Add an UNSPEC_PROLOGUE_USE to prevent the link register from being considered dead.
[official-gcc.git] / gcc / ada / 1aexcept.ads
blobdaa60b36ed9d259477775bcc767e1f4335c394ee
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- A D A . E X C E P T I O N S --
6 -- (Version for No Exception Handlers) --
7 -- --
8 -- S p e c --
9 -- --
10 -- --
11 -- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
12 -- --
13 -- This specification is derived from the Ada Reference Manual for use with --
14 -- GNAT. The copyright notice above, and the license provisions that follow --
15 -- apply solely to the contents of the part following the private keyword. --
16 -- --
17 -- GNAT is free software; you can redistribute it and/or modify it under --
18 -- terms of the GNU General Public License as published by the Free Soft- --
19 -- ware Foundation; either version 2, or (at your option) any later ver- --
20 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
21 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
22 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
23 -- for more details. You should have received a copy of the GNU General --
24 -- Public License distributed with GNAT; see file COPYING. If not, write --
25 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
26 -- MA 02111-1307, USA. --
27 -- --
28 -- As a special exception, if other files instantiate generics from this --
29 -- unit, or you link this unit with other files to produce an executable, --
30 -- this unit does not by itself cause the resulting executable to be --
31 -- covered by the GNU General Public License. This exception does not --
32 -- however invalidate any other reasons why the executable file might be --
33 -- covered by the GNU Public License. --
34 -- --
35 -- GNAT was originally developed by the GNAT team at New York University. --
36 -- Extensive contributions were provided by Ada Core Technologies Inc. --
37 -- --
38 ------------------------------------------------------------------------------
40 -- This version is for use when the restriction No_Exception_Handlers
41 -- is enabled.
43 with System;
45 package Ada.Exceptions is
47 type Exception_Id is private;
49 Null_Id : constant Exception_Id;
51 procedure Raise_Exception (E : Exception_Id; Message : String := "");
52 -- Unconditionally call __gnat_last_chance_handler.
53 -- Message should be a null terminated string.
54 pragma No_Return (Raise_Exception);
56 private
58 ------------------
59 -- Exception_Id --
60 ------------------
62 type Exception_Id is new System.Address;
63 Null_Id : constant Exception_Id := Exception_Id (System.Null_Address);
65 pragma Inline_Always (Raise_Exception);
67 end Ada.Exceptions;