Merge from vendor branch FILE:
[dragonfly.git] / tools / tools / kernxref / kernxref.sh
1 :
2 #
3 # ----------------------------------------------------------------------------
4 # "THE BEER-WARE LICENSE" (Revision 42):
5 # <phk@login.dknet.dk> wrote this file.  As long as you retain this notice you
6 # can do whatever you want with this stuff. If we meet some day, and you think
7 # this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
8 # ----------------------------------------------------------------------------
9 #
10 # $FreeBSD: src/tools/tools/kernxref/kernxref.sh,v 1.13 1999/08/28 00:54:30 peter Exp $
11 # $DragonFly: src/tools/tools/kernxref/kernxref.sh,v 1.3 2004/03/20 16:27:41 drhodus Exp $
12 #
13 # This shellscript will make a cross reference of the symbols of the LINT 
14 # kernel.
15
16 COMPILEDIR=/sys/compile
17 KERNELNAME=LINT
18
19 cd ${COMPILEDIR}/${KERNELNAME}
20
21 nm -gon `echo *.o /boot/kernel/*.ok     \
22         | tr ' ' '\012'                                 \
23         | egrep -v '(aicasm|genassym)'`                 \
24         | tr : ' ' | awk '
25 NF > 1  {
26         if (length($2) == 8) {
27                 $2 = $3
28                 $3 = $4
29         }
30         if ($2 == "t") 
31                 next
32         if ($2 == "F")
33                 next
34         nm[$3]++
35         if ($2 == "U") {
36                 ref[$3]=ref[$3]" "$1
37         } else if ($2 == "T" || $2 == "D" || $2 == "A") {
38                 if (def[$3] != "")
39                         def[$3]=def[$3]" "$1
40                 else
41                         def[$3]=$1
42         } else if ($2 == "?") {
43                 if (def[$3] == "S")
44                         i++
45                 else if (def[$3] != "")
46                         def[$3]=def[$3]",S"
47                 else
48                         def[$3]="S"
49                 ref[$3]=ref[$3]" "$1
50         } else if ($2 == "C") {
51                 if (def[$3] == $2)
52                         i++
53                 else if (def[$3] == "")
54                         def[$3]=$1
55                 else
56                         ref[$3]=ref[$3]" "$1
57         } else {
58                 print ">>>",$0
59         }
60         }
61 END     {
62         for (i in nm) {
63                 printf "%s {%s} %s\n",i,def[i],ref[i]
64         }
65         }
66 ' | sort | awk '
67         {
68         if ($2 == "{S}")
69                 $2 = "<Linker set>"
70         if (length($3) == 0) {
71                 printf "%-30s %3d %s\n\tUNREF\n",$1,0, $2
72                 N1++
73         } else if ($2 == "{}") {
74                 printf "%-30s %3d {UNDEF}\n",$1, NF-2
75                 N2++
76         } else {
77                 printf "%-30s %3d %s",$1,NF-2,$2
78                 p = 80;
79                 for (i = 3 ; i <= NF; i++) {
80                         if (p+length ($i)+1 > 78) {
81                                 printf "\n\t%s", $i
82                                 p = 7;
83                         } else {
84                                 printf " %s", $i
85                         }
86                         p += 1 + length ($i)
87                 }
88                 printf "\n"
89                 N3++
90                 if (NF-2 == 1) 
91                         N4++
92                 if (NF-2 == 2)
93                         N5++
94         }
95         }
96 END     {
97         printf "Total symbols: %5d\n",N1+N2+N3
98         printf "unref symbols: %5d\n",N1
99         printf "undef symbols: %5d\n",N2
100         printf "1 ref symbols: %5d\n",N4
101         printf "2 ref symbols: %5d\n",N5
102         }
103 '