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linux_exec.h revision 1.12 
      1 /*	$NetBSD: linux_exec.h,v 1.12 1998/12/15 19:31:39 itohy Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _LINUX_EXEC_H
     40 #define _LINUX_EXEC_H
     41 
     42 #if defined(__i386__)
     43 #include <compat/linux/arch/i386/linux_exec.h>
     44 #elif defined(__m68k__)
     45 #include <compat/linux/arch/m68k/linux_exec.h>
     46 #elif defined(__alpha__)
     47 #include <compat/linux/arch/alpha/linux_exec.h>
     48 #else
     49 #error Undefined linux_exec.h machine type.
     50 #endif
     51 
     52 
     53 /* Defines for a.out executables */
     54 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
     55 
     56 #define LINUX_N_MAGIC(ep)    ((ep)->a_midmag & 0xffff)
     57 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
     58 
     59 #define LINUX_N_TXTOFF(x,m) \
     60  ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
     61 
     62 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
     63 
     64 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
     65 
     66 #define LINUX__N_SEGMENT_ROUND(x) (((x) + NBPG - 1) & ~(NBPG - 1))
     67 
     68 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
     69 
     70 #define LINUX_N_DATADDR(x,m) \
     71     ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
     72      : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
     73 
     74 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
     75 
     76 #ifdef _KERNEL
     77 __BEGIN_DECLS
     78 void linux_setregs __P((struct proc *, struct exec_package *, u_long));
     79 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *));
     80 
     81 #ifdef EXEC_ELF32
     82 int linux_elf32_probe __P((struct proc *, struct exec_package *, Elf32_Ehdr *,
     83     char *, Elf32_Addr *));
     84 #endif
     85 #ifdef EXEC_ELF64
     86 int linux_elf64_probe __P((struct proc *, struct exec_package *, Elf64_Ehdr *,
     87     char *, Elf64_Addr *));
     88 #endif
     89 __END_DECLS
     90 #endif /* !_KERNEL */
     91 
     92 #endif /* !_LINUX_EXEC_H */
     93