linux/arch/x86/include/asm/runtime-const.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_RUNTIME_CONST_H
#define _ASM_RUNTIME_CONST_H

#define runtime_const_ptr(sym) …

// The 'typeof' will create at _least_ a 32-bit type, but
// will happily also take a bigger type and the 'shrl' will
// clear the upper bits
#define runtime_const_shift_right_32(val, sym) …

#define runtime_const_init(type, sym) …

/*
 * The text patching is trivial - you can only do this at init time,
 * when the text section hasn't been marked RO, and before the text
 * has ever been executed.
 */
static inline void __runtime_fixup_ptr(void *where, unsigned long val)
{ … }

static inline void __runtime_fixup_shift(void *where, unsigned long val)
{ … }

static inline void runtime_const_fixup(void (*fn)(void *, unsigned long),
	unsigned long val, s32 *start, s32 *end)
{ … }

#endif