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# Copyright 2015-2020 Free Software Foundation, Inc.
# 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/>.
# This file is part of the gdb testsuite.
#
# This test tests socketpair and recvmsg syscalls for reverse execution.
#
if ![supports_reverse] {
return
}
standard_testfile
if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
return -1
}
runto main
if [supports_process_record] {
# Activate process record/replay
gdb_test_no_output "record" "turn on process record"
}
gdb_test "break marker2" \
"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
"set breakpoint at marker2"
gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
gdb_test "break marker1" \
"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
"set breakpoint at marker1"
gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
# If the variables were recorded properly on syscall, the old contents will
# be remembered. If not, new contents will be used, and the test will fail.
# rdata should be "xxxx", not "cdab"
gdb_test "print rdata" ".* = \"xxxx\"" "check recvmsg record - rdata"
# rmsg.msg_flags should be zeros, not MSG_TRUNC | MSG_CTRUNC
gdb_test "print rmsg.msg_flags" ".* = 0" \
"check recvmsg record - rmsg.msg_flags"
# rmsg.msg_controllen should be sizeof rc, not actual size of control data
# (7 bytes less)
gdb_test "print rmsg.msg_controllen - sizeof rc" ".* = 0" \
"check recvmsg record - rmsg.msg_controllen"
# rc should be zeros, not received cmsg
gdb_test "print ((struct cmsghdr *)rc)->cmsg_len" ".* = 0" "check recvmsg record - cmsg"
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