rpm/findksyms.diff

SUSE specific kernel provides/requires scripts

---
 scripts/find-provides.ksyms |   23 +++++++++++++++++
 scripts/find-requires.ksyms |   59 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+)

--- /dev/null
+++ scripts/find-provides.ksyms
@@ -0,0 +1,23 @@
+#! /bin/sh
+
+IFS=$'\n'
+
+case "$1" in
+kernel-module-*)    ;; # Fedora kernel module package names start with
+		       # kernel-module.
+kernel*)	    is_kernel_package=1 ;;
+esac
+
+if ! [ -z "$is_kernel_package" ]; then
+    cat > /dev/null
+    exit 0
+fi
+
+for module in $(grep -E '/lib/modules/.+\.ko$'); do
+    flavor=$(/sbin/modinfo -F vermagic "$module")
+    flavor=${flavor%% *}
+    flavor=${flavor##*-}
+    nm "$module" \
+    | sed -r -ne "s/^0*([0-9a-f]+) A __crc_(.+)/ksym($flavor:\\2) = \\1/p"
+done \
+| sort -u
--- /dev/null
+++ scripts/find-requires.ksyms
@@ -0,0 +1,59 @@
+#! /bin/bash
+
+IFS=$'\n'
+
+case "$1" in
+kernel-module-*)    ;; # Fedora kernel module package names start with
+		       # kernel-module.
+kernel*)	    is_kernel_package=1 ;;
+esac
+
+all_provides() {
+    for module in "$@"; do
+	nm "$module"
+    done \
+    | sed -r -ne 's:^0*([0-9a-f]+) A __crc_(.+):\1\t\2:p' \
+    | sort -t $'\t' -k2 -u
+}
+
+all_requires() {
+    for module in "$@"; do
+	set -- $(/sbin/modinfo -F vermagic "$module" | sed -e 's: .*::' -e q)
+	if [ -e "/boot/symsets-$1.tar.gz" ]; then
+	    /sbin/modprobe --dump-modversions "$module" \
+	    | sed -r -e 's:^0x0*::' -e 's:$:\t'"$1"':'
+	fi
+    done \
+    | sort -t $'\t' -k2 -u
+}
+
+if ! [ -z "$is_kernel_package" -a -e /sbin/modinfo -a -e /sbin/modprobe ]; then
+    cat > /dev/null
+    exit 0
+fi
+
+modules=($(grep -E '/lib/modules/.+\.ko$'))
+if [ ${#modules[@]} -gt 0 ]; then
+    symset_table=$(mktemp -t ${0##*/}.XXXXX)
+    /usr/lib/rpm/symset-table | sort -t $'\t' -k 1,1 > $symset_table
+
+    join -t $'\t' -j 1 -a 2 $symset_table <(
+	# Filter out requirements that we fulfill ourself.
+	join -t $'\t' -j 2 -v 1 \
+	    <(all_requires "${modules[@]}") \
+	    <(all_provides "${modules[@]}") \
+	| awk '
+	BEGIN { FS = "\t" ; OFS = "\t" }
+	{ print $3 "/" $2 "/" $1 }
+	' \
+	| sort -t $'\t' -k 1,1 -u) \
+    | sort -u \
+    | awk '
+    { FS = "\t" ; OFS = "\t" }
+	    { split($1, arr, "/")
+	      flavor = gensub(/.*-/, "", "", arr[1]) }
+    NF == 3 { print "kernel(" flavor ":" $2 ") = " $3
+	      next }
+	    { print "ksym(" flavor ":" arr[3] ") = " arr[2] }
+    '
+fi