gdb/testsuite/gdb.btrace/enable.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2020 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <christian.himpel@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 # start fresh - without an executable
  26 gdb_exit
  27 gdb_start
  28
  29 # record cannot be stopped, if it was never active
  30 gdb_test "record stop" "No record target is currently active\\..*" "record stop without target"
  31
  32 # btrace cannot be enabled without a running inferior
  33 gdb_test "record btrace" "The program is not being run\\." "record btrace without running program"
  34
  35 # no function and no instruction history without btrace enabled
  36 gdb_test "record function-call-history" "No record target is currently active\\..*" "record function-call-history without target"
  37 gdb_test "record instruction-history" "No record target is currently active\\..*" "record instruction-history without target"
  38 gdb_test "info record" "No record target is currently active\\." "info record without target"
  39
  40 standard_testfile
  41 if [prepare_for_testing "failed to prepare" $testfile {} {debug}] {
  42     return -1
  43 }
  44
  45 if ![runto_main] {
  46     untested "failed to run to main"
  47     return -1
  48 }
  49
  50 # enable btrace
  51 gdb_test_no_output "record btrace" "record btrace"
  52 gdb_test "record function-call-history" "No trace\\." "record function-call-history without trace"
  53 gdb_test "record instruction-history" "No trace\\." "record instruction-history without trace"
  54
  55 # btrace cannot be enabled twice
  56 gdb_test "record btrace" "The process is already being recorded\\.  Use \"record stop\" to stop recording first\\." "record btrace the second time"
  57
  58 # full record cannot be activated as long as btrace is active
  59 gdb_test "record full" "The process is already being recorded\\.  Use \"record stop\" to stop recording first\\." "record full cannot be enabled"
  60
  61 # no trace recorded yet
  62 gdb_test "info record" "Active record target: record-btrace\r
  63 .*\r
  64 Recorded 0 instructions in 0 functions \\\(0 gaps\\\) for thread 1.*\\." "info record without trace"
  65
  66 # stop btrace record
  67 gdb_test "record stop" "Process record is stopped and all execution logs are deleted\\."
  68 gdb_test "record stop" "No record target is currently active\\..*" "record stop the second time"
  69
  70 # enable btrace again
  71 gdb_test_no_output "record btrace" "record btrace re-enable"
  72 gdb_test "record btrace" "The process is already being recorded\\.  Use \"record stop\" to stop recording first\\." "record btrace re-enable twice"
  73
  74 # continue to the end and make sure we don't die
  75 gdb_test "continue" ".*Inferior.*exited.*" "continue to end"
  76
  77 # skip_gdbserver_tests requires GDB not running.
  78 gdb_exit
  79
  80 # skip the rerun test when using gdbserver
  81 # otherwise rerun twice, target should be automatically disabled
  82 load_lib gdbserver-support.exp
  83 if [skip_gdbserver_tests] {
  84     unsupported "target does not support gdbserver"
  85     return 0
  86 }
  87 clean_restart $testfile
  88 if ![runto_main] {
  89     untested "failed to run to main"
  90     return -1
  91 }
  92 if ![runto_main] {
  93     untested "failed to run to main"
  94     return -1
  95 }
  96
  97 # make sure record-btrace can be enabled after re-run
  98 clean_restart $testfile
  99 if ![runto_main] {
 100     untested "failed to run to main"
 101     return -1
 102 }
 103 gdb_test_no_output "record btrace"
 104 if ![runto_main] {
 105     untested "failed to run to main"
 106     return -1
 107 }
 108 gdb_test_no_output "record btrace" "enable after re-run"