1 /* $NetBSD: netbsd32_core.c,v 1.18 2020/11/08 07:30:09 rin Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Charles D. Cranor and Washington University. 5 * Copyright (c) 1991, 1993 The Regents of the University of California. 6 * Copyright (c) 1988 University of Utah. 7 * 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * the Systems Programming Group of the University of Utah Computer 12 * Science Department. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: vm_unix.c 1.1 89/11/07$ 39 * @(#)vm_unix.c 8.1 (Berkeley) 6/11/93 40 * from: NetBSD: uvm_unix.c,v 1.25 2001/11/10 07:37:01 lukem Exp 41 */ 42 43 /* 44 * core_netbsd.c: Support for the historic NetBSD core file format. 45 */ 46 47 #include <sys/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: netbsd32_core.c,v 1.18 2020/11/08 07:30:09 rin Exp $"); 49 50 #include <sys/compat_stub.h> 51 #include <sys/exec_elf.h> 52 #include <sys/lwp.h> 53 #include <sys/module.h> 54 55 #ifdef _KERNEL_OPT 56 #include "opt_execfmt.h" 57 #endif 58 59 #define DEPS "compat_netbsd32,compat_netbsd32_ptrace,coredump" 60 61 MODULE(MODULE_CLASS_MISC, compat_netbsd32_coredump, DEPS); 62 63 #define CORENAME(x) __CONCAT(x,32) 64 #define COREINC <compat/netbsd32/netbsd32.h> 65 66 #include "../../kern/core_netbsd.c" 67 68 static int 69 compat_netbsd32_coredump_modcmd(modcmd_t cmd, void *arg) 70 { 71 72 switch (cmd) { 73 case MODULE_CMD_INIT: 74 MODULE_HOOK_SET(coredump_netbsd32_hook, real_coredump_netbsd32); 75 #if defined(EXEC_ELF32) && defined(_LP64) 76 MODULE_HOOK_SET(coredump_elf32_hook, real_coredump_elf32); 77 #endif 78 return 0; 79 case MODULE_CMD_FINI: 80 MODULE_HOOK_UNSET(coredump_netbsd32_hook); 81 #if defined(EXEC_ELF32) && defined(_LP64) 82 MODULE_HOOK_UNSET(coredump_elf32_hook); 83 #endif 84 return 0; 85 default: 86 return ENOTTY; 87 } 88 } 89