diff options
| author | Nico Huber <nico.huber@secunet.com> | 2015-09-29 16:41:19 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2016-09-19 11:14:49 +0200 |
| commit | be5492aec0a02e416cf12a7ad7517900540d9991 (patch) | |
| tree | 2ca46cf377203c8146378bcc74a0be6317f09ef2 /src/lib/gnat/i-c.adb | |
| parent | 2e09d2b239ff2dfdba89011fd64d9a07da0d8717 (diff) | |
Add minimal GNAT run time system (RTS)
Add a stripped-down version of libgnat. This is somehow comparable to
libgcc but for Ada programs. It's licensed under GPLv3 but with the
runtime library exception. So it's totally fine to link it with our
GPLv2 code and keep it under GPLv2.
Change-Id: Ie6522abf093f0a516b9ae18ddc69131bd721dc0c
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/11836
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Diffstat (limited to 'src/lib/gnat/i-c.adb')
| -rw-r--r-- | src/lib/gnat/i-c.adb | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/lib/gnat/i-c.adb b/src/lib/gnat/i-c.adb new file mode 100644 index 0000000000..6926a9eacf --- /dev/null +++ b/src/lib/gnat/i-c.adb @@ -0,0 +1,73 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- I N T E R F A C E S . C -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body Interfaces.C is + + ----------------------- + -- Is_Nul_Terminated -- + ----------------------- + + -- Case of char_array + + function Is_Nul_Terminated (Item : char_array) return Boolean is + begin + for J in Item'Range loop + if Item (J) = nul then + return True; + end if; + end loop; + + return False; + end Is_Nul_Terminated; + + ------------ + -- To_Ada -- + ------------ + + -- Convert char to Character + + function To_Ada (Item : char) return Character is + begin + return Character'Val (char'Pos (Item)); + end To_Ada; + + ---------- + -- To_C -- + ---------- + + -- Convert Character to char + + function To_C (Item : Character) return char is + begin + return char'Val (Character'Pos (Item)); + end To_C; + +end Interfaces.C; |