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|
# getgid _____________________________________________________
# long sys_getgid(void)
# long sys32_getgid16(void)
#
@define _SYSCALL_GETGID_NAME
%(
name = "getgid"
%)
@define _SYSCALL_GETGID_ARGSTR
%(
argstr = ""
%)
probe syscall.getgid = dw_syscall.getgid !, nd_syscall.getgid ? {}
probe syscall.getgid.return = dw_syscall.getgid.return !, nd_syscall.getgid.return ? {}
# dw_getgid _____________________________________________________
probe dw_syscall.getgid = kernel.function("sys_getgid16").call ?,
kernel.function("sys32_getgid16").call ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_getgid16").call ?,
%)
kernel.function("sys_getgid").call
{
@_SYSCALL_GETGID_NAME
@_SYSCALL_GETGID_ARGSTR
}
probe dw_syscall.getgid.return = kernel.function("sys_getgid16").return ?,
kernel.function("sys32_getgid16").return ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_getgid16").return ?,
%)
kernel.function("sys_getgid").return
{
@_SYSCALL_GETGID_NAME
@SYSC_RETVALSTR($return)
}
# nd_getgid _____________________________________________________
probe nd_syscall.getgid = nd1_syscall.getgid!, nd2_syscall.getgid!, tp_syscall.getgid
{ }
probe nd1_syscall.getgid = kprobe.function("sys_getgid16") ?,
kprobe.function("sys32_getgid16") ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_getgid16") ?,
%)
kprobe.function("sys_getgid")
{
@_SYSCALL_GETGID_NAME
@_SYSCALL_GETGID_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.getgid = kprobe.function(@arch_syscall0_prefix "sys_getgid") ?,
kprobe.function(@arch_syscall0_prefix "sys_getgid16") ?
{
@_SYSCALL_GETGID_NAME
@_SYSCALL_GETGID_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getgid = __tp_syscall.getgid, __tp_syscall.getgid16
{
@_SYSCALL_GETGID_NAME
@_SYSCALL_GETGID_ARGSTR
}
probe __tp_syscall.getgid = kernel.trace("sys_enter")
{
@__syscall_compat_gate(@const("__NR_getgid"), @const("__NR_compat_getgid32"))
}
probe __tp_syscall.getgid16 = kernel.trace("sys_enter")
{
@__compat_syscall_gate(@const("__NR_compat_getgid"))
}
probe nd_syscall.getgid.return = nd1_syscall.getgid.return!, nd2_syscall.getgid.return!, tp_syscall.getgid.return
{ }
probe nd1_syscall.getgid.return = kprobe.function("sys_getgid16").return ?,
kprobe.function("sys32_getgid16").return ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_getgid16").return ?,
%)
kprobe.function("sys_getgid").return
{
@_SYSCALL_GETGID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.getgid.return =
kprobe.function(@arch_syscall0_prefix "sys_getgid").return ?,
kprobe.function(@arch_syscall0_prefix "sys_getgid16").return ?
{
@_SYSCALL_GETGID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getgid.return = __tp_syscall.getgid.return, __tp_syscall.getgid16.return
{
__set_syscall_pt_regs($regs)
@_SYSCALL_GETGID_NAME
@SYSC_RETVALSTR($ret)
}
probe __tp_syscall.getgid.return = kernel.trace("sys_exit")
{
@__syscall_compat_gate(@const("__NR_getgid"), @const("__NR_compat_getgid32"))
}
probe __tp_syscall.getgid16.return = kernel.trace("sys_exit")
{
@__compat_syscall_gate(@const("__NR_compat_getgid"))
}
|
