t_ptrace_amd64_wait.h revision 1.2 
1/*	$NetBSD: t_ptrace_amd64_wait.h,v 1.2 2017/12/14 22:06:54 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#if defined(__x86_64__)
30ATF_TC(x86_64_regs1);
31ATF_TC_HEAD(x86_64_regs1, tc)
32{
33	atf_tc_set_md_var(tc, "descr",
34	    "Call PT_GETREGS and iterate over General Purpose registers");
35}
36
37ATF_TC_BODY(x86_64_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("RAX=%#" PRIxREGISTER "\n", r.regs[_REG_RAX]);
70	DPRINTF("RBX=%#" PRIxREGISTER "\n", r.regs[_REG_RBX]);
71	DPRINTF("RCX=%#" PRIxREGISTER "\n", r.regs[_REG_RCX]);
72	DPRINTF("RDX=%#" PRIxREGISTER "\n", r.regs[_REG_RDX]);
73
74	DPRINTF("RDI=%#" PRIxREGISTER "\n", r.regs[_REG_RDI]);
75	DPRINTF("RSI=%#" PRIxREGISTER "\n", r.regs[_REG_RSI]);
76
77	DPRINTF("GS=%#" PRIxREGISTER "\n", r.regs[_REG_GS]);
78	DPRINTF("FS=%#" PRIxREGISTER "\n", r.regs[_REG_FS]);
79	DPRINTF("ES=%#" PRIxREGISTER "\n", r.regs[_REG_ES]);
80	DPRINTF("DS=%#" PRIxREGISTER "\n", r.regs[_REG_DS]);
81	DPRINTF("CS=%#" PRIxREGISTER "\n", r.regs[_REG_CS]);
82	DPRINTF("SS=%#" PRIxREGISTER "\n", r.regs[_REG_SS]);
83
84	DPRINTF("RSP=%#" PRIxREGISTER "\n", r.regs[_REG_RSP]);
85	DPRINTF("RIP=%#" PRIxREGISTER "\n", r.regs[_REG_RIP]);
86
87	DPRINTF("RFLAGS=%#" PRIxREGISTER "\n", r.regs[_REG_RFLAGS]);
88
89	DPRINTF("R8=%#" PRIxREGISTER "\n", r.regs[_REG_R8]);
90	DPRINTF("R9=%#" PRIxREGISTER "\n", r.regs[_REG_R9]);
91	DPRINTF("R10=%#" PRIxREGISTER "\n", r.regs[_REG_R10]);
92	DPRINTF("R11=%#" PRIxREGISTER "\n", r.regs[_REG_R11]);
93	DPRINTF("R12=%#" PRIxREGISTER "\n", r.regs[_REG_R12]);
94	DPRINTF("R13=%#" PRIxREGISTER "\n", r.regs[_REG_R13]);
95	DPRINTF("R14=%#" PRIxREGISTER "\n", r.regs[_REG_R14]);
96	DPRINTF("R15=%#" PRIxREGISTER "\n", r.regs[_REG_R15]);
97
98	DPRINTF("Before resuming the child process where it left off and "
99	    "without signal to be sent\n");
100	SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
101
102	DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
103	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
104
105	validate_status_exited(status, exitval);
106
107	DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
108	TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
109}
110#define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64() \
111	ATF_TP_ADD_TC_HAVE_GPREGS(tp, x86_64_regs1);
112#else
113#define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64()
114#endif
115