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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup rtld |
29 | /** @addtogroup rtld |
| 30 | * @brief Test dynamic linking capabilities. |
30 | * @brief Test dynamic linking capabilities. |
| 31 | * @{ |
31 | * @{ |
| 32 | */ |
32 | */ |
| 33 | /** |
33 | /** |
| 34 | * @file |
34 | * @file |
| 35 | */ |
35 | */ |
| 36 | 36 | ||
| - | 37 | #include <libtest.h> |
|
| - | 38 | ||
| 37 | void __io_init(void); |
39 | void __io_init(void); |
| 38 | void __main(void); |
40 | void __main(void); |
| 39 | void __exit(void); |
41 | void __exit(void); |
| 40 | 42 | ||
| 41 | static void kputint(unsigned i) |
43 | static void kputint(unsigned i) |
| 42 | { |
44 | { |
| 43 | unsigned dummy; |
45 | unsigned dummy; |
| 44 | asm volatile ( |
46 | asm volatile ( |
| 45 | "movl $30, %%eax;" |
47 | "movl $30, %%eax;" |
| 46 | "int $0x30" |
48 | "int $0x30" |
| 47 | : "=d" (dummy) /* output - %edx clobbered */ |
49 | : "=d" (dummy) /* output - %edx clobbered */ |
| 48 | : "d" (i) /* input */ |
50 | : "d" (i) /* input */ |
| 49 | : "%eax","%ecx" /* all scratch registers clobbered */ |
51 | : "%eax","%ecx" /* all scratch registers clobbered */ |
| 50 | ); |
52 | ); |
| 51 | } |
53 | } |
| 52 | 54 | ||
| 53 | 55 | ||
| 54 | static void test(void) |
56 | static void test(void) |
| 55 | { |
57 | { |
| 56 | kputint(-1); |
58 | kputint(-1); |
| 57 | kputint(42); |
59 | kputint(42); |
| 58 | while(1); |
60 | while(1); |
| 59 | } |
61 | } |
| 60 | 62 | ||
| 61 | int main(int argc, char *argv[]) |
63 | int main(int argc, char *argv[]) |
| 62 | { |
64 | { |
| 63 | test(); |
65 | test(); |
| - | 66 | /* Unreachable, yet. Just to create a relocation entry */ |
|
| - | 67 | test_func(); |
|
| 64 | return 0; |
68 | return 0; |
| 65 | } |
69 | } |
| 66 | 70 | ||
| 67 | void __io_init(void) |
71 | void __io_init(void) |
| 68 | { |
72 | { |
| 69 | } |
73 | } |
| 70 | 74 | ||
| 71 | void __main(void) |
75 | void __main(void) |
| 72 | { |
76 | { |
| 73 | main(0, 0); |
77 | main(0, 0); |
| 74 | } |
78 | } |
| 75 | 79 | ||
| 76 | void __exit(void) |
80 | void __exit(void) |
| 77 | { |
81 | { |
| 78 | } |
82 | } |
| 79 | 83 | ||
| 80 | 84 | ||
| 81 | /** @} |
85 | /** @} |
| 82 | */ |
86 | */ |
| 83 | 87 | ||
| 84 | 88 | ||