Messages in this thread Patch in this message | | | From | Slava Bacherikov <> | Subject | [PATCH v2 bpf] kbuild: fix dependencies for DEBUG_INFO_BTF | Date | Wed, 1 Apr 2020 00:55:37 +0300 |
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Currently turning on DEBUG_INFO_SPLIT when DEBUG_INFO_BTF is also enabled will produce invalid btf file, since gen_btf function in link-vmlinux.sh script doesn't handle *.dwo files.
Enabling DEBUG_INFO_REDUCED will also produce invalid btf file, and using GCC_PLUGIN_RANDSTRUCT with BTF makes no sense.
Signed-off-by: Slava Bacherikov <slava@bacher09.org> Reported-by: Jann Horn <jannh@google.com> Reported-by: Liu Yiding <liuyd.fnst@cn.fujitsu.com> Fixes: e83b9f55448a ("kbuild: add ability to generate BTF type info for vmlinux") --- lib/Kconfig.debug | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f61d834e02fe..9ae288e2a6c0 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -223,6 +223,7 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_BTF bool "Generate BTF typeinfo" depends on DEBUG_INFO + depends on !DEBUG_INFO_SPLIT && !DEBUG_INFO_REDUCED && !GCC_PLUGIN_RANDSTRUCT help Generate deduplicated BTF type information from DWARF debug info. Turning this on expects presence of pahole tool, which will convert -- 2.24.1
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