Document new tristate __libc_missing_32bit_uids.

[kopensolaris-gnu/glibc.git] / sysdeps / mach / start.c

diff --git a/sysdeps/mach/start.c b/sysdeps/mach/start.c
index ed36281..0254696 100644 (file)
--- a/sysdeps/mach/start.c
+++ b/sysdeps/mach/start.c
@@ -1,20 +1,20 @@
-/* Copyright (C) 1992, 1993 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1992, 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <stddef.h>
 #include <stdlib.h>
@@ -29,12 +29,9 @@ Cambridge, MA 02139, USA.  */
 /* The first piece of initialized data.  */
 int __data_start = 0;
 
+#ifndef _HURD_THREADVAR_H
 volatile int errno;
-
-#ifndef        HAVE_GNU_LD
-#define        __environ       environ
 #endif
-char **__environ;
 
 extern void __mach_init (void);
 extern void __libc_init (int argc, char **argv, char **envp);
@@ -46,30 +43,45 @@ extern int main (int argc, char **argv, char **envp);
 void *(*_cthread_init_routine) (void); /* Returns new SP to use.  */
 void (*_cthread_exit_routine) (int status);
 
-void
-_start (void)
+
+/* These are for communication from _start to start1,
+   where we cannot use the stack for anything.  */
+static int start_argc;
+static char **start_argv;
+
+/* _start calls this on the new stack.  */
+static volatile void
+start1 (void)
 {
-  register int argc;
-  register char **argv;
+  __libc_init (start_argc, start_argv, __environ);
 
-#ifndef SNARF_ARGS
-#error SNARF_ARGS not defined by sysdeps/mach/MACHINE/sysdep.h
-#endif
-  SNARF_ARGS (argc, argv, __environ);
+  (_cthread_exit_routine != NULL ? *_cthread_exit_routine : exit)
+    (main (start_argc, start_argv, __environ));
 
-  __mach_init ();
+  /* Should never get here.  */
+  LOSE;
+}
 
-  if (_cthread_init_routine != NULL)
-#ifndef        SET_SP
-#error SET_SP not defined by sysdeps/mach/MACHINE/sysdep.h
+#ifndef START_ARGS
+#define START_ARGS void
+#endif
+#ifdef START_MACHDEP
+START_MACHDEP
+#define _start _start0
 #endif
-    SET_SP ((*_cthread_init_routine) ());
 
-  __libc_init (argc, argv, __environ);
+void
+_start (START_ARGS)
+{
+  SNARF_ARGS (start_argc, start_argv, __environ);
+
+  __mach_init ();
 
-  (_cthread_exit_routine != NULL ? *_cthread_exit_routine : exit)
-    (main (argc, argv, __environ));
+  if (_cthread_init_routine != NULL)
+    CALL_WITH_SP (start1, (*_cthread_init_routine) ());
+  else
+    start1 ();
 
   /* Should never get here.  */
-  _exit (-1);
+  LOSE;
 }