/*
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* Check decoding of s390_runtime_instr syscall.
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*
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* Copyright (c) 2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#if defined __NR_s390_runtime_instr
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# include <errno.h>
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# include <signal.h>
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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static struct {
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kernel_ulong_t cmd;
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const char * cmd_str;
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} cmd_args[] = {
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{ 0, "0 /* S390_RUNTIME_INSTR_??? */" },
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{ 4, "4 /* S390_RUNTIME_INSTR_??? */" },
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{ (kernel_ulong_t) 0xdeafbeefdeadc0deULL,
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"-559038242 /* S390_RUNTIME_INSTR_??? */" },
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{ 2, "S390_RUNTIME_INSTR_STOP" },
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};
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static struct {
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kernel_ulong_t sig;
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const char * sig_str;
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} start_sig_args[] = {
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{ 0, "SIG_0" },
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{ (kernel_ulong_t) 0xfacefeedac0ffeedULL, NULL },
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{ ARG_STR(SIGALRM) },
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{ 33, "SIGRT_1" },
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{ 63, "SIGRT_31" },
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};
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unsigned int i;
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long rc;
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for (i = 0; i < ARRAY_SIZE(cmd_args); i++) {
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rc = syscall(__NR_s390_runtime_instr, cmd_args[i].cmd, 0xdead);
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printf("s390_runtime_instr(%s) = %s\n",
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cmd_args[i].cmd_str, sprintrc(rc));
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}
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for (i = 0; i < ARRAY_SIZE(start_sig_args); i++) {
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long saved_errno;
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rc = syscall(__NR_s390_runtime_instr, 1, start_sig_args[i].sig);
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saved_errno = errno;
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printf("s390_runtime_instr(S390_RUNTIME_INSTR_START, ");
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if (start_sig_args[i].sig_str)
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printf("%s", start_sig_args[i].sig_str);
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else
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printf("%d", (int) start_sig_args[i].sig);
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errno = saved_errno;
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printf(") = %s\n", sprintrc(rc));
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_s390_runtime_instr")
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#endif
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