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_CISIGNATURE_HPP
26 #define SHARE_VM_CI_CISIGNATURE_HPP
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciSymbol.hpp"
30 #include "utilities/globalDefinitions.hpp"
31 #include "utilities/growableArray.hpp"
33 // ciSignature
34 //
35 // This class represents the signature of a method.
36 class ciSignature : public ResourceObj {
37 private:
38 ciSymbol* _symbol;
39 ciKlass* _accessing_klass;
41 GrowableArray<ciType*>* _types;
42 int _size; // number of stack slots required for arguments
43 int _count; // number of parameter types in the signature
45 friend class ciMethod;
46 friend class ciBytecodeStream;
47 friend class ciObjectFactory;
49 ciSignature(ciKlass* accessing_klass, constantPoolHandle cpool, ciSymbol* signature);
50 ciSignature(ciKlass* accessing_klass, ciSymbol* signature, ciMethodType* method_type);
52 void get_all_klasses();
54 Symbol* get_symbol() const { return _symbol->get_symbol(); }
56 public:
57 ciSymbol* as_symbol() const { return _symbol; }
58 ciKlass* accessing_klass() const { return _accessing_klass; }
60 ciType* return_type() const;
61 ciType* type_at(int index) const;
63 int size() const { return _size; }
64 int count() const { return _count; }
66 int arg_size_for_bc(Bytecodes::Code bc) { return size() + (Bytecodes::has_receiver(bc) ? 1 : 0); }
68 bool equals(ciSignature* that);
70 void print_signature();
71 void print();
72 };
74 #endif // SHARE_VM_CI_CISIGNATURE_HPP