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# getitimer __________________________________________________
# sys_getitimer(int which, struct itimerval __user *value)
#
@define _SYSCALL_GETITIMER_NAME
%(
name = "getitimer"
%)
@define _SYSCALL_GETITIMER_ARGSTR
%(
argstr = sprintf("%s, %p", _itimer_which_str(which), value_uaddr)
%)
@define _SYSCALL_GETITIMER_REGARGS
%(
which = int_arg(1)
value_uaddr = pointer_arg(2)
%)
probe syscall.getitimer = dw_syscall.getitimer !, nd_syscall.getitimer ? {}
probe syscall.getitimer.return = dw_syscall.getitimer.return !,
nd_syscall.getitimer.return ? {}
probe syscall.compat_getitimer = dw_syscall.compat_getitimer !,
nd_syscall.compat_getitimer ? {}
probe syscall.compat_getitimer.return = dw_syscall.compat_getitimer.return !,
nd_syscall.compat_getitimer.return ? {}
# dw_getitimer _____________________________________________________
probe dw_syscall.getitimer = kernel.function("sys_getitimer").call
{
@_SYSCALL_GETITIMER_NAME
which = __int32($which)
value_uaddr = $value
@_SYSCALL_GETITIMER_ARGSTR
}
probe dw_syscall.getitimer.return = kernel.function("sys_getitimer").return
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR($return)
}
# long compat_sys_getitimer(int which, struct compat_itimerval __user *it
probe dw_syscall.compat_getitimer = kernel.function("compat_sys_getitimer").call ?
{
@_SYSCALL_GETITIMER_NAME
which = __int32($which)
value_uaddr = @__pointer($it)
@_SYSCALL_GETITIMER_ARGSTR
}
probe dw_syscall.compat_getitimer.return = kernel.function("compat_sys_getitimer").return ?
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR($return)
}
# nd_getitimer _____________________________________________________
probe nd_syscall.getitimer = nd1_syscall.getitimer!, nd2_syscall.getitimer!, tp_syscall.getitimer
{ }
probe nd1_syscall.getitimer = kprobe.function("sys_getitimer") ?
{
@_SYSCALL_GETITIMER_NAME
asmlinkage()
@_SYSCALL_GETITIMER_REGARGS
@_SYSCALL_GETITIMER_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.getitimer = kprobe.function(@arch_syscall_prefix "sys_getitimer") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_GETITIMER_NAME
@_SYSCALL_GETITIMER_REGARGS
@_SYSCALL_GETITIMER_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getitimer = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_getitimer"))
@_SYSCALL_GETITIMER_NAME
@_SYSCALL_GETITIMER_REGARGS
@_SYSCALL_GETITIMER_ARGSTR
}
probe nd_syscall.getitimer.return = nd1_syscall.getitimer.return!, nd2_syscall.getitimer.return!, tp_syscall.getitimer.return
{ }
probe nd1_syscall.getitimer.return = kprobe.function("sys_getitimer").return ?
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.getitimer.return = kprobe.function(@arch_syscall_prefix "sys_getitimer").return ?
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getitimer.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_getitimer"))
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR($ret)
}
# long compat_sys_getitimer(int which, struct compat_itimerval __user *it
probe nd_syscall.compat_getitimer = nd1_syscall.compat_getitimer!, nd2_syscall.compat_getitimer!, tp_syscall.compat_getitimer
{ }
probe nd1_syscall.compat_getitimer = kprobe.function("compat_sys_getitimer") ?
{
@_SYSCALL_GETITIMER_NAME
asmlinkage()
which = int_arg(1)
value_uaddr = pointer_arg(2)
@_SYSCALL_GETITIMER_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_getitimer = kprobe.function(@arch_syscall_prefix "compat_sys_getitimer") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_GETITIMER_NAME
@_SYSCALL_GETITIMER_REGARGS
@_SYSCALL_GETITIMER_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_getitimer = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_getitimer"))
@_SYSCALL_GETITIMER_NAME
@_SYSCALL_GETITIMER_REGARGS
@_SYSCALL_GETITIMER_ARGSTR
}
probe nd_syscall.compat_getitimer.return = nd1_syscall.compat_getitimer.return!, nd2_syscall.compat_getitimer.return!, tp_syscall.compat_getitimer.return
{ }
probe nd1_syscall.compat_getitimer.return = kprobe.function("compat_sys_getitimer").return ?
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_getitimer.return = kprobe.function(@arch_syscall_prefix "compat_sys_getitimer").return ?
{
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_getitimer.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_getitimer"))
@_SYSCALL_GETITIMER_NAME
@SYSC_RETVALSTR($ret)
}
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