/* $NetBSD: t_ptrace_wait.c,v 1.11 2017/01/18 05:14:34 kamil 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 1.11 2017/01/18 05:14:34 kamil 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 <x86/dbregs.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("RAX=%#" PRIxREGISTER "\n", r.regs[_REG_RAX]);
printf("RBX=%#" PRIxREGISTER "\n", r.regs[_REG_RBX]);
printf("RCX=%#" PRIxREGISTER "\n", r.regs[_REG_RCX]);
printf("RDX=%#" PRIxREGISTER "\n", r.regs[_REG_RDX]);
printf("RDI=%#" PRIxREGISTER "\n", r.regs[_REG_RDI]);
printf("RSI=%#" PRIxREGISTER "\n", r.regs[_REG_RSI]);
printf("GS=%#" PRIxREGISTER "\n", r.regs[_REG_GS]);
printf("FS=%#" PRIxREGISTER "\n", r.regs[_REG_FS]);
printf("ES=%#" PRIxREGISTER "\n", r.regs[_REG_ES]);
printf("DS=%#" PRIxREGISTER "\n", r.regs[_REG_DS]);
printf("CS=%#" PRIxREGISTER "\n", r.regs[_REG_CS]);
printf("SS=%#" PRIxREGISTER "\n", r.regs[_REG_SS]);
printf("RSP=%#" PRIxREGISTER "\n", r.regs[_REG_RSP]);
printf("RIP=%#" PRIxREGISTER "\n", r.regs[_REG_RIP]);
printf("RFLAGS=%#" PRIxREGISTER "\n", r.regs[_REG_RFLAGS]);
printf("R8=%#" PRIxREGISTER "\n", r.regs[_REG_R8]);
printf("R9=%#" PRIxREGISTER "\n", r.regs[_REG_R9]);
printf("R10=%#" PRIxREGISTER "\n", r.regs[_REG_R10]);
printf("R11=%#" PRIxREGISTER "\n", r.regs[_REG_R11]);
printf("R12=%#" PRIxREGISTER "\n", r.regs[_REG_R12]);
printf("R13=%#" PRIxREGISTER "\n", r.regs[_REG_R13]);
printf("R14=%#" PRIxREGISTER "\n", r.regs[_REG_R14]);
printf("R15=%#" PRIxREGISTER "\n", r.regs[_REG_R15]);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_count);
ATF_TC_HEAD(watchpoint_count, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and assert four available watchpoints");
}
ATF_TC_BODY(watchpoint_count, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
int N;
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((N = ptrace(PT_COUNT_WATCHPOINTS, child, NULL, 0)) != -1);
printf("Reported %d watchpoints\n", N);
ATF_REQUIRE_EQ_MSG(N, 4, "Expected 4 hw watchpoints - got %d", N);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_read);
ATF_TC_HEAD(watchpoint_read, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and assert four available watchpoints");
}
ATF_TC_BODY(watchpoint_read, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
int i, N;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
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((N = ptrace(PT_COUNT_WATCHPOINTS, child, NULL, 0)) != -1);
ATF_REQUIRE_EQ_MSG(N, 4, "Expected 4 hw watchpoints - got %d", N);
for (i = 0; i < N; i++) {
printf("Before reading watchpoint %d\n", i);
pw.pw_index = i;
ATF_REQUIRE(ptrace(PT_READ_WATCHPOINT, child, &pw, len) != -1);
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
}
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_write_unmodified);
ATF_TC_HEAD(watchpoint_write_unmodified, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and assert functional write of "
"unmodified data");
}
ATF_TC_BODY(watchpoint_write_unmodified, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
int i, N;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
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((N = ptrace(PT_COUNT_WATCHPOINTS, child, NULL, 0)) != -1);
ATF_REQUIRE_EQ_MSG(N, 4, "Expected 4 hw watchpoints - got %d", N);
for (i = 0; i < N; i++) {
printf("Before reading watchpoint %d\n", i);
pw.pw_index = i;
ATF_REQUIRE(ptrace(PT_READ_WATCHPOINT, child, &pw, len) != -1);
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d (unmodified)\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len)
!= -1);
}
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_code0);
ATF_TC_HEAD(watchpoint_trap_code0, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test code trap with watchpoint 0");
}
ATF_TC_BODY(watchpoint_trap_code0, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 0;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("check_happy(%d)=%d\n", watchme, check_happy(watchme));
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_lwpid = 0;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = (void *)check_happy;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_EXECUTION;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 0);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
pw.pw_md.md_address = NULL;
printf("Before writing watchpoint %d (disable it)\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_code1);
ATF_TC_HEAD(watchpoint_trap_code1, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test code trap with watchpoint 1");
}
ATF_TC_BODY(watchpoint_trap_code1, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 1;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("check_happy(%d)=%d\n", watchme, check_happy(watchme));
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_lwpid = 0;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = (void *)check_happy;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_EXECUTION;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%d\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 1);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
pw.pw_md.md_address = NULL;
printf("Before writing watchpoint %d (disable it)\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_code2);
ATF_TC_HEAD(watchpoint_trap_code2, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test code trap with watchpoint 2");
}
ATF_TC_BODY(watchpoint_trap_code2, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 2;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("check_happy(%d)=%d\n", watchme, check_happy(watchme));
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_lwpid = 0;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = (void *)check_happy;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_EXECUTION;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 2);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
pw.pw_md.md_address = NULL;
printf("Before writing watchpoint %d (disable it)\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_code3);
ATF_TC_HEAD(watchpoint_trap_code3, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test code trap with watchpoint 3");
}
ATF_TC_BODY(watchpoint_trap_code3, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 3;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("check_happy(%d)=%d\n", watchme, check_happy(watchme));
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_lwpid = 0;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = (void *)check_happy;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_EXECUTION;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 3);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
pw.pw_md.md_address = NULL;
printf("Before writing watchpoint %d (disable it)\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_write0);
ATF_TC_HEAD(watchpoint_trap_data_write0, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 0");
}
ATF_TC_BODY(watchpoint_trap_data_write0, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 0;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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);
++watchme;
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = 0;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_WRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 0);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_write1);
ATF_TC_HEAD(watchpoint_trap_data_write1, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 1");
}
ATF_TC_BODY(watchpoint_trap_data_write1, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 1;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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);
++watchme;
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_WRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 1);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_write2);
ATF_TC_HEAD(watchpoint_trap_data_write2, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 2");
}
ATF_TC_BODY(watchpoint_trap_data_write2, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 2;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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);
++watchme;
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_WRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 2);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_write3);
ATF_TC_HEAD(watchpoint_trap_data_write3, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 3");
}
ATF_TC_BODY(watchpoint_trap_data_write3, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 3;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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);
++watchme;
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_WRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 3);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_rw0);
ATF_TC_HEAD(watchpoint_trap_data_rw0, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 0");
}
ATF_TC_BODY(watchpoint_trap_data_rw0, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 0;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("watchme=%d\n", watchme);
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_READWRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 0);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_rw1);
ATF_TC_HEAD(watchpoint_trap_data_rw1, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 1");
}
ATF_TC_BODY(watchpoint_trap_data_rw1, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 1;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("watchme=%d\n", watchme);
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_READWRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 1);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_rw2);
ATF_TC_HEAD(watchpoint_trap_data_rw2, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 2");
}
ATF_TC_BODY(watchpoint_trap_data_rw2, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 2;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("watchme=%d\n", watchme);
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_READWRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 2);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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
#if defined(__HAVE_PTRACE_WATCHPOINTS)
ATF_TC(watchpoint_trap_data_rw3);
ATF_TC_HEAD(watchpoint_trap_data_rw3, tc)
{
atf_tc_set_md_var(tc, "descr",
"Call PT_COUNT_WATCHPOINTS and test write trap with watchpoint 3");
}
ATF_TC_BODY(watchpoint_trap_data_rw3, tc)
{
const int exitval = 5;
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
const int i = 3;
struct ptrace_watchpoint pw;
int len = sizeof(pw);
int watchme = 1234;
struct ptrace_siginfo info;
memset(&info, 0, sizeof(info));
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("watchme=%d\n", watchme);
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("Preparing code watchpoint trap %d\n", i);
pw.pw_index = i;
pw.pw_type = PTRACE_PW_TYPE_DBREGS;
pw.pw_md.md_address = &watchme;
pw.pw_md.md_condition = X86_HW_WATCHPOINT_DR7_CONDITION_DATA_READWRITE;
pw.pw_md.md_length = X86_HW_WATCHPOINT_DR7_LENGTH_BYTE;
printf("struct ptrace {\n");
printf("\t.pw_index=%d\n", pw.pw_index);
printf("\t.pw_lwpid=%d\n", pw.pw_lwpid);
printf("\t.pw_type=%#x\n", pw.pw_type);
printf("\t.pw_md.md_address=%p\n", pw.pw_md.md_address);
printf("\t.pw_md.md_condition=%#x\n", pw.pw_md.md_condition);
printf("\t.pw_md.md_length=%#x\n", pw.pw_md.md_length);
printf("}\n");
printf("Before writing watchpoint %d\n", i);
ATF_REQUIRE(ptrace(PT_WRITE_WATCHPOINT, child, &pw, len) != -1);
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_stopped(status, SIGTRAP);
printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
printf("Signal traced to lwpid=%d\n", info.psi_lwpid);
printf("Signal properties: si_signo=%#x si_code=%#x si_errno=%#x\n",
info.psi_siginfo.si_signo, info.psi_siginfo.si_code,
info.psi_siginfo.si_errno);
printf("Before checking siginfo_t\n");
ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_HWWPT);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap2, 3);
ATF_REQUIRE_EQ(info.psi_siginfo.si_trap3, X86_HW_WATCHPOINT_EVENT_FIRED);
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);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_count);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_read);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_write_unmodified);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_code0);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_code1);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_code2);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_code3);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_write0);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_write1);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_write2);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_write3);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_rw0);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_rw1);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_rw2);
ATF_TP_ADD_TC_HAVE_PTRACE_WATCHPOINTS(tp, watchpoint_trap_data_rw3);
return atf_no_error();
}