gdb/testsuite/gdb.base/bt-selected-frame.exp

   1 # Copyright 2018-2019 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 # Check that the selected stack frame doesn't change after a backtrace.
  17
  18 standard_testfile
  19
  20 if { [prepare_for_testing "failed to prepare" $testfile $srcfile debug] } {
  21     return -1
  22 }
  23
  24 proc check_selected_frame_after_bt { bt_cmd stack_pattern } {
  25     global binfile
  26
  27     clean_restart $binfile
  28
  29     with_test_prefix $bt_cmd {
  30
  31         if ![runto_main] then {
  32             fail "can't run to main"
  33             return 0
  34         }
  35
  36         gdb_breakpoint "breakpt"
  37         gdb_continue_to_breakpoint "breakpt"
  38
  39         # Visit each frame in the stack and ensure that the selected
  40         # frame doesn't change after executing the backtrace command
  41         # in BT_CMD.
  42         foreach_with_prefix frame {0 1 2} {
  43             if { $frame == 0 } {
  44                 gdb_assert {[get_current_frame_number] == $frame} \
  45                     "check frame"
  46             } else {
  47                 gdb_test "frame $frame" "#$frame .*" "select frame"
  48             }
  49
  50             gdb_test "$bt_cmd" $stack_pattern \
  51                 "perform backtrace command"
  52
  53             gdb_assert {[get_current_frame_number] == $frame} \
  54                 "check frame is still selected"
  55         }
  56     }
  57 }
  58
  59 check_selected_frame_after_bt "bt" \
  60     [multi_line          \
  61          "#0 \[^\n\r\]+" \
  62          "#1 \[^\n\r\]+" \
  63          "#2 \[^\n\r\]+"]
  64
  65 check_selected_frame_after_bt "bt full" \
  66     [multi_line          \
  67          "#0 \[^\n\r\]+" \
  68          "No locals\."   \
  69          "#1 \[^\n\r\]+" \
  70          "No locals\."   \
  71          "#2 \[^\n\r\]+" \
  72          "No locals\."]