Subversion Repositories openrisc_2011-10-31

-- CB1010D.ADA

--                             Grant of Unlimited Rights

--

--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,

--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 

--     unlimited rights in the software and documentation contained herein.

--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 

--     this public release, the Government intends to confer upon all 

--     recipients unlimited rights  equal to those held by the Government.  

--     These rights include rights to use, duplicate, release or disclose the 

--     released technical data and computer software in whole or in part, in 

--     any manner and for any purpose whatsoever, and to have or permit others 

--     to do so.

--

--                                    DISCLAIMER

--

--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR

--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 

--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE

--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 

--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A

--     PARTICULAR PURPOSE OF SAID MATERIAL.

--*

-- CHECK THAT STORAGE_ERROR IS RAISED WHEN STORAGE FOR THE EXECUTION OF

-- A SUBPROGRAM IS INSUFFICIENT.

-- PNH 8/26/85

-- JRK 8/30/85

WITH REPORT; USE REPORT;

PROCEDURE CB1010D IS

     N : INTEGER := IDENT_INT (1);

     M : INTEGER := IDENT_INT (0);

     PROCEDURE OVERFLOW_STACK IS

     BEGIN

          N := N + M;

          IF N > M THEN       -- ALWAYS TRUE.

               OVERFLOW_STACK;

          END IF;

          N := N - M;         -- TO PREVENT TAIL RECURSION OPTIMIZATION.

     END OVERFLOW_STACK;

BEGIN

     TEST ("CB1010D", "CHECK THAT STORAGE_ERROR IS RAISED WHEN " &

                      "STORAGE FOR THE EXECUTION OF A SUBPROGRAM " &

                      "IS INSUFFICIENT");

     -- CHECK HANDLING OF STORAGE_ERROR IN MAIN PROGRAM.

     BEGIN

          OVERFLOW_STACK;

          FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW - 1");

     EXCEPTION

          WHEN STORAGE_ERROR =>

               IF N /= 1 THEN

                    FAILED ("VALUE OF VARIABLE N ALTERED - 1");

               END IF;

          WHEN OTHERS =>

               FAILED ("WRONG EXCEPTION RAISED BY STACK OVERFLOW - 1");

     END;

     -- CHECK HANDLING OF STORAGE_ERROR IN SUBPROGRAM.

     DECLARE

          PROCEDURE P IS

          BEGIN

               OVERFLOW_STACK;

               FAILED ("EXCEPTION NOT RAISED BY STACK OVERFLOW - 2");

          EXCEPTION

               WHEN STORAGE_ERROR =>

                    IF N /= 1 THEN

                         FAILED ("VALUE OF VARIABLE N ALTERED - 2");

                    END IF;

               WHEN OTHERS =>

                    FAILED ("WRONG EXCEPTION RAISED BY STACK " &

                            "OVERFLOW - 2");

          END P;

     BEGIN

          N := IDENT_INT (1);

          P;

     END;

     RESULT;

END CB1010D;