Mercurial > hg > graal-compiler
view src/share/vm/ci/ciMethodHandle.cpp @ 3405:8cbcd406c42e
7042740: CMS: assert(n> q) failed: Looping at: ... blockOffsetTable.cpp:557
Summary: Do a one-step look-ahead, when sweeping free or garbage blocks, to avoid overstepping sweep limit, which may become a non-block-boundary because of a heap expansion delta coalescing with a previously co-terminal free block.
Reviewed-by: brutisso, tonyp
author | ysr |
---|---|
date | Fri, 27 May 2011 15:05:33 -0700 |
parents | a80577f854f9 |
children | f56542cb325a |
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/* * 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) 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->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) const { 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; } // ------------------------------------------------------------------ // ciMethodHandle::print_impl // // Implementation of the print method. void ciMethodHandle::print_impl(outputStream* st) { st->print(" type="); get_oop()->print(); }