Commit b611daae authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: deb-pkg: split image and debug objects staging out into functions 



Prepare for the refactoring in the next commit.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent f50aa51c

scripts/package/builddeb

+116 −106
Original line number Original line Diff line number Diff line
@@ -51,6 +51,115 @@ create_package() { 
	dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..

	dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..

}

}





install_linux_image () {

	pdir=$1

	pname=$2



	rm -rf ${pdir}



	# Only some architectures with OF support have this target

	if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then

		${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install

	fi



	if is_enabled CONFIG_MODULES; then

		${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install

		rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"

		rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source"

		if [ "${SRCARCH}" = um ] ; then

			mkdir -p "${pdir}/usr/lib/uml/modules"

			mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"

		fi

	fi



	# Install the kernel

	if [ "${ARCH}" = um ] ; then

		mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"

		cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"

		cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"

		gzip "${pdir}/usr/share/doc/${pname}/config"

	else

		mkdir -p "${pdir}/boot"

		cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"

		cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"

	fi



	# Not all arches have the same installed path in debian

	# XXX: have each arch Makefile export a variable of the canonical image install

	# path instead

	case "${SRCARCH}" in

	um)

		installed_image_path="usr/bin/linux-${KERNELRELEASE}";;

	parisc|mips|powerpc)

		installed_image_path="boot/vmlinux-${KERNELRELEASE}";;

	*)

		installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;

	esac

	cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"



	# Install the maintainer scripts

	# Note: hook scripts under /etc/kernel are also executed by official Debian

	# kernel packages, as well as kernel packages built using make-kpkg.

	# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and

	# so do we; recent versions of dracut and initramfs-tools will obey this.

	debhookdir=${KDEB_HOOKDIR:-/etc/kernel}

	for script in postinst postrm preinst prerm; do

		mkdir -p "${pdir}${debhookdir}/${script}.d"



		mkdir -p "${pdir}/DEBIAN"

		cat <<-EOF > "${pdir}/DEBIAN/${script}"



		#!/bin/sh



		set -e



		# Pass maintainer script parameters to hook scripts

		export DEB_MAINT_PARAMS="\$*"



		# Tell initramfs builder whether it's wanted

		export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)



		test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d

		exit 0

		EOF

		chmod 755 "${pdir}/DEBIAN/${script}"

	done

}



install_linux_image_dbg () {

	pdir=$1

	image_pdir=$2



	rm -rf ${pdir}



	for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do

		module=lib/modules/${module}

		mkdir -p $(dirname ${pdir}/usr/lib/debug/${module})

		# only keep debug symbols in the debug file

		${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module}

		# strip original module from debug symbols

		${OBJCOPY} --strip-debug ${image_pdir}/${module}

		# then add a link to those

		${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module}

	done



	# re-sign stripped modules

	if is_enabled CONFIG_MODULE_SIG_ALL; then

		${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign

	fi



	# Build debug package

	# Different tools want the image in different locations

	# perf

	mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/

	cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/

	# systemtap

	mkdir -p ${pdir}/usr/lib/debug/boot/

	ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}

	# kdump-tools

	ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}

}



deploy_kernel_headers () {

deploy_kernel_headers () {

	pdir=$1

	pdir=$1
@@ -105,8 +214,6 @@ deploy_libc_headers () { 
}

}





version=$KERNELRELEASE

version=$KERNELRELEASE

tmpdir=debian/linux-image

dbg_dir=debian/linux-image-dbg

packagename=linux-image-$version

packagename=linux-image-$version

dbg_packagename=$packagename-dbg

dbg_packagename=$packagename-dbg
@@ -114,97 +221,7 @@ if [ "$ARCH" = "um" ] ; then 
	packagename=user-mode-linux-$version

	packagename=user-mode-linux-$version

fi

fi





# Not all arches have the same installed path in debian

rm -f debian/files

# XXX: have each arch Makefile export a variable of the canonical image install

# path instead

case $ARCH in

um)

	installed_image_path="usr/bin/linux-$version"

	;;

parisc|mips|powerpc)

	installed_image_path="boot/vmlinux-$version"

	;;

*)

	installed_image_path="boot/vmlinuz-$version"

esac



BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)



# Setup the directory structure

rm -rf "$tmpdir" "$dbg_dir" debian/files

mkdir -m 755 -p "$tmpdir/DEBIAN"

mkdir -p "$tmpdir/lib" "$tmpdir/boot"



# Install the kernel

if [ "$ARCH" = "um" ] ; then

	mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"

	cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"

	cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"

	gzip "$tmpdir/usr/share/doc/$packagename/config"

else

	cp System.map "$tmpdir/boot/System.map-$version"

	cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"

fi

cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"



if is_enabled CONFIG_OF_EARLY_FLATTREE; then

	# Only some architectures with OF support have this target

	if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then

		$MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install

	fi

fi



if is_enabled CONFIG_MODULES; then

	INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install

	rm -f "$tmpdir/lib/modules/$version/build"

	rm -f "$tmpdir/lib/modules/$version/source"

	if [ "$ARCH" = "um" ] ; then

		mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"

		rmdir "$tmpdir/lib/modules/$version"

	fi

	if [ -n "$BUILD_DEBUG" ] ; then

		for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do

			module=lib/modules/$module

			mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)

			# only keep debug symbols in the debug file

			$OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module

			# strip original module from debug symbols

			$OBJCOPY --strip-debug $tmpdir/$module

			# then add a link to those

			$OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module

		done



		# resign stripped modules

		if is_enabled CONFIG_MODULE_SIG_ALL; then

			INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign

		fi

	fi

fi



# Install the maintainer scripts

# Note: hook scripts under /etc/kernel are also executed by official Debian

# kernel packages, as well as kernel packages built using make-kpkg.

# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and

# so do we; recent versions of dracut and initramfs-tools will obey this.

debhookdir=${KDEB_HOOKDIR:-/etc/kernel}

for script in postinst postrm preinst prerm ; do

	mkdir -p "$tmpdir$debhookdir/$script.d"

	cat <<EOF > "$tmpdir/DEBIAN/$script"

#!/bin/sh



set -e



# Pass maintainer script parameters to hook scripts

export DEB_MAINT_PARAMS="\$*"



# Tell initramfs builder whether it's wanted

export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)



test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d

exit 0

EOF

	chmod 755 "$tmpdir/DEBIAN/$script"

done





if [ "$ARCH" != "um" ]; then

if [ "$ARCH" != "um" ]; then

	if is_enabled CONFIG_MODULES; then

	if is_enabled CONFIG_MODULES; then
@@ -216,20 +233,13 @@ if [ "$ARCH" != "um" ]; then 
	create_package linux-libc-dev debian/linux-libc-dev

	create_package linux-libc-dev debian/linux-libc-dev

fi

fi





create_package "$packagename" "$tmpdir"

install_linux_image debian/linux-image "$packagename"





if [ -n "$BUILD_DEBUG" ] ; then

if is_enabled CONFIG_DEBUG_INFO; then

	# Build debug package

	install_linux_image_dbg debian/linux-image-dbg debian/linux-image

	# Different tools want the image in different locations

	create_package "$dbg_packagename" debian/linux-image-dbg

	# perf

	mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/

	cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/

	# systemtap

	mkdir -p $dbg_dir/usr/lib/debug/boot/

	ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version

	# kdump-tools

	ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version

	create_package "$dbg_packagename" "$dbg_dir"

fi

fi





create_package "$packagename" debian/linux-image



exit 0
 
exit 0