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|
# select _____________________________________________________
# long sys_select(int n,
# fd_set __user *inp,
# fd_set __user *outp,
# fd_set __user *exp,
# struct timeval __user *tvp)
#
@define _SYSCALL_SELECT_NAME
%(
name = "select"
%)
@define _SYSCALL_SELECT_ARGSTR
%(
argstr = sprintf("%d, %p, %p, %p, %s", n, readfds_uaddr, writefds_uaddr,
exceptfds_uaddr, timeout_str)
%)
@define _SYSCALL_SELECT_REGARGS
%(
n = int_arg(1)
readfds_uaddr = pointer_arg(2)
writefds_uaddr = pointer_arg(3)
exceptfds_uaddr = pointer_arg(4)
timeout_uaddr = pointer_arg(5)
%)
@define _SYSCALL_SELECT_REGARGS_STORE
%(
if (@probewrite(n))
set_int_arg(1, n)
if (@probewrite(readfds_uaddr))
set_pointer_arg(2, readfds_uaddr)
if (@probewrite(writefds_uaddr))
set_pointer_arg(3, writefds_uaddr)
if (@probewrite(exceptfds_uaddr))
set_pointer_arg(4, exceptfds_uaddr)
if (@probewrite(timeout_uaddr))
set_pointer_arg(5, timeout_uaddr)
%)
probe syscall.select = dw_syscall.select !, nd_syscall.select ? {}
probe syscall.select.return = dw_syscall.select.return !,
nd_syscall.select.return ? {}
# dw_select _____________________________________________________
probe dw_syscall.select = kernel.function("sys_select").call
{
@_SYSCALL_SELECT_NAME
n = __int32($n)
readfds_uaddr = $inp
writefds_uaddr = $outp
exceptfds_uaddr = $exp
timeout_uaddr = $tvp
timeout_str = _struct_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
}
probe dw_syscall.select.return = kernel.function("sys_select").return
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR($return)
}
# nd_select _____________________________________________________
probe nd_syscall.select = nd1_syscall.select!, nd2_syscall.select!, tp_syscall.select
{ }
probe nd1_syscall.select = kprobe.function("sys_select") ?
{
@_SYSCALL_SELECT_NAME
asmlinkage()
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.select = kprobe.function(@arch_syscall_prefix "sys_select") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SELECT_NAME
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SELECT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.select = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate2(@const("__NR_select"), @const("__NR__newselect"))
@_SYSCALL_SELECT_NAME
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SELECT_REGARGS_STORE %)
}
probe nd_syscall.select.return = nd1_syscall.select.return!, nd2_syscall.select.return!, tp_syscall.select.return
{ }
probe nd1_syscall.select.return = kprobe.function("sys_select").return ?
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.select.return = kprobe.function(@arch_syscall_prefix "sys_select").return ?
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.select.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate2(@const("__NR_select"), @const("__NR__newselect"))
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR($ret)
}
# long compat_sys_select(int n,
# compat_ulong_t __user *inp,
# compat_ulong_t __user *outp,
# compat_ulong_t __user *exp,
# struct compat_timeval __user *tvp)
#
probe syscall.compat_select = dw_syscall.compat_select !, nd_syscall.compat_select ? {}
probe syscall.compat_select.return = dw_syscall.compat_select.return !,
nd_syscall.compat_select.return ? {}
# dw_compat_select _____________________________________________________
probe dw_syscall.compat_select = kernel.function("compat_sys_select").call ?
{
@_SYSCALL_SELECT_NAME
n = __int32($n)
readfds_uaddr = @__pointer($inp)
writefds_uaddr = @__pointer($outp)
exceptfds_uaddr = @__pointer($exp)
timeout_uaddr = @__pointer($tvp)
timeout_str = _struct_compat_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
}
probe dw_syscall.compat_select.return = kernel.function("compat_sys_select").return ?
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_select _____________________________________________________
probe nd_syscall.compat_select = nd1_syscall.compat_select!, nd2_syscall.compat_select!, tp_syscall.compat_select
{ }
probe nd1_syscall.compat_select = kprobe.function("compat_sys_select") ?
{
@_SYSCALL_SELECT_NAME
asmlinkage()
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_compat_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_select = kprobe.function(@arch_syscall_prefix "compat_sys_select") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SELECT_NAME
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_compat_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SELECT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_select = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat__newselect"))
@_SYSCALL_SELECT_NAME
@_SYSCALL_SELECT_REGARGS
timeout_str = _struct_compat_timeval_u(timeout_uaddr, 1)
@_SYSCALL_SELECT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SELECT_REGARGS_STORE %)
}
probe nd_syscall.compat_select.return = nd1_syscall.compat_select.return!, nd2_syscall.compat_select.return!, tp_syscall.compat_select.return
{ }
probe nd1_syscall.compat_select.return = kprobe.function("compat_sys_select").return ?
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_select.return = kprobe.function(@arch_syscall_prefix "compat_sys_select").return ?
{
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_select.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat__newselect"))
@_SYSCALL_SELECT_NAME
@SYSC_RETVALSTR($ret)
}
|
