sys/compat/linux/common/linux_exec.h

   1 /*      $NetBSD: linux_exec.h,v 1.46 2009/08/15 23:39:35 matt 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 #define LINUX_ELF_AUX_ENTRIES   13      /* we push 13 parameters */
  86 #endif
  87
  88 /*
  89  * From Linux's include/linux/elf.h
  90  */
  91 #define LINUX_AT_UID            11      /* real uid */
  92 #define LINUX_AT_EUID           12      /* effective uid */
  93 #define LINUX_AT_GID            13      /* real gid */
  94 #define LINUX_AT_EGID           14      /* effective gid */
  95 #define LINUX_AT_PLATFORM       15      /* CPU string for optimizations */
  96 #define LINUX_AT_HWCAP          16      /* arch dependent CPU capabilities */
  97 #define LINUX_AT_CLKTCK         17      /* frequency times() increments */
  98 #define LINUX_AT_SECURE         23      /* secure mode boolean */
  99 #define LINUX_AT_SYSINFO        32      /* pointer to __kernel_vsyscall */
 100 #define LINUX_AT_SYSINFO_EHDR   33      /* pointer to ELF header */
 101
 102 /*
 103  * Emulation specific sysctls.
 104  */
 105 #define EMUL_LINUX_KERN                 1
 106 #define EMUL_LINUX_MAXID                2
 107
 108 #define EMUL_LINUX_NAMES { \
 109         { 0, 0 }, \
 110         { "kern", CTLTYPE_NODE }, \
 111 }
 112
 113 #define EMUL_LINUX_KERN_OSTYPE          1
 114 #define EMUL_LINUX_KERN_OSRELEASE       2
 115 #define EMUL_LINUX_KERN_VERSION         3
 116 #define EMUL_LINUX_KERN_MAXID           4
 117
 118 #define EMUL_LINUX_KERN_NAMES { \
 119         { 0, 0 }, \
 120         { "ostype", CTLTYPE_STRING }, \
 121         { "osrelease", CTLTYPE_STRING }, \
 122         { "osversion", CTLTYPE_STRING }, \
 123 }
 124
 125 #ifdef _KERNEL
 126 __BEGIN_DECLS
 127 extern struct emul emul_linux;
 128
 129 int linux_sysctl(int *, u_int, void *, size_t *, void *, size_t,
 130     struct lwp *);
 131 void linux_setregs(struct lwp *, struct exec_package *, vaddr_t);
 132 #ifdef EXEC_AOUT
 133 int exec_linux_aout_makecmds(struct lwp *, struct exec_package *);
 134 int linux_aout_copyargs(struct lwp *, struct exec_package *,
 135     struct ps_strings *, char **, void *);
 136 #endif
 137 void linux_trapsignal(struct lwp *, ksiginfo_t *);
 138 int linux_usertrap(struct lwp *, vaddr_t, void *);
 139 #ifdef LINUX_NPTL
 140 void linux_nptl_proc_fork(struct proc *, struct proc *, void (luserret)(void));
 141 void linux_nptl_proc_exit(struct proc *);
 142 void linux_nptl_proc_init(struct proc *, struct proc *);
 143 int  linux_init_thread_area(struct lwp *, struct lwp *);
 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 */