#! /bin/sh

# Copyright (C) 2012, 2013 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

# common.h

#

# #include <stdio.h>

#

# struct foobar

# {

#   int foo;

#   struct foobar *bar;

# };

#

# extern int call_foo(struct foobar *foobar_struct_ptr);

# main.c

#

# #include "common.h"

#

# int main(int argc, char ** argv)

# {

#   struct foobar b;

#   b.foo = 42;

#   b.bar = &b;

#

#   return call_foo(b.bar);

# }

# shared.c

#

# #include "common.h"

#

# int call_foo(struct foobar *fb)

# {

#   return fb->bar->foo - 42;

# }

# gcc -fPIC -g -c -Wall shared.c

# gcc -shared -o libtestfile_multi_shared.so shared.o

# gcc -g -o testfile_multi_main -L. -ltestfile_multi_shared main.c -Wl,-rpath,.

# dwz -m testfile_multi.dwz testfile_multi_main libtestfile_multi_shared.so

# main.c

#

# struct foobarbaz

# {

#   int counter;

#   char *bookstore;

# };

#

# int

# main (int argc, char **argv)

# {

#   struct foobarbaz fbb;

#   return 0;

# }

# gcc -g -o testfile-dwzstr main.c

# cp testfile-dwzstr testfile-dwzstr.alt

# dwz -m testfile-dwzstr.multi testfile-dwzstr testfile-dwzstr.alt

testfiles libtestfile_multi_shared.so testfile_multi_main testfile_multi.dwz

testfiles testfile-dwzstr testfile-dwzstr.multi

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info testfile_multi_main <<\EOF

DWARF section [28] '.debug_info' at offset 0x1078:

 [Offset]

 Compilation unit at offset 0:

 Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4

 [     b]  compile_unit         abbrev: 6

           producer             (strp) "GNU C 4.7.0 20120507 (Red Hat 4.7.0-5) -mtune=generic -march=x86-64 -g"

           language             (data1) C89 (1)

           name                 (strp) "main.c"

           comp_dir             (GNU_strp_alt) "/home/mark/src/tests/dwz"

           low_pc               (addr) 0x00000000004006ac <main>

           high_pc              (udata) 44 (0x00000000004006d8)

           stmt_list            (sec_offset) 0

 [    26]    imported_unit        abbrev: 5

             import               (GNU_ref_alt) [     b]

 [    2b]    pointer_type         abbrev: 1

             byte_size            (data1) 8

             type                 (GNU_ref_alt) [    53]

 [    31]    subprogram           abbrev: 3

             external             (flag_present) yes

             name                 (strp) "main"

             decl_file            (data1) main.c (1)

             decl_line            (data1) 3

             prototyped           (flag_present) yes

             type                 (GNU_ref_alt) [    3e]

             low_pc               (addr) 0x00000000004006ac <main>

             high_pc              (udata) 44 (0x00000000004006d8)

             frame_base           (exprloc) 

              [ 0] call_frame_cfa

             GNU_all_tail_call_sites (flag_present) yes

             sibling              (ref_udata) [    6e]

 [    48]      formal_parameter     abbrev: 8

               name                 (strp) "argc"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 3

               type                 (GNU_ref_alt) [    3e]

               location             (exprloc) 

                [ 0] fbreg -36

 [    56]      formal_parameter     abbrev: 4

               name                 (strp) "argv"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 3

               type                 (ref_udata) [    6e]

               location             (exprloc) 

                [ 0] fbreg -48

 [    61]      variable             abbrev: 7

               name                 (string) "b"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 5

               type                 (GNU_ref_alt) [    5a]

               location             (exprloc) 

                [ 0] fbreg -32

 [    6e]    pointer_type         abbrev: 2

             byte_size            (data1) 8

             type                 (ref_udata) [    2b]

EOF

# Same as above, but find alt debug file in a .dwz subdir.

mkdir .dwz

mv testfile_multi.dwz .dwz

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info testfile_multi_main <<\EOF

DWARF section [28] '.debug_info' at offset 0x1078:

 [Offset]

 Compilation unit at offset 0:

 Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4

 [     b]  compile_unit         abbrev: 6

           producer             (strp) "GNU C 4.7.0 20120507 (Red Hat 4.7.0-5) -mtune=generic -march=x86-64 -g"

           language             (data1) C89 (1)

           name                 (strp) "main.c"

           comp_dir             (GNU_strp_alt) "/home/mark/src/tests/dwz"

           low_pc               (addr) 0x00000000004006ac <main>

           high_pc              (udata) 44 (0x00000000004006d8)

           stmt_list            (sec_offset) 0

 [    26]    imported_unit        abbrev: 5

             import               (GNU_ref_alt) [     b]

 [    2b]    pointer_type         abbrev: 1

             byte_size            (data1) 8

             type                 (GNU_ref_alt) [    53]

 [    31]    subprogram           abbrev: 3

             external             (flag_present) yes

             name                 (strp) "main"

             decl_file            (data1) main.c (1)

             decl_line            (data1) 3

             prototyped           (flag_present) yes

             type                 (GNU_ref_alt) [    3e]

             low_pc               (addr) 0x00000000004006ac <main>

             high_pc              (udata) 44 (0x00000000004006d8)

             frame_base           (exprloc) 

              [ 0] call_frame_cfa

             GNU_all_tail_call_sites (flag_present) yes

             sibling              (ref_udata) [    6e]

 [    48]      formal_parameter     abbrev: 8

               name                 (strp) "argc"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 3

               type                 (GNU_ref_alt) [    3e]

               location             (exprloc) 

                [ 0] fbreg -36

 [    56]      formal_parameter     abbrev: 4

               name                 (strp) "argv"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 3

               type                 (ref_udata) [    6e]

               location             (exprloc) 

                [ 0] fbreg -48

 [    61]      variable             abbrev: 7

               name                 (string) "b"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 5

               type                 (GNU_ref_alt) [    5a]

               location             (exprloc) 

                [ 0] fbreg -32

 [    6e]    pointer_type         abbrev: 2

             byte_size            (data1) 8

             type                 (ref_udata) [    2b]

EOF

mv .dwz/testfile_multi.dwz .

rmdir .dwz

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info libtestfile_multi_shared.so <<\EOF

DWARF section [25] '.debug_info' at offset 0x106c:

 [Offset]

 Compilation unit at offset 0:

 Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4

 [     b]  compile_unit         abbrev: 3

           producer             (strp) "GNU C 4.7.0 20120507 (Red Hat 4.7.0-5) -fpreprocessed -mtune=generic -march=x86-64 -g -fPIC"

           language             (data1) C89 (1)

           name                 (strp) "shared.c"

           comp_dir             (GNU_strp_alt) "/home/mark/src/tests/dwz"

           low_pc               (addr) +0x0000000000000670 <call_foo>

           high_pc              (udata) 23 (+0x0000000000000687)

           stmt_list            (sec_offset) 0

 [    26]    imported_unit        abbrev: 2

             import               (GNU_ref_alt) [     b]

 [    2b]    subprogram           abbrev: 1

             external             (flag_present) yes

             name                 (strp) "call_foo"

             decl_file            (data1) shared.c (1)

             decl_line            (data1) 3

             prototyped           (flag_present) yes

             type                 (GNU_ref_alt) [    3e]

             low_pc               (addr) +0x0000000000000670 <call_foo>

             high_pc              (udata) 23 (+0x0000000000000687)

             frame_base           (exprloc) 

              [ 0] call_frame_cfa

             GNU_all_call_sites   (flag_present) yes

 [    41]      formal_parameter     abbrev: 4

               name                 (string) "fb"

               decl_file            (data1) shared.c (1)

               decl_line            (data1) 3

               type                 (GNU_ref_alt) [    76]

               location             (exprloc) 

                [ 0] fbreg -24

EOF

# Same as above, but find alt debug file in a .dwz subdir.

mkdir .dwz

mv testfile_multi.dwz .dwz

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info libtestfile_multi_shared.so <<\EOF

DWARF section [25] '.debug_info' at offset 0x106c:

 [Offset]

 Compilation unit at offset 0:

 Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4

 [     b]  compile_unit         abbrev: 3

           producer             (strp) "GNU C 4.7.0 20120507 (Red Hat 4.7.0-5) -fpreprocessed -mtune=generic -march=x86-64 -g -fPIC"

           language             (data1) C89 (1)

           name                 (strp) "shared.c"

           comp_dir             (GNU_strp_alt) "/home/mark/src/tests/dwz"

           low_pc               (addr) +0x0000000000000670 <call_foo>

           high_pc              (udata) 23 (+0x0000000000000687)

           stmt_list            (sec_offset) 0

 [    26]    imported_unit        abbrev: 2

             import               (GNU_ref_alt) [     b]

 [    2b]    subprogram           abbrev: 1

             external             (flag_present) yes

             name                 (strp) "call_foo"

             decl_file            (data1) shared.c (1)

             decl_line            (data1) 3

             prototyped           (flag_present) yes

             type                 (GNU_ref_alt) [    3e]

             low_pc               (addr) +0x0000000000000670 <call_foo>

             high_pc              (udata) 23 (+0x0000000000000687)

             frame_base           (exprloc) 

              [ 0] call_frame_cfa

             GNU_all_call_sites   (flag_present) yes

 [    41]      formal_parameter     abbrev: 4

               name                 (string) "fb"

               decl_file            (data1) shared.c (1)

               decl_line            (data1) 3

               type                 (GNU_ref_alt) [    76]

               location             (exprloc) 

                [ 0] fbreg -24

EOF

mv .dwz/testfile_multi.dwz .

rmdir .dwz

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=info testfile-dwzstr <<\EOF

DWARF section [28] '.debug_info' at offset 0x1088:

 [Offset]

 Compilation unit at offset 0:

 Version: 4, Abbreviation section offset: 0, Address size: 8, Offset size: 4

 [     b]  compile_unit         abbrev: 5

           producer             (GNU_strp_alt) "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g"

           language             (data1) C89 (1)

           name                 (GNU_strp_alt) "main.c"

           comp_dir             (GNU_strp_alt) "/home/mark/src/tests"

           low_pc               (addr) 0x00000000004004ec <main>

           high_pc              (udata) 18 (0x00000000004004fe)

           stmt_list            (sec_offset) 0

 [    26]    imported_unit        abbrev: 2

             import               (GNU_ref_alt) [     b]

 [    2b]    subprogram           abbrev: 4

             external             (flag_present) yes

             name                 (GNU_strp_alt) "main"

             decl_file            (data1) main.c (1)

             decl_line            (data1) 8

             prototyped           (flag_present) yes

             type                 (GNU_ref_alt) [    30]

             low_pc               (addr) 0x00000000004004ec <main>

             high_pc              (udata) 18 (0x00000000004004fe)

             frame_base           (exprloc) 

              [ 0] call_frame_cfa

             GNU_all_call_sites   (flag_present) yes

 [    41]      formal_parameter     abbrev: 1

               name                 (GNU_strp_alt) "argc"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 8

               type                 (GNU_ref_alt) [    30]

               location             (exprloc) 

                [ 0] fbreg -36

 [    4f]      formal_parameter     abbrev: 1

               name                 (GNU_strp_alt) "argv"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 8

               type                 (GNU_ref_alt) [    41]

               location             (exprloc) 

                [ 0] fbreg -48

 [    5d]      variable             abbrev: 3

               name                 (string) "fbb"

               decl_file            (data1) main.c (1)

               decl_line            (data1) 10

               type                 (GNU_ref_alt) [    14]

               location             (exprloc) 

                [ 0] fbreg -32

EOF

exit 0