1 /* $NetBSD: core_machdep.c,v 1.4 2010/12/14 23:44:49 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Ludd, University of Lule}, Sweden. 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 at Ludd, University of Lule}. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: core_machdep.c,v 1.4 2010/12/14 23:44:49 matt Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/proc.h> 39 #include <sys/exec.h> 40 #include <sys/core.h> 41 42 #include <sys/exec_aout.h> 43 44 #include <machine/pcb.h> 45 #include <machine/frame.h> 46 47 /* 48 * Dump the machine specific header information at the start of a core dump. 49 * First put all regs in PCB for debugging purposes. This is not an good 50 * way to do this, but good for my purposes so far. 51 */ 52 int 53 cpu_coredump(struct lwp *l, void *iocookie, struct core *chdr) 54 { 55 struct md_coredump md_core; 56 struct coreseg cseg; 57 struct pcb *pcb; 58 int error; 59 60 if (iocookie == NULL) { 61 CORE_SETMAGIC(*chdr, COREMAGIC, MID_MACHINE, 0); 62 chdr->c_hdrsize = sizeof(struct core); 63 chdr->c_seghdrsize = sizeof(struct coreseg); 64 chdr->c_cpusize = sizeof(struct md_coredump); 65 chdr->c_nseg++; 66 return 0; 67 } 68 69 pcb = lwp_getpcb(l); 70 md_core.md_tf = *(struct trapframe *)pcb->framep; /*XXX*/ 71 72 CORE_SETMAGIC(cseg, CORESEGMAGIC, MID_MACHINE, CORE_CPU); 73 cseg.c_addr = 0; 74 cseg.c_size = chdr->c_cpusize; 75 76 error = coredump_write(iocookie, UIO_SYSSPACE, &cseg, 77 chdr->c_seghdrsize); 78 if (error) 79 return error; 80 81 return coredump_write(iocookie, UIO_SYSSPACE, &md_core, 82 sizeof(md_core)); 83 } 84