162 lines
4.6 KiB
C
162 lines
4.6 KiB
C
/* $NetBSD: core_netbsd.c,v 1.22 2014/01/07 07:59:03 dsl Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997 Charles D. Cranor and Washington University.
|
|
* Copyright (c) 1991, 1993 The Regents of the University of California.
|
|
* Copyright (c) 1988 University of Utah.
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: vm_unix.c 1.1 89/11/07$
|
|
* @(#)vm_unix.c 8.1 (Berkeley) 6/11/93
|
|
* from: NetBSD: uvm_unix.c,v 1.25 2001/11/10 07:37:01 lukem Exp
|
|
*/
|
|
|
|
/*
|
|
* core_netbsd.c: Support for the historic NetBSD core file format.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: core_netbsd.c,v 1.22 2014/01/07 07:59:03 dsl Exp $");
|
|
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_coredump.h"
|
|
#endif
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/exec.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/core.h>
|
|
|
|
#include <uvm/uvm_extern.h>
|
|
|
|
#ifndef CORENAME
|
|
#define CORENAME(x) x
|
|
#endif
|
|
#ifdef COREINC
|
|
#include COREINC
|
|
#endif
|
|
|
|
#ifdef COREDUMP
|
|
|
|
struct coredump_state {
|
|
struct coredump_iostate *iocookie;
|
|
struct CORENAME(core) core;
|
|
};
|
|
|
|
static int CORENAME(coredump_writesegs_netbsd)(struct uvm_coredump_state *);
|
|
|
|
int
|
|
CORENAME(coredump_netbsd)(struct lwp *l, struct coredump_iostate *iocookie)
|
|
{
|
|
struct coredump_state cs;
|
|
struct proc *p = l->l_proc;
|
|
struct vmspace *vm = p->p_vmspace;
|
|
int error;
|
|
|
|
cs.iocookie = iocookie;
|
|
cs.core.c_midmag = 0;
|
|
strncpy(cs.core.c_name, p->p_comm, MAXCOMLEN);
|
|
cs.core.c_nseg = 0;
|
|
cs.core.c_signo = p->p_sigctx.ps_signo;
|
|
cs.core.c_ucode = p->p_sigctx.ps_code;
|
|
cs.core.c_cpusize = 0;
|
|
cs.core.c_tsize = (u_long)ctob(vm->vm_tsize);
|
|
cs.core.c_dsize = (u_long)ctob(vm->vm_dsize);
|
|
cs.core.c_ssize = (u_long)round_page(ctob(vm->vm_ssize));
|
|
|
|
error = CORENAME(cpu_coredump)(l, NULL, &cs.core);
|
|
if (error)
|
|
return (error);
|
|
cs.core.c_nseg = uvm_coredump_count_segs(p);
|
|
|
|
/* First write out the core header. */
|
|
error = coredump_write(iocookie, UIO_SYSSPACE, &cs.core,
|
|
cs.core.c_hdrsize);
|
|
if (error)
|
|
return (error);
|
|
|
|
/* Then the CPU specific stuff */
|
|
error = CORENAME(cpu_coredump)(l, iocookie, &cs.core);
|
|
if (error)
|
|
return (error);
|
|
|
|
/* Finally, the address space dump */
|
|
return uvm_coredump_walkmap(p, CORENAME(coredump_writesegs_netbsd),
|
|
&cs);
|
|
}
|
|
|
|
static int
|
|
CORENAME(coredump_writesegs_netbsd)(struct uvm_coredump_state *us)
|
|
{
|
|
struct coredump_state *cs = us->cookie;
|
|
struct CORENAME(coreseg) cseg;
|
|
int flag, error;
|
|
|
|
if (us->flags & UVM_COREDUMP_STACK)
|
|
flag = CORE_STACK;
|
|
else
|
|
flag = CORE_DATA;
|
|
|
|
/*
|
|
* Set up a new core file segment.
|
|
*/
|
|
CORE_SETMAGIC(cseg, CORESEGMAGIC, CORE_GETMID(cs->core), flag);
|
|
cseg.c_addr = us->start;
|
|
|
|
if (us->start == us->realend)
|
|
/* Not really wanted, but counted... */
|
|
cseg.c_size = 0;
|
|
else
|
|
cseg.c_size = us->end - us->start;
|
|
|
|
error = coredump_write(cs->iocookie, UIO_SYSSPACE,
|
|
&cseg, cs->core.c_seghdrsize);
|
|
if (error)
|
|
return (error);
|
|
|
|
return coredump_write(cs->iocookie, UIO_USERSPACE,
|
|
(void *)(vaddr_t)us->start, cseg.c_size);
|
|
}
|
|
|
|
#else /* COREDUMP */
|
|
|
|
int
|
|
CORENAME(coredump_netbsd)(struct lwp *l, struct coredump_iostate *cookie)
|
|
{
|
|
|
|
return ENOSYS;
|
|
}
|
|
|
|
#endif /* COREDUMP */
|