gdb/testsuite/gdb.btrace/data.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2021 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <markus.t.metzger@intel.com>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 if { [skip_btrace_tests] } {
  21     unsupported "target does not support record-btrace"
  22     return -1
  23 }
  24
  25 standard_testfile
  26 if [prepare_for_testing "failed to prepare" $testfile $srcfile] {
  27     return -1
  28 }
  29
  30 if ![runto_main] {
  31     untested "failed to run to main"
  32     return -1
  33 }
  34
  35 # trace the test code
  36 gdb_test_no_output "record btrace"
  37 gdb_test "next" ".*main\.3.*"
  38
  39 # reverse step into test
  40 gdb_test "reverse-step" ".*test\.4.*"
  41
  42 # we can't read memory while we're replaying
  43 with_test_prefix "replay" {
  44     with_test_prefix "default" {
  45         gdb_test "print glob" "unavailable\[^\\\r\\\n\]*"
  46         gdb_test "print loc" "unavailable\[^\\\r\\\n\]*"
  47     }
  48
  49     # we can read memory if we explicitly allow it.
  50     with_test_prefix "read-write" {
  51         gdb_test_no_output "set record btrace replay-memory-access read-write"
  52         gdb_test "print glob" "1"
  53     }
  54
  55     # we can't if we don't explicitly allow it.
  56     with_test_prefix "read-only" {
  57         gdb_test_no_output "set record btrace replay-memory-access read-only"
  58         gdb_test "print glob" "unavailable\[^\\\r\\\n\]*"
  59     }
  60 }
  61
  62 # stop replaying and try again
  63 gdb_test "record goto end" ".*main\.3.*"
  64 gdb_test "print glob" "1"