Mercurial > hg > truffle
view src/share/vm/runtime/frame.inline.hpp @ 1299:9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
Summary: Passing a null pointer to an InvokeDynamic function call should lead to a NullPointerException.
Reviewed-by: kvn, never
author | twisti |
---|---|
date | Tue, 16 Mar 2010 11:52:17 +0100 |
parents | 98cb887364d3 |
children | c18cbe5936b8 |
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/* * Copyright 1997-2006 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // This file holds platform-independent bodies of inline functions for frames. // Note: The bcx usually contains the bcp; however during GC it contains the bci // (changed by gc_prologue() and gc_epilogue()) to be methodOop position // independent. These accessors make sure the correct value is returned // by testing the range of the bcx value. bcp's are guaranteed to be above // max_method_code_size, since methods are always allocated in OldSpace and // Eden is allocated before OldSpace. // // The bcp is accessed sometimes during GC for ArgumentDescriptors; than // the correct translation has to be performed (was bug). inline bool frame::is_bci(intptr_t bcx) { #ifdef _LP64 return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ; #else return 0 <= bcx && bcx <= max_method_code_size; #endif } inline bool frame::is_entry_frame() const { return StubRoutines::returns_to_call_stub(pc()); } inline bool frame::is_first_frame() const { return is_entry_frame() && entry_frame_is_first(); } // here are the platform-dependent bodies: # include "incls/_frame_pd.inline.hpp.incl"