diff options
Diffstat (limited to 'lib/csu/common_elf/crtbeginS.c')
| -rw-r--r-- | lib/csu/common_elf/crtbeginS.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/lib/csu/common_elf/crtbeginS.c b/lib/csu/common_elf/crtbeginS.c deleted file mode 100644 index f3c784214a7..00000000000 --- a/lib/csu/common_elf/crtbeginS.c +++ /dev/null @@ -1,171 +0,0 @@ -/* $OpenBSD: crtbeginS.c,v 1.14 2013/12/28 18:38:42 kettenis Exp $ */ -/* $NetBSD: crtbegin.c,v 1.1 1996/09/12 16:59:03 cgd Exp $ */ - -/* - * Copyright (c) 1993 Paul Kranenburg - * All rights reserved. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Paul Kranenburg. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * 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. - */ - -/* - * Run-time module for GNU C++ compiled shared libraries. - * - * The linker constructs the following arrays of pointers to global - * constructors and destructors. The first element contains the - * number of pointers in each. - * The tables are also null-terminated. - - */ -#include <stdlib.h> - -#include "md_init.h" -#include "os-note-elf.h" -#include "extern.h" - -/* - * java class registration hooks - */ - -#if (__GNUC__ > 2) -static void *__JCR_LIST__[] - __attribute__((section(".jcr"), aligned(sizeof(void*)))) = { }; - -extern void _Jv_RegisterClasses (void *) - __attribute__((weak)); -#endif - -/* - * Include support for the __cxa_atexit/__cxa_finalize C++ abi for - * gcc > 2.x. __dso_handle is NULL in the main program and a unique - * value for each C++ shared library. For more info on this API, see: - * - * http://www.codesourcery.com/cxx-abi/abi.html#dso-dtor - */ - -#if (__GNUC__ > 2) -void *__dso_handle = &__dso_handle; -__asm(".hidden __dso_handle"); - -long __guard_local __dso_hidden __attribute__((section(".openbsd.randomdata"))); - -extern int __cxa_atexit(void (*)(void *), void *, void *) __attribute__((weak)); -extern void __cxa_finalize(void *) __attribute__((weak)); - -int -atexit(void (*fn)(void)) -{ - return (__cxa_atexit((void (*)(void *))fn, NULL, &__dso_handle)); -} -asm(".hidden atexit"); -#endif - -static init_f __CTOR_LIST__[1] - __attribute__((section(".ctors"))) = { (void *)-1 }; /* XXX */ -static init_f __DTOR_LIST__[1] - __attribute__((section(".dtors"))) = { (void *)-1 }; /* XXX */ - -static void __dtors(void) __used; -static void __ctors(void) __used; - -void -__ctors(void) -{ - unsigned long i = (unsigned long) __CTOR_LIST__[0]; - init_f *p; - - if (i == -1) { - for (i = 1; __CTOR_LIST__[i] != NULL; i++) - ; - i--; - } - p = __CTOR_LIST__ + i; - while (i--) { - (**p--)(); - } -} - -static void -__dtors(void) -{ - init_f *p = __DTOR_LIST__ + 1; - - while (*p) { - (**p++)(); - } -} -void _init(void); -void _fini(void); -static void _do_init(void) __used; -static void _do_fini(void) __used; - -MD_SECTION_PROLOGUE(".init", _init); - -MD_SECTION_PROLOGUE(".fini", _fini); - -MD_SECT_CALL_FUNC(".init", _do_init); -MD_SECT_CALL_FUNC(".fini", _do_fini); - -void -_do_init(void) -{ - static int initialized = 0; - - /* - * Call global constructors. - * Arrange to call global destructors at exit. - */ - if (!initialized) { - initialized = 1; - -#if (__GNUC__ > 2) - if (__JCR_LIST__[0] && _Jv_RegisterClasses) - _Jv_RegisterClasses(__JCR_LIST__); -#endif - - __ctors(); - } -} - -void -_do_fini(void) -{ - static int finalized = 0; - if (!finalized) { - finalized = 1; - -#if (__GNUC__ > 2) - if (__cxa_finalize != NULL) - __cxa_finalize(__dso_handle); -#endif - - /* - * since the _init() function sets up the destructors to - * be called by atexit, do not call the destructors here. - */ - __dtors(); - } -} |