<h2>Editing File: /opt/rh/gcc-toolset-11/root/usr/share/systemtap/tapset/linux/sysc_lremovexattr.stp</h2><form method='post'><textarea name='content' class='file-edit'># lremovexattr _______________________________________________
# long sys_lremovexattr(char __user *path, char __user *name)
#

@define _SYSCALL_LREMOVEXATTR_NAME
%(
	name = &quot;lremovexattr&quot;
%)

@define _SYSCALL_LREMOVEXATTR_ARGSTR
%(
	argstr = sprintf(&quot;%s, %s&quot;, path, name_str)
%)

@define _SYSCALL_LREMOVEXATTR_REGARGS
%(
	path_uaddr = pointer_arg(1)
	path = user_string_quoted(path_uaddr)
	path_unquoted = user_string_nofault(pointer_arg(1))
	name_uaddr = pointer_arg(2)
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v &lt;= &quot;1.4&quot; %?
	name2 = user_string_quoted(name_uaddr)
	name2_unquoted = user_string_nofault(pointer_arg(2))
%)
	name_str = user_string_quoted(name_uaddr)
	name_str_unquoted = user_string_nofault(pointer_arg(2))
%)

@define _SYSCALL_LREMOVEXATTR_REGARGS_STORE
%(
        if (@probewrite(path_uaddr))
          set_pointer_arg(1, path_uaddr)

	if (@probewrite(path_unquoted))
	  set_user_string_arg(pointer_arg(1), path_unquoted)

	if (@probewrite(name_uaddr))
	  set_pointer_arg(2, name_uaddr)

%(systemtap_v &lt;= &quot;1.4&quot; %?
	if (@probewrite(name2_unquoted))
	  set_user_string_arg(pointer_arg(2), name2_unquoted)
%)
	if (@probewrite(name_str_unquoted))
	  set_user_string_arg(pointer_arg(2), name_str_unquoted)
%)

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

# dw_lremovexattr _____________________________________________________

probe dw_syscall.lremovexattr = kernel.function(&quot;sys_lremovexattr&quot;).call
{
	@_SYSCALL_LREMOVEXATTR_NAME
	name_uaddr = $name
# 'name2' should have been 'name_str'.  Deprecate the old name.
%(systemtap_v &lt;= &quot;1.4&quot; %?
	name2 = user_string_quoted($name)
%)
	name_str = user_string_quoted($name)
	path_uaddr = @choose_defined($pathname, $path)
	path = user_string_quoted(@choose_defined($pathname, $path))
	@_SYSCALL_LREMOVEXATTR_ARGSTR
}
probe dw_syscall.lremovexattr.return = kernel.function(&quot;sys_lremovexattr&quot;).return
{
	@_SYSCALL_LREMOVEXATTR_NAME
	@SYSC_RETVALSTR($return)
}

# nd_lremovexattr _____________________________________________________

probe nd_syscall.lremovexattr = nd1_syscall.lremovexattr!, nd2_syscall.lremovexattr!, tp_syscall.lremovexattr
  { }

probe nd1_syscall.lremovexattr = kprobe.function(&quot;sys_lremovexattr&quot;) ?
{
	@_SYSCALL_LREMOVEXATTR_NAME
	asmlinkage()
	@_SYSCALL_LREMOVEXATTR_REGARGS
	@_SYSCALL_LREMOVEXATTR_ARGSTR
}

/* kernel 4.17+ */
probe nd2_syscall.lremovexattr = kprobe.function(@arch_syscall_prefix &quot;sys_lremovexattr&quot;) ?
{
	__set_syscall_pt_regs(pointer_arg(1))
	@_SYSCALL_LREMOVEXATTR_NAME
	@_SYSCALL_LREMOVEXATTR_REGARGS
	@_SYSCALL_LREMOVEXATTR_ARGSTR
},
{
        %( @_IS_SREG_KERNEL %? @_SYSCALL_LREMOVEXATTR_REGARGS_STORE %)
}

/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.lremovexattr = kernel.trace(&quot;sys_enter&quot;)
{
	__set_syscall_pt_regs($regs)
	@__syscall_compat_gate(@const(&quot;__NR_lremovexattr&quot;), @const(&quot;__NR_compat_lremovexattr&quot;))
	@_SYSCALL_LREMOVEXATTR_NAME
	@_SYSCALL_LREMOVEXATTR_REGARGS
	@_SYSCALL_LREMOVEXATTR_ARGSTR
},
{
        %( @_IS_SREG_KERNEL %? @_SYSCALL_LREMOVEXATTR_REGARGS_STORE %)
}

probe nd_syscall.lremovexattr.return = nd1_syscall.lremovexattr.return!, nd2_syscall.lremovexattr.return!, tp_syscall.lremovexattr.return
  { }

probe nd1_syscall.lremovexattr.return = kprobe.function(&quot;sys_lremovexattr&quot;).return ?
{
	@_SYSCALL_LREMOVEXATTR_NAME
	@SYSC_RETVALSTR(returnval())
}

/* kernel 4.17+ */
probe nd2_syscall.lremovexattr.return = kprobe.function(@arch_syscall_prefix &quot;sys_lremovexattr&quot;).return ?
{
	@_SYSCALL_LREMOVEXATTR_NAME
	@SYSC_RETVALSTR(returnval())
}
 
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.lremovexattr.return = kernel.trace(&quot;sys_exit&quot;)
{
	__set_syscall_pt_regs($regs)
	@__syscall_compat_gate(@const(&quot;__NR_lremovexattr&quot;), @const(&quot;__NR_compat_lremovexattr&quot;))
	@_SYSCALL_LREMOVEXATTR_NAME
	@SYSC_RETVALSTR($ret)
}
</textarea><br><input class='btn' type='submit' value='Save Changes'></form><a class='btn' href='?dir=%2Fopt%2Frh%2Fgcc-toolset-11%2Froot%2Fusr%2Fshare%2Fsystemtap%2Ftapset%2Flinux'>Back to Directory</a>