Mercurial > hg > truffle
view src/share/vm/ci/ciCPCache.cpp @ 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 | 3cf667df43ef |
children | c18cbe5936b8 |
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/* * Copyright 2009-2010 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 * 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. * */ #include "incls/_precompiled.incl" #include "incls/_ciCPCache.cpp.incl" // ciCPCache // ------------------------------------------------------------------ // ciCPCache::get_f1_offset size_t ciCPCache::get_f1_offset(int index) { // Calculate the offset from the constantPoolCacheOop to the f1 // field. ByteSize f1_offset = constantPoolCacheOopDesc::entry_offset(index) + ConstantPoolCacheEntry::f1_offset(); return in_bytes(f1_offset); } // ------------------------------------------------------------------ // ciCPCache::is_f1_null_at bool ciCPCache::is_f1_null_at(int index) { VM_ENTRY_MARK; constantPoolCacheOop cpcache = (constantPoolCacheOop) get_oop(); oop f1 = cpcache->secondary_entry_at(index)->f1(); return (f1 == NULL); } // ------------------------------------------------------------------ // ciCPCache::print // // Print debugging information about the cache. void ciCPCache::print() { Unimplemented(); }