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linux_exec.h revision 1.30
      1 /*	$NetBSD: linux_exec.h,v 1.30 2003/09/06 22:09:22 christos 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 #elif defined(__powerpc__)
     49 #include <compat/linux/arch/powerpc/linux_exec.h>
     50 #elif defined(__mips__)
     51 #include <compat/linux/arch/mips/linux_exec.h>
     52 #elif defined(__arm__)
     53 #include <compat/linux/arch/arm/linux_exec.h>
     54 #endif
     55 
     56 
     57 /* Defines for a.out executables */
     58 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec))
     59 #define	LINUX_AOUT_AUX_ARGSIZ	2
     60 
     61 #define LINUX_N_MAGIC(ep)    ((ep)->a_midmag & 0xffff)
     62 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff)
     63 
     64 #define LINUX_N_TXTOFF(x,m) \
     65  ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec)))
     66 
     67 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text)
     68 
     69 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0)
     70 
     71 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
     72 
     73 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text)
     74 
     75 #define LINUX_N_DATADDR(x,m) \
     76     ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \
     77      : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m))))
     78 
     79 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data)
     80 
     81 #ifndef LINUX_MACHDEP_ELF_COPYARGS
     82 #define LINUX_ELF_AUX_ENTRIES	13	/* we push 13 parameters */
     83 #endif
     84 
     85 /*
     86  * From Linux's include/linux/elf.h
     87  */
     88 #define LINUX_AT_UID		11	/* real uid */
     89 #define LINUX_AT_EUID		12	/* effective uid */
     90 #define LINUX_AT_GID		13	/* real gid */
     91 #define LINUX_AT_EGID		14	/* effective gid */
     92 #define LINUX_AT_PLATFORM	15	/* CPU string for optimizations */
     93 #define LINUX_AT_HWCAP		16	/* arch dependent CPU capabilities */
     94 #define LINUX_AT_CLKTCK		17	/* frequency times() increments */
     95 
     96 /*
     97  * Emulation specific sysctls.
     98  */
     99 #define EMUL_LINUX_KERN			1
    100 #define EMUL_LINUX_MAXID		2
    101 
    102 #define EMUL_LINUX_NAMES { \
    103 	{ 0, 0 }, \
    104 	{ "kern", CTLTYPE_NODE }, \
    105 }
    106 
    107 #define EMUL_LINUX_KERN_OSTYPE		1
    108 #define EMUL_LINUX_KERN_OSRELEASE	2
    109 #define EMUL_LINUX_KERN_VERSION		3
    110 #define EMUL_LINUX_KERN_MAXID		4
    111 
    112 #define EMUL_LINUX_KERN_NAMES { \
    113 	{ 0, 0 }, \
    114 	{ "ostype", CTLTYPE_STRING }, \
    115 	{ "osrelease", CTLTYPE_STRING }, \
    116 	{ "osversion", CTLTYPE_STRING }, \
    117 }
    118 
    119 #ifdef _KERNEL
    120 __BEGIN_DECLS
    121 extern const struct emul emul_linux;
    122 
    123 int linux_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
    124     struct proc *));
    125 void linux_setregs __P((struct lwp *, struct exec_package *, u_long));
    126 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *));
    127 int linux_aout_copyargs __P((struct proc *, struct exec_package *,
    128     struct ps_strings *, char **, void *));
    129 #ifdef __HAVE_SIGINFO
    130 void linux_trapsignal __P((struct lwp *, ksiginfo_t *));
    131 #else
    132 void linux_trapsignal __P((struct lwp *, int, u_long));
    133 #endif
    134 
    135 #ifdef EXEC_ELF32
    136 int linux_elf32_probe __P((struct proc *, struct exec_package *, void *,
    137     char *, vaddr_t *));
    138 int linux_elf32_copyargs __P((struct proc *, struct exec_package *,
    139     struct ps_strings *, char **, void *));
    140 #endif
    141 #ifdef EXEC_ELF64
    142 int linux_elf64_probe __P((struct proc *, struct exec_package *, void *,
    143     char *, vaddr_t *));
    144 int linux_elf64_copyargs __P((struct proc *, struct exec_package *,
    145     struct ps_strings *, char **, void *));
    146 #endif
    147 __END_DECLS
    148 #endif /* !_KERNEL */
    149 
    150 #endif /* !_LINUX_EXEC_H */
    151