1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Check decoding of s390_runtime_instr syscall.
*
* Copyright (c) 2018-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#if defined __NR_s390_runtime_instr
# include <errno.h>
# include <signal.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
static struct {
kernel_ulong_t cmd;
const char * cmd_str;
} cmd_args[] = {
{ 0, "0 /* S390_RUNTIME_INSTR_??? */" },
{ 4, "4 /* S390_RUNTIME_INSTR_??? */" },
{ (kernel_ulong_t) 0xdeafbeefdeadc0deULL,
"-559038242 /* S390_RUNTIME_INSTR_??? */" },
{ 2, "S390_RUNTIME_INSTR_STOP" },
};
static struct {
kernel_ulong_t sig;
const char * sig_str;
} start_sig_args[] = {
{ 0, "0" },
{ (kernel_ulong_t) 0xfacefeedac0ffeedULL, NULL },
{ ARG_STR(SIGALRM) },
{ 33, "SIGRT_1" },
{ 63, "SIGRT_31" },
};
long rc;
for (unsigned int i = 0; i < ARRAY_SIZE(cmd_args); ++i) {
rc = syscall(__NR_s390_runtime_instr, cmd_args[i].cmd, 0xdead);
printf("s390_runtime_instr(%s) = %s\n",
cmd_args[i].cmd_str, sprintrc(rc));
}
for (unsigned int i = 0; i < ARRAY_SIZE(start_sig_args); ++i) {
long saved_errno;
rc = syscall(__NR_s390_runtime_instr, 1, start_sig_args[i].sig);
saved_errno = errno;
printf("s390_runtime_instr(S390_RUNTIME_INSTR_START, ");
if (start_sig_args[i].sig_str)
printf("%s", start_sig_args[i].sig_str);
else
printf("%d", (int) start_sig_args[i].sig);
errno = saved_errno;
printf(") = %s\n", sprintrc(rc));
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_s390_runtime_instr")
#endif
|
