Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_exec.h
Version:
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1 /* $NetBSD: linux_exec.h,v 1.44 2008/10/25 23:38:28 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX_EXEC_H 33 #define _LINUX_EXEC_H 34 35 #if defined(EXEC_ELF32) || defined(EXEC_ELF64) 36 #include <sys/exec_elf.h> 37 #endif 38 39 #if defined(__i386__) 40 #include <compat/linux/arch/i386/linux_exec.h> 41 #elif defined(__m68k__) 42 #include <compat/linux/arch/m68k/linux_exec.h> 43 #elif defined(__alpha__) 44 #include <compat/linux/arch/alpha/linux_exec.h> 45 #elif defined(__powerpc__) 46 #include <compat/linux/arch/powerpc/linux_exec.h> 47 #elif defined(__mips__) 48 #include <compat/linux/arch/mips/linux_exec.h> 49 #elif defined(__arm__) 50 #include <compat/linux/arch/arm/linux_exec.h> 51 #elif defined(__amd64__) 52 #include <compat/linux/arch/amd64/linux_exec.h> 53 #endif 54 55 56 /* Defines for a.out executables */ 57 #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec)) 58 #define LINUX_AOUT_AUX_ARGSIZ 2 59 60 #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff) 61 #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff) 62 63 #define LINUX_N_TXTOFF(x,m) \ 64 ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec))) 65 66 #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text) 67 68 #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0) 69 70 #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) 71 72 #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text) 73 74 #define LINUX_N_DATADDR(x,m) \ 75 ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \ 76 : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m)))) 77 78 #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data) 79 80 #ifndef LINUX_MACHDEP_ELF_COPYARGS 81 #define LINUX_ELF_AUX_ENTRIES 13 /* we push 13 parameters */ 82 #endif 83 84 /* 85 * From Linux's include/linux/elf.h 86 */ 87 #define LINUX_AT_UID 11 /* real uid */ 88 #define LINUX_AT_EUID 12 /* effective uid */ 89 #define LINUX_AT_GID 13 /* real gid */ 90 #define LINUX_AT_EGID 14 /* effective gid */ 91 #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */ 92 #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */ 93 #define LINUX_AT_CLKTCK 17 /* frequency times() increments */ 94 #define LINUX_AT_SECURE 23 /* secure mode boolean */ 95 #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */ 96 #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */ 97 98 /* 99 * Emulation specific sysctls. 100 */ 101 #define EMUL_LINUX_KERN 1 102 #define EMUL_LINUX_MAXID 2 103 104 #define EMUL_LINUX_NAMES { \ 105 { 0, 0 }, \ 106 { "kern", CTLTYPE_NODE }, \ 107 } 108 109 #define EMUL_LINUX_KERN_OSTYPE 1 110 #define EMUL_LINUX_KERN_OSRELEASE 2 111 #define EMUL_LINUX_KERN_VERSION 3 112 #define EMUL_LINUX_KERN_MAXID 4 113 114 #define EMUL_LINUX_KERN_NAMES { \ 115 { 0, 0 }, \ 116 { "ostype", CTLTYPE_STRING }, \ 117 { "osrelease", CTLTYPE_STRING }, \ 118 { "osversion", CTLTYPE_STRING }, \ 119 } 120 121 #ifdef _KERNEL 122 __BEGIN_DECLS 123 extern const struct emul emul_linux; 124 125 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t, 126 struct lwp *); 127 void linux_setregs(struct lwp *, struct exec_package *, u_long); 128 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *); 129 int linux_aout_copyargs(struct lwp *, struct exec_package *, 130 struct ps_strings *, char **, void *); 131 void linux_trapsignal(struct lwp *, ksiginfo_t *); 132 int linux_usertrap(struct lwp *, vaddr_t, void *); 133 #ifdef LINUX_NPTL 134 void linux_nptl_proc_fork(struct proc *, struct proc *, void (luserret)(void)); 135 void linux_nptl_proc_exit(struct proc *); 136 void linux_nptl_proc_init(struct proc *, struct proc *); 137 int linux_init_thread_area(struct lwp *, struct lwp *); 138 #endif 139 140 #ifdef EXEC_ELF32 141 int linux_elf32_probe(struct lwp *, struct exec_package *, void *, 142 char *, vaddr_t *); 143 int linux_elf32_copyargs(struct lwp *, struct exec_package *, 144 struct ps_strings *, char **, void *); 145 int linux_elf32_signature(struct lwp *, struct exec_package *, 146 Elf32_Ehdr *, char *); 147 #ifdef LINUX_GCC_SIGNATURE 148 int linux_elf32_gcc_signature(struct lwp *l, 149 struct exec_package *, Elf32_Ehdr *); 150 #endif 151 #ifdef LINUX_DEBUGLINK_SIGNATURE 152 int linux_elf32_debuglink_signature(struct lwp *l, 153 struct exec_package *, Elf32_Ehdr *); 154 #endif 155 #ifdef LINUX_ATEXIT_SIGNATURE 156 int linux_elf32_atexit_signature(struct lwp *l, 157 struct exec_package *, Elf32_Ehdr *); 158 #endif 159 #endif 160 #ifdef EXEC_ELF64 161 int linux_elf64_probe(struct lwp *, struct exec_package *, void *, 162 char *, vaddr_t *); 163 int linux_elf64_copyargs(struct lwp *, struct exec_package *, 164 struct ps_strings *, char **, void *); 165 int linux_elf64_signature(struct lwp *, struct exec_package *, 166 Elf64_Ehdr *, char *); 167 #ifdef LINUX_GCC_SIGNATURE 168 int linux_elf64_gcc_signature(struct lwp *l, 169 struct exec_package *, Elf64_Ehdr *); 170 #endif 171 #ifdef LINUX_DEBUGLINK_SIGNATURE 172 int linux_elf64_debuglink_signature(struct lwp *l, 173 struct exec_package *, Elf64_Ehdr *); 174 #endif 175 #ifdef LINUX_ATEXIT_SIGNATURE 176 int linux_elf64_atexit_signature(struct lwp *l, 177 struct exec_package *, Elf64_Ehdr *); 178 #endif 179 #endif 180 __END_DECLS 181 #endif /* !_KERNEL */ 182 183 #endif /* !_LINUX_EXEC_H */
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