1 # Copyright 2012-2023 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 load_lib trace-support.exp
18 if {[skip_shlib_tests]} {
21 if ![gdb_trace_common_supports_arch] {
22 unsupported "no trace-common.h support for arch"
26 standard_testfile pending.c
27 set libfile1 "pendshr1"
28 set libfile2 "pendshr2"
29 set executable $testfile
30 set libsrc1 $srcdir/$subdir/$libfile1.c
31 set libsrc2 $srcdir/$subdir/$libfile2.c
32 set lib_sl1 [standard_output_file pendshr1.sl]
33 set lib_sl2 [standard_output_file pendshr2.sl]
35 set lib_opts [gdb_target_symbol_prefix_flags]
37 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
38 || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""} {
39 untested "failed to compile shared library"
43 set exec_opts [list debug shlib=$lib_sl1 shlib_load]
44 if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
45 untested "failed to compile"
49 load_lib mi-support.exp
52 # Test when GDB connects to a disconnected stub, existing tracepoints in
53 # remote stub can be uploaded to GDB, and GDB emits MI notification if
54 # new tracepoints are created.
56 proc test_reconnect { } {
57 with_test_prefix "reconnect" {
59 global gdbserver_reconnect_p
62 global lib_sl1 lib_sl2
64 set gdbserver_reconnect_p 1
65 if { [info proc gdb_reconnect] == "" } {
69 clean_restart $executable
70 gdb_load_shlib $lib_sl1
71 gdb_load_shlib $lib_sl2
75 # Create tracepoints on marker and main, and leave them in the
77 gdb_test "trace marker" "Tracepoint.*at.* file .*" \
78 "tracepoint on marker"
79 gdb_test "trace main" "Tracepoint.*at.* file .*" \
81 gdb_test_no_output "tstart" "start trace experiment"
84 gdb_test_multiple "disconnect" $test {
85 -re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
88 set test "disconnected"
89 gdb_test_multiple "y" $test {
107 mi_gdb_reinitialize_dir $srcdir/$subdir
108 mi_gdb_load ${binfile}
110 global gdbserver_protocol
111 global gdbserver_gdbport
113 # Create tracepoints on marker and pendfunc2.
114 mi_gdb_test "-break-insert -a -f pendfunc2" \
115 {.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
116 "insert tracepoint on pendfunc2"
117 mi_gdb_test "-break-insert -a marker" {.*\^done,bkpt=.*\".*} \
118 "insert tracepoint on marker"
120 # Connect to the remote stub again, and make sure GDB merges the
121 # tracepoints of both sides correctly.
122 send_gdb "47-target-select $gdbserver_protocol $gdbserver_gdbport\n"
125 set test "tracepoint created"
127 -re "=breakpoint-created,bkpt=\{number=\"1\",type=\"tracepoint\"" {
128 # Tracepoint 1 in GDB, which has already existed before
129 # connecting, should have been merged with a tracepoint on
130 # the target, so we shouldn't see a =breakpoint-created
131 # notification for it.
135 -re "=breakpoint-created,bkpt=\{number=\"2\",type=\"tracepoint\"" {
140 -re "=breakpoint-created,bkpt=\{number=\"3\",type=\"tracepoint\",disp=\"keep\",enabled=\"y\",\[^\n\]+,func=\"main\"\[^\n\]+,installed=\"y\"" {
141 # A tracepoint on main was defined in the stub, not in GDB,
142 # so we should see a =breakpoint-created notification.
146 # Tracepoint on marker is defined. After the sync, we know that
147 # the tracepoint is in remote stub. Mark it 'installed'.
148 set test "tracepoint on marker is installed"
150 -re "=breakpoint-modified,bkpt=\{number=\"2\".*,func=\"marker\".*installed=\"y\".*${mi_gdb_prompt}$" {
154 # Check that tracepoint 1 is still pending.
155 mi_gdb_test "-break-info 1" \
156 {.*\^done,BreakpointTable=.*addr=\"<PENDING>\".*} \
159 set gdbserver_reconnect_p 0
163 # Test 'breakpoint-modified' notification is emited when pending tracepoints are
166 proc test_pending_resolved { } {
167 with_test_prefix "pending resolved" {
173 global lib_sl1 lib_sl2
181 mi_gdb_reinitialize_dir $srcdir/$subdir
182 mi_gdb_load ${binfile}
183 mi_load_shlibs $lib_sl1 $lib_sl2
185 # Create a pending tracepoint on pendfunc2
186 mi_gdb_test "-break-insert -a -f pendfunc2" \
187 {.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
188 "insert breakpoint on pendfunc2"
189 # Insert breakpoint on marker
190 mi_gdb_test "-break-insert marker" {.*\^done,bkpt=.*} \
191 "insert breakpoint on marker"
194 mi_expect_stop "breakpoint-hit" "marker" ""\
195 ".*" ".*" {"" "disp=\"keep\""} \
196 "continue to marker breakpoint"
197 mi_gdb_test "-trace-start" {\^done} "trace start"
199 mi_send_resuming_command "exec-continue" "continuing execution to marker 1"
201 # It is expected to get two "=breakpoint-modified" notifications.
202 # Pending tracepoint is resolved.
203 set test "tracepoint on pendfunc2 resolved"
205 -re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"n\"" {
209 # Resolved tracepoint is installed.
210 set test "tracepoint on pendfunc2 installed"
212 -re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"y\"" {
217 mi_expect_stop "breakpoint-hit" "marker" ".*" ".*" ".*" \
218 {"" "disp=\"keep\""} "continue to marker"
221 mi_gdb_test "-trace-stop" {\^done,.*} "trace stop"
222 mi_gdb_test "-trace-find frame-number 0" \
223 "-trace-find frame-number 0\r\n\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
224 "-trace-find frame-number 0"
225 mi_gdb_test "-trace-find none" {\^done,found="0"} "back to live inferior"
227 mi_send_resuming_command "exec-continue" "continuing to exit"
228 set test "tracepoint on pendfunc2 becomes pending again"
230 -re ".*=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*addr=\"<PENDING>\",.*times=\"0\"" {
233 -re ".*${mi_gdb_prompt}$" {
237 fail "$test (timeout)"
241 mi_expect_stop "exited-normally" "" "" "" "" "" ""
245 # Test target supports tracepoints or not.
247 clean_restart $executable
249 gdb_load_shlib $lib_sl1
250 gdb_load_shlib $lib_sl2
256 if ![gdb_target_supports_trace] {
257 unsupported "current target does not support trace"
265 test_pending_resolved