1 # Copyright 2008-2019 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file is part of the GDB testsuite. It tests stepping over
17 # consecutive instructions in reverse.
19 if ![supports_reverse] {
25 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
31 if [supports_process_record] {
32 # Activate process record/replay
33 gdb_test_no_output "record" "turn on process record"
37 gdb_test "continue" "Breakpoint $decimal, foo .*" \
38 "continue to breakpoint in foo"
44 gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
50 -re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" {
51 set foo1_addr $expect_out(1,string)
52 set foo2_addr $expect_out(2,string)
53 pass "get breakpoint address for foo"
57 gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
60 set testmsg "stopped at bp, 2nd instr"
61 gdb_test_multiple "step" $testmsg {
62 -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
63 set stop_addr $expect_out(1,string)
64 if [eval expr "$foo2_addr == $stop_addr"] then {
65 pass "stopped at bp, 2nd instr"
67 fail "stopped at bp, 2nd instr (wrong address)"
76 # Set reverse execution direction
78 gdb_test_no_output "set exec-dir reverse" "set reverse execution"
80 # Now step backward and hope to hit the first breakpoint.
82 set test_msg "stopped at bp in reverse, 1st instr"
83 gdb_test_multiple "step" "$test_msg" {
84 -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
85 set stop_addr $expect_out(1,string)
86 if [eval expr "$foo1_addr == $stop_addr"] then {
89 fail "$test_msg (wrong address)"
92 -re "Breakpoint $decimal, foo.*$gdb_prompt $" {
93 gdb_test "print \$pc == $foo1_addr" \