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197 lines
6.5 KiB
Plaintext
197 lines
6.5 KiB
Plaintext
# Copyright 2008-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Based on a file written by Fred Fish. (fnf@cygnus.com)
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# This file is part of the GDB testsuite. It tests reverse debugging
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# with watchpoints.
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if ![supports_reverse] {
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return
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}
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standard_testfile
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if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
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return -1
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}
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runto main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "turn on process record"
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}
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# Test software watchpoints
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gdb_test_no_output "set can-use-hw-watchpoints 0" "disable hw watchpoints"
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gdb_test "break marker1" \
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"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
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"set breakpoint at marker1"
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gdb_test "break marker2" \
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"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
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"set breakpoint at marker2"
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gdb_continue_to_breakpoint "marker1" ".*$srcfile:.*"
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gdb_test "watch ival3" \
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".*\[Ww\]atchpoint $decimal: ival3.*" \
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"set watchpoint on ival3"
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# Continue until first change, from -1 to 0
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, first time"
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# Continue until the next change, from 0 to 1.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, second time"
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# Continue until the next change, from 1 to 2.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, third time"
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# Continue until the next change, from 2 to 3.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, fourth time"
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# Continue until the next change, from 3 to 4.
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# Note that this one is outside the loop.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, fifth time"
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# Continue until we hit the finishing marker function.
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# Make sure we hit no more watchpoints.
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gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
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###
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###
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###
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gdb_test_no_output "set exec-direction reverse" "set reverse"
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# Reverse until the previous change, from 4 to 3
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# Note that this one is outside the loop
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, first time"
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# Reverse until the previous change, from 3 to 2.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, second time"
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# Reverse until the previous change, from 2 to 1.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, third time"
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# Reverse until the previous change, from 1 to 0.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, fourth time"
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# Reverse until first change, from 0 to -1
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, fifth time"
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gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints"
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###
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###
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###
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gdb_test_no_output "set exec-direction forward" "set forward"
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# Continue until first change, from -1 to 0
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, forward replay, first time"
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# Continue until the next change, from 0 to 1.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, forward replay, second time"
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# Continue until the next change, from 1 to 2.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, forward replay, third time"
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# Continue until the next change, from 2 to 3.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, forward replay, fourth time"
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# Continue until the next change, from 3 to 4.
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# Note that this one is outside the loop.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit, forward replay, fifth time"
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# Continue until we hit the finishing marker function.
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# Make sure we hit no more watchpoints.
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gdb_test "continue" "marker2 .*" "replay forward to marker2"
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###
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###
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###
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gdb_test_no_output "set exec-direction reverse" "set reverse"
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# Reverse until the previous change, from 4 to 3
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# Note that this one is outside the loop
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, HW, first time"
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# Reverse until the previous change, from 3 to 2.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, HW, second time"
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# Reverse until the previous change, from 2 to 1.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, HW, third time"
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# Reverse until the previous change, from 1 to 0.
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, HW, fourth time"
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# Reverse until first change, from 0 to -1
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gdb_test "continue" \
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".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
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"watchpoint hit in reverse, HW, fifth time"
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