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 = BitMap(_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