1/*	$NetBSD: t_ptrace_wait.c,v 1.2 2017/01/13 21:30:41 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2016 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 1.2 2017/01/13 21:30:41 christos Exp $");
31
32#include <sys/param.h>
33#include <sys/types.h>
34#include <sys/ptrace.h>
35#include <sys/resource.h>
36#include <sys/stat.h>
37#include <sys/sysctl.h>
38#include <sys/wait.h>
39#include <machine/reg.h>
40#include <err.h>
41#include <errno.h>
42#include <sched.h>
43#include <signal.h>
44#include <stdint.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <strings.h>
48#include <unistd.h>
49
50#include <atf-c.h>
51
52#include "h_macros.h"
53
54#include "../../t_ptrace_wait.h"
55
56
57#if defined(HAVE_GPREGS)
58ATF_TC(regs1);
59ATF_TC_HEAD(regs1, tc)
60{
61	atf_tc_set_md_var(tc, "descr",
62	    "Call PT_GETREGS and iterate over General Purpose registers");
63}
64
65ATF_TC_BODY(regs1, tc)
66{
67	const int exitval = 5;
68	const int sigval = SIGSTOP;
69	pid_t child, wpid;
70#if defined(TWAIT_HAVE_STATUS)
71	int status;
72#endif
73	struct reg r;
74
75	printf("Before forking process PID=%d\n", getpid());
76	ATF_REQUIRE((child = fork()) != -1);
77	if (child == 0) {
78		printf("Before calling PT_TRACE_ME from child %d\n", getpid());
79		FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
80
81		printf("Before raising %s from child\n", strsignal(sigval));
82		FORKEE_ASSERT(raise(sigval) == 0);
83
84		printf("Before exiting of the child process\n");
85		_exit(exitval);
86	}
87	printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
88
89	printf("Before calling %s() for the child\n", TWAIT_FNAME);
90	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
91
92	validate_status_stopped(status, sigval);
93
94	printf("Call GETREGS for the child process\n");
95	ATF_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
96
97	printf("EAX=%#" PRIxREGISTER "\n", r.r_eax);
98	printf("EBX=%#" PRIxREGISTER "\n", r.r_ebx);
99	printf("ECX=%#" PRIxREGISTER "\n", r.r_ecx);
100	printf("EDX=%#" PRIxREGISTER "\n", r.r_edx);
101
102	printf("ESP=%#" PRIxREGISTER "\n", r.r_esp);
103	printf("EBP=%#" PRIxREGISTER "\n", r.r_ebp);
104
105	printf("ESI=%#" PRIxREGISTER "\n", r.r_esi);
106	printf("EDI=%#" PRIxREGISTER "\n", r.r_edi);
107
108	printf("EIP=%#" PRIxREGISTER "\n", r.r_eip);
109
110	printf("EFLAGS=%#" PRIxREGISTER "\n", r.r_eflags);
111
112	printf("CS=%#" PRIxREGISTER "\n", r.r_cs);
113	printf("SS=%#" PRIxREGISTER "\n", r.r_ss);
114	printf("DS=%#" PRIxREGISTER "\n", r.r_ds);
115	printf("ES=%#" PRIxREGISTER "\n", r.r_es);
116	printf("FS=%#" PRIxREGISTER "\n", r.r_fs);
117	printf("GS=%#" PRIxREGISTER "\n", r.r_gs);
118
119	printf("Before resuming the child process where it left off and "
120	    "without signal to be sent\n");
121	ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
122
123	printf("Before calling %s() for the child\n", TWAIT_FNAME);
124	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
125
126	validate_status_exited(status, exitval);
127
128	printf("Before calling %s() for the child\n", TWAIT_FNAME);
129	TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
130}
131#endif
132
133ATF_TP_ADD_TCS(tp)
134{
135	setvbuf(stdout, NULL, _IONBF, 0);
136	setvbuf(stderr, NULL, _IONBF, 0);
137
138	ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs1);
139
140	return atf_no_error();
141}
142