/* 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
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*/
#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
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