| # This testcase is part of GDB, the GNU debugger. |
| # |
| # Copyright 2013 Free Software Foundation, Inc. |
| # |
| # Contributed by Intel Corp. <markus.t.metzger@intel.com> |
| # |
| # 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/>. |
| |
| # check for btrace support |
| if { [skip_btrace_tests] } { return -1 } |
| |
| # start inferior |
| standard_testfile x86-record_goto.S |
| if [prepare_for_testing stepi.exp $testfile $srcfile] { |
| return -1 |
| } |
| |
| global gdb_prompt |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| proc check_replay_at { insn } { |
| gdb_test "info record" [join [list \ |
| "Active record target: record-btrace" \ |
| "Recorded 40 instructions in 16 functions for .*" \ |
| "Replay in progress\. At instruction $insn\." \ |
| ] "\r\n"] |
| } |
| |
| # trace the call to the test function |
| gdb_test_no_output "record btrace" |
| gdb_test "next" |
| |
| # we start with stepping to make sure that the trace is fetched automatically |
| gdb_test "reverse-stepi" ".*fun4\.5.*" |
| gdb_test "reverse-stepi" ".*fun4\.5.*" |
| |
| # let's check where we are in the trace |
| with_test_prefix "reverse-stepi to 39" { check_replay_at 39 } |
| |
| # let's step forward and check again |
| gdb_test "stepi" ".*fun4\.5.*" |
| with_test_prefix "stepi to 40" { check_replay_at 40 } |
| |
| # with the next step, we stop replaying |
| gdb_test "stepi" ".*main\.3.*" |
| gdb_test "info record" [join [list \ |
| "Active record target: record-btrace" \ |
| "Recorded 40 instructions in 16 functions for \[^\\\r\\\n\]*" \ |
| ] "\r\n"] "stepi to live" |
| |
| # let's step from a goto position somewhere in the middle |
| gdb_test "record goto 22" ".*fun3\.2.*" |
| with_test_prefix "goto 22" { check_replay_at 22 } |
| |
| gdb_test "stepi" ".*fun1\.1.*" |
| with_test_prefix "stepi to 23" { check_replay_at 23 } |
| |
| # and back again |
| gdb_test "reverse-stepi" ".*fun3\.2.*" |
| gdb_test "reverse-stepi" ".*fun3\.1.*" |
| with_test_prefix "reverse-stepi to 21" { check_replay_at 21 } |
| |
| # let's try to step off the left end |
| gdb_test "record goto begin" ".*main\.2.*" |
| with_test_prefix "goto begin" { check_replay_at 1 } |
| |
| gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" |
| gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" |
| with_test_prefix "reverse-stepi at begin" { check_replay_at 1 } |
| |
| # we can step forward, though |
| gdb_test "stepi" ".*fun4\.1.*" |
| with_test_prefix "stepi to 2" { check_replay_at 2 } |
| |
| # let's try to step off the left end again |
| gdb_test "reverse-stepi" ".*main\.2.*" |
| gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" |
| gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" |
| with_test_prefix "reverse-stepi at begin" { check_replay_at 1 } |