4
# This is a nasty kluge, but it seems to work. Better check the output when
5
# upgrading to a new release of the nvidia driver, though.
7
if [ "$#" -ne 4 ]; then
8
>&2 printf 'USAGE: %s modulename packagename README.txt nv-kernel.o\n' "$0"
13
local modname="$1"; shift
14
local pkgname="$1"; shift
15
local readme="$1"; shift
16
local object="$1"; shift
20
local symbols="$(mktemp)"
21
local readme_list="$(mktemp)"
22
local object_list="$(mktemp)"
23
local diff="$(mktemp)"
25
sed -nr '/^Appendix .\. Supported NVIDIA /,/legacy/ {
26
s/.* 0x([0-9a-fA-F]{4})( .*|$)/\1/p
27
}' "$readme" | tr A-F a-f | sort | uniq >"$readme_list"
29
local readme_length="$(grep -Ec . "$readme_list")"
31
objdump --section=.rodata --syms "$object" |
32
sed -nr '/SYMBOL TABLE/,/^$/ {
33
s/^([0-9a-f]+)\s+l\s+O\s+\S+\s+([0-9a-f]+)\s+\S+.*/\2 \1/p
35
sort -nr >"$symbols" # The list is probably among the larger symbols.
37
while read length start; do
38
[ "$((0x$length))" -gt 0 ] || continue
40
objdump --section=.rodata --full-contents \
41
--start-address="0x$start" \
42
--stop-address="$((0x$start+0x$length))" "$object" |
43
sed -nr 's/^ [0-9a-f]+ ([0-9a-f]{2})([0-9a-f]{2}).*/\2\1/p' |
44
sort | uniq | (grep -vx 0000 || :) >"$object_list"
46
local object_length="$(grep -Ec . "$object_list")"
48
diff -u "$readme_list" "$object_list" | tail -n +3 >"$diff"
49
local num_deletions="$(grep -Ec '^-' "$diff")"
50
local num_additions="$(grep -Ec '^\+' "$diff")"
52
# Some thresholds for now.
53
if [ "$num_deletions" -eq 0 ] &&
54
[ "$num_additions" -le "$(($readme_length*3/2))" ]; then
55
>&2 printf 'DEBUG: readme:%d object:%d deletions:%d additions:%d\n' \
56
"$readme_length" "$object_length" "$num_deletions" "$num_additions"
62
if [ "$ret" -eq 0 ]; then
63
printf '%s\n' '# List generated by nvidia_supported. Do not edit manually.'
66
printf 'alias pci:v%08Xd%08Xsv*sd*bc03sc*i* %s %s\n' \
67
0x10de "0x$id" "$modname" "$pkgname"
71
>&2 printf '%s\n' 'Failed to find the list. Using README.txt to get the list'
73
# We failed to extract the ids from the blob. Use the ones in README.txt
75
printf '%s\n' '# List generated by nvidia_supported. Do not edit manually.'
77
printf 'alias pci:v%08Xd%08Xsv*sd*bc03sc*i* %s %s\n' \
78
0x10de "0x$id" "$modname" "$pkgname"
84
rm -f "$symbols" "$readme_list" "$object_list" "$diff"
91
# vim:set et sw=2 sts=2: