include/linux/ranges.h

#ifndef _LINUX_RANGES_H
#define _LINUX_RANGES_H

#include <linux/sections.h>

/* Linker tables shalt not use this */
#define SECTION_ADDR_IN_RANGE(name, addr)				\
	 (addr >= (unsigned long) LINUX_SECTION_START(name) &&		\
          addr <  (unsigned long) LINUX_SECTION_END(name))

#define DECLARE_SECTION_RANGE(name)					\
	DECLARE_LINUX_SECTION_RO(char, name)

#define SECTION_RANGE_BEGIN(name, __section)				\
	const __typeof__(name[0])					\
	      __attribute__((used,					\
			     weak,					\
			     __aligned__(LINUX_SECTION_ALIGNMENT(name)),\
			     section(SECTION_TBL(__section, name, ))))

#define SECTION_RANGE_END(name, __section)				\
	const __typeof__(name[0])					\
	      __attribute__((used,					\
			     __aligned__(LINUX_SECTION_ALIGNMENT(name)),\
			     section(SECTION_TBL(__section, name, ~))))

#define DEFINE_SECTION_RANGE(name, section)				\
	DECLARE_LINUX_SECTION_RO(char, name);				\
	SECTION_RANGE_BEGIN(name, section) VMLINUX_SYMBOL(name)[0] = {};\
	LTO_REFERENCE_INITCALL(name);					\
	SECTION_RANGE_END(name, section) VMLINUX_SYMBOL(name##__end)[0] = {};\
	LTO_REFERENCE_INITCALL(name##__end);

/*
 * We use the special "any" order, as section ranges need not care
 * about that.
 */
#define SECTION_RANGE_ORDER	any
#define __LINUX_SECTION(section, name)					\
	__attribute__((__section__(SECTION_TBL(section, name, SECTION_RANGE_ORDER))))

#endif /* _LINUX_RANGES_H */