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Commit | Line | Data |
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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 | 26 | static int which_foo = 0; |
0959b6d4 | 27 | |
832b6fce A |
28 | void set_foo(int x) |
29 | { | |
30 | which_foo = x; | |
31 | } | |
0959b6d4 | 32 | |
832b6fce | 33 | static int foo_ten() |
0959b6d4 | 34 | { |
832b6fce A |
35 | return 10; |
36 | } | |
412ebb8e | 37 | |
832b6fce A |
38 | static 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" |
45 | void* 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 |