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

   1 # Copyright 2002-2019 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 # Regression test for PR11557.  Make sure we don't end up with a stale
  17 # register cache just after resuming a thread.
  18
  19 if { ![support_displaced_stepping] } {
  20     unsupported "displaced stepping"
  21     return -1
  22 }
  23
  24 load_lib mi-support.exp
  25 set MIFLAGS "-i=mi"
  26
  27 gdb_exit
  28 if {[mi_gdb_start]} {
  29     continue
  30 }
  31
  32 proc mi_nonstop_resume { command test } {
  33     if { [mi_send_resuming_command $command $test] != 0 } {
  34         # If a resume fails, assume non-stop is broken or unsupported
  35         # for this target.  We have logged a FAIL or UNSUPPORTED; skip
  36         # the remaining tests to limit timeouts.
  37         return -code continue
  38     }
  39 }
  40
  41 #
  42 # Start here
  43 #
  44 standard_testfile ns-stale-regcache.c
  45
  46 set options [list debug]
  47 if {[gdb_compile "$srcdir/$subdir/$srcfile" \
  48          $binfile executable $options] != "" } {
  49     return -1
  50 }
  51
  52 mi_gdb_reinitialize_dir $srcdir/$subdir
  53 mi_gdb_load $binfile
  54
  55 mi_gdb_test "-gdb-set non-stop 1" ".*"
  56 mi_gdb_test "-gdb-set mi-async 1" ".*"
  57 mi_detect_async
  58
  59 if { [mi_run_to_main] < 0 } {
  60     continue
  61 }
  62
  63 # Check that register and stack info don't end up stale after resuming
  64 # a thread.
  65 mi_nonstop_resume "exec-continue" "resume thread"
  66
  67 mi_gdb_test "-data-evaluate-expression \$pc" \
  68     "\\^error,msg=\".*\"" "no stale register cache of resumed thread"
  69
  70 mi_gdb_test "-stack-info-frame" \
  71     "\\^error,msg=\".*\"" "no stale frame info of resumed thread"
  72
  73 # Check that the thread is still running.  If the above tests passed,
  74 # we want it to be for the right reasons.
  75 mi_check_thread_states {"running"} "main thread still running"
  76
  77 mi_gdb_exit