Thread (4 messages) 4 messages, 4 authors, 2024-08-21

[PATCH 1/2] rust: fix export of bss symbols

From: Andreas Hindborg <hidden>
Date: 2024-08-15 07:49:37
Also in: linux-block, lkml
Subsystem: rust, the rest · Maintainers: Miguel Ojeda, Linus Torvalds

From: Andreas Hindborg <redacted>

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. This patch enables export of symbols in the bss segment.

Fixes: 2f7ab1267dc9 ("Kbuild: add Rust support")
Signed-off-by: Andreas Hindborg <redacted>
---
 rust/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/rust/Makefile b/rust/Makefile
index 1f10f92737f2..c890ec4b3618 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -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)
-- 
2.46.0


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