opnsense-src/sbin/savecore/tests/livedump_test.sh
Mark Johnston bf5056741d savecore tests: Update to match output from savecore(8)
(cherry picked from commit ff13773802dcc22f3585fb953c9fffbb605ce3ac)
2025-02-21 01:04:50 +00:00

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#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2024 Mark Johnston <markj@FreeBSD.org>
#
atf_test_case livedump_kldstat
livedump_kldstat_head()
{
atf_set "descr" "Test livedump integrity"
atf_set "require.progs" kgdb
atf_set "require.user" root
}
livedump_kldstat_body()
{
atf_check -e match:"savecore .*- livedump" savecore -L .
kernel=$(sysctl -n kern.bootfile)
if ! [ -f /usr/lib/debug/${kernel}.debug ]; then
atf_skip "No debug symbols for the running kernel"
fi
# Implement kldstat using gdb script.
cat >./kldstat.gdb <<'__EOF__'
printf "Id Refs Address Size Name\n"
set $_lf = linker_files.tqh_first
while ($_lf)
printf "%2d %4d %p %8x %s\n", $_lf->id, $_lf->refs, $_lf->address, $_lf->size, $_lf->filename
set $_lf = $_lf->link.tqe_next
end
__EOF__
# Ignore stderr since kgdb prints some warnings about inaccessible
# source files.
#
# Use a script to source the main gdb script, otherwise kgdb prints
# a bunch of line noise that is annoying to filter out.
echo "source ./kldstat.gdb" > ./script.gdb
atf_check -o save:out -e ignore \
kgdb -q ${kernel} ./livecore.0 < ./script.gdb
# Get rid of gunk printed by kgdb.
sed -i '' -n -e 's/^(kgdb) //' -e '/^Id Refs /,$p' out
# The output of kgdb should match the output of kldstat.
atf_check -o save:kldstat kldstat
atf_check diff kldstat out
}
atf_init_test_cases()
{
atf_add_test_case livedump_kldstat
}