Guest.hh

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/*
 * Copyright 2021 Assured Information Security, Inc.
 *
 * 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.
 */
#pragma once
 
#include <introvirt/core/event/Event.hh>
#include <introvirt/core/memory/guest_ptr.hh>
 
#include <memory>
#include <ostream>
#include <string>
 
namespace introvirt {
 
class GuestImpl;
 
class Guest {
  public:
    virtual OS os() const = 0;
 
    virtual bool x64() const = 0;
 
    virtual guest_ptr<void> allocate(size_t& region_size, bool executable = false) = 0;
 
    virtual void guest_free(const guest_ptr<void>& ptr, size_t region_size) = 0;
 
    virtual bool page_in(Event& event, uint64_t virtual_address) = 0;
 
    virtual GuestImpl& impl() = 0;
    virtual const GuestImpl& impl() const = 0;
 
    virtual ~Guest() = default;
};
 
} // namespace introvirt