gdb/testsuite/gdb.btrace/reconnect.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2016-2021 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] } {
  23     unsupported "target does not support record-btrace"
  24     return -1
  25 }
  26 if { [skip_gdbserver_tests] } {
  27     unsupported "target does not support gdbserver"
  28     return -1
  29 }
  30
  31 standard_testfile
  32 if [prepare_for_testing "failed to prepare" $testfile $srcfile] {
  33     return -1
  34 }
  35
  36 # Make sure we're disconnected and no recording is active, in case
  37 # we're testing with an extended-remote board, therefore already
  38 # connected.
  39 with_test_prefix "preparation" {
  40   gdb_test "record stop" ".*"
  41   gdb_test "disconnect" ".*"
  42 }
  43
  44 # Start fresh gdbserver.
  45 set gdbserver_reconnect_p 1
  46 set res [gdbserver_start "" $binfile]
  47 set gdbserver_protocol [lindex $res 0]
  48 set gdbserver_gdbport [lindex $res 1]
  49 gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  50
  51 # Create a record, check, reconnect
  52 with_test_prefix "first" {
  53   gdb_test_no_output "record btrace" "record btrace enable"
  54   gdb_test "stepi 19" ".*"
  55
  56   gdb_test "info record" [multi_line \
  57     "Active record target: .*" \
  58     "Recorded 19 instructions in .+ functions \\(. gaps\\) for thread 1 \\(Thread .*\\)."
  59   ]
  60
  61   gdb_test "disconnect" "Ending remote debugging."
  62   gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  63 }
  64
  65 # Test if we can access the recorded data from first connect.
  66 # Note: BTS loses the first function call entry with its associated
  67 # instructions for technical reasons.  This is why we test for
  68 # "a number between 10 and 19", so we catch at least the case where
  69 # there are 0 instructions in the record.
  70 with_test_prefix "second" {
  71   gdb_test "info record" [multi_line \
  72     "Active record target: .*" \
  73     "Recorded 1. instructions in .+ functions \\(. gaps\\) for thread 1 \\(Thread .*\\)."
  74   ]
  75
  76   gdb_test "record stop" "Process record is stopped and all execution logs are deleted."
  77
  78   gdb_test "disconnect" "Ending remote debugging."
  79   gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport
  80 }
  81
  82 # Test that recording is now off.
  83 with_test_prefix "third" {
  84   gdb_test "info record" "No recording is currently active."
  85 }