glibc/elf/tst-audit2.c
Roland McGrath cafdfdb65b * elf/rtld.c (dl_main): Run final self-relocation after setting up TLS.
From Alexandre Oliva <aoliva@redhat.com>.

	* elf/tst-audit2.c: New file.
	* elf/Makefile (tests): Add it.
	($(objpfx)tst-audit2.out): New target.
	(tst-audit2-ENV): New variable.

	* elf/tst-leaks1.c: Include <stdio.h>.
2006-03-19 07:48:05 +00:00

51 lines
997 B
C

/* Test case for early TLS initialization in dynamic linker. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE___THREAD
# define MAGIC1 0xabcdef72
# define MAGIC2 0xd8675309
static __thread unsigned int magic[] = { MAGIC1, MAGIC2 };
#endif
#undef calloc
/* This calloc definition will be called by the dynamic linker itself.
We test that it has initialized our TLS block by the time it does so. */
void *
calloc (size_t n, size_t m)
{
#if HAVE___THREAD
if (magic[0] != MAGIC1 || magic[1] != MAGIC2)
{
printf ("{%x, %x} != {%x, %x}\n", magic[0], magic[1], MAGIC1, MAGIC2);
abort ();
}
magic[0] = MAGIC2;
magic[1] = MAGIC1;
#endif
n *= m;
void *ptr = malloc (n);
if (ptr != NULL)
memset (ptr, '\0', n);
return ptr;
}
int
main (void)
{
#if HAVE___THREAD
if (magic[1] != MAGIC1 || magic[0] != MAGIC2)
{
printf ("{%x, %x} != {%x, %x}\n", magic[0], magic[1], MAGIC2, MAGIC1);
return 1;
}
#endif
return 0;
}