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# pause ______________________________________________________
#
# sys_pause(void)
#
@define _SYSCALL_PAUSE_NAME
%(
name = "pause"
%)
@define _SYSCALL_PAUSE_ARGSTR
%(
argstr = ""
%)
probe syscall.pause = dw_syscall.pause !, nd_syscall.pause ? {}
probe syscall.pause.return = dw_syscall.pause.return !,
nd_syscall.pause.return ? {}
# dw_pause _____________________________________________________
probe dw_syscall.pause = kernel.function("sys_pause").call ?,
kernel.function("sys32_pause").call ?,
kernel.function("compat_sys_pause").call ?
{
@_SYSCALL_PAUSE_NAME
@_SYSCALL_PAUSE_ARGSTR
}
probe dw_syscall.pause.return = kernel.function("sys_pause").return ?,
kernel.function("sys32_pause").return ?,
kernel.function("compat_sys_pause").return ?
{
@_SYSCALL_PAUSE_NAME
@SYSC_RETVALSTR($return)
}
# nd_pause _____________________________________________________
probe nd_syscall.pause = nd1_syscall.pause!, nd2_syscall.pause!, tp_syscall.pause
{ }
probe nd1_syscall.pause = kprobe.function("sys_pause") ?,
kprobe.function("sys32_pause") ?,
kprobe.function("compat_sys_pause") ?
{
@_SYSCALL_PAUSE_NAME
@_SYSCALL_PAUSE_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.pause = kprobe.function(@arch_syscall0_prefix "sys_pause") ?
{
@_SYSCALL_PAUSE_NAME
@_SYSCALL_PAUSE_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.pause = kernel.trace("sys_enter") ?
{
@__syscall_compat_gate(@const("__NR_pause"), @const("__NR_compat_pause"))
@_SYSCALL_PAUSE_NAME
@_SYSCALL_PAUSE_ARGSTR
}
probe nd_syscall.pause.return = nd1_syscall.pause.return!, nd2_syscall.pause.return!, tp_syscall.pause.return
{ }
probe nd1_syscall.pause.return = kprobe.function("sys_pause").return ?,
kprobe.function("sys32_pause").return ?,
kprobe.function("compat_sys_pause").return ?
{
@_SYSCALL_PAUSE_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.pause.return = kprobe.function(@arch_syscall0_prefix "sys_pause").return ?
{
@_SYSCALL_PAUSE_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.pause.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_pause"), @const("__NR_compat_pause"))
@_SYSCALL_PAUSE_NAME
@SYSC_RETVALSTR($ret)
}
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