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|
# timerfd_gettime_____________________________________________
#
# SYSCALL_DEFINE2(timerfd_gettime, int, ufd, struct itimerspec __user *, otmr)
# COMPAT_SYSCALL_DEFINE2(timerfd_gettime, int, ufd,
# struct compat_itimerspec __user *, otmr)
@define _SYSCALL_TIMERFD_GETTIME_NAME
%(
name = "timerfd_gettime"
%)
@define _SYSCALL_TIMERFD_GETTIME_ARGSTR
%(
argstr = sprintf("%d, %p", fd, value_uaddr)
%)
@define _SYSCALL_TIMERFD_GETTIME_REGARGS
%(
fd = int_arg(1)
value_uaddr = pointer_arg(2)
%)
probe syscall.timerfd_gettime = dw_syscall.timerfd_gettime !,
nd_syscall.timerfd_gettime ? {}
probe syscall.timerfd_gettime.return = dw_syscall.timerfd_gettime.return !,
nd_syscall.timerfd_gettime.return ? {}
# dw_timerfd_gettime _____________________________________________________
probe dw_syscall.timerfd_gettime = __syscall.timerfd_gettime ?,
kernel.function("compat_sys_timerfd_gettime").call ?
{
@_SYSCALL_TIMERFD_GETTIME_NAME
fd = __int32($ufd)
value_uaddr = @__pointer($otmr)
@_SYSCALL_TIMERFD_GETTIME_ARGSTR
}
probe __syscall.timerfd_gettime = kernel.function("sys_timerfd_gettime").call ?
{
@__syscall_gate_compat_simple
}
probe dw_syscall.timerfd_gettime.return = __syscall.timerfd_gettime.return ?,
kernel.function("compat_sys_timerfd_gettime").return ?
{
@_SYSCALL_TIMERFD_GETTIME_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.timerfd_gettime.return =
kernel.function("sys_timerfd_gettime").return ?
{
@__syscall_gate_compat_simple
}
# nd_timerfd_gettime _____________________________________________________
probe nd_syscall.timerfd_gettime = nd1_syscall.timerfd_gettime!, nd2_syscall.timerfd_gettime!, tp_syscall.timerfd_gettime
{ }
probe nd1_syscall.timerfd_gettime = __nd1_syscall.timerfd_gettime ?,
kprobe.function("compat_sys_timerfd_gettime").call ?
{
@_SYSCALL_TIMERFD_GETTIME_NAME
asmlinkage()
@_SYSCALL_TIMERFD_GETTIME_REGARGS
@_SYSCALL_TIMERFD_GETTIME_ARGSTR
}
probe __nd1_syscall.timerfd_gettime =
kprobe.function("sys_timerfd_gettime").call ?
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.timerfd_gettime =
kprobe.function(@arch_syscall_prefix "sys_timerfd_gettime") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_timerfd_gettime") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_TIMERFD_GETTIME_NAME
@_SYSCALL_TIMERFD_GETTIME_REGARGS
@_SYSCALL_TIMERFD_GETTIME_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.timerfd_gettime = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_timerfd_gettime"), @const("__NR_compat_timerfd_gettime"))
@_SYSCALL_TIMERFD_GETTIME_NAME
@_SYSCALL_TIMERFD_GETTIME_REGARGS
@_SYSCALL_TIMERFD_GETTIME_ARGSTR
}
probe nd_syscall.timerfd_gettime.return = nd1_syscall.timerfd_gettime.return!, nd2_syscall.timerfd_gettime.return!, tp_syscall.timerfd_gettime.return
{ }
probe nd1_syscall.timerfd_gettime.return = __nd1_syscall.timerfd_gettime.return ?,
kprobe.function("compat_sys_timerfd_gettime").return ?
{
@_SYSCALL_TIMERFD_GETTIME_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.timerfd_gettime.return =
kprobe.function("sys_timerfd_gettime").return ?
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.timerfd_gettime.return =
kprobe.function(@arch_syscall_prefix "sys_timerfd_gettime").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_timerfd_gettime").return ?
{
@_SYSCALL_TIMERFD_GETTIME_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.timerfd_gettime.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_timerfd_gettime"), @const("__NR_compat_timerfd_gettime"))
@_SYSCALL_TIMERFD_GETTIME_NAME
@SYSC_RETVALSTR($ret)
}
|
