twisti@1573: /*
twisti@2437:  * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
twisti@1573:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@1573:  *
twisti@1573:  * This code is free software; you can redistribute it and/or modify it
twisti@1573:  * under the terms of the GNU General Public License version 2 only, as
twisti@1573:  * published by the Free Software Foundation.
twisti@1573:  *
twisti@1573:  * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@1573:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@1573:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
twisti@1573:  * version 2 for more details (a copy is included in the LICENSE file that
twisti@1573:  * accompanied this code).
twisti@1573:  *
twisti@1573:  * You should have received a copy of the GNU General Public License version
twisti@1573:  * 2 along with this work; if not, write to the Free Software Foundation,
twisti@1573:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@1573:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
twisti@1573:  *
twisti@1573:  */
twisti@1573: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "ci/ciClassList.hpp"
stefank@2314: #include "ci/ciInstance.hpp"
twisti@2903: #include "ci/ciMethodData.hpp"
stefank@2314: #include "ci/ciMethodHandle.hpp"
stefank@2314: #include "ci/ciUtilities.hpp"
stefank@2314: #include "prims/methodHandleWalk.hpp"
stefank@2314: #include "prims/methodHandles.hpp"
twisti@1573: 
twisti@1573: // ciMethodHandle
twisti@1573: 
twisti@1573: // ------------------------------------------------------------------
twisti@1573: // ciMethodHandle::get_adapter
twisti@1573: //
twisti@1573: // Return an adapter for this MethodHandle.
never@3105: ciMethod* ciMethodHandle::get_adapter_impl(bool is_invokedynamic) {
twisti@1573:   VM_ENTRY_MARK;
twisti@1573:   Handle h(get_oop());
twisti@1573:   methodHandle callee(_callee->get_methodOop());
jrose@2982:   assert(callee->is_method_handle_invoke(), "");
jrose@2982:   oop mt1 = callee->method_handle_type();
jrose@2982:   oop mt2 = java_lang_invoke_MethodHandle::type(h());
jrose@2982:   if (!java_lang_invoke_MethodType::equals(mt1, mt2)) {
jrose@2982:     if (PrintMiscellaneous && (Verbose || WizardMode)) {
jrose@2982:       tty->print_cr("ciMethodHandle::get_adapter: types not equal");
jrose@2982:       mt1->print(); mt2->print();
jrose@2982:     }
jrose@2982:     return NULL;
jrose@2982:   }
twisti@2437:   // We catch all exceptions here that could happen in the method
twisti@2437:   // handle compiler and stop the VM.
never@2949:   MethodHandleCompiler mhc(h, callee->name(), callee->signature(), _profile.count(), is_invokedynamic, THREAD);
jrose@2744:   if (!HAS_PENDING_EXCEPTION) {
jrose@2744:     methodHandle m = mhc.compile(THREAD);
jrose@2744:     if (!HAS_PENDING_EXCEPTION) {
jrose@2744:       return CURRENT_ENV->get_object(m())->as_method();
jrose@2744:     }
jrose@2744:   }
jrose@2744:   if (PrintMiscellaneous && (Verbose || WizardMode)) {
jrose@2744:     tty->print("*** ciMethodHandle::get_adapter => ");
jrose@2744:     PENDING_EXCEPTION->print();
jrose@2982:     tty->print("*** get_adapter (%s): ", is_invokedynamic ? "indy" : "mh"); ((ciObject*)this)->print();
jrose@2744:   }
jrose@2744:   CLEAR_PENDING_EXCEPTION;
jrose@2744:   return NULL;
twisti@1573: }
twisti@1573: 
twisti@2903: // ------------------------------------------------------------------
twisti@2903: // ciMethodHandle::get_adapter
twisti@2903: //
twisti@2903: // Return an adapter for this MethodHandle.
never@3105: ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) {
twisti@2903:   ciMethod* result = get_adapter_impl(is_invokedynamic);
twisti@2903:   if (result) {
twisti@2903:     // Fake up the MDO maturity.
twisti@2903:     ciMethodData* mdo = result->method_data();
twisti@2903:     if (mdo != NULL && _caller->method_data() != NULL && _caller->method_data()->is_mature()) {
twisti@2903:       mdo->set_mature();
twisti@2903:     }
twisti@2903:   }
twisti@2903:   return result;
twisti@2903: }
twisti@2903: 
twisti@1573: 
never@3105: #ifndef PRODUCT
twisti@1573: // ------------------------------------------------------------------
never@3105: // ciMethodHandle::print_chain_impl
twisti@1573: //
twisti@1573: // Implementation of the print method.
never@3105: void ciMethodHandle::print_chain_impl(outputStream* st) {
never@3105:   ASSERT_IN_VM;
never@3105:   MethodHandleChain::print(get_oop());
twisti@1573: }
never@3105: 
never@3105: 
never@3105: // ------------------------------------------------------------------
never@3105: // ciMethodHandle::print_chain
never@3105: //
never@3105: // Implementation of the print_chain method.
never@3105: void ciMethodHandle::print_chain(outputStream* st) {
never@3105:   GUARDED_VM_ENTRY(print_chain_impl(st););
never@3105: }
never@3105: #endif