glibc/elf/tst-tlsmod1.c

65 lines
1.1 KiB
C

#include <stdio.h>
#include <tls.h>
#include "tls-macros.h"
/* One define int variable, two externs. */
COMMON_INT_DEF(foo);
VAR_INT_DEF(bar);
VAR_INT_DECL(baz);
extern int in_dso (void);
int
in_dso (void)
{
int result = 0;
int *ap, *bp, *cp;
/* Get variables using initial exec model. */
fputs ("get sum of foo and bar (IE)", stdout);
asm ("" ::: "memory");
ap = TLS_IE (foo);
bp = TLS_IE (bar);
printf (" = %d\n", *ap + *bp);
result |= *ap + *bp != 3;
if (*ap != 1)
{
printf ("foo = %d\n", *ap);
result = 1;
}
if (*bp != 2)
{
printf ("bar = %d\n", *bp);
result = 1;
}
/* Get variables using generic dynamic model. */
fputs ("get sum of foo and bar and baz (GD)", stdout);
ap = TLS_GD (foo);
bp = TLS_GD (bar);
cp = TLS_GD (baz);
printf (" = %d\n", *ap + *bp + *cp);
result |= *ap + *bp + *cp != 6;
if (*ap != 1)
{
printf ("foo = %d\n", *ap);
result = 1;
}
if (*bp != 2)
{
printf ("bar = %d\n", *bp);
result = 1;
}
if (*cp != 3)
{
printf ("baz = %d\n", *cp);
result = 1;
}
return result;
}