glibc/dlfcn/default.c

65 lines
1.3 KiB
C
Raw Normal View History

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