void print_object(outputStream* out, oop obj) {
#ifdef PRODUCT
klassOop k = obj->klass();
const char* class_name = instanceKlass::cast(k)->external_name();
out->print_cr("class name %s", class_name);
#else // PRODUCT
obj->print_on(out);
#endif // PRODUCT
}
void do_object(oop obj) {
if (!obj->is_shared() &&
!obj->is_forwarded()) {
++count;
if (Verbose) {
tty->print("Unreferenced object: ");
obj->print_on(tty);
}
}
}
template <class T> void do_oop_work(T* p) {
assert(_containing_obj != NULL, "Precondition");
assert(!_g1h->is_obj_dead_cond(_containing_obj, _use_prev_marking),
"Precondition");
T heap_oop = oopDesc::load_heap_oop(p);
if (!oopDesc::is_null(heap_oop)) {
oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
bool failed = false;
if (!_g1h->is_in_closed_subset(obj) ||
_g1h->is_obj_dead_cond(obj, _use_prev_marking)) {
if (!_failures) {
gclog_or_tty->print_cr("");
gclog_or_tty->print_cr("----------");
}
if (!_g1h->is_in_closed_subset(obj)) {
HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
gclog_or_tty->print_cr("Field "PTR_FORMAT
" of live obj "PTR_FORMAT" in region "
"["PTR_FORMAT", "PTR_FORMAT")",
p, (void*) _containing_obj,
from->bottom(), from->end());
print_object(gclog_or_tty, _containing_obj);
gclog_or_tty->print_cr("points to obj "PTR_FORMAT" not in the heap",
(void*) obj);
} else {
HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
HeapRegion* to = _g1h->heap_region_containing((HeapWord*)obj);
gclog_or_tty->print_cr("Field "PTR_FORMAT
" of live obj "PTR_FORMAT" in region "
"["PTR_FORMAT", "PTR_FORMAT")",
p, (void*) _containing_obj,
from->bottom(), from->end());
print_object(gclog_or_tty, _containing_obj);
gclog_or_tty->print_cr("points to dead obj "PTR_FORMAT" in region "
"["PTR_FORMAT", "PTR_FORMAT")",
(void*) obj, to->bottom(), to->end());
print_object(gclog_or_tty, obj);
}
gclog_or_tty->print_cr("----------");
_failures = true;
failed = true;
_n_failures++;
}
if (!_g1h->full_collection()) {
HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
HeapRegion* to = _g1h->heap_region_containing(obj);
if (from != NULL && to != NULL &&
from != to &&
!to->isHumongous()) {
jbyte cv_obj = *_bs->byte_for_const(_containing_obj);
jbyte cv_field = *_bs->byte_for_const(p);
const jbyte dirty = CardTableModRefBS::dirty_card_val();
bool is_bad = !(from->is_young()
|| to->rem_set()->contains_reference(p)
|| !G1HRRSFlushLogBuffersOnVerify && // buffers were not flushed
(_containing_obj->is_objArray() ?
cv_field == dirty
: cv_obj == dirty || cv_field == dirty));
if (is_bad) {
if (!_failures) {
gclog_or_tty->print_cr("");
gclog_or_tty->print_cr("----------");
}
gclog_or_tty->print_cr("Missing rem set entry:");
gclog_or_tty->print_cr("Field "PTR_FORMAT
" of obj "PTR_FORMAT
", in region %d ["PTR_FORMAT
", "PTR_FORMAT"),",
p, (void*) _containing_obj,
from->hrs_index(),
from->bottom(),
from->end());
_containing_obj->print_on(gclog_or_tty);
gclog_or_tty->print_cr("points to obj "PTR_FORMAT
" in region %d ["PTR_FORMAT
", "PTR_FORMAT").",
(void*) obj, to->hrs_index(),
to->bottom(), to->end());
obj->print_on(gclog_or_tty);
gclog_or_tty->print_cr("Obj head CTE = %d, field CTE = %d.",
cv_obj, cv_field);
gclog_or_tty->print_cr("----------");
_failures = true;
if (!failed) _n_failures++;
}
}
}
}
}