81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
#include <dlfcn.h>
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#include <stdio.h>
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#include <string.h>
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extern int test_in_mod1 (void *);
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extern int test_in_mod2 (void *);
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int
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main (int argc, char *argv[])
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{
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int (*ifp) (void);
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void *p;
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int result = 0;
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Dl_info info;
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dladdr(main, &info);
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if (info.dli_fname == NULL)
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{
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printf ("%s: dladdr returns NULL dli_fname\n", __FILE__);
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result = 1;
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}
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else if (strcmp (info.dli_fname, argv[0]))
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{
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printf ("%s: dladdr returned '%s' as dli_fname\n", __FILE__, info.dli_fname);
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result = 1;
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}
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else
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printf ("%s: dladdr returned correct dli_fname\n", __FILE__);
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/* Find function `main'. */
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p = dlsym (RTLD_DEFAULT, "main");
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if (p == NULL)
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{
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printf ("%s: main not found\n", __FILE__);
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result = 1;
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}
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else if (p != (void *) &main)
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{
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printf ("%s: wrong address returned for main\n", __FILE__);
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result = 1;
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}
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else
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printf ("%s: main correctly found\n", __FILE__);
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ifp = dlsym (RTLD_DEFAULT, "found_in_mod1");
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if ((void *) ifp == NULL)
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{
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printf ("%s: found_in_mod1 not found\n", __FILE__);
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result = 1;
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}
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else if (ifp () != 1)
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{
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printf ("%s: wrong address returned for found_in_mod1\n", __FILE__);
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result = 1;
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}
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else
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printf ("%s: found_in_mod1 correctly found\n", __FILE__);
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ifp = dlsym (RTLD_DEFAULT, "found_in_mod2");
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if ((void *) ifp == NULL)
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{
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printf ("%s: found_in_mod2 not found\n", __FILE__);
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result = 1;
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}
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else if (ifp () != 2)
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{
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printf ("%s: wrong address returned for found_in_mod2\n", __FILE__);
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result = 1;
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}
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else
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printf ("%s: found_in_mod2 correctly found\n", __FILE__);
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result |= test_in_mod1 ((void *) &main);
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result |= test_in_mod2 ((void *) &main);
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return result;
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}
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