/*-
* 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 1.17 2018/12/28 18:17:11 christos 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)
extern __dso_hidden const fptr_t __CTOR_LIST__start __asm("__CTOR_LIST__");

__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 const 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__start + 1; ) {
               (*(*--p))();
       }
#endif
}

#if !defined(__ARM_EABI__) || defined(SHARED) || defined(__ARM_DWARF_EH__)
#if !defined(HAVE_INITFINI_ARRAY)
extern __dso_hidden const fptr_t __DTOR_LIST__start __asm("__DTOR_LIST__");

__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__start + 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__ */