1 /* $NetBSD: linux_exec.h,v 1.25 2002/11/21 15:20:28 jdolecek 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) + NBPG - 1) & ~(NBPG - 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 proc *, 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 void linux_trapsignal __P((struct proc *, int, u_long)); 130 131 #ifdef EXEC_ELF32 132 int linux_elf32_probe __P((struct proc *, struct exec_package *, void *, 133 char *, vaddr_t *)); 134 int linux_elf32_copyargs __P((struct proc *, struct exec_package *, 135 struct ps_strings *, char **, void *)); 136 #endif 137 #ifdef EXEC_ELF64 138 int linux_elf64_probe __P((struct proc *, struct exec_package *, void *, 139 char *, vaddr_t *)); 140 int linux_elf64_copyargs __P((struct proc *, struct exec_package *, 141 struct ps_strings *, char **, void *)); 142 #endif 143 __END_DECLS 144 #endif /* !_KERNEL */ 145 146 #endif /* !_LINUX_EXEC_H */ 147