gdb/testsuite/gdb.base/gcore-buffer-overflow.exp

   1 # Copyright 2007-2014 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 GDB's internal buffers safety for the GCORE command.
  17
  18
  19 standard_testfile .c
  20 # The ${binfile} basename needs to exceed 80 characters (`sizeof (psargs)')
  21 # plus some additional data to overwrite the stack frame.
  22 set pattern  01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
  23 append binfile -${pattern}
  24
  25 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  26      untested ${testfile}.exp
  27      return -1
  28 }
  29
  30 # Start with a fresh gdb.
  31
  32 clean_restart ${binfile}
  33
  34 # Does this gdb support gcore?
  35 gdb_test_multiple "help gcore" "help gcore" {
  36     -re "Undefined command: .gcore.*$gdb_prompt $" {
  37         # gcore command not supported -- nothing to test here.
  38         unsupported "gdb does not support gcore on this target"
  39         return -1
  40     }
  41     -re "Save a core file .*$gdb_prompt $" {
  42         pass "help gcore"
  43     }
  44 }
  45
  46 gdb_test_no_output "set args ${pattern}"        \
  47     "Set buffer exceeding arguments"
  48
  49 if { ! [ runto_main ] } then {
  50     untested gcore-buffer-overflow.exp
  51     return -1
  52 }
  53
  54 gdb_gcore_cmd [standard_output_file gcore-buffer-overflow.test] \
  55     "save a corefile"