#! /bin/sh

# Copyright (C) 2017 Red Hat, Inc.

# This file is part of elfutils.

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# elfutils is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. $srcdir/test-subr.sh

# Tests exprloc for an Ada record variants byte_size.

# = pck.ads

#

# with System;

#

# package Pck is

#

#    type One_To_Five is range 1 .. 5;

#

#    type Rec (Discr : One_To_Five) is

#    record

#       case Discr is

#          when 1 => Field1 : Integer;

#          when 4 => null;

#          when 3 => Field3 : Boolean;

#          when 5 => null;

#          when others => null;

#       end case;

#    end record;

#

#    procedure Do_Nothing (A : System.Address);

#

# end Pck;

# = pck.adb

#

# package body Pck is

#

#    procedure Do_Nothing (A : System.Address) is

#    begin

#       null;

#    end Do_Nothing;

#

# end Pck;

# = foo.adb

#

# with Pck; use Pck;

#

# procedure Foo is

#

#    R : Rec (1);

#

# begin

#    Do_Nothing (R'Address);

# end Foo;

# gnatmake -g -fgnat-encodings=minimal foo.adb -cargs

testfiles testfile-ada-variant

tempfiles testfile.temp testfile2.temp

testrun ${abs_top_builddir}/src/readelf --debug-dump=info \

        testfile-ada-variant > testfile.temp

grep -A6 byte_size testfile.temp | grep -A6 exprloc > testfile2.temp

diff -u testfile2.temp - <

             byte_size            (exprloc) 

              [ 0] push_object_address

              [ 1] deref_size 1

              [ 3] call4 [    95]

              [ 8] plus_uconst 7

              [10] const1s -4

              [12] and

EOF

exit 0