macros.h File Reference

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Macros
#define	MEMBER_SIZE(type, member)   (sizeof(((type *) 0)->member))
#define	WEAK   __attribute((weak))
#define	NORETURN   __attribute__((noreturn))
#define	BOOT_SECTION   __attribute__((section(".boot")))
#define	ARRAY_LENGTH(array)   (sizeof((array)) / sizeof((array)[0]))

Macro Definition Documentation

ARRAY_LENGTH

#define ARRAY_LENGTH

(

array

)

(sizeof((array)) / sizeof((array)[0]))

Returns the number of elements in a statically allocated array. Must not be used on a pointer.

Definition at line 30 of file macros.h.

BOOT_SECTION

#define BOOT_SECTION   __attribute__((section(".boot")))

Places a function in the .boot linker section. Must be placed before the return type in function definitions.

Definition at line 24 of file macros.h.

MEMBER_SIZE

#define MEMBER_SIZE	(		type,
			member
	)		(sizeof(((type *) 0)->member))

Macro for the size of a specific structure field.

Definition at line 6 of file macros.h.

NORETURN

#define NORETURN   __attribute__((noreturn))

Marks a function as non-returning (e.g. loops forever or calls exit). Must be placed before the return type in function definitions.

Definition at line 18 of file macros.h.

WEAK

#define WEAK   __attribute((weak))

Marks a function or variable as a weak symbol, allowing application code to override the default SDK implementation by providing a strong definition.

Definition at line 12 of file macros.h.