Add an UNSPEC_PROLOGUE_USE to prevent the link register from being considered dead.
[official-gcc.git] / gcc / ada / gnat1drv.ads
blob982a68badcfbb05b1ab4692610df5e07200f8049
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- G N A T 1 D R V --
6 -- --
7 -- S p e c --
8 -- --
9 -- --
10 -- Copyright (C) 1992,1993,1994,1995 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 -- GNAT was originally developed by the GNAT team at New York University. --
24 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 -- --
26 ------------------------------------------------------------------------------
28 -- Main procedure for the GNAT compiler
30 -- This driver processes a single main unit, generating output object code
32 -- file.ad[sb] ---> front-end ---> back-end ---> file.o
34 procedure Gnat1drv;