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

   1 # Copyright 2018-2023 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 { [build_executable "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]} {
  32             return 0
  33         }
  34
  35         gdb_breakpoint "breakpt"
  36         gdb_continue_to_breakpoint "breakpt"
  37
  38         # Visit each frame in the stack and ensure that the selected
  39         # frame doesn't change after executing the backtrace command
  40         # in BT_CMD.
  41         foreach_with_prefix frame {0 1 2} {
  42             if { $frame == 0 } {
  43                 gdb_assert {[get_current_frame_number] == $frame} \
  44                     "check frame"
  45             } else {
  46                 gdb_test "frame $frame" "#$frame .*" "select frame"
  47             }
  48
  49             gdb_test "$bt_cmd" $stack_pattern \
  50                 "perform backtrace command"
  51
  52             gdb_assert {[get_current_frame_number] == $frame} \
  53                 "check frame is still selected"
  54         }
  55     }
  56 }
  57
  58 check_selected_frame_after_bt "bt" \
  59     [multi_line          \
  60          "#0 \[^\n\r\]+" \
  61          "#1 \[^\n\r\]+" \
  62          "#2 \[^\n\r\]+"]
  63
  64 check_selected_frame_after_bt "bt full" \
  65     [multi_line          \
  66          "#0 \[^\n\r\]+" \
  67          "No locals\."   \
  68          "#1 \[^\n\r\]+" \
  69          "No locals\."   \
  70          "#2 \[^\n\r\]+" \
  71          "No locals\."]