Merge pull request #20350 from medhefgo/boot

Grab bag of sd-boot improvements

src/basic/macro.h

@@ -23,28 +23,12 @@
 #define _packed_ __attribute__((__packed__))
 #define _malloc_ __attribute__((__malloc__))
 #define _weak_ __attribute__((__weak__))
-#define _likely_(x) (__builtin_expect(!!(x), 1))
-#define _unlikely_(x) (__builtin_expect(!!(x), 0))
 #define _public_ __attribute__((__visibility__("default")))
 #define _hidden_ __attribute__((__visibility__("hidden")))
 #define _weakref_(x) __attribute__((__weakref__(#x)))
 #define _alignas_(x) __attribute__((__aligned__(__alignof(x))))
 #define _alignptr_ __attribute__((__aligned__(sizeof(void*))))
 #define _warn_unused_result_ __attribute__((__warn_unused_result__))
-#if __GNUC__ >= 7
-#define _fallthrough_ __attribute__((__fallthrough__))
-#else
-#define _fallthrough_
-#endif
-/* Define C11 noreturn without <stdnoreturn.h> and even on older gcc
- * compiler versions */
-#ifndef _noreturn_
-#if __STDC_VERSION__ >= 201112L
-#define _noreturn_ _Noreturn
-#else
-#define _noreturn_ __attribute__((__noreturn__))
-#endif
-#endif
 
 #if !defined(HAS_FEATURE_MEMORY_SANITIZER)
 #  if defined(__has_feature)
@@ -209,13 +193,6 @@ static inline size_t GREEDY_ALLOC_ROUND_UP(size_t l) {
         return m;
 }
 
-/*
- * STRLEN - return the length of a string literal, minus the trailing NUL byte.
- *          Contrary to strlen(), this is a constant expression.
- * @x: a string literal.
- */
-#define STRLEN(x) (sizeof(""x"") - 1U)
-
 /*
  * container_of - cast a member of a structure out to the containing structure
  * @ptr: the pointer to the member.