gdb/testsuite/gdb.threads/thread_events.exp

   1 # Copyright (C) 2007-2022 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 the RSP, we don't get notifications about new threads.
  31 # This is expected, so don't test for that.
  32 if {[target_info gdb_protocol] == "remote"
  33     || [target_info gdb_protocol] == "extended-remote"} {
  34     return
  35 }
  36
  37
  38 standard_testfile
  39
  40 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } {
  41     return -1
  42 }
  43
  44 proc gdb_test_thread_start {messages_enabled command pattern message} {
  45   global gdb_prompt
  46
  47   if { $messages_enabled } {
  48     set events_expected 1
  49   } else {
  50     set events_expected 0
  51   }
  52   set events_seen 0
  53
  54   return [gdb_test_multiple $command $message {
  55     -re "\\\[New Thread \[^\]\]*\\\]\r\n" {
  56       incr events_seen
  57       exp_continue
  58     }
  59     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  60       if { $events_seen != $events_expected } {
  61         fail "$message (saw $events_seen, expected $events_expected)"
  62       } else {
  63         pass "$message"
  64       }
  65     }
  66   }]
  67 }
  68
  69 proc gdb_test_thread_exit {messages_enabled command pattern message} {
  70   global gdb_prompt
  71
  72   if { $messages_enabled } {
  73     set events_expected 1
  74   } else {
  75     set events_expected 0
  76   }
  77   set events_seen 0
  78
  79   return [gdb_test_multiple $command $message {
  80     -re "\\\[Thread \[^\]\]* exited\\\]\r\n" {
  81       incr events_seen
  82       exp_continue
  83     }
  84     -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
  85       if { $events_seen != $events_expected } {
  86         fail "$message (saw $events_seen, expected $events_expected)"
  87       } else {
  88         pass "$message"
  89       }
  90     }
  91   }]
  92 }
  93
  94 proc test_thread_messages {enabled} {
  95   global srcdir subdir binfile srcfile
  96
  97   if { $enabled } {
  98     set enabled_string "with messages enabled"
  99   } else {
 100     set enabled_string "with messages disabled"
 101   }
 102
 103   gdb_start
 104   gdb_reinitialize_dir $srcdir/$subdir
 105   gdb_load ${binfile}
 106
 107   if { $enabled } {
 108      gdb_test "set print thread-events on"
 109   } else {
 110      gdb_test "set print thread-events off"
 111   }
 112
 113   # The initial thread may log a 'New Thread' message, but we don't
 114   # check for it.
 115   if ![runto_main] then {
 116      fail "can't run to main $enabled_string"
 117      return 1
 118   }
 119
 120   gdb_test "break threadfunc" \
 121       "Breakpoint.*at.* file .*$srcfile, line.*" \
 122       "breakpoint at threadfunc $enabled_string"
 123   gdb_test "break after_join_func" \
 124       "Breakpoint.*at.* file .*$srcfile, line.*" \
 125       "breakpoint at after_join_func $enabled_string"
 126
 127   # continue to threadfunc breakpoint.  A thread will start.
 128   # Expect to see a thread start message, if messages are enabled.
 129   gdb_test_thread_start $enabled "continue" \
 130        ".*Breakpoint .*,.*threadfunc.*at.*$srcfile:.*" \
 131        "continue to threadfunc $enabled_string"
 132
 133   # continue to after_join_func breakpoint.  A thread will exit.
 134   # Expect to see a thread exit message, if messages are enabled.
 135   gdb_test_thread_exit $enabled "continue" \
 136        ".*Breakpoint .*,.*after_join_func.*at.*$srcfile:.*" \
 137        "continue to after_join_func $enabled_string"
 138
 139   delete_breakpoints
 140
 141   gdb_exit
 142 }
 143
 144 test_thread_messages 0
 145 test_thread_messages 1