t_syscall.c revision 1.3.2.2
1 1.3.2.2 pgoyette /* $NetBSD: t_syscall.c,v 1.3.2.2 2018/06/25 07:26:09 pgoyette Exp $ */ 2 1.3.2.2 pgoyette 3 1.3.2.2 pgoyette /*- 4 1.3.2.2 pgoyette * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 1.3.2.2 pgoyette * All rights reserved. 6 1.3.2.2 pgoyette * 7 1.3.2.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 pgoyette * by Martin Husemann. 9 1.3.2.2 pgoyette * 10 1.3.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 pgoyette * modification, are permitted provided that the following conditions 12 1.3.2.2 pgoyette * are met: 13 1.3.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 pgoyette * documentation and/or other materials provided with the distribution. 18 1.3.2.2 pgoyette * 19 1.3.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3.2.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3.2.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3.2.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3.2.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3.2.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3.2.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3.2.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE. 30 1.3.2.2 pgoyette */ 31 1.3.2.2 pgoyette #include <sys/cdefs.h> 32 1.3.2.2 pgoyette __RCSID("$NetBSD: t_syscall.c,v 1.3.2.2 2018/06/25 07:26:09 pgoyette Exp $"); 33 1.3.2.2 pgoyette 34 1.3.2.2 pgoyette 35 1.3.2.2 pgoyette #include <atf-c.h> 36 1.3.2.2 pgoyette #include <stdio.h> 37 1.3.2.2 pgoyette #include <unistd.h> 38 1.3.2.2 pgoyette #include <fcntl.h> 39 1.3.2.2 pgoyette #include <err.h> 40 1.3.2.2 pgoyette #include <string.h> 41 1.3.2.2 pgoyette #include <stdlib.h> 42 1.3.2.2 pgoyette #include <sys/mman.h> 43 1.3.2.2 pgoyette #include <sys/endian.h> 44 1.3.2.2 pgoyette #include <sys/syscall.h> 45 1.3.2.2 pgoyette 46 1.3.2.2 pgoyette #if !defined(_LP64) && BYTE_ORDER == _BIG_ENDIAN 47 1.3.2.2 pgoyette #define __SYSCALL_TO_UINTPTR_T(V) ((uintptr_t)((V)>>32)) 48 1.3.2.2 pgoyette #else 49 1.3.2.2 pgoyette #define __SYSCALL_TO_UINTPTR_T(V) ((uintptr_t)(V)) 50 1.3.2.2 pgoyette #endif 51 1.3.2.2 pgoyette 52 1.3.2.2 pgoyette static const char secrect_data[1024] = { 53 1.3.2.2 pgoyette "my secret key\n" 54 1.3.2.2 pgoyette }; 55 1.3.2.2 pgoyette 56 1.3.2.2 pgoyette #define FILE_NAME "dummy" 57 1.3.2.2 pgoyette 58 1.3.2.2 pgoyette #ifndef _LP64 59 1.3.2.2 pgoyette ATF_TC(mmap_syscall); 60 1.3.2.2 pgoyette 61 1.3.2.2 pgoyette ATF_TC_HEAD(mmap_syscall, tc) 62 1.3.2.2 pgoyette { 63 1.3.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Tests mmap(2) via syscall(2)"); 64 1.3.2.2 pgoyette } 65 1.3.2.2 pgoyette 66 1.3.2.2 pgoyette ATF_TC_BODY(mmap_syscall, tc) 67 1.3.2.2 pgoyette { 68 1.3.2.2 pgoyette int fd; 69 1.3.2.2 pgoyette const char *p; 70 1.3.2.2 pgoyette 71 1.3.2.2 pgoyette fd = open(FILE_NAME, O_RDWR|O_CREAT|O_TRUNC, 0666); 72 1.3.2.2 pgoyette ATF_REQUIRE(fd != -1); 73 1.3.2.2 pgoyette 74 1.3.2.2 pgoyette write(fd, secrect_data, sizeof(secrect_data)); 75 1.3.2.2 pgoyette 76 1.3.2.2 pgoyette p = (const char *)syscall(SYS_mmap, 77 1.3.2.2 pgoyette 0, sizeof(secrect_data), PROT_READ, MAP_PRIVATE, fd, 0, 0, 0); 78 1.3.2.2 pgoyette ATF_REQUIRE(p != NULL); 79 1.3.2.2 pgoyette 80 1.3.2.2 pgoyette ATF_REQUIRE(strcmp(p, secrect_data) == 0); 81 1.3.2.2 pgoyette } 82 1.3.2.2 pgoyette #endif 83 1.3.2.2 pgoyette 84 1.3.2.2 pgoyette ATF_TC(mmap___syscall); 85 1.3.2.2 pgoyette 86 1.3.2.2 pgoyette ATF_TC_HEAD(mmap___syscall, tc) 87 1.3.2.2 pgoyette { 88 1.3.2.2 pgoyette atf_tc_set_md_var(tc, "descr", "Tests mmap(2) via __syscall(2)"); 89 1.3.2.2 pgoyette } 90 1.3.2.2 pgoyette 91 1.3.2.2 pgoyette ATF_TC_BODY(mmap___syscall, tc) 92 1.3.2.2 pgoyette { 93 1.3.2.2 pgoyette int fd; 94 1.3.2.2 pgoyette const char *p; 95 1.3.2.2 pgoyette 96 1.3.2.2 pgoyette fd = open(FILE_NAME, O_RDWR|O_CREAT|O_TRUNC, 0666); 97 1.3.2.2 pgoyette ATF_REQUIRE(fd != -1); 98 1.3.2.2 pgoyette 99 1.3.2.2 pgoyette write(fd, secrect_data, sizeof(secrect_data)); 100 1.3.2.2 pgoyette 101 1.3.2.2 pgoyette p = (const char *)__SYSCALL_TO_UINTPTR_T(__syscall(SYS_mmap, 102 1.3.2.2 pgoyette 0, sizeof(secrect_data), PROT_READ, MAP_PRIVATE, fd, 103 1.3.2.2 pgoyette /* pad*/ 0, (off_t)0)); 104 1.3.2.2 pgoyette ATF_REQUIRE(p != NULL); 105 1.3.2.2 pgoyette 106 1.3.2.2 pgoyette ATF_REQUIRE(strcmp(p, secrect_data) == 0); 107 1.3.2.2 pgoyette } 108 1.3.2.2 pgoyette 109 1.3.2.2 pgoyette ATF_TP_ADD_TCS(tp) 110 1.3.2.2 pgoyette { 111 1.3.2.2 pgoyette 112 1.3.2.2 pgoyette #ifndef _LP64 113 1.3.2.2 pgoyette ATF_TP_ADD_TC(tp, mmap_syscall); 114 1.3.2.2 pgoyette #endif 115 1.3.2.2 pgoyette ATF_TP_ADD_TC(tp, mmap___syscall); 116 1.3.2.2 pgoyette 117 1.3.2.2 pgoyette return atf_no_error(); 118 1.3.2.2 pgoyette } 119
Indexes created Thu Oct 02 01:09:59 GMT 2025