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glibc/elf/constload1.c
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#include <dlfcn.h> | |
#include <errno.h> | |
#include <error.h> | |
#include <mcheck.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
int | |
main (void) | |
{ | |
int (*foo) (void); | |
void *h; | |
int ret; | |
mtrace (); | |
h = dlopen ("constload2.so", RTLD_LAZY | RTLD_GLOBAL); | |
if (h == NULL) | |
error (EXIT_FAILURE, errno, "cannot load module \"constload2.so\""); | |
foo = dlsym (h, "foo"); | |
ret = foo (); | |
/* Note that the following dlclose() call cannot unload the objects. | |
Due to the introduced relocation dependency constload2.so depends | |
on constload3.so and the dependencies of constload2.so on constload3.so | |
is not visible to ld.so since it's done using dlopen(). */ | |
if (dlclose (h) != 0) | |
{ | |
puts ("failed to close"); | |
exit (EXIT_FAILURE); | |
} | |
return ret; | |
} |