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|
#!/bin/bash
if [[ ${KPATCH_GCC_DEBUG:-0} -ne 0 ]]; then
set -o xtrace
fi
TOOLCHAINCMD="$1"
shift
if [[ -z "$KPATCH_GCC_TEMPDIR" ]]; then
exec "$TOOLCHAINCMD" "$@"
fi
declare -a args=("$@")
if [[ "$TOOLCHAINCMD" =~ ^(.*-)?gcc$ || "$TOOLCHAINCMD" =~ ^(.*-)?clang$ ]] ; then
while [ "$#" -gt 0 ]; do
if [ "$1" = "-o" ]; then
obj="$2"
# skip copying the temporary .o files created by
# recordmcount.pl
[[ "$obj" = */.tmp_mc_*.o ]] && break;
[[ "$obj" = */.tmp_*.o ]] && obj="${obj/.tmp_/}"
relobj=${obj##"$KPATCH_GCC_SRCDIR"/}
case "$relobj" in
*.mod.o|\
*built-in.o|\
*built-in.a|\
vmlinux.o|\
.tmp_kallsyms1.o|\
.tmp_kallsyms2.o|\
arch/x86/boot/*|\
arch/x86/entry/vdso/*|\
arch/x86/purgatory/*|\
arch/x86/realmode/*|\
arch/x86/tools/*|\
arch/x86/vdso/*|\
arch/powerpc/kernel/prom_init.o|\
arch/powerpc/kernel/vdso64/*|\
arch/s390/boot/*|\
arch/s390/purgatory/*|\
arch/s390/kernel/vdso64/*|\
drivers/firmware/efi/libstub/*|\
init/version.o|\
init/version-timestamp.o|\
kernel/system_certificates.o|\
lib/*|\
tools/*|\
.*.o|\
*/.lib_exports.o)
break
;;
*.o)
mkdir -p "$KPATCH_GCC_TEMPDIR/orig/$(dirname "$relobj")"
[[ -e "$obj" ]] && cp -f "$obj" "$KPATCH_GCC_TEMPDIR/orig/$relobj"
echo "$relobj" >> "$KPATCH_GCC_TEMPDIR/changed_objs"
break
;;
*)
break
;;
esac
fi
shift
done
elif [[ "$TOOLCHAINCMD" =~ ^(.*-)?ld || "$TOOLCHAINCMD" =~ ^(.*-)?ld.lld ]] ; then
while [ "$#" -gt 0 ]; do
if [ "$1" = "-o" ]; then
obj="$2"
relobj=${obj//$KPATCH_GCC_SRCDIR\//}
case "$obj" in
*.ko)
mkdir -p "$KPATCH_GCC_TEMPDIR/module/$(dirname "$relobj")"
cp -f "$obj" "$KPATCH_GCC_TEMPDIR/module/$relobj"
break
;;
.tmp_vmlinux*|vmlinux)
args+=(--warn-unresolved-symbols)
break
;;
*)
break
;;
esac
fi
shift
done
fi
exec "$TOOLCHAINCMD" "${args[@]}"
|
