linux/arch/x86/include/asm/ia32.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_IA32_H
#define _ASM_X86_IA32_H

#ifdef CONFIG_IA32_EMULATION

#include <linux/compat.h>

/*
 * 32 bit structures for IA32 support.
 */

#include <uapi/asm/sigcontext.h>

/* signal.h */

struct ucontext_ia32 { … };

/* This matches struct stat64 in glibc2.2, hence the absolutely
 * insane amounts of padding around dev_t's.
 */
struct stat64 { … } __attribute__((packed));

extern bool __ia32_enabled;

static __always_inline bool ia32_enabled(void)
{ … }

static inline void ia32_disable(void)
{ … }

#else /* !CONFIG_IA32_EMULATION */

static __always_inline bool ia32_enabled(void)
{
	return IS_ENABLED(CONFIG_X86_32);
}

static inline void ia32_disable(void) {}

#endif

static inline bool ia32_enabled_verbose(void)
{ … }

#endif /* _ASM_X86_IA32_H */