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openSUSE:Leap:15.2:Rings:1-MinimalX
kernel-preempt
klp-symbols
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File klp-symbols of Package kernel-preempt
#!/bin/bash set -e export LC_COLLATE=C usage() { echo "Tool to generate list of symbols that are used to build kernel livepatches" echo echo "Usage: ${0##*/} kernel_build_dir klp_symbols" echo " kernel_build_dir Directory where to find the built kernel binaries" echo " klp_symbols Output file with the list of symbols" } if test "$1" == "-h" -o "$1" == "--help" -o $# -ne 2 ; then usage >&2 exit 1 fi KLP_DATA_VERSION="0.1" KERNEL_BUILD_DIR="$1" KLP_SYMBOLS="$2" VMLINUX="$KERNEL_BUILD_DIR/vmlinux" MODVER_DIR="$KERNEL_BUILD_DIR/.tmp_versions" if ! test -f "$VMLINUX" ; then echo "Error: Cannot open file: $VMLINUX" >&2 exit 1 fi if ! test -d "$MODVER_DIR" ; then # kernel >= 5.3 has *.mod in the build tree mod_cnt=$(find "$KERNEL_BUILD_DIR" -name '*.mod' | wc -l) if [ $mod_cnt -eq 0 ]; then echo "Error: Directory does not exist: $MODVER_DIR" >&2 exit 1 fi MODVER_DIR="$KERNEL_BUILD_DIR" fi get_symbols() { nm -f posix "$1" | grep -v '\( [UN] \)\|\(\.L\|__crc_\)' | cut -d\ -f1 } echo "klp-convert-symbol-data.$KLP_DATA_VERSION" > "$KLP_SYMBOLS" echo "*vmlinux" >> "$KLP_SYMBOLS" get_symbols "$VMLINUX" >> "$KLP_SYMBOLS" find "$MODVER_DIR" -iname '*.mod' | while read KMOD ; do if [ "$MODVER_DIR" = "$KERNEL_BUILD_DIR" ]; then # kernel >= 5.3, just replace the suffix KO_FILE="${KMOD%.mod}.ko" else # kernel <= 5.2, read .ko path and file from .mod file KO_FILE="$(head -n1 $KMOD)" fi # obtain module name and its object file by processing .ko file name NO_SUFFIX="$(basename -s .ko $KO_FILE)" KMOD_NAME="$(echo $NO_SUFFIX | sed 's/-/_/g')" OBJ_FILE="$(dirname $KO_FILE)/$NO_SUFFIX.o" # write module name to Symbols file echo "*$KMOD_NAME" >> "$KLP_SYMBOLS" # extract symbols from object file and write them to Symbols file get_symbols "$OBJ_FILE" >> "$KLP_SYMBOLS" done exit 0
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