diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/arch/i386/t_ptrace_wait.c')
-rw-r--r-- | contrib/netbsd-tests/kernel/arch/i386/t_ptrace_wait.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/kernel/arch/i386/t_ptrace_wait.c b/contrib/netbsd-tests/kernel/arch/i386/t_ptrace_wait.c new file mode 100644 index 000000000000..698573bb0985 --- /dev/null +++ b/contrib/netbsd-tests/kernel/arch/i386/t_ptrace_wait.c @@ -0,0 +1,141 @@ +/* $NetBSD: t_ptrace_wait.c,v 1.2 2017/01/13 21:30:41 christos Exp $ */ + +/*- + * Copyright (c) 2016 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_ptrace_wait.c,v 1.2 2017/01/13 21:30:41 christos Exp $"); + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/ptrace.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <sys/sysctl.h> +#include <sys/wait.h> +#include <machine/reg.h> +#include <err.h> +#include <errno.h> +#include <sched.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <unistd.h> + +#include <atf-c.h> + +#include "h_macros.h" + +#include "../../t_ptrace_wait.h" + + +#if defined(HAVE_GPREGS) +ATF_TC(regs1); +ATF_TC_HEAD(regs1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Call PT_GETREGS and iterate over General Purpose registers"); +} + +ATF_TC_BODY(regs1, tc) +{ + const int exitval = 5; + const int sigval = SIGSTOP; + pid_t child, wpid; +#if defined(TWAIT_HAVE_STATUS) + int status; +#endif + struct reg r; + + printf("Before forking process PID=%d\n", getpid()); + ATF_REQUIRE((child = fork()) != -1); + if (child == 0) { + printf("Before calling PT_TRACE_ME from child %d\n", getpid()); + FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1); + + printf("Before raising %s from child\n", strsignal(sigval)); + FORKEE_ASSERT(raise(sigval) == 0); + + printf("Before exiting of the child process\n"); + _exit(exitval); + } + printf("Parent process PID=%d, child's PID=%d\n", getpid(), child); + + printf("Before calling %s() for the child\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_stopped(status, sigval); + + printf("Call GETREGS for the child process\n"); + ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1); + + printf("EAX=%#" PRIxREGISTER "\n", r.r_eax); + printf("EBX=%#" PRIxREGISTER "\n", r.r_ebx); + printf("ECX=%#" PRIxREGISTER "\n", r.r_ecx); + printf("EDX=%#" PRIxREGISTER "\n", r.r_edx); + + printf("ESP=%#" PRIxREGISTER "\n", r.r_esp); + printf("EBP=%#" PRIxREGISTER "\n", r.r_ebp); + + printf("ESI=%#" PRIxREGISTER "\n", r.r_esi); + printf("EDI=%#" PRIxREGISTER "\n", r.r_edi); + + printf("EIP=%#" PRIxREGISTER "\n", r.r_eip); + + printf("EFLAGS=%#" PRIxREGISTER "\n", r.r_eflags); + + printf("CS=%#" PRIxREGISTER "\n", r.r_cs); + printf("SS=%#" PRIxREGISTER "\n", r.r_ss); + printf("DS=%#" PRIxREGISTER "\n", r.r_ds); + printf("ES=%#" PRIxREGISTER "\n", r.r_es); + printf("FS=%#" PRIxREGISTER "\n", r.r_fs); + printf("GS=%#" PRIxREGISTER "\n", r.r_gs); + + printf("Before resuming the child process where it left off and " + "without signal to be sent\n"); + ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1); + + printf("Before calling %s() for the child\n", TWAIT_FNAME); + TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child); + + validate_status_exited(status, exitval); + + printf("Before calling %s() for the child\n", TWAIT_FNAME); + TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0)); +} +#endif + +ATF_TP_ADD_TCS(tp) +{ + setvbuf(stdout, NULL, _IONBF, 0); + setvbuf(stderr, NULL, _IONBF, 0); + + ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs1); + + return atf_no_error(); +} |