1 /*
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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 *
123
124 HeapWord* result = NULL;
125 if (UseTLAB) {
126 result = allocate_from_tlab(klass, THREAD, size);
127 if (result != NULL) {
128 assert(!HAS_PENDING_EXCEPTION,
129 "Unexpected exception, will result in uninitialized storage");
130 return result;
131 }
132 }
133 bool gc_overhead_limit_was_exceeded = false;
134 result = Universe::heap()->mem_allocate(size,
135 &gc_overhead_limit_was_exceeded);
136 if (result != NULL) {
137 NOT_PRODUCT(Universe::heap()->
138 check_for_non_bad_heap_word_value(result, size));
139 assert(!HAS_PENDING_EXCEPTION,
140 "Unexpected exception, will result in uninitialized storage");
141 THREAD->incr_allocated_bytes(size * HeapWordSize);
142
143 AllocTracer::send_allocation_outside_tlab_event(klass, size * HeapWordSize);
144
145 return result;
146 }
147
148
149 if (!gc_overhead_limit_was_exceeded) {
150 // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
151 report_java_out_of_memory("Java heap space");
152
153 if (JvmtiExport::should_post_resource_exhausted()) {
154 JvmtiExport::post_resource_exhausted(
155 JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
156 "Java heap space");
157 }
158
159 THROW_OOP_0(Universe::out_of_memory_error_java_heap());
160 } else {
161 // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
162 report_java_out_of_memory("GC overhead limit exceeded");
163
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1 /*
2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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 *
123
124 HeapWord* result = NULL;
125 if (UseTLAB) {
126 result = allocate_from_tlab(klass, THREAD, size);
127 if (result != NULL) {
128 assert(!HAS_PENDING_EXCEPTION,
129 "Unexpected exception, will result in uninitialized storage");
130 return result;
131 }
132 }
133 bool gc_overhead_limit_was_exceeded = false;
134 result = Universe::heap()->mem_allocate(size,
135 &gc_overhead_limit_was_exceeded);
136 if (result != NULL) {
137 NOT_PRODUCT(Universe::heap()->
138 check_for_non_bad_heap_word_value(result, size));
139 assert(!HAS_PENDING_EXCEPTION,
140 "Unexpected exception, will result in uninitialized storage");
141 THREAD->incr_allocated_bytes(size * HeapWordSize);
142
143 AllocTracer::send_allocation_outside_tlab_event(klass, result, size * HeapWordSize, THREAD);
144
145 return result;
146 }
147
148
149 if (!gc_overhead_limit_was_exceeded) {
150 // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
151 report_java_out_of_memory("Java heap space");
152
153 if (JvmtiExport::should_post_resource_exhausted()) {
154 JvmtiExport::post_resource_exhausted(
155 JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
156 "Java heap space");
157 }
158
159 THROW_OOP_0(Universe::out_of_memory_error_java_heap());
160 } else {
161 // -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError support
162 report_java_out_of_memory("GC overhead limit exceeded");
163
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