]>
Commit | Line | Data |
---|---|---|
c47e78b1 UD |
1 | #include <dlfcn.h> |
2 | #include <mcheck.h> | |
3 | #include <stdio.h> | |
4 | #include <stdlib.h> | |
5 | ||
6 | typedef int (*fn)(void); | |
7 | #define CHUNKS 1024 | |
8 | #define REPEAT 64 | |
9 | ||
10 | int | |
11 | main (void) | |
12 | { | |
13 | void *h1; | |
14 | void *h2; | |
15 | fn **foopp; | |
16 | fn bar, baz; | |
17 | int i, j; | |
18 | int n; | |
19 | void *allocs[REPEAT][CHUNKS]; | |
20 | ||
21 | mtrace (); | |
22 | ||
23 | /* Open the two objects. */ | |
24 | h1 = dlopen ("reldep6mod3.so", RTLD_LAZY); | |
25 | if (h1 == NULL) | |
26 | { | |
27 | printf ("cannot open reldep6mod3.so: %s\n", dlerror ()); | |
28 | exit (1); | |
29 | } | |
30 | ||
31 | foopp = dlsym (h1, "foopp"); | |
32 | if (foopp == NULL) | |
33 | { | |
34 | printf ("cannot get address of \"foopp\": %s\n", dlerror ()); | |
35 | exit (1); | |
36 | } | |
37 | n = (**foopp) (); | |
38 | if (n != 20) | |
39 | { | |
40 | printf ("(**foopp)() return %d, not return 20\n", n); | |
41 | exit (1); | |
42 | } | |
43 | ||
44 | h2 = dlopen ("reldep6mod4.so", RTLD_LAZY); | |
45 | if (h2 == NULL) | |
46 | { | |
47 | printf ("cannot open reldep6mod4.so: %s\n", dlerror ()); | |
48 | exit (1); | |
49 | } | |
50 | ||
aff4519d UD |
51 | baz = dlsym (h2, "baz"); |
52 | if (baz == NULL) | |
53 | { | |
54 | printf ("cannot get address of \"baz\": %s\n", dlerror ()); | |
55 | exit (1); | |
56 | } | |
57 | if (baz () != 31) | |
58 | { | |
59 | printf ("baz() did not return 31\n"); | |
60 | exit (1); | |
61 | } | |
62 | ||
c47e78b1 UD |
63 | if (dlclose (h1) != 0) |
64 | { | |
65 | printf ("closing h1 failed: %s\n", dlerror ()); | |
66 | exit (1); | |
67 | } | |
68 | ||
69 | /* Clobber memory. */ | |
70 | for (i = 0; i < REPEAT; ++i) | |
71 | for (j = 0; j < CHUNKS; ++j) | |
72 | allocs[i][j] = calloc (1, j + 1); | |
73 | ||
74 | bar = dlsym (h2, "bar"); | |
75 | if (bar == NULL) | |
76 | { | |
77 | printf ("cannot get address of \"bar\": %s\n", dlerror ()); | |
78 | exit (1); | |
79 | } | |
80 | if (bar () != 40) | |
81 | { | |
82 | printf ("bar() did not return 40\n"); | |
83 | exit (1); | |
84 | } | |
85 | ||
86 | baz = dlsym (h2, "baz"); | |
87 | if (baz == NULL) | |
88 | { | |
89 | printf ("cannot get address of \"baz\": %s\n", dlerror ()); | |
90 | exit (1); | |
91 | } | |
92 | if (baz () != 31) | |
93 | { | |
94 | printf ("baz() did not return 31\n"); | |
95 | exit (1); | |
96 | } | |
97 | ||
98 | for (i = 0; i < REPEAT; ++i) | |
99 | for (j = 0; j < CHUNKS; ++j) | |
100 | free (allocs[i][j]); | |
101 | ||
102 | if (dlclose (h2) != 0) | |
103 | { | |
104 | printf ("closing h2 failed: %s\n", dlerror ()); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } |