xref: /src/tests/kernel/arch/i386/execregs.h

/*	$NetBSD: execregs.h,v 1.1 2025/02/27 00:55:32 riastradh Exp $	*/

/*-
 * Copyright (c) 2025 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#ifndef	TESTS_KERNEL_ARCH_I386_EXECREGS_H
#define	TESTS_KERNEL_ARCH_I386_EXECREGS_H

#include <sys/cdefs.h>

#define	NEXECREGS	6

#ifndef _LOCORE

#include <unistd.h>

/*
 * Ordered by struct trapframe in sys/arch/i386/include/frame.h for
 * convenience of auditing.  Must match h_execregs.S.
 */
static const char *const regname[] = {
	/* gs/fs/es/ds: segment registers, not really registers */
	"edi",
	"esi",
	"ebp",
	/* ebx: ps_strings */
	"edx",
	"ecx",
	"eax",
	/* trapno: not a register */
	/* err: not a register */
	/* eip: instruction pointer */
	/* cs: segment register */
	/* eflags */
	/* esp: stack pointer */
	/* ss: stack selector */
};

__CTASSERT(NEXECREGS == __arraycount(regname));

int	execregschild(char *);
pid_t	spawnregschild(char *, int);

#endif	/* _LOCORE */

#endif	/* TESTS_KERNEL_ARCH_I386_EXECREGS_H */