diff options
Diffstat (limited to 'elf/lateglobal.c')
-rw-r--r-- | elf/lateglobal.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/elf/lateglobal.c b/elf/lateglobal.c new file mode 100644 index 0000000000..2f6c2692a6 --- /dev/null +++ b/elf/lateglobal.c @@ -0,0 +1,47 @@ +#include <dlfcn.h> +#include <mcheck.h> +#include <stdio.h> +#include <stdlib.h> + +int +main (void) +{ + void *h[2]; + int fail; + int (*fp) (void); + + mtrace (); + + h[0] = dlopen ("ltglobmod1.so", RTLD_LAZY); + if (h == NULL) + { + printf ("%s: cannot open %s: %s", + __FUNCTION__, "ltglobmod1.so", dlerror ()); + exit (EXIT_FAILURE); + } + h[1] = dlopen ("ltglobmod2.so", RTLD_LAZY); + if (h == NULL) + { + printf ("%s: cannot open %s: %s", + __FUNCTION__, "ltglobmod2.so", dlerror ()); + exit (EXIT_FAILURE); + } + + puts ("loaded \"ltglobmod1.so\" without RTLD_GLOBAL"); + + fp = dlsym (h[1], "foo"); + if (fp == NULL) + { + printf ("cannot get address of `foo': %s", dlerror ()); + exit (EXIT_FAILURE); + } + + fail = fp (); + + puts ("back in main"); + + dlclose (h[1]); + dlclose (h[0]); + + return fail; +} |