blob: a54ed0d15e53ab13f8fa17eba802ea189b04bd32 [file] [log] [blame]
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -07001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
Kenny Root03273f82012-04-10 17:24:24 -070029#include <machine/asm.h>
30
31ENTRY(__on_dlclose)
32
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -070033# Implement static C++ destructors when the shared
34# library is unloaded through dlclose().
35#
36# A call to this function must be the first entry
37# in the .fini_array. See 3.3.5.3.C of C++ ABI
38# standard.
39#
40__on_dlclose:
Kenny Rootbe101bf2012-03-05 10:45:31 -080041 adr r0, 0f
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -070042 ldr r0, [r0]
43 b __cxa_finalize
44
Kenny Rootbe101bf2012-03-05 10:45:31 -0800450:
46 .long __dso_handle
47
48 .section .init_array, "aw"
49 .globl __INIT_ARRAY__
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -070050__INIT_ARRAY__:
Kenny Rootbe101bf2012-03-05 10:45:31 -080051 .long -1
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -070052
53 .section .fini_array, "aw"
54 .globl __FINI_ARRAY__
55__FINI_ARRAY__:
56 .long -1
57 .long __on_dlclose
58
Kenny Root03273f82012-04-10 17:24:24 -070059END(__on_dlclose)
60
Bruce Beare39640842011-06-20 10:29:50 -070061#ifdef CRT_LEGACY_WORKAROUND
David 'Digit' Turner6a9b8882010-06-18 14:47:22 -070062#include "__dso_handle.S"
Bruce Beare39640842011-06-20 10:29:50 -070063#else
64#include "__dso_handle_so.S"
65#endif
66
67#include "atexit.S"