gdb/testsuite/gdb.trace/mi-tracepoint-changed.exp

   1 # Copyright 2012-2015 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 load_lib trace-support.exp
  17
  18 if {[skip_shlib_tests]} {
  19     return 0
  20 }
  21
  22 standard_testfile pending.c
  23 set libfile1 "pendshr1"
  24 set libfile2 "pendshr2"
  25 set executable $testfile
  26 set libsrc1  $srcdir/$subdir/$libfile1.c
  27 set libsrc2  $srcdir/$subdir/$libfile2.c
  28 set lib_sl1  [standard_output_file pendshr1.sl]
  29 set lib_sl2  [standard_output_file pendshr2.sl]
  30
  31 set lib_opts [gdb_target_symbol_prefix_flags]
  32
  33 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  34      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""} {
  35     untested "Could not compile either $libsrc1 or $libsrc2"
  36     return -1
  37 }
  38
  39 set exec_opts [list debug shlib=$lib_sl1 shlib_load]
  40 if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
  41     untested "Failed to compile $srcfile"
  42     return -1
  43 }
  44
  45 load_lib mi-support.exp
  46 set MIFLAGS "-i=mi"
  47
  48 # Test when GDB connects to a disconnected stub, existing tracepoints in
  49 # remote stub can be uploaded to GDB, and GDB emits MI notification if
  50 # new tracepoints are created.
  51
  52 proc test_reconnect { } {
  53     with_test_prefix "reconnect" {
  54
  55         global gdbserver_reconnect_p
  56         global gdb_prompt
  57         global executable
  58         global lib_sl1 lib_sl2
  59
  60         set gdbserver_reconnect_p 1
  61         if { [info proc gdb_reconnect] == "" } {
  62             return 0
  63         }
  64
  65         clean_restart $executable
  66         gdb_load_shlibs $lib_sl1
  67         gdb_load_shlibs $lib_sl2
  68         if ![runto_main] then {
  69             fail "Can't run to main"
  70             return 0
  71         }
  72         # Create tracepoints on marker and main, and leave them in the
  73         # remote stub.
  74         gdb_test "trace marker" "Tracepoint.*at.* file .*" \
  75             "tracepoint on marker"
  76         gdb_test "trace main" "Tracepoint.*at.* file .*" \
  77             "tracepoint on main"
  78         gdb_test_no_output "tstart" "start trace experiment"
  79
  80         set test "disconnect"
  81         gdb_test_multiple "disconnect" $test {
  82             -re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
  83                 pass $test
  84
  85                 set test "disconnected"
  86                 gdb_test_multiple "y" $test {
  87                     -re "$gdb_prompt $" {
  88                         pass "$test"
  89                     }
  90                 }
  91             }
  92         }
  93
  94         gdb_exit
  95
  96         if [mi_gdb_start] {
  97             return
  98         }
  99
 100         global srcdir
 101         global subdir
 102         global binfile
 103
 104         mi_gdb_reinitialize_dir $srcdir/$subdir
 105         mi_gdb_load ${binfile}
 106
 107         global gdbserver_protocol
 108         global gdbserver_gdbport
 109
 110         # Create tracepoints on marker and pendfunc2.
 111         mi_gdb_test "-break-insert -a -f pendfunc2" \
 112             {.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
 113             "insert tracepoint on pendfunc2"
 114         mi_gdb_test "-break-insert -a marker" {.*\^done,bkpt=.*\".*} \
 115             "insert tracepoint on marker"
 116
 117         # Connect to the remote stub again, and make sure GDB merges the
 118         # tracepoints of both sides correctly.
 119         send_gdb "47-target-select $gdbserver_protocol $gdbserver_gdbport\n"
 120
 121         global mi_gdb_prompt
 122         set test "tracepoint created"
 123         gdb_expect {
 124             -re "=breakpoint-created,bkpt=\{number=\"1\",type=\"tracepoint\"" {
 125                 # Tracepoint 1 in GDB, which has already existed before
 126                 # connecting, should have been merged with a tracepoint on
 127                 # the target, so we shouldn't see a =breakpoint-created
 128                 # notification for it.
 129                 fail "$test: 1"
 130                 exp_continue
 131             }
 132             -re "=breakpoint-created,bkpt=\{number=\"2\",type=\"tracepoint\"" {
 133                 # Similar to above.
 134                 fail "$test: 2"
 135                 exp_continue
 136             }
 137             -re "=breakpoint-created,bkpt=\{number=\"3\",type=\"tracepoint\",disp=\"keep\",enabled=\"y\",\[^\n\]+,func=\"main\"\[^\n\]+,installed=\"y\"" {
 138                 # A tracepoint on main was defined in the stub, not in GDB,
 139                 # so we should see a =breakpoint-created notification.
 140                 pass $test
 141             }
 142         }
 143         # Tracepoint on marker is defined.  After the sync, we know that
 144         # the tracepoint is in remote stub.  Mark it 'installed'.
 145         set test "tracepoint on marker is installed"
 146         gdb_expect {
 147             -re "=breakpoint-modified,bkpt=\{number=\"2\".*,func=\"marker\".*installed=\"y\".*${mi_gdb_prompt}$" {
 148                 pass "$test"
 149             }
 150         }
 151         # Check that tracepoint 1 is still pending.
 152         mi_gdb_test "-break-info 1" \
 153             {.*\^done,BreakpointTable=.*addr=\"<PENDING>\".*} \
 154             "break-info 1"
 155
 156         set gdbserver_reconnect_p 0
 157     }
 158 }
 159
 160 # Test 'breakpoint-modified' notification is emited when pending tracepoints are
 161 # resolved.
 162
 163 proc test_pending_resolved { } {
 164     with_test_prefix "pending resolved" {
 165         global decimal hex
 166         global executable
 167         global srcdir
 168         global subdir
 169         global binfile
 170         global lib_sl1 lib_sl2
 171         global mi_gdb_prompt
 172
 173         gdb_exit
 174         if [mi_gdb_start] {
 175             continue
 176         }
 177
 178         mi_gdb_reinitialize_dir $srcdir/$subdir
 179         mi_gdb_load ${binfile}
 180         mi_load_shlibs $lib_sl1 $lib_sl2
 181
 182         # Create a pending tracepoint on pendfunc2
 183         mi_gdb_test "-break-insert -a -f pendfunc2" \
 184             {.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
 185             "insert breakpoint on pendfunc2"
 186         # Insert breakpoint on marker
 187         mi_gdb_test "-break-insert marker" {.*\^done,bkpt=.*} \
 188             "insert breakpoint on marker"
 189
 190         mi_run_cmd
 191         mi_expect_stop "breakpoint-hit" "marker" ""\
 192             ".*" ".*" {"" "disp=\"keep\""} \
 193             "continue to marker breakpoint"
 194         mi_gdb_test "-trace-start" {\^done} "trace start"
 195
 196         mi_send_resuming_command "exec-continue" "continuing execution to marker 1"
 197
 198         # It is expected to get two "=breakpoint-modified" notifications.
 199         # Pending tracepoint is resolved.
 200         set test "tracepoint on pendfunc2 resolved"
 201         gdb_expect {
 202             -re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"n\"" {
 203                 pass "$test"
 204             }
 205         }
 206         # Resolved tracepoint is installed.
 207         set test "tracepoint on pendfunc2 installed"
 208         gdb_expect {
 209             -re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"y\"" {
 210                 pass "$test"
 211             }
 212         }
 213
 214         mi_expect_stop "breakpoint-hit" "marker" ".*" ".*" ".*" \
 215             {"" "disp=\"keep\""} "continue to marker"
 216
 217
 218         mi_gdb_test "-trace-stop" {\^done,.*} "trace stop"
 219         mi_gdb_test "-trace-find frame-number 0" \
 220             "-trace-find frame-number 0\r\n\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
 221             "-trace-find frame-number 0"
 222         mi_gdb_test "-trace-find none" {\^done,found="0"} "back to live inferior"
 223
 224         mi_send_resuming_command "exec-continue" "continuing to exit"
 225         set test "tracepoint on pendfunc2 becomes pending again"
 226         gdb_expect {
 227             -re ".*=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*addr=\"<PENDING>\",.*times=\"0\"" {
 228                 pass "$test"
 229             }
 230             -re ".*${mi_gdb_prompt}$" {
 231                 fail $test
 232             }
 233             timeout {
 234                 fail "$test (timeout)"
 235             }
 236         }
 237
 238         mi_expect_stop "exited-normally" "" "" "" "" "" ""
 239     }
 240 }
 241
 242 # Test target supports tracepoints or not.
 243
 244 clean_restart $executable
 245
 246 gdb_load_shlibs $lib_sl1
 247 gdb_load_shlibs $lib_sl2
 248
 249 if ![runto_main] {
 250     fail "Can't run to main to check for trace support"
 251     return -1
 252 }
 253
 254 if ![gdb_target_supports_trace] {
 255     unsupported "Current target does not support trace"
 256     return -1
 257 }
 258
 259 gdb_exit
 260
 261 test_reconnect
 262
 263 test_pending_resolved
 264
 265 return 0