1# This testcase is part of GDB, the GNU debugger. 2# 3# Copyright 2013-2020 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 20if { [skip_btrace_tests] } { 21 unsupported "target does not support record-btrace" 22 return -1 23} 24 25standard_testfile record_goto.c 26if [prepare_for_testing "failed to prepare" $testfile $srcfile] { 27 return -1 28} 29 30if ![runto_main] { 31 untested "failed to run to main" 32 return -1 33} 34 35# proceed to some sequential code 36gdb_test "next" 37 38# start tracing 39gdb_test_no_output "record btrace" 40 41# we start without trace 42with_test_prefix "no trace" { 43 gdb_test "info record" [multi_line \ 44 "Active record target: record-btrace" \ 45 "Recording format: .*" \ 46 "Recorded 0 instructions in 0 functions \\\(0 gaps\\\) for .*" \ 47 ] 48 gdb_test "record instruction-history" "No trace\." 49 gdb_test "record function-call-history" "No trace\." 50} 51 52# we record each single-step, even if we have not seen a branch, yet. 53gdb_test "stepi" 54 55proc check_trace {} { 56 gdb_test "info record" [multi_line \ 57 "Active record target: record-btrace" \ 58 "Recording format: .*" \ 59 "Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \ 60 ] 61 gdb_test "record instruction-history /f 1" \ 62 "1\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tmov *\\\$0x0,%eax\r" 63 gdb_test "record function-call-history /c 1" "1\tmain" 64} 65 66# make sure we don't extend the trace when we ask twice. 67with_test_prefix "once" { 68 check_trace 69} 70 71with_test_prefix "twice" { 72 check_trace 73} 74 75# check that we can reverse-stepi that instruction 76gdb_test "reverse-stepi" 77gdb_test "info record" [multi_line \ 78 "Active record target: record-btrace" \ 79 "Recording format: .*" \ 80 "Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \ 81 "Replay in progress\. At instruction 1\." \ 82 ] "reverse-stepi" 83 84# and back 85gdb_test "stepi" 86gdb_test "info record" [multi_line \ 87 "Active record target: record-btrace" \ 88 "Recording format: .*" \ 89 "Recorded 1 instructions in 1 functions \\\(0 gaps\\\) for .*" \ 90 ] "and back" 91