| 1 | # Copyright 2002-2005, 2007-2012 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 $test] != 0 } { |
| 34 | # If a resume fails, assume non-stop is broken or unsupported |
| 35 | # for this target. We have logged a FAIL or UNSUPPORTED; skip |
| 36 | # the remaining tests to limit timeouts. |
| 37 | return -code continue |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | # |
| 42 | # Start here |
| 43 | # |
| 44 | set testfile "ns-stale-regcache" |
| 45 | set srcfile "$testfile.c" |
| 46 | set binfile "$objdir/$subdir/mi-$testfile" |
| 47 | |
| 48 | set options [list debug incdir=$objdir] |
| 49 | if {[gdb_compile "$srcdir/$subdir/$srcfile" \ |
| 50 | $binfile executable $options] != "" } { |
| 51 | return -1 |
| 52 | } |
| 53 | |
| 54 | mi_gdb_reinitialize_dir $srcdir/$subdir |
| 55 | mi_gdb_load $binfile |
| 56 | |
| 57 | mi_gdb_test "-gdb-set non-stop 1" ".*" |
| 58 | mi_gdb_test "-gdb-set target-async 1" ".*" |
| 59 | mi_detect_async |
| 60 | |
| 61 | if { [mi_run_to_main] < 0 } { |
| 62 | continue |
| 63 | } |
| 64 | |
| 65 | # Check that register and stack info don't end up stale after resuming |
| 66 | # a thread. |
| 67 | mi_nonstop_resume "exec-continue" "resume thread" |
| 68 | |
| 69 | mi_gdb_test "-data-evaluate-expression \$pc" \ |
| 70 | "\\^error,msg=\".*\"" "no stale register cache of resumed thread" |
| 71 | |
| 72 | mi_gdb_test "-stack-info-frame" \ |
| 73 | "\\^error,msg=\".*\"" "no stale frame info of resumed thread" |
| 74 | |
| 75 | # Check that the thread is still running. If the above tests passed, |
| 76 | # we want it to be for the right reasons. |
| 77 | mi_check_thread_states {"running"} "main thread still running" |
| 78 | |
| 79 | mi_gdb_exit |