1 /* $NetBSD: exec_elf64.c,v 1.7 2017/01/25 17:56:45 christos 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 1.7 2017/01/25 17:56:45 christos 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 #ifdef COREDUMP 47 #define DEP "coredump" 48 #else 49 #define DEP NULL 50 #endif 51 52 MODULE(MODULE_CLASS_EXEC, exec_elf64, DEP); 53 54 static struct execsw exec_elf64_execsw[] = { 55 /* Native Elf64 */ 56 { 57 .es_hdrsz = sizeof (Elf64_Ehdr), 58 .es_makecmds = exec_elf64_makecmds, 59 .u = { 60 .elf_probe_func = netbsd_elf64_probe, 61 }, 62 .es_emul = &emul_netbsd, 63 .es_prio = EXECSW_PRIO_FIRST, 64 .es_arglen = ELF64_AUXSIZE, 65 .es_copyargs = elf64_copyargs, 66 .es_setregs = NULL, 67 .es_coredump = coredump_elf64, 68 .es_setup_stack = exec_setup_stack, 69 }, 70 #if EXEC_ELF_NOTELESS 71 /* Generic Elf64 -- run at NetBSD Elf64 */ 72 { 73 .es_hdrsz = sizeof (Elf64_Ehdr), 74 .es_makecmds = exec_elf64_makecmds, 75 .u = { 76 .elf_probe_func = NULL, 77 }, 78 .es_emul = &emul_netbsd, 79 .es_prio = EXECSW_PRIO_ANY, 80 .es_arglen = ELF64_AUXSIZE, 81 .es_copyargs = elf64_copyargs, 82 .es_setregs = NULL, 83 .es_coredump = coredump_elf64, 84 .es_setup_stack = exec_setup_stack, 85 }, 86 #endif 87 }; 88 89 static int 90 exec_elf64_modcmd(modcmd_t cmd, void *arg) 91 { 92 93 switch (cmd) { 94 case MODULE_CMD_INIT: 95 return exec_add(exec_elf64_execsw, 96 __arraycount(exec_elf64_execsw)); 97 98 case MODULE_CMD_FINI: 99 return exec_remove(exec_elf64_execsw, 100 __arraycount(exec_elf64_execsw)); 101 102 default: 103 return ENOTTY; 104 } 105 } 106