t_ptrace_amd64_wait.h revision 1.12
1/*	$NetBSD: t_ptrace_amd64_wait.h,v 1.12 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(__x86_64__)
30
31/// ----------------------------------------------------------------------------
32
33ATF_TC(x86_64_regs1);
34ATF_TC_HEAD(x86_64_regs1, tc)
35{
36	atf_tc_set_md_var(tc, "descr",
37	    "Call PT_GETREGS and iterate over General Purpose registers");
38}
39
40ATF_TC_BODY(x86_64_regs1, tc)
41{
42	const int exitval = 5;
43	const int sigval = SIGSTOP;
44	pid_t child, wpid;
45#if defined(TWAIT_HAVE_STATUS)
46	int status;
47#endif
48	struct reg r;
49
50	DPRINTF("Before forking process PID=%d\n", getpid());
51	SYSCALL_REQUIRE((child = fork()) != -1);
52	if (child == 0) {
53		DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
54		FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
55
56		DPRINTF("Before raising %s from child\n", strsignal(sigval));
57		FORKEE_ASSERT(raise(sigval) == 0);
58
59		DPRINTF("Before exiting of the child process\n");
60		_exit(exitval);
61	}
62	DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
63
64	DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
65	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
66
67	validate_status_stopped(status, sigval);
68
69	DPRINTF("Call GETREGS for the child process\n");
70	SYSCALL_REQUIRE(ptrace(PT_GETREGS, child, &r, 0) != -1);
71
72	DPRINTF("RAX=%#" PRIxREGISTER "\n", r.regs[_REG_RAX]);
73	DPRINTF("RBX=%#" PRIxREGISTER "\n", r.regs[_REG_RBX]);
74	DPRINTF("RCX=%#" PRIxREGISTER "\n", r.regs[_REG_RCX]);
75	DPRINTF("RDX=%#" PRIxREGISTER "\n", r.regs[_REG_RDX]);
76
77	DPRINTF("RDI=%#" PRIxREGISTER "\n", r.regs[_REG_RDI]);
78	DPRINTF("RSI=%#" PRIxREGISTER "\n", r.regs[_REG_RSI]);
79
80	DPRINTF("GS=%#" PRIxREGISTER "\n", r.regs[_REG_GS]);
81	DPRINTF("FS=%#" PRIxREGISTER "\n", r.regs[_REG_FS]);
82	DPRINTF("ES=%#" PRIxREGISTER "\n", r.regs[_REG_ES]);
83	DPRINTF("DS=%#" PRIxREGISTER "\n", r.regs[_REG_DS]);
84	DPRINTF("CS=%#" PRIxREGISTER "\n", r.regs[_REG_CS]);
85	DPRINTF("SS=%#" PRIxREGISTER "\n", r.regs[_REG_SS]);
86
87	DPRINTF("RSP=%#" PRIxREGISTER "\n", r.regs[_REG_RSP]);
88	DPRINTF("RIP=%#" PRIxREGISTER "\n", r.regs[_REG_RIP]);
89
90	DPRINTF("RFLAGS=%#" PRIxREGISTER "\n", r.regs[_REG_RFLAGS]);
91
92	DPRINTF("R8=%#" PRIxREGISTER "\n", r.regs[_REG_R8]);
93	DPRINTF("R9=%#" PRIxREGISTER "\n", r.regs[_REG_R9]);
94	DPRINTF("R10=%#" PRIxREGISTER "\n", r.regs[_REG_R10]);
95	DPRINTF("R11=%#" PRIxREGISTER "\n", r.regs[_REG_R11]);
96	DPRINTF("R12=%#" PRIxREGISTER "\n", r.regs[_REG_R12]);
97	DPRINTF("R13=%#" PRIxREGISTER "\n", r.regs[_REG_R13]);
98	DPRINTF("R14=%#" PRIxREGISTER "\n", r.regs[_REG_R14]);
99	DPRINTF("R15=%#" PRIxREGISTER "\n", r.regs[_REG_R15]);
100
101	DPRINTF("Before resuming the child process where it left off and "
102	    "without signal to be sent\n");
103	SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
104
105	DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
106	TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
107
108	validate_status_exited(status, exitval);
109
110	DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
111	TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
112}
113
114/// ----------------------------------------------------------------------------
115
116
117#define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64() \
118	ATF_TP_ADD_TC_HAVE_GPREGS(tp, x86_64_regs1);
119#else
120#define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64()
121#endif
122