diff options
Diffstat (limited to 'nuttx/include/sys/syscall.h')
| -rw-r--r-- | nuttx/include/sys/syscall.h | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/nuttx/include/sys/syscall.h b/nuttx/include/sys/syscall.h new file mode 100644 index 000000000..57545beb7 --- /dev/null +++ b/nuttx/include/sys/syscall.h @@ -0,0 +1,398 @@ +/**************************************************************************** + * include/sys/syscall.h + * This file contains the system call numbers. + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __INCLUDE_SYS_SYSCALL_H +#define __INCLUDE_SYS_SYSCALL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#ifndef __ASSEMBLY__ +# include <stdint.h> +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Reserve the first system calls for platform-specific usage if so + * configured. + */ + +#ifndef CONFIG_SYS_RESERVED +# define CONFIG_SYS_RESERVED (0) +#endif + +/* System call numbers + * + * These first system calls are supported regardless of the NuttX + * configuration + */ + +#define SYS__exit (CONFIG_SYS_RESERVED+0) +#define SYS_exit (CONFIG_SYS_RESERVED+1) +#define SYS_get_errno (CONFIG_SYS_RESERVED+2) +#define SYS_getpid (CONFIG_SYS_RESERVED+3) +#define SYS_sched_getparam (CONFIG_SYS_RESERVED+4) +#define SYS_sched_getscheduler (CONFIG_SYS_RESERVED+5) +#define SYS_sched_lock (CONFIG_SYS_RESERVED+6) +#define SYS_sched_lockcount (CONFIG_SYS_RESERVED+7) +#define SYS_sched_rr_get_interval (CONFIG_SYS_RESERVED+8) +#define SYS_sched_setparam (CONFIG_SYS_RESERVED+9) +#define SYS_sched_setscheduler (CONFIG_SYS_RESERVED+10) +#define SYS_sched_unlock (CONFIG_SYS_RESERVED+11) +#define SYS_sched_yield (CONFIG_SYS_RESERVED+12) +#define SYS_sem_close (CONFIG_SYS_RESERVED+13) +#define SYS_sem_destroy (CONFIG_SYS_RESERVED+14) +#define SYS_sem_open (CONFIG_SYS_RESERVED+15) +#define SYS_sem_post (CONFIG_SYS_RESERVED+16) +#define SYS_sem_trywait (CONFIG_SYS_RESERVED+17) +#define SYS_sem_unlink (CONFIG_SYS_RESERVED+18) +#define SYS_sem_wait (CONFIG_SYS_RESERVED+19) +#define SYS_set_errno (CONFIG_SYS_RESERVED+20) +#define SYS_task_create (CONFIG_SYS_RESERVED+21) +#define SYS_task_delete (CONFIG_SYS_RESERVED+22) +#define SYS_task_restart (CONFIG_SYS_RESERVED+23) +#define SYS_up_assert (CONFIG_SYS_RESERVED+24) +#define SYS_up_assert_code (CONFIG_SYS_RESERVED+25) +#define __SYS_atexit (CONFIG_SYS_RESERVED+26) + +/* The following can be individually enabled */ + +#ifdef CONFIG_SCHED_ATEXIT +# define SYS_atexit __SYS_atexit +# define __SYS_onexit (__SYS_atexit+1) +#else +# define __SYS_onexit __SYS_atexit +#endif + +#ifdef CONFIG_SCHED_ONEXIT +# define SYS_onexit __SYS_onexit +# define __SYS_waitpaid (__SYS_onexit+1) +#else +# define __SYS_waitpaid __SYS_onexit +#endif + +#ifdef CONFIG_SCHED_WAITPID +# define SYS_waitpid __SYS_waitpaid +# define __SYS_signals (__SYS_waitpaid+1) +#else +# define __SYS_signals __SYS_waitpaid +#endif + +/* The following are only defined is signals are supported in the NuttX + * configuration. + */ + +#ifndef CONFIG_DISABLE_SIGNALS +# define SYS_kill (__SYS_signals+0) +# define SYS_sigaction (__SYS_signals+1) +# define SYS_sigpending (__SYS_signals+2) +# define SYS_sigprocmask (__SYS_signals+3) +# define SYS_sigqueue (__SYS_signals+4) +# define SYS_sigsuspend (__SYS_signals+5) +# define SYS_sigtimedwait (__SYS_signals+6) +# define SYS_sigwaitinfo (__SYS_signals+7) +# define SYS_sleep (__SYS_signals+8) +# define SYS_usleep (__SYS_signals+9) +# define __SYS_clock (__SYS_signals+10) +#else +# define __SYS_clock __SYS_signals +#endif + +/* The following are only defined if the system clock is enabled in the + * NuttX configuration. + */ + +#ifndef CONFIG_DISABLE_CLOCK +# define SYS_clock_systimer (__SYS_clock+0) +# define SYS_clock_getres (__SYS_clock+1) +# define SYS_clock_gettime (__SYS_clock+2) +# define SYS_clock_settime (__SYS_clock+3) +# define SYS_gettimeofday (__SYS_clock+4) +# define __SYS_timers (__SYS_clock+5) +#else +# define __SYS_timers __SYS_clock +#endif + +/* The following are defined only if POSIX timers are supported */ + +#ifndef CONFIG_DISABLE_POSIX_TIMERS +# define SYS_timer_create (__SYS_timers+0) +# define SYS_timer_delete (__SYS_timers+1) +# define SYS_timer_getoverrun (__SYS_timers+2) +# define SYS_timer_gettime (__SYS_timers+3) +# define SYS_timer_settime (__SYS_timers+4) +# define __SYS_descriptors (__SYS_timers+5) +#else +# define __SYS_descriptors __SYS_timers +#endif + +/* The following are defined if either file or socket descriptor are + * enabled. + */ + +#ifndef CONFIG_NET +# undef CONFIG_NSOCKET_DESCRIPTORS +# define CONFIG_NSOCKET_DESCRIPTORS 0 +#endif + +#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0 +# define SYS_close (__SYS_descriptors+0) +# define SYS_ioctl (__SYS_descriptors+1) +# define SYS_read (__SYS_descriptors+2) +# define SYS_write (__SYS_descriptors+3) +# ifndef CONFIG_DISABLE_POLL +# define SYS_poll (__SYS_descriptors+4) +# define SYS_select (__SYS_descriptors+5) +# define __SYS_filedesc (__SYS_descriptors+6) +# else +# define __SYS_filedesc (__SYS_descriptors+4) +# endif +#else +# define __SYS_filedesc __SYS_descriptors +#endif + +/* The following are defined if file descriptors are enabled */ + +#if CONFIG_NFILE_DESCRIPTORS > 0 +# define SYS_closedir (__SYS_filedesc+0) +# define SYS_dup (__SYS_filedesc+1) +# define SYS_dup2 (__SYS_filedesc+2) +# define SYS_fcntl (__SYS_filedesc+3) +# define SYS_lseek (__SYS_filedesc+4) +# define SYS_mkfifo (__SYS_filedesc+5) +# define SYS_mmap (__SYS_filedesc+6) +# define SYS_open (__SYS_filedesc+7) +# define SYS_opendir (__SYS_filedesc+8) +# define SYS_pipe (__SYS_filedesc+9) +# define SYS_readdir (__SYS_filedesc+10) +# define SYS_rewinddir (__SYS_filedesc+11) +# define SYS_seekdir (__SYS_filedesc+12) +# define SYS_stat (__SYS_filedesc+13) +# define SYS_statfs (__SYS_filedesc+14) +# define SYS_telldir (__SYS_filedesc+15) + +# if CONFIG_NFILE_STREAMS > 0 +# define SYS_fs_fdopen (__SYS_filedesc+16) +# define SYS_sched_getstreams (__SYS_filedesc+17) +# define __SYS_mountpoint (__SYS_filedesc+18) +# else +# define __SYS_mountpoint (__SYS_filedesc+16) +# endif + +# if !defined(CONFIG_DISABLE_MOUNTPOINT) +# define SYS_fsync (__SYS_mountpoint+0) +# define SYS_mkdir (__SYS_mountpoint+1) +# define SYS_mount (__SYS_mountpoint+2) +# define SYS_rename (__SYS_mountpoint+3) +# define SYS_rmdir (__SYS_mountpoint+4) +# define SYS_umount (__SYS_mountpoint+5) +# define SYS_unlink (__SYS_mountpoint+6) +# define __SYS_pthread (__SYS_mountpoint+7) +# else +# define __SYS_pthread __SYS_mountpoint +# endif + +#else +# define __SYS_pthread __SYS_filedesc +#endif + +/* The following are defined if pthreads are enabled */ + +#ifndef CONFIG_DISABLE_PTHREAD +# define SYS_pthread_barrier_destroy (__SYS_pthread+0) +# define SYS_pthread_barrier_init (__SYS_pthread+1) +# define SYS_pthread_barrier_wait (__SYS_pthread+2) +# define SYS_pthread_cancel (__SYS_pthread+3) +# define SYS_pthread_cond_broadcast (__SYS_pthread+4) +# define SYS_pthread_cond_destroy (__SYS_pthread+5) +# define SYS_pthread_cond_init (__SYS_pthread+6) +# define SYS_pthread_cond_signal (__SYS_pthread+7) +# define SYS_pthread_cond_wait (__SYS_pthread+8) +# define SYS_pthread_create (__SYS_pthread+9) +# define SYS_pthread_detach (__SYS_pthread+10) +# define SYS_pthread_exit (__SYS_pthread+11) +# define SYS_pthread_getschedparam (__SYS_pthread+12) +# define SYS_pthread_getspecific (__SYS_pthread+13) +# define SYS_pthread_join (__SYS_pthread+14) +# define SYS_pthread_key_create (__SYS_pthread+15) +# define SYS_pthread_key_delete (__SYS_pthread+16) +# define SYS_pthread_mutex_destroy (__SYS_pthread+17) +# define SYS_pthread_mutex_init (__SYS_pthread+18) +# define SYS_pthread_mutex_lock (__SYS_pthread+19) +# define SYS_pthread_mutex_trylock (__SYS_pthread+20) +# define SYS_pthread_mutex_unlock (__SYS_pthread+21) +# define SYS_pthread_once (__SYS_pthread+22) +# define SYS_pthread_setcancelstate (__SYS_pthread+23) +# define SYS_pthread_setschedparam (__SYS_pthread+24) +# define SYS_pthread_setschedprio (__SYS_pthread+25) +# define SYS_pthread_setspecific (__SYS_pthread+26) +# define SYS_pthread_yield (__SYS_pthread+27) + +# ifndef CONFIG_DISABLE_SIGNAL +# define SYS_pthread_cond_timedwait (__SYS_pthread+28) +# define SYS_pthread_kill (__SYS_pthread+29) +# define SYS_pthread_sigmask (__SYS_pthread+30) +# define __SYS_mqueue (__SYS_pthread+31) +# else +# define __SYS_mqueue (__SYS_pthread+28) +# endif + +#else +# define __SYS_mqueue __SYS_pthread +#endif + +/* The following are defined only if message queues are enabled */ + +#ifndef CONFIG_DISABLE_MQUEUE +# define SYS_mq_close (__SYS_mqueue+0) +# define SYS_mq_notify (__SYS_mqueue+1) +# define SYS_mq_open (__SYS_mqueue+2) +# define SYS_mq_receive (__SYS_mqueue+3) +# define SYS_mq_send (__SYS_mqueue+4) +# define SYS_mq_timedreceive (__SYS_mqueue+5) +# define SYS_mq_timedsend (__SYS_mqueue+6) +# define SYS_mq_unlink (__SYS_mqueue+7) +# define __SYS_environ (__SYS_mqueue+8) +#else +# define __SYS_environ __SYS_mqueue +#endif + +/* The following are defined only if environment variables are supported */ + +#ifndef CONFIG_DISABLE_ENVIRON +# define SYS_clearenv (__SYS_environ+0) +# define SYS_getenv (__SYS_environ+1) +# define SYS_putenv (__SYS_environ+2) +# define SYS_setenv (__SYS_environ+3) +# define SYS_unsetenv (__SYS_environ+4) +# define __SYS_network (__SYS_environ+5) +#else +# define __SYS_network __SYS_environ +#endif + +/* The following are defined only if networking AND sockets are supported */ + +#if CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET) +# define SYS_accept (__SYS_network+0) +# define SYS_bind (__SYS_network+1) +# define SYS_connect (__SYS_network+2) +# define SYS_getsockopt (__SYS_network+3) +# define SYS_listen (__SYS_network+4) +# define SYS_recv (__SYS_network+5) +# define SYS_recvfrom (__SYS_network+6) +# define SYS_send (__SYS_network+7) +# define SYS_sendto (__SYS_network+8) +# define SYS_setsockopt (__SYS_network+9) +# define SYS_socket (__SYS_network+10) +# define SYS_nnetsocket (__SYS_network+11) +#else +# define SYS_nnetsocket __SYS_network +#endif + +/* The following is defined only if CONFIG_TASK_NAME_SIZE > 0 */ + +#if CONFIG_TASK_NAME_SIZE > 0 +# define SYS_prctl (SYS_nnetsocket+0) +# define SYS_maxsyscall (SYS_nnetsocket+1) +#else +# define SYS_maxsyscall SYS_nnetsocket +#endif + +/* Note that the reported number of system calls does *NOT* include the + * architecture-specific system calls. If the "real" total is required, + * use SYS_maxsyscall. + */ + +#define SYS_nsyscalls (SYS_maxsyscall-CONFIG_SYS_RESERVED) + +/**************************************************************************** + * Public Type Definitions + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* This is the union of all possible stub function types */ + +union syscall_stubfunc_u +{ + uintptr_t (*stub0)(void); + uintptr_t (*stub1)(uintptr_t parm1); + uintptr_t (*stub2)(uintptr_t parm1, uintptr_t parm2); + uintptr_t (*stub3)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3); + uintptr_t (*stub4)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4); + uintptr_t (*stub5)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4, uintptr_t parm5); + uintptr_t (*stub6)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4, uintptr_t parm5, uintptr_t parm6); +}; + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* Stub lookup tables. Each table is indexed by the system call numbers + * defined above. Given the system call number, the corresponding entry in + * these tables describes how to call the stub dispatch function. + */ + +EXTERN const union syscall_stubfunc_u g_stublookup[SYS_nsyscalls]; +EXTERN const uint8_t g_stubnparms[SYS_nsyscalls]; + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __INCLUDE_SYS_SYSCALL_H */ + |