[Minios-devel] [UNIKRAFT PATCH 01/22] include/uk: introduce __weak_alias macro

[Yuri Volchkov <yuri.volchkov@xxxxxxxxx>]

Signed-off-by: Yuri Volchkov <yuri.volchkov@xxxxxxxxx>
---
 include/uk/essentials.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uk/essentials.h b/include/uk/essentials.h
index 3c16e308..dc1d69b0 100644
--- a/include/uk/essentials.h
+++ b/include/uk/essentials.h
@@ -76,6 +76,10 @@ extern "C" {
 #ifndef __align
 #define __align(bytes)         __attribute__((aligned(bytes)))
 #endif
+#ifndef __weak_alias
+#define __weak_alias(old, new) \
+       extern __typeof(old) new __attribute__((weak, alias(#old)))
+#endif
 
 /**
   * Mark a function as constructor
-- 
2.19.2


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