15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "aot/aotLoader.hpp"
27 #include "classfile/classLoader.hpp"
28 #include "classfile/classLoaderData.hpp"
29 #include "classfile/javaClasses.hpp"
30 #include "classfile/stringTable.hpp"
31 #include "classfile/systemDictionary.hpp"
32 #include "classfile/vmSymbols.hpp"
33 #include "code/codeCache.hpp"
34 #include "code/dependencies.hpp"
35 #include "gc/shared/cardTableModRefBS.hpp"
36 #include "gc/shared/collectedHeap.inline.hpp"
37 #include "gc/shared/gcLocker.inline.hpp"
38 #include "gc/shared/genCollectedHeap.hpp"
39 #include "gc/shared/generation.hpp"
40 #include "gc/shared/gcTraceTime.inline.hpp"
41 #include "gc/shared/space.hpp"
42 #include "interpreter/interpreter.hpp"
43 #include "logging/log.hpp"
44 #include "logging/logStream.hpp"
45 #include "memory/filemap.hpp"
46 #include "memory/metadataFactory.hpp"
47 #include "memory/metaspaceClosure.hpp"
48 #include "memory/metaspaceShared.hpp"
49 #include "memory/oopFactory.hpp"
50 #include "memory/resourceArea.hpp"
51 #include "memory/universe.hpp"
52 #include "memory/universe.inline.hpp"
53 #include "oops/constantPool.hpp"
54 #include "oops/instanceClassLoaderKlass.hpp"
55 #include "oops/instanceKlass.hpp"
56 #include "oops/instanceMirrorKlass.hpp"
57 #include "oops/instanceRefKlass.hpp"
58 #include "oops/objArrayOop.inline.hpp"
745 }
746
747 CollectedHeap* Universe::create_heap() {
748 assert(_collectedHeap == NULL, "Heap already created");
749 #if !INCLUDE_ALL_GCS
750 if (UseParallelGC) {
751 fatal("UseParallelGC not supported in this VM.");
752 } else if (UseG1GC) {
753 fatal("UseG1GC not supported in this VM.");
754 } else if (UseConcMarkSweepGC) {
755 fatal("UseConcMarkSweepGC not supported in this VM.");
756 #else
757 if (UseParallelGC) {
758 return Universe::create_heap_with_policy<ParallelScavengeHeap, GenerationSizer>();
759 } else if (UseG1GC) {
760 return Universe::create_heap_with_policy<G1CollectedHeap, G1CollectorPolicy>();
761 } else if (UseConcMarkSweepGC) {
762 return Universe::create_heap_with_policy<CMSHeap, ConcurrentMarkSweepPolicy>();
763 #endif
764 } else if (UseSerialGC) {
765 return Universe::create_heap_with_policy<GenCollectedHeap, MarkSweepPolicy>();
766 }
767
768 ShouldNotReachHere();
769 return NULL;
770 }
771
772 // Choose the heap base address and oop encoding mode
773 // when compressed oops are used:
774 // Unscaled - Use 32-bits oops without encoding when
775 // NarrowOopHeapBaseMin + heap_size < 4Gb
776 // ZeroBased - Use zero based compressed oops with encoding when
777 // NarrowOopHeapBaseMin + heap_size < 32Gb
778 // HeapBased - Use compressed oops with heap base + encoding.
779
780 jint Universe::initialize_heap() {
781 jint status = JNI_ERR;
782
783 _collectedHeap = create_heap_ext();
784 if (_collectedHeap == NULL) {
785 _collectedHeap = create_heap();
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "aot/aotLoader.hpp"
27 #include "classfile/classLoader.hpp"
28 #include "classfile/classLoaderData.hpp"
29 #include "classfile/javaClasses.hpp"
30 #include "classfile/stringTable.hpp"
31 #include "classfile/systemDictionary.hpp"
32 #include "classfile/vmSymbols.hpp"
33 #include "code/codeCache.hpp"
34 #include "code/dependencies.hpp"
35 #include "gc/serial/serialHeap.hpp"
36 #include "gc/shared/cardTableModRefBS.hpp"
37 #include "gc/shared/collectedHeap.inline.hpp"
38 #include "gc/shared/gcLocker.inline.hpp"
39 #include "gc/shared/generation.hpp"
40 #include "gc/shared/gcTraceTime.inline.hpp"
41 #include "gc/shared/space.hpp"
42 #include "interpreter/interpreter.hpp"
43 #include "logging/log.hpp"
44 #include "logging/logStream.hpp"
45 #include "memory/filemap.hpp"
46 #include "memory/metadataFactory.hpp"
47 #include "memory/metaspaceClosure.hpp"
48 #include "memory/metaspaceShared.hpp"
49 #include "memory/oopFactory.hpp"
50 #include "memory/resourceArea.hpp"
51 #include "memory/universe.hpp"
52 #include "memory/universe.inline.hpp"
53 #include "oops/constantPool.hpp"
54 #include "oops/instanceClassLoaderKlass.hpp"
55 #include "oops/instanceKlass.hpp"
56 #include "oops/instanceMirrorKlass.hpp"
57 #include "oops/instanceRefKlass.hpp"
58 #include "oops/objArrayOop.inline.hpp"
745 }
746
747 CollectedHeap* Universe::create_heap() {
748 assert(_collectedHeap == NULL, "Heap already created");
749 #if !INCLUDE_ALL_GCS
750 if (UseParallelGC) {
751 fatal("UseParallelGC not supported in this VM.");
752 } else if (UseG1GC) {
753 fatal("UseG1GC not supported in this VM.");
754 } else if (UseConcMarkSweepGC) {
755 fatal("UseConcMarkSweepGC not supported in this VM.");
756 #else
757 if (UseParallelGC) {
758 return Universe::create_heap_with_policy<ParallelScavengeHeap, GenerationSizer>();
759 } else if (UseG1GC) {
760 return Universe::create_heap_with_policy<G1CollectedHeap, G1CollectorPolicy>();
761 } else if (UseConcMarkSweepGC) {
762 return Universe::create_heap_with_policy<CMSHeap, ConcurrentMarkSweepPolicy>();
763 #endif
764 } else if (UseSerialGC) {
765 return Universe::create_heap_with_policy<SerialHeap, MarkSweepPolicy>();
766 }
767
768 ShouldNotReachHere();
769 return NULL;
770 }
771
772 // Choose the heap base address and oop encoding mode
773 // when compressed oops are used:
774 // Unscaled - Use 32-bits oops without encoding when
775 // NarrowOopHeapBaseMin + heap_size < 4Gb
776 // ZeroBased - Use zero based compressed oops with encoding when
777 // NarrowOopHeapBaseMin + heap_size < 32Gb
778 // HeapBased - Use compressed oops with heap base + encoding.
779
780 jint Universe::initialize_heap() {
781 jint status = JNI_ERR;
782
783 _collectedHeap = create_heap_ext();
784 if (_collectedHeap == NULL) {
785 _collectedHeap = create_heap();
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