gdb/testsuite/gdb.base/reread-readsym.exp

   1 #   Copyright 2017-2021 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 standard_testfile
  17
  18 set gdbfile [standard_output_file ${testfile}.gdb]
  19
  20 # Test rereading executable.  See PR gdb/21337.
  21
  22 proc generate_cmd_file {gdbfile binfile} {
  23     set ofd [open $gdbfile w]
  24
  25     puts $ofd "file ${binfile}"
  26     puts $ofd "shell sleep 1; touch ${binfile}"
  27     puts $ofd "run"
  28     puts $ofd "file"
  29     puts $ofd "file ${binfile}"
  30     puts $ofd "shell sleep 1; touch ${binfile}"
  31     puts $ofd "run"
  32     puts $ofd "file"
  33     puts $ofd "file ${binfile}"
  34     puts $ofd "shell sleep 1; touch ${binfile}"
  35     puts $ofd "run"
  36     puts $ofd "file"
  37     puts $ofd "p \"source-command-completed\""
  38     close $ofd
  39 }
  40
  41 if [use_gdb_stub] {
  42     return 0
  43 }
  44
  45 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  46     return -1
  47 }
  48
  49 # Start with a fresh gdb.
  50 clean_restart ${testfile}
  51
  52 # Using the source command to read commands from a file is important,
  53 # otherwise section data is freed and reallocated using the same
  54 # memory locations and the bug is not exposed.
  55 generate_cmd_file $gdbfile $binfile
  56
  57 gdb_test "source $gdbfile" ".*source-command-completed.*" \
  58     "source $testfile.gdb 1"
  59 # Sometimes the failure only occurs on the second invocation.
  60 gdb_test "source $gdbfile" ".*source-command-completed.*" \
  61     "source $testfile.gdb 2"