gdb/testsuite/gdb.btrace/enable-running.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2017-2021 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 if { [skip_btrace_tests] } {
  19     unsupported "target does not support record-btrace"
  20     return -1
  21 }
  22
  23 standard_testfile
  24 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" "$binfile" executable {debug}] != "" } {
  25     untested "failed to prepare"
  26     return -1
  27 }
  28
  29 # We need to enable non-stop mode for the remote case.
  30 save_vars { GDBFLAGS } {
  31     append GDBFLAGS " -ex \"set non-stop on\""
  32     clean_restart $testfile
  33 }
  34
  35 if ![runto_main] {
  36     untested "failed to run to main"
  37     return -1
  38 }
  39
  40 set bp_1 [gdb_get_line_number "bp.1" $srcfile]
  41
  42 gdb_breakpoint $bp_1
  43 gdb_continue_to_breakpoint "cont to $bp_1" ".*$bp_1\r\n.*"
  44 gdb_test "cont&" "Continuing\."
  45
  46 # All threads are running.  Let's start recording.
  47 gdb_test_no_output "record btrace"
  48
  49 proc check_tracing_enabled { thread } {
  50     global gdb_prompt
  51
  52     with_test_prefix "thread $thread" {
  53         gdb_test "thread $thread" "(running).*" "is running"
  54
  55         # We can't read the trace while the thread is running.
  56         gdb_test "info record" "Selected thread is running\." \
  57             "info record while running"
  58
  59         # Try various commands that try to read trace.
  60         gdb_test "record instruction-history" "Selected thread is running\."
  61         gdb_test "record function-call-history" "Selected thread is running\."
  62
  63         # Including reverse-stepping commands.
  64         gdb_test "reverse-continue" "\[Ss\]elected thread is running\."
  65         gdb_test "reverse-step" "\[Ss\]elected thread is running\."
  66         gdb_test "reverse-next" "\[Ss\]elected thread is running\."
  67         gdb_test "reverse-finish" "\[Ss\]elected thread is running\."
  68
  69         # Stop the thread before reading the trace.
  70         gdb_test_multiple "interrupt" "interrupt" {
  71             -re "interrupt\r\n$gdb_prompt " {
  72                 pass "interrupt"
  73             }
  74         }
  75         # Wait until the thread actually stopped.
  76         gdb_test_multiple "" "stopped" {
  77             -re "Thread $thread.*stopped\." {
  78                 pass "stopped"
  79             }
  80         }
  81         # We will consume the thread's current location as part of the
  82         # "info record" output.
  83         gdb_test "info record" [multi_line \
  84             "Active record target: record-btrace" \
  85             "Recording format: .*" \
  86             "Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" \
  87         ]
  88
  89         # Continue the thread again.
  90         gdb_test "cont&" "Continuing\."
  91     }
  92 }
  93
  94 # Check that recording was started on each thread.
  95 foreach thread {1 2 3 4} {
  96     check_tracing_enabled $thread
  97 }
  98
  99 # Stop recording while all threads are running.
 100 gdb_test "record stop" "Process record is stopped \[^\\\r\\\n\]*"