1 /*

     2  * Copyright (c) 2012, 2018, 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  */

    24 

    25 #include "precompiled.hpp"

    26 #include "jfr/recorder/service/jfrEvent.hpp"

    27 #include "utilities/bitMap.inline.hpp"

    28 #include "utilities/macros.hpp"

    29 

    30 #ifdef ASSERT

    31 JfrEventVerifier::JfrEventVerifier() : _committed(false) {

    32   memset(_verification_storage, 0, (sizeof(_verification_storage)));

    33   _verification_bit_map = BitMapView(_verification_storage, (BitMap::idx_t)(sizeof(_verification_storage) * BitsPerByte));

    34 }

    35 

    36 void JfrEventVerifier::check(BitMap::idx_t field_idx) const {

    37   assert(field_idx < _verification_bit_map.size(), "too many fields to verify, please resize _verification_storage");

    38 }

    39 

    40 void JfrEventVerifier::set_field_bit(size_t field_idx) {

    41   check((BitMap::idx_t)field_idx);

    42   _verification_bit_map.set_bit((BitMap::idx_t)field_idx);

    43 }

    44 

    45 bool JfrEventVerifier::verify_field_bit(size_t field_idx) const {

    46   check((BitMap::idx_t)field_idx);

    47   return _verification_bit_map.at((BitMap::idx_t)field_idx);

    48 }

    49 

    50 void JfrEventVerifier::set_committed() {

    51   assert(!_committed, "invariant");

    52   _committed = true;

    53 }

    54 

    55 void JfrEventVerifier::clear_committed() {

    56   _committed = false;

    57 }

    58 

    59 bool JfrEventVerifier::committed() const {

    60   return _committed;

    61 }

    62 

    63 #endif // ASSERT