90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* crtend object for windows32 targets.
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Copyright (C) 2007-2013 Free Software Foundation, Inc.
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Contributed by Danny Smith <dannysmith@users.sourceforge.net>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Target machine header files require this define. */
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#define IN_LIBGCC2
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/* auto-host.h is needed by cygming.h for HAVE_GAS_WEAK and here
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for HAVE_LD_RO_RW_SECTION_MIXING. */
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#include "auto-host.h"
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#include "tconfig.h"
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#include "tsystem.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "libgcc_tm.h"
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#include "unwind-dw2-fde.h"
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#if defined(HAVE_LD_RO_RW_SECTION_MIXING)
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# define EH_FRAME_SECTION_CONST const
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#else
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# define EH_FRAME_SECTION_CONST
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#endif
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#if DWARF2_UNWIND_INFO
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/* Terminate the frame unwind info section with a 0 as a sentinel;
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this would be the 'length' field in a real FDE. */
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static EH_FRAME_SECTION_CONST int __FRAME_END__[]
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__attribute__ ((used, section(EH_FRAME_SECTION_NAME),
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aligned(4)))
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= { 0 };
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#endif
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#if TARGET_USE_JCR_SECTION
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/* Null terminate the .jcr section array. */
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static void *__JCR_END__[1]
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__attribute__ ((used, section(JCR_SECTION_NAME),
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aligned(sizeof(void *))))
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= { 0 };
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#endif
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extern void __gcc_register_frame (void);
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extern void __gcc_deregister_frame (void);
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static void register_frame_ctor (void) __attribute__ ((constructor (0)));
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static void
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register_frame_ctor (void)
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{
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__gcc_register_frame ();
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#if DEFAULT_USE_CXA_ATEXIT
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/* If we use the __cxa_atexit method to register C++ dtors
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at object construction, also use atexit to register eh frame
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info cleanup. */
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atexit (__gcc_deregister_frame);
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#endif
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}
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#if !DEFAULT_USE_CXA_ATEXIT
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static void deregister_frame_dtor (void) __attribute__ ((destructor (0)));
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static void
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deregister_frame_dtor (void)
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{
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__gcc_deregister_frame ();
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}
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#endif
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