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|
# clock_adjtime ______________________________________________
# SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock,
# struct timex __user *, utx)
# long compat_sys_clock_adjtime(clockid_t which_clock,
# struct compat_timex __user *utp)
#
@define _SYSCALL_CLOCK_ADJTIME_NAME
%(
name = "clock_adjtime"
%)
@define _SYSCALL_CLOCK_ADJTIME_ARGSTR
%(
argstr = sprintf("%s, %s", clk_id_str, tx_uaddr_str)
%)
@define _SYSCALL_CLOCK_ADJTIME_REGARGS
%(
clk_id = int_arg(1)
clk_id_str = _get_wc_str(clk_id)
tx_uaddr = pointer_arg(2)
%)
@define _SYSCALL_CLOCK_ADJTIME_REGARGS_STORE
%(
if (@probewrite(clk_id))
set_int_arg(1, clk_id)
if (@probewrite(tx_uaddr))
set_pointer_arg(2, tx_uaddr)
%)
probe syscall.clock_adjtime = dw_syscall.clock_adjtime !, nd_syscall.clock_adjtime ? {}
probe syscall.clock_adjtime.return = dw_syscall.clock_adjtime.return !, nd_syscall.clock_adjtime.return ? {}
# dw_clock_adjtime _____________________________________________________
probe dw_syscall.clock_adjtime = __syscall.clock_adjtime ?,
__syscall.compat_clock_adjtime ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
}
probe __syscall.clock_adjtime = kernel.function("sys_clock_adjtime").call
{
@__syscall_gate_compat_simple
clk_id = __int32($which_clock)
clk_id_str = _get_wc_str(clk_id)
tx_uaddr = @choose_defined($utx, $ktx)
tx_uaddr_str = _struct_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
}
probe __syscall.compat_clock_adjtime =
kernel.function("compat_sys_clock_adjtime").call ?
{
clk_id = __int32($which_clock)
clk_id_str = _get_wc_str(clk_id)
tx_uaddr = $utp
tx_uaddr_str = _struct_compat_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
}
probe dw_syscall.clock_adjtime.return = __syscall.clock_adjtime.return ?,
kernel.function("compat_sys_clock_adjtime").return ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.clock_adjtime.return =
kernel.function("sys_clock_adjtime").return
{
@__syscall_gate_compat_simple
}
# nd_clock_adjtime _____________________________________________________
probe nd_syscall.clock_adjtime = nd1_syscall.clock_adjtime!, nd2_syscall.clock_adjtime!, tp_syscall.clock_adjtime
{ }
probe nd1_syscall.clock_adjtime = __nd1_syscall.clock_adjtime ?,
__nd1_syscall.compat_clock_adjtime ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
}
probe __nd1_syscall.clock_adjtime = kprobe.function("sys_clock_adjtime").call
{
@__syscall_gate_compat_simple
asmlinkage()
@_SYSCALL_CLOCK_ADJTIME_REGARGS
tx_uaddr_str = _struct_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
}
probe __nd1_syscall.compat_clock_adjtime =
kprobe.function("compat_sys_clock_adjtime").call ?
{
asmlinkage()
@_SYSCALL_CLOCK_ADJTIME_REGARGS
tx_uaddr_str = _struct_compat_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
}
/* kernel 4.17+ */
probe nd1_syscall.clock_adjtime = __nd2_syscall.clock_adjtime ?,
__nd2_syscall.compat_clock_adjtime ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
}
probe __nd2_syscall.clock_adjtime = kprobe.function(@arch_syscall_prefix "sys_clock_adjtime").call
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_CLOCK_ADJTIME_REGARGS
tx_uaddr_str = _struct_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_CLOCK_ADJTIME_REGARGS_STORE %)
}
probe __nd2_syscall.compat_clock_adjtime =
kprobe.function(@arch_syscall_prefix "compat_sys_clock_adjtime").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_CLOCK_ADJTIME_REGARGS
tx_uaddr_str = _struct_compat_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_CLOCK_ADJTIME_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_adjtime = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_adjtime"), @const("__NR_compat_clock_adjtime"))
@_SYSCALL_CLOCK_ADJTIME_NAME
@_SYSCALL_CLOCK_ADJTIME_REGARGS
if (@__compat_task)
tx_uaddr_str = _struct_compat_timex_u(tx_uaddr)
else
tx_uaddr_str = _struct_timex_u(tx_uaddr)
@_SYSCALL_CLOCK_ADJTIME_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_CLOCK_ADJTIME_REGARGS_STORE %)
}
probe nd_syscall.clock_adjtime.return = nd1_syscall.clock_adjtime.return!, nd2_syscall.clock_adjtime.return!, tp_syscall.clock_adjtime.return
{ }
probe nd1_syscall.clock_adjtime.return = __nd1_syscall.clock_adjtime.return ?,
kprobe.function("compat_sys_clock_adjtime").return ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.clock_adjtime.return =
kprobe.function("sys_clock_adjtime").return
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.clock_adjtime.return = kprobe.function(@arch_syscall_prefix "sys_clock_adjtime").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_clock_adjtime").return ?
{
@_SYSCALL_CLOCK_ADJTIME_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_adjtime.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_adjtime"), @const("__NR_compat_clock_adjtime"))
@_SYSCALL_CLOCK_ADJTIME_NAME
@SYSC_RETVALSTR($ret)
}
|
