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# clock_settime ______________________________________________
# long sys_clock_settime(clockid_t which_clock,
# const struct timespec __user *tp)
#
# long compat_sys_clock_settime(clockid_t which_clock,
# struct compat_timespec __user *tp)
@define _SYSCALL_CLOCK_SETTIME_NAME
%(
name = "clock_settime"
%)
@define _SYSCALL_CLOCK_SETTIME_ARGSTR
%(
argstr = sprintf("%s, %s", clk_id_str, tp_uaddr_str)
%)
@define _SYSCALL_CLOCK_SETTIME_REGARGS
%(
clk_id = int_arg(1)
clk_id_str = _get_wc_str(clk_id)
tp_uaddr = pointer_arg(2)
%)
probe syscall.clock_settime = dw_syscall.clock_settime !, nd_syscall.clock_settime ? {}
probe syscall.clock_settime.return = dw_syscall.clock_settime.return !, nd_syscall.clock_settime.return ? {}
# dw_clock_settime _____________________________________________________
probe dw_syscall.clock_settime = __syscall.clock_settime,
__syscall.compat_clock_settime ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
}
probe __syscall.clock_settime = kernel.function("sys_clock_settime").call
{
@__syscall_gate(@const("__NR_clock_settime"))
clk_id = __int32($which_clock)
clk_id_str = _get_wc_str($which_clock)
tp_uaddr = $tp
tp_uaddr_str = _struct_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
probe __syscall.compat_clock_settime =
kernel.function("compat_sys_clock_settime").call ?
{
clk_id = __int32($which_clock)
clk_id_str = _get_wc_str(__int32($which_clock))
tp_uaddr = $tp
tp_uaddr_str = _struct_compat_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
probe dw_syscall.clock_settime.return = __syscall.clock_settime.return,
__syscall.compat_clock_settime.return ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
}
probe __syscall.clock_settime.return =
kernel.function("sys_clock_settime").return
{
@__syscall_gate(@const("__NR_clock_settime"))
@SYSC_RETVALSTR($return)
}
probe __syscall.compat_clock_settime.return =
kernel.function("compat_sys_clock_settime").return ?
{
@SYSC_RETVALSTR($return)
}
# nd_clock_settime _____________________________________________________
probe nd_syscall.clock_settime = nd1_syscall.clock_settime!, nd2_syscall.clock_settime!, tp_syscall.clock_settime
{ }
probe nd1_syscall.clock_settime = __nd1_syscall.clock_settime,
__nd1_syscall.compat_clock_settime ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
}
probe __nd1_syscall.clock_settime = kprobe.function("sys_clock_settime").call
{
@__syscall_gate(@const("__NR_clock_settime"))
asmlinkage()
@_SYSCALL_CLOCK_SETTIME_REGARGS
tp_uaddr_str = _struct_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
probe __nd1_syscall.compat_clock_settime =
kprobe.function("compat_sys_clock_settime").call ?
{
asmlinkage()
@_SYSCALL_CLOCK_SETTIME_REGARGS
tp_uaddr_str = _struct_compat_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.clock_settime = __nd2_syscall.clock_settime,
__nd2_syscall.compat_clock_settime ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
}
probe __nd2_syscall.clock_settime = kprobe.function(@arch_syscall_prefix "sys_clock_settime").call
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_CLOCK_SETTIME_REGARGS
tp_uaddr_str = _struct_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
probe __nd2_syscall.compat_clock_settime =
kprobe.function(@arch_syscall_prefix "compat_sys_clock_settime").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_CLOCK_SETTIME_REGARGS
tp_uaddr_str = _struct_compat_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_settime = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_settime"), @const("__NR_compat_clock_settime"))
@_SYSCALL_CLOCK_SETTIME_NAME
@_SYSCALL_CLOCK_SETTIME_REGARGS
if (@__compat_task)
tp_uaddr_str = _struct_compat_timespec_u(tp_uaddr, 1)
else
tp_uaddr_str = _struct_timespec_u(tp_uaddr, 1)
@_SYSCALL_CLOCK_SETTIME_ARGSTR
}
probe nd_syscall.clock_settime.return = nd1_syscall.clock_settime.return!, nd2_syscall.clock_settime.return!, tp_syscall.clock_settime.return
{ }
probe nd1_syscall.clock_settime.return = __nd1_syscall.clock_settime.return,
__nd1_syscall.compat_clock_settime.return ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
}
probe __nd1_syscall.clock_settime.return =
kprobe.function("sys_clock_settime").return
{
@__syscall_gate(@const("__NR_clock_settime"))
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.compat_clock_settime.return =
kprobe.function("compat_sys_clock_settime").return ?
{
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.clock_settime.return = kprobe.function(@arch_syscall_prefix "sys_clock_settime").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_clock_settime").return ?
{
@_SYSCALL_CLOCK_SETTIME_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_settime.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_settime"), @const("__NR_compat_clock_settime"))
@_SYSCALL_CLOCK_SETTIME_NAME
@SYSC_RETVALSTR($ret)
}
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