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# timer_gettime ______________________________________________
#
# long sys_timer_gettime(timer_t timer_id,
# struct itimerspec __user *setting)
# long compat_sys_timer_gettime(timer_t timer_id,
# struct itimerspec __user *setting)
#
@define _SYSCALL_TIMER_GETTIME_NAME
%(
name = "timer_gettime"
%)
@define _SYSCALL_TIMER_GETTIME_ARGSTR
%(
argstr = sprintf("%d, %p", timerid, value_uaddr)
%)
@define _SYSCALL_TIMER_GETTIME_REGARGS
%(
timerid = int_arg(1)
value_uaddr = pointer_arg(2)
%)
@define _SYSCALL_TIMER_GETTIME_REGARGS_STORE
%(
if (@probewrite(timerid))
set_int_arg(1, timerid)
if (@probewrite(value_uaddr))
set_pointer_arg(2, value_uaddr)
%)
probe syscall.timer_gettime = dw_syscall.timer_gettime !,
nd_syscall.timer_gettime ? {}
probe syscall.timer_gettime.return = dw_syscall.timer_gettime.return !,
nd_syscall.timer_gettime.return ? {}
# dw_timer_gettime _____________________________________________________
probe dw_syscall.timer_gettime = __syscall.timer_gettime,
kernel.function("compat_sys_timer_gettime").call ?
{
@_SYSCALL_TIMER_GETTIME_NAME
timerid = __int32($timer_id)
value_uaddr = $setting
@_SYSCALL_TIMER_GETTIME_ARGSTR
}
probe __syscall.timer_gettime = kernel.function("sys_timer_gettime").call
{
@__syscall_gate(@const("__NR_timer_gettime"))
}
probe dw_syscall.timer_gettime.return =
__syscall.timer_gettime.return,
kernel.function("compat_sys_timer_gettime").return ?
{
@_SYSCALL_TIMER_GETTIME_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.timer_gettime.return = kernel.function("sys_timer_gettime").return
{
@__syscall_gate(@const("__NR_timer_gettime"))
}
# nd_timer_gettime _____________________________________________________
probe nd_syscall.timer_gettime = nd1_syscall.timer_gettime!, nd2_syscall.timer_gettime!, tp_syscall.timer_gettime
{ }
probe nd1_syscall.timer_gettime = __nd1_syscall.timer_gettime,
__nd1_syscall.compat_timer_gettime ?
{
@_SYSCALL_TIMER_GETTIME_NAME
}
probe __nd1_syscall.timer_gettime = kprobe.function("sys_timer_gettime")
{
@__syscall_gate(@const("__NR_timer_gettime"))
asmlinkage()
@_SYSCALL_TIMER_GETTIME_REGARGS
@_SYSCALL_TIMER_GETTIME_ARGSTR
}
probe __nd1_syscall.compat_timer_gettime = kprobe.function("compat_sys_timer_gettime") ?
{
asmlinkage()
@_SYSCALL_TIMER_GETTIME_REGARGS
@_SYSCALL_TIMER_GETTIME_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.timer_gettime = __nd2_syscall.timer_gettime,
__nd2_syscall.compat_timer_gettime ?
{
@_SYSCALL_TIMER_GETTIME_NAME
}
probe __nd2_syscall.timer_gettime =
kprobe.function(@arch_syscall_prefix "sys_timer_gettime")
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_TIMER_GETTIME_REGARGS
@_SYSCALL_TIMER_GETTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_TIMER_GETTIME_REGARGS_STORE %)
}
probe __nd2_syscall.compat_timer_gettime =
kprobe.function(@arch_syscall_prefix "compat_sys_timer_gettime") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_TIMER_GETTIME_REGARGS
@_SYSCALL_TIMER_GETTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_TIMER_GETTIME_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.timer_gettime = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_timer_gettime"), @const("__NR_compat_timer_gettime"))
@_SYSCALL_TIMER_GETTIME_NAME
@_SYSCALL_TIMER_GETTIME_REGARGS
@_SYSCALL_TIMER_GETTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_TIMER_GETTIME_REGARGS_STORE %)
}
probe nd_syscall.timer_gettime.return = nd1_syscall.timer_gettime.return!, nd2_syscall.timer_gettime.return!, tp_syscall.timer_gettime.return
{ }
probe nd1_syscall.timer_gettime.return =
__nd1_syscall.timer_gettime.return,
kprobe.function("compat_sys_timer_gettime").return ?
{
@_SYSCALL_TIMER_GETTIME_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.timer_gettime.return = kprobe.function("sys_timer_gettime").return
{
@__syscall_gate(@const("__NR_timer_gettime"))
}
/* kernel 4.17+ */
probe nd2_syscall.timer_gettime.return =
kprobe.function(@arch_syscall_prefix "sys_timer_gettime").return,
kprobe.function(@arch_syscall_prefix "compat_sys_timer_gettime").return ?
{
@_SYSCALL_TIMER_GETTIME_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.timer_gettime.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_timer_gettime"), @const("__NR_compat_timer_gettime"))
@_SYSCALL_TIMER_GETTIME_NAME
@SYSC_RETVALSTR($ret)
}
|
