gdb/testsuite/gdb.base/clear_non_user_bp.exp

   1 # Copyright 2022-2023 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 # Regression test for PR gdb/7161.  Test that GDB cannot delete non-user
  17 # breakpoints with clear command.
  18
  19 # get_first_maint_bp_num
  20 #
  21 # Purpose:
  22 #    Get the first number of all internal breakpoints when using command
  23 #    "maint info breakpoints".
  24 #
  25 # Parameter:
  26 #    None.
  27 #
  28 # Return:
  29 #    Internal breakpoint number, which is negative.
  30 #
  31 proc get_first_maint_bp_num { } {
  32     gdb_test_multiple "maint info break" "find first internal bp num" {
  33         -re -wrap "(-\[0-9\]).*" {
  34             return $expect_out(1,string)
  35         }
  36     }
  37     return ""
  38 }
  39
  40 standard_testfile .c
  41
  42 # This testcase just needs a "Hello world" source file, reuse
  43 # gdb.base/main.c instead of adding a new one.
  44 if  { [gdb_compile "${srcdir}/${subdir}/main.c" "${binfile}" executable {debug}] != "" } {
  45     untested "failed to compile"
  46     return -1
  47 }
  48
  49 # Start with a fresh gdb.
  50 clean_restart ${binfile}
  51
  52 if {![runto_main]} {
  53     return 0
  54 }
  55
  56 set bp_num [get_first_maint_bp_num]
  57 set bp_addr [gdb_get_bp_addr $bp_num]
  58
  59 gdb_test "maint info break $bp_num" \
  60     "$bp_num.*$bp_addr.*" \
  61     "maint info breakpoint \$bp_num"
  62
  63 gdb_test "clear *$bp_addr" \
  64     "No breakpoint at \\*$bp_addr." \
  65     "clear internal breakpoint"
  66
  67 # Check again, make sure that GDB really didn't delete the internal breakpoint.
  68 gdb_test "maint info break $bp_num" \
  69     "$bp_num.*$bp_addr.*" \
  70     "maint info breakpoint \$bp_num after clear"
  71