void
dtrace_copyout(uintptr_t kaddr, uintptr_t uaddr, size_t size, volatile uint16_t *flags)
{
UNREFERENCED_PARAMETER(flags);
if (dtrace_copycheck(uaddr, kaddr, size))
dtrace_copy(kaddr, uaddr, size);
}
void
dtrace_copyin(uintptr_t uaddr, uintptr_t kaddr, size_t size,
volatile uint16_t *flags)
{
if (dtrace_copycheck(uaddr, kaddr, size))
if (copyin((const void *)uaddr, (void *)kaddr, size)) {
DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR);
cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr;
}
}
uintptr_t
dtrace_fulword(void *uaddr)
{
uintptr_t ret = 0;
if (dtrace_copycheck((uintptr_t)uaddr, (uintptr_t)&ret, sizeof(ret))) {
if (copyin((const void *)uaddr, (void *)&ret, sizeof(ret))) {
DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR);
cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr;
}
}
return ret;
}
/*
* The bulk of this function could be replaced to match dtrace_copyinstr()
* if we ever implement a copyoutstr().
*/
void
dtrace_copyoutstr(uintptr_t kaddr, uintptr_t uaddr, size_t size,
volatile uint16_t *flags)
{
size_t len;
if (dtrace_copycheck(uaddr, kaddr, size)) {
len = strlen((const char *)kaddr);
if (len > size)
len = size;
if (copyout((const void *)kaddr, (void *)uaddr, len)) {
DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR);
cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr;
}
}
}
void
dtrace_copyinstr(uintptr_t uaddr, uintptr_t kaddr, size_t size,
volatile uint16_t *flags)
{
size_t actual;
int error;
if (dtrace_copycheck(uaddr, kaddr, size)) {
error = copyinstr((const void *)uaddr, (void *)kaddr,
size, &actual);
/* ENAMETOOLONG is not a fault condition. */
if (error && error != ENAMETOOLONG) {
DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR);
cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr;
}
}
}
