# HG changeset patch
# User dsamersoff
# Date 1410461730 25200
# Node ID 64156d22e49d98199c2e8f4ec9133ee9be869dac
# Parent  07f629123254692f3d3d7d65cd03d7b1a94b2b7c
8032247: SA: Constantpool lookup for invokedynamic is not implemented
Summary: implement constant pool lookup for invokedynamic
Reviewed-by: sla, sspitsyn

diff -r 07f629123254 -r 64156d22e49d agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java	Thu Sep 11 15:41:43 2014 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java	Thu Sep 11 11:55:30 2014 -0700
@@ -152,7 +152,7 @@
 
   private long indexOffset(long index) {
     if (Assert.ASSERTS_ENABLED) {
-      Assert.that(index > 0 && index < getLength(),  "invalid cp index " + index + " " + getLength());
+      Assert.that(index >= 0 && index < getLength(),  "invalid cp index " + index + " " + getLength());
     }
     return (index * getElementSize()) + headerSize;
   }
diff -r 07f629123254 -r 64156d22e49d agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ByteCodeRewriter.java
--- a/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ByteCodeRewriter.java	Thu Sep 11 15:41:43 2014 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ByteCodeRewriter.java	Thu Sep 11 11:55:30 2014 -0700
@@ -98,11 +98,14 @@
            break;
        default: throw new IllegalArgumentException();
        }
+
        if (cpCache == null) {
           return (short) cpCacheIndex;
        } else if (fmt.indexOf("JJJJ") >= 0) {
-          // change byte-ordering and go via secondary cache entry
-           throw new InternalError("unimplemented");
+          // Invokedynamic require special handling
+          cpCacheIndex = ~cpCacheIndex;
+          cpCacheIndex = bytes.swapInt(cpCacheIndex);
+          return (short) cpCache.getEntryAt(cpCacheIndex).getConstantPoolIndex();
        } else if (fmt.indexOf("JJ") >= 0) {
           // change byte-ordering and go via cache
           return (short) cpCache.getEntryAt((int) (0xFFFF & bytes.swapShort((short)cpCacheIndex))).getConstantPoolIndex();