xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.btrace/vdso.exp (revision 4439cfd0acf9c7dc90625e5cd83b2317a9ab8967)
1# This testcase is part of GDB, the GNU debugger.
2#
3# Copyright 2014-2023 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#
20#
21# Test that we can access the vdso memory during replay for stepping.
22
23if { [skip_btrace_tests] } {
24    unsupported "target does not support record-btrace"
25    return -1
26}
27
28standard_testfile
29if [prepare_for_testing "failed to prepare" $testfile $srcfile] {
30    return -1
31}
32
33if ![runto_main] {
34    return -1
35}
36
37# capture the disassembly of gettimeofday while live debugging
38set live_gettimeofday [capture_command_output "disassemble gettimeofday" ""]
39
40# trace the test code
41gdb_test_no_output "record btrace"
42gdb_test "stepi" ".*"
43
44with_test_prefix "replay" {
45	# start replaying
46	gdb_test "record goto begin" ".*"
47	gdb_test "info record" "Replay in progress\.\[^\\\r\\\n\]*"
48
49	# capture the disassembly of gettimeofday while replaying
50	set replay_gettimeofday [capture_command_output "disassemble gettimeofday" ""]
51
52	# the two disassemblies must be identical
53	if ![string compare $live_gettimeofday $replay_gettimeofday]  {
54		pass "disassemble gettimeofday"
55	} else {
56		fail "disassemble gettimeofday"
57	}
58}
59