1 /* $NetBSD: crtbegin.h,v 1.2 2014/05/06 16:02:10 joerg Exp $ */
2 /*-
3 * Copyright (c) 2013 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Matt Thomas of 3am Software Foundry.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 static void __do_global_ctors_aux(void) __attribute__((__constructor__)) __used;
32 #ifdef SHARED
33 static void __do_global_dtors_aux(void) __attribute__((__destructor__)) __used;
34 #endif
35
36 #if !defined(SHARED) && !defined(__ARM_DWARF_EH__)
37 static const void *find_exidx(void *, int *) __used;
38
39 static const void *
find_exidx(void * pc,int * pcount)40 find_exidx(void * pc, int * pcount)
41 {
42 extern __dso_hidden const char __exidx_start[];
43 extern __dso_hidden const char __exidx_end[];
44
45 *pcount = (__exidx_end - __exidx_start) / 8;
46 return __exidx_start;
47 }
48
49 __weak_alias(__gnu_Uwind_find_exidx,find_exidx)
50 #endif /* !SHARED && !__ARM_DWARF_EH__ */
51