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author | James <> | 2015-11-04 11:49:21 +0000 |
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committer | James <> | 2015-11-04 11:49:21 +0000 |
commit | 716ca530e1c4515d8683c9d5be3d56b301758b66 (patch) | |
tree | 700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /scripts/strip-kmod.sh | |
download | trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.gz trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.tar.bz2 trunk-47381-716ca530e1c4515d8683c9d5be3d56b301758b66.zip |
Diffstat (limited to 'scripts/strip-kmod.sh')
-rwxr-xr-x | scripts/strip-kmod.sh | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/scripts/strip-kmod.sh b/scripts/strip-kmod.sh new file mode 100755 index 0000000..e3f13be --- /dev/null +++ b/scripts/strip-kmod.sh @@ -0,0 +1,53 @@ +#!/usr/bin/env bash +[ -n "$CROSS" ] || { + echo "The variable CROSS must be set to point to the cross-compiler prefix" + exit 1 +} + +MODULE="$1" + +[ "$#" -ne 1 ] && { + echo "Usage: $0 <module>" + exit 1 +} + +ARGS= +if [ -n "$KEEP_SYMBOLS" ]; then + ARGS="-X --strip-debug" +else + ARGS="-x -G __this_module --strip-unneeded" +fi + +if [ -z "$KEEP_BUILD_ID" ]; then + ARGS="$ARGS -R .note.gnu.build-id" +fi + +${CROSS}objcopy \ + -R .comment \ + -R .pdr \ + -R .mdebug.abi32 \ + -R .gnu.attributes \ + -R .reginfo \ + $ARGS \ + "$MODULE" "$MODULE.tmp" + +[ -n "$NO_RENAME" ] && { + mv "${MODULE}.tmp" "$MODULE" + exit 0 +} + +${CROSS}nm "$MODULE.tmp" | awk ' +BEGIN { + n = 0 +} + +$3 && $2 ~ /[brtd]/ && $3 !~ /\$LC/ && !def[$3] { + print "--redefine-sym "$3"=_"n; + n = n + 1 + def[$3] = 1 +} +' > "$MODULE.tmp1" + +${CROSS}objcopy `cat ${MODULE}.tmp1` ${MODULE}.tmp ${MODULE}.out +mv "${MODULE}.out" "${MODULE}" +rm -f "${MODULE}".t* |