src/hotspot/share/oops/oopsHierarchy.cpp
author coleenp
Thu, 24 Oct 2019 08:49:21 -0400
changeset 58782 10d2642d1905
parent 58175 272910ccd7bb
permissions -rw-r--r--
8231953: Wrong assumption in assertion in oop::register_oop Summary: On ARM32 thumb mode, the pc of the current frame is always zero Reviewed-by: coleenp, dcubed Contributed-by: christoph.goettschkes@microdoc.com

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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#include "precompiled.hpp"
#include "memory/universe.hpp"
#include "oops/oopsHierarchy.hpp"
#include "runtime/thread.inline.hpp"
#include "utilities/globalDefinitions.hpp"

#ifdef CHECK_UNHANDLED_OOPS

void oop::register_oop() {
  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
  if (!Universe::is_fully_initialized()) return;
  // This gets expensive, which is why checking unhandled oops is on a switch.
  Thread* t = Thread::current_or_null();
  if (t != NULL && t->is_Java_thread()) {
     frame fr = os::current_frame();
     t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
  }
}

void oop::unregister_oop() {
  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
  if (!Universe::is_fully_initialized()) return;
  // This gets expensive, which is why checking unhandled oops is on a switch.
  Thread* t = Thread::current_or_null();
  if (t != NULL && t->is_Java_thread()) {
    t->unhandled_oops()->unregister_unhandled_oop(this);
  }
}

#endif // CHECK_UNHANDLED_OOPS