gdb/testsuite/gdb.base/watch-cond.exp

   1 # Copyright 2010-2021 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 #
  17 # Tests involving watchpoint conditions with local expressions.
  18 #
  19
  20 standard_testfile .c
  21
  22 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  23     return -1
  24 }
  25
  26 # Disable hardware watchpoints if necessary.
  27 if [target_info exists gdb,no_hardware_watchpoints] {
  28     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  29 }
  30
  31 if ![runto_main] then {
  32     fail "can't run to main"
  33     return
  34 }
  35
  36 gdb_test "watch global if q > 10" \
  37     "atchpoint .*: global" \
  38     "set write watchpoint on global variable, local condition"
  39
  40 gdb_test "continue" \
  41     "Old value = 10.*New value = 11.*" \
  42     "watchpoint with global expression, local condition evaluates in correct frame"
  43
  44 clean_restart ${testfile}
  45
  46 # Disable hardware watchpoints if necessary.
  47 if [target_info exists gdb,no_hardware_watchpoints] {
  48     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  49 }
  50
  51 if ![runto_main] then {
  52     fail "can't run to main"
  53     return
  54 }
  55
  56 gdb_test "watch q if q > 10" \
  57     "atchpoint .*: q" \
  58     "set write watchpoint on local variable, local condition"
  59
  60 gdb_test "continue" \
  61     "Old value = 10.*New value = 11.*" \
  62     "watchpoint with local expression, local condition evaluates in correct frame"
  63
  64 clean_restart ${testfile}
  65
  66 # Disable hardware watchpoints if necessary.
  67 if [target_info exists gdb,no_hardware_watchpoints] {
  68     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  69 }
  70
  71 if ![runto_main] then {
  72     fail "can't run to main"
  73     return
  74 }
  75
  76 gdb_test "watch global2" \
  77     "atchpoint.*" \
  78     "set write watchpoint on global2 variable"
  79
  80 gdb_test "continue" \
  81     "Old value = 0.*New value = 1.*" \
  82     "watchpoint on global2 variable triggers"
  83
  84 gdb_test_no_output "condition 2 *foo > 10" \
  85     "condition of watchpoint 2 changes"
  86
  87 gdb_test "continue" \
  88     ".*condition cannot be tested in the current scope.*Old value = 1.*New value = 2.*" \
  89     "watchpoint stops with untestable local expression"