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| 1 # Copyright 2013 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 flags,align fields of PT_GNU_RELRO). |
| 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 |
| 20 standard_testfile |
| 21 |
| 22 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug additional_flag
s=-fpie "ldflags=-pie -Wl,-z,relro"}]} { |
| 23 return -1 |
| 24 } |
| 25 |
| 26 set stripped_binfile ${binfile}.stripped |
| 27 set gcorefile ${binfile}.gcore |
| 28 |
| 29 set strip_program [transform strip] |
| 30 remote_file host delete ${stripped_binfile} |
| 31 if [run_on_host "strip" "$strip_program" "-g -o ${stripped_binfile} $binfile"] { |
| 32 return -1 |
| 33 } |
| 34 |
| 35 # Workaround PR binutils/10802: |
| 36 # Preserve the 'x' bit also for PIEs (Position Independent Executables). |
| 37 set perm [file attributes ${binfile} -permissions] |
| 38 file attributes ${stripped_binfile} -permissions $perm |
| 39 |
| 40 clean_restart ${stripped_binfile} |
| 41 |
| 42 # Does this gdb support gcore? |
| 43 set test "help gcore" |
| 44 gdb_test_multiple $test $test { |
| 45 -re "Undefined command: .gcore.*\r\n$gdb_prompt $" { |
| 46 # gcore command not supported -- nothing to test here. |
| 47 unsupported "gdb does not support gcore on this target" |
| 48 return -1 |
| 49 } |
| 50 -re "Save a core file .*\r\n$gdb_prompt $" { |
| 51 pass $test |
| 52 } |
| 53 } |
| 54 |
| 55 # The binary is stripped of debug info, but not minsyms. |
| 56 if ![runto break_here] { |
| 57 fail "Can't run to break_here" |
| 58 return -1 |
| 59 } |
| 60 |
| 61 if {![gdb_gcore_cmd $gcorefile "save a corefile"]} { |
| 62 return -1 |
| 63 } |
| 64 |
| 65 # Now restart gdb with the unstripped binary and load the corefile. |
| 66 |
| 67 clean_restart ${binfile} |
| 68 |
| 69 gdb_test "core ${gcorefile}" \ |
| 70 "Core was generated by .*" "re-load generated corefile" |
| 71 |
| 72 # Put $pc in gdb.log for debug purposes for comparison with stripped case. |
| 73 gdb_test "x/i \$pc" "break_here.*" |
| 74 |
| 75 gdb_test "frame" "#0 \[^\r\n\]* break_here .*" "unstripped + core ok" |
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