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
|
# ni_syscall _________________________________________________
#
# long sys_ni_syscall(void)
#
@define _SYSCALL_NI_SYSCALL_NAME
%(
name = "ni_syscall"
%)
@define _SYSCALL_NI_SYSCALL_ARGSTR
%(
argstr = ""
%)
@define _SYSCALL_GATE
%(
%( kernel_v < "3.1" %?
// Kernel commit 49b2868 removed nfsservctl.
//
// We want to ignore compat nfsservctl calls, since
// compat_sys_nfsservctl() calls sys_ni_syscall().
@__compat_syscall_gate_negative(@const("__NR_compat_nfsservctl"))
%)
%)
probe syscall.ni_syscall = dw_syscall.ni_syscall !, nd_syscall.ni_syscall {}
probe syscall.ni_syscall.return = dw_syscall.ni_syscall.return !,
nd_syscall.ni_syscall.return {}
# dw_ni_syscall _____________________________________________________
probe dw_syscall.ni_syscall = kernel.function("sys_ni_syscall").call
{
@_SYSCALL_GATE
@_SYSCALL_NI_SYSCALL_NAME
@_SYSCALL_NI_SYSCALL_ARGSTR
}
probe dw_syscall.ni_syscall.return = kernel.function("sys_ni_syscall").return
{
@_SYSCALL_GATE
@_SYSCALL_NI_SYSCALL_NAME
@SYSC_RETVALSTR($return)
}
# nd_ni_syscall _____________________________________________________
probe nd_syscall.ni_syscall = kprobe.function("sys_ni_syscall")
{
@_SYSCALL_GATE
@_SYSCALL_NI_SYSCALL_NAME
@_SYSCALL_NI_SYSCALL_ARGSTR
}
probe nd_syscall.ni_syscall.return = kprobe.function("sys_ni_syscall").return
{
@_SYSCALL_GATE
@_SYSCALL_NI_SYSCALL_NAME
@SYSC_RETVALSTR(returnval())
}
|
