app_broker/syscalls_stub.c

/*
 * Copyright (c) 2023, Arm Limited. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */

/*
 * NOTE: When GNU Arm compiler version greater equal than *11.3.Rel1*, there is a linker issue that
 * some system calls are not implemented, such as _close, _fstat and _getpid etc. So add this file
 * including stub functions of system calls to avoid the above linker issue.
 */

#include <stddef.h>
#include <stdint.h>

__attribute__((weak))
void _close(void)
{
}

__attribute__((weak))
void _fstat(void)
{
}

__attribute__((weak))
void _getpid(void)
{
}

__attribute__((weak))
void _isatty(void)
{
}

__attribute__((weak))
void _kill(void)
{
}

__attribute__((weak))
void _lseek(void)
{
}

__attribute__((weak))
void _read(void)
{
}

__attribute__((weak))
void _write(void)
{
}