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c2af646ad8
This enables a forked process to update the capability of its context area RM session. ref #989
179 lines
4.4 KiB
C++
179 lines
4.4 KiB
C++
/*
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* \brief Noux session interface
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* \author Norman Feske
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* \date 2011-02-15
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*/
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/*
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* Copyright (C) 2011-2013 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 _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_
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#define _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_
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#include <base/stdint.h>
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#include <session/session.h>
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#include <dataspace/capability.h>
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#include <rm_session/capability.h>
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#define NOUX_DECL_SYSCALL_NAME(name) \
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case SYSCALL_##name: return #name;
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namespace Noux {
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using namespace Genode;
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struct Session : Genode::Session
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{
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static const char *service_name() { return "Noux"; }
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virtual ~Session() { }
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virtual Dataspace_capability sysio_dataspace() = 0;
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/**
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* Return leaf RM session that covers a given address
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*
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* \param addr address that is covered by the requested RM session
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*/
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virtual Rm_session_capability lookup_rm_session(addr_t const addr) = 0;
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enum Syscall {
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SYSCALL_WRITE,
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SYSCALL_READ,
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SYSCALL_STAT,
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SYSCALL_LSTAT,
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SYSCALL_FSTAT,
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SYSCALL_FTRUNCATE,
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SYSCALL_FCNTL,
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SYSCALL_OPEN,
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SYSCALL_CLOSE,
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SYSCALL_IOCTL,
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SYSCALL_LSEEK,
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SYSCALL_DIRENT,
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SYSCALL_EXECVE,
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SYSCALL_SELECT,
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SYSCALL_FORK,
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SYSCALL_GETPID,
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SYSCALL_WAIT4,
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SYSCALL_PIPE,
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SYSCALL_DUP2,
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SYSCALL_UNLINK,
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SYSCALL_READLINK,
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SYSCALL_RENAME,
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SYSCALL_MKDIR,
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SYSCALL_SYMLINK,
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SYSCALL_SOCKET,
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SYSCALL_GETSOCKOPT,
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SYSCALL_SETSOCKOPT,
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SYSCALL_ACCEPT,
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SYSCALL_BIND,
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SYSCALL_LISTEN,
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SYSCALL_SEND,
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SYSCALL_SENDTO,
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SYSCALL_RECV,
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SYSCALL_RECVFROM,
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SYSCALL_GETPEERNAME,
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SYSCALL_SHUTDOWN,
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SYSCALL_CONNECT,
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SYSCALL_USERINFO,
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SYSCALL_GETTIMEOFDAY,
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SYSCALL_CLOCK_GETTIME,
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SYSCALL_UTIMES,
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SYSCALL_SYNC,
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SYSCALL_KILL,
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SYSCALL_INVALID = -1
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};
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static char const *syscall_name(Syscall sc)
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{
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switch (sc) {
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NOUX_DECL_SYSCALL_NAME(WRITE)
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NOUX_DECL_SYSCALL_NAME(READ)
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NOUX_DECL_SYSCALL_NAME(STAT)
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NOUX_DECL_SYSCALL_NAME(LSTAT)
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NOUX_DECL_SYSCALL_NAME(FSTAT)
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NOUX_DECL_SYSCALL_NAME(FTRUNCATE)
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NOUX_DECL_SYSCALL_NAME(FCNTL)
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NOUX_DECL_SYSCALL_NAME(OPEN)
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NOUX_DECL_SYSCALL_NAME(CLOSE)
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NOUX_DECL_SYSCALL_NAME(IOCTL)
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NOUX_DECL_SYSCALL_NAME(LSEEK)
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NOUX_DECL_SYSCALL_NAME(DIRENT)
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NOUX_DECL_SYSCALL_NAME(EXECVE)
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NOUX_DECL_SYSCALL_NAME(SELECT)
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NOUX_DECL_SYSCALL_NAME(FORK)
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NOUX_DECL_SYSCALL_NAME(GETPID)
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NOUX_DECL_SYSCALL_NAME(WAIT4)
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NOUX_DECL_SYSCALL_NAME(PIPE)
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NOUX_DECL_SYSCALL_NAME(DUP2)
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NOUX_DECL_SYSCALL_NAME(UNLINK)
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NOUX_DECL_SYSCALL_NAME(READLINK)
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NOUX_DECL_SYSCALL_NAME(RENAME)
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NOUX_DECL_SYSCALL_NAME(MKDIR)
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NOUX_DECL_SYSCALL_NAME(SYMLINK)
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NOUX_DECL_SYSCALL_NAME(SOCKET)
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NOUX_DECL_SYSCALL_NAME(GETSOCKOPT)
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NOUX_DECL_SYSCALL_NAME(SETSOCKOPT)
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NOUX_DECL_SYSCALL_NAME(ACCEPT)
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NOUX_DECL_SYSCALL_NAME(BIND)
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NOUX_DECL_SYSCALL_NAME(LISTEN)
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NOUX_DECL_SYSCALL_NAME(SEND)
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NOUX_DECL_SYSCALL_NAME(SENDTO)
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NOUX_DECL_SYSCALL_NAME(RECV)
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NOUX_DECL_SYSCALL_NAME(RECVFROM)
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NOUX_DECL_SYSCALL_NAME(GETPEERNAME)
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NOUX_DECL_SYSCALL_NAME(SHUTDOWN)
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NOUX_DECL_SYSCALL_NAME(CONNECT)
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NOUX_DECL_SYSCALL_NAME(USERINFO)
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NOUX_DECL_SYSCALL_NAME(GETTIMEOFDAY)
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NOUX_DECL_SYSCALL_NAME(CLOCK_GETTIME)
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NOUX_DECL_SYSCALL_NAME(UTIMES)
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NOUX_DECL_SYSCALL_NAME(SYNC)
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NOUX_DECL_SYSCALL_NAME(KILL)
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case SYSCALL_INVALID: return 0;
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}
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return 0;
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}
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/**
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* Perform syscall
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*
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* The syscall arguments and results are communicated via the shared
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* sysio dataspace.
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*
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* \return true on success
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*/
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virtual bool syscall(Syscall syscall) = 0;
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/*
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* Return the next open file descriptor, starting from (and including)
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* 'start_fd'.
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*
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* \return the next open file descriptor or -1
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*/
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virtual int next_open_fd(int start_fd) = 0;
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/*********************
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** RPC declaration **
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*********************/
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GENODE_RPC(Rpc_sysio_dataspace, Dataspace_capability, sysio_dataspace);
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GENODE_RPC(Rpc_lookup_rm_session, Rm_session_capability,
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lookup_rm_session, addr_t);
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GENODE_RPC(Rpc_syscall, bool, syscall, Syscall);
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GENODE_RPC(Rpc_next_open_fd, int, next_open_fd, int);
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GENODE_RPC_INTERFACE(Rpc_sysio_dataspace, Rpc_lookup_rm_session,
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Rpc_syscall, Rpc_next_open_fd);
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};
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}
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#undef NOUX_DECL_SYSCALL_NAME
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#endif /* _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_ */
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