/*      $NetBSD: linux_exec.h,v 1.7 2024/10/01 16:35:42 riastradh Exp $ */

/*-
* Copyright (c) 2005 Emmanuel Dreyfus, 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Emmanuel Dreyfus
* 4. The name of the author may not be used to endorse or promote
*    products derived from this software without specific prior written
*    permission.
*
* THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR 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 AUTHOR 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 _AMD64_LINUX_EXEC_H
#define _AMD64_LINUX_EXEC_H

#ifndef ELFSIZE
#define ELFSIZE 64
#endif
#include <sys/exec_elf.h>

/* This is only for a.out, and a.out does not support amd64 */
#define LINUX_M_I386            100
#define LINUX_MID_MACHINE       LINUX_M_I386

#define LINUX_USRSTACK          0x800000000000
#define LINUX_USRSTACK32        0xc0000000

/* Counted from linux_exec_machdep.c */
#define LINUX_ELF_AUX_ENTRIES 17

/* Hardware platform identifier string */
#define LINUX_PLATFORM "x86_64"

/* The extra data (ELF auxiliary table and platform name) on stack */
struct linux_extra_stack_data64 {
       Aux64Info ai[LINUX_ELF_AUX_ENTRIES];
       uint32_t randbytes[4];
       char pad[1]; /*sizeof(long) - (sizeof(LINUX_PLATFORM) % sizeof(long))*/
       char hw_platform[sizeof(LINUX_PLATFORM)];
};
#define LINUX_ELF_AUX_ARGSIZ sizeof(struct linux_extra_stack_data64)

/* we have special powerpc ELF copyargs */
#define LINUX_MACHDEP_ELF_COPYARGS

#define LINUX_DEBUGLINK_SIGNATURE
#define LINUX_GO_RT0_SIGNATURE

int linux_exec_setup_stack(struct lwp *, struct exec_package *);

#endif /* !_AMD64_LINUX_EXEC_H */