1# Copyright 2008-2020 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
16if { ![support_displaced_stepping] } {
17    unsupported "displaced stepping"
18    return -1
19}
20
21load_lib mi-support.exp
22set MIFLAGS "-i=mi"
23
24gdb_exit
25if {[mi_gdb_start]} {
26    continue
27}
28
29#
30# Start here
31#
32standard_testfile nsmoribund.c
33
34set options [list debug]
35if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
36    return -1
37}
38
39mi_gdb_reinitialize_dir $srcdir/$subdir
40mi_gdb_load $binfile
41
42mi_gdb_test "-gdb-set non-stop 1" ".*"
43mi_gdb_test "-gdb-set mi-async 1" ".*"
44mi_detect_async
45
46if { [mi_run_to_main] < 0 } {
47    continue
48}
49
50# Keep this in sync with THREADS in the $srcfile.
51set nthreads 10
52
53# Set a breakpoint and let all threads hit it (except the main
54# thread).
55
56set bkpt_line [gdb_get_line_number "set breakpoint here"]
57
58mi_create_breakpoint "$srcfile:$bkpt_line" \
59    "breakpoint at thread_function" \
60    -number 2 -function thread_function
61
62mi_send_resuming_command "exec-continue --all" "resume all"
63for {set i 0} {$i < $nthreads} {incr i} {
64    mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
65	"\[0-9\]*" {"" "disp=\"keep\""} "stop $i"
66}
67
68# All but the main thread should have hit it.
69
70mi_check_thread_states \
71    {"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \
72    "thread state: all stopped except the main thread"
73
74# Select a stopped thread to make sure we're able to delete
75# breakpoints
76mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5"
77
78# Now that we know about all the threads, we can get rid of
79# breakpoint.
80mi_delete_breakpoints
81
82# Recreate the same breakpoint, but this time, specific to thread 5.
83mi_gdb_test "234-break-insert -p 5 $srcfile:$bkpt_line" \
84    "234\\^done,bkpt=\{number=\"3\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\".*\",func=\"thread_function\",file=\".*\",fullname=\".*\",line=\".*\",thread-groups=\\\[\".*\"\\\],thread=\"5\",thread=\"5\",times=\"0\",original-location=\".*\"\}" \
85    "thread specific breakpoint at thread_function"
86
87# Resume all threads.  Only thread 5 should report a stop.
88
89set running_re ""
90for {set i $nthreads} {$i > 1} {incr i -1} {
91    set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n"
92}
93# Don't append \r\n after last line.
94set running_re "$running_re\\*running,thread-id=\"$decimal\""
95
96mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \
97    "resume all, thread specific breakpoint"
98
99mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
100    "\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint"
101
102# All threads except both thread 5 (and the main thread) should now be
103# repeatedly hitting the thread specific breakpoint and stepping over
104# it transparently.  These are internal events, so the frontend should
105# see those threads as running.
106
107mi_check_thread_states \
108    {"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \
109    "thread state: all running except the breakpoint thread"
110
111# Get rid of the breakpoint while the other threads are stepping over
112# it, and tell all threads to exit.  The program should exit
113# gracefully shortly.  Send all commands in a row, since if something
114# goes wrong with moribund locations support or displaced stepping (or
115# a target bug if it can step over breakpoints itself), a spurious
116# SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint.
117# Note that this causes multiple prompts to appear before the output
118# we are interested in, so we can't use mi_gdb_test or
119# gdb_test_multiple (or an MI equivalent)
120
121mi_gdb_test "102-break-delete" "102\\^done.*"
122mi_gdb_test "print done = 1" { = 1"}
123mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re"
124
125gdb_expect {
126    -re "\\*stopped,reason=\"exited-normally\"" {
127       pass "resume all, program exited normally"
128    }
129    timeout {
130       fail "resume all, waiting for program exit (timeout)"
131    }
132}
133
134mi_gdb_exit
135