blob: 9298f2898126a2565170d89bafda06efe89d650f [file] [log] [blame]
/*
* Check decoding of remap_file_pages syscall.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "tests.h"
#include <asm/unistd.h>
#ifdef __NR_remap_file_pages
# include <stdio.h>
# include <sys/mman.h>
# include <unistd.h>
int
main(void)
{
const unsigned long addr = (unsigned long) 0xfacefeeddeadbeef;
const unsigned long size = (unsigned long) 0xdefaced1bad2f00d;
const unsigned long prot = PROT_READ|PROT_WRITE|PROT_EXEC;
const unsigned long pgoff = (unsigned long) 0xcaf3babebad4deed;
const unsigned long flags = MAP_PRIVATE|MAP_ANONYMOUS;
long rc = syscall(__NR_remap_file_pages, addr, size, prot, pgoff, flags);
printf("remap_file_pages(%#lx, %lu, %s, %lu, %s) = %ld %s (%m)\n",
addr, size, "PROT_READ|PROT_WRITE|PROT_EXEC", pgoff,
"MAP_PRIVATE|MAP_ANONYMOUS", rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_remap_file_pages")
#endif