register word sz = GC_size((ptr_t) ohdr);
if (HBLKPTR((ptr_t)ohdr) != HBLKPTR((ptr_t)body)
- || sz < sizeof (oh)) {
+ || sz < DEBUG_BYTES + EXTRA_BYTES) {
return(FALSE);
}
if (ohdr -> oh_sz == sz) {
(*(cl -> cl_fn))((GC_PTR)((char *)obj + sizeof(oh)), cl -> cl_data);
}
+/* Set ofn and ocd to reflect the values we got back. */
+static void store_old (obj, my_old_fn, my_old_cd, ofn, ocd)
+GC_PTR obj;
+GC_finalization_proc my_old_fn;
+struct closure * my_old_cd;
+GC_finalization_proc *ofn;
+GC_PTR *ocd;
+{
+ if (0 != my_old_fn) {
+ if (my_old_fn != GC_debug_invoke_finalizer) {
+ GC_err_printf1("Debuggable object at 0x%lx had non-debug finalizer.\n",
+ obj);
+ /* This should probably be fatal. */
+ } else {
+ if (ofn) *ofn = my_old_cd -> cl_fn;
+ if (ocd) *ocd = my_old_cd -> cl_data;
+ }
+ } else {
+ if (ofn) *ofn = 0;
+ if (ocd) *ocd = 0;
+ }
+}
# ifdef __STDC__
void GC_debug_register_finalizer(GC_PTR obj, GC_finalization_proc fn,
GC_PTR *ocd;
# endif
{
+ GC_finalization_proc my_old_fn;
+ GC_PTR my_old_cd;
ptr_t base = GC_base(obj);
if (0 == base || (ptr_t)obj - base != sizeof(oh)) {
GC_err_printf1(
"GC_register_finalizer called with non-base-pointer 0x%lx\n",
obj);
}
- GC_register_finalizer(base, GC_debug_invoke_finalizer,
- GC_make_closure(fn,cd), ofn, ocd);
+ if (0 == fn) {
+ GC_register_finalizer(base, 0, 0, &my_old_fn, &my_old_cd);
+ } else {
+ GC_register_finalizer(base, GC_debug_invoke_finalizer,
+ GC_make_closure(fn,cd), &my_old_fn, &my_old_cd);
+ }
+ store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd);
}
# ifdef __STDC__
GC_PTR *ocd;
# endif
{
+ GC_finalization_proc my_old_fn;
+ GC_PTR my_old_cd;
ptr_t base = GC_base(obj);
if (0 == base || (ptr_t)obj - base != sizeof(oh)) {
GC_err_printf1(
"GC_register_finalizer_no_order called with non-base-pointer 0x%lx\n",
obj);
}
- GC_register_finalizer_no_order(base, GC_debug_invoke_finalizer,
- GC_make_closure(fn,cd), ofn, ocd);
+ if (0 == fn) {
+ GC_register_finalizer_no_order(base, 0, 0, &my_old_fn, &my_old_cd);
+ } else {
+ GC_register_finalizer_no_order(base, GC_debug_invoke_finalizer,
+ GC_make_closure(fn,cd), &my_old_fn,
+ &my_old_cd);
+ }
+ store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd);
}
# ifdef __STDC__
GC_PTR *ocd;
# endif
{
+ GC_finalization_proc my_old_fn;
+ GC_PTR my_old_cd;
ptr_t base = GC_base(obj);
if (0 == base || (ptr_t)obj - base != sizeof(oh)) {
GC_err_printf1(
"GC_register_finalizer_ignore_self called with non-base-pointer 0x%lx\n",
obj);
}
- GC_register_finalizer_ignore_self(base, GC_debug_invoke_finalizer,
- GC_make_closure(fn,cd), ofn, ocd);
+ if (0 == fn) {
+ GC_register_finalizer_ignore_self(base, 0, 0, &my_old_fn, &my_old_cd);
+ } else {
+ GC_register_finalizer_ignore_self(base, GC_debug_invoke_finalizer,
+ GC_make_closure(fn,cd), &my_old_fn,
+ &my_old_cd);
+ }
+ store_old(obj, my_old_fn, (struct closure *)my_old_cd, ofn, ocd);
}
#ifdef GC_ADD_CALLER