137 lines
4.9 KiB
C
137 lines
4.9 KiB
C
/****************************************************************************
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* syscall/syscall_funclookup.c
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*
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* Copyright (C) 2011-2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <syscall.h>
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/* The content of this file is only meaningful during the kernel phase of
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* a kernel build.
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*/
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#if defined(CONFIG_LIB_SYSCALL) && defined(__KERNEL__)
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <sys/select.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/prctl.h>
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#include <sys/socket.h>
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#include <sys/mount.h>
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#include <sys/boardctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <poll.h>
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#include <time.h>
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#include <sched.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <signal.h>
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#include <mqueue.h>
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#include <spawn.h>
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#include <assert.h>
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/* Errno access is awkward. We need to generate get_errno() and set_errno()
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* interfaces to support the system calls, even though we don't use them
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* ourself.
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*
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* The "normal" pre-processor defintions for these functions is in errno.h
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* but we need the internal function prototypes in nuttx/errno.h.
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*/
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#undef get_errno
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#undef set_errno
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#include <nuttx/errno.h>
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#include <nuttx/clock.h>
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/* clock_systimer is a special case: In the kernel build, proxying for
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* clock_systimer() must be handled specially. In the kernel phase of
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* the build, clock_systimer() is macro that simply accesses a global
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* variable. In the user phase of the kernel build, clock_systimer()
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* is a proxy function.
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*
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* In order to fill out the table g_funclookup[], this function will stand
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* in during the kernel phase of the build so that clock_systemer() will
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* have an address that can be included in the g_funclookup[] table.
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*/
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systime_t syscall_clock_systimer(void);
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* Function lookup tables. This table is indexed by the system call numbers
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* defined above. Given the system call number, this table provides the
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* address of the corresponding system function.
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*
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* This table is only available during the kernel phase of a kernel build.
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*/
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const uintptr_t g_funclookup[SYS_nsyscalls] =
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{
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# undef SYSCALL_LOOKUP1
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# define SYSCALL_LOOKUP1(f,n,p) (uintptr_t)f
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# undef SYSCALL_LOOKUP
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# define SYSCALL_LOOKUP(f,n,p) , (uintptr_t)f
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# include "syscall_lookup.h"
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#endif /* CONFIG_LIB_SYSCALL && __KERNEL__ */
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