linux/arch/x86/include/uapi/asm/auxvec.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_AUXVEC_H
#define _ASM_X86_AUXVEC_H
/*
 * Architecture-neutral AT_ values in 0-17, leave some room
 * for more of them, start the x86-specific ones at 32.
 */
#ifdef __i386__
#define AT_SYSINFO
#endif
#define AT_SYSINFO_EHDR

/* entries in ARCH_DLINFO: */
#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64)
#define AT_VECTOR_SIZE_ARCH
#else /* else it's non-compat x86-64 */
#define AT_VECTOR_SIZE_ARCH
#endif

#endif /* _ASM_X86_AUXVEC_H */