/* Initialization code run first thing by the ELF startup code.  Common version

   Copyright (C) 1995-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#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>

/* Set nonzero if we have to be prepared for more than 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;

void

__libc_init_first (int argc, char **argv, char **envp)

{

#ifdef SHARED

  /* For DSOs we do not need __libc_init_first but instead _init.  */

}

void

attribute_hidden

_init (int argc, char **argv, char **envp)

{

#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.  */

      if (__fpu_control != GLRO(dl_fpu_control))

	__setfpucw (__fpu_control);

    }

  /* Save the command-line arguments.  */

  __libc_argc = argc;

  __libc_argv = argv;

  __environ = envp;

#ifndef SHARED

  /* First the initialization which normally would be done by the

     dynamic linker.  */

  _dl_non_dynamic_init ();

#endif

#ifdef VDSO_SETUP

  VDSO_SETUP ();

#endif

  __init_misc (argc, argv, envp);

#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS

  __libc_global_ctors ();

#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 ();

}