t_ptrace_wait.c revision 1.192
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 111static 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 147ATF_TC(dummy); 148ATF_TC_HEAD(dummy, tc) 149{ 150 atf_tc_set_md_var(tc, "descr", "A dummy test"); 151} 152 153ATF_TC_BODY(dummy, tc) 154{ 155 156 // Dummy, skipped 157 // The ATF framework requires at least a single defined test. 158} 159#endif 160 161ATF_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