112 lines
4.0 KiB
C
112 lines
4.0 KiB
C
/* $NetBSD: netbsd32_kern_sig.c,v 1.2 2001/11/13 02:09:06 lukem Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)kern_sig.c 8.14 (Berkeley) 5/14/95
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* from: NetBSD: kern_sig.c,v 1.112 2001/02/26 21:58:30 lukem Exp
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: netbsd32_kern_sig.c,v 1.2 2001/11/13 02:09:06 lukem Exp $");
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#include <sys/param.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include <sys/proc.h>
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#include <sys/core.h>
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#include <sys/fcntl.h>
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#include <uvm/uvm_extern.h>
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#include <compat/netbsd32/netbsd32.h>
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/*
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* Same as coredump, but generates a 32-bit image.
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*/
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int
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coredump32(struct proc *p, struct vnode *vp)
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{
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struct vmspace *vm;
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struct ucred *cred;
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int error, error1;
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struct core32 core;
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vm = p->p_vmspace;
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cred = p->p_cred->pc_ucred;
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#if 0
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/*
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* XXX
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* It would be nice if we at least dumped the signal state (and made it
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* available at run time to the debugger, as well), but this code
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* hasn't actually had any effect for a long time, since we don't dump
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* the user area. For now, it's dead.
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*/
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memcpy(&p->p_addr->u_kproc.kp_proc, p, sizeof(struct proc));
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fill_eproc(p, &p->p_addr->u_kproc.kp_eproc);
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#endif
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core.c_midmag = 0;
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strncpy(core.c_name, p->p_comm, MAXCOMLEN);
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core.c_nseg = 0;
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core.c_signo = p->p_sigctx.ps_sig;
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core.c_ucode = p->p_sigctx.ps_code;
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core.c_cpusize = 0;
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core.c_tsize = (u_long)ctob(vm->vm_tsize);
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core.c_dsize = (u_long)ctob(vm->vm_dsize);
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core.c_ssize = (u_long)round_page(ctob(vm->vm_ssize));
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error = cpu_coredump32(p, vp, cred, &core);
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if (error)
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goto out;
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/*
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* uvm_coredump() spits out all appropriate segments.
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* All that's left to do is to write the core header.
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*/
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error = uvm_coredump32(p, vp, cred, &core);
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if (error)
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goto out;
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error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&core,
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(int)core.c_hdrsize, (off_t)0,
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UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p);
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out:
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VOP_UNLOCK(vp, 0);
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error1 = vn_close(vp, FWRITE, cred, p);
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if (error == 0)
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error = error1;
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return (error);
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}
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