tools/nolibc: add __nolibc_aligned() and __nolibc_aligned_as()

Provide a convenience macro around __attribute__((aligned)).

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250419-nolibc-ubsan-v2-2-060b8a016917@weissschuh.net

diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h
index e6d6dc116e43aa69b37eca02ed1590fc09486bdb..369cfb5a0e78f4ae1e1a2cac4077024b4e8ba225 100644 (file)
--- a/tools/include/nolibc/compiler.h
+++ b/tools/include/nolibc/compiler.h
@@ -18,6 +18,9 @@
 #  define __nolibc_has_feature(feature) 0
 #endif
 
+#define __nolibc_aligned(alignment) __attribute__((aligned(alignment)))
+#define __nolibc_aligned_as(type) __nolibc_aligned(__alignof__(type))
+
 #if __nolibc_has_attribute(naked)
 #  define __nolibc_entrypoint __attribute__((naked))
 #  define __nolibc_entrypoint_epilogue()