1 /* $NetBSD: t_ptrace_amd64_wait.h,v 1.13 2025/05/02 02:24:32 riastradh 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
33 ATF_TC(x86_64_regs1);
ATF_TC_HEAD(x86_64_regs1,tc)34 ATF_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
ATF_TC_BODY(x86_64_regs1,tc)40 ATF_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 #define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64() \
117 ATF_TP_ADD_TC_HAVE_GPREGS(tp, x86_64_regs1);
118 #else
119 #define ATF_TP_ADD_TCS_PTRACE_WAIT_AMD64()
120 #endif
121