1# Copyright 2011-2015 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 [target_info exists gdb,no_hardware_watchpoints] { 17 return -1 18} 19 20if { ![support_displaced_stepping] } { 21 unsupported "displaced stepping" 22 return -1 23} 24 25load_lib mi-support.exp 26set MIFLAGS "-i=mi" 27 28gdb_exit 29if {[mi_gdb_start]} { 30 continue 31} 32 33proc mi_nonstop_resume { command test } { 34 if { [mi_send_resuming_command $command $test] != 0 } { 35 # If a resume fails, assume non-stop is broken or unsupported 36 # for this target. We have logged a FAIL or UNSUPPORTED; skip 37 # the remaining tests to limit timeouts. 38 return -code continue 39 } 40} 41 42# 43# Start here 44# 45standard_testfile watch-nonstop.c 46 47if {[gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable {debug}] != "" } { 48 return -1 49} 50 51mi_gdb_reinitialize_dir $srcdir/$subdir 52mi_gdb_load $binfile 53 54mi_gdb_test "-gdb-set non-stop 1" ".*" 55mi_gdb_test "-gdb-set mi-async 1" ".*" 56mi_detect_async 57 58if { [mi_run_to_main] < 0 } { 59 continue 60} 61 62# Set a watchpoint. 63mi_gdb_test "111-break-watch global" \ 64 "111\\^done,wpt=\{number=\"2\",exp=\"global\"\}" \ 65 "break-watch operation" 66 67# Set the target running. 68mi_nonstop_resume "exec-continue" "resume 1" 69 70# Now try deleting the watchpoint. This would fail with "Couldn't 71# write debug register: No such process." on GNU/Linux, because we'd 72# try to poke at the debug registers of a running thread. 73mi_gdb_test "777-break-delete 2" \ 74 "777\\^done" \ 75 "delete watchpoint" 76