Subversion Repositories openrisc_2011-10-31

/* Startup routines for NetWare.

   Contributed by Jan Beulich (jbeulich@novell.com)

   Copyright (C) 2004, 2007 Free Software Foundation, Inc.

This file is part of GCC.

GCC 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 3, or (at your option)

any later version.

GCC 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 GCC; see the file COPYING3.  If not see

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

#include <stddef.h>

#include <stdint.h>

#include "unwind-dw2-fde.h"

int __init_environment (void *);

int __deinit_environment (void *);

#define SECTION_DECL(name, decl) decl __attribute__((__section__(name)))

SECTION_DECL(".ctors",   void(*const __CTOR_LIST__)(void))

  = (void(*)(void))(intptr_t)-1;

SECTION_DECL(".ctors$_", void(*const __CTOR_END__)(void)) = NULL;

SECTION_DECL(".dtors",   void(*const __DTOR_LIST__)(void))

  = (void(*)(void))(intptr_t)-1;

SECTION_DECL(".dtors$_", void(*const __DTOR_END__)(void)) = NULL;

/* No need to use the __[de]register_frame_info_bases functions since

   for us the bases are NULL always anyway. */

void __register_frame_info (const void *, struct object *)

  __attribute__((__weak__));

void *__deregister_frame_info (const void *) __attribute__((__weak__));

SECTION_DECL(".eh_frame", /*const*/ uint32_t __EH_FRAME_BEGIN__[]) = { };

SECTION_DECL(".eh_frame$_", /*const*/ uint32_t __EH_FRAME_END__[]) = {0};

int

__init_environment (void *unused __attribute__((__unused__)))

{

  void (* const * pctor)(void);

  static struct object object;

  if (__register_frame_info)

    __register_frame_info (__EH_FRAME_BEGIN__, &object);

  for (pctor = &__CTOR_END__ - 1; pctor > &__CTOR_LIST__; --pctor)

    if (*pctor != NULL)

      (*pctor)();

  return 0;

}

int

__deinit_environment (void *unused __attribute__((__unused__)))

{

  /* This should be static to prevent calling the same destructor

     twice (just in case where we get here multiple times).  */

  static void (* const * pdtor)(void) = &__DTOR_LIST__ + 1;

  while (pdtor < &__DTOR_END__)

    if (*pdtor++ != NULL)

      pdtor[-1] ();

  if (__deregister_frame_info)

    __deregister_frame_info(__EH_FRAME_BEGIN__);

  return 0;

}