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
1 /*
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_CI_CIARRAYKLASS_HPP
26 #define SHARE_VM_CI_CIARRAYKLASS_HPP
28 #include "ci/ciKlass.hpp"
30 // ciArrayKlass
31 //
32 // This class, and its subclasses represent Klass*s in the
33 // HotSpot virtual machine whose Klass part is an ArrayKlass.
34 class ciArrayKlass : public ciKlass {
35 CI_PACKAGE_ACCESS
36 private:
37 jint _dimension;
39 protected:
40 ciArrayKlass(KlassHandle h_k);
41 ciArrayKlass(ciSymbol* name, int dimension, BasicType bt);
43 ArrayKlass* get_ArrayKlass() {
44 return (ArrayKlass*)get_Klass();
45 }
47 const char* type_string() { return "ciArrayKlass"; }
49 public:
50 jint dimension() { return _dimension; }
51 ciType* element_type(); // JLS calls this the "component type"
52 ciType* base_element_type(); // JLS calls this the "element type"
53 bool is_leaf_type(); // No subtypes of this array type.
55 ciInstance* component_mirror() {
56 // This is a real field in ArrayKlass, but we derive it from element_type.
57 return element_type()->java_mirror();
58 }
60 // What kind of vmObject is this?
61 bool is_array_klass() const { return true; }
62 bool is_java_klass() const { return true; }
64 static ciArrayKlass* make(ciType* element_type);
65 };
67 #endif // SHARE_VM_CI_CIARRAYKLASS_HPP