void HeapRegionSeq::verify_optional() {
guarantee(length() <= _allocated_length,
err_msg("invariant: _length: %u _allocated_length: %u",
length(), _allocated_length));
guarantee(_allocated_length <= max_length(),
err_msg("invariant: _allocated_length: %u _max_length: %u",
_allocated_length, max_length()));
guarantee(_next_search_index <= length(),
err_msg("invariant: _next_search_index: %u _length: %u",
_next_search_index, length()));
HeapWord* prev_end = heap_bottom();
for (uint i = 0; i < _allocated_length; i += 1) {
HeapRegion* hr = _regions.get_by_index(i);
guarantee(hr != NULL, err_msg("invariant: i: %u", i));
guarantee(hr->bottom() == prev_end,
err_msg("invariant i: %u "HR_FORMAT" prev_end: "PTR_FORMAT,
i, HR_FORMAT_PARAMS(hr), p2i(prev_end)));
guarantee(hr->hrs_index() == i,
err_msg("invariant: i: %u hrs_index(): %u", i, hr->hrs_index()));
if (i < length()) {
// Asserts will fire if i is >= _length
HeapWord* addr = hr->bottom();
guarantee(addr_to_region(addr) == hr, "sanity");
guarantee(addr_to_region_unsafe(addr) == hr, "sanity");
} else {
guarantee(hr->is_empty(), "sanity");
guarantee(!hr->isHumongous(), "sanity");
// using assert instead of guarantee here since containing_set()
// is only available in non-product builds.
assert(hr->containing_set() == NULL, "sanity");
}
if (hr->startsHumongous()) {
prev_end = hr->orig_end();
} else {
prev_end = hr->end();
}
}
for (uint i = _allocated_length; i < max_length(); i += 1) {
guarantee(_regions.get_by_index(i) == NULL, err_msg("invariant i: %u", i));
}
}
void HeapRegionManager::verify() {
guarantee(length() <= _allocated_heapregions_length,
"invariant: _length: %u _allocated_length: %u",
length(), _allocated_heapregions_length);
guarantee(_allocated_heapregions_length <= max_length(),
"invariant: _allocated_length: %u _max_length: %u",
_allocated_heapregions_length, max_length());
bool prev_committed = true;
uint num_committed = 0;
HeapWord* prev_end = heap_bottom();
for (uint i = 0; i < _allocated_heapregions_length; i++) {
if (!is_available(i)) {
prev_committed = false;
continue;
}
num_committed++;
HeapRegion* hr = _regions.get_by_index(i);
guarantee(hr != NULL, "invariant: i: %u", i);
guarantee(!prev_committed || hr->bottom() == prev_end,
"invariant i: %u " HR_FORMAT " prev_end: " PTR_FORMAT,
i, HR_FORMAT_PARAMS(hr), p2i(prev_end));
guarantee(hr->hrm_index() == i,
"invariant: i: %u hrm_index(): %u", i, hr->hrm_index());
// Asserts will fire if i is >= _length
HeapWord* addr = hr->bottom();
guarantee(addr_to_region(addr) == hr, "sanity");
// We cannot check whether the region is part of a particular set: at the time
// this method may be called, we have only completed allocation of the regions,
// but not put into a region set.
prev_committed = true;
prev_end = hr->end();
}
for (uint i = _allocated_heapregions_length; i < max_length(); i++) {
guarantee(_regions.get_by_index(i) == NULL, "invariant i: %u", i);
}
guarantee(num_committed == _num_committed, "Found %u committed regions, but should be %u", num_committed, _num_committed);
_free_list.verify();
}
