a79d3c27d1
Fix repeated rwatch output. * amd64-linux-nat.c (amd64_linux_dr_set, amd64_linux_dr_set_control) (amd64_linux_dr_set_addr, amd64_linux_dr_reset_addr) (amd64_linux_dr_get_status): New comments. (amd64_linux_dr_unset_status): New function. (_initialize_amd64_linux_nat): Install it. * i386-linux-nat.c (i386_linux_dr_get, i386_linux_dr_set) (i386_linux_dr_set_control, i386_linux_dr_set_addr) (i386_linux_dr_reset_addr, i386_linux_dr_get_status): New comments. (i386_linux_dr_unset_status): New function. (_initialize_i386_linux_nat): Install it. * i386-nat.c (I386_DR_WATCH_MASK): New macro. (I386_DR_WATCH_HIT): Use I386_DR_WATCH_MASK. (i386_insert_aligned_watchpoint): Call i386_dr_low.unset_status. * i386-nat.h (struct i386_dr_low_type): Extend comments for set_control, set_addr, reset_addr and get_status. New unset_status. * breakpoint.c (update_watchpoint): Extend the comment. gdb/testsuite/ * gdb.base/watchpoint-hw-hit-once.exp, gdb.base/watchpoint-hw-hit-once.c: New.
43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
# Copyright 2009 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 <http://www.gnu.org/licenses/>.
|
|
|
|
# Arch not supporting hw watchpoints does not imply no_hardware_watchpoints set.
|
|
if {(![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"]
|
|
&& ![istarget "ia64-*-*"] && ![istarget "s390*-*-*"])
|
|
|| [target_info exists gdb,no_hardware_watchpoints]} then {
|
|
verbose "Skipping watchpoint-hw-hit-once test."
|
|
return
|
|
}
|
|
|
|
set test watchpoint-hw-hit-once
|
|
set srcfile ${test}.c
|
|
if { [prepare_for_testing ${test}.exp ${test} ${srcfile}] } {
|
|
return -1
|
|
}
|
|
|
|
if ![runto_main] {
|
|
return -1
|
|
}
|
|
|
|
gdb_test "rwatch watchee"
|
|
|
|
gdb_breakpoint [gdb_get_line_number "break-at-exit"]
|
|
|
|
gdb_test "continue" "Continuing.\r\nHardware read watchpoint \[0-9\]+: watchee\r\n\r\nValue = 0\r\n.*"
|
|
|
|
# Here should be no repeated notification of the read watchpoint.
|
|
gdb_test "continue" \
|
|
"Continuing\\.\[ \r\n\]+Breakpoint \[0-9\]+, .*break-at-exit.*" \
|
|
"continue to break-at-exit"
|