mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-20 08:30:00 +00:00
415ac3df9b
Some symbols have to be identified process-wide by their name. This is particularly important for some C++ features (e.g., class local static data and static variables in inline functions). This cannot completely be implemented with ELF functionality so far. The STB_GNU_UNIQUE binding helps by ensuring the dynamic linker will always use the same definition for all symbols with the same name and this binding.
33 lines
532 B
C
33 lines
532 B
C
#include <config.h>
|
|
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
|
|
extern int var;
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
#ifdef HAVE_ASM_UNIQUE_OBJECT
|
|
var = 1;
|
|
|
|
void *h = dlopen ("tst-unique2mod2.so", RTLD_LAZY);
|
|
if (h == NULL)
|
|
{
|
|
puts ("cannot load tst-unique2mod2");
|
|
return 1;
|
|
}
|
|
int (*f) (int *) = dlsym (h, "f");
|
|
if (f == NULL)
|
|
{
|
|
puts ("cannot locate f in tst-unique2mod2");
|
|
return 1;
|
|
}
|
|
return f (&var);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|