#! /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
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
import (GNU_ref_alt) [ b]
[ 2b] pointer_type
byte_size (data1) 8
type (GNU_ref_alt) [ 53]
[ 31] subprogram
external (flag_present)
name (strp) "main"
decl_file (data1) 1
decl_line (data1) 3
prototyped (flag_present)
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)
sibling (ref_udata) [ 6e]
[ 48] formal_parameter
name (strp) "argc"
decl_file (data1) 1
decl_line (data1) 3
type (GNU_ref_alt) [ 3e]
location (exprloc)
[ 0] fbreg -36
[ 56] formal_parameter
name (strp) "argv"
decl_file (data1) 1
decl_line (data1) 3
type (ref_udata) [ 6e]
location (exprloc)
[ 0] fbreg -48
[ 61] variable
name (string) "b"
decl_file (data1) 1
decl_line (data1) 5
type (GNU_ref_alt) [ 5a]
location (exprloc)
[ 0] fbreg -32
[ 6e] pointer_type
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
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
import (GNU_ref_alt) [ b]
[ 2b] pointer_type
byte_size (data1) 8
type (GNU_ref_alt) [ 53]
[ 31] subprogram
external (flag_present)
name (strp) "main"
decl_file (data1) 1
decl_line (data1) 3
prototyped (flag_present)
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)
sibling (ref_udata) [ 6e]
[ 48] formal_parameter
name (strp) "argc"
decl_file (data1) 1
decl_line (data1) 3
type (GNU_ref_alt) [ 3e]
location (exprloc)
[ 0] fbreg -36
[ 56] formal_parameter
name (strp) "argv"
decl_file (data1) 1
decl_line (data1) 3
type (ref_udata) [ 6e]
location (exprloc)
[ 0] fbreg -48
[ 61] variable
name (string) "b"
decl_file (data1) 1
decl_line (data1) 5
type (GNU_ref_alt) [ 5a]
location (exprloc)
[ 0] fbreg -32
[ 6e] pointer_type
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
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
import (GNU_ref_alt) [ b]
[ 2b] subprogram
external (flag_present)
name (strp) "call_foo"
decl_file (data1) 1
decl_line (data1) 3
prototyped (flag_present)
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)
[ 41] formal_parameter
name (string) "fb"
decl_file (data1) 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
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
import (GNU_ref_alt) [ b]
[ 2b] subprogram
external (flag_present)
name (strp) "call_foo"
decl_file (data1) 1
decl_line (data1) 3
prototyped (flag_present)
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)
[ 41] formal_parameter
name (string) "fb"
decl_file (data1) 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
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
import (GNU_ref_alt) [ b]
[ 2b] subprogram
external (flag_present)
name (GNU_strp_alt) "main"
decl_file (data1) 1
decl_line (data1) 8
prototyped (flag_present)
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)
[ 41] formal_parameter
name (GNU_strp_alt) "argc"
decl_file (data1) 1
decl_line (data1) 8
type (GNU_ref_alt) [ 30]
location (exprloc)
[ 0] fbreg -36
[ 4f] formal_parameter
name (GNU_strp_alt) "argv"
decl_file (data1) 1
decl_line (data1) 8
type (GNU_ref_alt) [ 41]
location (exprloc)
[ 0] fbreg -48
[ 5d] variable
name (string) "fbb"
decl_file (data1) 1
decl_line (data1) 10
type (GNU_ref_alt) [ 14]
location (exprloc)
[ 0] fbreg -32
EOF
exit 0