Subversion Repositories openrisc_2011-10-31

/* crtend object for windows32 targets.

   Copyright (C) 2007, 2008, 2009  Free Software Foundation, Inc.

   Contributed by Danny Smith <dannysmith@users.sourceforge.net>

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.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

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

/* Target machine header files require this define. */

#define IN_LIBGCC2

/* auto-host.h is needed by cygming.h for HAVE_GAS_WEAK and here

   for HAVE_LD_RO_RW_SECTION_MIXING.  */

#include "auto-host.h"

#include "tconfig.h"

#include "tsystem.h"

#include "coretypes.h"

#include "tm.h"

#include "unwind-dw2-fde.h"

#if defined(HAVE_LD_RO_RW_SECTION_MIXING)

# define EH_FRAME_SECTION_CONST const

#else

# define EH_FRAME_SECTION_CONST

#endif

#if DWARF2_UNWIND_INFO

/* Terminate the frame unwind info section with a 0 as a sentinel;

   this would be the 'length' field in a real FDE.  */

static EH_FRAME_SECTION_CONST int __FRAME_END__[]

  __attribute__ ((unused,  section(EH_FRAME_SECTION_NAME),

                  aligned(4)))

  = { 0 };

#endif

#if TARGET_USE_JCR_SECTION

/* Null terminate the .jcr section array.  */

static void *__JCR_END__[1]

   __attribute__ ((unused, section(JCR_SECTION_NAME),

                   aligned(sizeof(void *))))

   = { 0 };

#endif

extern void __gcc_register_frame (void);

extern void __gcc_deregister_frame (void);

static void register_frame_ctor (void) __attribute__ ((constructor (0)));

static void

register_frame_ctor (void)

{

  __gcc_register_frame ();

#if DEFAULT_USE_CXA_ATEXIT

  /* If we use the __cxa_atexit method to register C++ dtors

     at object construction,  also use atexit to register eh frame

     info cleanup.  */

  atexit (__gcc_deregister_frame);

#endif

}

#if !DEFAULT_USE_CXA_ATEXIT

static void deregister_frame_dtor (void) __attribute__ ((destructor (0)));

static void

deregister_frame_dtor (void)

{

  __gcc_deregister_frame ();

}

#endif