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t_ptrace_i386_wait.h revision 1.3
      1 /*	$NetBSD: t_ptrace_i386_wait.h,v 1.3 2019/02/10 02:13:45 kamil 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);
     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 
     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 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386() \
    104 	ATF_TP_ADD_TC_HAVE_GPREGS(tp, i386_regs1);
    105 #else
    106 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386()
    107 #endif
    108