1 /* $NetBSD: linux_exec.h,v 1.42 2007/12/04 18:40:15 dsl 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(EXEC_ELF32) || defined(EXEC_ELF64) 43 #include <sys/exec_elf.h> 44 #endif 45 46 #if defined(__i386__) 47 #include <compat/linux/arch/i386/linux_exec.h> 48 #elif defined(__m68k__) 49 #include <compat/linux/arch/m68k/linux_exec.h> 50 #elif defined(__alpha__) 51 #include <compat/linux/arch/alpha/linux_exec.h> 52 #elif defined(__powerpc__) 53 #include <compat/linux/arch/powerpc/linux_exec.h> 54 #elif defined(__mips__) 55 #include <compat/linux/arch/mips/linux_exec.h> 56 #elif defined(__arm__) 57 #include <compat/linux/arch/arm/linux_exec.h> 58 #elif defined(__amd64__) 59 #include <compat/linux/arch/amd64/linux_exec.h> 60 #endif 61 62 63 /* Defines for a.out executables */ 64 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec)) 65 #define LINUX_AOUT_AUX_ARGSIZ 2 66 67 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff) 68 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff) 69 70 #define LINUX_N_TXTOFF(x,m) \ 71 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec))) 72 73 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text) 74 75 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0) 76 77 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) 78 79 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text) 80 81 #define LINUX_N_DATADDR(x,m) \ 82 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \ 83 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m)))) 84 85 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data) 86 87 #ifndef LINUX_MACHDEP_ELF_COPYARGS 88 #define LINUX_ELF_AUX_ENTRIES 13 /* we push 13 parameters */ 89 #endif 90 91 /* 92 * From Linux's include/linux/elf.h 93 */ 94 #define LINUX_AT_UID 11 /* real uid */ 95 #define LINUX_AT_EUID 12 /* effective uid */ 96 #define LINUX_AT_GID 13 /* real gid */ 97 #define LINUX_AT_EGID 14 /* effective gid */ 98 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */ 99 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */ 100 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */ 101 #define LINUX_AT_SECURE 23 /* secure mode boolean */ 102 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */ 103 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */ 104 105 /* 106 * Emulation specific sysctls. 107 */ 108 #define EMUL_LINUX_KERN 1 109 #define EMUL_LINUX_MAXID 2 110 111 #define EMUL_LINUX_NAMES { \ 112 { 0, 0 }, \ 113 { "kern", CTLTYPE_NODE }, \ 114 } 115 116 #define EMUL_LINUX_KERN_OSTYPE 1 117 #define EMUL_LINUX_KERN_OSRELEASE 2 118 #define EMUL_LINUX_KERN_VERSION 3 119 #define EMUL_LINUX_KERN_MAXID 4 120 121 #define EMUL_LINUX_KERN_NAMES { \ 122 { 0, 0 }, \ 123 { "ostype", CTLTYPE_STRING }, \ 124 { "osrelease", CTLTYPE_STRING }, \ 125 { "osversion", CTLTYPE_STRING }, \ 126 } 127 128 #ifdef _KERNEL 129 __BEGIN_DECLS 130 extern const struct emul emul_linux; 131 132 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t, 133 struct lwp *); 134 void linux_setregs(struct lwp *, struct exec_package *, u_long); 135 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *); 136 int linux_aout_copyargs(struct lwp *, struct exec_package *, 137 struct ps_strings *, char **, void *); 138 void linux_trapsignal(struct lwp *, ksiginfo_t *); 139 int linux_usertrap(struct lwp *, vaddr_t, void *); 140 #ifdef LINUX_NPTL 141 void linux_nptl_proc_fork(struct proc *, struct proc *, void (luserret)(void)); 142 void linux_nptl_proc_exit(struct proc *); 143 void linux_nptl_proc_init(struct proc *, struct proc *); 144 #endif 145 146 #ifdef EXEC_ELF32 147 int linux_elf32_probe(struct lwp *, struct exec_package *, void *, 148 char *, vaddr_t *); 149 int linux_elf32_copyargs(struct lwp *, struct exec_package *, 150 struct ps_strings *, char **, void *); 151 int linux_elf32_signature(struct lwp *, struct exec_package *, 152 Elf32_Ehdr *, char *); 153 #ifdef LINUX_GCC_SIGNATURE 154 int linux_elf32_gcc_signature(struct lwp *l, 155 struct exec_package *, Elf32_Ehdr *); 156 #endif 157 #ifdef LINUX_DEBUGLINK_SIGNATURE 158 int linux_elf32_debuglink_signature(struct lwp *l, 159 struct exec_package *, Elf32_Ehdr *); 160 #endif 161 #ifdef LINUX_ATEXIT_SIGNATURE 162 int linux_elf32_atexit_signature(struct lwp *l, 163 struct exec_package *, Elf32_Ehdr *); 164 #endif 165 #endif 166 #ifdef EXEC_ELF64 167 int linux_elf64_probe(struct lwp *, struct exec_package *, void *, 168 char *, vaddr_t *); 169 int linux_elf64_copyargs(struct lwp *, struct exec_package *, 170 struct ps_strings *, char **, void *); 171 int linux_elf64_signature(struct lwp *, struct exec_package *, 172 Elf64_Ehdr *, char *); 173 #ifdef LINUX_GCC_SIGNATURE 174 int linux_elf64_gcc_signature(struct lwp *l, 175 struct exec_package *, Elf64_Ehdr *); 176 #endif 177 #ifdef LINUX_DEBUGLINK_SIGNATURE 178 int linux_elf64_debuglink_signature(struct lwp *l, 179 struct exec_package *, Elf64_Ehdr *); 180 #endif 181 #ifdef LINUX_ATEXIT_SIGNATURE 182 int linux_elf64_atexit_signature(struct lwp *l, 183 struct exec_package *, Elf64_Ehdr *); 184 #endif 185 #endif 186 __END_DECLS 187 #endif /* !_KERNEL */ 188 189 #endif /* !_LINUX_EXEC_H */ 190