1# This testcase is part of GDB, the GNU debugger. 2# 3# Copyright 2013-2015 Free Software Foundation, Inc. 4# 5# Contributed by Intel Corp. <markus.t.metzger@intel.com> 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 3 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19 20# check for btrace support 21if { [skip_btrace_tests] } { return -1 } 22 23# start inferior 24standard_testfile x86-record_goto.S 25if [prepare_for_testing stepi.exp $testfile $srcfile] { 26 return -1 27} 28 29global gdb_prompt 30 31if ![runto_main] { 32 return -1 33} 34 35proc check_replay_at { insn } { 36 gdb_test "info record" [join [list \ 37 "Active record target: record-btrace" \ 38 "Recorded 40 instructions in 16 functions for .*" \ 39 "Replay in progress\. At instruction $insn\." \ 40 ] "\r\n"] 41} 42 43# trace the call to the test function 44gdb_test_no_output "record btrace" 45gdb_test "next" 46 47# we start with stepping to make sure that the trace is fetched automatically 48gdb_test "reverse-stepi" ".*fun4\.5.*" 49gdb_test "reverse-stepi" ".*fun4\.5.*" 50 51# let's check where we are in the trace 52with_test_prefix "reverse-stepi to 39" { check_replay_at 39 } 53 54# let's step forward and check again 55gdb_test "stepi" ".*fun4\.5.*" 56with_test_prefix "stepi to 40" { check_replay_at 40 } 57 58# with the next step, we stop replaying 59gdb_test "stepi" ".*main\.3.*" 60gdb_test "info record" [join [list \ 61 "Active record target: record-btrace" \ 62 "Recorded 40 instructions in 16 functions for \[^\\\r\\\n\]*" \ 63 ] "\r\n"] "stepi to live" 64 65# let's step from a goto position somewhere in the middle 66gdb_test "record goto 22" ".*fun3\.2.*" 67with_test_prefix "goto 22" { check_replay_at 22 } 68 69gdb_test "stepi" ".*fun1\.1.*" 70with_test_prefix "stepi to 23" { check_replay_at 23 } 71 72# and back again 73gdb_test "reverse-stepi" ".*fun3\.2.*" 74gdb_test "reverse-stepi" ".*fun3\.1.*" 75with_test_prefix "reverse-stepi to 21" { check_replay_at 21 } 76 77# let's try to step off the left end 78gdb_test "record goto begin" ".*main\.2.*" 79with_test_prefix "goto begin" { check_replay_at 1 } 80 81gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" 82gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" 83with_test_prefix "reverse-stepi at begin" { check_replay_at 1 } 84 85# we can step forward, though 86gdb_test "stepi" ".*fun4\.1.*" 87with_test_prefix "stepi to 2" { check_replay_at 2 } 88 89# let's try to step off the left end again 90gdb_test "reverse-stepi" ".*main\.2.*" 91gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" 92gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*" 93with_test_prefix "reverse-stepi at begin" { check_replay_at 1 } 94