sys/kern/exec_elf64.c

   1 /*      $NetBSD: exec_elf64.c,v 1.2 2001/11/12 15:25:03 lukem Exp $     */
   2
   3 /*
   4  * Copyright (c) 1996 Christopher G. Demetriou
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Christopher G. Demetriou
  18  *      for the NetBSD Project.
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __KERNEL_RCSID(0, "$NetBSD: exec_elf64.c,v 1.2 2001/11/12 15:25:03 lukem Exp $");
  36
  37 #define ELFSIZE 64
  38
  39 #include "exec_elf.c"
  40
  41 #include <sys/module.h>
  42
  43 #define ELF64_AUXSIZE (howmany(ELF_AUX_ENTRIES * sizeof(Aux64Info), \
  44     sizeof(Elf64_Addr)) + MAXPATHLEN + ALIGN(1))
  45
  46 #ifdef COREDUMP
  47 #define DEP     "coredump"
  48 #else
  49 #define DEP     NULL
  50 #endif
  51
  52 MODULE(MODULE_CLASS_MISC, exec_elf64, DEP);
  53
  54 static struct execsw exec_elf64_execsw[] = {
  55         /* Native Elf64 */
  56         { sizeof (Elf64_Ehdr),
  57           exec_elf64_makecmds,
  58           { netbsd_elf64_probe },
  59           &emul_netbsd,
  60           EXECSW_PRIO_ANY,
  61           ELF64_AUXSIZE,
  62           elf64_copyargs,
  63           NULL,
  64           coredump_elf64,
  65           exec_setup_stack },
  66 #if EXEC_ELF_NOTELESS
  67         /* Generic Elf64 -- run at NetBSD Elf64 */
  68         { sizeof (Elf64_Ehdr),
  69           exec_elf64_makecmds,
  70           { NULL },
  71           &emul_netbsd,
  72           EXECSW_PRIO_ANY,
  73           ELF64_AUXSIZE,
  74           elf64_copyargs,
  75           NULL,
  76           coredump_elf64,
  77           exec_setup_stack },
  78 #endif
  79 };
  80
  81 static int
  82 exec_elf64_modcmd(modcmd_t cmd, void *arg)
  83 {
  84
  85         switch (cmd) {
  86         case MODULE_CMD_INIT:
  87                 return exec_add(exec_elf64_execsw,
  88                     __arraycount(exec_elf64_execsw));
  89
  90         case MODULE_CMD_FINI:
  91                 return exec_remove(exec_elf64_execsw,
  92                     __arraycount(exec_elf64_execsw));
  93
  94         default:
  95                 return ENOTTY;
  96         }
  97 }