< prev index next >

src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java

Print this page




  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 package jdk.vm.ci.hotspot;
  24 
  25 import static jdk.vm.ci.hotspot.CompilerToVM.compilerToVM;
  26 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
  27 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config;
  28 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE;
  29 
  30 import java.lang.annotation.Annotation;
  31 import java.lang.reflect.Executable;
  32 import java.lang.reflect.InvocationTargetException;
  33 import java.lang.reflect.Method;
  34 import java.lang.reflect.Modifier;
  35 import java.lang.reflect.Type;
  36 import java.util.HashMap;
  37 import java.util.Map;
  38 
  39 import jdk.vm.ci.common.JVMCIError;
  40 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.Option;
  41 import jdk.vm.ci.meta.Constant;
  42 import jdk.vm.ci.meta.ConstantPool;
  43 import jdk.vm.ci.meta.DefaultProfilingInfo;
  44 import jdk.vm.ci.meta.ExceptionHandler;
  45 import jdk.vm.ci.meta.JavaConstant;
  46 import jdk.vm.ci.meta.JavaMethod;
  47 import jdk.vm.ci.meta.JavaType;
  48 import jdk.vm.ci.meta.LineNumberTable;
  49 import jdk.vm.ci.meta.Local;
  50 import jdk.vm.ci.meta.LocalVariableTable;
  51 import jdk.vm.ci.meta.ModifiersProvider;
  52 import jdk.vm.ci.meta.ProfilingInfo;
  53 import jdk.vm.ci.meta.ResolvedJavaMethod;
  54 import jdk.vm.ci.meta.ResolvedJavaType;
  55 import jdk.vm.ci.meta.Signature;
  56 import jdk.vm.ci.meta.SpeculationLog;
  57 import jdk.vm.ci.meta.TriState;
  58 
  59 /**
  60  * Implementation of {@link JavaMethod} for resolved HotSpot methods.
  61  */
  62 final class HotSpotResolvedJavaMethodImpl extends HotSpotMethod implements HotSpotResolvedJavaMethod, MetaspaceWrapperObject {
  63 
  64     /**
  65      * Reference to metaspace Method object.


 680         Map<Long, SpeculationLog> map = SpeculationLogs.get(holder.mirror());
 681         synchronized (map) {
 682             SpeculationLog log = map.get(this.metaspaceMethod);
 683             if (log == null) {
 684                 log = new HotSpotSpeculationLog();
 685                 map.put(metaspaceMethod, log);
 686             }
 687             return log;
 688         }
 689     }
 690 
 691     public int intrinsicId() {
 692         HotSpotVMConfig config = config();
 693         return UNSAFE.getChar(metaspaceMethod + config.methodIntrinsicIdOffset);
 694     }
 695 
 696     public boolean isIntrinsicCandidate() {
 697         return (getFlags() & config().methodFlagsIntrinsicCandidate) != 0;
 698     }
 699 
 700     @Override
 701     public JavaConstant invoke(JavaConstant receiver, JavaConstant[] arguments) {
 702         assert !isConstructor();
 703         Method javaMethod = (Method) toJava();
 704         javaMethod.setAccessible(true);
 705 
 706         Object[] objArguments = new Object[arguments.length];
 707         for (int i = 0; i < arguments.length; i++) {
 708             objArguments[i] = HotSpotObjectConstantImpl.asBoxedValue(arguments[i]);
 709         }
 710         Object objReceiver = receiver != null && !receiver.isNull() ? ((HotSpotObjectConstantImpl) receiver).object() : null;
 711 
 712         try {
 713             Object objResult = javaMethod.invoke(objReceiver, objArguments);
 714             return javaMethod.getReturnType() == void.class ? null : HotSpotObjectConstantImpl.forBoxedValue(getSignature().getReturnKind(), objResult);
 715 
 716         } catch (IllegalAccessException | InvocationTargetException ex) {
 717             throw new IllegalArgumentException(ex);
 718         }
 719     }
 720 
 721     /**
 722      * Allocates a compile id for this method by asking the VM for one.
 723      *
 724      * @param entryBCI entry bci
 725      * @return compile id
 726      */
 727     public int allocateCompileId(int entryBCI) {
 728         return compilerToVM().allocateCompileId(this, entryBCI);
 729     }
 730 
 731     public boolean hasCodeAtLevel(int entryBCI, int level) {
 732         if (entryBCI == config().invocationEntryBci) {
 733             return hasCompiledCodeAtLevel(level);
 734         }
 735         return compilerToVM().hasCompiledCodeForOSR(this, entryBCI, level);
 736     }
 737 }


  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 package jdk.vm.ci.hotspot;
  24 
  25 import static jdk.vm.ci.hotspot.CompilerToVM.compilerToVM;
  26 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
  27 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config;
  28 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE;
  29 
  30 import java.lang.annotation.Annotation;
  31 import java.lang.reflect.Executable;


  32 import java.lang.reflect.Modifier;
  33 import java.lang.reflect.Type;
  34 import java.util.HashMap;
  35 import java.util.Map;
  36 
  37 import jdk.vm.ci.common.JVMCIError;
  38 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.Option;
  39 import jdk.vm.ci.meta.Constant;
  40 import jdk.vm.ci.meta.ConstantPool;
  41 import jdk.vm.ci.meta.DefaultProfilingInfo;
  42 import jdk.vm.ci.meta.ExceptionHandler;

  43 import jdk.vm.ci.meta.JavaMethod;
  44 import jdk.vm.ci.meta.JavaType;
  45 import jdk.vm.ci.meta.LineNumberTable;
  46 import jdk.vm.ci.meta.Local;
  47 import jdk.vm.ci.meta.LocalVariableTable;
  48 import jdk.vm.ci.meta.ModifiersProvider;
  49 import jdk.vm.ci.meta.ProfilingInfo;
  50 import jdk.vm.ci.meta.ResolvedJavaMethod;
  51 import jdk.vm.ci.meta.ResolvedJavaType;
  52 import jdk.vm.ci.meta.Signature;
  53 import jdk.vm.ci.meta.SpeculationLog;
  54 import jdk.vm.ci.meta.TriState;
  55 
  56 /**
  57  * Implementation of {@link JavaMethod} for resolved HotSpot methods.
  58  */
  59 final class HotSpotResolvedJavaMethodImpl extends HotSpotMethod implements HotSpotResolvedJavaMethod, MetaspaceWrapperObject {
  60 
  61     /**
  62      * Reference to metaspace Method object.


 677         Map<Long, SpeculationLog> map = SpeculationLogs.get(holder.mirror());
 678         synchronized (map) {
 679             SpeculationLog log = map.get(this.metaspaceMethod);
 680             if (log == null) {
 681                 log = new HotSpotSpeculationLog();
 682                 map.put(metaspaceMethod, log);
 683             }
 684             return log;
 685         }
 686     }
 687 
 688     public int intrinsicId() {
 689         HotSpotVMConfig config = config();
 690         return UNSAFE.getChar(metaspaceMethod + config.methodIntrinsicIdOffset);
 691     }
 692 
 693     public boolean isIntrinsicCandidate() {
 694         return (getFlags() & config().methodFlagsIntrinsicCandidate) != 0;
 695     }
 696 





















 697     /**
 698      * Allocates a compile id for this method by asking the VM for one.
 699      *
 700      * @param entryBCI entry bci
 701      * @return compile id
 702      */
 703     public int allocateCompileId(int entryBCI) {
 704         return compilerToVM().allocateCompileId(this, entryBCI);
 705     }
 706 
 707     public boolean hasCodeAtLevel(int entryBCI, int level) {
 708         if (entryBCI == config().invocationEntryBci) {
 709             return hasCompiledCodeAtLevel(level);
 710         }
 711         return compilerToVM().hasCompiledCodeForOSR(this, entryBCI, level);
 712     }
 713 }
< prev index next >