gdb/testsuite/gdb.base/gdb1056.exp

   1 # Copyright 2003, 2007, 2008, 2009, 2010, 2011 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 # Test for PR gdb/1056.
  17 # 2003-10-18  Michael Chastain <mec@shout.net>
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 # test SIGFPE (such as division by 0) inside gdb itself
  24
  25
  26 gdb_start
  27
  28 # When SIGFPE happens, the operating system may restart the
  29 # offending instruction after the signal handler returns,
  30 # rather than proceeding to the next instruction.  This happens
  31 # on i686-pc-linux-gnu with a linux kernel.  If gdb has a naive
  32 # signal handler that just returns, then it will restart the
  33 # broken instruction and gdb gets an endless stream of SIGFPE's
  34 # and makes no progress.
  35 #
  36 # On a broken gdb this test will just time out.
  37
  38 gdb_test_multiple "print 1/0" "" {
  39     -re ".*$gdb_prompt $" {
  40         pass "print 1/0"
  41     }
  42     timeout {
  43         kfail "gdb/1056" "print 1/0"
  44     }
  45 }
  46 gdb_test "print 1U/0" ".*Division by zero.*" "Test unsigned division by zero"
  47