1 /*
   2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2020 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef SHARE_MEMORY_METASPACEENUMS_HPP
  27 #define SHARE_MEMORY_METASPACEENUMS_HPP
  28 
  29 #include "memory/metaspace.hpp"
  30 #include "utilities/debug.hpp"
  31 
  32 
  33 namespace metaspace {
  34 
  35 // A bunch of convenience functions around MetadataType and MetaspaceType
  36 
  37 ///////////////////////
  38 
  39 inline bool is_class(Metaspace::MetadataType md) { return md == Metaspace::ClassType; }
  40 
  41 const char* describe_mdtype(Metaspace::MetadataType md);
  42 
  43 #ifdef ASSERT
  44 inline bool is_valid_mdtype(Metaspace::MetadataType md) {
  45   return (int)md >= 0 && (int)md < Metaspace::MetadataTypeCount;
  46 }
  47 inline void check_valid_mdtype(Metaspace::MetadataType md) {
  48   assert(is_valid_mdtype(md), "Wrong value for MetadataType: %d", (int) md);
  49 }
  50 #endif // ASSERT
  51 
  52 ///////////////////////
  53 
  54 const char* describe_spacetype(Metaspace::MetaspaceType st);
  55 
  56 #ifdef ASSERT
  57 inline bool is_valid_spacetype(Metaspace::MetaspaceType st) {
  58   return (int)st >= 0 && (int)st < Metaspace::MetaspaceTypeCount;
  59 }
  60 inline void check_valid_spacetype(Metaspace::MetaspaceType st) {
  61   assert(is_valid_spacetype(st), "Wrong value for MetaspaceType: %d", (int) st);
  62 }
  63 #endif
  64 
  65 } // namespace metaspace
  66 
  67 #endif // SHARE_MEMORY_METASPACEENUMS_HPP