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0959b6d4 1/*
832b6fce 2 * Copyright (c) 2012 Apple Inc. All rights reserved.
0959b6d4
A
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
0959b6d4 23
832b6fce 24#include <stdlib.h>
0959b6d4 25
832b6fce 26static int which_foo = 0;
0959b6d4 27
832b6fce
A
28void set_foo(int x)
29{
30 which_foo = x;
31}
0959b6d4 32
832b6fce 33static int foo_ten()
0959b6d4 34{
832b6fce
A
35 return 10;
36}
412ebb8e 37
832b6fce
A
38static int foo_zero()
39{
40 return 0;
0959b6d4
A
41}
42
43
832b6fce
A
44// This foo is a "resolver" function that return the actual address of "foo"
45void* foo()
46{
47 __asm__(".symbol_resolver _foo"); // magic until we have compiler support
48 if ( which_foo == 0 )
49 return &foo_zero;
50 else
51 return &foo_ten;
52}
53