gdb/testsuite/gdb.threads/thread_events.exp

   1 # Copyright (C) 2007-2015 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Chris Demetriou (cgd@google.com).
  17 # It tests printing of thread event (start, exit) information, and
  18 # disabling of those messages.
  19 #
  20 # Note: the format of thread event messages (and also whether or not
  21 # messages are printed and can be disabled) is dependent on the target
  22 # thread support code.
  23
  24 # This test has only been verified with Linux targets, and would need
  25 # to be generalized to support other targets
  26 if ![istarget *-*-linux*] then {
  27     return
  28 }
  29
  30 # When using gdbserver, even on Linux, we don't get notifications
  31 # about new threads.  This is expected, so don't test for that.
  32 if [is_remote target] then {
  33     return
  34 }
  35
  36
  37 standard_testfile
  38
  39 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } {
  40     return -1
  41 }
  42
  43 proc gdb_test_thread_start {messages_enabled command pattern message} {
  44   global gdb_prompt
  45
  46   if { $messages_enabled } {
  47     set events_expected 1
  48   } else {
  49     set events_expected 0
  50   }
  51   set events_seen 0
  52
  53   return [gdb_test_multiple $command $message {
  54     -re "\\\[New Thread \[^\]\]*\\\]\r\n" {
  55       incr events_seen
  56       exp_continue
  57     }
  58     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  59       if { $events_seen != $events_expected } {
  60         fail "$message (saw $events_seen, expected $events_expected)"
  61       } else {
  62         pass "$message"
  63       }
  64     }
  65   }]
  66 }
  67
  68 proc gdb_test_thread_exit {messages_enabled command pattern message} {
  69   global gdb_prompt
  70
  71   if { $messages_enabled } {
  72     set events_expected 1
  73   } else {
  74     set events_expected 0
  75   }
  76   set events_seen 0
  77
  78   return [gdb_test_multiple $command $message {
  79     -re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
  80       incr events_seen
  81       exp_continue
  82     }
  83     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  84       if { $events_seen != $events_expected } {
  85         fail "$message (saw $events_seen, expected $events_expected)"
  86       } else {
  87         pass "$message"
  88       }
  89     }
  90   }]
  91 }
  92
  93 proc test_thread_messages {enabled} {
  94   global srcdir subdir binfile srcfile
  95
  96   if { $enabled } {
  97     set enabled_string "with messages enabled"
  98   } else {
  99     set enabled_string "with messages disabled"
 100   }
 101
 102   gdb_start
 103   gdb_reinitialize_dir $srcdir/$subdir
 104   gdb_load ${binfile}
 105
 106   if { $enabled } {
 107      gdb_test "set print thread-events on"
 108   } else {
 109      gdb_test "set print thread-events off"
 110   }
 111
 112   # The initial thread may log a 'New Thread' message, but we don't
 113   # check for it.
 114   if ![runto_main] then {
 115      fail "Can't run to main $enabled_string"
 116      return 1
 117   }
 118
 119   gdb_test "break threadfunc" \
 120       "Breakpoint.*at.* file .*$srcfile, line.*" \
 121       "breakpoint at threadfunc $enabled_string"
 122   gdb_test "break after_join_func" \
 123       "Breakpoint.*at.* file .*$srcfile, line.*" \
 124       "breakpoint at after_join_func $enabled_string"
 125
 126   # continue to threadfunc breakpoint.  A thread will start.
 127   # Expect to see a thread start message, if messages are enabled.
 128   gdb_test_thread_start $enabled "continue" \
 129        ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
 130        "continue to threadfunc $enabled_string"
 131
 132   # continue to after_join_func breakpoint.  A thread will exit.
 133   # Expect to see a thread exit message, if messages are enabled.
 134   gdb_test_thread_exit $enabled "continue" \
 135        ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
 136        "continue to after_join_func $enabled_string"
 137
 138   delete_breakpoints
 139
 140   gdb_exit
 141 }
 142
 143 test_thread_messages 0
 144 test_thread_messages 1