# This testcase is part of GDB, the GNU debugger. # Copyright 2010, 2011 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # Test GDB bug report 11531. # This is a problem related to CANNOT_STEP_HW_WATCHPOINTS macro. # It affects Solaris native targets. if $tracelevel then { strace $tracelevel } set testfile "gdb11531" if { [prepare_for_testing $testfile.exp $testfile $testfile.c {debug}] } { return -1; } # Disable hardware watchpoints if necessary. if [target_info exists gdb,no_hardware_watchpoints] { gdb_test_no_output "set can-use-hw-watchpoints 0" "" } if { ![runto main] } then { fail "run to main" return } # The breakpoint is probably at the instruction where the value being # watched (myrec.x) gets updated. This is the instruction where we # expect to receive a watchpoint notification when we do the "stepi" # below. However, having the breakpoint at the same location as this # intruction can possibly interfere with our testcase, as stepping # over the breakpoint in order to get past it may incorrectly lead # to the debugger missing the watchpoint hit. This would be a bug # in GDB, but this is not the bug that we are trying to test here. # So, we remove all breakpoints first. delete_breakpoints set nl "\[\r\n\]+" gdb_test "watch myrec.x" ".*atchpoint \[0-9\]+: myrec\.x" "Set watchpoint" gdb_test "next" \ ".*${nl}.*atchpoint \[0-9\]+: myrec\.x${nl}Old value = 0${nl}New value = 5${nl}.*" \ "watchpoint variable triggers at next" gdb_test "continue" \ ".*${nl}.*atchpoint \[0-9\]+: myrec\.x${nl}Old value = 5${nl}New value = 78${nl}.*" \ "watchpoint variable triggers at continue"