You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
3.5 KiB
94 lines
3.5 KiB
/* Copyright (C) 2017 The Android Open Source Project
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This file implements interfaces from the file jvmti.h. This implementation
|
|
* is licensed under the same terms as the file jvmti.h. The
|
|
* copyright and license information for the file jvmti.h follows.
|
|
*
|
|
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* 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.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
#include "ti_dump.h"
|
|
|
|
#include <limits>
|
|
#include <sstream>
|
|
|
|
#include "art_jvmti.h"
|
|
#include "base/mutex.h"
|
|
#include "deopt_manager.h"
|
|
#include "events-inl.h"
|
|
#include "runtime_callbacks.h"
|
|
#include "scoped_thread_state_change-inl.h"
|
|
#include "thread-current-inl.h"
|
|
#include "thread_list.h"
|
|
|
|
namespace openjdkjvmti {
|
|
|
|
struct DumpCallback : public art::RuntimeSigQuitCallback {
|
|
void SigQuit() override REQUIRES_SHARED(art::Locks::mutator_lock_) {
|
|
art::Thread* thread = art::Thread::Current();
|
|
art::ScopedThreadSuspension sts(thread, art::ThreadState::kNative);
|
|
event_handler->DispatchEvent<ArtJvmtiEvent::kDataDumpRequest>(art::Thread::Current());
|
|
}
|
|
|
|
EventHandler* event_handler = nullptr;
|
|
};
|
|
|
|
static DumpCallback gDumpCallback;
|
|
|
|
void DumpUtil::Register(EventHandler* handler) {
|
|
gDumpCallback.event_handler = handler;
|
|
art::ScopedThreadStateChange stsc(art::Thread::Current(),
|
|
art::ThreadState::kWaitingForDebuggerToAttach);
|
|
art::ScopedSuspendAll ssa("Add sigquit callback");
|
|
art::Runtime::Current()->GetRuntimeCallbacks()->AddRuntimeSigQuitCallback(&gDumpCallback);
|
|
}
|
|
|
|
void DumpUtil::Unregister() {
|
|
art::ScopedThreadStateChange stsc(art::Thread::Current(),
|
|
art::ThreadState::kWaitingForDebuggerToAttach);
|
|
art::ScopedSuspendAll ssa("Remove sigquit callback");
|
|
art::Runtime::Current()->GetRuntimeCallbacks()->RemoveRuntimeSigQuitCallback(&gDumpCallback);
|
|
}
|
|
|
|
jvmtiError DumpUtil::DumpInternalState(jvmtiEnv *jvmti, char **data) {
|
|
art::Thread* self = art::Thread::Current();
|
|
if (jvmti == nullptr || self == nullptr) {
|
|
return ERR(INVALID_ENVIRONMENT);
|
|
} else if (data == nullptr) {
|
|
return ERR(NULL_POINTER);
|
|
}
|
|
|
|
std::stringstream ss;
|
|
// TODO Add more stuff on here.
|
|
DeoptManager::Get()->DumpDeoptInfo(self, ss);
|
|
|
|
jvmtiError err = OK;
|
|
JvmtiUniquePtr<char[]> res = CopyString(jvmti, ss.str().c_str(), &err);
|
|
*data = res.release();
|
|
return err;
|
|
}
|
|
|
|
} // namespace openjdkjvmti
|