1 /* $NetBSD: t_ptrace_wait.c,v 1.191 2020/05/05 02:06:08 kamil Exp $ */ 2 3 /*- 4 * Copyright (c) 2016, 2017, 2018, 2019, 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __RCSID("$NetBSD: t_ptrace_wait.c,v 1.191 2020/05/05 02:06:08 kamil Exp $"); 31 32 #define __LEGACY_PT_LWPINFO 33 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/exec_elf.h> 37 #include <sys/mman.h> 38 #include <sys/ptrace.h> 39 #include <sys/resource.h> 40 #include <sys/stat.h> 41 #include <sys/syscall.h> 42 #include <sys/sysctl.h> 43 #include <sys/uio.h> 44 #include <sys/wait.h> 45 #include <machine/reg.h> 46 #include <assert.h> 47 #include <elf.h> 48 #include <err.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <lwp.h> 52 #include <pthread.h> 53 #include <sched.h> 54 #include <signal.h> 55 #include <spawn.h> 56 #include <stdint.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <strings.h> 60 #include <time.h> 61 #include <unistd.h> 62 63 #if defined(__i386__) || defined(__x86_64__) 64 #include <cpuid.h> 65 #include <x86/cpu_extended_state.h> 66 #include <x86/specialreg.h> 67 #endif 68 69 #include <libelf.h> 70 #include <gelf.h> 71 72 #include <atf-c.h> 73 74 #ifdef ENABLE_TESTS 75 76 /* Assumptions in the kernel code that must be kept. */ 77 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_report_event) == 78 sizeof(((siginfo_t *)0)->si_pe_report_event)); 79 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_other_pid) == 80 sizeof(((siginfo_t *)0)->si_pe_other_pid)); 81 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_lwp) == 82 sizeof(((siginfo_t *)0)->si_pe_lwp)); 83 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_other_pid) == 84 sizeof(((struct ptrace_state *)0)->pe_lwp)); 85 86 #include "h_macros.h" 87 88 #include "t_ptrace_wait.h" 89 #include "msg.h" 90 91 #define SYSCALL_REQUIRE(expr) ATF_REQUIRE_MSG(expr, "%s: %s", # expr, \ 92 strerror(errno)) 93 #define SYSCALL_REQUIRE_ERRNO(res, exp) ATF_REQUIRE_MSG(res == exp, \ 94 "%d(%s) != %d", res, strerror(res), exp) 95 96 static int debug = 0; 97 98 #define DPRINTF(a, ...) do \ 99 if (debug) \ 100 printf("%s() %d.%d %s:%d " a, \ 101 __func__, getpid(), _lwp_self(), __FILE__, __LINE__, ##__VA_ARGS__); \ 102 while (/*CONSTCOND*/0) 103 104 /// ---------------------------------------------------------------------------- 105 106 #include "t_ptrace_register_wait.h" 107 #include "t_ptrace_syscall_wait.h" 108 #include "t_ptrace_step_wait.h" 109 #include "t_ptrace_kill_wait.h" 110 #include "t_ptrace_bytetransfer_wait.h" 111 #include "t_ptrace_clone_wait.h" 112 #include "t_ptrace_fork_wait.h" 113 #include "t_ptrace_signal_wait.h" 114 #include "t_ptrace_eventmask_wait.h" 115 #include "t_ptrace_lwp_wait.h" 116 #include "t_ptrace_exec_wait.h" 117 #include "t_ptrace_topology_wait.h" 118 #include "t_ptrace_threads_wait.h" 119 #include "t_ptrace_siginfo_wait.h" 120 #include "t_ptrace_core_wait.h" 121 #include "t_ptrace_misc_wait.h" 122 123 /// ---------------------------------------------------------------------------- 124 125 #include "t_ptrace_amd64_wait.h" 126 #include "t_ptrace_i386_wait.h" 127 #include "t_ptrace_x86_wait.h" 128 129 /// ---------------------------------------------------------------------------- 130 131 #else 132 ATF_TC(dummy); 133 ATF_TC_HEAD(dummy, tc) 134 { 135 atf_tc_set_md_var(tc, "descr", "A dummy test"); 136 } 137 138 ATF_TC_BODY(dummy, tc) 139 { 140 141 // Dummy, skipped 142 // The ATF framework requires at least a single defined test. 143 } 144 #endif 145 146 ATF_TP_ADD_TCS(tp) 147 { 148 setvbuf(stdout, NULL, _IONBF, 0); 149 setvbuf(stderr, NULL, _IONBF, 0); 150 151 #ifdef ENABLE_TESTS 152 ATF_TP_ADD_TCS_PTRACE_WAIT_REGISTER(); 153 ATF_TP_ADD_TCS_PTRACE_WAIT_SYSCALL(); 154 ATF_TP_ADD_TCS_PTRACE_WAIT_STEP(); 155 ATF_TP_ADD_TCS_PTRACE_WAIT_KILL(); 156 ATF_TP_ADD_TCS_PTRACE_WAIT_BYTETRANSFER(); 157 ATF_TP_ADD_TCS_PTRACE_WAIT_CLONE(); 158 ATF_TP_ADD_TCS_PTRACE_WAIT_FORK(); 159 ATF_TP_ADD_TCS_PTRACE_WAIT_SIGNAL(); 160 ATF_TP_ADD_TCS_PTRACE_WAIT_EVENTMASK(); 161 ATF_TP_ADD_TCS_PTRACE_WAIT_LWP(); 162 ATF_TP_ADD_TCS_PTRACE_WAIT_EXEC(); 163 ATF_TP_ADD_TCS_PTRACE_WAIT_TOPOLOGY(); 164 ATF_TP_ADD_TCS_PTRACE_WAIT_THREADS(); 165 ATF_TP_ADD_TCS_PTRACE_WAIT_SIGINFO(); 166 ATF_TP_ADD_TCS_PTRACE_WAIT_CORE(); 167 ATF_TP_ADD_TCS_PTRACE_WAIT_MISC(); 168 169 ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64(); 170 ATF_TP_ADD_TCS_PTRACE_WAIT_I386(); 171 ATF_TP_ADD_TCS_PTRACE_WAIT_X86(); 172 173 #else 174 ATF_TP_ADD_TC(tp, dummy); 175 #endif 176 177 return atf_no_error(); 178 } 179