1# Copyright 2013-2020 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16# PR 11786 (Gold and strip differ on memsz field of PT_TLS).
17# Generate a core file from the stripped version of the program,
18# and then try to debug the core with the unstripped version.
19
20standard_testfile
21
22if { [have_fuse_ld_gold] == 0} {
23    return -1
24}
25
26if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug additional_flags=-fpie "ldflags=-pie -fuse-ld=gold"}]} {
27    return -1
28}
29
30set stripped_binfile ${binfile}.stripped
31set gcorefile ${binfile}.gcore
32
33set strip_program [transform strip]
34remote_file host delete ${stripped_binfile}
35if [run_on_host "strip" "$strip_program" "-g -o ${stripped_binfile} $binfile"] {
36    return -1
37}
38
39# Workaround PR binutils/10802:
40# Preserve the 'x' bit also for PIEs (Position Independent Executables).
41set perm [file attributes ${binfile} -permissions]
42file attributes ${stripped_binfile} -permissions $perm
43
44clean_restart ${stripped_binfile}
45
46# The binary is stripped of debug info, but not minsyms.
47if ![runto break_here] {
48    fail "can't run to break_here"
49    return -1
50}
51
52if {![gdb_gcore_cmd $gcorefile "save a corefile"]} {
53    return -1
54}
55
56# Now restart gdb with the unstripped binary and load the corefile.
57
58clean_restart ${binfile}
59
60gdb_test "core ${gcorefile}" \
61    "Core was generated by .*" "re-load generated corefile"
62
63# Put $pc in gdb.log for debug purposes for comparison with stripped case.
64gdb_test "x/i \$pc" "break_here.*"
65
66gdb_test "frame" "#0 \[^\r\n\]* break_here .*" "unstripped + core ok"
67