projects / deliverable / binutils-gdb.git / blame
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1 | # This testcase is part of GDB, the GNU debugger. |
| 2 | # | |
| 32d0add0 | 3 | # Copyright 2013-2015 Free Software Foundation, Inc. |
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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 | |
| 21 | if { [skip_btrace_tests] } { return -1 } | |
| 22 | ||
| 23 | # start inferior | |
| 24 | standard_testfile x86-record_goto.S | |
| 25 | if [prepare_for_testing nexti.exp $testfile $srcfile] { | |
| 26 | return -1 | |
| 27 | } | |
| 28 | ||
| 29 | if ![runto_main] { | |
| 30 | return -1 | |
| 31 | } | |
| 32 | ||
| 33 | # trace the call to the test function | |
| 34 | gdb_test_no_output "record btrace" | |
| 35 | gdb_test "next" | |
| 36 | ||
| 37 | proc check_replay_at { insn } { | |
| 38 | gdb_test "info record" [join [list \ | |
| 39 | "Active record target: record-btrace" \ | |
| f4abbc16 | 40 | "Recording format: .*" \ |
| 31fd9caa | 41 | "Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for .*" \ |
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42 | "Replay in progress\. At instruction $insn\." \ |
| 43 | ] "\r\n"] | |
| 44 | } | |
| 45 | ||
| 46 | # we start with stepping to make sure that the trace is fetched automatically | |
| 47 | # the call is outside of our trace | |
| 48 | gdb_test "reverse-nexti" ".*main\.2.*" | |
| 49 | with_test_prefix "reverse-nexti - 1" { check_replay_at 1 } | |
| 50 | ||
| 51 | # we can't reverse-step any further | |
| 52 | gdb_test "reverse-nexti" "No more reverse-execution history\.\r\n.*main\.2.*" | |
| 53 | with_test_prefix "reverse-nexti - 1" { check_replay_at 1 } | |
| 54 | ||
| 55 | # but we can step back again | |
| 56 | gdb_test "nexti" ".*main\.3.*" "next, 1.5" | |
| 57 | gdb_test "info record" [join [list \ | |
| 58 | "Active record target: record-btrace" \ | |
| f4abbc16 | 59 | "Recording format: .*" \ |
| 31fd9caa | 60 | "Recorded 40 instructions in 16 functions \\\(0 gaps\\\) for \[^\\\r\\\n\]*" \ |
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61 | ] "\r\n"] "nexti back" |
| 62 | ||
| 63 | # let's go somewhere where we can step some more | |
| 64 | gdb_test "record goto 22" ".*fun3\.2.*" | |
| 65 | with_test_prefix "goto 22" { check_replay_at 22 } | |
| 66 | ||
| 67 | gdb_test "nexti" ".*fun3\.3.*" | |
| 68 | with_test_prefix "nexti to 27" { check_replay_at 27 } | |
| 69 | ||
| 70 | gdb_test "nexti" ".*fun3\.4.*" | |
| 71 | with_test_prefix "nexti to 37" { check_replay_at 37 } | |
| 72 | ||
| 73 | # and back again | |
| 74 | gdb_test "reverse-nexti" ".*fun3\.3.*" | |
| 75 | with_test_prefix "reverse-nexti to 27" { check_replay_at 27 } | |
| 76 | ||
| 77 | gdb_test "reverse-nexti" ".*fun3\.2.*" | |
| 78 | with_test_prefix "reverse-nexti to 22" { check_replay_at 22 } |