genode/repos/base-linux/src/lib/base/region_map_client.cc

70 lines
1.9 KiB
C++

/*
* \brief Pseudo region map client stub targeting the process-local implementation
* \author Norman Feske
* \date 2011-11-21
*/
/*
* Copyright (C) 2011-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <region_map/client.h>
/* base-internal includes */
#include <base/internal/local_capability.h>
using namespace Genode;
/**
* Return pointer to locally implemented region map
*
* \throw Local_interface::Non_local_capability
*/
static Region_map *_local(Capability<Region_map> cap)
{
return Local_capability<Region_map>::deref(cap);
}
Region_map_client::Region_map_client(Capability<Region_map> session)
: Rpc_client<Region_map>(session) { }
Region_map::Local_addr
Region_map_client::attach(Dataspace_capability ds, size_t size,
off_t offset, bool use_local_addr,
Region_map::Local_addr local_addr,
bool executable, bool writeable)
{
return _local(*this)->attach(ds, size, offset, use_local_addr,
local_addr, executable, writeable);
}
void Region_map_client::detach(Local_addr local_addr) {
return _local(*this)->detach(local_addr); }
void Region_map_client::fault_handler(Signal_context_capability /*handler*/)
{
/*
* On Linux, page faults are never reflected to the user land. They
* are always handled by the kernel. If a segmentation fault
* occurs, this condition is being reflected as a CPU exception
* to the handler registered via 'Cpu_session::exception_handler'.
*/
}
Region_map::State Region_map_client::state() { return _local(*this)->state(); }
Dataspace_capability Region_map_client::dataspace() {
return _local(*this) ? _local(*this)->dataspace() : Dataspace_capability(); }