-- CD30002.A
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-- CD30002.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that the implementation supports Alignments for subtypes and
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-- Check that the implementation supports Alignments for subtypes and
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-- objects specified as factors and multiples of the number of storage
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-- objects specified as factors and multiples of the number of storage
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-- elements per word, unless those values cannot be loaded and stored.
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-- elements per word, unless those values cannot be loaded and stored.
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-- Check that the largest alignment returned by default is supported.
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-- Check that the largest alignment returned by default is supported.
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--
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--
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-- Check that the implementation supports Alignments supported by the
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-- Check that the implementation supports Alignments supported by the
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-- target linker for stand-alone library-level objects of statically
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-- target linker for stand-alone library-level objects of statically
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-- constrained subtypes.
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-- constrained subtypes.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- This test defines several types and objects, specifying various
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-- This test defines several types and objects, specifying various
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-- alignments for them (as factors and multiples of the number of
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-- alignments for them (as factors and multiples of the number of
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-- storage elements per word). It then checks the alignments by
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-- storage elements per word). It then checks the alignments by
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-- declaring some objects, and checking that the integer values of
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-- declaring some objects, and checking that the integer values of
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-- their addresses is mod the specified alignment. This will not
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-- their addresses is mod the specified alignment. This will not
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-- prevent false passes where the lucky compiler gets it right by
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-- prevent false passes where the lucky compiler gets it right by
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-- chance, but will catch compilers that specifically do not obey
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-- chance, but will catch compilers that specifically do not obey
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-- the alignment clauses.
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-- the alignment clauses.
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--
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--
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-- APPLICABILITY CRITERIA:
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-- APPLICABILITY CRITERIA:
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-- All implementations must attempt to compile this test.
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-- All implementations must attempt to compile this test.
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--
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--
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-- For implementations validating against Systems Programming Annex (C):
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-- For implementations validating against Systems Programming Annex (C):
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-- this test must execute and report PASSED.
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-- this test must execute and report PASSED.
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--
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--
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-- For implementations not validating against Annex C:
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-- For implementations not validating against Annex C:
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-- this test may report compile time errors at one or more points
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-- this test may report compile time errors at one or more points
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-- indicated by "-- ANX-C RQMT", in which case it may be graded as inapplicable.
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-- indicated by "-- ANX-C RQMT", in which case it may be graded as inapplicable.
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-- Otherwise, the test must execute and report PASSED.
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-- Otherwise, the test must execute and report PASSED.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 22 JUL 95 SAIC Initial version
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-- 22 JUL 95 SAIC Initial version
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-- 09 MAY 96 SAIC Strengthened for 2.1
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-- 09 MAY 96 SAIC Strengthened for 2.1
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-- 26 FEB 97 PWB.CTA Allowed for unexpected word sizes
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-- 26 FEB 97 PWB.CTA Allowed for unexpected word sizes
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-- 16 FEB 98 EDS Modified documentation.
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-- 16 FEB 98 EDS Modified documentation.
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-- 26 SEP 98 RLB Fixed value on line 130 so check and dec. match.
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-- 26 SEP 98 RLB Fixed value on line 130 so check and dec. match.
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-- 30 OCT 98 RLB Split Multiple_Alignment and revised the
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-- 30 OCT 98 RLB Split Multiple_Alignment and revised the
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-- calculation to work on all targets.
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-- calculation to work on all targets.
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-- 18 JAN 99 RLB Repaired again to work on targets where word size
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-- 18 JAN 99 RLB Repaired again to work on targets where word size
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-- equals storage unit.
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-- equals storage unit.
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--!
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--!
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----------------------------------------------------------------- CD30002_0
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----------------------------------------------------------------- CD30002_0
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with Impdef;
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with Impdef;
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with System.Storage_Elements;
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with System.Storage_Elements;
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package CD30002_0 is
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package CD30002_0 is
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S_Units_per_Word : constant := System.Word_Size/System.Storage_Unit;
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S_Units_per_Word : constant := System.Word_Size/System.Storage_Unit;
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-- Must be 1 or greater.
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-- Must be 1 or greater.
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Multiple_Type_Alignment : constant :=
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Multiple_Type_Alignment : constant :=
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Integer'Min ( Impdef.Max_Default_Alignment,
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Integer'Min ( Impdef.Max_Default_Alignment,
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2 * S_Units_per_Word );
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2 * S_Units_per_Word );
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-- Calculate a reasonable alignment, but not larger than the
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-- Calculate a reasonable alignment, but not larger than the
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-- implementation is required to support.
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-- implementation is required to support.
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Multiple_Object_Alignment : constant :=
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Multiple_Object_Alignment : constant :=
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Integer'Min ( Impdef.Max_Linker_Alignment,
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Integer'Min ( Impdef.Max_Linker_Alignment,
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2 * S_Units_per_Word );
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2 * S_Units_per_Word );
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-- Calculate a reasonable object alignment, but not larger than
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-- Calculate a reasonable object alignment, but not larger than
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-- the implementation is required to support.
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-- the implementation is required to support.
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Small_Alignment : constant :=
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Small_Alignment : constant :=
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Integer'Max ( S_Units_per_Word / 2, 1);
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Integer'Max ( S_Units_per_Word / 2, 1);
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-- Calculate a reasonable small alignment, but not less than 1.
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-- Calculate a reasonable small alignment, but not less than 1.
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-- (If S_Units_per_Word = 1, 1/2 => 0 which causes problems
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-- (If S_Units_per_Word = 1, 1/2 => 0 which causes problems
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-- verifying alignment.)
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-- verifying alignment.)
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subtype Storage_Element is System.Storage_Elements.Storage_Element;
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subtype Storage_Element is System.Storage_Elements.Storage_Element;
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type Some_Stuff is array(1..S_Units_Per_Word) of Storage_Element;
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type Some_Stuff is array(1..S_Units_Per_Word) of Storage_Element;
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for Some_Stuff'Alignment
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for Some_Stuff'Alignment
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use Impdef.Max_Default_Alignment; -- ANX-C RQMT.
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use Impdef.Max_Default_Alignment; -- ANX-C RQMT.
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Library_Level_Object : Some_Stuff;
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Library_Level_Object : Some_Stuff;
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for Library_Level_Object'Alignment
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for Library_Level_Object'Alignment
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use Impdef.Max_Linker_Alignment; -- ANX-C RQMT.
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use Impdef.Max_Linker_Alignment; -- ANX-C RQMT.
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type Quarter is mod 4; -- two bits
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type Quarter is mod 4; -- two bits
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for Quarter'Alignment use Small_Alignment; -- ANX-C RQMT.
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for Quarter'Alignment use Small_Alignment; -- ANX-C RQMT.
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type Half is mod 16; -- nibble
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type Half is mod 16; -- nibble
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for Half'Alignment use Multiple_Type_Alignment; -- ANX-C RQMT.
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for Half'Alignment use Multiple_Type_Alignment; -- ANX-C RQMT.
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type O_Some_Stuff is array(1..S_Units_Per_Word) of Storage_Element;
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type O_Some_Stuff is array(1..S_Units_Per_Word) of Storage_Element;
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type O_Quarter is mod 4; -- two bits
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type O_Quarter is mod 4; -- two bits
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type O_Half is mod 16; -- nibble
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type O_Half is mod 16; -- nibble
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end CD30002_0;
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end CD30002_0;
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-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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-- there is no package body CD30002_0
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-- there is no package body CD30002_0
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------------------------------------------------------------------- CD30002
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------------------------------------------------------------------- CD30002
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with Report;
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with Report;
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with Impdef;
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with Impdef;
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with CD30002_0;
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with CD30002_0;
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with System.Storage_Elements;
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with System.Storage_Elements;
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procedure CD30002 is
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procedure CD30002 is
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My_Stuff : CD30002_0.Some_Stuff;
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My_Stuff : CD30002_0.Some_Stuff;
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-- Impdef.Max_Default_Alignment
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-- Impdef.Max_Default_Alignment
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My_Quarter : CD30002_0.Quarter;
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My_Quarter : CD30002_0.Quarter;
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-- CD30002_0.S_Units_per_Word / 2
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-- CD30002_0.S_Units_per_Word / 2
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My_Half : CD30002_0.Half;
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My_Half : CD30002_0.Half;
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-- CD30002_0.S_Units_per_Word * 2
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-- CD30002_0.S_Units_per_Word * 2
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Stuff_Object : CD30002_0.O_Some_Stuff;
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Stuff_Object : CD30002_0.O_Some_Stuff;
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for Stuff_Object'Alignment
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for Stuff_Object'Alignment
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use Impdef.Max_Default_Alignment; -- ANX-C RQMT.
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use Impdef.Max_Default_Alignment; -- ANX-C RQMT.
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Quarter_Object : CD30002_0.O_Quarter;
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Quarter_Object : CD30002_0.O_Quarter;
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for Quarter_Object'Alignment
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for Quarter_Object'Alignment
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use CD30002_0.Small_Alignment; -- ANX-C RQMT.
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use CD30002_0.Small_Alignment; -- ANX-C RQMT.
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Half_Object : CD30002_0.O_Half;
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Half_Object : CD30002_0.O_Half;
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for Half_Object'Alignment
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for Half_Object'Alignment
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use CD30002_0.Multiple_Object_Alignment; -- ANX-C RQMT.
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use CD30002_0.Multiple_Object_Alignment; -- ANX-C RQMT.
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subtype IntAdd is System.Storage_Elements.Integer_Address;
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subtype IntAdd is System.Storage_Elements.Integer_Address;
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use type System.Storage_Elements.Integer_Address;
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use type System.Storage_Elements.Integer_Address;
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function A2I(Value: System.Address) return IntAdd renames
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function A2I(Value: System.Address) return IntAdd renames
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System.Storage_Elements.To_Integer;
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System.Storage_Elements.To_Integer;
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NAC : constant String := " not aligned correctly";
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NAC : constant String := " not aligned correctly";
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begin -- Main test procedure.
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begin -- Main test procedure.
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Report.Test ("CD30002", "Check that the implementation supports " &
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Report.Test ("CD30002", "Check that the implementation supports " &
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"Alignments for subtypes and objects specified " &
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"Alignments for subtypes and objects specified " &
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"as factors and multiples of the number of " &
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"as factors and multiples of the number of " &
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"storage elements per word, unless those values " &
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"storage elements per word, unless those values " &
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"cannot be loaded and stored. Check that the " &
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"cannot be loaded and stored. Check that the " &
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"largest alignment returned by default is " &
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"largest alignment returned by default is " &
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"supported. Check that the implementation " &
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"supported. Check that the implementation " &
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"supports Alignments supported by the target " &
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"supports Alignments supported by the target " &
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"linker for stand-alone library-level objects " &
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"linker for stand-alone library-level objects " &
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"of statically constrained subtypes" );
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"of statically constrained subtypes" );
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if A2I(CD30002_0.Library_Level_Object'Address)
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if A2I(CD30002_0.Library_Level_Object'Address)
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mod Impdef.Max_Linker_Alignment /= 0 then
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mod Impdef.Max_Linker_Alignment /= 0 then
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Report.Failed("Library_Level_Object" & NAC);
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Report.Failed("Library_Level_Object" & NAC);
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end if;
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end if;
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if A2I(My_Stuff'Address) mod Impdef.Max_Default_Alignment /= 0 then
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if A2I(My_Stuff'Address) mod Impdef.Max_Default_Alignment /= 0 then
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Report.Failed("Max alignment subtype" & NAC);
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Report.Failed("Max alignment subtype" & NAC);
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end if;
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end if;
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if A2I(My_Quarter'Address) mod (CD30002_0.Small_Alignment) /= 0 then
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if A2I(My_Quarter'Address) mod (CD30002_0.Small_Alignment) /= 0 then
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Report.Failed("Factor of words subtype" & NAC);
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Report.Failed("Factor of words subtype" & NAC);
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end if;
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end if;
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if A2I(My_Half'Address) mod (CD30002_0.Multiple_Type_Alignment) /= 0 then
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if A2I(My_Half'Address) mod (CD30002_0.Multiple_Type_Alignment) /= 0 then
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Report.Failed("Multiple of words subtype" & NAC);
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Report.Failed("Multiple of words subtype" & NAC);
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end if;
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end if;
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if A2I(Stuff_Object'Address) mod Impdef.Max_Default_Alignment /= 0 then
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if A2I(Stuff_Object'Address) mod Impdef.Max_Default_Alignment /= 0 then
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Report.Failed("Stuff alignment object" & NAC);
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Report.Failed("Stuff alignment object" & NAC);
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end if;
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end if;
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if A2I(Quarter_Object'Address)
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if A2I(Quarter_Object'Address)
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mod (CD30002_0.Small_Alignment) /= 0 then
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mod (CD30002_0.Small_Alignment) /= 0 then
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Report.Failed("Factor of words object" & NAC);
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Report.Failed("Factor of words object" & NAC);
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end if;
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end if;
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if A2I(Half_Object'Address) mod (CD30002_0.Multiple_Object_Alignment) /= 0 then
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if A2I(Half_Object'Address) mod (CD30002_0.Multiple_Object_Alignment) /= 0 then
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Report.Failed("Multiple of words object" & NAC);
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Report.Failed("Multiple of words object" & NAC);
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end if;
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end if;
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Report.Result;
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Report.Result;
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end CD30002;
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end CD30002;
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