Add an UNSPEC_PROLOGUE_USE to prevent the link register from being considered dead.
[official-gcc.git] / gcc / ada / s-wwdwch.ads
blob06f8fcc14e4d02e46ee1a579e5905e70784ca06f
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUNTIME COMPONENTS --
4 -- --
5 -- S Y S T E M . W W D _ W C H A R --
6 -- --
7 -- S p e c --
8 -- --
9 -- --
10 -- Copyright (C) 1992,1993,1994 Free Software Foundation, Inc. --
11 -- --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
22 -- --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
29 -- --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 -- --
33 ------------------------------------------------------------------------------
35 -- This package contains the routine used for Wide_Character'Wide_Width
37 package System.Wwd_WChar is
38 pragma Pure (Wwd_WChar);
40 function Wide_Width_Wide_Character
41 (Lo, Hi : Wide_Character)
42 return Natural;
43 -- Compute Wide_Width attribute for non-static type derived from
44 -- Wide_Character. The arguments are the low and high bounds for
45 -- the type. EM is the wide-character encoding method.
47 end System.Wwd_WChar;