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author | Justin Bronder <jsbronder@cold-front.org> | 2019-03-01 00:34:26 -0500 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2019-03-02 16:49:07 +0000 |
commit | a2938316e3bf531ca78d7c9fa5466daa7246a2ab (patch) | |
tree | 95b5184e82f66149384fd6088d7eafec717384cd /meta | |
parent | 3a5a49cad0c903a4d3d77d288514c8e5c15e07af (diff) | |
download | poky-a2938316e3bf531ca78d7c9fa5466daa7246a2ab.tar.gz |
kernel: add objtool to shared workdir when CONFIG_UNWINDER_ORC is set
Based on: https://patchwork.openembedded.org/patch/148047/
When x86_64 enables CONFIG_UNWINDER_ORC [ORC (Oops Rewind Capability)
unwinder for unwinding kernel stack traces], objtool is required to
generate the required information.
If we don't copy objtool to the shared workdir, out-of-tree modules
cannot generate object files.
For instance, meta-skeleton/hello-mod fails with:
| make[3]: *** No rule to make target 'tools/objtool/objtool', needed by ...
(From OE-Core rev: 7d4fdd3b95c949277f77df90bb2e8120b8d167ae)
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta')
-rw-r--r-- | meta/classes/kernel.bbclass | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass index a5b1df1b0d..9da9818962 100644 --- a/meta/classes/kernel.bbclass +++ b/meta/classes/kernel.bbclass | |||
@@ -487,6 +487,15 @@ do_shared_workdir () { | |||
487 | mkdir -p $kerneldir/arch/${ARCH}/include/generated/ | 487 | mkdir -p $kerneldir/arch/${ARCH}/include/generated/ |
488 | cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/ | 488 | cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/ |
489 | fi | 489 | fi |
490 | |||
491 | if (grep -q -i -e '^CONFIG_UNWINDER_ORC=y$' $kerneldir/.config); then | ||
492 | # With CONFIG_UNWINDER_ORC (the default in 4.14), objtool is required for | ||
493 | # out-of-tree modules to be able to generate object files. | ||
494 | if [ -x tools/objtool/objtool ]; then | ||
495 | mkdir -p ${kerneldir}/tools/objtool | ||
496 | cp tools/objtool/objtool ${kerneldir}/tools/objtool/ | ||
497 | fi | ||
498 | fi | ||
490 | } | 499 | } |
491 | 500 | ||
492 | # We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware | 501 | # We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware |