110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/****************************************************************************
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* include/sys/syscall.h
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* This file contains the system call numbers.
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_SYS_SYSCALL_H
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#define __INCLUDE_SYS_SYSCALL_H
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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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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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#include <arch/syscall.h>
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#ifdef CONFIG_LIB_SYSCALL
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Note that the reported number of system calls does *NOT* include the
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* architecture-specific system calls. If the "real" total is required,
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* use SYS_maxsyscall.
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*/
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#define SYS_nsyscalls (SYS_maxsyscall - CONFIG_SYS_RESERVED)
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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enum
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{
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# define SYSCALL_LOOKUP_(f) SYS_##f
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# define SYSCALL_LOOKUP1(f,n) SYSCALL_LOOKUP_(f) = CONFIG_SYS_RESERVED
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# define SYSCALL_LOOKUP(f,n) , SYSCALL_LOOKUP_(f)
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# include "syscall_lookup.h"
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, SYS_maxsyscall
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# undef SYSCALL_LOOKUP_
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# undef SYSCALL_LOOKUP1
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# undef SYSCALL_LOOKUP
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#ifdef CONFIG_LIB_SYSCALL
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/* Given the system call number, the corresponding entry in this table
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* provides the address of the stub 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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EXTERN const uintptr_t g_stublookup[SYS_nsyscalls];
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#endif
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/* Given the system call number, the corresponding entry in this table
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* provides the name of the function.
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*/
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EXTERN const char *g_funcnames[SYS_nsyscalls];
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* CONFIG_LIB_SYSCALL */
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#endif /* __INCLUDE_SYS_SYSCALL_H */
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