--- /dev/null 2011-11-04 17:17:15.000000000 +0100 +++ new/src/cpu/zero/vm/compiledIC_zero.cpp 2013-04-19 12:18:56.897513000 +0200 @@ -0,0 +1,122 @@ +/* + * Copyright (c) 1997, 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. + * + * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "classfile/systemDictionary.hpp" +#include "code/codeCache.hpp" +#include "code/compiledIC.hpp" +#include "code/icBuffer.hpp" +#include "code/nmethod.hpp" +#include "code/vtableStubs.hpp" +#include "interpreter/interpreter.hpp" +#include "interpreter/linkResolver.hpp" +#include "memory/metadataFactory.hpp" +#include "memory/oopFactory.hpp" +#include "oops/method.hpp" +#include "oops/oop.inline.hpp" +#include "oops/symbol.hpp" +#include "runtime/icache.hpp" +#include "runtime/sharedRuntime.hpp" +#include "runtime/stubRoutines.hpp" +#include "utilities/events.hpp" + + +// Release the CompiledICHolder* associated with this call site is there is one. +void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) { + // This call site might have become stale so inspect it carefully. + NativeCall* call = nativeCall_at(call_site->addr()); + if (is_icholder_entry(call->destination())) { + NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value()); + InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data()); + } +} + +bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) { + // This call site might have become stale so inspect it carefully. + NativeCall* call = nativeCall_at(call_site->addr()); + return is_icholder_entry(call->destination()); +} + +//----------------------------------------------------------------------------- +// High-level access to an inline cache. Guaranteed to be MT-safe. + +CompiledIC::CompiledIC(nmethod* nm, NativeCall* call) + : _ic_call(call) +{ + address ic_call = call->instruction_address(); + + assert(ic_call != NULL, "ic_call address must be set"); + assert(nm != NULL, "must pass nmethod"); + assert(nm->contains(ic_call), "must be in nmethod"); + + // Search for the ic_call at the given address. + RelocIterator iter(nm, ic_call, ic_call+1); + bool ret = iter.next(); + assert(ret == true, "relocInfo must exist at this address"); + assert(iter.addr() == ic_call, "must find ic_call"); + if (iter.type() == relocInfo::virtual_call_type) { + virtual_call_Relocation* r = iter.virtual_call_reloc(); + _is_optimized = false; + _value = nativeMovConstReg_at(r->cached_value()); + } else { + assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call"); + _is_optimized = true; + _value = NULL; + } +} + +// ---------------------------------------------------------------------------- + +void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) { + ShouldNotReachHere(); // Only needed for COMPILER2. +} + +uint CompiledStaticCall::to_interp_stub_size() { + ShouldNotReachHere(); // Only needed for COMPILER2. + return 0; +} + +// Relocation entries for call stub, compiled java to interpreter. +uint CompiledStaticCall::reloc_to_interp_stub() { + ShouldNotReachHere(); // Only needed for COMPILER2. + return 0; +} + +void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) { + ShouldNotReachHere(); // Only needed for COMPILER2. +} + +void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) { + ShouldNotReachHere(); // Only needed for COMPILER2. +} + +//----------------------------------------------------------------------------- +// Non-product mode code. +#ifndef PRODUCT + +void CompiledStaticCall::verify() { + ShouldNotReachHere(); // Only needed for COMPILER2. +} + +#endif // !PRODUCT