71f0207ace
run copy_to_target_sysroot after do_package_write_tar either Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
181 lines
8.2 KiB
Plaintext
181 lines
8.2 KiB
Plaintext
#------------------------------------------------------------------------------
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# class for instant remote debugging by building a debug sysroot
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#
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# It adresses a use case seen umptenth times: After creating or changing a
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# recipe, the build result crashes on target e.g with segfault or without
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# dropping helpful information. In these situations one wants to debug NOW
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# without further waiting or quirky activities.
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#
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# To achieve, a debug sysroot is build with low cost:
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#
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# * All files are hard-linked to recipe's ${WORKDIR}/package
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# * Additional build time for task do_copy_to_target_sysroot for most recipes is < 1s
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#
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# to enable debug sysroot build set:
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# 'INHERIT += "instant-sysroot-target"'
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# in your local.conf
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#
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# to debug by remote do:
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#
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# ON TARGET:
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# * install gdbserver (build automatically for images if this class enabled - see
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# EXTRA_IMAGEDEPENDS below)
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# * open a shell and enter 'gdbserver :<IP-Port> <full path of executable with optional args>' e.g
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# 'gdbserver :5000 /usr/bin/thunar'
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#
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# ON BUILD HOST (suggested IDE: QtCreator)
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# * 'bitbake gdb-cross-<TARGET_ARCH>' (done automatically on images if this class
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# is enabled - see EXTRA_IMAGEDEPENDS below)
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# * 'bitbake qtcreator-sdk-prepare' once to create a valid qt.conf for qmake
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# * in QtCreator select Menu Debug/Start Debugging/Attach to Running Debug Server
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# -> Dialog 'Start Debugger' opens
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# * At the first session a so called 'Kit' has to be set up (1st line -> 'Manage').
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# The settings are kept so 1.- 8. have to be done once only.
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# 1. Create a Kit by 'Add' -> further dialog opens
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# 2. Select an name for the Kit e.g 'OE'
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# 3. On recent QtCreators select 'Generic Linux Device' for 'Device type' -
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# otherwise QtCreator won't let you select the kit later
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# 4. Set sysroot (see INSTANT_TARGET_PATH in instant-path.bbclass):
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# ${TMPDIR}/sysroot-instant-target-${MACHINE_ARCH}
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# 5. Select compilers (it is not necessary for debug but without QTCreator won't enable Kit) for C and C++ e.g:
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# C: '${TMPDIR}/sysroot-instant-native/usr/bin/arm-mortsgna-linux-gnueabi/arm-mortsgna-linux-gnueabi-gcc'
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# C++: '${TMPDIR}/sysroot-instant-native/usr/bin/arm-mortsgna-linux-gnueabi/arm-mortsgna-linux-gnueabi-g++'
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# 6. Select debugger e.g:
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# GDB: '${TMPDIR}/sysroot-instant-native/usr/bin/arm-mortsgna-linux-gnueabi/arm-mortsgna-linux-gnueabi-gdb'
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# 7. To avoid qtcreator stopping on certain signals Select 'Debugger' in left list and in
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# * 'GDB'-tab unselect 'Show a message box when reciving a signal'
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# * 'Locals & Expressions' add in 'Debugging Helper Customization' lines as
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# 'handle SIG32 pass nostop noprint' to pass SIG32 to application without
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# running int breaks
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# 8. Select 'OK' in Options dialog -> 'Start Debugger' should be back on top
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# * Make sure 'OE' Kit is selected
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# * Browse for executable e.g '${TMPDIR}/sysroot-instant-target-${MACHINE_ARCH}/usr/bin/thunar'
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# * Set IP:Port of target machine e.g '192.168.2.108:5000'
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# * Select 'OK'
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#
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# Happy debugging!!
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#
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#------------------------------------------------------------------------------
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inherit utils instant-paths
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# ensure necessary gdb recipes are build
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EXTRA_IMAGEDEPENDS += "gdb-cross-${TARGET_ARCH} gdb"
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python __anonymous () {
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if d.getVar('CLASSOVERRIDE') != 'class-target':
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bb.build.deltask('do_copy_to_target_sysroot', d)
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}
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INSTANT_MANIFEST = "${INSTANT_TARGET_PATH}/manifests/${PN}"
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do_copy_to_target_sysroot() {
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# ---------- bail out on package-less recipes ----------
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if [ ! -d "${WORKDIR}/packages-split" -o ! -d ${WORKDIR}/package ]; then
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exit 0
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fi
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# ---------- remove old sources ----------
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rm -rf ${INSTANT_TARGET_PATH}/usr/src/debug/${PN}
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# ---------- remove old files in manifest and manifest ----------
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if [ -f ${INSTANT_MANIFEST} ] ; then
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echo "Old manifest ${INSTANT_MANIFEST} found - remove files..."
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# remove old files from sysroot
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for file in `cat ${INSTANT_MANIFEST}` ; do
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if ! rm "${INSTANT_TARGET_PATH}/$file" 2> /dev/null; then
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echo "Tried to delete '${INSTANT_TARGET_PATH}/$file' but it is not there! A look into mainfest creation at '${INSTANT_MANIFEST}' might help."
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fi
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done
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# remove old manifest
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rm ${INSTANT_MANIFEST}
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fi
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# ---------- hard link source code files ----------
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if [ -d ${WORKDIR}/package/usr/src/debug/${PN} ] ; then
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mkdir -p ${INSTANT_TARGET_PATH}/usr/src/debug/${PN}
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hardlinkdir ${WORKDIR}/package/usr/src/debug/${PN} ${INSTANT_TARGET_PATH}/usr/src/debug/${PN}
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fi
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# ---------- names of binaries and debuginfo -> manifest ----------
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mkdir -p ${INSTANT_TARGET_PATH}/manifests
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# get path to library-link once only
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if [ "${PN}" = "glibc-locale" ] ; then
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PACK_SPLIT_LIB_LINK_SEARCH_PATH=`find ${WORKDIR}/packages-split -mindepth 1 -maxdepth 1 -type d ! -name '*-dbg' ! -name '*-dev' ! -name '*-staticdev' ! -name '*-doc' ! -name 'glibc*-localedata-*' ! -name 'glibc-charmap-*' ! -name 'locale-base-*'`
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# other specials go here
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# elif...
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else
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PACK_SPLIT_LIB_LINK_SEARCH_PATH=`find ${WORKDIR}/packages-split -mindepth 1 -maxdepth 1 -type d ! -name '*-dbg' ! -name '*-dev' ! -name '*-staticdev' ! -name '*-doc' ! -name '${PN}*-locale-*'`
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fi
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echo "Search so-links in:"
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echo "$PACK_SPLIT_LIB_LINK_SEARCH_PATH"
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echo
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# add new
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for pkgdbg in `find ${WORKDIR}/packages-split -mindepth 1 -maxdepth 1 -type d -name '*-dbg'` ; do
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debug_binaries=
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# Note: hardcoding is used in package.bbclass either (search for PACKAGE_DEBUG_SPLIT_STYLE)
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if [ "${PACKAGE_DEBUG_SPLIT_STYLE}" = "debug-file-directory" ] ; then
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if [ -d $pkgdbg/usr/lib/debug ] ; then
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debug_binaries=`find $pkgdbg/usr/lib/debug -name '*.debug'`
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fi
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else
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debug_binaries=`find $pkgdbg -wholename '*.debug/*'`
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fi
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for file in $debug_binaries; do
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# do 'root' path
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file=`echo $file | sed -e 's:'$pkgdbg'::'`
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# stripped binary (non debug)
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if [ "${PACKAGE_DEBUG_SPLIT_STYLE}" = "debug-file-directory" ] ; then
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filestripped=`echo $file | sed -e 's:/usr/lib/debug::' -e 's:\.debug::'`
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else
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filestripped=`echo $file | sed -e 's:\.debug/::'`
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fi
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# keep files in manifest
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echo $file >> ${INSTANT_MANIFEST}
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echo $filestripped >> ${INSTANT_MANIFEST}
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# check for so-file links
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if echo $filestripped | grep -q '\.so'; then
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soname=`basename $filestripped`
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for packsplit in $PACK_SPLIT_LIB_LINK_SEARCH_PATH; do
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for link in `find $packsplit -lname $soname` ; do
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# do 'root' path
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link=`echo $link | sed -e 's:'$packsplit'::'`
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echo $link >> ${INSTANT_MANIFEST}
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done
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done
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fi
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done
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done
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# ---------- get -dev/-mkspecs packet contents -> manifest ----------
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for package in "${PN}-dev" "${PN}-mkspecs" ; do
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if [ -d ${WORKDIR}/packages-split/$package ]; then
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echo "Add files from ${WORKDIR}/packages-split/$package to manifest..."
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for file in `find ${WORKDIR}/packages-split/$package -type f` ; do
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# do 'root' path
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file=`echo $file | sed -e 's:${WORKDIR}/packages-split/'$package'::'`
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echo $file >> ${INSTANT_MANIFEST}
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done
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fi
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done
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# ---------- manifest: do the hardlinks (optimization welcome..) ----------
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if [ -f ${INSTANT_MANIFEST} ] ; then
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echo "Create hardlinks from manifest ${INSTANT_MANIFEST}..."
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cd ${WORKDIR}/package
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for file in `cat ${INSTANT_MANIFEST}` ; do
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file=`echo $file | cut -c 2-`
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if [ -e $file ] ; then
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echo -n $file | cpio --null -pdlu ${INSTANT_TARGET_PATH} > /dev/null 2>&1
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fi
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done
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fi
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}
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addtask copy_to_target_sysroot after do_package_write_deb do_package_write_ipk do_package_write_rpm do_package_write_tar
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do_copy_to_target_sysroot[stamp-extra-info] = "${MACHINE_ARCH}"
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do_build[recrdeptask] += "do_copy_to_target_sysroot"
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