gdb/testsuite/gdb.reverse/waitpid-reverse.exp

   1 # Copyright 2015-2016 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 # This file is part of the gdb testsuite.
  17
  18 #
  19 # This test tests waitpid syscall for reverse execution.
  20 #
  21 # Also serves as regression test for gdb/19187 (recording across a
  22 # fork).
  23
  24 if ![supports_reverse] {
  25     return
  26 }
  27
  28 standard_testfile
  29
  30 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
  31     return -1
  32 }
  33
  34 runto main
  35
  36 if [supports_process_record] {
  37     # Activate process record/replay
  38     gdb_test_no_output "record" "turn on process record"
  39 }
  40
  41 gdb_test "break marker2" \
  42     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  43     "set breakpoint at marker2"
  44
  45 gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
  46
  47 gdb_test "break marker1" \
  48     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  49     "set breakpoint at marker1"
  50
  51 gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
  52
  53 # If the variable was recorded properly on syscall, the old contents (-1)
  54 # will be remembered.  If not, new contents (status) will be used, and
  55 # the test will fail.
  56
  57 gdb_test "print status" ".* = -1" "check waitpid record"