1#@!#!123s

: / usr / share / systemtap / tapset / linux /
Filename : sysc_pselect7.stp
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# pselect7 _____________________________________________________
#
# long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp,
#	fd_set __user *exp, struct timespec __user *tsp,
#	const sigset_t __user *sigmask, size_t sigsetsize)
#

@define _SYSCALL_PSELECT7_NAME
%(
	name = "pselect7"
%)

@define _SYSCALL_PSELECT7_ARGSTR
%(
	argstr = sprintf("%d, %p, %p, %p, %s, %p, %d", nfds, readfds, writefds,
	                 exceptfds, timeout_str, sigmask, sigsetsize)
%)

probe syscall.pselect7 = dw_syscall.pselect7 !, nd_syscall.pselect7 ? {}
probe syscall.pselect7.return = dw_syscall.pselect7.return !,
                                nd_syscall.pselect7.return ? {}

# dw_pselect7 _____________________________________________________

probe dw_syscall.pselect7 = kernel.function("sys_pselect7").call ?
{
	@__syscall_gate(@const("__NR_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	nfds = __int32($n)
	readfds = $inp
	writefds = $outp
	exceptfds = $exp
	timeout = $tsp
	timeout_str = _struct_timespec_u(timeout, 1)
	sigmask = $sig
	sigsetsize = $sigsetsize
	@_SYSCALL_PSELECT7_ARGSTR
}
probe dw_syscall.pselect7.return = kernel.function("sys_pselect7").return ?
{
	@__syscall_gate(@const("__NR_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	@SYSC_RETVALSTR($return)
}

# nd_pselect7 _____________________________________________________

probe nd_syscall.pselect7 = kprobe.function("sys_pselect7") ?
{
	@__syscall_gate(@const("__NR_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	asmlinkage()
	nfds = int_arg(1)
	readfds = pointer_arg(2)
	writefds = pointer_arg(3)
	exceptfds = pointer_arg(4)
	timeout = pointer_arg(5)
	timeout_str = _struct_timespec_u(timeout, 1)
	sigmask = pointer_arg(6)
	sigsetsize = ulong_arg(7)
	@_SYSCALL_PSELECT7_ARGSTR
}
probe nd_syscall.pselect7.return = kprobe.function("sys_pselect7").return ?
{
	@__syscall_gate(@const("__NR_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	@SYSC_RETVALSTR(returnval())
}
# compat_pselect7 ______________________________________________

probe syscall.compat_pselect7 = dw_syscall.compat_pselect7 !,
                                nd_syscall.compat_pselect7 ? {}
probe syscall.compat_pselect7.return = dw_syscall.compat_pselect7.return !,
                                       nd_syscall.compat_pselect7.return ? {}

# dw_compat_pselect7 _____________________________________________________

probe dw_syscall.compat_pselect7 = kernel.function("compat_sys_pselect7").call ?
{
	@__compat_syscall_gate(@const("__NR_compat_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	nfds = __int32($n)
	readfds = @__pointer($inp)
	writefds = @__pointer($outp)
	exceptfds = @__pointer($exp)
	timeout = @__pointer($tsp)
	timeout_str = _struct_compat_timespec_u(timeout, 1)
	sigmask = $sig
	sigsetsize = $sigsetsize
	@_SYSCALL_PSELECT7_ARGSTR
}
probe dw_syscall.compat_pselect7.return = kernel.function("compat_sys_pselect7").return ?
{
	@__compat_syscall_gate(@const("__NR_compat_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	@SYSC_RETVALSTR($return)
}

# nd_compat_pselect7 _____________________________________________________

probe nd_syscall.compat_pselect7 = kprobe.function("compat_sys_pselect7") ?
{
	@__compat_syscall_gate(@const("__NR_compat_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	asmlinkage()
	nfds = int_arg(1)
	readfds = pointer_arg(2)
	writefds = pointer_arg(3)
	exceptfds = pointer_arg(4)
	timeout = pointer_arg(5)
	timeout_str = _struct_compat_timespec_u(timeout, 1)
	sigmask = pointer_arg(6)
	sigsetsize = ulong_arg(7)
	@_SYSCALL_PSELECT7_ARGSTR
}
probe nd_syscall.compat_pselect7.return = kprobe.function("compat_sys_pselect7").return ?
{
	@__compat_syscall_gate(@const("__NR_compat_pselect7"))
	@_SYSCALL_PSELECT7_NAME
	@SYSC_RETVALSTR(returnval())
}