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

   1 # Copyright 2012-2017 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 load_lib mi-support.exp
  18
  19 standard_testfile actions.c
  20 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  21           executable {debug nowarnings}] != "" } {
  22     untested "failed to compile"
  23     return -1
  24 }
  25
  26 # Test notifications on creating, deleting and modifying TSV.
  27
  28 proc test_create_delete_modify_tsv { } {
  29     with_test_prefix "create delete modify" {
  30         global binfile
  31         global decimal
  32         global testfile
  33         global srcdir subdir
  34         global mi_gdb_prompt
  35
  36         if [mi_gdb_start] {
  37             return
  38         }
  39         mi_gdb_load ${binfile}
  40
  41         mi_gdb_test "tvariable \$tvar1" \
  42             ".*=tsv-created,name=\"tvar1\",initial=\"0\"\\\\n.*\\^done" \
  43             "tvariable \$tvar1"
  44         mi_gdb_test "tvariable \$tvar1 = 1" \
  45             ".*=tsv-modified,name=\"tvar1\",initial=\"1\".*\\^done" \
  46             "tvariable \$tvar1 modified"
  47         # No "=tsv-modified" notification is emitted, because the initial
  48         # value is not changed.
  49         mi_gdb_test "tvariable \$tvar1 = 1" \
  50             ".*\\\$tvar1 = 1\\\\n\"\r\n~\"Trace state .*\\\\n.*\\^done" \
  51             "tvariable \$tvar1 modified without notification"
  52         mi_gdb_test "tvariable \$tvar2 = 45" \
  53             ".*=tsv-created,name=\"tvar2\",initial=\"45\"\\\\n.*\\^done" \
  54             "tvariable \$tvar2"
  55
  56         mi_gdb_test "delete tvariable \$tvar2" \
  57             ".*=tsv-deleted,name=\"tvar2\"\\\\n.*\\^done" \
  58             "delete tvariable \$tvar2"
  59
  60         mi_gdb_test "delete tvariable" \
  61             ".*=tsv-deleted\\\\n.*\\^done" \
  62             "delete all tvariables"
  63
  64         # Test target supports tracepoints or not.
  65         clean_restart $testfile
  66
  67         if ![runto_main] {
  68             fail "can't run to main to check for trace support"
  69             return -1
  70         }
  71
  72         if ![gdb_target_supports_trace] {
  73             unsupported "current target does not support trace"
  74             return -1
  75         }
  76         gdb_exit
  77         if [mi_gdb_start] {
  78             continue
  79         }
  80
  81         mi_gdb_reinitialize_dir $srcdir/$subdir
  82         mi_gdb_load ${binfile}
  83
  84         mi_gdb_test "tvariable \$tvar3 = 3" \
  85             ".*=tsv-created,name=\"tvar3\",initial=\"3\".*\\^done" \
  86             "tvariable \$tvar3 modified"
  87         mi_gdb_test "-break-insert -a gdb_c_test" \
  88             {.*\^done,bkpt=.*} \
  89             "insert tracepoint on gdb_c_test"
  90         # Define an action that increases $tvar3
  91         send_gdb "actions\n"
  92         gdb_expect {
  93             -re "End with" {
  94             }
  95         }
  96         send_gdb "collect \$tvar3 += 3\nend\n"
  97         set test "define actions"
  98         gdb_expect {
  99             -re ".*${mi_gdb_prompt}$" {
 100                 pass $test
 101             }
 102             timeout {
 103                 fail "$test (timeout)"
 104             }
 105         }
 106
 107         mi_gdb_test "-break-insert begin" \
 108             {.*\^done,bkpt=.*} \
 109             "insert tracepoint on begin"
 110         mi_gdb_test "-break-insert end" \
 111             {.*\^done,bkpt=.*} \
 112             "insert tracepoint on end"
 113         mi_run_cmd
 114
 115         mi_expect_stop "breakpoint-hit" "begin" ""\
 116             ".*" ".*" {"" "disp=\"keep\""} \
 117             "continue to begin breakpoint"
 118         mi_gdb_test "-trace-start" {.*\^done} "trace start"
 119         mi_send_resuming_command "exec-continue" "continuing to end"
 120         mi_gdb_test "-trace-stop" {.*} "trace stop"
 121         # Force GDB to get the current value of trace state variable.
 122         mi_gdb_test "-trace-list-variables" ".*" "list trace variables"
 123         mi_gdb_test "tvariable \$tvar3 = 2" \
 124             ".*=tsv-modified,name=\"tvar3\",initial=\"2\",current=\"6\".*\\^done" \
 125             "tvariable \$tvar3 modified"
 126
 127     }
 128 }
 129
 130
 131 # Test when GDB connects to a disconnected stub, existing TSVs in
 132 # remote stub can be uploaded to GDB, and GDB emits MI notification
 133 # for new uploaded TSVs.
 134
 135 proc test_upload_tsv { } {
 136     with_test_prefix "upload" {
 137
 138         global gdbserver_reconnect_p
 139         global gdb_prompt
 140         global testfile
 141         global decimal
 142
 143         set gdbserver_reconnect_p 1
 144         if { [info proc gdb_reconnect] == "" } {
 145             return 0
 146         }
 147
 148         clean_restart $testfile
 149         if ![runto_main] then {
 150             fail "can't run to main"
 151             return 0
 152         }
 153
 154         gdb_test "tvariable \$tvar1" \
 155             "Trace state variable \\\$tvar1 created, with initial value 0." \
 156             "create a trace state variable"
 157
 158         gdb_test "tvariable \$tvar2 = 45" \
 159             "Trace state variable \\\$tvar2 created, with initial value 45." \
 160             "Create a trace state variable with initial value"
 161         # Define a tracepoint otherwise tracing cannot be started.
 162         gdb_test "trace main" "Tracepoint $decimal at .*"
 163         gdb_test_no_output "tstart" "start trace experiment"
 164
 165         set test "disconnect"
 166         gdb_test_multiple "disconnect" $test {
 167             -re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
 168                 pass $test
 169
 170                 set test "disconnected"
 171                 gdb_test_multiple "y" $test {
 172                     -re "$gdb_prompt $" {
 173                         pass "$test"
 174                     }
 175                 }
 176             }
 177         }
 178
 179         gdb_exit
 180
 181         if [mi_gdb_start] {
 182             return
 183         }
 184
 185         global srcdir
 186         global subdir
 187         global binfile
 188
 189         mi_gdb_reinitialize_dir $srcdir/$subdir
 190         mi_gdb_load ${binfile}
 191
 192         global gdbserver_protocol
 193         global gdbserver_gdbport
 194
 195         send_gdb "47-target-select $gdbserver_protocol $gdbserver_gdbport\n"
 196
 197         global mi_gdb_prompt
 198         set tsv1_created 0
 199         set tsv2_created 0
 200         gdb_expect {
 201             -re "=tsv-created,name=\"tvar1\",initial=\"0\"" {
 202                 set tsv1_created 1
 203                 exp_continue
 204             }
 205             -re "=tsv-created,name=\"tvar2\",initial=\"45\"" {
 206                 set tsv2_created 1
 207                 exp_continue
 208             }
 209             -re ".*${mi_gdb_prompt}" {
 210
 211             }
 212         }
 213
 214         if $tsv1_created {
 215             pass "tsv1 created"
 216         } else {
 217             fail "tsv1 created"
 218         }
 219         if $tsv2_created {
 220             pass "tsv2 created"
 221         } else {
 222             fail "tsv2 created"
 223         }
 224
 225         set gdbserver_reconnect_p 0
 226     }
 227 }
 228
 229  test_create_delete_modify_tsv
 230
 231 # Test target supports tracepoints or not.
 232
 233 clean_restart $testfile
 234
 235 if ![runto_main] {
 236     fail "can't run to main to check for trace support"
 237     return -1
 238 }
 239
 240 if ![gdb_target_supports_trace] {
 241     unsupported "current target does not support trace"
 242     return -1
 243 }
 244
 245 gdb_exit
 246
 247 test_upload_tsv
 248
 249 return 0