jdk-24/hotspot/src/share/vm/ci/ciMethodHandle.cpp
John R Rose f8fe3457a5 7009600: JSR 292 Server compiler crashes in Compile::find_intrinsic(ciMethod*, bool)
Catch errors during the compile-time processing of method handles; back out cleanly

Reviewed-by: twisti
2011-04-07 17:12:23 -07:00

70 lines
2.4 KiB
C++

/*
* 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.
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*/
#include "precompiled.hpp"
#include "ci/ciClassList.hpp"
#include "ci/ciInstance.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(bool is_invokedynamic) const {
VM_ENTRY_MARK;
Handle h(get_oop());
methodHandle callee(_callee->get_methodOop());
// We catch all exceptions here that could happen in the method
// handle compiler and stop the VM.
MethodHandleCompiler mhc(h, callee, 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::print_impl
//
// Implementation of the print method.
void ciMethodHandle::print_impl(outputStream* st) {
st->print(" type=");
get_oop()->print();
}