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 * 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