gdb/testsuite/gdb.ada/tasks.exp

   1 # Copyright 2009-2021 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 "ada.exp"
  17
  18 if { [skip_ada_tests] } { return -1 }
  19
  20 standard_ada_testfile foo
  21
  22 if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug ]] != "" } {
  23   return -1
  24 }
  25
  26 clean_restart ${testfile}
  27
  28 set bp_location [gdb_get_line_number "STOP_HERE" ${testdir}/foo.adb]
  29 runto "foo.adb:$bp_location"
  30
  31 # Make sure that all tasks appear in the "info tasks" listing, and
  32 # that the active task is the environment task.
  33 gdb_test "info tasks" \
  34          [join {" +ID +TID P-ID Pri State +Name" \
  35                 "\\* +1 .* main_task" \
  36                 " +2 .* task_list\\(1\\)" \
  37                 " +3 .* task_list\\(2\\)" \
  38                 " +4 .* task_list\\(3\\)"} \
  39                "\r\n"] \
  40          "info tasks before inserting breakpoint"
  41
  42 # Insert a breakpoint that should stop only if task 1 stops.  Since
  43 # task 1 never calls break_me, this shouldn't actually ever trigger.
  44 # The fact that this breakpoint is created _before_ the next one
  45 # matters.  GDB used to have a bug where it would report the first
  46 # breakpoint in the list that matched the triggered-breakpoint's
  47 # address, no matter which task it was specific to.
  48 gdb_test "break break_me task 1" "Breakpoint .* at .*"
  49
  50 # Now, insert a breakpoint that should stop only if task 3 stops, and
  51 # extract its number.
  52 set bp_number -1
  53 set test "break break_me task 3"
  54 gdb_test_multiple $test $test {
  55     -re "Breakpoint (.*) at .*$gdb_prompt $" {
  56         set bp_number $expect_out(1,string)
  57         pass $test
  58     }
  59 }
  60
  61 if {$bp_number < 0} {
  62     return
  63 }
  64
  65 # Continue to that breakpoint.  Task 2 should hit it first, and GDB
  66 # is expected to ignore that hit and resume the execution.  Only then
  67 # task 3 will hit our breakpoint, and GDB is expected to stop at that
  68 # point.  Also make sure that GDB reports the correct breakpoint number.
  69 gdb_test "continue" \
  70          ".*Breakpoint $bp_number, foo.break_me \\(\\).*" \
  71          "continue to breakpoint"
  72
  73 # Check that it is indeed task 3 that hit the breakpoint by checking
  74 # which is the active task.
  75 gdb_test "info tasks" \
  76          [join {" +ID +TID P-ID Pri State +Name" \
  77                 " +1 .* main_task" \
  78                 " +2 .* task_list\\(1\\)" \
  79                 "\\* +3 .* task_list\\(2\\)" \
  80                 " +4 .* task_list\\(3\\)"} \
  81                "\r\n"] \
  82          "info tasks after hitting breakpoint"
  83
  84 # Now, resume the execution and make sure that GDB does not stop when
  85 # task 4 hits the breakpoint. Continuing thus results in our program
  86 # running to completion.
  87 set bp_location [gdb_get_line_number "STOP_HERE_2" ${testdir}/foo.adb]
  88 gdb_breakpoint foo.adb:$bp_location
  89 gdb_continue_to_breakpoint second ".*foo.adb:$bp_location.*null; -- STOP_HERE_2"
  90
  91 # A regression test for a crash caused by trying to find the thread
  92 # for a terminated task.
  93 gdb_test "interpreter-exec mi \"-ada-task-info\"" ".*"