1 # Copyright (C) 2013-2020 Free Software Foundation, Inc.
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.
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.
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/>.
16 # Regression test for PR15693. A breakpoint with a condition that
17 # calls a function that evaluates false would result in a spurious
18 # *running event sent to the frontend each time the breakpoint is hit
19 # (and the target re-resumed). Like:
23 # *running,thread-id="all"
25 # *running,thread-id="all"
26 # *running,thread-id="all"
27 # *running,thread-id="all"
28 # *running,thread-id="all"
29 # *running,thread-id="all"
32 load_lib mi-support.exp
35 # Run either the multi-threaded or the single-threaded variant of the
36 # test, as determined by VARIANT.
37 proc test { variant } {
38 global gdb_test_file_name
39 global testfile srcdir subdir srcfile srcfile2 binfile
40 global mi_gdb_prompt async
42 with_test_prefix "$variant" {
49 if {$variant == "mt" } {
50 lappend options "pthreads"
53 # Don't use standard_testfile as we need a different binary
55 set testfile $gdb_test_file_name-$variant
56 set binfile [standard_output_file ${testfile}]
57 set srcfile $testfile.c
58 set srcfile2 $gdb_test_file_name.c
60 if {[build_executable "failed to prepare" \
62 "${srcfile} ${srcfile2}" \
68 mi_gdb_reinitialize_dir $srcdir/$subdir
69 mi_gdb_reinitialize_dir $srcdir/$subdir
70 mi_gdb_load ${binfile}
74 # Leave the breakpoint at 'test' set, on purpose. The next
75 # resume shall emit a single '*running,thread-id="all"', even
76 # if GDB needs to step over a breakpoint (that is, even if GDB
77 # needs to run only one thread for a little bit).
79 set bp_location [gdb_get_line_number "set breakpoint here" $srcfile2]
80 set bp_location_end [gdb_get_line_number "set end breakpoint here" $srcfile2]
82 mi_gdb_test "-break-insert -c return_false() $srcfile2:$bp_location" ".*" \
83 "insert conditional breakpoint"
85 mi_gdb_test "-break-insert $srcfile2:$bp_location_end" ".*" \
86 "insert end breakpoint"
88 set msg "no spurious *running notifications"
89 send_gdb "-exec-continue\n"
91 -re "\\*running.*\\*running.*\\*stopped" {
94 -re "\\^running\r\n\\*running,thread-id=\"all\"\r\n${mi_gdb_prompt}.*\\*stopped" {
102 # In sync mode, there's an extra prompt after *stopped. Consume it.
105 -re "$mi_gdb_prompt" {