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kbuild: deb-pkg: split image and debug objects staging out into functions
Prepare for the refactoring in the next commit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada
parent
f50aa51c44
commit
b611daae5e
1 changed files with 116 additions and 106 deletions
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@ -51,6 +51,115 @@ create_package() {
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dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
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}
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install_linux_image () {
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pdir=$1
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pname=$2
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rm -rf ${pdir}
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# Only some architectures with OF support have this target
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if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
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${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
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fi
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if is_enabled CONFIG_MODULES; then
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${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install
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rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
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rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source"
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if [ "${SRCARCH}" = um ] ; then
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mkdir -p "${pdir}/usr/lib/uml/modules"
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mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
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fi
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fi
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# Install the kernel
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if [ "${ARCH}" = um ] ; then
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mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
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cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
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cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
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gzip "${pdir}/usr/share/doc/${pname}/config"
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else
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mkdir -p "${pdir}/boot"
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cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
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cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
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fi
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# Not all arches have the same installed path in debian
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# XXX: have each arch Makefile export a variable of the canonical image install
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# path instead
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case "${SRCARCH}" in
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um)
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installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
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parisc|mips|powerpc)
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installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
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*)
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installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
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esac
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cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
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# Install the maintainer scripts
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# Note: hook scripts under /etc/kernel are also executed by official Debian
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# kernel packages, as well as kernel packages built using make-kpkg.
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# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
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# so do we; recent versions of dracut and initramfs-tools will obey this.
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debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
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for script in postinst postrm preinst prerm; do
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mkdir -p "${pdir}${debhookdir}/${script}.d"
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mkdir -p "${pdir}/DEBIAN"
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cat <<-EOF > "${pdir}/DEBIAN/${script}"
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#!/bin/sh
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set -e
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# Pass maintainer script parameters to hook scripts
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export DEB_MAINT_PARAMS="\$*"
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# Tell initramfs builder whether it's wanted
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export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
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test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
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exit 0
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EOF
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chmod 755 "${pdir}/DEBIAN/${script}"
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done
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}
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install_linux_image_dbg () {
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pdir=$1
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image_pdir=$2
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rm -rf ${pdir}
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for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do
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module=lib/modules/${module}
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mkdir -p $(dirname ${pdir}/usr/lib/debug/${module})
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# only keep debug symbols in the debug file
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${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module}
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# strip original module from debug symbols
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${OBJCOPY} --strip-debug ${image_pdir}/${module}
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# then add a link to those
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${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module}
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done
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# re-sign stripped modules
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if is_enabled CONFIG_MODULE_SIG_ALL; then
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${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign
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fi
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# Build debug package
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# Different tools want the image in different locations
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# perf
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mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
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cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
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# systemtap
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mkdir -p ${pdir}/usr/lib/debug/boot/
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ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
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# kdump-tools
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ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
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}
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deploy_kernel_headers () {
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pdir=$1
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@ -105,8 +214,6 @@ deploy_libc_headers () {
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}
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version=$KERNELRELEASE
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tmpdir=debian/linux-image
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dbg_dir=debian/linux-image-dbg
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packagename=linux-image-$version
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dbg_packagename=$packagename-dbg
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@ -114,97 +221,7 @@ if [ "$ARCH" = "um" ] ; then
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packagename=user-mode-linux-$version
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fi
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# Not all arches have the same installed path in debian
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# XXX: have each arch Makefile export a variable of the canonical image install
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# path instead
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case $ARCH in
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um)
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installed_image_path="usr/bin/linux-$version"
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;;
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parisc|mips|powerpc)
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installed_image_path="boot/vmlinux-$version"
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;;
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*)
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installed_image_path="boot/vmlinuz-$version"
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esac
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BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
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# Setup the directory structure
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rm -rf "$tmpdir" "$dbg_dir" debian/files
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mkdir -m 755 -p "$tmpdir/DEBIAN"
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mkdir -p "$tmpdir/lib" "$tmpdir/boot"
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# Install the kernel
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if [ "$ARCH" = "um" ] ; then
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mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
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cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
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cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
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gzip "$tmpdir/usr/share/doc/$packagename/config"
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else
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cp System.map "$tmpdir/boot/System.map-$version"
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cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
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fi
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cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
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if is_enabled CONFIG_OF_EARLY_FLATTREE; then
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# Only some architectures with OF support have this target
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if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
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$MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
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fi
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fi
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if is_enabled CONFIG_MODULES; then
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INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install
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rm -f "$tmpdir/lib/modules/$version/build"
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rm -f "$tmpdir/lib/modules/$version/source"
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if [ "$ARCH" = "um" ] ; then
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mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
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rmdir "$tmpdir/lib/modules/$version"
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fi
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if [ -n "$BUILD_DEBUG" ] ; then
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for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
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module=lib/modules/$module
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mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
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# only keep debug symbols in the debug file
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$OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
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# strip original module from debug symbols
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$OBJCOPY --strip-debug $tmpdir/$module
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# then add a link to those
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$OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
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done
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# resign stripped modules
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if is_enabled CONFIG_MODULE_SIG_ALL; then
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INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign
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fi
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fi
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fi
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# Install the maintainer scripts
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# Note: hook scripts under /etc/kernel are also executed by official Debian
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# kernel packages, as well as kernel packages built using make-kpkg.
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# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
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# so do we; recent versions of dracut and initramfs-tools will obey this.
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debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
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for script in postinst postrm preinst prerm ; do
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mkdir -p "$tmpdir$debhookdir/$script.d"
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cat <<EOF > "$tmpdir/DEBIAN/$script"
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#!/bin/sh
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set -e
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# Pass maintainer script parameters to hook scripts
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export DEB_MAINT_PARAMS="\$*"
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# Tell initramfs builder whether it's wanted
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export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
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test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
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exit 0
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EOF
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chmod 755 "$tmpdir/DEBIAN/$script"
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done
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rm -f debian/files
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if [ "$ARCH" != "um" ]; then
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if is_enabled CONFIG_MODULES; then
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@ -216,20 +233,13 @@ if [ "$ARCH" != "um" ]; then
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create_package linux-libc-dev debian/linux-libc-dev
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fi
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create_package "$packagename" "$tmpdir"
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install_linux_image debian/linux-image "$packagename"
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if [ -n "$BUILD_DEBUG" ] ; then
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# Build debug package
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# Different tools want the image in different locations
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# perf
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mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
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cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
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# systemtap
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mkdir -p $dbg_dir/usr/lib/debug/boot/
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ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
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# kdump-tools
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ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
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create_package "$dbg_packagename" "$dbg_dir"
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if is_enabled CONFIG_DEBUG_INFO; then
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install_linux_image_dbg debian/linux-image-dbg debian/linux-image
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create_package "$dbg_packagename" debian/linux-image-dbg
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fi
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create_package "$packagename" debian/linux-image
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exit 0
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