/*      $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
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef TESTS_KERNEL_ARCH_X86_64_EXECREGS_H
#define TESTS_KERNEL_ARCH_X86_64_EXECREGS_H

#include <sys/cdefs.h>

#define NEXECREGS       14

#ifndef _LOCORE

#include <unistd.h>

/*
 * Ordered by _FRAME_REG in sys/arch/amd64/include/frame_regs.h for
 * convenience of auditing.  Must match h_execregs.S.
 */
static const char *const regname[] = {
        "rdi",
        "rsi",
        "rdx",
        "r10",
        "r8",
        "r9",
        /* arg6: syscall arg from stack, not a real register */
        /* arg7: syscall arg from stack, not a real register */
        /* arg8: syscall arg from stack, not a real register */
        /* arg9: syscall arg from stack, not a real register */
        "rcx",
        "r11",
        "r12",
        "r13",
        "r14",
        "r15",
        "rbp",
        /* rbx: ps_strings */
        "rax",
        /* gs/fs/es/ds: segment registers, not really registers */
        /* trapno: not a register */
        /* err: not a register */
        /* rip: instruction pointer */
        /* cs: segment register */
        /* rflags */
        /* rsp: stack pointer */
        /* ss: stack selector */
};

__CTASSERT(NEXECREGS == __arraycount(regname));

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

#endif  /* _LOCORE */

#endif  /* TESTS_KERNEL_ARCH_X86_64_EXECREGS_H */