gdb/testsuite/gdb.base/write_mem.exp

   1 # Copyright (C) 2018-2024 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 # Contributed by Jozef Lawrynowicz (jozef.l@mittosystems.com)
  17
  18 # Test for PR gdb/20948
  19 # Verify that invoking gdb with the --write argument works as expected
  20
  21 global GDBFLAGS
  22 standard_testfile
  23
  24 if {[build_executable $testfile.exp $testfile \
  25         $srcfile [list debug nowarnings] ] == -1} {
  26     untested $testfile.exp
  27     return -1
  28 }
  29
  30 set old_gdbflags $GDBFLAGS
  31
  32 # Expect a failure before --write has been added to the command line
  33 set GDBFLAGS "$old_gdbflags $binfile"
  34 clean_restart
  35 test_print_reject "set {int}main = 0x4242" "Cannot access memory at address"
  36
  37 # Setting memory should now work correctly after adding --write
  38 set GDBFLAGS "$old_gdbflags --write $binfile"
  39 clean_restart
  40 gdb_test_no_output "set {int}main = 0x4242"
  41
  42 # Check that memory write persists after quitting GDB
  43 gdb_exit
  44 gdb_start
  45 gdb_test "x /x main" "<main>:.*4242"
  46
  47 set GDBFLAGS $old_gdbflags