1 /*
 2  * Copyright (c) 2023, 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
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24 
25 #ifndef SHARE_CDS_CDSENDTRAININGUPCALL_HPP
26 #define SHARE_CDS_CDSENDTRAININGUPCALL_HPP
27 
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/allStatic.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "utilities/globalDefinitions.hpp"
32 #include "utilities/macros.hpp"
33 
34 class BasicMatcher;
35 class MethodDetails;
36 class Symbol;
37 
38 class CDSEndTrainingUpcall : AllStatic {
39 private:
40   static uint volatile  _count;
41   static uint           _limit;
42   static int  volatile  _triggered;
43   static BasicMatcher*  _matcher;
44 
45   static bool parse_vm_command(ccstrlist command);
46   static void set_limit(uint limit) { _limit = limit; }
47 
48 public:
49   static bool register_upcalls();
50   static bool filter_method_callback(MethodDetails& method_details);
51   static void end_training_check(TRAPS);
52   static bool end_training(TRAPS);
53   static void set_method_entry_limit(uint limit) { _limit = limit; }
54 };
55 
56 #endif // SHARE_CDS_CDSENDTRAININGUPCALL_HPP