gdb/testsuite/gdb.btrace/reconnect.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2016 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <tim.wiederhake@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 load_lib gdbserver-support.exp
  21
  22 if { [skip_btrace_tests] } { return -1 }
  23 if { [skip_gdbserver_tests] } { return -1 }
  24
  25 standard_testfile
  26 if [prepare_for_testing "failed to prepare" $testfile $srcfile] {
  27     return -1
  28 }
  29
  30 # Make sure we're disconnected and no recording is active, in case
  31 # we're testing with an extended-remote board, therefore already
  32 # connected.
  33 with_test_prefix "preparation" {
  34   gdb_test "record stop" ".*"
  35   gdb_test "disconnect" ".*"
  36 }
  37
  38 # Start fresh gdbserver.
  39 set gdbserver_reconnect_p 1
  40 set res [gdbserver_start "" $binfile]
  41 set gdbserver_protocol [lindex $res 0]
  42 set gdbserver_gdbport [lindex $res 1]
  43 gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  44
  45 # Create a record, check, reconnect
  46 with_test_prefix "first" {
  47   gdb_test_no_output "record btrace" "record btrace enable"
  48   gdb_test "stepi 19" "0x.* in .* from target.*"
  49
  50   gdb_test "info record" [multi_line \
  51     "Active record target: .*" \
  52     "Recorded 19 instructions in .+ functions \\(. gaps\\) for thread 1 \\(Thread .*\\)."
  53   ]
  54
  55   gdb_test "disconnect" "Ending remote debugging."
  56   gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  57 }
  58
  59 # Test if we can access the recorded data from first connect.
  60 # Note: BTS loses the first function call entry with its associated
  61 # instructions for technical reasons.  This is why we test for
  62 # "a number between 10 and 19", so we catch at least the case where
  63 # there are 0 instructions in the record.
  64 with_test_prefix "second" {
  65   gdb_test "info record" [multi_line \
  66     "Active record target: .*" \
  67     "Recorded 1. instructions in .+ functions \\(. gaps\\) for thread 1 \\(Thread .*\\)."
  68   ]
  69
  70   gdb_test "record stop" "Process record is stopped and all execution logs are deleted."
  71
  72   gdb_test "disconnect" "Ending remote debugging."
  73   gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  74 }
  75
  76 # Test that recording is now off.
  77 with_test_prefix "third" {
  78   gdb_test "info record" "No record target is currently active."
  79 }