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      1 /*	$NetBSD: linux_exec.h,v 1.7 2024/10/01 16:35:42 riastradh Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Emmanuel Dreyfus
     17  * 4. The name of the author may not be used to endorse or promote
     18  *    products derived from this software without specific prior written
     19  *    permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
     22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _AMD64_LINUX_EXEC_H
     35 #define _AMD64_LINUX_EXEC_H
     36 
     37 #ifndef ELFSIZE
     38 #define ELFSIZE 64
     39 #endif
     40 #include <sys/exec_elf.h>
     41 
     42 /* This is only for a.out, and a.out does not support amd64 */
     43 #define LINUX_M_I386            100
     44 #define LINUX_MID_MACHINE       LINUX_M_I386
     45 
     46 #define LINUX_USRSTACK		0x800000000000
     47 #define LINUX_USRSTACK32	0xc0000000
     48 
     49 /* Counted from linux_exec_machdep.c */
     50 #define LINUX_ELF_AUX_ENTRIES 17
     51 
     52 /* Hardware platform identifier string */
     53 #define LINUX_PLATFORM "x86_64"
     54 
     55 /* The extra data (ELF auxiliary table and platform name) on stack */
     56 struct linux_extra_stack_data64 {
     57 	Aux64Info ai[LINUX_ELF_AUX_ENTRIES];
     58 	uint32_t randbytes[4];
     59 	char pad[1]; /*sizeof(long) - (sizeof(LINUX_PLATFORM) % sizeof(long))*/
     60 	char hw_platform[sizeof(LINUX_PLATFORM)];
     61 };
     62 #define LINUX_ELF_AUX_ARGSIZ sizeof(struct linux_extra_stack_data64)
     63 
     64 /* we have special powerpc ELF copyargs */
     65 #define LINUX_MACHDEP_ELF_COPYARGS
     66 
     67 #define LINUX_DEBUGLINK_SIGNATURE
     68 #define LINUX_GO_RT0_SIGNATURE
     69 
     70 int linux_exec_setup_stack(struct lwp *, struct exec_package *);
     71 
     72 #endif /* !_AMD64_LINUX_EXEC_H */
     73