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# compat_sys_sysctl ________________________________________
#
# long compat_sys_sysctl(struct __sysctl_args32 __user *args)
#
# To match the ia64/s390/x86_64 versions (and to match the syscall variant of
# this probe), the 'syscall.compat_sysctl' probe name is deprecated and
# 'syscall.sysctl32' should be used instead. To use the old name without
# changing your script, use the '--compatible 2.8' stap option.
#
@define _SYSCALL_SYSCTL32_NAME
%(
name = "sysctl"
%)
@define _SYSCALL_SYSCTL32_ARGSTR
%(
argstr = sprintf("%p", args)
%)
probe
%( systemtap_v <= "2.8"
%? syscall.compat_sysctl %: syscall.sysctl32
%) = dw_syscall.sysctl32 !, nd_syscall.sysctl32 ? {}
probe
%( systemtap_v <= "2.8"
%? syscall.compat_sysctl.return %: syscall.sysctl32.return
%) = dw_syscall.sysctl32.return !, nd_syscall.sysctl32.return ? {}
# Note that these probes used to hook up to the ppc64 specific
# compat_sys_sysctl() kernel function. However, that was just a
# wrapper around sys_sysctl(). To avoid syscall nesting, we'll just
# ignore compat_sys_sysctl().
# dw_compat_sys_sysctl ________________________________________
probe
%( systemtap_v <= "2.8"
%? dw_syscall.compat_sysctl %: dw_syscall.sysctl32
%)
= %( systemtap_v <= "3.1"
%? kernel.function("compat_sys_sysctl").call ? %: never %)
{
@_SYSCALL_SYSCTL32_NAME
args = %( systemtap_v <= "3.1" %? $args %: 0 %)
@_SYSCALL_SYSCTL32_ARGSTR
}
probe
%( systemtap_v <= "2.8"
%? dw_syscall.compat_sysctl.return %: dw_syscall.sysctl32.return
%)
= %( systemtap_v <= "3.1"
%? kernel.function("compat_sys_sysctl").return ? %: never %)
{
@_SYSCALL_SYSCTL32_NAME
retstr = %( systemtap_v <= "3.1" %? return_str(1, $return) %: "0" %)
}
# nd_compat_sys_sysctl ________________________________________
probe
%( systemtap_v <= "2.8"
%? nd_syscall.compat_sysctl %: nd_syscall.sysctl32
%)
= %( systemtap_v <= "3.1" %? kprobe.function("compat_sys_sysctl") ?
%: never %)
{
@_SYSCALL_SYSCTL32_NAME
asmlinkage()
args = %( systemtap_v <= "3.1" %? pointer_arg(1) %: 0 %)
@_SYSCALL_SYSCTL32_ARGSTR
}
probe
%( systemtap_v <= "2.8"
%? nd_syscall.compat_sysctl.return %: nd_syscall.sysctl32.return
%)
= %( systemtap_v <= "3.1"
%? kprobe.function("compat_sys_sysctl").return ? %: never %)
{
@_SYSCALL_SYSCTL32_NAME
retstr = %( systemtap_v <= "3.1" %? returnstr(1) %: "0" %)
}
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