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|
# ppoll _______________________________________________________
#
# long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
# struct timespec __user *tsp, const sigset_t __user *sigmask,
# size_t sigsetsize)
#
@define _SYSCALL_PPOLL_NAME
%(
name = "ppoll"
%)
@define _SYSCALL_PPOLL_ARGSTR
%(
argstr = sprintf("%p, %u, %s, %p, %d",
fds_uaddr, nfds, tsp_str, sigmask, sigsetsize)
%)
@define _SYSCALL_PPOLL_REGARGS
%(
fds_uaddr = pointer_arg(1)
nfds = uint_arg(2)
tsp = pointer_arg(3)
tsp_str = _struct_timespec_u(tsp, 1)
sigmask = pointer_arg(4)
sigsetsize = ulong_arg(5)
%)
@define _SYSCALL_PPOLL_REGARGS_STORE
%(
if (@probewrite(fds_uaddr))
set_pointer_arg(1, fds_uaddr)
if (@probewrite(nfds))
set_uint_arg(2, nfds)
if (@probewrite(tsp))
set_pointer_arg(3, tsp)
if (@probewrite(sigmask))
set_pointer_arg(4, sigmask)
if (@probewrite(sigsetsize))
set_ulong_arg(5, sigsetsize)
%)
@define _SYSCALL_COMPAT_PPOLL_REGARGS
%(
fds_uaddr = pointer_arg(1)
nfds = uint_arg(2)
tsp = pointer_arg(3)
tsp_str = _struct_compat_timespec_u(tsp, 1)
sigmask = pointer_arg(4)
sigsetsize = u32_arg(5)
%)
@define _SYSCALL_COMPAT_PPOLL_REGARGS_STORE
%(
if (@probewrite(fds_uaddr))
set_pointer_arg(1, fds_uaddr)
if (@probewrite(nfds))
set_uint_arg(2, nfds)
if (@probewrite(tsp))
set_pointer_arg(3, tsp)
if (@probewrite(sigmask))
set_pointer_arg(4, sigmask)
if (@probewrite(sigsetsize))
set_u32_arg(5, sigsetsize)
%)
probe syscall.ppoll = dw_syscall.ppoll !, nd_syscall.ppoll ? {}
probe syscall.ppoll.return = dw_syscall.ppoll.return !,
nd_syscall.ppoll.return ? {}
# dw_ppoll _____________________________________________________
probe dw_syscall.ppoll = kernel.function("sys_ppoll").call ?
{
@_SYSCALL_PPOLL_NAME
fds_uaddr = $ufds
nfds = __uint32($nfds)
tsp = $tsp
tsp_str = _struct_timespec_u(tsp, 1)
sigmask = $sigmask
sigsetsize = $sigsetsize
@_SYSCALL_PPOLL_ARGSTR
}
probe dw_syscall.ppoll.return = kernel.function("sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR($return)
}
# nd_ppoll _____________________________________________________
probe nd_syscall.ppoll = nd1_syscall.ppoll!, nd2_syscall.ppoll!, tp_syscall.ppoll
{ }
probe nd1_syscall.ppoll = kprobe.function("sys_ppoll") ?
{
@_SYSCALL_PPOLL_NAME
asmlinkage()
@_SYSCALL_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.ppoll = kprobe.function(@arch_syscall_prefix "sys_ppoll") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_PPOLL_NAME
@_SYSCALL_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_PPOLL_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.ppoll = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_ppoll"))
@_SYSCALL_PPOLL_NAME
@_SYSCALL_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_PPOLL_REGARGS_STORE %)
}
probe nd_syscall.ppoll.return = nd1_syscall.ppoll.return!, nd2_syscall.ppoll.return!, tp_syscall.ppoll.return
{ }
probe nd1_syscall.ppoll.return = kprobe.function("sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.ppoll.return = kprobe.function(@arch_syscall_prefix "sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.ppoll.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_ppoll"))
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR($ret)
}
# compat_ppoll ________________________________________________
#
# long compat_sys_ppoll(struct pollfd __user *ufds,
# unsigned int nfds, struct compat_timespec __user *tsp,
# const compat_sigset_t __user *sigmask, compat_size_t sigsetsize)
#
probe syscall.compat_ppoll = dw_syscall.compat_ppoll !,
nd_syscall.compat_ppoll ? {}
probe syscall.compat_ppoll.return = dw_syscall.compat_ppoll.return !,
nd_syscall.compat_ppoll.return ? {}
# dw_compat_ppoll _____________________________________________________
probe dw_syscall.compat_ppoll = kernel.function("compat_sys_ppoll").call ?
{
@_SYSCALL_PPOLL_NAME
fds_uaddr = @__pointer($ufds)
nfds = __uint32($nfds)
tsp = @__pointer($tsp)
tsp_str = _struct_compat_timespec_u(tsp, 1)
sigmask = @__pointer($sigmask)
sigsetsize = $sigsetsize
@_SYSCALL_PPOLL_ARGSTR
}
probe dw_syscall.compat_ppoll.return = kernel.function("compat_sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_ppoll _____________________________________________________
probe nd_syscall.compat_ppoll = nd1_syscall.compat_ppoll!, nd2_syscall.compat_ppoll!, tp_syscall.compat_ppoll
{ }
probe nd1_syscall.compat_ppoll = kprobe.function("compat_sys_ppoll") ?
{
@_SYSCALL_PPOLL_NAME
asmlinkage()
@_SYSCALL_COMPAT_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_ppoll = kprobe.function(@arch_syscall_prefix "compat_sys_ppoll") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_PPOLL_NAME
@_SYSCALL_COMPAT_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_PPOLL_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_ppoll = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ppoll"))
@_SYSCALL_PPOLL_NAME
@_SYSCALL_COMPAT_PPOLL_REGARGS
@_SYSCALL_PPOLL_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_PPOLL_REGARGS_STORE %)
}
probe nd_syscall.compat_ppoll.return = nd1_syscall.compat_ppoll.return!, nd2_syscall.compat_ppoll.return!, tp_syscall.compat_ppoll.return
{ }
probe nd1_syscall.compat_ppoll.return = kprobe.function("compat_sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_ppoll.return = kprobe.function(@arch_syscall_prefix "compat_sys_ppoll").return ?
{
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_ppoll.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ppoll"))
@_SYSCALL_PPOLL_NAME
@SYSC_RETVALSTR($ret)
}
|
