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/*-
* SPDX-License-Identifier: BSD-1-Clause
*
* Copyright 2018 Andrew Turner
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include "crt.h"
typedef void (*crt_func)(void);
extern void *__dso_handle __hidden;
#ifdef SHARED
void *__dso_handle = &__dso_handle;
#else
void *__dso_handle = 0;
#endif
/*
* On some architectures and toolchains we may need to call the .dtors.
* These are called in the order they are in the ELF file.
*/
#ifdef HAVE_CTORS
static void __do_global_dtors_aux(void) __used;
static crt_func __CTOR_LIST__[] __section(".ctors") __used = {
(crt_func)-1
};
static crt_func __DTOR_LIST__[] __section(".dtors") __used = {
(crt_func)-1
};
static void
__do_global_dtors_aux(void)
{
crt_func fn;
int n;
for (n = 1;; n++) {
fn = __DTOR_LIST__[n];
if (fn == (crt_func)0 || fn == (crt_func)-1)
break;
fn();
}
}
asm (
".pushsection .fini \n"
"\t" INIT_CALL_SEQ(__do_global_dtors_aux) "\n"
".popsection \n"
);
#endif
/*
* Handler for gcj. These provide a _Jv_RegisterClasses function and fill
* out the .jcr section. We just need to call this function with a pointer
* to the appropriate section.
*/
extern void _Jv_RegisterClasses(void *) __weak_symbol;
static void register_classes(void) __used;
static crt_func __JCR_LIST__[] __section(".jcr") __used = { };
#ifndef CTORS_CONSTRUCTORS
__attribute__((constructor))
#endif
static void
register_classes(void)
{
if (_Jv_RegisterClasses != NULL && __JCR_LIST__[0] != 0)
_Jv_RegisterClasses(__JCR_LIST__);
}
/*
* We can't use constructors when they use the .ctors section as they may be
* placed before __CTOR_LIST__.
*/
#ifdef CTORS_CONSTRUCTORS
asm (
".pushsection .init \n"
"\t" INIT_CALL_SEQ(register_classes) "\n"
".popsection \n"
);
#endif
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