1# Copyright 2009-2020 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 16if {[skip_hw_watchpoint_tests]} { 17 return 0 18} 19 20load_lib mi-support.exp 21set MIFLAGS "-i=mi" 22 23standard_testfile .c 24 25if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 26 untested "failed to compile" 27 return 28} 29 30proc test_memory_changed_observer { mi_command } { 31 with_test_prefix "${mi_command}" { 32 global srcfile 33 34 if [mi_gdb_start] { 35 return 36 } 37 mi_run_to_main 38 39 set line_number [gdb_get_line_number "break here"] 40 mi_gdb_test "-break-insert ${srcfile}:${line_number}" \ 41 {\^done,bkpt=.number="2",type="breakpoint".*\}} \ 42 "set breakpoint" 43 44 mi_gdb_test "watch x" ".*" "set watchpoint" 45 46 mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*" ".*" \ 47 { "" "disp=\"keep\"" } "breakpoint hit" 48 49 mi_execute_to "exec-continue" "watchpoint-trigger" "main" "" ".*" ".*" \ 50 { "" "wpt=\{number=\"3\",exp=\"x\"\},value=\{old=\"0\",new=\"42\"\}" } \ 51 "watchpoint hit" 52 53 mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*" ".*" \ 54 { "" "disp=\"keep\"" } "breakpoint hit 2" 55 56 mi_gdb_test "-${mi_command}" {\^done} "set x" 57 58 mi_execute_to "exec-continue" "watchpoint-trigger" "main" "" ".*" ".*" \ 59 { "" "wpt=\{number=\"3\",exp=\"x\"\},value=\{old=\"1\",new=\"42\"\}" } \ 60 "watchpoint hit 2" 61 62 mi_gdb_exit 63 } 64} 65 66test_memory_changed_observer "data-write-memory-bytes &x \"01\"" 67# We want to trigger a target memory write here, so the word size (4 or 8) 68# is not that important. 69test_memory_changed_observer "data-write-memory &x x 4 \"01\"" 70