src/share/vm/ci/ciCallSite.cpp

Tue, 18 Jun 2013 12:31:07 -0700

author
johnc
date
Tue, 18 Jun 2013 12:31:07 -0700
changeset 5277
01522ca68fc7
parent 3050
fdb992d83a87
child 6876
710a3c8b516e
permissions
-rw-r--r--

8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

twisti@1573 1 /*
jrose@2639 2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
twisti@1573 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@1573 4 *
twisti@1573 5 * This code is free software; you can redistribute it and/or modify it
twisti@1573 6 * under the terms of the GNU General Public License version 2 only, as
twisti@1573 7 * published by the Free Software Foundation.
twisti@1573 8 *
twisti@1573 9 * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@1573 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@1573 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
twisti@1573 12 * version 2 for more details (a copy is included in the LICENSE file that
twisti@1573 13 * accompanied this code).
twisti@1573 14 *
twisti@1573 15 * You should have received a copy of the GNU General Public License version
twisti@1573 16 * 2 along with this work; if not, write to the Free Software Foundation,
twisti@1573 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@1573 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
twisti@1573 22 *
twisti@1573 23 */
twisti@1573 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "ci/ciCallSite.hpp"
stefank@2314 27 #include "ci/ciUtilities.hpp"
twisti@1573 28
twisti@1573 29 // ciCallSite
twisti@1573 30
twisti@3050 31 bool ciCallSite::is_constant_call_site() {
twisti@3050 32 return klass()->is_subclass_of(CURRENT_ENV->ConstantCallSite_klass());
twisti@3050 33 }
twisti@3050 34 bool ciCallSite::is_mutable_call_site() {
twisti@3050 35 return klass()->is_subclass_of(CURRENT_ENV->MutableCallSite_klass());
twisti@3050 36 }
twisti@3050 37 bool ciCallSite::is_volatile_call_site() {
twisti@3050 38 return klass()->is_subclass_of(CURRENT_ENV->VolatileCallSite_klass());
twisti@3050 39 }
twisti@3050 40
twisti@1573 41 // ------------------------------------------------------------------
twisti@1573 42 // ciCallSite::get_target
twisti@1573 43 //
twisti@1573 44 // Return the target MethodHandle of this CallSite.
twisti@1573 45 ciMethodHandle* ciCallSite::get_target() const {
twisti@1573 46 VM_ENTRY_MARK;
jrose@2639 47 oop method_handle_oop = java_lang_invoke_CallSite::target(get_oop());
twisti@1573 48 return CURRENT_ENV->get_object(method_handle_oop)->as_method_handle();
twisti@1573 49 }
twisti@1573 50
twisti@1573 51 // ------------------------------------------------------------------
twisti@1573 52 // ciCallSite::print
twisti@1573 53 //
twisti@1573 54 // Print debugging information about the CallSite.
twisti@1573 55 void ciCallSite::print() {
twisti@1573 56 Unimplemented();
twisti@1573 57 }

mercurial