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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "arch/context.h"
#include "base/logging.h" // For VLOG_IS_ON.
#include "base/mutex.h"
#include "callee_save_frame.h"
#include "interpreter/interpreter.h"
#include "obj_ptr-inl.h" // TODO: Find the other include that isn't complete, and clean this up.
#include "quick_exception_handler.h"
#include "runtime.h"
#include "thread.h"
namespace art HIDDEN {
extern "C" Context* artDeoptimize(Thread* self, bool skip_method_exit_callbacks)
REQUIRES_SHARED(Locks::mutator_lock_) {
ScopedQuickEntrypointChecks sqec(self);
std::unique_ptr<Context> context = self->Deoptimize(DeoptimizationKind::kFullFrame,
/*single_frame=*/ false,
skip_method_exit_callbacks);
DCHECK(context != nullptr);
return context.release();
}
// This is called directly from compiled code by an HDeoptimize.
extern "C" Context* artDeoptimizeFromCompiledCode(DeoptimizationKind kind, Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_) {
ScopedQuickEntrypointChecks sqec(self);
// Before deoptimizing to interpreter, we must push the deoptimization context.
JValue return_value;
return_value.SetJ(0); // we never deoptimize from compiled code with an invoke result.
self->PushDeoptimizationContext(return_value,
/* is_reference= */ false,
self->GetException(),
/* from_code= */ true,
DeoptimizationMethodType::kDefault);
// Deopting from compiled code, so method exit haven't run yet. Don't skip method exit callbacks
// if required.
std::unique_ptr<Context> context = self->Deoptimize(kind,
/*single_frame=*/ true,
/* skip_method_exit_callbacks= */ false);
DCHECK(context != nullptr);
return context.release();
}
} // namespace art
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