Commit b8673d56 authored by Andreas Hindborg's avatar Andreas Hindborg Committed by Miguel Ojeda
Browse files

rust: kbuild: fix export of bss symbols 



Symbols in the bss segment are not currently exported. This is a problem
for Rust modules that link against statics, that are resident in the kernel
image. Thus export symbols in the bss segment.

Fixes: 2f7ab126 ("Kbuild: add Rust support")
Signed-off-by: default avatarAndreas Hindborg <a.hindborg@samsung.com>
Reviewed-by: default avatarAlice Ryhl <aliceryhl@google.com>
Tested-by: default avatarAlice Ryhl <aliceryhl@google.com>
Reviewed-by: default avatarGary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240815074519.2684107-2-nmi@metaspace.dk


[ Reworded slightly. - Miguel ]
Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 47ac09b9

rust/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -305,7 +305,7 @@ $(obj)/bindings/bindings_helpers_generated.rs: $(src)/helpers.c FORCE 
quiet_cmd_exports = EXPORTS $@

      cmd_exports = \

	$(NM) -p --defined-only $< \

		| awk '/ (T|R|D) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@

		| awk '/ (T|R|D|B) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@



$(obj)/exports_core_generated.h: $(obj)/core.o FORCE

	$(call if_changed,exports)