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jdk/src/java.base/share/classes/java/lang/invoke/MethodHandleNatives.java
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*** 1,7 ****
/*
! * Copyright (c) 2008, 2013, Oracle and/or its affiliates. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
--- 1,7 ----
/*
! * Copyright (c) 2008, 2015, Oracle and/or its affiliates. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
*** 53,177 ****
static native long objectFieldOffset(MemberName self); // e.g., returns vmindex
static native long staticFieldOffset(MemberName self); // e.g., returns vmindex
static native Object staticFieldBase(MemberName self); // e.g., returns clazz
static native Object getMemberVMInfo(MemberName self); // returns {vmindex,vmtarget}
- /// MethodHandle support
-
- /** Fetch MH-related JVM parameter.
- * which=0 retrieves MethodHandlePushLimit
- * which=1 retrieves stack slot push size (in address units)
- */
- static native int getConstant(int which);
-
- static final boolean COUNT_GWT;
-
/// CallSite support
/** Tell the JVM that we need to change the target of a CallSite. */
static native void setCallSiteTargetNormal(CallSite site, MethodHandle target);
static native void setCallSiteTargetVolatile(CallSite site, MethodHandle target);
private static native void registerNatives();
static {
registerNatives();
- COUNT_GWT = getConstant(Constants.GC_COUNT_GWT) != 0;
// The JVM calls MethodHandleNatives.<clinit>. Cascade the <clinit> calls as needed:
MethodHandleImpl.initStatics();
}
// All compile-time constants go here.
// There is an opportunity to check them against the JVM's idea of them.
static class Constants {
Constants() { } // static only
- // MethodHandleImpl
- static final int // for getConstant
- GC_COUNT_GWT = 4,
- GC_LAMBDA_SUPPORT = 5;
-
- // MemberName
- // The JVM uses values of -2 and above for vtable indexes.
- // Field values are simple positive offsets.
- // Ref: src/share/vm/oops/methodOop.hpp
- // This value is negative enough to avoid such numbers,
- // but not too negative.
- static final int
- MN_IS_METHOD = 0x00010000, // method (not constructor)
- MN_IS_CONSTRUCTOR = 0x00020000, // constructor
- MN_IS_FIELD = 0x00040000, // field
- MN_IS_TYPE = 0x00080000, // nested type
- MN_CALLER_SENSITIVE = 0x00100000, // @CallerSensitive annotation detected
- MN_REFERENCE_KIND_SHIFT = 24, // refKind
- MN_REFERENCE_KIND_MASK = 0x0F000000 >> MN_REFERENCE_KIND_SHIFT,
- // The SEARCH_* bits are not for MN.flags but for the matchFlags argument of MHN.getMembers:
- MN_SEARCH_SUPERCLASSES = 0x00100000,
- MN_SEARCH_INTERFACES = 0x00200000;
-
- /**
- * Basic types as encoded in the JVM. These code values are not
- * intended for use outside this class. They are used as part of
- * a private interface between the JVM and this class.
- */
- static final int
- T_BOOLEAN = 4,
- T_CHAR = 5,
- T_FLOAT = 6,
- T_DOUBLE = 7,
- T_BYTE = 8,
- T_SHORT = 9,
- T_INT = 10,
- T_LONG = 11,
- T_OBJECT = 12,
- //T_ARRAY = 13
- T_VOID = 14,
- //T_ADDRESS = 15
- T_ILLEGAL = 99;
-
- /**
- * Constant pool entry types.
- */
- static final byte
- CONSTANT_Utf8 = 1,
- CONSTANT_Integer = 3,
- CONSTANT_Float = 4,
- CONSTANT_Long = 5,
- CONSTANT_Double = 6,
- CONSTANT_Class = 7,
- CONSTANT_String = 8,
- CONSTANT_Fieldref = 9,
- CONSTANT_Methodref = 10,
- CONSTANT_InterfaceMethodref = 11,
- CONSTANT_NameAndType = 12,
- CONSTANT_MethodHandle = 15, // JSR 292
- CONSTANT_MethodType = 16, // JSR 292
- CONSTANT_InvokeDynamic = 18,
- CONSTANT_LIMIT = 19; // Limit to tags found in classfiles
-
- /**
- * Access modifier flags.
- */
- static final char
- ACC_PUBLIC = 0x0001,
- ACC_PRIVATE = 0x0002,
- ACC_PROTECTED = 0x0004,
- ACC_STATIC = 0x0008,
- ACC_FINAL = 0x0010,
- ACC_SYNCHRONIZED = 0x0020,
- ACC_VOLATILE = 0x0040,
- ACC_TRANSIENT = 0x0080,
- ACC_NATIVE = 0x0100,
- ACC_INTERFACE = 0x0200,
- ACC_ABSTRACT = 0x0400,
- ACC_STRICT = 0x0800,
- ACC_SYNTHETIC = 0x1000,
- ACC_ANNOTATION = 0x2000,
- ACC_ENUM = 0x4000,
- // aliases:
- ACC_SUPER = ACC_SYNCHRONIZED,
- ACC_BRIDGE = ACC_VOLATILE,
- ACC_VARARGS = ACC_TRANSIENT;
/**
* Constant pool reference-kind codes, as used by CONSTANT_MethodHandle CP entries.
*/
static final byte
--- 53,80 ----
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