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/*
* Check decoding of process_mrelease syscall.
*
* Copyright (c) 2021 Eugene Syromyatnikov <evgsyr@gmail.com>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <inttypes.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#ifndef SKIP_IF_PROC_IS_UNAVAILABLE
# define SKIP_IF_PROC_IS_UNAVAILABLE
#endif
#ifndef FD0_STR
# define FD0_STR ""
#endif
static const char *errstr;
static long
sys_process_mrelease(int pidfd, unsigned int flags)
{
static const kernel_ulong_t fill =
(kernel_ulong_t) 0xbadc0ded00000000ULL;
kernel_ulong_t arg1 = fill | (unsigned int) pidfd;
kernel_ulong_t arg2 = fill | flags;
kernel_ulong_t arg3 = fill | 0xdeedefed;
kernel_ulong_t arg4 = fill | 0xdebeefed;
kernel_ulong_t arg5 = fill | 0xdecaffed;
kernel_ulong_t arg6 = fill | 0xdeefaced;
long rc = syscall(__NR_process_mrelease,
arg1, arg2, arg3, arg4, arg5, arg6);
errstr = sprintrc(rc);
return rc;
}
int
main(void)
{
SKIP_IF_PROC_IS_UNAVAILABLE;
sys_process_mrelease(-1, 0);
printf("process_mrelease(-1, 0) = %s\n", errstr);
sys_process_mrelease(0, 0xfacefeed);
printf("process_mrelease(0" FD0_STR ", 0xfacefeed) = %s\n", errstr);
puts("+++ exited with 0 +++");
return 0;
}
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