1#@!#!123s

: / usr / share / systemtap / tapset / linux / powerpc /
Filename : sysc_compat_set_mempolicy.stp
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# compat_set_mempolicy ________________________________________
#
# asmlinkage long compat_set_mempolicy(int mode, compat_ulong_t __user *nmask,
#				compat_ulong_t maxnode)
#

@define _SYSCALL_COMPAT_SET_MEMPOLICY_NAME
%(
	name = "compat_set_mempolicy"
%)

@define _SYSCALL_COMPAT_SET_MEMPOLICY_ARGSTR
%(
	argstr = sprintf("%d, %p, %d", policy, nodemask_uaddr, maxnode)
%)

probe syscall.compat_set_mempolicy = dw_syscall.compat_set_mempolicy !,
                                     nd_syscall.compat_set_mempolicy ? {}
probe syscall.compat_set_mempolicy.return = dw_syscall.compat_set_mempolicy.return !,
                                            nd_syscall.compat_set_mempolicy.return ? {}

# dw_compat_set_mempolicy _____________________________________________________

probe dw_syscall.compat_set_mempolicy = kernel.function("compat_set_mempolicy") ?
{
	@_SYSCALL_COMPAT_SET_MEMPOLICY_NAME
	policy = $mode
	nodemask_uaddr = $nmask
	maxnode = $maxnode
	@_SYSCALL_COMPAT_SET_MEMPOLICY_ARGSTR
}
probe dw_syscall.compat_set_mempolicy.return = kernel.function("compat_set_mempolicy").return ?
{
	@_SYSCALL_COMPAT_SET_MEMPOLICY_NAME
	@SYSC_RETVALSTR($return)
}

# nd_compat_set_mempolicy _____________________________________________________

probe nd_syscall.compat_set_mempolicy = kprobe.function("compat_set_mempolicy") ?
{
	@_SYSCALL_COMPAT_SET_MEMPOLICY_NAME
	asmlinkage()
	policy = int_arg(1)
	nodemask_uaddr = uint_arg(2)
	maxnode = uint_arg(3)
	@_SYSCALL_COMPAT_SET_MEMPOLICY_ARGSTR
}
probe nd_syscall.compat_set_mempolicy.return = kprobe.function("compat_set_mempolicy").return ?
{
	@_SYSCALL_COMPAT_SET_MEMPOLICY_NAME
	@SYSC_RETVALSTR(returnval())
}