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Diffstat (limited to 'libc/hurd-l4/sysdeps/l4/hurd/init-first.c')
-rw-r--r--libc/hurd-l4/sysdeps/l4/hurd/init-first.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/libc/hurd-l4/sysdeps/l4/hurd/init-first.c b/libc/hurd-l4/sysdeps/l4/hurd/init-first.c
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+++ b/libc/hurd-l4/sysdeps/l4/hurd/init-first.c
@@ -0,0 +1,124 @@
+/* Initialization code run first thing by the ELF startup code. Linux version.
+ Copyright (C) 1995-1999,2000,01,02,03,2004 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sysdep.h>
+#include <fpu_control.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <libc-internal.h>
+
+#include <ldsodefs.h>
+
+/* The function is called from assembly stubs the compiler can't see. */
+static void init (int, char **, char **) __attribute__ ((used));
+
+/* Set nonzero if we have to be prepared for more then one libc being
+ used in the process. Safe assumption if initializer never runs. */
+int __libc_multiple_libcs attribute_hidden = 1;
+
+/* Remember the command line argument and enviroment contents for
+ later calls of initializers for dynamic libraries. */
+int __libc_argc attribute_hidden;
+char **__libc_argv attribute_hidden;
+
+
+static void
+init (int argc, char **argv, char **envp)
+{
+#ifdef USE_NONOPTION_FLAGS
+ extern void __getopt_clean_environment (char **);
+#endif
+
+ __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up;
+
+ /* Make sure we don't initialize twice. */
+ if (!__libc_multiple_libcs)
+ {
+ /* Set the FPU control word to the proper default value if the
+ kernel would use a different value. (In a static program we
+ don't have this information.) */
+#ifdef SHARED
+ if (__fpu_control != GLRO(dl_fpu_control))
+#endif
+ __setfpucw (__fpu_control);
+ }
+
+ /* Save the command-line arguments. */
+ __libc_argc = argc;
+ __libc_argv = argv;
+ __environ = envp;
+
+#ifndef SHARED
+ __libc_init_secure ();
+
+ /* First the initialization which normally would be done by the
+ dynamic linker. */
+ _dl_non_dynamic_init ();
+#endif
+
+ __init_misc (argc, argv, envp);
+
+#ifdef USE_NONOPTION_FLAGS
+ /* This is a hack to make the special getopt in GNU libc working. */
+ __getopt_clean_environment (envp);
+#endif
+
+#ifdef SHARED
+ __libc_global_ctors ();
+#endif
+}
+
+#ifdef SHARED
+
+strong_alias (init, _init);
+
+extern void __libc_init_first (void);
+
+void
+__libc_init_first (void)
+{
+}
+
+#else
+extern void __libc_init_first (int argc, char **argv, char **envp);
+
+void
+__libc_init_first (int argc, char **argv, char **envp)
+{
+ init (argc, argv, envp);
+}
+#endif
+
+
+/* This function is defined here so that if this file ever gets into
+ ld.so we will get a link error. Having this file silently included
+ in ld.so causes disaster, because the _init definition above will
+ cause ld.so to gain an init function, which is not a cool thing. */
+
+extern void _dl_start (void) __attribute__ ((noreturn));
+
+void
+_dl_start (void)
+{
+ abort ();
+}