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pprz_syscalls.c
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/
pprz_syscalls.c
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/*
* Copyright (C) 2017 Gautier Hattenberger <gautier.hattenberger@enac.fr>
*
* This file is part of paparazzi.
*
* paparazzi is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* paparazzi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with paparazzi; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*/
/**
* Fake system calls
*
* based on:
* ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
* Licensed under the Apache License, Version 2.0 (the "License");
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2009 by Michael Fischer. All rights reserved.
*
* 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 of the author 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.
*
****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
/***************************************************************************/
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
#ifndef USE_CHIBIOS_RTOS // already defined by chibios syscalls
__attribute__((used))
int _read_r(struct _reent *r, int file, char * ptr, int len)
{
(void)r;
(void)file;
(void)ptr;
(void)len;
return -1;
}
/***************************************************************************/
__attribute__((used))
int _lseek_r(struct _reent *r, int file, int ptr, int dir)
{
(void)r;
(void)file;
(void)ptr;
(void)dir;
return 0;
}
/***************************************************************************/
__attribute__((used))
int _write_r(struct _reent *r, int file, char * ptr, int len)
{
(void)r;
(void)file;
(void)ptr;
return len;
}
/***************************************************************************/
__attribute__((used))
int _close_r(struct _reent *r, int file)
{
(void)r;
(void)file;
return 0;
}
/***************************************************************************/
__attribute__((used))
caddr_t _sbrk_r(struct _reent *r, int incr)
{
(void)r;
(void)incr;
return (caddr_t)-1;
}
/***************************************************************************/
__attribute__((used))
int _fstat_r(struct _reent *r, int file, struct stat * st)
{
(void)r;
(void)file;
(void)st;
return 0;
}
/***************************************************************************/
__attribute__((used))
int _isatty_r(struct _reent *r, int fd)
{
(void)r;
(void)fd;
return 1;
}
#endif // USE_CHIBIOS_RTOS
/***************************************************************************/
__attribute__((used))
void _fini(void) {
return;
}
/***************************************************************************/
__attribute__((used))
pid_t _getpid(void)
{
return 1;
}
/***************************************************************************/
__attribute__((noreturn))
void _exit(int i) {
(void)i;
while(1);
}
/***************************************************************************/
void _kill(void) {}
/***************************************************************************/
void *__dso_handle;
void __cxa_pure_virtual(void);
void __cxa_pure_virtual() { while (1); } //TODO: Handle properly, maybe generate a traceback
#pragma GCC diagnostic pop
/*** EOF ***/