Files
cuda/runtime/device_gnat/s-assert.adb
2022-12-02 14:12:07 -05:00

83 lines
3.7 KiB
Ada

------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . A S S E R T I O N S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2022, 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. --
-- --
------------------------------------------------------------------------------
with Interfaces.C; use Interfaces.C;
package body System.Assertions is
-- See CUDA API:
-- extern __host__ __device__ void
-- __assertfail(const char * __assertion,
-- const char *__file,
-- unsigned int __line,
-- const char *__function,
-- size_t charsize);
procedure Assert_Fail
(Assertion : char_array;
File : char_array;
Line : unsigned;
Func : char_array;
CharSize : size_t)
with Import,
Convention => C,
Link_Name => "__assertfail",
No_Return;
--------------------------
-- Raise_Assert_Failure --
--------------------------
procedure Raise_Assert_Failure (Msg : String) is
-- TODO: This procedure could be simpler, GNAT LLVM currently
-- has issues with constant arrays with ASCII.NUL symbols
-- as well as dynamic frames.
Empty_Str : char_array (1 .. 1);
Msg_With_Null : char_array (1 .. 400);
Last_Msg_Index : constant Integer :=
(if Msg'Length < Msg_With_Null'Length
then Msg'Length
else Msg_With_Null'Length - 1);
begin
Empty_Str (1) := char (ASCII.NUL);
for I in 1 .. Last_Msg_Index loop
Msg_With_Null (size_t (I)) := char (Msg (Msg'First + I - 1));
end loop;
Msg_With_Null (size_t (Msg'Length) + 1) := char (ASCII.NUL);
Assert_Fail (Msg_With_Null, Empty_Str, 0, Empty_Str, 1);
end Raise_Assert_Failure;
end System.Assertions;