exec_elf64.c

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    1 /*      $NetBSD: exec_elf64.c,v 1.8 2019/11/20 19:37:53 pgoyette 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 1.8 2019/11/20 19:37:53 pgoyette Exp $");
   36 
   37 #define ELFSIZE 64
   38 
   39 #include "exec_elf.c"
   40 
   41 #include <sys/module.h>
   42 
   43 #define ELF64_AUXSIZE (ELF_AUX_ENTRIES * sizeof(Aux64Info) \
   44     + MAXPATHLEN + ALIGN(1))
   45 
   46 MODULE(MODULE_CLASS_EXEC, exec_elf64, NULL);
   47 
   48 static struct execsw exec_elf64_execsw[] = {
   49         /* Native Elf64 */
   50         {
   51                 .es_hdrsz = sizeof (Elf64_Ehdr),
   52                 .es_makecmds = exec_elf64_makecmds,
   53                 .u = {
   54                         .elf_probe_func = netbsd_elf64_probe,
   55                 },
   56                 .es_emul = &emul_netbsd,
   57                 .es_prio = EXECSW_PRIO_FIRST,
   58                 .es_arglen = ELF64_AUXSIZE,
   59                 .es_copyargs = elf64_copyargs,
   60                 .es_setregs = NULL,
   61                 .es_coredump = coredump_elf64,
   62                 .es_setup_stack = exec_setup_stack,
   63         },
   64 #if EXEC_ELF_NOTELESS
   65         /* Generic Elf64 -- run at NetBSD Elf64 */
   66         {
   67                 .es_hdrsz = sizeof (Elf64_Ehdr),
   68                 .es_makecmds = exec_elf64_makecmds,
   69                 .u = {
   70                         .elf_probe_func = NULL,
   71                 },
   72                 .es_emul = &emul_netbsd,
   73                 .es_prio = EXECSW_PRIO_ANY,
   74                 .es_arglen = ELF64_AUXSIZE,
   75                 .es_copyargs = elf64_copyargs,
   76                 .es_setregs = NULL,
   77                 .es_coredump = coredump_elf64,
   78                 .es_setup_stack = exec_setup_stack,
   79         },
   80 #endif
   81 };
   82 
   83 static int
   84 exec_elf64_modcmd(modcmd_t cmd, void *arg)
   85 {
   86 
   87         switch (cmd) {
   88         case MODULE_CMD_INIT:
   89                 return exec_add(exec_elf64_execsw,
   90                     __arraycount(exec_elf64_execsw));
   91 
   92         case MODULE_CMD_FINI:
   93                 return exec_remove(exec_elf64_execsw,
   94                     __arraycount(exec_elf64_execsw));
   95 
   96         default:
   97                 return ENOTTY;
   98         }
   99 }

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FreeBSD/Linux Kernel Cross Reference sys/kern/exec_elf64.c

FreeBSD/Linux Kernel Cross Reference
sys/kern/exec_elf64.c