1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Check decoding of pipe2 syscall. 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org> 5d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <asm/unistd.h> 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#ifdef __NR_pipe2 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <fcntl.h> 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <stdio.h> 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <unistd.h> 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(void) 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes int *const fds = tail_alloc(sizeof(*fds) * 2); 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes int *const efault = fds + 1; 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes long rc; 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 4639bac055674d23770b9a724221b728e443196ea7Elliott Hughes rc = syscall(__NR_pipe2, fds, F8ILL_KULONG_MASK | O_NONBLOCK); 47d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (rc) 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_skip("pipe2"); 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]); 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 5139bac055674d23770b9a724221b728e443196ea7Elliott Hughes rc = syscall(__NR_pipe2, efault, F8ILL_KULONG_MASK); 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc)); 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (F8ILL_KULONG_SUPPORTED) { 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds); 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes rc = syscall(__NR_pipe2, ill, 0); 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("pipe2(%#llx, 0) = %s\n", 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes (unsigned long long) ill, sprintrc(rc)); 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes puts("+++ exited with 0 +++"); 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 65d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#else 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 67d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott HughesSKIP_MAIN_UNDEFINED("__NR_pipe2") 68d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 69d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#endif 70