2013-09-10 12:27:14 +02:00
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# This testcase is part of GDB, the GNU debugger.
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#
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2015-01-01 10:32:14 +01:00
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# Copyright 2013-2015 Free Software Foundation, Inc.
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2013-09-10 12:27:14 +02:00
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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 delta.exp $testfile $srcfile] {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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# proceed to some sequential code
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gdb_test "next"
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# start tracing
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gdb_test_no_output "record btrace"
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# we start without trace
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with_test_prefix "no trace" {
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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2013-11-28 15:44:13 +01:00
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"Recording format: .*" \
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2013-09-10 12:27:14 +02:00
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"Recorded 0 instructions in 0 functions for .*" \
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] "\r\n"]
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gdb_test "record instruction-history" "No trace\."
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gdb_test "record function-call-history" "No trace\."
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}
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# we record each single-step, even if we have not seen a branch, yet.
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gdb_test "stepi"
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proc check_trace {} {
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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2013-11-28 15:44:13 +01:00
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"Recording format: .*" \
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2013-09-10 12:27:14 +02:00
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"Recorded 1 instructions in 1 functions for .*" \
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] "\r\n"]
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gdb_test "record instruction-history /f 1" \
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"1\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tmov *\\\$0x0,%eax\r"
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gdb_test "record function-call-history /c 1" "1\tmain"
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}
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# make sure we don't extend the trace when we ask twice.
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with_test_prefix "once" {
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check_trace
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}
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with_test_prefix "twice" {
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check_trace
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}
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2013-05-06 16:04:46 +02:00
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# check that we can reverse-stepi that instruction
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gdb_test "reverse-stepi"
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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2013-11-28 15:44:13 +01:00
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"Recording format: .*" \
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2013-05-06 16:04:46 +02:00
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"Recorded 1 instructions in 1 functions for .*" \
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"Replay in progress\. At instruction 1\." \
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] "\r\n"] "reverse-stepi"
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# and back
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gdb_test "stepi"
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gdb_test "info record" [join [list \
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"Active record target: record-btrace" \
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2013-11-28 15:44:13 +01:00
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"Recording format: .*" \
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2013-05-06 16:04:46 +02:00
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"Recorded 1 instructions in 1 functions for .*" \
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] "\r\n"] "and back"
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