1 /* $NetBSD: t_ptrace_wait.c,v 1.192 2024/04/01 18:33:23 riastradh 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 /* 30 * XXX Hack: Force the use of sys/exec_elf.h, not elfdefinitions.h. 31 * Why? 32 * 33 * - libelf.h and gelf.h are needed for parsing core files in 34 * t_ptrace_core_wait.h. 35 * 36 * - sys/exec_elf.h is needed for struct netbsd_elfcore_procinfo also 37 * in t_ptrace_core_wait.h. 38 * 39 * libelf.h and gelf.h pull in elfdefinitions.h, but that conflicts 40 * with sys/exec_elf.h on most basic ELF definitions. 41 */ 42 #define _SYS_ELFDEFINITIONS_H_ 43 44 #include <sys/cdefs.h> 45 __RCSID("$NetBSD: t_ptrace_wait.c,v 1.192 2024/04/01 18:33:23 riastradh Exp $"); 46 47 #define __LEGACY_PT_LWPINFO 48 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/exec_elf.h> 52 #include <sys/mman.h> 53 #include <sys/ptrace.h> 54 #include <sys/resource.h> 55 #include <sys/stat.h> 56 #include <sys/syscall.h> 57 #include <sys/sysctl.h> 58 #include <sys/uio.h> 59 #include <sys/wait.h> 60 #include <machine/reg.h> 61 #include <assert.h> 62 #include <elf.h> 63 #include <err.h> 64 #include <errno.h> 65 #include <fcntl.h> 66 #include <lwp.h> 67 #include <pthread.h> 68 #include <sched.h> 69 #include <signal.h> 70 #include <spawn.h> 71 #include <stdint.h> 72 #include <stdio.h> 73 #include <stdlib.h> 74 #include <strings.h> 75 #include <time.h> 76 #include <unistd.h> 77 78 #if defined(__i386__) || defined(__x86_64__) 79 #include <cpuid.h> 80 #include <x86/cpu_extended_state.h> 81 #include <x86/specialreg.h> 82 #endif 83 84 #include <libelf.h> 85 #include <gelf.h> 86 87 #include <atf-c.h> 88 89 #ifdef ENABLE_TESTS 90 91 /* Assumptions in the kernel code that must be kept. */ 92 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_report_event) == 93 sizeof(((siginfo_t *)0)->si_pe_report_event)); 94 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_other_pid) == 95 sizeof(((siginfo_t *)0)->si_pe_other_pid)); 96 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_lwp) == 97 sizeof(((siginfo_t *)0)->si_pe_lwp)); 98 __CTASSERT(sizeof(((struct ptrace_state *)0)->pe_other_pid) == 99 sizeof(((struct ptrace_state *)0)->pe_lwp)); 100 101 #include "h_macros.h" 102 103 #include "t_ptrace_wait.h" 104 #include "msg.h" 105 106 #define SYSCALL_REQUIRE(expr) ATF_REQUIRE_MSG(expr, "%s: %s", # expr, \ 107 strerror(errno)) 108 #define SYSCALL_REQUIRE_ERRNO(res, exp) ATF_REQUIRE_MSG(res == exp, \ 109 "%d(%s) != %d", res, strerror(res), exp) 110 111 static int debug = 0; 112 113 #define DPRINTF(a, ...) do \ 114 if (debug) \ 115 printf("%s() %d.%d %s:%d " a, \ 116 __func__, getpid(), _lwp_self(), __FILE__, __LINE__, ##__VA_ARGS__); \ 117 while (/*CONSTCOND*/0) 118 119 /// ---------------------------------------------------------------------------- 120 121 #include "t_ptrace_register_wait.h" 122 #include "t_ptrace_syscall_wait.h" 123 #include "t_ptrace_step_wait.h" 124 #include "t_ptrace_kill_wait.h" 125 #include "t_ptrace_bytetransfer_wait.h" 126 #include "t_ptrace_clone_wait.h" 127 #include "t_ptrace_fork_wait.h" 128 #include "t_ptrace_signal_wait.h" 129 #include "t_ptrace_eventmask_wait.h" 130 #include "t_ptrace_lwp_wait.h" 131 #include "t_ptrace_exec_wait.h" 132 #include "t_ptrace_topology_wait.h" 133 #include "t_ptrace_threads_wait.h" 134 #include "t_ptrace_siginfo_wait.h" 135 #include "t_ptrace_core_wait.h" 136 #include "t_ptrace_misc_wait.h" 137 138 /// ---------------------------------------------------------------------------- 139 140 #include "t_ptrace_amd64_wait.h" 141 #include "t_ptrace_i386_wait.h" 142 #include "t_ptrace_x86_wait.h" 143 144 /// ---------------------------------------------------------------------------- 145 146 #else 147 ATF_TC(dummy); 148 ATF_TC_HEAD(dummy, tc) 149 { 150 atf_tc_set_md_var(tc, "descr", "A dummy test"); 151 } 152 153 ATF_TC_BODY(dummy, tc) 154 { 155 156 // Dummy, skipped 157 // The ATF framework requires at least a single defined test. 158 } 159 #endif 160 161 ATF_TP_ADD_TCS(tp) 162 { 163 setvbuf(stdout, NULL, _IONBF, 0); 164 setvbuf(stderr, NULL, _IONBF, 0); 165 166 #ifdef ENABLE_TESTS 167 ATF_TP_ADD_TCS_PTRACE_WAIT_REGISTER(); 168 ATF_TP_ADD_TCS_PTRACE_WAIT_SYSCALL(); 169 ATF_TP_ADD_TCS_PTRACE_WAIT_STEP(); 170 ATF_TP_ADD_TCS_PTRACE_WAIT_KILL(); 171 ATF_TP_ADD_TCS_PTRACE_WAIT_BYTETRANSFER(); 172 ATF_TP_ADD_TCS_PTRACE_WAIT_CLONE(); 173 ATF_TP_ADD_TCS_PTRACE_WAIT_FORK(); 174 ATF_TP_ADD_TCS_PTRACE_WAIT_SIGNAL(); 175 ATF_TP_ADD_TCS_PTRACE_WAIT_EVENTMASK(); 176 ATF_TP_ADD_TCS_PTRACE_WAIT_LWP(); 177 ATF_TP_ADD_TCS_PTRACE_WAIT_EXEC(); 178 ATF_TP_ADD_TCS_PTRACE_WAIT_TOPOLOGY(); 179 ATF_TP_ADD_TCS_PTRACE_WAIT_THREADS(); 180 ATF_TP_ADD_TCS_PTRACE_WAIT_SIGINFO(); 181 ATF_TP_ADD_TCS_PTRACE_WAIT_CORE(); 182 ATF_TP_ADD_TCS_PTRACE_WAIT_MISC(); 183 184 ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64(); 185 ATF_TP_ADD_TCS_PTRACE_WAIT_I386(); 186 ATF_TP_ADD_TCS_PTRACE_WAIT_X86(); 187 188 #else 189 ATF_TP_ADD_TC(tp, dummy); 190 #endif 191 192 return atf_no_error(); 193 } 194