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diff agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolCacheEntry.java @ 1602:136b78722a08

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6939203: JSR 292 needs method handle constants Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode. Reviewed-by: twisti, never
author jrose
date Wed, 09 Jun 2010 18:50:45 -0700
parents c18cbe5936b8
children 0a8e0d4345b3
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolCacheEntry.java	Mon Jun 07 14:17:01 2010 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPoolCacheEntry.java	Wed Jun 09 18:50:45 2010 -0700
@@ -28,6 +28,7 @@
 import sun.jvm.hotspot.debugger.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
+import sun.jvm.hotspot.utilities.*;
 
 public class ConstantPoolCacheEntry {
   private static long          size;
@@ -67,9 +68,23 @@
   }
 
   public int getConstantPoolIndex() {
+    if (Assert.ASSERTS_ENABLED) {
+      Assert.that(!isSecondaryEntry(), "must not be a secondary CP entry");
+    }
     return (int) (getIndices() & 0xFFFF);
   }
 
+  public boolean isSecondaryEntry() {
+    return (getIndices() & 0xFFFF) == 0;
+  }
+
+  public int getMainEntryIndex() {
+    if (Assert.ASSERTS_ENABLED) {
+      Assert.that(isSecondaryEntry(), "must be a secondary CP entry");
+    }
+    return (int) (getIndices() >>> 16);
+  }
+
   private long getIndices() {
       return cp.getHandle().getCIntegerAt(indices.getOffset() + offset, indices.getSize(), indices.isUnsigned());
   }