1 /*

     2  * Copyright (c) 2019, SAP SE. All rights reserved.

     3  * Copyright (c) 2019, Oracle and/or its affiliates. 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 #ifndef SHARE_MEMORY_METASPACEENUMS_HPP

    26 #define SHARE_MEMORY_METASPACEENUMS_HPP

    27 

    28 #include "utilities/debug.hpp"

    29 

    30 // MetadataType and MetaspaceType, as well as some convenience functions surrounding them.

    31 namespace metaspace {

    32 

    33 ///////////////////////

    34 

    35 enum MetadataType {

    36   ClassType,

    37   NonClassType,

    38   MetadataTypeCount

    39 };

    40 

    41 inline bool is_class(MetadataType md) { return md == ClassType; }

    42 

    43 inline MetadataType mdtype_from_bool(bool is_class) { return is_class ? ClassType : NonClassType; }

    44 

    45 const char* describe_mdtype(MetadataType md);

    46 

    47 #ifdef ASSERT

    48 inline bool is_valid_mdtype(MetadataType md) {

    49   return (int)md >= 0 && (int)md < MetadataTypeCount;

    50 }

    51 inline void check_valid_mdtype(MetadataType md) {

    52   assert(is_valid_mdtype(md), "Wrong value for MetadataType: %d", (int) md);

    53 }

    54 #endif // ASSERT

    55 

    56 ///////////////////////

    57 

    58 enum MetaspaceType {

    59   ZeroMetaspaceType = 0,

    60   StandardMetaspaceType = ZeroMetaspaceType,

    61   BootMetaspaceType = StandardMetaspaceType + 1,

    62   UnsafeAnonymousMetaspaceType = BootMetaspaceType + 1,

    63   ReflectionMetaspaceType = UnsafeAnonymousMetaspaceType + 1,

    64   MetaspaceTypeCount

    65 };

    66 

    67 const char* describe_spacetype(MetaspaceType st);

    68 

    69 #ifdef ASSERT

    70 inline bool is_valid_spacetype(MetaspaceType st) {

    71   return (int)st >= 0 && (int)st < MetaspaceTypeCount;

    72 }

    73 inline void check_valid_spacetype(MetaspaceType st) {

    74   assert(is_valid_spacetype(st), "Wrong value for MetaspaceType: %d", (int) st);

    75 }

    76 #endif

    77 

    78 } // namespace metaspace

    79 

    80 #endif // SHARE_MEMORY_METASPACEENUMS_HPP