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56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
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* \brief Client-side stub for region map
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* \author Christian Helmuth
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* \author Norman Feske
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* \date 2006-07-11
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*/
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/*
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* Copyright (C) 2006-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__REGION_MAP__CLIENT_H_
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#define _INCLUDE__REGION_MAP__CLIENT_H_
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#include <base/rpc_client.h>
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#include <region_map/region_map.h>
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namespace Genode { class Region_map_client; }
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class Genode::Region_map_client : public Rpc_client<Region_map>
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{
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private:
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/*
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* Multiple calls to get the dataspace capability on NOVA lead to the
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* situation that the caller gets each time a new mapping of the same
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* capability at different indices. But the client/caller assumes to
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* get every time the very same index, e.g., in Noux the index is used
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* to look up data structures attached to the capability. Therefore, we
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* cache the dataspace capability on the first request.
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*
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* On all other base platforms, this member variable remains unused.
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*/
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Dataspace_capability _rm_ds_cap;
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public:
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explicit Region_map_client(Capability<Region_map>);
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Local_addr attach(Dataspace_capability ds, size_t size = 0,
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off_t offset = 0, bool use_local_addr = false,
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Local_addr local_addr = (void *)0,
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bool executable = false) override;
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void detach(Local_addr) override;
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void fault_handler(Signal_context_capability) override;
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State state() override;
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Dataspace_capability dataspace() override;
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};
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#endif /* _INCLUDE__REGION_MAP__CLIENT_H_ */
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