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# clock_getres _______________________________________________
# long sys_clock_getres(clockid_t which_clock, struct timespec __user *tp)
# long compat_clock_getres(clockid_t which_clock, struct compat_timespec __user *tp)
#
@define _SYSCALL_CLOCK_GETRES_NAME
%(
name = "clock_getres"
%)
@define _SYSCALL_CLOCK_GETRES_ARGSTR
%(
argstr = sprintf("%s, %p", clk_id_str, res_uaddr)
%)
@define _SYSCALL_CLOCK_GETRES_REGARGS
%(
clk_id = int_arg(1)
clk_id_str = _get_wc_str(clk_id)
res_uaddr = pointer_arg(2)
%)
@define _SYSCALL_CLOCK_GETRES_REGARGS_STORE
%(
if (@probewrite(clk_id))
set_int_arg(1, clk_id)
if (@probewrite(res_uaddr))
set_pointer_arg(2, res_uaddr)
%)
probe syscall.clock_getres = dw_syscall.clock_getres !, nd_syscall.clock_getres ? {}
probe syscall.clock_getres.return = dw_syscall.clock_getres.return !, nd_syscall.clock_getres.return ? {}
# dw_clock_getres _____________________________________________________
probe dw_syscall.clock_getres = kernel.function("compat_clock_getres").call ?,
kernel.function("compat_sys_clock_getres").call ?,
__syscall.clock_getres ?
{
@_SYSCALL_CLOCK_GETRES_NAME
clk_id = __int32($which_clock)
clk_id_str = _get_wc_str(__int32($which_clock))
res_uaddr = $tp
@_SYSCALL_CLOCK_GETRES_ARGSTR
}
probe __syscall.clock_getres = kernel.function("sys_clock_getres").call
{
@__syscall_gate(@const("__NR_clock_getres"))
}
probe dw_syscall.clock_getres.return =
kernel.function("compat_clock_getres").return ?,
kernel.function("compat_sys_clock_getres").return ?,
__syscall.clock_getres.return ?
{
@_SYSCALL_CLOCK_GETRES_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.clock_getres.return =
kernel.function("sys_clock_getres").return
{
@__syscall_gate(@const("__NR_clock_getres"))
}
# nd_clock_getres _____________________________________________________
probe nd_syscall.clock_getres = nd1_syscall.clock_getres!, nd2_syscall.clock_getres!, tp_syscall.clock_getres
{ }
probe nd1_syscall.clock_getres = kprobe.function("compat_clock_getres") ?,
kprobe.function("compat_sys_clock_getres") ?,
__nd1_syscall.clock_getres ?
{
asmlinkage()
@_SYSCALL_CLOCK_GETRES_NAME
@_SYSCALL_CLOCK_GETRES_REGARGS
@_SYSCALL_CLOCK_GETRES_ARGSTR
}
probe __nd1_syscall.clock_getres = kprobe.function("sys_clock_getres")
{
@__syscall_gate(@const("__NR_clock_getres"))
}
/* kernel 4.17+ */
probe nd2_syscall.clock_getres = kprobe.function(@arch_syscall_prefix "compat_sys_clock_getres") ?,
kprobe.function(@arch_syscall_prefix "sys_clock_getres") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_CLOCK_GETRES_NAME
@_SYSCALL_CLOCK_GETRES_REGARGS
@_SYSCALL_CLOCK_GETRES_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_CLOCK_GETRES_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_getres = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_getres"), @const("__NR_compat_clock_getres"))
@_SYSCALL_CLOCK_GETRES_NAME
@_SYSCALL_CLOCK_GETRES_REGARGS
@_SYSCALL_CLOCK_GETRES_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_CLOCK_GETRES_REGARGS_STORE %)
}
probe nd_syscall.clock_getres.return = nd1_syscall.clock_getres.return!, nd2_syscall.clock_getres.return!, tp_syscall.clock_getres.return
{ }
probe nd1_syscall.clock_getres.return =
kprobe.function("compat_clock_getres").return ?,
kprobe.function("compat_sys_clock_getres").return ?,
__nd1_syscall.clock_getres.return ?
{
@_SYSCALL_CLOCK_GETRES_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.clock_getres.return =
kprobe.function("sys_clock_getres").return
{
@__syscall_gate(@const("__NR_clock_getres"))
}
/* kernel 4.17+ */
probe nd2_syscall.clock_getres.return =
kprobe.function(@arch_syscall_prefix "compat_sys_clock_getres").return ?,
kprobe.function(@arch_syscall_prefix "sys_clock_getres").return ?
{
@_SYSCALL_CLOCK_GETRES_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.clock_getres.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_clock_getres"), @const("__NR_compat_clock_getres"))
@_SYSCALL_CLOCK_GETRES_NAME
@SYSC_RETVALSTR($ret)
}
|
