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# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2013-2018 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/>.
if { [skip_btrace_tests] } {
unsupported "target does not support record-btrace"
return -1
}
standard_testfile record_goto.c
if [prepare_for_testing "failed to prepare" $testfile $srcfile] {
return -1
}
if ![runto_main] {
untested "failed to run to main"
return -1
}
# proceed to some sequential code
gdb_test "next"
# start tracing
gdb_test_no_output "record btrace"
# we start without trace
with_test_prefix "no trace" {
gdb_test "info record" [multi_line \
"Active record target: record-btrace" \
"Recording format: .*" \
"Recorded 0 instructions in 0 functions \\\(0 gaps\\\) for .*" \
]
gdb_test "record instruction-history" "No trace\."
gdb_test "record function-call-history" "No trace\."
}
# we record each single-step, even if we have not seen a branch, yet.
gdb_test "stepi"
proc check_trace {} {
gdb_test "info record" [multi_line \
"Active record target: record-btrace" \
"Recording format: .*" \
"Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \
]
gdb_test "record instruction-history /f 1" \
"1\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tmov *\\\$0x0,%eax\r"
gdb_test "record function-call-history /c 1" "1\tmain"
}
# make sure we don't extend the trace when we ask twice.
with_test_prefix "once" {
check_trace
}
with_test_prefix "twice" {
check_trace
}
# check that we can reverse-stepi that instruction
gdb_test "reverse-stepi"
gdb_test "info record" [multi_line \
"Active record target: record-btrace" \
"Recording format: .*" \
"Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \
"Replay in progress\. At instruction 1\." \
] "reverse-stepi"
# and back
gdb_test "stepi"
gdb_test "info record" [multi_line \
"Active record target: record-btrace" \
"Recording format: .*" \
"Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \
] "and back"
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