1 # Copyright 2014 Free Software Foundation, Inc.
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.
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.
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/>.
16 if {[skip_hw_breakpoint_tests]} {
22 if {[prepare_for_testing "failed to prepare" ${testfile} ${srcfile}]} {
27 fail "Can't run to main"
31 # If we can read the memory at address 0, skip the test.
32 gdb_test_multiple "x 0" "memory at address 0" {
33 -re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
34 -re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
35 -re ".*$gdb_prompt $" {
36 untested "Memory at address 0 is readable"
43 # Test whether the target supports hardware breakpoints at all.
46 set test "probe hardware breakpoint support"
47 gdb_test_multiple "hbreak main" $test {
48 -re "No hardware breakpoint support in the target.*$gdb_prompt $" {
51 -re "Hardware breakpoints used exceeds limit.*$gdb_prompt $" {
54 -re "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*$gdb_prompt $" {
60 if {!$supports_hbreak} {
61 unsupported "hardware breakpoints"
67 # Force immediate breakpoint insertion.
68 gdb_test_no_output "set breakpoint always-inserted on"
70 # Hardware breakpoints are implemented using a mechanism that is not
71 # dependent on being able to modify the target's memory, we should be
72 # able to set them even in unmapped memory areas.
73 gdb_test "hbreak *0" "Hardware assisted breakpoint \[0-9\]+ at 0x0"
75 gdb_test "info break" "hw breakpoint.*y.*0x0\+\[ \t\]\+" \
76 "info break shows hw breakpoint"
78 gdb_test_no_output "delete \$bpnum" "" "delete" \
79 "delete hw breakpoint"
81 gdb_test "info break" "No breakpoints or watchpoints\." \
82 "info break shows no breakpoints"