1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
:
#
# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
# ----------------------------------------------------------------------------
#
# $Id$
#
# This shellscript will make a cross reference of the symbols of the LINT
# kernel.
cd /sys/compile/LINT
nm -gon *.o /lkm/*.o | tr : ' ' | awk '
NF > 1 {
if (length($2) == 8) {
$2 = $3
$3 = $4
}
if ($2 == "t")
next
if ($2 == "F")
next
nm[$3]++
if ($2 == "U") {
ref[$3]=ref[$3]" "$1
} else if ($2 == "T" || $2 == "D" || $2 == "A") {
if (def[$3] != "")
def[$3]=def[$3]" "$1
else
def[$3]=$1
} else if ($2 == "?") {
if (def[$3] == "S")
i++
else if (def[$3] != "")
def[$3]=def[$3]",S"
else
def[$3]="S"
ref[$3]=ref[$3]" "$1
} else if ($2 == "C") {
if (def[$3] == $2)
i++
else if (def[$3] == "")
def[$3]=$1
else
ref[$3]=ref[$3]" "$1
} else {
print ">>>",$0
}
}
END {
for (i in nm) {
printf "%s {%s} %s\n",i,def[i],ref[i]
}
}
' | sort | awk '
{
if ($2 == "{S}")
$2 = "<Linker set>"
if (length($3) == 0) {
printf "%-30s %3d %s\n\tUNREF\n",$1,0, $2
N1++
} else if ($2 == "{}") {
printf "%-30s %3d {UNDEF}\n",$1, NF-2
N2++
} else {
printf "%-30s %3d %s",$1,NF-2,$2
p = 80;
for (i = 3 ; i <= NF; i++) {
if (p+length ($i)+1 > 78) {
printf "\n\t%s", $i
p = 7;
} else {
printf " %s", $i
}
p += 1 + length ($i)
}
printf "\n"
N3++
if (NF-2 == 1)
N4++
if (NF-2 == 2)
N5++
}
}
END {
printf "Total symbols: %5d\n",N1+N2+N3
printf "unref symbols: %5d\n",N1
printf "undef symbols: %5d\n",N2
printf "1 ref symbols: %5d\n",N4
printf "2 ref symbols: %5d\n",N5
}
'
|
