110 lines
2.0 KiB
C
110 lines
2.0 KiB
C
#include <dlfcn.h>
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#include <mcheck.h>
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#include <stdio.h>
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#include <stdlib.h>
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typedef int (*fn)(void);
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#define CHUNKS 1024
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#define REPEAT 64
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int
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main (void)
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{
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void *h1;
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void *h2;
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fn **foopp;
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fn bar, baz;
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int i, j;
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int n;
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void *allocs[REPEAT][CHUNKS];
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mtrace ();
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/* Open the two objects. */
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h1 = dlopen ("reldep6mod3.so", RTLD_LAZY);
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if (h1 == NULL)
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{
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printf ("cannot open reldep6mod3.so: %s\n", dlerror ());
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exit (1);
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}
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foopp = dlsym (h1, "foopp");
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if (foopp == NULL)
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{
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printf ("cannot get address of \"foopp\": %s\n", dlerror ());
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exit (1);
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}
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n = (**foopp) ();
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if (n != 20)
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{
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printf ("(**foopp)() return %d, not return 20\n", n);
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exit (1);
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}
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h2 = dlopen ("reldep6mod4.so", RTLD_LAZY);
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if (h2 == NULL)
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{
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printf ("cannot open reldep6mod4.so: %s\n", dlerror ());
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exit (1);
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}
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baz = dlsym (h2, "baz");
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if (baz == NULL)
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{
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printf ("cannot get address of \"baz\": %s\n", dlerror ());
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exit (1);
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}
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if (baz () != 31)
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{
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printf ("baz() did not return 31\n");
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exit (1);
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}
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if (dlclose (h1) != 0)
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{
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printf ("closing h1 failed: %s\n", dlerror ());
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exit (1);
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}
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/* Clobber memory. */
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for (i = 0; i < REPEAT; ++i)
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for (j = 0; j < CHUNKS; ++j)
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allocs[i][j] = calloc (1, j + 1);
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bar = dlsym (h2, "bar");
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if (bar == NULL)
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{
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printf ("cannot get address of \"bar\": %s\n", dlerror ());
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exit (1);
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}
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if (bar () != 40)
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{
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printf ("bar() did not return 40\n");
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exit (1);
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}
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baz = dlsym (h2, "baz");
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if (baz == NULL)
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{
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printf ("cannot get address of \"baz\": %s\n", dlerror ());
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exit (1);
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}
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if (baz () != 31)
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{
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printf ("baz() did not return 31\n");
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exit (1);
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}
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for (i = 0; i < REPEAT; ++i)
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for (j = 0; j < CHUNKS; ++j)
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free (allocs[i][j]);
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if (dlclose (h2) != 0)
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{
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printf ("closing h2 failed: %s\n", dlerror ());
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exit (1);
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}
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return 0;
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}
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