kbuild: split the build log of kallsyms

	printf '\1' | dd of=${2} conv=notrunc bs=1 seek=16 status=none

}

# Create ${2} .o file with all symbols from the ${1} object file

# Create ${2} .S file with all symbols from the ${1} object file

kallsyms()

{

	info KSYM ${2}

	local kallsymopt;

	if [ -n "${CONFIG_KALLSYMS_ALL}" ]; then

		kallsymopt="${kallsymopt} --base-relative"

	fi

	local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL}               \

		      ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"

	local afile="`basename ${2} .o`.S"

	${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${afile}

	${CC} ${aflags} -c -o ${2} ${afile}

	info KSYMS ${2}

	${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${2}

}

# Perform one step in kallsyms generation, including temporary linking of

	kallsymso_prev=${kallsymso}

	kallsyms_vmlinux=.tmp_vmlinux.kallsyms${1}

	kallsymso=${kallsyms_vmlinux}.o

	kallsyms_S=${kallsyms_vmlinux}.S

	vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o}

	kallsyms ${kallsyms_vmlinux} ${kallsymso}

	kallsyms ${kallsyms_vmlinux} ${kallsyms_S}

	info AS ${kallsyms_S}

	${CC} ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS} \

	      ${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \

	      -c -o ${kallsymso} ${kallsyms_S}

}

# Create map file with all symbols from ${1}