binutils-gdb/gdb/testsuite/gdb.base/dcache-flush.exp
Joel Brobecker 4a94e36819 Automatic Copyright Year update after running gdb/copyright.py
This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.

For the avoidance of doubt, all changes in this commits were
performed by the script.
2022-01-01 19:13:23 +04:00

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# Copyright 2020-2022 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/>.
# Test that the dcache can be flushed.
standard_testfile
if { [prepare_for_testing "failed to prepare" ${testfile}] } {
return -1
}
if ![runto func] {
return -1
}
gdb_test "up" ".* main .*"
gdb_test "p var1" " = 4"
gdb_test "p var2" " = 3"
# By reading var1 and var2 we should have at least one line in the
# dcache.
gdb_test "info dcache" \
[multi_line \
"Dcache $decimal lines of $decimal bytes each." \
"Contains data for (process $decimal|Thread \[^\r\n\]*)" \
"Line 0: address $hex \[$decimal hits\].*" \
"Cache state: $decimal active lines, $decimal hits" ] \
"check dcache before flushing"
# Flush the dcache.
gdb_test "maint flush dcache" "The dcache was flushed\."
# Check the dcache is now empty.
gdb_test "info dcache" \
[multi_line "Dcache $decimal lines of $decimal bytes each." \
"No data cache available." ] \
"check dcache after flushing"
# Read the stack variables again, refilling the dcache.
with_test_prefix "refilling" {
gdb_test "p var1" " = 4"
gdb_test "p var2" " = 3"
}
# And check we have some content back in the dcache.
gdb_test "info dcache" \
[multi_line \
"Dcache $decimal lines of $decimal bytes each." \
"Contains data for (process $decimal|Thread \[^\r\n\]*)" \
"Line 0: address $hex \[$decimal hits\].*" \
"Cache state: $decimal active lines, $decimal hits" ] \
"check dcache before refilling"