gdb/testsuite/gdb.mi/mi-ns-stale-regcache.exp

   1 # Copyright 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Regression test for PR11557.  Make sure we don't end up with a stale
  18 # register cache just after resuming a thread.
  19
  20 load_lib mi-support.exp
  21 set MIFLAGS "-i=mi"
  22
  23 gdb_exit
  24 if {[mi_gdb_start]} {
  25     continue
  26 }
  27
  28 proc mi_nonstop_resume { command test } {
  29     if { [mi_send_resuming_command $command $test] != 0 } {
  30         # If a resume fails, assume non-stop is broken or unsupported
  31         # for this target.  We have logged a FAIL or UNSUPPORTED; skip
  32         # the remaining tests to limit timeouts.
  33         return -code continue
  34     }
  35 }
  36
  37 #
  38 # Start here
  39 #
  40 set testfile "ns-stale-regcache"
  41 set srcfile "$testfile.c"
  42 set binfile "$objdir/$subdir/mi-$testfile"
  43
  44 set options [list debug incdir=$objdir]
  45 if {[gdb_compile "$srcdir/$subdir/$srcfile" \
  46          $binfile executable $options] != "" } {
  47     return -1
  48 }
  49
  50 mi_gdb_reinitialize_dir $srcdir/$subdir
  51 mi_gdb_load $binfile
  52
  53 set supported 0
  54 gdb_test_multiple "-gdb-show non-stop" "" {
  55     -re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" {
  56         if { $expect_out(1,string) == "1" } {
  57             set supported 1
  58         }
  59     }
  60     -re ".*$mi_gdb_prompt$" {
  61     }
  62 }
  63
  64 mi_gdb_test "-gdb-set non-stop 1" ".*"
  65 mi_gdb_test "-gdb-set target-async 1" ".*"
  66 detect_async
  67
  68 if { [mi_run_to_main] < 0 } {
  69     continue
  70 }
  71
  72 # Check that register and stack info don't end up stale after resuming
  73 # a thread.
  74 mi_nonstop_resume "exec-continue" "resume thread"
  75
  76 mi_gdb_test "-data-evaluate-expression \$pc" \
  77     "\\^error,msg=\".*\"" "no stale register cache of resumed thread"
  78
  79 mi_gdb_test "-stack-info-frame" \
  80     "\\^error,msg=\".*\"" "no stale frame info of resumed thread"
  81
  82 # Check that the thread is still running.  If the above tests passed,
  83 # we want it to be for the right reasons.
  84 mi_check_thread_states {"running"} "main thread still running"
  85
  86 mi_gdb_exit