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|
# set_mempolicy ______________________________________________
# long sys_set_mempolicy(int mode,
# unsigned long __user *nmask,
# unsigned long maxnode)
#
@define _SYSCALL_SET_MEMPOLICY_NAME
%(
name = "set_mempolicy"
%)
@define _SYSCALL_SET_MEMPOLICY_ARGSTR
%(
argstr = sprintf("%s, %p, %u", mode_str, nmask_uaddr, maxnode)
%)
@define _SYSCALL_SET_MEMPOLICY_REGARGS
%(
mode = int_arg(1)
mode_str = _mempolicy_mode_str(mode)
nmask_uaddr = pointer_arg(2)
maxnode = ulong_arg(3)
%)
@define _SYSCALL_SET_MEMPOLICY_REGARGS_STORE
%(
if (@probewrite(mode))
set_int_arg(1, mode)
if (@probewrite(nmask_uaddr))
set_pointer_arg(2, nmask_uaddr)
if (@probewrite(maxnode))
set_ulong_arg(3, maxnode)
%)
probe syscall.set_mempolicy = dw_syscall.set_mempolicy !,
nd_syscall.set_mempolicy ? {}
probe syscall.set_mempolicy.return = dw_syscall.set_mempolicy.return !,
nd_syscall.set_mempolicy.return ? {}
# dw_set_mempolicy _____________________________________________________
probe dw_syscall.set_mempolicy = __syscall.set_mempolicy ?,
kernel.function("compat_sys_set_mempolicy").call ?
{
@_SYSCALL_SET_MEMPOLICY_NAME
mode = __int32($mode)
mode_str = _mempolicy_mode_str(__int32($mode))
nmask_uaddr = $nmask
maxnode = $maxnode
@_SYSCALL_SET_MEMPOLICY_ARGSTR
}
probe __syscall.set_mempolicy = kernel.function("sys_set_mempolicy") ?
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
probe dw_syscall.set_mempolicy.return = __syscall.set_mempolicy.return ?,
kernel.function("compat_sys_set_mempolicy").return ?
{
@_SYSCALL_SET_MEMPOLICY_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.set_mempolicy.return =
kernel.function("sys_set_mempolicy").return ?
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
# nd_set_mempolicy _____________________________________________________
probe nd_syscall.set_mempolicy = nd1_syscall.set_mempolicy!, nd2_syscall.set_mempolicy!, tp_syscall.set_mempolicy
{ }
probe nd1_syscall.set_mempolicy = __nd1_syscall.set_mempolicy ?,
kprobe.function("compat_sys_set_mempolicy") ?
{
@_SYSCALL_SET_MEMPOLICY_NAME
asmlinkage()
@_SYSCALL_SET_MEMPOLICY_REGARGS
@_SYSCALL_SET_MEMPOLICY_ARGSTR
}
probe __nd1_syscall.set_mempolicy = kprobe.function("sys_set_mempolicy") ?
{
%( arch == "powerpc" %?
asmlinkage()
@__syscall_gate_compat_simple
%)
}
/* kernel 4.17+ */
probe nd2_syscall.set_mempolicy = kprobe.function(@arch_syscall_prefix "sys_set_mempolicy") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SET_MEMPOLICY_NAME
@_SYSCALL_SET_MEMPOLICY_REGARGS
@_SYSCALL_SET_MEMPOLICY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SET_MEMPOLICY_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.set_mempolicy = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_set_mempolicy"), @const("__NR_compat_set_mempolicy"))
@_SYSCALL_SET_MEMPOLICY_NAME
@_SYSCALL_SET_MEMPOLICY_REGARGS
@_SYSCALL_SET_MEMPOLICY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SET_MEMPOLICY_REGARGS_STORE %)
}
probe nd_syscall.set_mempolicy.return = nd1_syscall.set_mempolicy.return!, nd2_syscall.set_mempolicy.return!, tp_syscall.set_mempolicy.return
{ }
probe nd1_syscall.set_mempolicy.return = __nd1_syscall.set_mempolicy.return ?,
kprobe.function("compat_sys_set_mempolicy").return ?
{
@_SYSCALL_SET_MEMPOLICY_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.set_mempolicy.return =
kprobe.function("sys_set_mempolicy").return ?
{
%( arch == "powerpc" %?
asmlinkage()
@__syscall_gate_compat_simple
%)
}
/* kernel 4.17+ */
probe nd2_syscall.set_mempolicy.return = kprobe.function(@arch_syscall_prefix "sys_set_mempolicy").return ?
{
@_SYSCALL_SET_MEMPOLICY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.set_mempolicy.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_set_mempolicy"), @const("__NR_compat_set_mempolicy"))
@_SYSCALL_SET_MEMPOLICY_NAME
@SYSC_RETVALSTR($ret)
}
|
