diff -r 9aa50ba9a67f -r 08dac9ce0cd7 hotspot/src/share/vm/utilities/accessFlags.hpp --- a/hotspot/src/share/vm/utilities/accessFlags.hpp Wed Apr 08 00:12:59 2009 -0700 +++ b/hotspot/src/share/vm/utilities/accessFlags.hpp Wed Apr 08 10:56:49 2009 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -47,6 +47,8 @@ JVM_ACC_IS_OLD = 0x00010000, // RedefineClasses() has replaced this method JVM_ACC_IS_OBSOLETE = 0x00020000, // RedefineClasses() has made method obsolete JVM_ACC_IS_PREFIXED_NATIVE = 0x00040000, // JVMTI has prefixed this native method + JVM_MH_INVOKE_BITS // = 0x10001100 // MethodHandle.invoke quasi-native + = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_MONITOR_MATCH), // klassOop flags JVM_ACC_HAS_MIRANDA_METHODS = 0x10000000, // True if this class has miranda methods in it's vtable @@ -72,6 +74,7 @@ // flags accepted by set_field_flags() JVM_ACC_FIELD_FLAGS = 0x00008000 | JVM_ACC_WRITTEN_FLAGS + }; @@ -114,6 +117,15 @@ bool is_obsolete () const { return (_flags & JVM_ACC_IS_OBSOLETE ) != 0; } bool is_prefixed_native () const { return (_flags & JVM_ACC_IS_PREFIXED_NATIVE ) != 0; } + // JSR 292: A method of the form MethodHandle.invoke(A...)R method is + // neither bytecoded nor a JNI native, but rather a fast call through + // a lightweight method handle object. Because it is not bytecoded, + // it has the native bit set, but the monitor-match bit is also set + // to distinguish it from a JNI native (which never has the match bit set). + // The synthetic bit is also present, because such a method is never + // explicitly defined in Java code. + bool is_method_handle_invoke () const { return (_flags & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS; } + // klassOop flags bool has_miranda_methods () const { return (_flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; } bool has_vanilla_constructor () const { return (_flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; } @@ -199,6 +211,14 @@ jshort as_short() { return (jshort)_flags; } jint as_int() { return _flags; } + inline friend AccessFlags accessFlags_from(jint flags); + // Printing/debugging void print_on(outputStream* st) const PRODUCT_RETURN; }; + +inline AccessFlags accessFlags_from(jint flags) { + AccessFlags af; + af._flags = flags; + return af; +}