| 1 | /* $NetBSD: linux_exec.h,v 1.51 2014/02/21 07:53:53 maxv 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_AOUT) |
| 36 | #include <sys/exec_aout.h> |
| 37 | #endif |
| 38 | |
| 39 | #if defined(EXEC_ELF32) || defined(EXEC_ELF64) |
| 40 | #include <sys/exec_elf.h> |
| 41 | #endif |
| 42 | |
| 43 | #if defined(__i386__) |
| 44 | #include <compat/linux/arch/i386/linux_exec.h> |
| 45 | #elif defined(__m68k__) |
| 46 | #include <compat/linux/arch/m68k/linux_exec.h> |
| 47 | #elif defined(__alpha__) |
| 48 | #include <compat/linux/arch/alpha/linux_exec.h> |
| 49 | #elif defined(__powerpc__) |
| 50 | #include <compat/linux/arch/powerpc/linux_exec.h> |
| 51 | #elif defined(__mips__) |
| 52 | #include <compat/linux/arch/mips/linux_exec.h> |
| 53 | #elif defined(__arm__) |
| 54 | #include <compat/linux/arch/arm/linux_exec.h> |
| 55 | #elif defined(__amd64__) |
| 56 | #include <compat/linux/arch/amd64/linux_exec.h> |
| 57 | #endif |
| 58 | |
| 59 | |
| 60 | /* Defines for a.out executables */ |
| 61 | #define LINUX_AOUT_HDR_SIZE (sizeof (struct exec)) |
| 62 | #define LINUX_AOUT_AUX_ARGSIZ 2 |
| 63 | |
| 64 | #define LINUX_N_MAGIC(ep) ((ep)->a_midmag & 0xffff) |
| 65 | #define LINUX_N_MACHTYPE(ep) (((ep)->a_midmag >> 16) & 0xff) |
| 66 | |
| 67 | #define LINUX_N_TXTOFF(x,m) \ |
| 68 | ((m) == ZMAGIC ? 1024 : ((m) == QMAGIC ? 0 : sizeof (struct exec))) |
| 69 | |
| 70 | #define LINUX_N_DATOFF(x,m) (LINUX_N_TXTOFF(x,m) + (x).a_text) |
| 71 | |
| 72 | #define LINUX_N_TXTADDR(x,m) ((m) == QMAGIC ? PAGE_SIZE : 0) |
| 73 | |
| 74 | #define LINUX__N_SEGMENT_ROUND(x) (((x) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) |
| 75 | |
| 76 | #define LINUX__N_TXTENDADDR(x,m) (LINUX_N_TXTADDR(x,m)+(x).a_text) |
| 77 | |
| 78 | #define LINUX_N_DATADDR(x,m) \ |
| 79 | ((m)==OMAGIC? (LINUX__N_TXTENDADDR(x,m)) \ |
| 80 | : (LINUX__N_SEGMENT_ROUND (LINUX__N_TXTENDADDR(x,m)))) |
| 81 | |
| 82 | #define LINUX_N_BSSADDR(x,m) (LINUX_N_DATADDR(x,m) + (x).a_data) |
| 83 | |
| 84 | #ifndef LINUX_MACHDEP_ELF_COPYARGS |
| 85 | /* Counted from linux_exec_elf32.c */ |
| 86 | #define LINUX_ELF_AUX_ENTRIES 14 |
| 87 | #endif |
| 88 | |
| 89 | /* |
| 90 | * From Linux's include/linux/elf.h |
| 91 | */ |
| 92 | #define LINUX_AT_UID 11 /* real uid */ |
| 93 | #define LINUX_AT_EUID 12 /* effective uid */ |
| 94 | #define LINUX_AT_GID 13 /* real gid */ |
| 95 | #define LINUX_AT_EGID 14 /* effective gid */ |
| 96 | #define LINUX_AT_PLATFORM 15 /* CPU string for optimizations */ |
| 97 | #define LINUX_AT_HWCAP 16 /* arch dependent CPU capabilities */ |
| 98 | #define LINUX_AT_CLKTCK 17 /* frequency times() increments */ |
| 99 | #define LINUX_AT_SECURE 23 /* secure mode boolean */ |
| 100 | #define LINUX_AT_RANDOM 25 /* address of 16 random bytes */ |
| 101 | #define LINUX_AT_SYSINFO 32 /* pointer to __kernel_vsyscall */ |
| 102 | #define LINUX_AT_SYSINFO_EHDR 33 /* pointer to ELF header */ |
| 103 | |
| 104 | #define LINUX_RANDOM_BYTES 16 /* 16 bytes for AT_RANDOM */ |
| 105 | |
| 106 | /* |
| 107 | * Emulation specific sysctls. |
| 108 | */ |
| 109 | #define EMUL_LINUX_KERN 1 |
| 110 | #define EMUL_LINUX_MAXID 2 |
| 111 | |
| 112 | #define EMUL_LINUX_NAMES { \ |
| 113 | { 0, 0 }, \ |
| 114 | { "kern", CTLTYPE_NODE }, \ |
| 115 | } |
| 116 | |
| 117 | #define EMUL_LINUX_KERN_OSTYPE 1 |
| 118 | #define EMUL_LINUX_KERN_OSRELEASE 2 |
| 119 | #define EMUL_LINUX_KERN_VERSION 3 |
| 120 | #define EMUL_LINUX_KERN_MAXID 4 |
| 121 | |
| 122 | #define EMUL_LINUX_KERN_NAMES { \ |
| 123 | { 0, 0 }, \ |
| 124 | { "ostype", CTLTYPE_STRING }, \ |
| 125 | { "osrelease", CTLTYPE_STRING }, \ |
| 126 | { "osversion", CTLTYPE_STRING }, \ |
| 127 | } |
| 128 | |
| 129 | #ifdef _KERNEL |
| 130 | __BEGIN_DECLS |
| 131 | extern struct emul emul_linux; |
| 132 | |
| 133 | int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t, |
| 134 | struct lwp *); |
| 135 | void linux_setregs(struct lwp *, struct exec_package *, vaddr_t); |
| 136 | #ifdef EXEC_AOUT |
| 137 | int exec_linux_aout_makecmds(struct lwp *, struct exec_package *); |
| 138 | int linux_aout_copyargs(struct lwp *, struct exec_package *, |
| 139 | struct ps_strings *, char **, void *); |
| 140 | #endif |
| 141 | void linux_trapsignal(struct lwp *, ksiginfo_t *); |
| 142 | int linux_usertrap(struct lwp *, vaddr_t, void *); |
| 143 | int linux_lwp_setprivate(struct lwp *, void *); |
| 144 | |
| 145 | void linux_e_proc_exec(struct proc *, struct exec_package *); |
| 146 | void linux_e_proc_fork(struct proc *, struct lwp *, int); |
| 147 | void linux_e_proc_exit(struct proc *); |
| 148 | void linux_e_lwp_fork(struct lwp *, struct lwp *); |
| 149 | void linux_e_lwp_exit(struct lwp *); |
| 150 | |
| 151 | #ifdef EXEC_ELF32 |
| 152 | int linux_elf32_probe(struct lwp *, struct exec_package *, void *, |
| 153 | char *, vaddr_t *); |
| 154 | int linux_elf32_copyargs(struct lwp *, struct exec_package *, |
| 155 | struct ps_strings *, char **, void *); |
| 156 | int linux_elf32_signature(struct lwp *, struct exec_package *, |
| 157 | Elf32_Ehdr *, char *); |
| 158 | #ifdef LINUX_GCC_SIGNATURE |
| 159 | int linux_elf32_gcc_signature(struct lwp *l, |
| 160 | struct exec_package *, Elf32_Ehdr *); |
| 161 | #endif |
| 162 | #ifdef LINUX_DEBUGLINK_SIGNATURE |
| 163 | int linux_elf32_debuglink_signature(struct lwp *l, |
| 164 | struct exec_package *, Elf32_Ehdr *); |
| 165 | #endif |
| 166 | #ifdef LINUX_ATEXIT_SIGNATURE |
| 167 | int linux_elf32_atexit_signature(struct lwp *l, |
| 168 | struct exec_package *, Elf32_Ehdr *); |
| 169 | #endif |
| 170 | #endif |
| 171 | #ifdef EXEC_ELF64 |
| 172 | int linux_elf64_probe(struct lwp *, struct exec_package *, void *, |
| 173 | char *, vaddr_t *); |
| 174 | int linux_elf64_copyargs(struct lwp *, struct exec_package *, |
| 175 | struct ps_strings *, char **, void *); |
| 176 | int linux_elf64_signature(struct lwp *, struct exec_package *, |
| 177 | Elf64_Ehdr *, char *); |
| 178 | #ifdef LINUX_GCC_SIGNATURE |
| 179 | int linux_elf64_gcc_signature(struct lwp *l, |
| 180 | struct exec_package *, Elf64_Ehdr *); |
| 181 | #endif |
| 182 | #ifdef LINUX_DEBUGLINK_SIGNATURE |
| 183 | int linux_elf64_debuglink_signature(struct lwp *l, |
| 184 | struct exec_package *, Elf64_Ehdr *); |
| 185 | #endif |
| 186 | #ifdef LINUX_ATEXIT_SIGNATURE |
| 187 | int linux_elf64_atexit_signature(struct lwp *l, |
| 188 | struct exec_package *, Elf64_Ehdr *); |
| 189 | #endif |
| 190 | #endif |
| 191 | __END_DECLS |
| 192 | #endif /* !_KERNEL */ |
| 193 | |
| 194 | #endif /* !_LINUX_EXEC_H */ |
| 195 | |