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