1 /* $NetBSD: exec_elf64.c,v 1.9 2024/12/06 16:19:41 riastradh 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 1.9 2024/12/06 16:19:41 riastradh 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 SET_ERROR(ENOTTY); 98 } 99 } 100