gdb/testsuite/gdb.base/dprintf-bp-same-addr.exp

   1 # Copyright 2014-2021 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 # Test that GDB doesn't lose control when a breakpoint is set at the
  16 # same address as a dprintf.
  17
  18 standard_testfile
  19
  20 if [prepare_for_testing "failed to prepare" \
  21     ${testfile} ${srcfile} {debug}] {
  22     return -1
  23 }
  24
  25 set dp_location [gdb_get_line_number "set dprintf here"]
  26
  27 proc test { style } {
  28     global gdb_prompt binfile dp_location
  29
  30     with_test_prefix "$style" {
  31         clean_restart $binfile
  32
  33         if ![runto_main] {
  34             fail "can't run to main"
  35             return -1
  36         }
  37
  38         delete_breakpoints
  39
  40         gdb_test_no_output "set dprintf-style $style"
  41
  42         # Enable always-inserted so we can control the breakpoint
  43         # insertion order.
  44         gdb_test_no_output "set breakpoint always-inserted on"
  45
  46         set test "set dprintf"
  47         gdb_test_multiple "dprintf $dp_location, \"y=%d\\n\", y" $test {
  48             -re "cannot run dprintf commands.*$gdb_prompt $" {
  49                 unsupported $test
  50             }
  51             -re "Dprintf .* at .*$gdb_prompt $" {
  52                 pass $test
  53             }
  54         }
  55
  56         # In case of agent style, this should force the target to
  57         # report the trap to GDB.  IOW, GDB should remove the commands
  58         # from the target-side breakpoint.
  59         gdb_test "break $dp_location" ".*" "set breakpoint"
  60
  61         gdb_test "continue" "set dprintf here.*"
  62     }
  63 }
  64
  65 test "gdb"
  66 test "agent"