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|
# sigpending _________________________________________________
# SYSCALL_DEFINE1(sigpending, old_sigset_t __user *, set)
# COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set)
#
@define _SYSCALL_SIGPENDING_NAME
%(
name = "sigpending"
%)
@define _SYSCALL_SIGPENDING_ARGSTR
%(
argstr = sprintf("%p", set)
%)
@define _SYSCALL_SIGPENDING_REGARGS
%(
set = pointer_arg(1)
%)
@define _SYSCALL_SIGPENDING_REGARGS_STORE
%(
if (@probewrite(set))
set_pointer_arg(1, set)
%)
probe syscall.sigpending = dw_syscall.sigpending !, nd_syscall.sigpending ? {}
probe syscall.sigpending.return = dw_syscall.sigpending.return !,
nd_syscall.sigpending.return ? {}
# dw_sigpending _____________________________________________________
probe dw_syscall.sigpending = __syscall.sigpending ?,
kernel.function("compat_sys_sigpending").call ?
{
@_SYSCALL_SIGPENDING_NAME
set = @choose_defined($set, $set32)
@_SYSCALL_SIGPENDING_ARGSTR
}
probe __syscall.sigpending = kernel.function("sys_sigpending").call ?
{
@__syscall_gate_compat_simple
}
probe dw_syscall.sigpending.return = __syscall.sigpending.return ?,
kernel.function("compat_sys_sigpending").return ?
{
@_SYSCALL_SIGPENDING_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.sigpending.return = kernel.function("sys_sigpending").return ?
{
@__syscall_gate_compat_simple
}
# nd_sigpending _____________________________________________________
probe nd_syscall.sigpending = nd1_syscall.sigpending!, nd2_syscall.sigpending!, tp_syscall.sigpending
{ }
probe nd1_syscall.sigpending = __nd1_syscall.sigpending ?,
kprobe.function("compat_sys_sigpending") ?
{
@_SYSCALL_SIGPENDING_NAME
asmlinkage()
@_SYSCALL_SIGPENDING_REGARGS
@_SYSCALL_SIGPENDING_ARGSTR
}
probe __nd1_syscall.sigpending = kprobe.function("sys_sigpending") ?
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.sigpending =
kprobe.function(@arch_syscall_prefix "compat_sys_sigpending") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SIGPENDING_NAME
@_SYSCALL_SIGPENDING_REGARGS
@_SYSCALL_SIGPENDING_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SIGPENDING_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sigpending = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sigpending"), @const("__NR_compat_sigpending"))
@_SYSCALL_SIGPENDING_NAME
@_SYSCALL_SIGPENDING_REGARGS
@_SYSCALL_SIGPENDING_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SIGPENDING_REGARGS_STORE %)
}
probe nd_syscall.sigpending.return = nd1_syscall.sigpending.return!, nd2_syscall.sigpending.return!, tp_syscall.sigpending.return
{ }
probe nd1_syscall.sigpending.return = __nd1_syscall.sigpending.return ?,
kprobe.function("compat_sys_sigpending").return ?
{
@_SYSCALL_SIGPENDING_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.sigpending.return =
kprobe.function("sys_sigpending").return ?
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.sigpending.return =
kprobe.function(@arch_syscall_prefix "compat_sys_sigpending").return ?
{
@_SYSCALL_SIGPENDING_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.sigpending.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_sigpending"), @const("__NR_compat_sigpending"))
@_SYSCALL_SIGPENDING_NAME
@SYSC_RETVALSTR($ret)
}
|
