xref: /freebsd/lib/libc/arm/aeabi/aeabi_int_div.S (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1/*
2 * Copyright (C) 2017 Michal Meloun
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 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28#include <machine/asm.h>
29/*
30 * Due to bug in libcompiler_rt, all symbols declared by
31 * DEFINE_AEABI_FUNCTION_ALIAS() are not hidden. All these but
32 * __aeabi_uidiv_compat and/or __aeabi_idiv_compat  are explicitly
33 * exported from libc and don't causes problems.
34 *
35 * As workaround, export these from libc as compatible symbols,
36 * in global namespace
37 */
38
39ENTRY(__aeabi_uidiv_compat)
40	.symver __aeabi_uidiv_compat, __aeabi_uidiv@
41	b __udivsi3
42END(__aeabi_uidiv_compat)
43
44ENTRY(__aeabi_idiv_compat)
45	.symver __aeabi_idiv_compat, __aeabi_idiv@
46	b __divsi3
47END(__aeabi_idiv_compat)
48
49	.section .note.GNU-stack,"",%progbits
50