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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* COVERAGE: pwritev pwritev2 */
#define _GNU_SOURCE
#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#define _LARGEFILE64_SOURCE
#define _ISOC99_SOURCE /* Needed for LLONG_MAX on RHEL5 */
#define _FILE_OFFSET_BITS 64
#define _XOPEN_SOURCE 500
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <limits.h>
#include <linux/unistd.h>
#include <sys/uio.h>
#include <sys/syscall.h>
#include <endian.h>
#include <linux/fs.h>
#ifdef __NR_pwritev2
#define LO_HI_LONG(val) \
(unsigned long) val, \
(unsigned long) ((((u_int64_t) (val)) >> (sizeof (long) * 4)) >> (sizeof (long) * 4))
static inline ssize_t
__pwritev2(int fd, const struct iovec *iov, int iovcnt, loff_t offset, int flags)
{
return syscall(__NR_pwritev2, fd, iov, iovcnt,
LO_HI_LONG(offset), flags);
}
#endif
int main()
{
#ifdef __NR_pwritev
int fd;
struct iovec wr_iovec[3];
char buf[64];
fd = open("foobar1", O_WRONLY|O_CREAT, 0666);
//staptest// [[[[open (!!!!openat (AT_FDCWD, ]]]]"foobar1", O_WRONLY|O_CREAT[[[[.O_LARGEFILE]]]]?, 0666) = NNNN
memset(buf, (int)'B', sizeof(buf));
wr_iovec[0].iov_base = buf;
wr_iovec[0].iov_len = -1;
wr_iovec[1].iov_base = NULL;
wr_iovec[1].iov_len = 0;
wr_iovec[2].iov_base = NULL;
wr_iovec[2].iov_len = 0;
pwritev(fd, wr_iovec, 1, 0);
//staptest// pwritev (NNNN, XXXX, 1, 0x0) = -NNNN (EINVAL)
pwritev(-1, wr_iovec, 1, 0);
//staptest// pwritev (-1, XXXX, 1, 0x0) = -NNNN (EBADF)
pwritev(fd, wr_iovec, -1, 0);
//staptest// pwritev (NNNN, XXXX, -1, 0x0) = -NNNN (EINVAL)
pwritev(fd, wr_iovec, 0, 0);
//staptest// pwritev (NNNN, XXXX, 0, 0x0) = 0
wr_iovec[0].iov_base = buf;
wr_iovec[0].iov_len = sizeof(buf);
wr_iovec[1].iov_base = buf;
wr_iovec[1].iov_len = 0;
wr_iovec[2].iov_base = NULL;
wr_iovec[2].iov_len = 0;
pwritev(fd, wr_iovec, 3, 0);
//staptest// pwritev (NNNN, XXXX, 3, 0x0) = 64
pwritev(fd, wr_iovec, 3, 64);
//staptest// pwritev (NNNN, XXXX, 3, 0x40) = 64
close (fd);
//staptest// close (NNNN) = 0
pwritev(-1, wr_iovec, 3, -1);
//staptest// pwritev (-1, XXXX, 3, 0xffffffffffffffff) = -NNNN
pwritev(-1, wr_iovec, 3, 0x12345678deadbeefLL);
//staptest// pwritev (-1, XXXX, 3, 0x12345678deadbeef) = -NNNN
pwritev(-1, wr_iovec, 3, LLONG_MAX);
//staptest// pwritev (-1, XXXX, 3, 0x7fffffffffffffff) = -NNNN
#ifdef __NR_pwritev2
fd = open("foobar1", O_WRONLY|O_CREAT, 0666);
//staptest// [[[[open (!!!!openat (AT_FDCWD, ]]]]"foobar1", O_WRONLY|O_CREAT[[[[.O_LARGEFILE]]]]?, 0666) = NNNN
memset(buf, (int)'B', sizeof(buf));
wr_iovec[0].iov_base = buf;
wr_iovec[0].iov_len = -1;
wr_iovec[1].iov_base = NULL;
wr_iovec[1].iov_len = 0;
wr_iovec[2].iov_base = NULL;
wr_iovec[2].iov_len = 0;
__pwritev2(fd, wr_iovec, 1, 0, 0);
//staptest// pwritev2 (NNNN, XXXX, 1, 0x0, 0x0) = -NNNN (EINVAL)
__pwritev2(-1, wr_iovec, 1, 0, RWF_HIPRI);
//staptest// pwritev2 (-1, XXXX, 1, 0x0, RWF_HIPRI) = -NNNN (EBADF)
__pwritev2(fd, wr_iovec, -1, 0, 0);
//staptest// pwritev2 (NNNN, XXXX, -1, 0x0, 0x0) = -NNNN (EINVAL)
__pwritev2(fd, wr_iovec, 1, 0, -1);
//staptest// pwritev2 (NNNN, XXXX, 1, 0x0, RWF_[^ ]+|XXXX) = -NNNN
__pwritev2(fd, wr_iovec, 0, 0, 0);
//staptest// pwritev2 (NNNN, XXXX, 0, 0x0, 0x0) = 0
wr_iovec[0].iov_base = buf;
wr_iovec[0].iov_len = sizeof(buf);
wr_iovec[1].iov_base = buf;
wr_iovec[1].iov_len = 0;
wr_iovec[2].iov_base = NULL;
wr_iovec[2].iov_len = 0;
__pwritev2(fd, wr_iovec, 3, 0, 0);
//staptest// pwritev2 (NNNN, XXXX, 3, 0x0, 0x0) = 64
__pwritev2(fd, wr_iovec, 3, 64, 0);
//staptest// pwritev2 (NNNN, XXXX, 3, 0x40, 0x0) = 64
close (fd);
//staptest// close (NNNN) = 0
__pwritev2(-1, wr_iovec, 3, -1, 0);
//staptest// pwritev2 (-1, XXXX, 3, 0xffffffffffffffff, 0x0) = -NNNN
__pwritev2(-1, wr_iovec, 3, 0x12345678deadbeefLL, 0);
//staptest// pwritev2 (-1, XXXX, 3, 0x12345678deadbeef, 0x0) = -NNNN
__pwritev2(-1, wr_iovec, 3, LLONG_MAX, 0);
//staptest// pwritev2 (-1, XXXX, 3, 0x7fffffffffffffff, 0x0) = -NNNN
#endif
#endif
return 0;
}
|
