gdb/testsuite/gdb.ada/task_watch.exp

   1 # Copyright 2009-2022 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 # Test task-specific watchpoints.
  17
  18 load_lib "ada.exp"
  19
  20 if { [skip_ada_tests] } { return -1 }
  21
  22 standard_ada_testfile foo
  23
  24 if {[gdb_compile_ada "${srcfile}" "${binfile}" executable {debug}] != ""} {
  25   return -1
  26 }
  27
  28 clean_restart ${testfile}
  29
  30 set bp_location [gdb_get_line_number "STOP_HERE" ${testdir}/foo.adb]
  31 runto "foo.adb:$bp_location"
  32
  33 # Make sure that all tasks appear in the "info tasks" listing, and
  34 # that the active task is the environment task.
  35 gdb_test "info tasks" \
  36     [join {" +ID +TID P-ID Pri State +Name" \
  37                "\\* +1 .* main_task" \
  38                " +2 .* task_list\\(1\\)" \
  39                " +3 .* task_list\\(2\\)" \
  40                " +4 .* task_list\\(3\\)"} \
  41          "\r\n"] \
  42     "info tasks before inserting breakpoint"
  43
  44 # Insert a watchpoint that should stop only if task 3 stops, and
  45 # extract its number.
  46 set bp_number -1
  47 set test "watch -location value task 3"
  48 gdb_test_multiple $test $test {
  49     -re "atchpoint ($decimal): -location value\r\n$gdb_prompt $" {
  50         set bp_number $expect_out(1,string)
  51         pass $test
  52     }
  53 }
  54
  55 if {$bp_number < 0} {
  56     return
  57 }
  58
  59 # Continue to that watchpoint.  Task 2 should hit it first, and GDB
  60 # is expected to ignore that hit and resume the execution.  Only then
  61 # task 3 will hit our watchpoint, and GDB is expected to stop at that
  62 # point.  Also make sure that GDB reports the correct watchpoint number.
  63 gdb_test "continue" \
  64     ".* hit .*atchpoint $bp_number: -location value.*Old value = 1.*New value = 2.*" \
  65     "continue to watchpoint"
  66
  67 # Check that it is indeed task 3 that hit the watchpoint by checking
  68 # which is the active task.
  69 gdb_test "info tasks" \
  70     [join {" +ID +TID P-ID Pri State +Name" \
  71                " +1 .* main_task" \
  72                " +2 .* task_list\\(1\\)" \
  73                "\\* +3 .* task_list\\(2\\)" \
  74                " +4 .* task_list\\(3\\)"} \
  75          "\r\n"] \
  76     "info tasks after hitting watchpoint"
  77
  78 # Now, resume the execution and make sure that GDB does not stop when
  79 # task 4 hits the watchpoint. Continuing thus results in our program
  80 # running to completion.
  81 set bp_location [gdb_get_line_number "STOP_HERE_2" ${testdir}/foo.adb]
  82 gdb_breakpoint foo.adb:$bp_location
  83 gdb_continue_to_breakpoint second ".*foo.adb:$bp_location.*null; -- STOP_HERE_2"