| /* |
| * Copyright (c) 2009, 2011, 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 "ci/ciClassList.hpp" |
| #include "ci/ciInstance.hpp" |
| #include "ci/ciMethodData.hpp" |
| #include "ci/ciMethodHandle.hpp" |
| #include "ci/ciUtilities.hpp" |
| #include "prims/methodHandleWalk.hpp" |
| #include "prims/methodHandles.hpp" |
| |
| // ciMethodHandle |
| |
| // ------------------------------------------------------------------ |
| // ciMethodHandle::get_adapter |
| // |
| // Return an adapter for this MethodHandle. |
| ciMethod* ciMethodHandle::get_adapter_impl(bool is_invokedynamic) { |
| VM_ENTRY_MARK; |
| Handle h(get_oop()); |
| methodHandle callee(_callee->get_methodOop()); |
| assert(callee->is_method_handle_invoke(), ""); |
| oop mt1 = callee->method_handle_type(); |
| oop mt2 = java_lang_invoke_MethodHandle::type(h()); |
| if (!java_lang_invoke_MethodType::equals(mt1, mt2)) { |
| if (PrintMiscellaneous && (Verbose || WizardMode)) { |
| tty->print_cr("ciMethodHandle::get_adapter: types not equal"); |
| mt1->print(); mt2->print(); |
| } |
| return NULL; |
| } |
| // We catch all exceptions here that could happen in the method |
| // handle compiler and stop the VM. |
| MethodHandleCompiler mhc(h, callee->name(), callee->signature(), _profile.count(), is_invokedynamic, THREAD); |
| if (!HAS_PENDING_EXCEPTION) { |
| methodHandle m = mhc.compile(THREAD); |
| if (!HAS_PENDING_EXCEPTION) { |
| return CURRENT_ENV->get_object(m())->as_method(); |
| } |
| } |
| if (PrintMiscellaneous && (Verbose || WizardMode)) { |
| tty->print("*** ciMethodHandle::get_adapter => "); |
| PENDING_EXCEPTION->print(); |
| tty->print("*** get_adapter (%s): ", is_invokedynamic ? "indy" : "mh"); ((ciObject*)this)->print(); |
| } |
| CLEAR_PENDING_EXCEPTION; |
| return NULL; |
| } |
| |
| // ------------------------------------------------------------------ |
| // ciMethodHandle::get_adapter |
| // |
| // Return an adapter for this MethodHandle. |
| ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) { |
| ciMethod* result = get_adapter_impl(is_invokedynamic); |
| if (result) { |
| // Fake up the MDO maturity. |
| ciMethodData* mdo = result->method_data(); |
| if (mdo != NULL && _caller->method_data() != NULL && _caller->method_data()->is_mature()) { |
| mdo->set_mature(); |
| } |
| } |
| return result; |
| } |
| |
| |
| #ifdef ASSERT |
| // ------------------------------------------------------------------ |
| // ciMethodHandle::print_chain_impl |
| // |
| // Implementation of the print method. |
| void ciMethodHandle::print_chain_impl() { |
| ASSERT_IN_VM; |
| MethodHandleChain::print(get_oop()); |
| } |
| |
| |
| // ------------------------------------------------------------------ |
| // ciMethodHandle::print_chain |
| // |
| // Implementation of the print_chain method. |
| void ciMethodHandle::print_chain() { |
| GUARDED_VM_ENTRY(print_chain_impl();); |
| } |
| #endif |