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 */
23
24
25 package org.graalvm.compiler.hotspot.meta;
26
27 import static org.graalvm.compiler.serviceprovider.GraalServices.Java8OrEarlier;
28
29 import org.graalvm.compiler.api.replacements.ClassSubstitution;
30 import org.graalvm.compiler.api.replacements.MethodSubstitution;
31 import org.graalvm.compiler.hotspot.HotSpotBackend;
32 import org.graalvm.compiler.nodes.ComputeObjectAddressNode;
33 import org.graalvm.compiler.word.Word;
34 import jdk.internal.vm.compiler.word.WordFactory;
35
36 @ClassSubstitution(className = {"jdk.internal.misc.Unsafe", "sun.misc.Unsafe"})
37 public class HotSpotUnsafeSubstitutions {
38
39 public static final String copyMemoryName = Java8OrEarlier ? "copyMemory" : "copyMemory0";
40
41 @SuppressWarnings("unused")
42 @MethodSubstitution(isStatic = false)
43 static void copyMemory(Object receiver, Object srcBase, long srcOffset, Object destBase, long destOffset, long bytes) {
44 Word srcAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(srcBase, srcOffset));
45 Word dstAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(destBase, destOffset));
46 Word size = WordFactory.signed(bytes);
47 HotSpotBackend.unsafeArraycopy(srcAddr, dstAddr, size);
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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 */
23
24
25 package org.graalvm.compiler.hotspot.meta;
26
27 import static org.graalvm.compiler.serviceprovider.JavaVersionUtil.Java8OrEarlier;
28
29 import org.graalvm.compiler.api.replacements.ClassSubstitution;
30 import org.graalvm.compiler.api.replacements.MethodSubstitution;
31 import org.graalvm.compiler.hotspot.HotSpotBackend;
32 import org.graalvm.compiler.nodes.ComputeObjectAddressNode;
33 import org.graalvm.compiler.word.Word;
34 import jdk.internal.vm.compiler.word.WordFactory;
35
36 @ClassSubstitution(className = {"jdk.internal.misc.Unsafe", "sun.misc.Unsafe"})
37 public class HotSpotUnsafeSubstitutions {
38
39 public static final String copyMemoryName = Java8OrEarlier ? "copyMemory" : "copyMemory0";
40
41 @SuppressWarnings("unused")
42 @MethodSubstitution(isStatic = false)
43 static void copyMemory(Object receiver, Object srcBase, long srcOffset, Object destBase, long destOffset, long bytes) {
44 Word srcAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(srcBase, srcOffset));
45 Word dstAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(destBase, destOffset));
46 Word size = WordFactory.signed(bytes);
47 HotSpotBackend.unsafeArraycopy(srcAddr, dstAddr, size);
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