Mon, 12 Aug 2019 18:30:40 +0300
8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens
never@452 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
never@452 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
never@452 | 4 | * |
never@452 | 5 | * This code is free software; you can redistribute it and/or modify it |
never@452 | 6 | * under the terms of the GNU General Public License version 2 only, as |
never@452 | 7 | * published by the Free Software Foundation. |
never@452 | 8 | * |
never@452 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
never@452 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
never@452 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
never@452 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
never@452 | 13 | * accompanied this code). |
never@452 | 14 | * |
never@452 | 15 | * You should have received a copy of the GNU General Public License version |
never@452 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
never@452 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
never@452 | 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. |
never@452 | 22 | * |
never@452 | 23 | */ |
never@452 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "ci/ciNullObject.hpp" |
stefank@2314 | 27 | #include "ci/ciObjArray.hpp" |
stefank@2314 | 28 | #include "ci/ciUtilities.hpp" |
stefank@2314 | 29 | #include "oops/objArrayOop.hpp" |
never@452 | 30 | |
never@452 | 31 | // ciObjArray |
never@452 | 32 | // |
never@452 | 33 | // This class represents an objArrayOop in the HotSpot virtual |
never@452 | 34 | // machine. |
never@452 | 35 | |
never@452 | 36 | ciObject* ciObjArray::obj_at(int index) { |
never@452 | 37 | VM_ENTRY_MARK; |
never@452 | 38 | objArrayOop array = get_objArrayOop(); |
never@452 | 39 | if (index < 0 || index >= array->length()) return NULL; |
never@452 | 40 | oop o = array->obj_at(index); |
never@452 | 41 | if (o == NULL) { |
never@452 | 42 | return ciNullObject::make(); |
never@452 | 43 | } else { |
never@452 | 44 | return CURRENT_ENV->get_object(o); |
never@452 | 45 | } |
never@452 | 46 | } |