1 /* $NetBSD: t_ptrace_i386_wait.h,v 1.10 2020/01/08 17:23:15 mgorny Exp $ */
2
3 /*-
4 * Copyright (c) 2016, 2017, 2018, 2019 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 #if defined(__i386__)
30 ATF_TC(i386_regs1);
ATF_TC_HEAD(i386_regs1,tc)31 ATF_TC_HEAD(i386_regs1, tc)
32 {
33 atf_tc_set_md_var(tc, "descr",
34 "Call PT_GETREGS and iterate over General Purpose registers");
35 }
36
ATF_TC_BODY(i386_regs1,tc)37 ATF_TC_BODY(i386_regs1, tc)
38 {
39 const int exitval = 5;
40 const int sigval = SIGSTOP;
41 pid_t child, wpid;
42 #if defined(TWAIT_HAVE_STATUS)
43 int status;
44 #endif
45 struct reg r;
46
47 DPRINTF("Before forking process PID=%d\n", getpid());
48 SYSCALL_REQUIRE((child = fork()) != -1);
49 if (child == 0) {
50 DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
51 FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
52
53 DPRINTF("Before raising %s from child\n", strsignal(sigval));
54 FORKEE_ASSERT(raise(sigval) == 0);
55
56 DPRINTF("Before exiting of the child process\n");
57 _exit(exitval);
58 }
59 DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
60
61 DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
62 TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
63
64 validate_status_stopped(status, sigval);
65
66 DPRINTF("Call GETREGS for the child process\n");
67 SYSCALL_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
68
69 DPRINTF("EAX=%#" PRIxREGISTER "\n", r.r_eax);
70 DPRINTF("EBX=%#" PRIxREGISTER "\n", r.r_ebx);
71 DPRINTF("ECX=%#" PRIxREGISTER "\n", r.r_ecx);
72 DPRINTF("EDX=%#" PRIxREGISTER "\n", r.r_edx);
73
74 DPRINTF("ESP=%#" PRIxREGISTER "\n", r.r_esp);
75 DPRINTF("EBP=%#" PRIxREGISTER "\n", r.r_ebp);
76
77 DPRINTF("ESI=%#" PRIxREGISTER "\n", r.r_esi);
78 DPRINTF("EDI=%#" PRIxREGISTER "\n", r.r_edi);
79
80 DPRINTF("EIP=%#" PRIxREGISTER "\n", r.r_eip);
81
82 DPRINTF("EFLAGS=%#" PRIxREGISTER "\n", r.r_eflags);
83
84 DPRINTF("CS=%#" PRIxREGISTER "\n", r.r_cs);
85 DPRINTF("SS=%#" PRIxREGISTER "\n", r.r_ss);
86 DPRINTF("DS=%#" PRIxREGISTER "\n", r.r_ds);
87 DPRINTF("ES=%#" PRIxREGISTER "\n", r.r_es);
88 DPRINTF("FS=%#" PRIxREGISTER "\n", r.r_fs);
89 DPRINTF("GS=%#" PRIxREGISTER "\n", r.r_gs);
90
91 DPRINTF("Before resuming the child process where it left off and "
92 "without signal to be sent\n");
93 SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
94
95 DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
96 TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
97
98 validate_status_exited(status, exitval);
99
100 DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
101 TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
102 }
103
104 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386() \
105 ATF_TP_ADD_TC_HAVE_GPREGS(tp, i386_regs1);
106 #else
107 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386()
108 #endif
109