7a369bc74d
With this patch clients of the RM service can state if they want a mapping to be executable or not. This allows dataspaces to be mapped as non-executable on Linux by default and as executable only if needed. Partially fixes #176.
65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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* \brief Core-specific region manager session
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* \author Norman Feske
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* \date 2006-07-12
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*/
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/*
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* Copyright (C) 2006-2012 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 General Public License version 2.
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*/
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#ifndef _CORE__INCLUDE__CORE_RM_SESSION_H_
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#define _CORE__INCLUDE__CORE_RM_SESSION_H_
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/* Genode includes */
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#include <base/rpc_server.h>
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/* core includes */
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#include <dataspace_component.h>
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namespace Genode {
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/**
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* Region manager that uses the physical dataspace
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* addresses directly as virtual addresses.
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*/
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class Core_rm_session : public Rm_session
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{
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private:
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Rpc_entrypoint *_ds_ep;
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public:
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Core_rm_session(Rpc_entrypoint *ds_ep): _ds_ep(ds_ep) { }
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Local_addr attach(Dataspace_capability ds_cap, 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 = 0,
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bool executable = false)
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{
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Dataspace_component *ds = static_cast<Dataspace_component *>(_ds_ep->obj_by_cap(ds_cap));
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if (!ds)
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throw Invalid_dataspace();
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return (void *)ds->phys_addr();
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}
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void detach(Local_addr local_addr) { }
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Pager_capability add_client(Thread_capability thread) {
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return Pager_capability(); }
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void fault_handler(Signal_context_capability handler) { }
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State state() { return State(); }
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Dataspace_capability dataspace() { return Dataspace_capability(); }
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};
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}
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#endif /* _CORE__INCLUDE__CORE_RM_SESSION_H_ */
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