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2009-10-19 Michael Snyder <msnyder@vmware.com>

Browse Source 
* gdb.reverse/break-precsave.exp: New test.
	* gdb.reverse/consecutive-precsave.exp: Ditto.
	* gdb.reverse/finish-precsave.exp: Ditto.
	* gdb.reverse/i386-precsave.exp: Ditto.
	* gdb.reverse/machinestate-precsave.exp: Ditto.
	* gdb.reverse/sigall-precsave.exp: Ditto.
	* gdb.reverse/solilb-precsave.exp: Ditto.
	* gdb.reverse/step-precsave.exp: Ditto.
	* gdb.reverse/until-precsave.exp: Ditto.
	* gdb.reverse/watch-precsave.exp: Ditto.
This commit is contained in:
Michael Snyder 2009-10-22 19:58:26 +00:00
parent 4cf866a3ee
commit 02506ff1ad
11 changed files with 2212 additions and 0 deletions
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13
gdb/testsuite/ChangeLog
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@ -1,3 +1,16 @@
2009-10-22 Michael Snyder <msnyder@vmware.com>
* gdb.reverse/break-precsave.exp: New test.
* gdb.reverse/consecutive-precsave.exp: Ditto.
* gdb.reverse/finish-precsave.exp: Ditto.
* gdb.reverse/i386-precsave.exp: Ditto.
* gdb.reverse/machinestate-precsave.exp: Ditto.
* gdb.reverse/sigall-precsave.exp: Ditto.
* gdb.reverse/solilb-precsave.exp: Ditto.
* gdb.reverse/step-precsave.exp: Ditto.
* gdb.reverse/until-precsave.exp: Ditto.
* gdb.reverse/watch-precsave.exp: Ditto.
2009-10-22 Michael Snyder <msnyder@vmware.com>
* gdb.reverse/consecutive-reverse.exp: Substitute gdb_test_multiple

107
gdb/testsuite/gdb.reverse/break-precsave.exp Normal file
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# Copyright 2008, 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/>.
# This file is part of the GDB testsuite. It tests reverse debugging
# with breakpoints in a process record logfile.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "break-reverse"
set srcfile ${testfile}.c
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
set foo_location [gdb_get_line_number "break in foo" ]
set bar_location [gdb_get_line_number "break in bar" ]
set main_location [gdb_get_line_number "break in main"]
set end_location [gdb_get_line_number "end of main" ]
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
gdb_test "break $end_location" \
"Breakpoint $decimal at .*/$srcfile, line $end_location\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save break.precsave" \
"Saved core file break.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore break.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
gdb_test "break foo" \
"Breakpoint $decimal at .* line $foo_location\." \
"set breakpoint on foo"
gdb_test "break bar" \
"Breakpoint $decimal at .* line $bar_location\." \
"set breakpoint on bar"
gdb_continue_to_breakpoint "foo" ".*/$srcfile:$foo_location.*"
gdb_continue_to_breakpoint "bar" ".*/$srcfile:$bar_location.*"
gdb_test_multiple "continue" "go to end of main forward" {
-re ".*Breakpoint $decimal,.*/$srcfile:$end_location.*$gdb_prompt $" {
pass "go to end of main forward"
}
-re "No more reverse-execution history.* end of main .*$gdb_prompt $" {
pass "go to end of main forward"
}
}
# FIXME 'set exec-dir' command should give some output so we can test.
gdb_test "set exec-direction reverse" "" "set reverse"
gdb_continue_to_breakpoint "bar backward" ".*/$srcfile:$bar_location.*"
gdb_continue_to_breakpoint "foo backward" ".*/$srcfile:$foo_location.*"
gdb_test_multiple "continue" "main backward" {
-re ".*Breakpoint $decimal,.*/$srcfile:$main_location.*$gdb_prompt $" {
pass "main backward"
}
-re "No more reverse-execution history.* break in main .*$gdb_prompt $" {
pass "main backward"
}
}
gdb_test "set exec-direction forward" "" "set forward"
gdb_continue_to_breakpoint "foo" ".*/$srcfile:$foo_location.*"
gdb_continue_to_breakpoint "bar" ".*/$srcfile:$bar_location.*"
gdb_test_multiple "continue" "end of record log" {
-re ".*Breakpoint $decimal,.*/$srcfile:$end_location.*$gdb_prompt $" {
pass "end of record log"
}
-re "No more reverse-execution history.* end of main .*$gdb_prompt $" {
pass "end of record log"
}
}

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gdb/testsuite/gdb.reverse/consecutive-precsave.exp Normal file
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# Copyright 2008, 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/>.
# This file is part of the GDB testsuite. It tests stepping over
# consecutive instructions in a process record logfile.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "consecutive-reverse"
set srcfile ${testfile}.c
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_location [gdb_get_line_number "end of main" ]
gdb_test "break $end_location" \
"Breakpoint $decimal at .*/$srcfile, line $end_location\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save consecutive.precsave" \
"Saved core file consecutive.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore consecutive.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
gdb_breakpoint foo
gdb_test "continue" "Breakpoint $decimal, foo .*" \
"continue to breakpoint in foo"
set foo1_addr 0
set foo2_addr 0
set stop_addr 0
send_gdb "x /2i \$pc\n"
gdb_expect {
global hex
global foo1_addr
global foo2_addr
global gdb_prompt
-re "($hex).*\[\r\n\]+($hex).*$gdb_prompt $" {
set foo1_addr $expect_out(1,string)
set foo2_addr $expect_out(2,string)
pass "get breakpoint address for foo"
}
-re ".*$gdb_prompt $" {
fail "get breakpoint address for foo"
return 0;
}
timeout {
fail "get breakpoint address for foo (timeout)"
return 0;
}
}
gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
"set bp, 2nd instr"
set testmsg "stopped at bp, 2nd instr"
gdb_test_multiple "step" $testmsg {
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
set stop_addr $expect_out(1,string)
if [eval expr "$foo2_addr == $stop_addr"] then {
pass "stopped at bp, 2nd instr"
} else {
fail "stopped at bp, 2nd instr (wrong address)"
}
}
}
###
###
###
# Set reverse execution direction
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "set exec-dir reverse" "" "set reverse execution"
# Now step backward and hope to hit the first breakpoint.
set test_msg "stopped at bp in reverse, 1st instr"
gdb_test_multiple "step" "$test_msg" {
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
set stop_addr $expect_out(1,string)
if [eval expr "$foo1_addr == $stop_addr"] then {
pass "$test_msg"
} else {
fail "$test_msg (wrong address)"
}
}
-re "Breakpoint $decimal, foo.*$gdb_prompt $" {
send_gdb "print \$pc == $foo1_addr\n"
gdb_expect {
-re "$decimal = 1\[\r\n\]+$gdb_prompt $" {
pass "$test_msg"
}
-re "$decimal = 0\[\r\n\]+$gdb_prompt $" {
fail "$test_msg (wrong address)"
}
}
}
-re ".*$gdb_prompt $" {
fail "$test_msg"
}
}

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gdb/testsuite/gdb.reverse/finish-precsave.exp Normal file
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# Copyright 2008, 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/>.
# This file is part of the GDB testsuite. It tests 'finish' with
# reverse debugging.
if ![target_info exists gdb,can_reverse] {
return
}
set testfile "finish-reverse"
set srcfile ${testfile}.c
if { [prepare_for_testing $testfile.exp "$testfile" $srcfile] } {
return -1
}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
# Run until end, then save execution log.
set breakloc [gdb_get_line_number "end of main" "$srcfile"]
gdb_test "break $breakloc" \
"Breakpoint $decimal at .*/$srcfile, line $breakloc\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save finish.precsave" \
"Saved core file finish.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore finish.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
# Test finish from void func
set breakloc [gdb_get_line_number "VOID FUNC" "$srcfile"]
gdb_test "break void_func" \
"Breakpoint $decimal at .*/$srcfile, line $breakloc\." \
"set breakpoint on void_func"
gdb_continue_to_breakpoint "void_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from void_func"
gdb_test_multiple "finish" "$test_msg" {
-re " call to void_func .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " void_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test finish from char func
set breakloc [gdb_get_line_number "CHAR FUNC" "$srcfile"]
gdb_test "break char_func" \
"Breakpoint $decimal at .*/$srcfile, line $breakloc\." \
"set breakpoint on char_func"
gdb_continue_to_breakpoint "char_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from char_func"
gdb_test_multiple "finish" "$test_msg" {
-re " void_checkpoint .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " char_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test finish from short func
set breakloc [gdb_get_line_number "SHORT FUNC" "$srcfile"]
gdb_test "break short_func" \
"Breakpoint $decimal at .* line $breakloc\." \
"set breakpoint on short_func"
gdb_continue_to_breakpoint "short_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from short_func"
gdb_test_multiple "finish" "$test_msg" {
-re " char_checkpoint .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " short_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test finish from int func
set breakloc [gdb_get_line_number "INT FUNC" "$srcfile"]
gdb_test "break int_func" \
"Breakpoint $decimal at .* line $breakloc\." \
"set breakpoint on int_func"
gdb_continue_to_breakpoint "int_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from int_func"
gdb_test_multiple "finish" "$test_msg" {
-re " short_checkpoint .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " int_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test finish from long func
set breakloc [gdb_get_line_number "LONG FUNC" "$srcfile"]
gdb_test "break long_func" \
"Breakpoint $decimal at .* line $breakloc\." \
"set breakpoint on long_func"
gdb_continue_to_breakpoint "long_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from long_func"
gdb_test_multiple "finish" "$test_msg" {
-re " int_checkpoint .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " long_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test finish from long long func
set breakloc [gdb_get_line_number "LONG LONG FUNC" "$srcfile"]
gdb_test "break long_long_func" \
"Breakpoint $decimal at .* line $breakloc\." \
"set breakpoint on long_long_func"
gdb_continue_to_breakpoint "long_long_func" ".*/$srcfile:$breakloc.*"
set test_msg "finish from long_long_func"
gdb_test_multiple "finish" "$test_msg" {
-re " long_checkpoint .*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re " long_long_checkpoint .*$gdb_prompt $" {
pass "$test_msg"
}
}
###
###
###
# Now switch to reverse
gdb_test "set exec-dir reverse" "" "set reverse execution"
# Test reverse finish from long long func
set breakloc [gdb_get_line_number "LONG LONG FUNC" "$srcfile"]
gdb_continue_to_breakpoint "long_long_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from long_long_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* long_checkpoint.*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test reverse finish from long func
set breakloc [gdb_get_line_number "LONG FUNC" "$srcfile"]
gdb_continue_to_breakpoint "long_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from long_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* int_checkpoint.*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test reverse finish from int func
set breakloc [gdb_get_line_number "INT FUNC" "$srcfile"]
gdb_continue_to_breakpoint "int_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from int_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* short_checkpoint.*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test reverse finish from short func
set breakloc [gdb_get_line_number "SHORT FUNC" "$srcfile"]
gdb_continue_to_breakpoint "short_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from short_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* char_checkpoint.*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test reverse finish from char func
set breakloc [gdb_get_line_number "CHAR FUNC" "$srcfile"]
gdb_continue_to_breakpoint "char_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from char_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* void_checkpoint.*$gdb_prompt $" {
pass "$test_msg"
}
}
# Test reverse finish from void func
set breakloc [gdb_get_line_number "VOID FUNC" "$srcfile"]
gdb_continue_to_breakpoint "void_func" ".*/$srcfile:$breakloc.*"
set test_msg "reverse finish from void_func"
gdb_test_multiple "finish" "$test_msg" {
-re ".* call to void_func.*$gdb_prompt $" {
pass "$test_msg"
}
}

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gdb/testsuite/gdb.reverse/i386-precsave.exp Normal file
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# 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/>.
# This file is part of the gdb testsuite.
#
# This test tests some i386 general instructions with a precord dumpfile.
#
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
if $tracelevel {
strace $tracelevel
}
set prms_id 0
set bug_id 0
if ![istarget "i?86-*linux*"] then {
verbose "Skipping i386 reverse tests."
return
}
set testfile "i386-reverse"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# some targets have leading underscores on assembly symbols.
# TODO: detect this automatically
set additional_flags ""
if [istarget "i?86-*-cygwin*"] then {
set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
untested i386-reverse
return -1
}
set end_of_main [gdb_get_line_number " end of main "]
set end_of_inc_dec_tests [gdb_get_line_number " end inc_dec_tests "]
# Get things started.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
global hex
global decimal
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save i386.precsave" \
"Saved core file i386.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore i386.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
gdb_test "step" "inc .eax.*" "step to inc eax 1st time"
send_gdb "info reg eax\n"
gdb_expect {
-re "eax *($hex)\t.*$gdb_prompt " {
set preinc_eax $expect_out(1,string)
}
}
gdb_test "step" "inc .ecx.*" "step to inc ecx 1st time"
send_gdb "info reg ecx\n"
gdb_expect {
-re "ecx *($hex)\t.*$gdb_prompt " {
set preinc_ecx $expect_out(1,string)
}
}
gdb_test "step" "inc .edx.*" "step to inc edx 1st time"
send_gdb "info reg edx\n"
gdb_expect {
-re "edx *($hex)\t.*$gdb_prompt " {
set preinc_edx $expect_out(1,string)
}
}
gdb_test "step" "inc .ebx.*" "step to inc ebx 1st time"
send_gdb "info reg ebx\n"
gdb_expect {
-re "ebx *($hex)\t.*$gdb_prompt " {
set preinc_ebx $expect_out(1,string)
}
}
gdb_test "step" "inc .esp.*" "step to inc esp 1st time"
send_gdb "info reg esp\n"
gdb_expect {
-re "esp *($hex)\t.*$gdb_prompt " {
set preinc_esp $expect_out(1,string)
}
}
gdb_test "step" "inc .ebp.*" "step to inc ebp 1st time"
send_gdb "info reg ebp\n"
gdb_expect {
-re "ebp *($hex)\t.*$gdb_prompt " {
set preinc_ebp $expect_out(1,string)
}
}
gdb_test "step" "inc .esi.*" "step to inc esi 1st time"
send_gdb "info reg esi\n"
gdb_expect {
-re "esi *($hex)\t.*$gdb_prompt " {
set preinc_esi $expect_out(1,string)
}
}
gdb_test "step" "inc .edi.*" "step to inc edi 1st time"
send_gdb "info reg edi\n"
gdb_expect {
-re "edi *($hex)\t.*$gdb_prompt " {
set preinc_edi $expect_out(1,string)
}
}
gdb_test "step" "dec .eax.*" "step to dec eax 1st time"
send_gdb "info reg eax\n"
gdb_expect {
-re "eax *($hex)\t.*$gdb_prompt " {
set predec_eax $expect_out(1,string)
}
}
gdb_test "step" "dec .ecx.*" "step to dec ecx 1st time"
send_gdb "info reg ecx\n"
gdb_expect {
-re "ecx *($hex)\t.*$gdb_prompt " {
set predec_ecx $expect_out(1,string)
}
}
gdb_test "step" "dec .edx.*" "step to dec edx 1st time"
send_gdb "info reg edx\n"
gdb_expect {
-re "edx *($hex)\t.*$gdb_prompt " {
set predec_edx $expect_out(1,string)
}
}
gdb_test "step" "dec .ebx.*" "step to dec ebx 1st time"
send_gdb "info reg ebx\n"
gdb_expect {
-re "ebx *($hex)\t.*$gdb_prompt " {
set predec_ebx $expect_out(1,string)
}
}
gdb_test "step" "dec .esp.*" "step to dec esp 1st time"
send_gdb "info reg esp\n"
gdb_expect {
-re "esp *($hex)\t.*$gdb_prompt " {
set predec_esp $expect_out(1,string)
}
}
gdb_test "step" "dec .ebp.*" "step to dec ebp 1st time"
send_gdb "info reg ebp\n"
gdb_expect {
-re "ebp *($hex)\t.*$gdb_prompt " {
set predec_ebp $expect_out(1,string)
}
}
gdb_test "step" "dec .esi.*" "step to dec esi 1st time"
send_gdb "info reg esi\n"
gdb_expect {
-re "esi *($hex)\t.*$gdb_prompt " {
set predec_esi $expect_out(1,string)
}
}
gdb_test "step" "dec .edi.*" "step to dec edi 1st time"
send_gdb "info reg edi\n"
gdb_expect {
-re "edi *($hex)\t.*$gdb_prompt " {
set predec_edi $expect_out(1,string)
}
}
# gdb_test "step" "end inc_dec_tests .*" "step to end inc_dec_tests 1st time"
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .* line $end_of_main\." \
"set breakpoint at end of main"
gdb_test "continue" \
" end of main .*" \
"continue to end of main"
gdb_test "break $end_of_inc_dec_tests" \
"Breakpoint $decimal at .* line $end_of_inc_dec_tests\." \
"set breakpoint at end of inc_dec_tests"
gdb_test "reverse-continue" \
" end inc_dec_tests .*" \
"reverse to inc_dec_tests"
#
# Now reverse step, and check register values.
#
gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi before reverse-dec"
gdb_test "reverse-step" "dec .edi.*" "reverse-step to dec edi"
gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi after reverse-dec"
gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi before reverse-dec"
gdb_test "reverse-step" "dec .esi.*" "reverse-step to dec esi"
gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi after reverse-dec"
gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp before reverse-dec"
gdb_test "reverse-step" "dec .ebp.*" "reverse-step to dec ebp"
gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp after reverse-dec"
gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp before reverse-dec"
gdb_test "reverse-step" "dec .esp.*" "reverse-step to dec esp"
gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp after reverse-dec"
gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx before reverse-dec"
gdb_test "reverse-step" "dec .ebx.*" "reverse-step to dec ebx"
gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx after reverse-dec"
gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx before reverse-dec"
gdb_test "reverse-step" "dec .edx.*" "reverse-step to dec edx"
gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx after reverse-dec"
gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx before reverse-dec"
gdb_test "reverse-step" "dec .ecx.*" "reverse-step to dec ecx"
gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx after reverse-dec"
gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax before reverse-dec"
gdb_test "reverse-step" "dec .eax.*" "reverse-step to dec eax"
gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax after reverse-dec"
gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi before reverse-inc"
gdb_test "reverse-step" "inc .edi.*" "reverse-step to inc edi"
gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi after reverse-inc"
gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi before reverse-inc"
gdb_test "reverse-step" "inc .esi.*" "reverse-step to inc esi"
gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi after reverse-inc"
gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp before reverse-inc"
gdb_test "reverse-step" "inc .ebp.*" "reverse-step to inc ebp"
gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp after reverse-inc"
gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp before reverse-inc"
gdb_test "reverse-step" "inc .esp.*" "reverse-step to inc esp"
gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp after reverse-inc"
gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx before reverse-inc"
gdb_test "reverse-step" "inc .ebx.*" "reverse-step to inc ebx"
gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx after reverse-inc"
gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx before reverse-inc"
gdb_test "reverse-step" "inc .edx.*" "reverse-step to inc edx"
gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx after reverse-inc"
gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx before reverse-inc"
gdb_test "reverse-step" "inc .ecx.*" "reverse-step to inc ecx"
gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx after reverse-inc"
gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax before reverse-inc"
gdb_test "reverse-step" "inc .eax.*" "reverse-step to inc eax"
gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax after reverse-inc"

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# Copyright 2008, 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/>.
# This file is part of the GDB testsuite.
# This test tests the restoration of various kinds of machine state
# to their original values with a process record log. We will execute
# the program forward while it changes various types of data, and
# then execute it backward to see if their values get restored.
#
# The types of machine state (data) that are tested are:
# register variable
# auto variable
# function static variable
# module static variable
# module global variable
#
# TODO:
# various, possibly including...
# .bss variable, .data variable, ...
# shared library variable
# heap variable (pointer)...
# overlay variables...
# Test forward replay
#
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "machinestate"
set srcfile ${testfile}.c
set srcfile1 ms1.c
if { [prepare_for_testing $testfile.exp $testfile {machinestate.c ms1.c} ] } {
return -1
}
set newline "\[\r\n\]+"
set beginmain [gdb_get_line_number " begin main " $srcfile]
set endmain [gdb_get_line_number " end main " $srcfile]
# Test begins
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
gdb_test "break $endmain" \
"Breakpoint $decimal at .*/$srcfile, line $endmain\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end main .*" "run to end of main"
gdb_test "record save machinestate.precsave" \
"Saved core file machinestate.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore machinestate.precsave" \
"Program terminated with signal .*" \
"reload prec save file"
# Proceed to end of main
gdb_test "break $endmain" \
"Breakpoint.* file .*/$srcfile, line $endmain.*" ""
gdb_test_multiple "continue" "go to end of main forward" {
-re ".*Breakpoint $decimal,.*/$srcfile:$endmain.*$gdb_prompt $" {
pass "go to end of main forward"
}
-re "No more reverse-execution history.* end main .*$gdb_prompt $" {
pass "go to end of main forward"
}
}
###
###
###
# Now run backward to each of several points where data is changed.
#
# Module global variable, reverse
set breakloc [gdb_get_line_number \
"module_global_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$breakloc.*" "reverse to $breakloc"
gdb_test "print aglobal" ".* = 0$newline" "module global reverse-breakpoint"
gdb_test "step" ".* module global post-change .*" ""
gdb_test "print aglobal" ".* = 1$newline" "module global forward past bp"
gdb_test "reverse-step" ".*$newline$breakloc.*" ""
gdb_test "print aglobal" ".* = 0$newline" "module global reverse-step to bp"
# Module static variable, reverse
set breakloc [gdb_get_line_number \
"module_static_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$breakloc.*" "reverse to $breakloc"
gdb_test "print astatic" ".* = 0$newline" "module static reverse-breakpoint"
gdb_test "step" ".* module static post-change .*" ""
gdb_test "print astatic" ".* = 1$newline" "module static forward"
gdb_test "reverse-step" ".*$newline$breakloc.*" ""
gdb_test "print astatic" ".* = 0$newline" "module static reverse-step"
# Function static variable, reverse
set breakloc [gdb_get_line_number \
"function_static_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$breakloc.*" "reverse to $breakloc"
gdb_test "print a" ".* = 0$newline" "function static reverse-breakpoint"
gdb_test "step" ".* function static post-change .*" ""
gdb_test "print a" ".* = 1$newline" "function static forward"
gdb_test "reverse-step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "function static reverse-step"
# Auto variable, reverse
set breakloc [gdb_get_line_number \
"auto_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$breakloc.*" "reverse to $breakloc"
gdb_test "print a" ".* = 0$newline" "auto var reverse-breakpoint"
gdb_test "step" ".* auto post-change .*" ""
gdb_test "print a" ".* = 1$newline" "auto var forward"
gdb_test "reverse-step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "auto var reverse-step"
# Register variable, reverse
set breakloc [gdb_get_line_number \
"register_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$breakloc.*" "reverse to $breakloc"
gdb_test "print a" ".* = 0$newline" "register var reverse-breakpoint"
gdb_test "step" ".* register post-change .*" ""
gdb_test "print a" ".* = 1$newline" "register var step post-change"
gdb_test "reverse-step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "register var reverse step-to"
# Proceed to beginning of main
gdb_test "tbreak $beginmain" ".*/$srcfile, line $beginmain.*" ""
gdb_test "reverse-continue" ".*/$srcfile:$beginmain.*" "reverse to main"
# Now repeat tests while replaying forward.
# Register variable, forward
set breakloc [gdb_get_line_number \
"register_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "continue" ".*/$srcfile:$breakloc.*" "forward to $breakloc"
gdb_test "print a" ".* = 0$newline" "register var forward-breakpoint"
gdb_test "reverse-step" ".*hide.*" ""
gdb_test "step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "register var forward step-to"
gdb_test "step" ".* register post-change .*" ""
gdb_test "print a" ".* = 1$newline" "register var step post-change"
# Auto variable, forward
set breakloc [gdb_get_line_number \
"auto_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "continue" ".*/$srcfile:$breakloc.*" "forward to $breakloc"
gdb_test "print a" ".* = 0$newline" "auto var forward-breakpoint"
gdb_test "reverse-step" ".*hide.*" ""
gdb_test "step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "auto var forward step-to"
gdb_test "step" ".* auto post-change .*" ""
gdb_test "print a" ".* = 1$newline" "auto var step post-change"
# Function static variable, forward
set breakloc [gdb_get_line_number \
"function_static_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "continue" ".*/$srcfile:$breakloc.*" "forward to $breakloc"
gdb_test "print a" ".* = 0$newline" "function static forward-breakpoint"
gdb_test "reverse-step" ".*hide.*" ""
gdb_test "step" ".*$newline$breakloc.*" ""
gdb_test "print a" ".* = 0$newline" "function static forward step-to"
gdb_test "step" ".* function static post-change .*" ""
gdb_test "print a" ".* = 1$newline" "function static step post-change"
# Module static variable, forward
set breakloc [gdb_get_line_number \
"module_static_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "continue" ".*/$srcfile:$breakloc.*" "forward to $breakloc"
gdb_test "print astatic" ".* = 0$newline" "module static forward-breakpoint"
gdb_test "reverse-step" ".*hide.*" ""
gdb_test "step" ".*$newline$breakloc.*" ""
gdb_test "print astatic" ".* = 0$newline" "module static forward step-to"
gdb_test "step" ".* module static post-change .*" ""
gdb_test "print astatic" ".* = 1$newline" "module static step post-change"
# Module global variable, forward
set breakloc [gdb_get_line_number \
"module_global_state: set breakpoint here" $srcfile]
gdb_test "tbreak $breakloc" ".*/$srcfile, line $breakloc.*" ""
gdb_test "continue" ".*/$srcfile:$breakloc.*" "forward to $breakloc"
gdb_test "print aglobal" ".* = 0$newline" "module global forward-breakpoint"
gdb_test "reverse-step" ".*hide.*" ""
gdb_test "step" ".*$newline$breakloc.*" ""
gdb_test "print aglobal" ".* = 0$newline" "module global forward step-to"
gdb_test "step" ".* module global post-change .*" ""
gdb_test "print aglobal" ".* = 1$newline" "module global step post-change"

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gdb/testsuite/gdb.reverse/sigall-precsave.exp Normal file
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# 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/>.
if [target_info exists gdb,nosignals] {
verbose "Skipping sigall-reverse.exp because of nosignals."
return
}
if ![target_info exists gdb,can_reverse] {
return
}
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
set testfile sigall-reverse
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested sigall.exp
return -1
}
# Make the first signal SIGABRT because it is always supported.
set sig_supported 1
set thissig "ABRT"
proc test_one_sig {nextsig} {
global sig_supported
global gdb_prompt
global thissig
set this_sig_supported $sig_supported
gdb_test "handle SIG$thissig stop print" \
"SIG$thissig\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
gdb_test "b handle_$thissig" "Breakpoint \[0-9\]+ .*"
gdb_test "b gen_$nextsig" "Breakpoint \[0-9\]+ .*"
set need_another_continue 1
set missed_handler 0
if $this_sig_supported then {
if { $thissig == "IO" } {
setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
}
set testmsg "get signal $thissig"
gdb_test_multiple "continue" $testmsg {
-re "Program received signal SIG$thissig.*handle_$thissig.*$gdb_prompt $" {
fail "$testmsg (wrong location)"
}
-re "Program received signal SIG$thissig.*$gdb_prompt $" {
pass $testmsg
}
-re "Breakpoint.* handle_$thissig.*$gdb_prompt $" {
xfail $testmsg
set need_another_continue 0
}
}
}
if [ istarget "alpha-dec-osf3*" ] then {
# OSF/1-3.x is unable to continue with a job control stop signal.
# The inferior remains stopped without an event of interest
# and GDB waits forever for the inferior to stop on an event
# of interest. Work around the kernel bug.
if { $thissig == "TSTP" || $thissig == "TTIN" || $thissig == "TTOU" } {
setup_xfail "alpha-dec-osf3*"
fail "cannot continue from signal $thissig"
set need_another_continue 0
}
}
if $need_another_continue then {
if { $thissig == "URG" } {
setup_xfail "i*86-pc-linuxoldld-gnu" "i*86-pc-linuxaout-gnu"
}
# Either Lynx or GDB screws up on SIGPRIO
if { $thissig == "PRIO" } {
setup_xfail "*-*-*lynx*"
}
set testmsg "send signal $thissig"
gdb_test_multiple "continue" $testmsg {
-re "Breakpoint.*handle_$thissig.*$gdb_prompt $" {
pass $testmsg
}
-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
fail "missed breakpoint at handle_$thissig"
set missed_handler 1
}
}
}
if { $missed_handler == "0" } then {
set testmsg "advance to $nextsig"
gdb_test_multiple "signal 0" $testmsg {
-re "Breakpoint.*gen_$nextsig.*kill.*$gdb_prompt $" {
pass $testmsg
set sig_supported 1
}
-re "Breakpoint.*gen_$nextsig.*handle.*$gdb_prompt $" {
pass $testmsg
set sig_supported 0
}
}
}
set thissig $nextsig
}
proc test_one_sig_reverse {prevsig} {
global gdb_prompt
gdb_test "reverse-continue" "Breakpoint .* handle_$prevsig.*" \
"reverse to handler of $prevsig"
set saw_signal 0
set testmsg "reverse to gen_$prevsig"
gdb_test_multiple "reverse-continue" $testmsg {
-re "Breakpoint.*handle_.*$gdb_prompt " {
pass "$testmsg (un-handled)"
}
-re "Program received signal SIG$prevsig.*$gdb_prompt " {
pass "reverse to signal event, $prevsig"
set nested_testmsg "reverse signal delivered"
gdb_test_multiple "frame" $nested_testmsg {
-re ".*handle_$prevsig.*$gdb_prompt " {
fail "$nested_testmsg (wrong location)"
}
-re ".*$gdb_prompt " {
pass $nested_testmsg
}
}
set saw_signal 1
send_gdb "reverse-continue\n"
exp_continue
}
-re "Breakpoint.*kill.*$gdb_prompt " {
if { $saw_signal } then {
pass "$testmsg (handled)"
} else {
xfail "$testmsg (handled)"
}
}
-re "No more reverse-execution history.*kill.*$gdb_prompt " {
if { $saw_signal } then {
pass "$testmsg (handled)"
} else {
xfail "$testmsg (handled)"
}
}
}
}
gdb_load $binfile
runto gen_ABRT
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
# Run until end, then save execution log.
set breakloc [gdb_get_line_number "end of main" "$srcfile"]
gdb_test "break $breakloc" \
"Breakpoint $decimal at .*/$srcfile, line $breakloc\." \
"BP at end of main"
# Signal handlers must be disabled
gdb_test "handle all nostop noprint"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save sigall.precsave" \
"Saved core file sigall.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore sigall.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
# Signal handlers must be re-enabled
gdb_test "handle all stop print"
# test signal handling
test_one_sig HUP
test_one_sig QUIT
test_one_sig ILL
test_one_sig EMT
test_one_sig FPE
test_one_sig BUS
test_one_sig SEGV
test_one_sig SYS
test_one_sig PIPE
test_one_sig ALRM
test_one_sig URG
test_one_sig TSTP
test_one_sig CONT
test_one_sig CHLD
test_one_sig TTIN
test_one_sig TTOU
test_one_sig IO
test_one_sig XCPU
test_one_sig XFSZ
test_one_sig VTALRM
test_one_sig PROF
test_one_sig WINCH
test_one_sig LOST
test_one_sig USR1
test_one_sig USR2
test_one_sig PWR
test_one_sig POLL
test_one_sig WIND
test_one_sig PHONE
test_one_sig WAITING
test_one_sig LWP
test_one_sig DANGER
test_one_sig GRANT
test_one_sig RETRACT
test_one_sig MSG
test_one_sig SOUND
test_one_sig SAK
test_one_sig PRIO
test_one_sig 33
test_one_sig 34
test_one_sig 35
test_one_sig 36
test_one_sig 37
test_one_sig 38
test_one_sig 39
test_one_sig 40
test_one_sig 41
test_one_sig 42
test_one_sig 43
test_one_sig 44
test_one_sig 45
test_one_sig 46
test_one_sig 47
test_one_sig 48
test_one_sig 49
test_one_sig 50
test_one_sig 51
test_one_sig 52
test_one_sig 53
test_one_sig 54
test_one_sig 55
test_one_sig 56
test_one_sig 57
test_one_sig 58
test_one_sig 59
test_one_sig 60
test_one_sig 61
test_one_sig 62
test_one_sig 63
test_one_sig TERM
# The last signal (SIGTERM) gets handled slightly differently because
# we are not setting up for another test.
gdb_test "handle SIGTERM stop print" \
"SIGTERM\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes.*"
gdb_test "b handle_TERM" "Breakpoint \[0-9\]+ .*"
gdb_test "continue" \
"Continuing.*Program received signal SIGTERM.*" \
"get signal TERM"
gdb_test "continue" "Breakpoint.*handle_TERM.*" "send signal TERM"
gdb_test "continue" " end of main .*" "continue to sigall exit"
test_one_sig_reverse TERM
test_one_sig_reverse 63
test_one_sig_reverse 62
test_one_sig_reverse 61
test_one_sig_reverse 60
test_one_sig_reverse 59
test_one_sig_reverse 58
test_one_sig_reverse 57
test_one_sig_reverse 56
test_one_sig_reverse 55
test_one_sig_reverse 54
test_one_sig_reverse 53
test_one_sig_reverse 52
test_one_sig_reverse 51
test_one_sig_reverse 50
test_one_sig_reverse 49
test_one_sig_reverse 48
test_one_sig_reverse 47
test_one_sig_reverse 46
test_one_sig_reverse 45
test_one_sig_reverse 44
test_one_sig_reverse 43
test_one_sig_reverse 42
test_one_sig_reverse 41
test_one_sig_reverse 40
test_one_sig_reverse 39
test_one_sig_reverse 38
test_one_sig_reverse 37
test_one_sig_reverse 36
test_one_sig_reverse 35
test_one_sig_reverse 34
test_one_sig_reverse 33
test_one_sig_reverse PRIO
test_one_sig_reverse SAK
test_one_sig_reverse SOUND
test_one_sig_reverse MSG
test_one_sig_reverse RETRACT
test_one_sig_reverse GRANT
test_one_sig_reverse DANGER
test_one_sig_reverse LWP
test_one_sig_reverse WAITING
test_one_sig_reverse PHONE
test_one_sig_reverse WIND
test_one_sig_reverse POLL
test_one_sig_reverse PWR
test_one_sig_reverse USR2
test_one_sig_reverse USR1
test_one_sig_reverse LOST
test_one_sig_reverse WINCH
test_one_sig_reverse PROF
test_one_sig_reverse VTALRM
test_one_sig_reverse XFSZ
test_one_sig_reverse XCPU
test_one_sig_reverse IO
test_one_sig_reverse TTOU
test_one_sig_reverse TTIN
test_one_sig_reverse CHLD
test_one_sig_reverse CONT
test_one_sig_reverse TSTP
test_one_sig_reverse URG
test_one_sig_reverse ALRM
test_one_sig_reverse PIPE
test_one_sig_reverse SYS
test_one_sig_reverse SEGV
test_one_sig_reverse BUS
test_one_sig_reverse FPE
test_one_sig_reverse EMT
test_one_sig_reverse ILL
test_one_sig_reverse QUIT
test_one_sig_reverse HUP
test_one_sig_reverse ABRT
# Make the first signal SIGABRT because it is always supported.
set sig_supported 1
set thissig "ABRT"
test_one_sig HUP
test_one_sig QUIT
test_one_sig ILL
test_one_sig EMT
test_one_sig FPE
test_one_sig BUS
test_one_sig SEGV
test_one_sig SYS
test_one_sig PIPE
test_one_sig ALRM
test_one_sig URG
test_one_sig TSTP
test_one_sig CONT
test_one_sig CHLD
test_one_sig TTIN
test_one_sig TTOU
test_one_sig IO
test_one_sig XCPU
test_one_sig XFSZ
test_one_sig VTALRM
test_one_sig PROF
test_one_sig WINCH
test_one_sig LOST
test_one_sig USR1
test_one_sig USR2
test_one_sig PWR
test_one_sig POLL
test_one_sig WIND
test_one_sig PHONE
test_one_sig WAITING
test_one_sig LWP
test_one_sig DANGER
test_one_sig GRANT
test_one_sig RETRACT
test_one_sig MSG
test_one_sig SOUND
test_one_sig SAK
test_one_sig PRIO
test_one_sig 33
test_one_sig 34
test_one_sig 35
test_one_sig 36
test_one_sig 37
test_one_sig 38
test_one_sig 39
test_one_sig 40
test_one_sig 41
test_one_sig 42
test_one_sig 43
test_one_sig 44
test_one_sig 45
test_one_sig 46
test_one_sig 47
test_one_sig 48
test_one_sig 49
test_one_sig 50
test_one_sig 51
test_one_sig 52
test_one_sig 53
test_one_sig 54
test_one_sig 55
test_one_sig 56
test_one_sig 57
test_one_sig 58
test_one_sig 59
test_one_sig 60
test_one_sig 61
test_one_sig 62
test_one_sig 63
test_one_sig TERM

143
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# 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/>.
# This file is part of the GDB testsuite. It tests precord debugging
# with shared libraries and a logfile.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "solib-reverse"
set srcfile ${testfile}.c
set libfile "shr2"
set libsrc ${libfile}.c
set library ${objdir}/${subdir}/${libfile}.sl
set binfile ${objdir}/${subdir}/${testfile}
if [get_compiler_info ${binfile}] {
return -1
}
if { [gdb_compile_shlib ${srcdir}/${subdir}/${libsrc} ${library} "debug"] != "" } {
untested "Could not compile shared library."
return -1
}
set exec_opts [list debug shlib=${library}]
if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $exec_opts] != "" } {
untested "Could not compile $binfile."
return -1
}
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_of_main [gdb_get_line_number "end of main" ]
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save solib.precsave" \
"Saved core file solib.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore solib.precsave" \
"Program terminated with signal .*" \
"reload core file"
#
# Test reverse-step over undebuggable solib functions.
#
# Run forward past some solib function calls.
set end_part_one [gdb_get_line_number " end part one" "$srcfile"]
set end_part_two [gdb_get_line_number " end part two" "$srcfile"]
gdb_test "until $end_part_one" " end part one.*" "run until end part one"
gdb_test "reverse-step" " sleep three .*" "reverse-step third sleep"
gdb_test "reverse-step" " sleep two .*" "reverse-step second sleep"
gdb_test "reverse-step" " sleep one .*" \
"reverse-step first sleep, dynsym resolve"
gdb_test "reverse-step" " printf three .*" "reverse-step third printf"
gdb_test "reverse-step" " printf two .*" "reverse-step second printf"
gdb_test "reverse-step" " printf one .*" \
"reverse-step first printf, dynsym resolve"
gdb_test "reverse-step" " generic statement.*" "reverse-step generic"
#
# Test reverse-next over undebuggable solib functions.
#
# Run forward again...
gdb_test "until $end_part_one" " end part one.*" "forward to end part one"
gdb_test "reverse-next" " sleep three .*" "reverse-next third sleep"
gdb_test "reverse-next" " sleep two .*" "reverse-next second sleep"
gdb_test "reverse-next" " sleep one .*" \
"reverse-next first sleep, dynsym resolve"
gdb_test "reverse-next" " printf three .*" "reverse-next third printf"
gdb_test "reverse-next" " printf two .*" "reverse-next second printf"
gdb_test "reverse-next" " printf one .*" \
"reverse-next first printf, dynsym resolve"
gdb_test "reverse-next" " generic statement.*" "reverse-next generic"
#
# Test reverse-step into debuggable solib function
#
gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function one"
gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function one"
gdb_test "reverse-step" " middle part two.*" "reverse-step back to main one"
gdb_test "reverse-step" "${libsrc}.*" "reverse-step into solib function two"
gdb_test "reverse-step" "return 2.x.*" "reverse-step within solib function two"
gdb_test "reverse-step" " begin part two.*" "reverse-step back to main two"
#
# Test reverse-next over debuggable solib function
#
gdb_test "until $end_part_two" " end part two.*" "run until end part two"
gdb_test "reverse-next" " middle part two.*" "reverse-next over solib function one"
gdb_test "reverse-next" " begin part two.*" "reverse-next over solib function two"

273
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# Copyright 2008, 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/>. */
# This file is part of the GDB testsuite. It tests reverse stepping.
# Lots of code borrowed from "step-test.exp".
#
# Test step and next with a reloaded process record file.
#
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "step-reverse"
set srcfile ${testfile}.c
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_of_main [gdb_get_line_number "end of main" ]
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save step.precsave" \
"Saved core file step.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore step.precsave" \
"Program terminated with signal .*" \
"reload core file"
# plain vanilla step/next (no count)
gdb_test "next" ".*NEXT TEST 1.*" "next test 1"
gdb_test "step" ".*STEP TEST 1.*" "step test 1"
# step/next with count
gdb_test "next 2" ".*NEXT TEST 2.*" "next test 2"
gdb_test "step 3" ".*STEP TEST 2.*" "step test 2"
# step over call
gdb_test "step" ".*NEXT OVER THIS CALL.*" "step up to call"
gdb_test "next" ".*STEP INTO THIS CALL.*" "next over call"
# step into call
gdb_test "step" ".*ARRIVED IN CALLEE.*" "step into call"
# finish out of call
set test_message "finish out of fn call"
gdb_test_multiple "finish" "$test_message" {
-re "FINISH TEST.*$gdb_prompt $" {
pass "$test_message"
}
-re "STEP INTO THIS CALL.*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
}
# stepi over flat code (no calls)
set test_message "simple stepi"
gdb_test_multiple "stepi" "$test_message" {
-re "STEPI TEST.*$gdb_prompt $" {
pass "$test_message"
}
-re "FINISH TEST.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "NEXTI TEST.*$gdb_prompt $" {
fail "$test_message (too far)"
}
}
# stepi into a function call
set test_message "stepi into function call"
gdb_test_multiple "stepi" "$test_message" {
-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
pass "$test_message"
}
-re "NEXTI TEST.*$gdb_prompt $" {
fail "$test_message (too far)"
}
-re "RETURN FROM CALLEE.*$gdb_prompt $" {
fail "$test_message (too far)"
}
-re "ENTER CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "STEPI TEST.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
}
# stepi thru return of a function call
set test_message "stepi back from function call"
gdb_test_multiple "stepi" "$test_message" {
-re "NEXTI TEST.*$gdb_prompt $" {
pass "$test_message"
}
-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "RETURN FROM CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "STEPI TEST.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "ENTER CALLEE.*$gdb_prompt $" {
fail "$test_message (too far)"
}
}
###
###
###
# Set reverse execution direction
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "set exec-dir reverse" "" "set reverse execution"
# stepi backward thru return and into a function
set stepi_location [gdb_get_line_number "ARRIVED IN CALLEE" "$srcfile"]
set test_message "reverse stepi thru function return"
gdb_test_multiple "stepi" "$test_message" {
-re "NEXTI TEST.*$gdb_prompt $" {
fail "$test_message (start statement)"
}
-re "RETURN FROM CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "$hex\[ \t\]*$stepi_location.*ARRIVED IN CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
pass "$test_message"
}
-re "ENTER CALLEE.*$gdb_prompt $" {
fail "$test_message (too far)"
}
-re "STEPI TEST.*$gdb_prompt $" {
fail "$test_message (too far)"
}
}
# stepi backward out of a function call
set stepi_location [gdb_get_line_number "STEPI TEST" "$srcfile"]
set test_message "reverse stepi from a function call"
gdb_test_multiple "stepi" "$test_message" {
-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
fail "$test_message (start statement)"
}
-re "ENTER CALLEE.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "${hex} in main .*:$stepi_location.*STEPI TEST.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "STEPI TEST.*$gdb_prompt $" {
pass "$test_message"
}
-re "STEP INTO THIS CALL.*$gdb_prompt $" {
fail "$test_message (too far)"
}
}
# stepi backward over flat code (no calls)
set stepi_location [gdb_get_line_number "FINISH TEST" "$srcfile"]
set test_message "simple reverse stepi"
gdb_test_multiple "stepi" "$test_message" {
-re "STEPI TEST.*$gdb_prompt $" {
fail "$test_message (start statement)"
}
-re "$hex\[ \t\]*$stepi_location.* FINISH TEST.*$gdb_prompt $" {
send_gdb "stepi\n"
exp_continue
}
-re "$stepi_location.* FINISH TEST.*$gdb_prompt $" {
pass "$test_message"
}
-re "STEP INTO THIS CALL.*$gdb_prompt $" {
fail "$test_message (too far)"
}
}
# step backward into function (thru return)
set test_message "reverse step into fn call"
gdb_test_multiple "step" "$test_message" {
-re "RETURN FROM CALLEE.*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
pass "$test_message"
}
}
# step backward out of called function (thru call)
gdb_test "step" ".*STEP INTO THIS CALL.*" "reverse step out of called fn"
# next backward over call
gdb_test "next" ".*NEXT OVER THIS CALL.*" "reverse next over call"
# step/next backward with count
gdb_test "step 3" ".*REVERSE STEP TEST 1.*" "reverse step test 1"
gdb_test "next 2" ".*REVERSE NEXT TEST 1.*" "reverse next test 1"
# step/next backward without count
gdb_test "step" ".*STEP TEST 1.*" "reverse step test 2"
gdb_test "next" ".*NEXT TEST 1.*" "reverse next test 2"
# Finish test by running forward to the end.
# FIXME return to this later...
# gdb_test "set exec-dir forward" "" "set forward execution"
# gdb_continue_to_end "step-reverse.exp"

146
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# Copyright 2008, 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/>. */
# This file is part of the GDB testsuite. It tests 'until' and
# 'advance' in precord logfile.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "until-reverse"
set srcfile ${testfile}.c
set srcfile1 ur1.c
if { [prepare_for_testing $testfile.exp $testfile {until-reverse.c ur1.c} ] } {
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
set bp_location9 [gdb_get_line_number "set breakpoint 9 here" "$srcfile1"]
set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_of_main [gdb_get_line_number "set breakpoint 10a here" ]
gdb_test "break $end_of_main" \
"Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* set breakpoint 10a here .*" "run to end of main"
gdb_test "record save until.precsave" \
"Saved core file until.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore until.precsave" \
"Program terminated with signal .*" \
"reload core file"
# Verify that plain vanilla "until <location>" works.
#
gdb_test "until $bp_location1" \
"main .* at .*:$bp_location1.*" \
"until line number"
# Advance up to factorial, outer invocation
#
gdb_test "advance factorial" \
"factorial .value=6..*$srcfile:$bp_location7.*" \
"advance to factorial"
# At this point, 'until' should continue the inferior up to when all the
# inner invocations of factorial() are completed and we are back at this
# frame.
#
gdb_test "until $bp_location19" \
"factorial .value=720.*${srcfile}:$bp_location19.*" \
"until factorial, recursive function"
# Finish out to main scope
#
gdb_test "finish" \
" in main .*$srcfile:$bp_location1.*" \
"finish to main"
# Advance to a function called by main (marker2)
#
gdb_test "advance marker2" \
"marker2 .a=43.*$srcfile1:$bp_location9.*" \
"advance to marker2"
# Now issue an until with another function, not called by the current
# frame, as argument. This should not work, i.e. the program should
# stop at main, the caller, where we put the 'guard' breakpoint.
#
set test_msg "until func, not called by current frame"
gdb_test_multiple "until marker3" "$test_msg" {
-re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
pass "$test_msg"
}
-re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
pass "$test_msg"
}
}
###
###
###
# Set reverse execution direction
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "set exec-dir reverse" "" "set reverse execution"
#
# We should now be at main, after the return from marker2.
# "Advance" backward into marker2.
#
gdb_test "advance marker2" \
"marker2 .a=43.*$srcfile1:$bp_location9.*" \
"reverse-advance to marker2"
# Finish out to main scope (backward)
gdb_test "finish" \
" in main .*$srcfile:$bp_location20.*" \
"reverse-finish from marker2"
# Advance backward to last line of factorial (outer invocation)
gdb_test "advance $bp_location19" \
"factorial .value=720.*${srcfile}:$bp_location19.*" \
"reverse-advance to final return of factorial"
# Now do "until" across the recursive calls,
# ending up in the same frame where we are now.
gdb_test "until $bp_location7" \
"factorial .value=6..*$srcfile:$bp_location7.*" \
"reverse-until to entry of factorial"

142
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@ -0,0 +1,142 @@
# Copyright 2008, 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/>.
# Based on a file written by Fred Fish. (fnf@cygnus.com)
# This file is part of the GDB testsuite. It tests precord dumpfile
# debugging with watchpoints.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "watch-reverse"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_location [gdb_get_line_number "end of main" ]
gdb_test "break $end_location" \
"Breakpoint $decimal at .*/$srcfile, line $end_location\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save watch.precsave" \
"Saved core file watch.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore watch.precsave" \
"Program terminated with signal .*" \
"reload core file"
# Only software watchpoints can be used in reverse
gdb_test "set can-use-hw-watchpoints 0" "" ""
gdb_test "break marker1" \
"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
"set breakpoint at marker1"
gdb_test "break marker2" \
"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
"set breakpoint at marker2"
gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
gdb_test "watch ival3" \
".*\[Ww\]atchpoint $decimal: ival3.*" \
"set watchpoint on ival3"
# Continue until first change, from -1 to 0
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
"watchpoint hit, first time"
# Continue until the next change, from 0 to 1.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
"watchpoint hit, second time"
# Continue until the next change, from 1 to 2.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
"watchpoint hit, third time"
# Continue until the next change, from 2 to 3.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
"watchpoint hit, fourth time"
# Continue until the next change, from 3 to 4.
# Note that this one is outside the loop.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
"watchpoint hit, fifth time"
# Continue until we hit the finishing marker function.
# Make sure we hit no more watchpoints.
gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
###
###
###
# FIXME 'set exec-dir' command should give some output so we can test.
gdb_test "set exec-direction reverse" "" "set reverse"
# Reverse until the previous change, from 4 to 3
# Note that this one is outside the loop
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
"watchpoint hit in reverse, first time"
# Reverse until the previous change, from 3 to 2.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
"watchpoint hit in reverse, second time"
# Reverse until the previous change, from 2 to 1.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
"watchpoint hit in reverse, third time"
# Reverse until the previous change, from 1 to 0.
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
"watchpoint hit in reverse, fourth time"
# Reverse until first change, from 0 to -1
gdb_test "continue" \
".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
"watchpoint hit in reverse, fifth time"