--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.inline.hpp Mon Dec 10 15:47:44 2018 +0100
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2015, 2018, Red Hat, Inc. All rights reserved.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGION_INLINE_HPP
+#define SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGION_INLINE_HPP
+
+#include "gc/shenandoah/shenandoahHeap.inline.hpp"
+#include "gc/shenandoah/shenandoahHeapRegion.hpp"
+#include "gc/shenandoah/shenandoahPacer.inline.hpp"
+#include "runtime/atomic.hpp"
+
+HeapWord* ShenandoahHeapRegion::allocate(size_t size, ShenandoahAllocRequest::Type type) {
+ _heap->assert_heaplock_or_safepoint();
+
+ HeapWord* obj = top();
+ if (pointer_delta(end(), obj) >= size) {
+ make_regular_allocation();
+ adjust_alloc_metadata(type, size);
+
+ HeapWord* new_top = obj + size;
+ set_top(new_top);
+ assert(is_aligned(obj) && is_aligned(new_top), "checking alignment");
+
+ return obj;
+ } else {
+ return NULL;
+ }
+}
+
+inline void ShenandoahHeapRegion::adjust_alloc_metadata(ShenandoahAllocRequest::Type type, size_t size) {
+ bool is_first_alloc = (top() == bottom());
+
+ switch (type) {
+ case ShenandoahAllocRequest::_alloc_shared:
+ case ShenandoahAllocRequest::_alloc_tlab:
+ _seqnum_last_alloc_mutator = _alloc_seq_num.value++;
+ if (is_first_alloc) {
+ assert (_seqnum_first_alloc_mutator == 0, "Region " SIZE_FORMAT " metadata is correct", _region_number);
+ _seqnum_first_alloc_mutator = _seqnum_last_alloc_mutator;
+ }
+ break;
+ case ShenandoahAllocRequest::_alloc_shared_gc:
+ case ShenandoahAllocRequest::_alloc_gclab:
+ _seqnum_last_alloc_gc = _alloc_seq_num.value++;
+ if (is_first_alloc) {
+ assert (_seqnum_first_alloc_gc == 0, "Region " SIZE_FORMAT " metadata is correct", _region_number);
+ _seqnum_first_alloc_gc = _seqnum_last_alloc_gc;
+ }
+ break;
+ default:
+ ShouldNotReachHere();
+ }
+
+ switch (type) {
+ case ShenandoahAllocRequest::_alloc_shared:
+ case ShenandoahAllocRequest::_alloc_shared_gc:
+ _shared_allocs += size;
+ break;
+ case ShenandoahAllocRequest::_alloc_tlab:
+ _tlab_allocs += size;
+ break;
+ case ShenandoahAllocRequest::_alloc_gclab:
+ _gclab_allocs += size;
+ break;
+ default:
+ ShouldNotReachHere();
+ }
+}
+
+inline void ShenandoahHeapRegion::increase_live_data_alloc_words(size_t s) {
+ internal_increase_live_data(s);
+}
+
+inline void ShenandoahHeapRegion::increase_live_data_gc_words(size_t s) {
+ internal_increase_live_data(s);
+ if (ShenandoahPacing) {
+ _pacer->report_mark(s);
+ }
+}
+
+inline void ShenandoahHeapRegion::internal_increase_live_data(size_t s) {
+ size_t new_live_data = Atomic::add(s, &_live_data);
+#ifdef ASSERT
+ size_t live_bytes = new_live_data * HeapWordSize;
+ size_t used_bytes = used();
+ assert(live_bytes <= used_bytes,
+ "can't have more live data than used: " SIZE_FORMAT ", " SIZE_FORMAT, live_bytes, used_bytes);
+#endif
+}
+
+#endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHHEAPREGION_INLINE_HPP