[UNIKRAFT PATCH] include: Provide `__unalign` attribute

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

Provide `__unalign` attribute in `<uk/essentials.h>`. It is defined as
byte-alignment.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 include/uk/essentials.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uk/essentials.h b/include/uk/essentials.h
index a6d969e7..6989c970 100644
--- a/include/uk/essentials.h
+++ b/include/uk/essentials.h
@@ -90,6 +90,9 @@ extern "C" {
 #ifndef __align
 #define __align(bytes)         __attribute__((aligned(bytes)))
 #endif
+#ifndef __unalign
+#define __unalign              __align(1)
+#endif
 /* NOTE: weak aliasing does not work well with link-time optimization
  * currently. Hopefully this will be fixed in gcc 9. The problem is,
  * if a weak symbol is referenced in the library, gcc resolves calls
-- 
2.20.1