1 /*- 2 * Copyright (c) 2013 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Matt Thomas of 3am Software Foundry. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #include <sys/cdefs.h> 30 __RCSID("$NetBSD: crtbegin.c,v 1.5 2013/08/26 14:20:53 matt Exp $"); 31 32 typedef void (*fptr_t)(void); 33 34 __dso_hidden const fptr_t __JCR_LIST__[0] __section(".jcr"); 35 36 __weakref_visible void Jv_RegisterClasses(const fptr_t *) 37 __weak_reference(_Jv_RegisterClasses); 38 39 #if !defined(HAVE_INITFINI_ARRAY) 40 __dso_hidden const fptr_t __CTOR_LIST__[] __section(".ctors") = { 41 (fptr_t) -1, 42 }; 43 __dso_hidden extern const fptr_t __CTOR_LIST_END__[]; 44 #endif 45 46 #ifdef SHARED 47 __dso_hidden void *__dso_handle = &__dso_handle; 48 49 __weakref_visible void cxa_finalize(void *) 50 __weak_reference(__cxa_finalize); 51 #else 52 __dso_hidden void *__dso_handle; 53 #endif 54 55 #if !defined(__ARM_EABI__) 56 __dso_hidden 57 #if !defined(__mips__) 58 const 59 #endif 60 long __EH_FRAME_LIST__[0] __section(".eh_frame"); 61 62 __weakref_visible void register_frame_info(const void *, const void *) 63 __weak_reference(__register_frame_info); 64 __weakref_visible void deregister_frame_info(const void *) 65 __weak_reference(__deregister_frame_info); 66 67 static long dwarf_eh_object[8]; 68 #endif 69 70 static void __do_global_ctors_aux(void) __used; 71 72 static void __section(".text.startup") 73 __do_global_ctors_aux(void) 74 { 75 static unsigned char __initialized; 76 77 if (__initialized) 78 return; 79 80 __initialized = 1; 81 82 #if !defined(__ARM_EABI__) 83 if (register_frame_info) 84 register_frame_info(__EH_FRAME_LIST__, &dwarf_eh_object); 85 #endif 86 87 if (Jv_RegisterClasses && __JCR_LIST__[0] != 0) 88 Jv_RegisterClasses(__JCR_LIST__); 89 90 #if !defined(HAVE_INITFINI_ARRAY) 91 for (const fptr_t *p = __CTOR_LIST_END__; p > __CTOR_LIST__ + 1; ) { 92 (*(*--p))(); 93 } 94 #endif 95 } 96 97 #if !defined(__ARM_EABI__) || defined(SHARED) 98 #if !defined(HAVE_INITFINI_ARRAY) 99 __dso_hidden const fptr_t __DTOR_LIST__[] __section(".dtors") = { 100 (fptr_t) -1, 101 }; 102 __dso_hidden extern const fptr_t __DTOR_LIST_END__[]; 103 #endif 104 105 static void __do_global_dtors_aux(void) __used; 106 107 static void __section(".text.exit") 108 __do_global_dtors_aux(void) 109 { 110 static unsigned char __finished; 111 112 if (__finished) 113 return; 114 115 __finished = 1; 116 117 #ifdef SHARED 118 if (cxa_finalize) 119 (*cxa_finalize)(__dso_handle); 120 #endif 121 122 #if !defined(HAVE_INITFINI_ARRAY) 123 for (const fptr_t *p = __DTOR_LIST__ + 1; p < __DTOR_LIST_END__; ) { 124 (*(*p++))(); 125 } 126 #endif 127 128 #if !defined(__ARM_EABI__) 129 if (deregister_frame_info) 130 deregister_frame_info(__EH_FRAME_LIST__); 131 #endif 132 } 133 #endif /* !__ARM_EABI__ || SHARED */ 134 135 #include "crtbegin.h" 136