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authorCem Keylan <cem@ckyln.com>2021-03-08 11:12:55 +0300
committerCem Keylan <cem@ckyln.com>2021-03-08 11:12:55 +0300
commit24f3ab2b19a81b582f15aa317e5966cf56df2c67 (patch)
treec801fcd79501a597f530e8de5869c4d06e67a55a /personal/linux-zfs/patches
parentbaafdec9d89d834d798fe174fb149327a37ece45 (diff)
downloadrepository-24f3ab2b19a81b582f15aa317e5966cf56df2c67.tar.gz
linux-zfs: new-package, zfs: update to 2.0.3
Diffstat (limited to 'personal/linux-zfs/patches')
-rw-r--r--personal/linux-zfs/patches/kernel-no-perl.patch292
1 files changed, 292 insertions, 0 deletions
diff --git a/personal/linux-zfs/patches/kernel-no-perl.patch b/personal/linux-zfs/patches/kernel-no-perl.patch
new file mode 100644
index 0000000..1b1c1ce
--- /dev/null
+++ b/personal/linux-zfs/patches/kernel-no-perl.patch
@@ -0,0 +1,292 @@
+--- a/lib/Makefile
++++ b/lib/Makefile
+@@ -271,7 +271,7 @@
+ $(call cmd,build_OID_registry)
+
+ quiet_cmd_build_OID_registry = GEN $@
+- cmd_build_OID_registry = perl $(srctree)/$(src)/build_OID_registry $< $@
++ cmd_build_OID_registry = $(CONFIG_SHELL) $(srctree)/$(src)/build_OID_registry <$< >$@
+
+ clean-files += oid_registry_data.c
+
+--- a/lib/build_OID_registry
++++ b/lib/build_OID_registry
+@@ -1,4 +1,4 @@
+-#!/usr/bin/perl -w
++#!/bin/sh
+ # SPDX-License-Identifier: GPL-2.0-or-later
+ #
+ # Build a static ASN.1 Object Identified (OID) registry
+@@ -7,197 +7,93 @@
+ # Written by David Howells (dhowells@redhat.com)
+ #
+
+-use strict;
+-
+-my @names = ();
+-my @oids = ();
+-
+-if ($#ARGV != 1) {
+- print STDERR "Format: ", $0, " <in-h-file> <out-c-file>\n";
+- exit(2);
+-}
+-
+ #
+-# Open the file to read from
++# Read OID lines and determine the lengths of the encoded data arrays.
+ #
+-open IN_FILE, "<$ARGV[0]" || die;
+-while (<IN_FILE>) {
+- chomp;
+- if (m!\s+OID_([a-zA-z][a-zA-Z0-9_]+),\s+/[*]\s+([012][.0-9]*)\s+[*]/!) {
+- push @names, $1;
+- push @oids, $2;
+- }
+-}
+-close IN_FILE || die;
++set -f -- # use "$@" array for data
++total_length=0 IFS='.'
++while IFS=' ' read -r line; do
++ if [ "${line#OID_[a-z]}" != "$line" ]; then
++ name="${line#*_}" name="${name%,*}" oid="${line#*/* }" oid="${oid% */}"
++ # shellcheck disable=SC2086
++ size="$(set -- $oid; printf '%u' "$(($# - 1))")"
++ for c in $oid; do
++ # We will base128 encode the number
++ : "$((size += c ? $(awk "BEGIN{print int(log($c)/log(2)/7)}") : 0))"
++ done
++ set -- "$@" "$name:$oid:$total_length"
++ : "$((total_length += size))"
++ fi
++done
+
+ #
+-# Open the files to write into
+-#
+-open C_FILE, ">$ARGV[1]" or die;
+-print C_FILE "/*\n";
+-print C_FILE " * Automatically generated by ", $0, ". Do not edit\n";
+-print C_FILE " */\n";
+-
+-#
+-# Split the data up into separate lists and also determine the lengths of the
+-# encoded data arrays.
+-#
+-my @indices = ();
+-my @lengths = ();
+-my $total_length = 0;
+-
+-for (my $i = 0; $i <= $#names; $i++) {
+- my $name = $names[$i];
+- my $oid = $oids[$i];
+-
+- my @components = split(/[.]/, $oid);
+-
+- # Determine the encoded length of this OID
+- my $size = $#components;
+- for (my $loop = 2; $loop <= $#components; $loop++) {
+- my $c = $components[$loop];
+-
+- # We will base128 encode the number
+- my $tmp = ($c == 0) ? 0 : int(log($c)/log(2));
+- $tmp = int($tmp / 7);
+- $size += $tmp;
+- }
+- push @lengths, $size;
+- push @indices, $total_length;
+- $total_length += $size;
+-}
+-
+-#
+ # Emit the look-up-by-OID index table
+ #
+-print C_FILE "\n";
+-if ($total_length <= 255) {
+- print C_FILE "static const unsigned char oid_index[OID__NR + 1] = {\n";
+-} else {
+- print C_FILE "static const unsigned short oid_index[OID__NR + 1] = {\n";
+-}
+-for (my $i = 0; $i <= $#names; $i++) {
+- print C_FILE "\t[OID_", $names[$i], "] = ", $indices[$i], ",\n"
+-}
+-print C_FILE "\t[OID__NR] = ", $total_length, "\n";
+-print C_FILE "};\n";
++printf '/*\n * Automatically generated by %s. Do not edit\n */\n\n' "$0"
++if [ "$total_length" -le 255 ]; then
++ printf 'static const unsigned char oid_index[OID__NR + 1] = {\n'
++else
++ printf 'static const unsigned short oid_index[OID__NR + 1] = {\n'
++fi
++for i do
++ printf '\t[OID_%s] = %u,\n' "${i%%:*}" "${i##*:}"
++done
++printf '\t[OID__NR] = %u\n};\n\n' "$total_length"
+
+ #
+-# Encode the OIDs
++# Encode the OIDs and emit the OID data
+ #
+-my @encoded_oids = ();
++printf 'static const unsigned char oid_data[%u] = {\n' "$total_length"
++for i do
++ IFS='.' j=0 i="${i%:*}"
++ for c in ${i##*:}; do
++ case "$((j += 1))" in
++ 1) o="$((c * 40))";;
++ 2) : "$((o += c))";;
++ *)
++ # Base128 encode the number
++ tmp="$((c ? $(awk "BEGIN{print int(log($c)/log(2)/7)+1}") : 1))"
++ while [ "$((tmp -= 1))" -gt 0 ]; do
++ o="$o.$((c >> tmp * 7 & 127 | 128))"
++ done
++ o="$o.$((c & 127))"
++ esac
++ done
+
+-for (my $i = 0; $i <= $#names; $i++) {
+- my @octets = ();
++ set -- "$@" "${i%:*}:$o"
++ shift
+
+- my @components = split(/[.]/, $oids[$i]);
++ printf '\t'
++ printf '%s, ' $o
++ printf '\t// %s\n' "${i%:*}"
++done
++printf '};\n\n'
+
+- push @octets, $components[0] * 40 + $components[1];
++printf 'static const struct {\n\tunsigned char hash;\n'
++printf '\tenum OID oid : %u;\n} oid_search_table[OID__NR] = {' \
++ "$(($# <= 255 ? 8 : 16))"
+
+- for (my $loop = 2; $loop <= $#components; $loop++) {
+- my $c = $components[$loop];
+-
+- # Base128 encode the number
+- my $tmp = ($c == 0) ? 0 : int(log($c)/log(2));
+- $tmp = int($tmp / 7);
+-
+- for (; $tmp > 0; $tmp--) {
+- push @octets, (($c >> $tmp * 7) & 0x7f) | 0x80;
+- }
+- push @octets, $c & 0x7f;
+- }
+-
+- push @encoded_oids, \@octets;
+-}
+-
+ #
+-# Create a hash value for each OID
++# Create a hash value for each OID and build and emit the search index and hash
++# value table (ordered by length then hash then content)
+ #
+-my @hash_values = ();
+-for (my $i = 0; $i <= $#names; $i++) {
+- my @octets = @{$encoded_oids[$i]};
+-
+- my $hash = $#octets;
+- foreach (@octets) {
+- $hash += $_ * 33;
+- }
+-
+- $hash = ($hash >> 24) ^ ($hash >> 16) ^ ($hash >> 8) ^ ($hash);
+-
+- push @hash_values, $hash & 0xff;
+-}
+-
+-#
+-# Emit the OID data
+-#
+-print C_FILE "\n";
+-print C_FILE "static const unsigned char oid_data[", $total_length, "] = {\n";
+-for (my $i = 0; $i <= $#names; $i++) {
+- my @octets = @{$encoded_oids[$i]};
+- print C_FILE "\t";
+- print C_FILE $_, ", " foreach (@octets);
+- print C_FILE "\t// ", $names[$i];
+- print C_FILE "\n";
+-}
+-print C_FILE "};\n";
+-
+-#
+-# Build the search index table (ordered by length then hash then content)
+-#
+-my @index_table = ( 0 .. $#names );
+-
+-@index_table = sort {
+- my @octets_a = @{$encoded_oids[$a]};
+- my @octets_b = @{$encoded_oids[$b]};
+-
+- return $hash_values[$a] <=> $hash_values[$b]
+- if ($hash_values[$a] != $hash_values[$b]);
+- return $#octets_a <=> $#octets_b
+- if ($#octets_a != $#octets_b);
+- for (my $i = $#octets_a; $i >= 0; $i--) {
+- return $octets_a[$i] <=> $octets_b[$i]
+- if ($octets_a[$i] != $octets_b[$i]);
+- }
+- return 0;
+-
+-} @index_table;
+-
+-#
+-# Emit the search index and hash value table
+-#
+-print C_FILE "\n";
+-print C_FILE "static const struct {\n";
+-print C_FILE "\tunsigned char hash;\n";
+-if ($#names <= 255) {
+- print C_FILE "\tenum OID oid : 8;\n";
+-} else {
+- print C_FILE "\tenum OID oid : 16;\n";
+-}
+-print C_FILE "} oid_search_table[OID__NR] = {\n";
+-for (my $i = 0; $i <= $#names; $i++) {
+- my @octets = @{$encoded_oids[$index_table[$i]]};
+- printf(C_FILE "\t[%3u] = { %3u, OID_%-35s }, // ",
+- $i,
+- $hash_values[$index_table[$i]],
+- $names[$index_table[$i]]);
+- printf C_FILE "%02x", $_ foreach (@octets);
+- print C_FILE "\n";
+-}
+-print C_FILE "};\n";
+-
+-#
+-# Emit the OID debugging name table
+-#
+-#print C_FILE "\n";
+-#print C_FILE "const char *const oid_name_table[OID__NR + 1] = {\n";
+-#
+-#for (my $i = 0; $i <= $#names; $i++) {
+-# print C_FILE "\t\"", $names[$i], "\",\n"
+-#}
+-#print C_FILE "\t\"Unknown-OID\"\n";
+-#print C_FILE "};\n";
+-
+-#
+-# Polish off
+-#
+-close C_FILE or die;
++i=-1
++for j do
++ IFS='.'
++ # shellcheck disable=SC2086
++ count="$(set -- ${j##*:}; printf '%u' "$(($# - 1))")"
++ hash="$count"
++ set -- # use as array for reversing octet set
++ for k in ${j##*:}; do
++ : "$((hash += k * 33))"
++ set -- "$k" "$@"
++ done
++ hash="$((hash >> 24 ^ hash >> 16 ^ hash >> 8 ^ hash & 255))"
++ IFS=':'
++ printf '%u:%s:%s:%u:%s\n' "$hash" "${j##*:}" "${j%%:*}" "$count" "$*"
++done | sort -nt: -k1,1 -k4,4 -k5 | while IFS=':' read -r num octets name _; do
++ printf '\n\t[%3u] = { %3u, OID_%-35s }, // ' "$((i += 1))" "$num" "$name"
++ # shellcheck disable=SC2086
++ printf '%02x' $octets
++done
++printf '\n};\n'