glibc/pm-helper.h

26 lines
529 B
C

#define puttag(a, b) __asm__ ("puttagd %1, %2, %0" \
: "=r" (a) \
: "r" (a), "ri" (b));
#define gettag(a) \
({ \
int res; \
__asm__ ("gettagd %1, %0" : "=r" (res) : "r" (a)); \
res; \
})
static void
print_pm_ptr (const char *name, void *arg)
{
long *arr = (long *) &arg;
int t[2];
t[0] = gettag (arr[0]);
t[1] = gettag (arr[1]);
puttag (arr[0], 0);
puttag (arr[1], 0);
printf ("%s == <0x%x> 0x%lx : <0x%x> 0x%lx\n",
name, t[0], arr[0], t[1], arr[1]);
}