1 /* $NetBSD: linux_exec.h,v 1.18 2002/01/14 23:14:42 bjh21 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 #else 55 #error Undefined linux_exec.h machine type. 56 #endif 57 58 59 /* Defines for a.out executables */ 60 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec)) 61 #define LINUX_AOUT_AUX_ARGSIZ 2 62 63 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff) 64 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff) 65 66 #define LINUX_N_TXTOFF(x,m) \ 67 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec))) 68 69 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text) 70 71 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0) 72 73 #define LINUX__N_SEGMENT_ROUND(x) (((x) + NBPG - 1) & ~(NBPG - 1)) 74 75 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text) 76 77 #define LINUX_N_DATADDR(x,m) \ 78 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \ 79 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m)))) 80 81 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data) 82 83 /* 84 * From Linux's include/linux/elf.h 85 */ 86 #define LINUX_AT_UID 11 /* real uid */ 87 #define LINUX_AT_EUID 12 /* effective uid */ 88 #define LINUX_AT_GID 13 /* real gid */ 89 #define LINUX_AT_EGID 14 /* effective gid */ 90 #define LINUX_AT_PLATFORM 15 /* string identifying CPU for optimizations */ 91 #define LINUX_AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ 92 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */ 93 94 #ifdef _KERNEL 95 __BEGIN_DECLS 96 extern const struct emul emul_linux; 97 98 void linux_setregs __P((struct proc *, struct exec_package *, u_long)); 99 int exec_linux_aout_makecmds __P((struct proc *, struct exec_package *)); 100 int linux_aout_copyargs __P((struct exec_package *, struct ps_strings *, 101 char **, void *)); 102 void linux_trapsignal __P((struct proc *, int, u_long)); 103 104 #ifdef EXEC_ELF32 105 int linux_elf32_probe __P((struct proc *, struct exec_package *, void *, 106 char *, vaddr_t *)); 107 #endif 108 #ifdef EXEC_ELF64 109 int linux_elf64_probe __P((struct proc *, struct exec_package *, void *, 110 char *, vaddr_t *)); 111 #endif 112 __END_DECLS 113 #endif /* !_KERNEL */ 114 115 #endif /* !_LINUX_EXEC_H */ 116