252 lines
6.2 KiB
Plaintext
252 lines
6.2 KiB
Plaintext
# Copyright 2008-2015 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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# This file is part of the GDB testsuite. It tests reverse stepping.
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# Lots of code borrowed from "step-test.exp".
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#
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# Test step and next in reverse
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#
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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 $testfile.exp $testfile $srcfile] } {
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return -1
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}
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runto main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "Turn on process record"
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}
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# plain vanilla step/next (no count)
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gdb_test "next" ".*NEXT TEST 1.*" "next test 1"
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gdb_test "step" ".*STEP TEST 1.*" "step test 1"
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# step/next with count
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gdb_test "next 2" ".*NEXT TEST 2.*" "next test 2"
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gdb_test "step 3" ".*STEP TEST 2.*" "step test 2"
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# step over call
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gdb_test "step" ".*NEXT OVER THIS CALL.*" "step up to call"
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gdb_test "next" ".*STEP INTO THIS CALL.*" "next over call"
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# step into call
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gdb_test "step" ".*ARRIVED IN CALLEE.*" "step into call"
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# finish out of call
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set test_message "finish out of fn call"
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gdb_test_multiple "finish" "$test_message" {
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-re "FINISH TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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}
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# stepi over flat code (no calls)
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set test_message "simple stepi"
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gdb_test_multiple "stepi" "$test_message" {
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-re "STEPI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "FINISH TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi into a function call
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set test_message "stepi into function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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}
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# stepi thru return of a function call
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set test_message "stepi back from function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "NEXTI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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###
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###
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###
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# Set reverse execution direction
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gdb_test_no_output "set exec-dir reverse" "set reverse execution"
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# stepi backward thru return and into a function
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set stepi_location [gdb_get_line_number "ARRIVED IN CALLEE" "$srcfile"]
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set test_message "reverse stepi thru function return"
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gdb_test_multiple "stepi" "$test_message" {
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-re "NEXTI TEST.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$hex\[ \t\]*$stepi_location.*ARRIVED IN CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi backward out of a function call
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set stepi_location [gdb_get_line_number "STEPI TEST" "$srcfile"]
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set test_message "reverse stepi from a function call"
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gdb_test_multiple "stepi" "$test_message" {
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "ENTER CALLEE.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "${hex} in main .*:$stepi_location.*STEPI TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "STEPI TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# stepi backward over flat code (no calls)
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set stepi_location [gdb_get_line_number "FINISH TEST" "$srcfile"]
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set test_message "simple reverse stepi"
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gdb_test_multiple "stepi" "$test_message" {
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-re "STEPI TEST.*$gdb_prompt $" {
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fail "$test_message (start statement)"
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}
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-re "$hex\[ \t\]*$stepi_location.* FINISH TEST.*$gdb_prompt $" {
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send_gdb "stepi\n"
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exp_continue
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}
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-re "$stepi_location.* FINISH TEST.*$gdb_prompt $" {
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pass "$test_message"
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}
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-re "STEP INTO THIS CALL.*$gdb_prompt $" {
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fail "$test_message (too far)"
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}
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}
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# step backward into function (thru return)
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set test_message "reverse step into fn call"
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gdb_test_multiple "step" "$test_message" {
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-re "RETURN FROM CALLEE.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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-re "ARRIVED IN CALLEE.*$gdb_prompt $" {
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pass "$test_message"
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}
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}
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# step backward out of called function (thru call)
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gdb_test "step" ".*STEP INTO THIS CALL.*" "reverse step out of called fn"
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# next backward over call
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gdb_test "next" ".*NEXT OVER THIS CALL.*" "reverse next over call"
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# step/next backward with count
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gdb_test "step 3" ".*REVERSE STEP TEST 1.*" "reverse step test 1"
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gdb_test "next 2" ".*REVERSE NEXT TEST 1.*" "reverse next test 1"
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# step/next backward without count
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gdb_test "step" ".*STEP TEST 1.*" "reverse step test 2"
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gdb_test "next" ".*NEXT TEST 1.*" "reverse next test 2"
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# Finish test by running forward to the end.
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# FIXME return to this later...
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# gdb_test_no_output "set exec-dir forward" "set forward execution"
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# gdb_continue_to_end "step-reverse.exp"
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