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6914206: change way of permission checking for generated MethodHandle adapters

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Put generated MH adapter in InvokeDynamic/MethodHandle classes to be able to indentify them easily in the compiler.

Reviewed-by: kvn, never, jrose
This commit is contained in:
Christian Thalinger 2010-01-08 11:09:46 +01:00
parent 8da8433a6f
commit e5fb2ad1c4
11 changed files with 66 additions and 16 deletions
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6
hotspot/src/share/vm/oops/methodOop.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2010 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
@ -525,6 +525,9 @@ class methodOopDesc : public oopDesc {
// JSR 292 support
bool is_method_handle_invoke() const { return access_flags().is_method_handle_invoke(); }
// Tests if this method is an internal adapter frame from the
// MethodHandleCompiler.
bool is_method_handle_adapter() const;
static methodHandle make_invoke_method(KlassHandle holder,
symbolHandle signature,
Handle method_type,
@ -538,6 +541,7 @@ class methodOopDesc : public oopDesc {
// all without checking for a stack overflow
static int extra_stack_entries() { return (EnableMethodHandles ? (int)MethodHandlePushLimit : 0) + (EnableInvokeDynamic ? 3 : 0); }
static int extra_stack_words(); // = extra_stack_entries() * Interpreter::stackElementSize()
// RedefineClasses() support:
bool is_old() const { return access_flags().is_old(); }
void set_is_old() { _access_flags.set_is_old(); }