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glibc/elf/restest1.c
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#include <dlfcn.h> | |
#include <error.h> | |
#include <mcheck.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
int | |
main (void) | |
{ | |
void *h1; | |
int (*fp1) (int); | |
void *h2; | |
int (*fp2) (int); | |
int res1; | |
int res2; | |
mtrace (); | |
h1 = dlopen ("testobj1.so", RTLD_LAZY); | |
if (h1 == NULL) | |
error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1.so", | |
dlerror ()); | |
h2 = dlopen ("testobj1_1.so", RTLD_LAZY); | |
if (h1 == NULL) | |
error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1_1.so", | |
dlerror ()); | |
fp1 = dlsym (h1, "obj1func1"); | |
if (fp1 == NULL) | |
error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s", | |
"testobj1.so", dlerror ()); | |
fp2 = dlsym (h2, "obj1func1"); | |
if (fp2 == NULL) | |
error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s", | |
"testobj1_1.so", dlerror ()); | |
res1 = fp1 (10); | |
res2 = fp2 (10); | |
printf ("fp1(10) = %d\nfp2(10) = %d\n", res1, res2); | |
if (dlclose (h1) != 0) | |
error (EXIT_FAILURE, 0, "cannot close testobj1.so: %s\n", dlerror ()); | |
if (dlclose (h2) != 0) | |
error (EXIT_FAILURE, 0, "cannot close testobj1_1.so: %s\n", dlerror ()); | |
return res1 != 42 || res2 != 72; | |
} | |
extern int foo (int a); | |
int | |
foo (int a) | |
{ | |
return a + 10; | |
} |