xref: /freebsd/tests/sys/kern/coredump_phnum_test.sh (revision 7c1b51d6dc2e165ae7333373513b080f17cf79bd)
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30# $FreeBSD$
31
32atf_test_case coredump_phnum cleanup
33coredump_phnum_head()
34{
35	atf_set "descr" "More than 65534 segments"
36	atf_set "require.config" "allow_sysctl_side_effects"
37	atf_set "require.progs" "readelf procstat"
38	atf_set "require.user" "root"
39}
40coredump_phnum_body()
41{
42	# Set up core dumping
43	cat > coredump_phnum_restore_state.sh <<-EOF
44	#!/bin/sh
45	ulimit -c '$(ulimit -c)'
46	sysctl kern.coredump=$(sysctl -n kern.coredump)
47	sysctl kern.corefile='$(sysctl -n kern.corefile)'
48EOF
49
50	ulimit -c unlimited
51	sysctl kern.coredump=1
52	sysctl kern.corefile="$(pwd)/coredump_phnum_helper.core"
53
54	atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper"
55
56	# Check that core looks good
57	if [ ! -f coredump_phnum_helper.core ]; then
58		atf_fail "Helper program did not dump core"
59	fi
60
61	# These magic numbers don't have any real significance.  They are just
62	# the result of running the helper program and dumping core.  The only
63	# important bit is that they're larger than 65535 (UINT16_MAX).
64	atf_check -o "match:65535 \(66[0-9]{3}\)" \
65	    -x 'readelf -h coredump_phnum_helper.core | grep "Number of program headers:"'
66	atf_check -o "match:There are 66[0-9]{3} program headers" \
67	    -x 'readelf -l coredump_phnum_helper.core | grep -1 "program headers"'
68	atf_check -o "match: 0000000000000001 .* 66[0-9]{3} " \
69	    -x 'readelf -S coredump_phnum_helper.core | grep -A1 "^  \[ 0\] "'
70
71	atf_check -o "match:66[0-9]{3}" \
72	    -x 'procstat -v coredump_phnum_helper.core | wc -l'
73}
74coredump_phnum_cleanup()
75{
76	rm -f coredump_phnum_helper.core
77	if [ -f coredump_phnum_restore_state.sh ]; then
78		. ./coredump_phnum_restore_state.sh
79	fi
80	rm -f coredump_phnum_restore_state.sh
81}
82
83atf_init_test_cases()
84{
85	atf_add_test_case coredump_phnum
86}
87