93 lines
3.1 KiB
Text
93 lines
3.1 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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#
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# Copyright 2013-2015 Free Software Foundation, Inc.
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#
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# Contributed by Intel Corp. <markus.t.metzger@intel.com>
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#
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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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# check for btrace support
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if { [skip_btrace_tests] } { return -1 }
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# start inferior
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standard_testfile x86-record_goto.S
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if [prepare_for_testing stepi.exp $testfile $srcfile] {
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return -1
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}
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global gdb_prompt
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if ![runto_main] {
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return -1
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}
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proc check_replay_at { insn } {
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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"Recorded 40 instructions in 16 functions for .*" \
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"Replay in progress\. At instruction $insn\." \
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] "\r\n"]
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}
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# trace the call to the test function
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gdb_test_no_output "record btrace"
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gdb_test "next"
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# we start with stepping to make sure that the trace is fetched automatically
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gdb_test "reverse-stepi" ".*fun4\.5.*"
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gdb_test "reverse-stepi" ".*fun4\.5.*"
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# let's check where we are in the trace
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with_test_prefix "reverse-stepi to 39" { check_replay_at 39 }
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# let's step forward and check again
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gdb_test "stepi" ".*fun4\.5.*"
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with_test_prefix "stepi to 40" { check_replay_at 40 }
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# with the next step, we stop replaying
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gdb_test "stepi" ".*main\.3.*"
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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"Recorded 40 instructions in 16 functions for \[^\\\r\\\n\]*" \
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] "\r\n"] "stepi to live"
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# let's step from a goto position somewhere in the middle
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gdb_test "record goto 22" ".*fun3\.2.*"
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with_test_prefix "goto 22" { check_replay_at 22 }
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gdb_test "stepi" ".*fun1\.1.*"
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with_test_prefix "stepi to 23" { check_replay_at 23 }
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# and back again
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gdb_test "reverse-stepi" ".*fun3\.2.*"
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gdb_test "reverse-stepi" ".*fun3\.1.*"
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with_test_prefix "reverse-stepi to 21" { check_replay_at 21 }
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# let's try to step off the left end
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gdb_test "record goto begin" ".*main\.2.*"
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with_test_prefix "goto begin" { check_replay_at 1 }
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gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
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gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
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with_test_prefix "reverse-stepi at begin" { check_replay_at 1 }
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# we can step forward, though
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gdb_test "stepi" ".*fun4\.1.*"
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with_test_prefix "stepi to 2" { check_replay_at 2 }
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# let's try to step off the left end again
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gdb_test "reverse-stepi" ".*main\.2.*"
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gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
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gdb_test "reverse-stepi" "No more reverse-execution history\.\r\n.*main\.2.*"
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with_test_prefix "reverse-stepi at begin" { check_replay_at 1 }
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