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comparison agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWithCPIndex.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
comparison
equal deleted inserted replaced
1585:49fac4acd688 1602:136b78722a08
35 } 35 }
36 36
37 // the constant pool index for this bytecode 37 // the constant pool index for this bytecode
38 public int index() { return 0xFFFF & javaShortAt(1); } 38 public int index() { return 0xFFFF & javaShortAt(1); }
39 39
40 public int getSecondaryIndex() {
41 throw new IllegalArgumentException("must be invokedynamic");
42 }
43
40 protected int indexForFieldOrMethod() { 44 protected int indexForFieldOrMethod() {
41 ConstantPoolCache cpCache = method().getConstants().getCache(); 45 ConstantPoolCache cpCache = method().getConstants().getCache();
42 // get ConstantPool index from ConstantPoolCacheIndex at given bci 46 // get ConstantPool index from ConstantPoolCacheIndex at given bci
43 int cpCacheIndex = index(); 47 int cpCacheIndex = index();
44 if (cpCache == null) { 48 if (cpCache == null) {
45 return cpCacheIndex; 49 return cpCacheIndex;
50 } else if (code() == Bytecodes._invokedynamic) {
51 int secondaryIndex = getSecondaryIndex();
52 return cpCache.getMainEntryAt(secondaryIndex).getConstantPoolIndex();
46 } else { 53 } else {
47 // change byte-ordering and go via cache 54 // change byte-ordering and go via cache
48 return cpCache.getEntryAt((int) (0xFFFF & VM.getVM().getBytes().swapShort((short) cpCacheIndex))).getConstantPoolIndex(); 55 return cpCache.getEntryAt((int) (0xFFFF & VM.getVM().getBytes().swapShort((short) cpCacheIndex))).getConstantPoolIndex();
49 } 56 }
50 } 57 }