prefix list PPREFIX. We only look for executable
- files.
-
- Return 0 if not found, otherwise return its name, allocated with malloc. */
-
- static char *
- find_a_file (pprefix, name)
- struct path_prefix *pprefix;
- char *name;
- {
- char *temp;
- struct prefix_list *pl;
- int len = pprefix->max_len + strlen (name) + 1;
-
- #ifdef EXECUTABLE_SUFFIX
- len += strlen (EXECUTABLE_SUFFIX);
- #endif
-
- temp = xmalloc (len);
-
- /* Determine the filename to execute (special case for absolute paths). */
-
- if (*name == '/')
- {
- if (access (name, X_OK) == 0)
- {
- strcpy (temp, name);
- return temp;
- }
- }
- else
- for (pl = pprefix->plist; pl; pl = pl->next)
- {
- strcpy (temp, pl->prefix);
- strcat (temp, name);
- if (! is_in_prefix_list (&our_file_names, temp, 1)
- /* This is a kludge, but there seems no way around it. */
- && strcmp (temp, "./ld") != 0
- && access (temp, X_OK) == 0)
- return temp;
-
- #ifdef EXECUTABLE_SUFFIX
- /* Some systems have a suffix for executable files.
- So try appending that. */
- strcat (temp, EXECUTABLE_SUFFIX);
- if (! is_in_prefix_list (&our_file_names, temp, 1)
- && access (temp, X_OK) == 0)
- return temp;
- #endif
- }
-
- free (temp);
- return 0;
- }
-
- /* Add an entry for PREFIX to prefix list PPREFIX. */
-
- static void
- add_prefix (pprefix, prefix)
- struct path_prefix *pprefix;
- char *prefix;
- {
- struct prefix_list *pl, **prev;
- int len;
-
- if (pprefix->plist)
- {
- for (pl = pprefix->plist; pl->next; pl = pl->next)
- ;
- prev = &pl->next;
- }
- else
- prev = &pprefix->plist;
-
- /* Keep track of the longest prefix */
-
- len = strlen (prefix);
- if (len > pprefix->max_len)
- pprefix->max_len = len;
-
- pl = (struct prefix_list *) xmalloc (sizeof (struct prefix_list));
- pl->prefix = savestring (prefix, len);
-
- if (*prev)
- pl->next = *prev;
- else
- pl->next = (struct prefix_list *) 0;
- *prev = pl;
- }
-
- /* Take the value of the environment variable ENV, break it into a path, and
- add of the entries to PPREFIX. */
-
- static void
- prefix_from_env (env, pprefix)
- char *env;
- struct path_prefix *pprefix;
- {
- char *p = getenv (env);
-
- if (p)
- prefix_from_string (p, pprefix);
- }
-
- static void
- prefix_from_string (p, pprefix)
- char *p;
- struct path_prefix *pprefix;
- {
- char *startp, *endp;
- char *nstore = (char *) xmalloc (strlen (p) + 3);
-
- startp = endp = p;
- while (1)
- {
- if (*endp == PATH_SEPARATOR || *endp == 0)
- {
- strncpy (nstore, startp, endp-startp);
- if (endp == startp)
- {
- strcpy (nstore, "./");
- }
- else if (endp[-1] != '/')
- {
- nstore[endp-startp] = '/';
- nstore[endp-startp+1] = 0;
- }
- else
- nstore[endp-startp] = 0;
-
- add_prefix (pprefix, nstore);
- if (*endp == 0)
- break;
- endp = startp = endp + 1;
- }
- else
- endp++;
- }
- }
-
- /* Main program. */
-
- int
- main (argc, argv)
- int argc;
- char *argv[];
- {
- char *ld_suffix = "ld";
- char *full_ld_suffix = ld_suffix;
- char *real_ld_suffix = "real-ld";
- char *full_real_ld_suffix = real_ld_suffix;
- char *collect_ld_suffix = "collect-ld";
- char *nm_suffix = "nm";
- char *full_nm_suffix = nm_suffix;
- char *gnm_suffix = "gnm";
- char *full_gnm_suffix = gnm_suffix;
- #ifdef LDD_SUFFIX
- char *ldd_suffix = LDD_SUFFIX;
- char *full_ldd_suffix = ldd_suffix;
- #endif
- char *strip_suffix = "strip";
- char *full_strip_suffix = strip_suffix;
- char *gstrip_suffix = "gstrip";
- char *full_gstrip_suffix = gstrip_suffix;
- char *arg;
- FILE *outf, *exportf;
- char *ld_file_name;
- char *collect_name;
- char *collect_names;
- char *p;
- char **c_argv;
- char **c_ptr;
- char **ld1_argv = (char **) xcalloc (sizeof (char *), argc+3);
- char **ld1 = ld1_argv;
- char **ld2_argv = (char **) xcalloc (sizeof (char *), argc+6);
- char **ld2 = ld2_argv;
- char **object_lst = (char **) xcalloc (sizeof (char *), argc);
- char **object = object_lst;
- int first_file;
- int num_c_args = argc+7;
-
- #ifdef DEBUG
- debug = 1;
- vflag = 1;
- #endif
-
- output_file = "a.out";
-
- obstack_begin (&temporary_obstack, 0);
- obstack_begin (&permanent_obstack, 0);
- temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
- current_demangling_style = gnu_demangling;
-
- /* We must check that we do not call ourselves in an infinite
- recursion loop. We append the name used for us to the COLLECT_NAMES
- environment variable.
-
- In practice, collect will rarely invoke itself. This can happen now
- that we are no longer called gld. A perfect example is when running
- gcc in a build directory that has been installed. When looking for
- ld's, we'll find our installed version and believe that's the real ld. */
-
- /* We must also append COLLECT_NAME to COLLECT_NAMES to watch for the
- previous version of collect (the one that used COLLECT_NAME and only
- handled two levels of recursion). If we don't we may mutually recurse
- forever. This can happen (I think) when bootstrapping the old version
- and a new one is installed (rare, but we should handle it).
- ??? Hopefully references to COLLECT_NAME can be removed at some point. */
-
- collect_name = (char *) getenv ("COLLECT_NAME");
- collect_names = (char *) getenv ("COLLECT_NAMES");
-
- p = (char *) xmalloc (strlen ("COLLECT_NAMES=")
- + (collect_name ? strlen (collect_name) + 1 : 0)
- + (collect_names ? strlen (collect_names) + 1 : 0)
- + strlen (argv[0]) + 1);
- strcpy (p, "COLLECT_NAMES=");
- if (collect_name != 0)
- sprintf (p + strlen (p), "%s%c", collect_name, PATH_SEPARATOR);
- if (collect_names != 0)
- sprintf (p + strlen (p), "%s%c", collect_names, PATH_SEPARATOR);
- strcat (p, argv[0]);
- putenv (p);
-
- prefix_from_env ("COLLECT_NAMES", &our_file_names);
-
- /* Set environment variable COLLECT_NAME to our name so the previous version
- of collect won't find us. If it does we'll mutually recurse forever.
- This can happen when bootstrapping the new version and an old version is
- installed.
- ??? Hopefully this bit of code can be removed at some point. */
-
- p = xmalloc (strlen ("COLLECT_NAME=") + strlen (argv[0]) + 1);
- sprintf (p, "COLLECT_NAME=%s", argv[0]);
- putenv (p);
-
- p = (char *) getenv ("COLLECT_GCC_OPTIONS");
- if (p)
- while (*p)
- {
- char *q = p;
- while (*q && *q != ' ') q++;
- if (*p == '-' && p[1] == 'm')
- num_c_args++;
-
- if (*q) q++;
- p = q;
- }
-
- c_ptr = c_argv = (char **) xcalloc (sizeof (char *), num_c_args);
-
- if (argc < 2)
- fatal ("no arguments");
-
- #ifdef SIGQUIT
- if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
- signal (SIGQUIT, handler);
- #endif
- if (signal (SIGINT, SIG_IGN) != SIG_IGN)
- signal (SIGINT, handler);
- #ifdef SIGALRM
- if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
- signal (SIGALRM, handler);
- #endif
- #ifdef SIGHUP
- if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
- signal (SIGHUP, handler);
- #endif
- if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
- signal (SIGSEGV, handler);
- #ifdef SIGBUS
- if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
- signal (SIGBUS, handler);
- #endif
-
- /* Extract COMPILER_PATH and PATH into our prefix list. */
- prefix_from_env ("COMPILER_PATH", &cpath);
- prefix_from_env ("PATH", &path);
-
- #ifdef CROSS_COMPILE
- /* If we look for a program in the compiler directories, we just use
- the short name, since these directories are already system-specific.
- But it we look for a took in the system directories, we need to
- qualify the program name with the target machine. */
-
- full_ld_suffix
- = xcalloc (strlen (ld_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_ld_suffix, target_machine);
- strcat (full_ld_suffix, "-");
- strcat (full_ld_suffix, ld_suffix);
-
- full_real_ld_suffix
- = xcalloc (strlen (real_ld_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_real_ld_suffix, target_machine);
- strcat (full_real_ld_suffix, "-");
- strcat (full_real_ld_suffix, real_ld_suffix);
-
- #if 0
- full_gld_suffix
- = xcalloc (strlen (gld_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_gld_suffix, target_machine);
- strcat (full_gld_suffix, "-");
- strcat (full_gld_suffix, gld_suffix);
- #endif
-
- full_nm_suffix
- = xcalloc (strlen (nm_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_nm_suffix, target_machine);
- strcat (full_nm_suffix, "-");
- strcat (full_nm_suffix, nm_suffix);
-
- full_gnm_suffix
- = xcalloc (strlen (gnm_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_gnm_suffix, target_machine);
- strcat (full_gnm_suffix, "-");
- strcat (full_gnm_suffix, gnm_suffix);
-
- #ifdef LDD_SUFFIX
- full_ldd_suffix
- = xcalloc (strlen (ldd_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_ldd_suffix, target_machine);
- strcat (full_ldd_suffix, "-");
- strcat (full_ldd_suffix, ldd_suffix);
- #endif
-
- full_strip_suffix
- = xcalloc (strlen (strip_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_strip_suffix, target_machine);
- strcat (full_strip_suffix, "-");
- strcat (full_strip_suffix, strip_suffix);
-
- full_gstrip_suffix
- = xcalloc (strlen (gstrip_suffix) + strlen (target_machine) + 2, 1);
- strcpy (full_gstrip_suffix, target_machine);
- strcat (full_gstrip_suffix, "-");
- strcat (full_gstrip_suffix, gstrip_suffix);
- #endif /* CROSS_COMPILE */
-
- /* Try to discover a valid linker/nm/strip to use. */
-
- /* Maybe we know the right file to use (if not cross). */
- #ifdef REAL_LD_FILE_NAME
- ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
- if (ld_file_name == 0)
- #endif
- /* Search the (target-specific) compiler dirs for ld'. */
- ld_file_name = find_a_file (&cpath, real_ld_suffix);
- /* Likewise for `collect-ld'. */
- if (ld_file_name == 0)
- ld_file_name = find_a_file (&cpath, collect_ld_suffix);
- /* Search the compiler directories for `ld'. We have protection against
- recursive calls in find_a_file. */
- if (ld_file_name == 0)
- ld_file_name = find_a_file (&cpath, ld_suffix);
- /* Search the ordinary system bin directories
- for `ld' (if native linking) or `TARGET-ld' (if cross). */
- if (ld_file_name == 0)
- ld_file_name = find_a_file (&path, full_ld_suffix);
-
- /* If we've invoked ourselves, try again with LD_FILE_NAME. */
-
- if (collect_names != 0)
- {
- if (ld_file_name != 0)
- {
- argv[0] = ld_file_name;
- execvp (argv[0], argv);
- }
- fatal ("cannot find `ld'");
- }
-
- #ifdef REAL_NM_FILE_NAME
- nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
- if (nm_file_name == 0)
- #endif
- nm_file_name = find_a_file (&cpath, gnm_suffix);
- if (nm_file_name == 0)
- nm_file_name = find_a_file (&path, full_gnm_suffix);
- if (nm_file_name == 0)
- nm_file_name = find_a_file (&cpath, nm_suffix);
- if (nm_file_name == 0)
- nm_file_name = find_a_file (&path, full_nm_suffix);
-
- #ifdef LDD_SUFFIX
- ldd_file_name = find_a_file (&cpath, ldd_suffix);
- if (ldd_file_name == 0)
- ldd_file_name = find_a_file (&path, full_ldd_suffix);
- #endif
-
- #ifdef REAL_STRIP_FILE_NAME
- strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
- if (strip_file_name == 0)
- #endif
- strip_file_name = find_a_file (&cpath, gstrip_suffix);
- if (strip_file_name == 0)
- strip_file_name = find_a_file (&path, full_gstrip_suffix);
- if (strip_file_name == 0)
- strip_file_name = find_a_file (&cpath, strip_suffix);
- if (strip_file_name == 0)
- strip_file_name = find_a_file (&path, full_strip_suffix);
-
- /* Determine the full path name of the C compiler to use. */
- c_file_name = getenv ("COLLECT_GCC");
- if (c_file_name == 0)
- {
- #ifdef CROSS_COMPILE
- c_file_name = xcalloc (sizeof ("gcc-") + strlen (target_machine) + 1, 1);
- strcpy (c_file_name, target_machine);
- strcat (c_file_name, "-gcc");
- #else
- c_file_name = "gcc";
- #endif
- }
-
- p = find_a_file (&cpath, c_file_name);
-
- /* Here it should be safe to use the system search path since we should have
- already qualified the name of the compiler when it is needed. */
- if (p == 0)
- p = find_a_file (&path, c_file_name);
-
- if (p)
- c_file_name = p;
-
- *ld1++ = *ld2++ = ld_file_name;
-
- /* Make temp file names. */
- choose_temp_base ();
- c_file = xcalloc (temp_filename_length + sizeof (".c"), 1);
- o_file = xcalloc (temp_filename_length + sizeof (".o"), 1);
- export_file = xmalloc (temp_filename_length + sizeof (".x"));
- ldout = xmalloc (temp_filename_length + sizeof (".ld"));
- sprintf (ldout, "%s.ld", temp_filename);
- sprintf (c_file, "%s.c", temp_filename);
- sprintf (o_file, "%s.o", temp_filename);
- sprintf (export_file, "%s.x", temp_filename);
- *c_ptr++ = c_file_name;
- *c_ptr++ = "-c";
- *c_ptr++ = "-o";
- *c_ptr++ = o_file;
-
- /* !!! When GCC calls collect2,
- it does not know whether it is calling collect2 or ld.
- So collect2 cannot meaningfully understand any options
- except those ld understands.
- If you propose to make GCC pass some other option,
- just imagine what will happen if ld is really ld!!! */
-
- /* Parse arguments. Remember output file spec, pass the rest to ld. */
- /* After the first file, put in the c++ rt0. */
-
- first_file = 1;
- while ((arg = *++argv) != (char *)0)
- {
- *ld1++ = *ld2++ = arg;
-
- if (arg[0] == '-')
- {
- switch (arg[1])
- {
- #ifdef NEXT_PDO
- case 'f':
- if (!strcmp (arg, "-framework"))
- {
- argv++;
- ld1--;
- ld2--;
- }
- break;
- #endif
- case 'd':
- if (!strcmp (arg, "-debug"))
- {
- debug = 1;
- vflag = 1;
- ld1--;
- ld2--;
- }
- break;
-
- #ifdef COLLECT_EXPORT_LIST
- case 'b':
- if ((!strncmp (arg, "-bE:", 4)
- || !strncmp (arg, "-bexport:", 9))
- && strcmp (arg, "-bexport:/usr/lib/libg.exp"))
- auto_export = 0;
- break;
- #endif
-
- case 'l':
- if (first_file)
- {
- /* place o_file BEFORE this argument! */
- first_file = 0;
- ld2--;
- *ld2++ = o_file;
- *ld2++ = arg;
- }
- break;
-
- case 'o':
- if (arg[2] == '\0')
- output_file = *ld1++ = *ld2++ = *++argv;
- else
- output_file = &arg[2];
- break;
-
- case 'r':
- if (arg[2] == '\0')
- rflag = 1;
- break;
-
- case 's':
- if (arg[2] == '\0' && do_collecting)
- {
- /* We must strip after the nm run, otherwise C++ linking
- won't work. Thus we strip in the second ld run, or
- else with strip if there is no second ld run. */
- strip_flag = 1;
- ld1--;
- }
- break;
-
- case 'v':
- if (arg[2] == '\0')
- vflag = 1;
- break;
- }
- }
- #ifndef COLLECT_ONLY
- else if ((p = rindex (arg, '.')) != (char *)0
- && (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0))
- {
- if (first_file)
- {
- first_file = 0;
- if (p[1] == 'o')
- *ld2++ = o_file;
- else
- {
- /* place o_file BEFORE this argument! */
- ld2--;
- *ld2++ = o_file;
- *ld2++ = arg;
- }
- }
- if (p[1] == 'o')
- *object++ = arg;
- }
- #else /* ! COLLECT_ONLY */
- else
- {
- c_file = output_file;
- output_file = arg;
- shared_obj = 1;
- break;
- }
- #endif /* COLLECT_ONLY */
- }
-
- #ifndef COLLECT_ONLY
-
- /* Get any options that the upper GCC wants to pass to the sub-GCC. */
- p = (char *) getenv ("COLLECT_GCC_OPTIONS");
- if (p)
- while (*p)
- {
- char *q = p;
- while (*q && *q != ' ') q++;
- if (*p == '-' && (p[1] == 'm' || p[1] == 'f'))
- *c_ptr++ = savestring (p, q - p);
- if (strncmp (p, "-shared", sizeof ("shared") - 1) == 0)
- shared_obj = 1;
-
- if (*q) q++;
- p = q;
- }
-
- #ifdef COLLECT_EXPORT_LIST
- /* The AIX linker will discard static constructors in object files if
- nothing else in the file is referenced, so look at them first. */
- while (object_lst < object)
- scan_prog_file (*object_lst++, PASS_OBJ);
-
- {
- char *buf = alloca (strlen (export_file) + 5);
- sprintf (buf, "-bE:%s", export_file);
- *ld1++ = buf;
- *ld2++ = buf;
- exportf = fopen (export_file, "w");
- if (exportf == (FILE *)0)
- fatal_perror ("%s", export_file);
- write_export_file (exportf);
- if (fclose (exportf))
- fatal_perror ("closing %s", export_file);
- }
- #endif
-
- *c_ptr++ = c_file;
- *object = *c_ptr = *ld1 = (char *)0;
-
- if (vflag)
- {
- fprintf (stderr, "collect2 version %s", version_string);
- #ifdef TARGET_VERSION
- TARGET_VERSION;
- #endif
- fprintf (stderr, "\n");
- }
-
- if (debug)
- {
- char *ptr;
- fprintf (stderr, "ld_file_name = %s\n",
- (ld_file_name ? ld_file_name : "not found"));
- fprintf (stderr, "c_file_name = %s\n",
- (c_file_name ? c_file_name : "not found"));
- fprintf (stderr, "nm_file_name = %s\n",
- (nm_file_name ? nm_file_name : "not found"));
- #ifdef LDD_SUFFIX
- fprintf (stderr, "ldd_file_name = %s\n",
- (ldd_file_name ? ldd_file_name : "not found"));
- #endif
- fprintf (stderr, "strip_file_name = %s\n",
- (strip_file_name ? strip_file_name : "not found"));
- fprintf (stderr, "c_file = %s\n",
- (c_file ? c_file : "not found"));
- fprintf (stderr, "o_file = %s\n",
- (o_file ? o_file : "not found"));
-
- ptr = getenv ("COLLECT_NAMES");
- if (ptr)
- fprintf (stderr, "COLLECT_NAMES = %s\n", ptr);
-
- ptr = getenv ("COLLECT_GCC_OPTIONS");
- if (ptr)
- fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
-
- ptr = getenv ("COLLECT_GCC");
- if (ptr)
- fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
-
- ptr = getenv ("COMPILER_PATH");
- if (ptr)
- fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
-
- ptr = getenv ("LIBRARY_PATH");
- if (ptr)
- fprintf (stderr, "LIBRARY_PATH = %s\n", ptr);
-
- fprintf (stderr, "\n");
- }
-
- /* Load the program, searching all libraries. */
-
- collect_execute ("ld", ld1_argv, ldout);
- do_wait ("ld");
- dump_file (ldout);
- unlink (ldout);
-
- /* If -r or they'll be run via some other method, don't build the
- constructor or destructor list, just return now. */
- if (rflag || ! do_collecting)
- return 0;
-
- /* Examine the namelist with nm and search it for static constructors
- and destructors to call.
- Write the constructor and destructor tables to a .s file and reload. */
-
- scan_prog_file (output_file, PASS_FIRST);
-
- #else /* ! COLLECT_ONLY */
-
- /* Examine the namelist with nm and search it for static constructors
- and destructors to call.
- Write the constructor and destructor tables to a .s file and reload. */
-
- scan_prog_file (output_file, PASS_FIRST);
- #endif /* COLLECT_ONLY */
-
- #ifndef COLLECT_ONLY
-
- #ifdef SCAN_LIBRARIES
- scan_libraries (output_file);
- #endif
-
- if (debug)
- {
- fprintf (stderr, "%d constructor(s) found\n", constructors.number);
- fprintf (stderr, "%d destructor(s) found\n", destructors.number);
- }
-
- if (constructors.number == 0 && destructors.number == 0
- #ifdef LDD_SUFFIX
- /* If we will be running these functions ourselves, we want to emit
- stubs into the shared library so that we don't have to relink
- dependent programs when we add static objects. */
- && ! shared_obj
- #endif
- )
- {
- /* Strip now if it was requested on the command line. */
- if (strip_flag)
- {
- char **strip_argv = (char **) xcalloc (sizeof (char *), 3);
- strip_argv[0] = strip_file_name;
- strip_argv[1] = output_file;
- strip_argv[2] = (char *) 0;
- fork_execute ("strip", strip_argv);
- }
- return 0;
- }
- maybe_unlink(output_file);
-
- #endif /* COLLECT_ONLY */
-
- outf = fopen (c_file, "w");
- if (outf == (FILE *)0)
- fatal_perror ("%s", c_file);
-
- write_c_file (outf, c_file);
-
- if (fclose (outf))
- fatal_perror ("closing %s", c_file);
-
- /* Tell the linker that we have initializer and finalizer functions. */
- #ifdef LD_INIT_SWITCH
- *ld2++ = LD_INIT_SWITCH;
- *ld2++ = initname;
- *ld2++ = LD_FINI_SWITCH;
- *ld2++ = fininame;
- #endif
- *ld2 = (char*)0;
-
- #ifdef COLLECT_EXPORT_LIST
- if (shared_obj)
- {
- add_to_list (&exports, initname);
- add_to_list (&exports, fininame);
- add_to_list (&exports, "_GLOBAL__DI");
- add_to_list (&exports, "_GLOBAL__DD");
- exportf = fopen (export_file, "w");
- if (exportf == (FILE *)0)
- fatal_perror ("%s", export_file);
- write_export_file (exportf);
- if (fclose (exportf))
- fatal_perror ("closing %s", export_file);
- }
- #endif
-
- if (debug)
- {
- fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
- output_file, c_file);
- write_c_file (stderr, "stderr");
- fprintf (stderr, "========== end of c_file\n\n");
- #ifdef COLLECT_EXPORT_LIST
- fprintf (stderr, "\n========== export_file = %s\n", export_file);
- write_export_file (stderr);
- fprintf (stderr, "========== end of export_file\n\n");
- #endif
- }
-
- #ifndef COLLECT_ONLY
-
- /* Assemble the constructor and destructor tables.
- Link the tables in with the rest of the program. */
-
- fork_execute ("gcc", c_argv);
- fork_execute ("ld", ld2_argv);
-
- /* Let scan_prog_file do any final mods (OSF/rose needs this for
- constructors/destructors in shared libraries. */
- scan_prog_file (output_file, PASS_SECOND);
-
- maybe_unlink (c_file);
- maybe_unlink (o_file);
- maybe_unlink (export_file);
- #endif /* COLLECT_ONLY */
-
- return 0;
- }
-
-
- /* Wait for a process to finish, and exit if a non-zero status is found. */
-
- int
- collect_wait (prog)
- char *prog;
- {
- int status;
-
- wait (&status);
- if (status)
- {
- if (WIFSIGNALED (status))
- {
- int sig = WTERMSIG (status);
- #ifdef NO_SYS_SIGLIST
- error ("%s terminated with signal %d %s",
- prog,
- sig,
- (status & 0200) ? ", core dumped" : "");
- #else
- error ("%s terminated with signal %d [%s]%s",
- prog,
- sig,
- sys_siglist[sig],
- (status & 0200) ? ", core dumped" : "");
- #endif
-
- collect_exit (127);
- }
-
- if (WIFEXITED (status))
- return WEXITSTATUS (status);
- }
- return 0;
- }
-
- static void
- do_wait (prog)
- char *prog;
- {
- int ret = collect_wait (prog);
- if (ret != 0)
- {
- error ("%s returned %d exit status", prog, ret);
- collect_exit (ret);
- }
- }
-
-
- /* Fork and execute a program, and wait for the reply. */
-
- void
- collect_execute (prog, argv, redir)
- char *prog;
- char **argv;
- char *redir;
- {
- int pid;
-
- if (vflag || debug)
- {
- char **p_argv;
- char *str;
-
- if (argv[0])
- fprintf (stderr, "%s", argv[0]);
- else
- fprintf (stderr, "[cannot find %s]", prog);
-
- for (p_argv = &argv[1]; (str = *p_argv) != (char *)0; p_argv++)
- fprintf (stderr, " %s", str);
-
- fprintf (stderr, "\n");
- }
-
- fflush (stdout);
- fflush (stderr);
-
- /* If we can't find a program we need, complain error. Do this here
- since we might not end up needing something that we couldn't find. */
-
- if (argv[0] == 0)
- fatal ("cannot find `%s'", prog);
-
- pid = vfork ();
- if (pid == -1)
- {
- #ifdef vfork
- fatal_perror ("fork");
- #else
- fatal_perror ("vfork");
- #endif
- }
-
- if (pid == 0) /* child context */
- {
- if (redir)
- {
- unlink (redir);
- if (freopen (redir, "a", stdout) == NULL)
- fatal_perror ("redirecting stdout");
- if (freopen (redir, "a", stderr) == NULL)
- fatal_perror ("redirecting stderr");
- }
-
- execvp (argv[0], argv);
- fatal_perror ("executing %s", prog);
- }
- }
-
- static void
- fork_execute (prog, argv)
- char *prog;
- char **argv;
- {
- collect_execute (prog, argv, NULL);
- do_wait (prog);
- }
-
- /* Unlink a file unless we are debugging. */
-
- static void
- maybe_unlink (file)
- char *file;
- {
- if (!debug)
- unlink (file);
- else
- fprintf (stderr, "[Leaving %s]\n", file);
- }
-
-
- /* Add a name to a linked list. */
-
- static void
- add_to_list (head_ptr, name)
- struct head *head_ptr;
- char *name;
- {
- struct id *newid
- = (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
- struct id *p;
- static long sequence_number = 0;
- strcpy (newid->name, name);
-
- if (head_ptr->first)
- head_ptr->last->next = newid;
- else
- head_ptr->first = newid;
-
- /* Check for duplicate symbols. */
- for (p = head_ptr->first;
- strcmp (name, p->name) != 0;
- p = p->next)
- ;
- if (p != newid)
- {
- head_ptr->last->next = 0;
- free (newid);
- return;
- }
-
- newid->sequence = ++sequence_number;
- head_ptr->last = newid;
- head_ptr->number++;
- }
-
- /* Write: `prefix', the names on list LIST, `suffix'. */
-
- static void
- write_list (stream, prefix, list)
- FILE *stream;
- char *prefix;
- struct id *list;
- {
- while (list)
- {
- fprintf (stream, "%sx%d,\n", prefix, list->sequence);
- list = list->next;
- }
- }
-
- static void
- write_list_with_asm (stream, prefix, list)
- FILE *stream;
- char *prefix;
- struct id *list;
- {
- while (list)
- {
- fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
- prefix, list->sequence, list->name);
- list = list->next;
- }
- }
-
- /* Write out the constructor and destructor tables statically (for a shared
- object), along with the functions to execute them. */
-
- static void
- write_c_file_stat (stream, name)
- FILE *stream;
- char *name;
- {
- char *prefix, *p, *q;
-
- /* Figure out name of output_file, stripping off .so version. */
- p = rindex (output_file, '/');
- if (p == 0)
- p = (char *) output_file;
- else
- p++;
- q = p;
- while (q)
- {
- q = index (q,'.');
- if (q == 0)
- {
- q = p + strlen (p);
- break;
- }
- else
- {
- if (strncmp (q, ".so", 3) == 0)
- {
- q += 3;
- break;
- }
- else
- q++;
- }
- }
- /* q points to null at end of the string (or . of the .so version) */
- prefix = xmalloc (q - p + 1);
- strncpy (prefix, p, q - p);
- prefix[q - p] = 0;
- for (q = prefix; *q; q++)
- if (!isalnum (*q))
- *q = '_';
- if (debug)
- fprintf (stderr, "\nwrite_c_file - output name is %s, prefix is %s\n",
- output_file, prefix);
- #ifndef INIT_NAME_FORMAT
- #define INIT_NAME_FORMAT "_GLOBAL__FI_%s"
- #endif
- initname = xmalloc (strlen (prefix) + sizeof (INIT_NAME_FORMAT) - 2);
- sprintf (initname, INIT_NAME_FORMAT, prefix);
-
- #ifndef FINI_NAME_FORMAT
- #define FINI_NAME_FORMAT "_GLOBAL__FD_%s"
- #endif
- fininame = xmalloc (strlen (prefix) + sizeof (FINI_NAME_FORMAT) - 2);
- sprintf (fininame, FINI_NAME_FORMAT, prefix);
-
- free (prefix);
-
- /* Write the tables as C code */
-
- fprintf (stream, "static int count;\n");
- fprintf (stream, "typedef void entry_pt();\n");
- write_list_with_asm (stream, "extern entry_pt ", constructors.first);
- fprintf (stream, "void %s() {\n", initname);
- if (constructors.number > 0)
- {
- fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
- write_list (stream, "\t\t", constructors.first);
- fprintf (stream, "\t};\n");
- fprintf (stream, "\tentry_pt **p;\n");
- fprintf (stream, "\tif (count++ != 0) return;\n");
- fprintf (stream, "\tp = ctors + %d;\n", constructors.number);
- fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
- }
- else
- fprintf (stream, "\t++count;\n");
- fprintf (stream, "}\n");
- write_list_with_asm (stream, "extern entry_pt ", destructors.first);
- fprintf (stream, "void %s() {\n", fininame);
- if (destructors.number > 0)
- {
- fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
- write_list (stream, "\t\t", destructors.first);
- fprintf (stream, "\t};\n");
- fprintf (stream, "\tentry_pt **p;\n");
- fprintf (stream, "\tif (--count != 0) return;\n");
- fprintf (stream, "\tp = dtors;\n");
- fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
- destructors.number);
- }
- fprintf (stream, "}\n");
-
- if (shared_obj)
- {
- fprintf (stream, "void _GLOBAL__DI() {\n\t%s();\n}\n", initname);
- fprintf (stream, "void _GLOBAL__DD() {\n\t%s();\n}\n", fininame);
- }
- }
-
- /* Write the constructor/destructor tables. */
-
- static void
- write_c_file_glob (stream, name)
- FILE *stream;
- char *name;
- {
- /* Write the tables as C code */
-
- fprintf (stream, "typedef void entry_pt();\n\n");
-
- write_list_with_asm (stream, "extern entry_pt ", constructors.first);
-
- fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
- fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number);
- write_list (stream, "\t", constructors.first);
- fprintf (stream, "\t0\n};\n\n");
-
- write_list_with_asm (stream, "extern entry_pt ", destructors.first);
-
- fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
- fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number);
- write_list (stream, "\t", destructors.first);
- fprintf (stream, "\t0\n};\n\n");
-
- fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
- fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
- }
-
- static void
- write_c_file (stream, name)
- FILE *stream;
- char *name;
- {
- #ifndef LD_INIT_SWITCH
- if (! shared_obj)
- write_c_file_glob (stream, name);
- else
- #endif
- write_c_file_stat (stream, name);
- }
-
- static void
- write_export_file (stream)
- FILE *stream;
- {
- struct id *list = exports.first;
- for (; list; list = list->next)
- fprintf (stream, "%s\n", list->name);
- }
-
- #ifdef OBJECT_FORMAT_NONE
-
- /* Generic version to scan the name list of the loaded program for
- the symbols g++ uses for static constructors and destructors.
-
- The constructor table begins at __CTOR_LIST__ and contains a count
- of the number of pointers (or -1 if the constructors are built in a
- separate section by the linker), followed by the pointers to the
- constructor functions, terminated with a null pointer. The
- destructor table has the same format, and begins at __DTOR_LIST__. */
-
- static void
- scan_prog_file (prog_name, which_pass)
- char *prog_name;
- enum pass which_pass;
- {
- void (*int_handler) ();
- void (*quit_handler) ();
- char *nm_argv[4];
- int pid;
- int argc = 0;
- int pipe_fd[2];
- char *p, buf[1024];
- FILE *inf;
-
- if (which_pass == PASS_SECOND)
- return;
-
- /* If we don't have an `nm', complain. */
- if (nm_file_name == 0)
- fatal ("cannot find `nm'");
-
- nm_argv[argc++] = nm_file_name;
- if (NM_FLAGS[0] != '\0')
- nm_argv[argc++] = NM_FLAGS;
-
- nm_argv[argc++] = prog_name;
- nm_argv[argc++] = (char *)0;
-
- if (pipe (pipe_fd) < 0)
- fatal_perror ("pipe");
-
- inf = fdopen (pipe_fd[0], "r");
- if (inf == (FILE *)0)
- fatal_perror ("fdopen");
-
- /* Trace if needed. */
- if (vflag)
- {
- char **p_argv;
- char *str;
-
- for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *)0; p_argv++)
- fprintf (stderr, " %s", str);
-
- fprintf (stderr, "\n");
- }
-
- fflush (stdout);
- fflush (stderr);
-
- /* Spawn child nm on pipe */
- pid = vfork ();
- if (pid == -1)
- {
- #ifdef vfork
- fatal_perror ("fork");
- #else
- fatal_perror ("vfork");
- #endif
- }
-
- if (pid == 0) /* child context */
- {
- /* setup stdout */
- if (dup2 (pipe_fd[1], 1) < 0)
- fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
-
- if (close (pipe_fd[0]) < 0)
- fatal_perror ("close (%d)", pipe_fd[0]);
-
- if (close (pipe_fd[1]) < 0)
- fatal_perror ("close (%d)", pipe_fd[1]);
-
- execv (nm_file_name, nm_argv);
- fatal_perror ("executing %s", nm_file_name);
- }
-
- /* Parent context from here on. */
- int_handler = (void (*) ())signal (SIGINT, SIG_IGN);
- #ifdef SIGQUIT
- quit_handler = (void (*) ())signal (SIGQUIT, SIG_IGN);
- #endif
-
- if (close (pipe_fd[1]) < 0)
- fatal_perror ("close (%d)", pipe_fd[1]);
-
- if (debug)
- fprintf (stderr, "\nnm output with constructors/destructors.\n");
-
- /* Read each line of nm output. */
- while (fgets (buf, sizeof buf, inf) != (char *)0)
- {
- int ch, ch2;
- char *name, *end;
-
- /* If it contains a constructor or destructor name, add the name
- to the appropriate list. */
-
- for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
- if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
- break;
-
- if (ch != '_')
- continue;
-
- name = p;
- /* Find the end of the symbol name.
- Don't include `|', because Encore nm can tack that on the end. */
- for (end = p; (ch2 = *end) != '\0' && !isspace (ch2) && ch2 != '|';
- end++)
- continue;
-
-
- *end = '\0';
- switch (is_ctor_dtor (name))
- {
- case 1:
- #if !defined(NEXT_PDO) && !defined(hpux)
- if (which_pass != PASS_LIB)
- #endif
- add_to_list (&constructors, name);
- break;
-
- case 2:
- if (which_pass != PASS_LIB)
- add_to_list (&destructors, name);
- break;
-
- case 3:
- if (which_pass != PASS_LIB)
- fatal ("init function found in object %s", prog_name);
- #ifndef LD_INIT_SWITCH
- add_to_list (&constructors, name);
- #endif
- break;
-
- case 4:
- if (which_pass != PASS_LIB)
- fatal ("fini function found in object %s", prog_name);
- #ifndef LD_FINI_SWITCH
- add_to_list (&destructors, name);
- #endif
- break;
-
- default: /* not a constructor or destructor */
- continue;
- }
-
- if (debug)
- fprintf (stderr, "\t%s\n", buf);
- }
-
- if (debug)
- fprintf (stderr, "\n");
-
- if (fclose (inf) != 0)
- fatal_perror ("fclose of pipe");
-
- do_wait (nm_file_name);
-
- signal (SIGINT, int_handler);
- #ifdef SIGQUIT
- signal (SIGQUIT, quit_handler);
- #endif
- }
-
- #if SUNOS4_SHARED_LIBRARIES
-
- /* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
- that the output file depends upon and their initialization/finalization
- routines, if any. */
-
- #include <a.out.h>
- #include <fcntl.h>
- #include <link.h>
- #include <sys/mman.h>
- #include <sys/param.h>
- #include <sys/unistd.h>
- #include <sys/dir.h>
-
- /* pointers to the object file */
- unsigned object; /* address of memory mapped file */
- unsigned objsize; /* size of memory mapped to file */
- char * code; /* pointer to code segment */
- char * data; /* pointer to data segment */
- struct nlist *symtab; /* pointer to symbol table */
- struct link_dynamic *ld;
- struct link_dynamic_2 *ld_2;
- struct head libraries;
-
- /* Map the file indicated by NAME into memory and store its address. */
-
- static void
- mapfile (name)
- char *name;
- {
- int fp;
- struct stat s;
- if ((fp = open (name, O_RDONLY)) == -1)
- fatal ("unable to open file '%s'", name);
- if (fstat (fp, &s) == -1)
- fatal ("unable to stat file '%s'", name);
-
- objsize = s.st_size;
- object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
- fp, 0);
- if (object == -1)
- fatal ("unable to mmap file '%s'", name);
-
- close (fp);
- }
-
- /* Helpers for locatelib. */
-
- static char *libname;
-
- static int
- libselect (d)
- struct direct *d;
- {
- return (strncmp (libname, d->d_name, strlen (libname)) == 0);
- }
-
- static int
- libcompare (d1, d2)
- struct direct **d1, **d2;
- {
- int i1, i2 = strlen (libname);
- char *e1 = (*d1)->d_name + i2;
- char *e2 = (*d2)->d_name + i2;
-
- while (*e1 && *e2)
- {
- ++e1;
- ++e2;
- i1 = strtol (e1, &e1, 10);
- i2 = strtol (e2, &e2, 10);
- if (i1 != i2)
- return i1 - i2;
- }
-
- if (*e1)
- return 1;
- else if (*e2)
- return -1;
- else
- return 0;
- }
-
- /* Given the name NAME of a dynamic dependency, find its pathname and add
- it to the list of libraries. */
-
- static void
- locatelib (name)
- char *name;
- {
- static char **l;
- static int cnt;
- char buf[MAXPATHLEN];
- char *p, *q;
- char **pp;
-
- if (l == 0)
- {
- char *ld_rules;
- char *ldr = 0;
- /* counting elements in array, need 1 extra for null */
- cnt = 1;
- ld_rules = (char *) (ld_2->ld_rules + code);
- if (ld_rules)
- {
- cnt++;
- for (; *ld_rules != 0; ld_rules++)
- if (*ld_rules == ':')
- cnt++;
- ld_rules = (char *) (ld_2->ld_rules + code);
- ldr = (char *) malloc (strlen (ld_rules) + 1);
- strcpy (ldr, ld_rules);
- }
- p = getenv ("LD_LIBRARY_PATH");
- q = 0;
- if (p)
- {
- cnt++;
- for (q = p ; *q != 0; q++)
- if (*q == ':')
- cnt++;
- q = (char *) malloc (strlen (p) + 1);
- strcpy (q, p);
- }
- l = (char **) malloc ((cnt + 3) * sizeof (char *));
- pp = l;
- if (ldr)
- {
- *pp++ = ldr;
- for (; *ldr != 0; ldr++)
- if (*ldr == ':')
- {
- *ldr++ = 0;
- *pp++ = ldr;
- }
- }
- if (q)
- {
- *pp++ = q;
- for (; *q != 0; q++)
- if (*q == ':')
- {
- *q++ = 0;
- *pp++ = p;
- }
- }
- /* built in directories are /lib, /usr/lib, and /usr/local/lib */
- *pp++ = "/lib";
- *pp++ = "/usr/lib";
- *pp++ = "/usr/local/lib";
- *pp = 0;
- }
- libname = name;
- for (pp = l; *pp != 0 ; pp++)
- {
- struct direct **namelist;
- int entries;
- if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
- {
- sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
- add_to_list (&libraries, buf);
- if (debug)
- fprintf (stderr, "%s\n", buf);
- break;
- }
- }
- if (*pp == 0)
- {
- if (debug)
- fprintf (stderr, "not found\n");
- else
- fatal ("dynamic dependency %s not found", name);
- }
- }
-
- /* Scan the _DYNAMIC structure of the output file to find shared libraries
- that it depends upon and any constructors or destructors they contain. */
-
- static void
- scan_libraries (prog_name)
- char *prog_name;
- {
- struct exec *header;
- char *base;
- struct link_object *lo;
- char buff[MAXPATHLEN];
- struct id *list;
-
- mapfile (prog_name);
- header = (struct exec *)object;
- if (N_BADMAG (*header))
- fatal ("bad magic number in file '%s'", prog_name);
- if (header->a_dynamic == 0)
- return;
-
- code = (char *) (N_TXTOFF (*header) + (long) header);
- data = (char *) (N_DATOFF (*header) + (long) header);
- symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
-
- if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
- {
- /* shared object */
- ld = (struct link_dynamic *) (symtab->n_value + code);
- base = code;
- }
- else
- {
- /* executable */
- ld = (struct link_dynamic *) data;
- base = code-PAGSIZ;
- }
-
- if (debug)
- fprintf (stderr, "dynamic dependencies.\n");
-
- ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
- for (lo = (struct link_object *) ld_2->ld_need; lo;
- lo = (struct link_object *) lo->lo_next)
- {
- char *name;
- lo = (struct link_object *) ((long) lo + code);
- name = (char *) (code + lo->lo_name);
- if (lo->lo_library)
- {
- if (debug)
- fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
- sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
- locatelib (buff);
- }
- else
- {
- if (debug)
- fprintf (stderr, "\t%s\n", name);
- add_to_list (&libraries, name);
- }
- }
-
- if (debug)
- fprintf (stderr, "\n");
-
- /* now iterate through the library list adding their symbols to
- the list. */
- for (list = libraries.first; list; list = list->next)
- scan_prog_file (list->name, PASS_LIB);
- }
-
- #else /* SUNOS4_SHARED_LIBRARIES */
- #ifdef LDD_SUFFIX
-
- /* Use the List Dynamic Dependencies program to find shared libraries that
- the output file depends upon and their initialization/finalization
- routines, if any. */
-
- static void
- scan_libraries (prog_name)
- char *prog_name;
- {
- static struct head libraries; /* list of shared libraries found */
- struct id *list;
- void (*int_handler) ();
- void (*quit_handler) ();
- char *ldd_argv[4];
- int pid;
- int argc = 0;
- int pipe_fd[2];
- char buf[1024];
- FILE *inf;
-
- /* If we don't have an `ldd', complain. */
- if (ldd_file_name == 0)
- {
- error ("cannot find `ldd'");
- return;
- }
-
- ldd_argv[argc++] = ldd_file_name;
- ldd_argv[argc++] = prog_name;
- ldd_argv[argc++] = (char *) 0;
-
- if (pipe (pipe_fd) < 0)
- fatal_perror ("pipe");
-
- inf = fdopen (pipe_fd[0], "r");
- if (inf == (FILE *) 0)
- fatal_perror ("fdopen");
-
- /* Trace if needed. */
- if (vflag)
- {
- char **p_argv;
- char *str;
-
- for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
- fprintf (stderr, " %s", str);
-
- fprintf (stderr, "\n");
- }
-
- fflush (stdout);
- fflush (stderr);
-
- /* Spawn child ldd on pipe */
- pid = vfork ();
- if (pid == -1)
- {
- #ifdef vfork
- fatal_perror ("fork");
- #else
- fatal_perror ("vfork");
- #endif
- }
-
- if (pid == 0) /* child context */
- {
- /* setup stdout */
- if (dup2 (pipe_fd[1], 1) < 0)
- fatal_perror ("dup2 (%d, 1)", pipe_fd[1]);
-
- if (close (pipe_fd[0]) < 0)
- fatal_perror ("close (%d)", pipe_fd[0]);
-
- if (close (pipe_fd[1]) < 0)
- fatal_perror ("close (%d)", pipe_fd[1]);
-
- execv (ldd_file_name, ldd_argv);
- fatal_perror ("executing %s", ldd_file_name);
- }
-
- /* Parent context from here on. */
- int_handler = (void (*) ()) signal (SIGINT, SIG_IGN);
- #ifdef SIGQUIT
- quit_handler = (void (*) ()) signal (SIGQUIT, SIG_IGN);
- #endif
-
- if (close (pipe_fd[1]) < 0)
- fatal_perror ("close (%d)", pipe_fd[1]);
-
- if (debug)
- fprintf (stderr, "\nldd output with constructors/destructors.\n");
-
- /* Read each line of ldd output. */
- while (fgets (buf, sizeof buf, inf) != (char *) 0)
- {
- int ch, ch2;
- char *name, *end, *p = buf;
-
- /* Extract names of libraries and add to list. */
- PARSE_LDD_OUTPUT (p);
- if (p == 0)
- continue;
-
- name = p;
- if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
- fatal ("dynamic dependency %s not found", buf);
-
- /* Find the end of the symbol name. */
- for (end = p;
- (ch2 = *end) != '\0' && ch2 != '\n' && !isspace (ch2) && ch2 != '|';
- end++)
- continue;
- *end = '\0';
-
- if (access (name, R_OK) == 0)
- add_to_list (&libraries, name);
- else
- fatal ("unable to open dynamic dependency '%s'", buf);
-
- if (debug)
- fprintf (stderr, "\t%s\n", buf);
- }
- if (debug)
- fprintf (stderr, "\n");
-
- if (fclose (inf) != 0)
- fatal_perror ("fclose of pipe");
-
- do_wait (ldd_file_name);
-
- signal (SIGINT, int_handler);
- #ifdef SIGQUIT
- signal (SIGQUIT, quit_handler);
- #endif
-
- /* now iterate through the library list adding their symbols to
- the list. */
- for (list = libraries.first; list; list = list->next)
- scan_prog_file (list->name, PASS_LIB);
- }
-
- #endif /* LDD_SUFFIX */
- #endif /* SUNOS4_SHARED_LIBRARIES */
-
- #endif /* OBJECT_FORMAT_NONE */
-
-
- /*
- * COFF specific stuff.
- */
-
- #ifdef OBJECT_FORMAT_COFF
-
- #if defined(EXTENDED_COFF)
- # define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
- # define GCC_SYMENT SYMR
- # define GCC_OK_SYMBOL(X) ((X).st == stProc && (X).sc == scText)
- # define GCC_SYMINC(X) (1)
- # define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
- # define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
- #else
- # define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
- # define GCC_SYMENT SYMENT
- # define GCC_OK_SYMBOL(X) \
- (((X).n_sclass == C_EXT) && \
- (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) || \
- ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT)))
- # define GCC_SYMINC(X) ((X).n_numaux+1)
- # define GCC_SYMZERO(X) 0
- # define GCC_CHECK_HDR(X) (1)
- #endif
-
- extern char *ldgetname ();
-
- /* COFF version to scan the name list of the loaded program for
- the symbols g++ uses for static constructors and destructors.
-
- The constructor table begins at __CTOR_LIST__ and contains a count
- of the number of pointers (or -1 if the constructors are built in a
- separate section by the linker), followed by the pointers to the
- constructor functions, terminated with a null pointer. The
- destructor table has the same format, and begins at __DTOR_LIST__. */
-
- static void
- scan_prog_file (prog_name, which_pass)
- char *prog_name;
- enum pass which_pass;
- {
- LDFILE *ldptr = NULL;
- int sym_index, sym_count;
-
- if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
- return;
-
- if ((ldptr = ldopen (prog_name, ldptr)) == NULL)
- fatal ("%s: can't open as COFF file", prog_name);
-
- if (!MY_ISCOFF (HEADER (ldptr).f_magic))
- fatal ("%s: not a COFF file", prog_name);
-
- if (GCC_CHECK_HDR (ldptr))
- {
- sym_count = GCC_SYMBOLS (ldptr);
- sym_index = GCC_SYMZERO (ldptr);
- while (sym_index < sym_count)
- {
- GCC_SYMENT symbol;
-
- if (ldtbread (ldptr, sym_index, &symbol) <= 0)
- break;
- sym_index += GCC_SYMINC (symbol);
-
- if (GCC_OK_SYMBOL (symbol))
- {
- char *name;
-
- if ((name = ldgetname (ldptr, &symbol)) == NULL)
- continue; /* should never happen */
-
- #ifdef XCOFF_DEBUGGING_INFO
- /* All AIX function names have a duplicate entry beginning
- with a dot. */
- if (*name == '.')
- ++name;
- #endif
-
- switch (is_ctor_dtor (name))
- {
- case 1:
- add_to_list (&constructors, name);
- if (which_pass == PASS_OBJ)
- add_to_list (&exports, name);
- break;
-
- case 2:
- add_to_list (&destructors, name);
- if (which_pass == PASS_OBJ)
- add_to_list (&exports, name);
- break;
-
- default: /* not a constructor or destructor */
- if (which_pass == PASS_OBJ && auto_export)
- add_to_list (&exports, name);
- continue;
- }
-
- #if !defined(EXTENDED_COFF)
- if (debug)
- fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
- symbol.n_scnum, symbol.n_sclass,
- (symbol.n_type ? "0" : ""), symbol.n_type,
- name);
- #else
- if (debug)
- fprintf (stderr, "\tiss = %5d, value = %5d, index = %5d, name = %s\n",
- symbol.iss, symbol.value, symbol.index, name);
- #endif
- }
- }
- }
-
- (void) ldclose(ldptr);
- }
-
- #endif /* OBJECT_FORMAT_COFF */
-
-
- /*
- * OSF/rose specific stuff.
- */
-
- #ifdef OBJECT_FORMAT_ROSE
-
- /* Union of the various load commands */
-
- typedef union load_union
- {
- ldc_header_t hdr; /* common header */
- load_cmd_map_command_t map; /* map indexing other load cmds */
- interpreter_command_t iprtr; /* interpreter pathname */
- strings_command_t str; /* load commands strings section */
- region_command_t region; /* region load command */
- reloc_command_t reloc; /* relocation section */
- package_command_t pkg; /* package load command */
- symbols_command_t sym; /* symbol sections */
- entry_command_t ent; /* program start section */
- gen_info_command_t info; /* object information */
- func_table_command_t func; /* function constructors/destructors */
- } load_union_t;
-
- /* Structure to point to load command and data section in memory. */
-
- typedef struct load_all
- {
- load_union_t *load; /* load command */
- char *section; /* pointer to section */
- } load_all_t;
-
- /* Structure to contain information about a file mapped into memory. */
-
- struct file_info
- {
- char *start; /* start of map */
- char *name; /* filename */
- long size; /* size of the file */
- long rounded_size; /* size rounded to page boundary */
- int fd; /* file descriptor */
- int rw; /* != 0 if opened read/write */
- int use_mmap; /* != 0 if mmap'ed */
- };
-
- extern int decode_mach_o_hdr ();
- extern int encode_mach_o_hdr ();
-
- static void add_func_table PROTO((mo_header_t *, load_all_t *,
- symbol_info_t *, int));
- static void print_header PROTO((mo_header_t *));
- static void print_load_command PROTO((load_union_t*, size_t, int));
- static void bad_header PROTO((int));
- static struct file_info *read_file PROTO((char *, int, int));
- static void end_file PROTO((struct file_info *));
-
- /* OSF/rose specific version to scan the name list of the loaded
- program for the symbols g++ uses for static constructors and
- destructors.
-
- The constructor table begins at __CTOR_LIST__ and contains a count
- of the number of pointers (or -1 if the constructors are built in a
- separate section by the linker), followed by the pointers to the
- constructor functions, terminated with a null pointer. The
- destructor table has the same format, and begins at __DTOR_LIST__. */
-
- static void
- scan_prog_file (prog_name, which_pass)
- char *prog_name;
- enum pass which_pass;
- {
- char *obj;
- mo_header_t hdr;
- load_all_t *load_array;
- load_all_t *load_end;
- load_all_t *load_cmd;
- int symbol_load_cmds;
- off_t offset;
- int i;
- int num_syms;
- int status;
- char *str_sect;
- struct file_info *obj_file;
- int prog_fd;
- mo_lcid_t cmd_strings = -1;
- symbol_info_t *main_sym = 0;
- int rw = (which_pass != PASS_FIRST);
-
- prog_fd = open (prog_name, (rw) ? O_RDWR : O_RDONLY);
- if (prog_fd < 0)
- fatal_perror ("can't read %s", prog_name);
-
- obj_file = read_file (prog_name, prog_fd, rw);
- obj = obj_file->start;
-
- status = decode_mach_o_hdr (obj, MO_SIZEOF_RAW_HDR, MOH_HEADER_VERSION, &hdr);
- if (status != MO_HDR_CONV_SUCCESS)
- bad_header (status);
-
-
- /* Do some basic sanity checks. Note we explicitly use the big endian magic number,
- since the hardware will automatically swap bytes for us on loading little endian
- integers. */
-
- #ifndef CROSS_COMPILE
- if (hdr.moh_magic != MOH_MAGIC_MSB
- || hdr.moh_header_version != MOH_HEADER_VERSION
- || hdr.moh_byte_order != OUR_BYTE_ORDER
- || hdr.moh_data_rep_id != OUR_DATA_REP_ID
- || hdr.moh_cpu_type != OUR_CPU_TYPE
- || hdr.moh_cpu_subtype != OUR_CPU_SUBTYPE
- || hdr.moh_vendor_type != OUR_VENDOR_TYPE)
- {
- fatal ("incompatibilities between object file & expected values");
- }
- #endif
-
- if (debug)
- print_header (&hdr);
-
- offset = hdr.moh_first_cmd_off;
- load_end = load_array
- = (load_all_t *) xcalloc (sizeof (load_all_t), hdr.moh_n_load_cmds + 2);
-
- /* Build array of load commands, calculating the offsets */
- for (i = 0; i < hdr.moh_n_load_cmds; i++)
- {
- load_union_t *load_hdr; /* load command header */
-
- load_cmd = load_end++;
- load_hdr = (load_union_t *) (obj + offset);
-
- /* If modifying the program file, copy the header. */
- if (rw)
- {
- load_union_t *ptr = (load_union_t *) xmalloc (load_hdr->hdr.ldci_cmd_size);
- bcopy ((char *)load_hdr, (char *)ptr, load_hdr->hdr.ldci_cmd_size);
- load_hdr = ptr;
-
- /* null out old command map, because we will rewrite at the end. */
- if (ptr->hdr.ldci_cmd_type == LDC_CMD_MAP)
- {
- cmd_strings = ptr->map.lcm_ld_cmd_strings;
- ptr->hdr.ldci_cmd_type = LDC_UNDEFINED;
- }
- }
-
- load_cmd->load = load_hdr;
- if (load_hdr->hdr.ldci_section_off > 0)
- load_cmd->section = obj + load_hdr->hdr.ldci_section_off;
-
- if (debug)
- print_load_command (load_hdr, offset, i);
-
- offset += load_hdr->hdr.ldci_cmd_size;
- }
-
- /* If the last command is the load command map and is not undefined,
- decrement the count of load commands. */
- if (rw && load_end[-1].load->hdr.ldci_cmd_type == LDC_UNDEFINED)
- {
- load_end--;
- hdr.moh_n_load_cmds--;
- }
-
- /* Go through and process each symbol table section. */
- symbol_load_cmds = 0;
- for (load_cmd = load_array; load_cmd < load_end; load_cmd++)
- {
- load_union_t *load_hdr = load_cmd->load;
-
- if (load_hdr->hdr.ldci_cmd_type == LDC_SYMBOLS)
- {
- symbol_load_cmds++;
-
- if (debug)
- {
- char *kind = "unknown";
-
- switch (load_hdr->sym.symc_kind)
- {
- case SYMC_IMPORTS: kind = "imports"; break;
- case SYMC_DEFINED_SYMBOLS: kind = "defined"; break;
- case SYMC_STABS: kind = "stabs"; break;
- }
-
- fprintf (stderr, "\nProcessing symbol table #%d, offset = 0x%.8lx, kind = %s\n",
- symbol_load_cmds, load_hdr->hdr.ldci_section_off, kind);
- }
-
- if (load_hdr->sym.symc_kind != SYMC_DEFINED_SYMBOLS)
- continue;
-
- str_sect = load_array[load_hdr->sym.symc_strings_section].section;
- if (str_sect == (char *)0)
- fatal ("string section missing");
-
- if (load_cmd->section == (char *)0)
- fatal ("section pointer missing");
-
- num_syms = load_hdr->sym.symc_nentries;
- for (i = 0; i < num_syms; i++)
- {
- symbol_info_t *sym = ((symbol_info_t *) load_cmd->section) + i;
- char *name = sym->si_name.symbol_name + str_sect;
-
- if (name[0] != '_')
- continue;
-
- if (rw)
- {
- char *n = name + strlen (name) - strlen (NAME__MAIN);
-
- if ((n - name) < 0 || strcmp (n, NAME__MAIN))
- continue;
- while (n != name)
- if (*--n != '_')
- continue;
-
- main_sym = sym;
- }
- else
- {
- switch (is_ctor_dtor (name))
- {
- case 1:
- add_to_list (&constructors, name);
- break;
-
- case 2:
- add_to_list (&destructors, name);
- break;
-
- default: /* not a constructor or destructor */
- continue;
- }
- }
-
- if (debug)
- fprintf (stderr, "\ttype = 0x%.4x, sc = 0x%.2x, flags = 0x%.8x, name = %.30s\n",
- sym->si_type, sym->si_sc_type, sym->si_flags, name);
- }
- }
- }
-
- if (symbol_load_cmds == 0)
- fatal ("no symbol table found");
-
- /* Update the program file now, rewrite header and load commands. At present,
- we assume that there is enough space after the last load command to insert
- one more. Since the first section written out is page aligned, and the
- number of load commands is small, this is ok for the present. */
-
- if (rw)
- {
- load_union_t *load_map;
- size_t size;
-
- if (cmd_strings == -1)
- fatal ("no cmd_strings found");
-
- /* Add __main to initializer list.
- If we are building a program instead of a shared library, don't
- do anything, since in the current version, you cannot do mallocs
- and such in the constructors. */
-
- if (main_sym != (symbol_info_t *)0
- && ((hdr.moh_flags & MOH_EXECABLE_F) == 0))
- add_func_table (&hdr, load_array, main_sym, FNTC_INITIALIZATION);
-
- if (debug)
- fprintf (stderr, "\nUpdating header and load commands.\n\n");
-
- hdr.moh_n_load_cmds++;
- size = sizeof (load_cmd_map_command_t) + (sizeof (mo_offset_t) * (hdr.moh_n_load_cmds - 1));
-
- /* Create new load command map. */
- if (debug)
- fprintf (stderr, "load command map, %d cmds, new size %ld.\n",
- (int)hdr.moh_n_load_cmds, (long)size);
-
- load_map = (load_union_t *) xcalloc (1, size);
- load_map->map.ldc_header.ldci_cmd_type = LDC_CMD_MAP;
- load_map->map.ldc_header.ldci_cmd_size = size;
- load_map->map.lcm_ld_cmd_strings = cmd_strings;
- load_map->map.lcm_nentries = hdr.moh_n_load_cmds;
- load_array[hdr.moh_n_load_cmds-1].load = load_map;
-
- offset = hdr.moh_first_cmd_off;
- for (i = 0; i < hdr.moh_n_load_cmds; i++)
- {
- load_map->map.lcm_map[i] = offset;
- if (load_array[i].load->hdr.ldci_cmd_type == LDC_CMD_MAP)
- hdr.moh_load_map_cmd_off = offset;
-
- offset += load_array[i].load->hdr.ldci_cmd_size;
- }
-
- hdr.moh_sizeofcmds = offset - MO_SIZEOF_RAW_HDR;
-
- if (debug)
- print_header (&hdr);
-
- /* Write header */
- status = encode_mach_o_hdr (&hdr, obj, MO_SIZEOF_RAW_HDR);
- if (status != MO_HDR_CONV_SUCCESS)
- bad_header (status);
-
- if (debug)
- fprintf (stderr, "writing load commands.\n\n");
-
- /* Write load commands */
- offset = hdr.moh_first_cmd_off;
- for (i = 0; i < hdr.moh_n_load_cmds; i++)
- {
- load_union_t *load_hdr = load_array[i].load;
- size_t size = load_hdr->hdr.ldci_cmd_size;
-
- if (debug)
- print_load_command (load_hdr, offset, i);
-
- bcopy ((char *)load_hdr, (char *)(obj + offset), size);
- offset += size;
- }
- }
-
- end_file (obj_file);
-
- if (close (prog_fd))
- fatal_perror ("closing %s", prog_name);
-
- if (debug)
- fprintf (stderr, "\n");
- }
-
-
- /* Add a function table to the load commands to call a function
- on initiation or termination of the process. */
-
- static void
- add_func_table (hdr_p, load_array, sym, type)
- mo_header_t *hdr_p; /* pointer to global header */
- load_all_t *load_array; /* array of ptrs to load cmds */
- symbol_info_t *sym; /* pointer to symbol entry */
- int type; /* fntc_type value */
- {
- /* Add a new load command. */
- int num_cmds = ++hdr_p->moh_n_load_cmds;
- int load_index = num_cmds - 1;
- size_t size = sizeof (func_table_command_t) + sizeof (mo_addr_t);
- load_union_t *ptr = xcalloc (1, size);
- load_all_t *load_cmd;
- int i;
-
- /* Set the unresolved address bit in the header to force the loader to be
- used, since kernel exec does not call the initialization functions. */
- hdr_p->moh_flags |= MOH_UNRESOLVED_F;
-
- load_cmd = &load_array[load_index];
- load_cmd->load = ptr;
- load_cmd->section = (char *)0;
-
- /* Fill in func table load command. */
- ptr->func.ldc_header.ldci_cmd_type = LDC_FUNC_TABLE;
- ptr->func.ldc_header.ldci_cmd_size = size;
- ptr->func.ldc_header.ldci_section_off = 0;
- ptr->func.ldc_header.ldci_section_len = 0;
- ptr->func.fntc_type = type;
- ptr->func.fntc_nentries = 1;
-
- /* copy address, turn it from abs. address to (region,offset) if necessary. */
- /* Is the symbol already expressed as (region, offset)? */
- if ((sym->si_flags & SI_ABSOLUTE_VALUE_F) == 0)
- {
- ptr->func.fntc_entry_loc[i].adr_lcid = sym->si_value.def_val.adr_lcid;
- ptr->func.fntc_entry_loc[i].adr_sctoff = sym->si_value.def_val.adr_sctoff;
- }
-
- /* If not, figure out which region it's in. */
- else
- {
- mo_vm_addr_t addr = sym->si_value.abs_val;
- int found = 0;
-
- for (i = 0; i < load_index; i++)
- {
- if (load_array[i].load->hdr.ldci_cmd_type == LDC_REGION)
- {
- region_command_t *region_ptr = &load_array[i].load->region;
-
- if ((region_ptr->regc_flags & REG_ABS_ADDR_F) != 0
- && addr >= region_ptr->regc_addr.vm_addr
- && addr <= region_ptr->regc_addr.vm_addr + region_ptr->regc_vm_size)
- {
- ptr->func.fntc_entry_loc[0].adr_lcid = i;
- ptr->func.fntc_entry_loc[0].adr_sctoff = addr - region_ptr->regc_addr.vm_addr;
- found++;
- break;
- }
- }
- }
-
- if (!found)
- fatal ("could not convert 0x%l.8x into a region", addr);
- }
-
- if (debug)
- fprintf (stderr,
- "%s function, region %d, offset = %ld (0x%.8lx)\n",
- (type == FNTC_INITIALIZATION) ? "init" : "term",
- (int)ptr->func.fntc_entry_loc[i].adr_lcid,
- (long)ptr->func.fntc_entry_loc[i].adr_sctoff,
- (long)ptr->func.fntc_entry_loc[i].adr_sctoff);
-
- }
-
-
- /* Print the global header for an OSF/rose object. */
-
- static void
- print_header (hdr_ptr)
- mo_header_t *hdr_ptr;
- {
- fprintf (stderr, "\nglobal header:\n");
- fprintf (stderr, "\tmoh_magic = 0x%.8lx\n", hdr_ptr->moh_magic);
- fprintf (stderr, "\tmoh_major_version = %d\n", (int)hdr_ptr->moh_major_version);
- fprintf (stderr, "\tmoh_minor_version = %d\n", (int)hdr_ptr->moh_minor_version);
- fprintf (stderr, "\tmoh_header_version = %d\n", (int)hdr_ptr->moh_header_version);
- fprintf (stderr, "\tmoh_max_page_size = %d\n", (int)hdr_ptr->moh_max_page_size);
- fprintf (stderr, "\tmoh_byte_order = %d\n", (int)hdr_ptr->moh_byte_order);
- fprintf (stderr, "\tmoh_data_rep_id = %d\n", (int)hdr_ptr->moh_data_rep_id);
- fprintf (stderr, "\tmoh_cpu_type = %d\n", (int)hdr_ptr->moh_cpu_type);
- fprintf (stderr, "\tmoh_cpu_subtype = %d\n", (int)hdr_ptr->moh_cpu_subtype);
- fprintf (stderr, "\tmoh_vendor_type = %d\n", (int)hdr_ptr->moh_vendor_type);
- fprintf (stderr, "\tmoh_load_map_cmd_off = %d\n", (int)hdr_ptr->moh_load_map_cmd_off);
- fprintf (stderr, "\tmoh_first_cmd_off = %d\n", (int)hdr_ptr->moh_first_cmd_off);
- fprintf (stderr, "\tmoh_sizeofcmds = %d\n", (int)hdr_ptr->moh_sizeofcmds);
- fprintf (stderr, "\tmon_n_load_cmds = %d\n", (int)hdr_ptr->moh_n_load_cmds);
- fprintf (stderr, "\tmoh_flags = 0x%.8lx", (long)hdr_ptr->moh_flags);
-
- if (hdr_ptr->moh_flags & MOH_RELOCATABLE_F)
- fprintf (stderr, ", relocatable");
-
- if (hdr_ptr->moh_flags & MOH_LINKABLE_F)
- fprintf (stderr, ", linkable");
-
- if (hdr_ptr->moh_flags & MOH_EXECABLE_F)
- fprintf (stderr, ", execable");
-
- if (hdr_ptr->moh_flags & MOH_EXECUTABLE_F)
- fprintf (stderr, ", executable");
-
- if (hdr_ptr->moh_flags & MOH_UNRESOLVED_F)
- fprintf (stderr, ", unresolved");
-
- fprintf (stderr, "\n\n");
- return;
- }
-
-
- /* Print a short summary of a load command. */
-
- static void
- print_load_command (load_hdr, offset, number)
- load_union_t *load_hdr;
- size_t offset;
- int number;
- {
- mo_long_t type = load_hdr->hdr.ldci_cmd_type;
- char *type_str = (char *)0;
-
- switch (type)
- {
- case LDC_UNDEFINED: type_str = "UNDEFINED"; break;
- case LDC_CMD_MAP: type_str = "CMD_MAP"; break;
- case LDC_INTERPRETER: type_str = "INTERPRETER"; break;
- case LDC_STRINGS: type_str = "STRINGS"; break;
- case LDC_REGION: type_str = "REGION"; break;
- case LDC_RELOC: type_str = "RELOC"; break;
- case LDC_PACKAGE: type_str = "PACKAGE"; break;
- case LDC_SYMBOLS: type_str = "SYMBOLS"; break;
- case LDC_ENTRY: type_str = "ENTRY"; break;
- case LDC_FUNC_TABLE: type_str = "FUNC_TABLE"; break;
- case LDC_GEN_INFO: type_str = "GEN_INFO"; break;
- }
-
- fprintf (stderr,
- "cmd %2d, sz: 0x%.2lx, coff: 0x%.3lx, doff: 0x%.6lx, dlen: 0x%.6lx",
- number,
- (long) load_hdr->hdr.ldci_cmd_size,
- (long) offset,
- (long) load_hdr->hdr.ldci_section_off,
- (long) load_hdr->hdr.ldci_section_len);
-
- if (type_str == (char *)0)
- fprintf (stderr, ", ty: unknown (%ld)\n", (long) type);
-
- else if (type != LDC_REGION)
- fprintf (stderr, ", ty: %s\n", type_str);
-
- else
- {
- char *region = "";
- switch (load_hdr->region.regc_usage_type)
- {
- case REG_TEXT_T: region = ", .text"; break;
- case REG_DATA_T: region = ", .data"; break;
- case REG_BSS_T: region = ", .bss"; break;
- case REG_GLUE_T: region = ", .glue"; break;
- #if defined (REG_RDATA_T) && defined (REG_SDATA_T) && defined (REG_SBSS_T) /*mips*/
- case REG_RDATA_T: region = ", .rdata"; break;
- case REG_SDATA_T: region = ", .sdata"; break;
- case REG_SBSS_T: region = ", .sbss"; break;
- #endif
- }
-
- fprintf (stderr, ", ty: %s, vaddr: 0x%.8lx, vlen: 0x%.6lx%s\n",
- type_str,
- (long) load_hdr->region.regc_vm_addr,
- (long) load_hdr->region.regc_vm_size,
- region);
- }
-
- return;
- }
-
-
- /* Fatal error when {en,de}code_mach_o_header fails. */
-
- static void
- bad_header (status)
- int status;
- {
- char *msg = (char *)0;
-
- switch (status)
- {
- case MO_ERROR_BAD_MAGIC: msg = "bad magic number"; break;
- case MO_ERROR_BAD_HDR_VERS: msg = "bad header version"; break;
- case MO_ERROR_BAD_RAW_HDR_VERS: msg = "bad raw header version"; break;
- case MO_ERROR_BUF2SML: msg = "raw header buffer too small"; break;
- case MO_ERROR_OLD_RAW_HDR_FILE: msg = "old raw header file"; break;
- case MO_ERROR_UNSUPPORTED_VERS: msg = "unsupported version"; break;
- }
-
- if (msg == (char *)0)
- fatal ("unknown {de,en}code_mach_o_hdr return value %d", status);
- else
- fatal ("%s", msg);
- }
-
-
- /* Read a file into a memory buffer. */
-
- static struct file_info *
- read_file (name, fd, rw)
- char *name; /* filename */
- int fd; /* file descriptor */
- int rw; /* read/write */
- {
- struct stat stat_pkt;
- struct file_info *p = (struct file_info *) xcalloc (sizeof (struct file_info), 1);
- #ifdef USE_MMAP
- static int page_size;
- #endif
-
- if (fstat (fd, &stat_pkt) < 0)
- fatal_perror ("fstat %s", name);
-
- p->name = name;
- p->size = stat_pkt.st_size;
- p->rounded_size = stat_pkt.st_size;
- p->fd = fd;
- p->rw = rw;
-
- #ifdef USE_MMAP
- if (debug)
- fprintf (stderr, "mmap %s, %s\n", name, (rw) ? "read/write" : "read-only");
-
- if (page_size == 0)
- page_size = sysconf (_SC_PAGE_SIZE);
-
- p->rounded_size = ((p->size + page_size - 1) / page_size) * page_size;
- p->start = mmap ((caddr_t)0,
- (rw) ? p->rounded_size : p->size,
- (rw) ? (PROT_READ | PROT_WRITE) : PROT_READ,
- MAP_FILE | MAP_VARIABLE | MAP_SHARED,
- fd,
- 0L);
-
- if (p->start != (char *)0 && p->start != (char *)-1)
- p->use_mmap = 1;
-
- else
- #endif /* USE_MMAP */
- {
- long len;
-
- if (debug)
- fprintf (stderr, "read %s\n", name);
-
- p->use_mmap = 0;
- p->start = xmalloc (p->size);
- if (lseek (fd, 0L, SEEK_SET) < 0)
- fatal_perror ("lseek to 0 on %s", name);
-
- len = read (fd, p->start, p->size);
- if (len < 0)
- fatal_perror ("read %s", name);
-
- if (len != p->size)
- fatal ("read %ld bytes, expected %ld, from %s", len, p->size, name);
- }
-
- return p;
- }
-
- /* Do anything necessary to write a file back from memory. */
-
- static void
- end_file (ptr)
- struct file_info *ptr; /* file information block */
- {
- #ifdef USE_MMAP
- if (ptr->use_mmap)
- {
- if (ptr->rw)
- {
- if (debug)
- fprintf (stderr, "msync %s\n", ptr->name);
-
- if (msync (ptr->start, ptr->rounded_size, MS_ASYNC))
- fatal_perror ("msync %s", ptr->name);
- }
-
- if (debug)
- fprintf (stderr, "munmap %s\n", ptr->name);
-
- if (munmap (ptr->start, ptr->size))
- fatal_perror ("munmap %s", ptr->name);
- }
- else
- #endif /* USE_MMAP */
- {
- if (ptr->rw)
- {
- long len;
-
- if (debug)
- fprintf (stderr, "write %s\n", ptr->name);
-
- if (lseek (ptr->fd, 0L, SEEK_SET) < 0)
- fatal_perror ("lseek to 0 on %s", ptr->name);
-
- len = write (ptr->fd, ptr->start, ptr->size);
- if (len < 0)
- fatal_perror ("read %s", ptr->name);
-
- if (len != ptr->size)
- fatal ("wrote %ld bytes, expected %ld, to %s", len, ptr->size, ptr->name);
- }
-
- free (ptr->start);
- }
-
- free (ptr);
- }
-
- #endif /* OBJECT_FORMAT_ROSE */
-