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