NetBSD/lib/csu/common/crtbegin.c
2014-05-06 16:02:10 +00:00

136 lines
4.0 KiB
C

/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: crtbegin.c,v 1.9 2014/05/06 16:02:10 joerg Exp $");
#include "crtbegin.h"
typedef void (*fptr_t)(void);
__dso_hidden const fptr_t __JCR_LIST__[0] __section(".jcr");
__weakref_visible void Jv_RegisterClasses(const fptr_t *)
__weak_reference(_Jv_RegisterClasses);
#if !defined(HAVE_INITFINI_ARRAY)
__dso_hidden const fptr_t __aligned(sizeof(void *)) __CTOR_LIST__[] __section(".ctors") = {
(fptr_t) -1,
};
__dso_hidden extern const fptr_t __CTOR_LIST_END__[];
#endif
#ifdef SHARED
__dso_hidden void *__dso_handle = &__dso_handle;
__weakref_visible void cxa_finalize(void *)
__weak_reference(__cxa_finalize);
#else
__dso_hidden void *__dso_handle;
#endif
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
__dso_hidden
#if !defined(__mips__)
const
#endif
long __EH_FRAME_LIST__[0] __section(".eh_frame");
__weakref_visible void register_frame_info(const void *, const void *)
__weak_reference(__register_frame_info);
__weakref_visible void deregister_frame_info(const void *)
__weak_reference(__deregister_frame_info);
static long dwarf_eh_object[8];
#endif
static void __do_global_ctors_aux(void) __used;
static void __section(".text.startup")
__do_global_ctors_aux(void)
{
static unsigned char __initialized;
if (__initialized)
return;
__initialized = 1;
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
if (register_frame_info)
register_frame_info(__EH_FRAME_LIST__, &dwarf_eh_object);
#endif
if (Jv_RegisterClasses && __JCR_LIST__[0] != 0)
Jv_RegisterClasses(__JCR_LIST__);
#if !defined(HAVE_INITFINI_ARRAY)
for (const fptr_t *p = __CTOR_LIST_END__; p > __CTOR_LIST__ + 1; ) {
(*(*--p))();
}
#endif
}
#if !defined(__ARM_EABI__) || defined(SHARED) || defined(__ARM_DWARF_EH__)
#if !defined(HAVE_INITFINI_ARRAY)
__dso_hidden const fptr_t __aligned(sizeof(void *)) __DTOR_LIST__[] __section(".dtors") = {
(fptr_t) -1,
};
__dso_hidden extern const fptr_t __DTOR_LIST_END__[];
#endif
static void __do_global_dtors_aux(void) __used;
static void __section(".text.exit")
__do_global_dtors_aux(void)
{
static unsigned char __finished;
if (__finished)
return;
__finished = 1;
#ifdef SHARED
if (cxa_finalize)
(*cxa_finalize)(__dso_handle);
#endif
#if !defined(HAVE_INITFINI_ARRAY)
for (const fptr_t *p = __DTOR_LIST__ + 1; p < __DTOR_LIST_END__; ) {
(*(*p++))();
}
#endif
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
if (deregister_frame_info)
deregister_frame_info(__EH_FRAME_LIST__);
#endif
}
#endif /* !__ARM_EABI__ || SHARED || __ARM_DWARF_EH__ */