core_netbsd.c revision 1.14.48.1
1 /* $NetBSD: core_netbsd.c,v 1.14.48.1 2008/06/02 13:24:07 mjf 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. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by Charles D. Cranor, 25 * Washington University, the University of California, Berkeley and 26 * its contributors. 27 * 4. Neither the name of the University nor the names of its contributors 28 * may be used to endorse or promote products derived from this software 29 * without specific prior written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 32 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 34 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 35 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 39 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 40 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 41 * SUCH DAMAGE. 42 * 43 * from: Utah $Hdr: vm_unix.c 1.1 89/11/07$ 44 * @(#)vm_unix.c 8.1 (Berkeley) 6/11/93 45 * from: NetBSD: uvm_unix.c,v 1.25 2001/11/10 07:37:01 lukem Exp 46 */ 47 48 /* 49 * core_netbsd.c: Support for the historic NetBSD core file format. 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: core_netbsd.c,v 1.14.48.1 2008/06/02 13:24:07 mjf Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/exec.h> 58 #include <sys/proc.h> 59 #include <sys/vnode.h> 60 #include <sys/core.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #ifndef CORENAME 65 #define CORENAME(x) x 66 #endif 67 #ifdef COREINC 68 #include COREINC 69 #endif 70 71 struct coredump_state { 72 struct CORENAME(core) core; 73 }; 74 75 static int CORENAME(coredump_countsegs_netbsd)(struct proc *, void *, 76 struct uvm_coredump_state *); 77 static int CORENAME(coredump_writesegs_netbsd)(struct proc *, void *, 78 struct uvm_coredump_state *); 79 80 int 81 CORENAME(coredump_netbsd)(struct lwp *l, void *iocookie) 82 { 83 struct coredump_state cs; 84 struct proc *p = l->l_proc; 85 struct vmspace *vm = p->p_vmspace; 86 int error; 87 88 89 cs.core.c_midmag = 0; 90 strncpy(cs.core.c_name, p->p_comm, MAXCOMLEN); 91 cs.core.c_nseg = 0; 92 cs.core.c_signo = p->p_sigctx.ps_signo; 93 cs.core.c_ucode = p->p_sigctx.ps_code; 94 cs.core.c_cpusize = 0; 95 cs.core.c_tsize = (u_long)ctob(vm->vm_tsize); 96 cs.core.c_dsize = (u_long)ctob(vm->vm_dsize); 97 cs.core.c_ssize = (u_long)round_page(ctob(vm->vm_ssize)); 98 99 #if 0 100 /* 101 * XXX 102 * It would be nice if we at least dumped the signal state (and made it 103 * available at run time to the debugger, as well), but this code 104 * hasn't actually had any effect for a long time, since we don't dump 105 * the user area. For now, it's dead. 106 */ 107 memcpy(&p->p_addr->u_kproc.kp_proc, p, sizeof(struct proc)); 108 fill_eproc(p, &p->p_addr->u_kproc.kp_eproc, false); 109 #endif 110 error = CORENAME(cpu_coredump)(l, NULL, &cs.core); 111 if (error) 112 return (error); 113 error = uvm_coredump_walkmap(p, NULL, 114 CORENAME(coredump_countsegs_netbsd), &cs); 115 if (error) 116 return (error); 117 118 /* First write out the core header. */ 119 error = coredump_write(iocookie, UIO_SYSSPACE, &cs.core, 120 cs.core.c_hdrsize); 121 if (error) 122 return (error); 123 124 /* Then the CPU specific stuff */ 125 error = CORENAME(cpu_coredump)(l, iocookie, &cs.core); 126 if (error) 127 return (error); 128 129 /* Finally, the address space dump */ 130 return uvm_coredump_walkmap(p, iocookie, 131 CORENAME(coredump_writesegs_netbsd), &cs); 132 } 133 134 static int 135 CORENAME(coredump_countsegs_netbsd)(struct proc *p, void *iocookie, 136 struct uvm_coredump_state *us) 137 { 138 struct coredump_state *cs = us->cookie; 139 140 if (us->start != us->realend) 141 cs->core.c_nseg++; 142 143 return (0); 144 } 145 146 static int 147 CORENAME(coredump_writesegs_netbsd)(struct proc *p, void *iocookie, 148 struct uvm_coredump_state *us) 149 { 150 struct coredump_state *cs = us->cookie; 151 struct CORENAME(coreseg) cseg; 152 int flag, error; 153 154 if (us->start == us->realend) 155 return (0); 156 157 if (us->flags & UVM_COREDUMP_STACK) 158 flag = CORE_STACK; 159 else 160 flag = CORE_DATA; 161 162 /* 163 * Set up a new core file segment. 164 */ 165 CORE_SETMAGIC(cseg, CORESEGMAGIC, CORE_GETMID(cs->core), flag); 166 cseg.c_addr = us->start; 167 cseg.c_size = us->end - us->start; 168 169 error = coredump_write(iocookie, UIO_SYSSPACE, 170 &cseg, cs->core.c_seghdrsize); 171 if (error) 172 return (error); 173 174 return coredump_write(iocookie, UIO_USERSPACE, 175 (void *)(vaddr_t)us->start, cseg.c_size); 176 } 177
Indexes created Sun Sep 21 20:09:37 GMT 2025