core_netbsd.c revision 1.2.2.3
1 1.2.2.3 nathanw /* $NetBSD: core_netbsd.c,v 1.2.2.3 2002/01/09 02:58:56 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /* 4 1.2.2.2 nathanw * Copyright (c) 1997 Charles D. Cranor and Washington University. 5 1.2.2.2 nathanw * Copyright (c) 1991, 1993 The Regents of the University of California. 6 1.2.2.2 nathanw * Copyright (c) 1988 University of Utah. 7 1.2.2.2 nathanw * 8 1.2.2.2 nathanw * All rights reserved. 9 1.2.2.2 nathanw * 10 1.2.2.2 nathanw * This code is derived from software contributed to Berkeley by 11 1.2.2.2 nathanw * the Systems Programming Group of the University of Utah Computer 12 1.2.2.2 nathanw * Science Department. 13 1.2.2.2 nathanw * 14 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 15 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 16 1.2.2.2 nathanw * are met: 17 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 18 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 19 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 20 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 21 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 22 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 23 1.2.2.2 nathanw * must display the following acknowledgement: 24 1.2.2.2 nathanw * This product includes software developed by Charles D. Cranor, 25 1.2.2.2 nathanw * Washington University, the University of California, Berkeley and 26 1.2.2.2 nathanw * its contributors. 27 1.2.2.2 nathanw * 4. Neither the name of the University nor the names of its contributors 28 1.2.2.2 nathanw * may be used to endorse or promote products derived from this software 29 1.2.2.2 nathanw * without specific prior written permission. 30 1.2.2.2 nathanw * 31 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 32 1.2.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 33 1.2.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 34 1.2.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 35 1.2.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.2.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.2.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.2.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 39 1.2.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 40 1.2.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 41 1.2.2.2 nathanw * SUCH DAMAGE. 42 1.2.2.2 nathanw * 43 1.2.2.2 nathanw * from: Utah $Hdr: vm_unix.c 1.1 89/11/07$ 44 1.2.2.2 nathanw * @(#)vm_unix.c 8.1 (Berkeley) 6/11/93 45 1.2.2.2 nathanw * from: NetBSD: uvm_unix.c,v 1.25 2001/11/10 07:37:01 lukem Exp 46 1.2.2.2 nathanw */ 47 1.2.2.2 nathanw 48 1.2.2.2 nathanw /* 49 1.2.2.2 nathanw * core_netbsd.c: Support for the historic NetBSD core file format. 50 1.2.2.2 nathanw */ 51 1.2.2.2 nathanw 52 1.2.2.2 nathanw #include <sys/cdefs.h> 53 1.2.2.3 nathanw __KERNEL_RCSID(0, "$NetBSD: core_netbsd.c,v 1.2.2.3 2002/01/09 02:58:56 nathanw Exp $"); 54 1.2.2.2 nathanw 55 1.2.2.2 nathanw #include <sys/param.h> 56 1.2.2.2 nathanw #include <sys/systm.h> 57 1.2.2.2 nathanw #include <sys/proc.h> 58 1.2.2.2 nathanw #include <sys/vnode.h> 59 1.2.2.2 nathanw #include <sys/core.h> 60 1.2.2.2 nathanw 61 1.2.2.2 nathanw #include <uvm/uvm_extern.h> 62 1.2.2.2 nathanw 63 1.2.2.2 nathanw struct coredump_state { 64 1.2.2.2 nathanw struct core core; 65 1.2.2.2 nathanw off_t offset; 66 1.2.2.2 nathanw }; 67 1.2.2.2 nathanw 68 1.2.2.2 nathanw int coredump_writesegs_netbsd(struct proc *, struct vnode *, 69 1.2.2.2 nathanw struct ucred *, struct uvm_coredump_state *); 70 1.2.2.2 nathanw 71 1.2.2.2 nathanw int 72 1.2.2.3 nathanw coredump_netbsd(struct lwp *l, struct vnode *vp, struct ucred *cred) 73 1.2.2.2 nathanw { 74 1.2.2.2 nathanw struct coredump_state cs; 75 1.2.2.3 nathanw struct proc *p; 76 1.2.2.3 nathanw struct vmspace *vm; 77 1.2.2.2 nathanw int error; 78 1.2.2.3 nathanw 79 1.2.2.3 nathanw p = l->l_proc; 80 1.2.2.3 nathanw vm = p->p_vmspace; 81 1.2.2.2 nathanw 82 1.2.2.2 nathanw cs.core.c_midmag = 0; 83 1.2.2.2 nathanw strncpy(cs.core.c_name, p->p_comm, MAXCOMLEN); 84 1.2.2.2 nathanw cs.core.c_nseg = 0; 85 1.2.2.2 nathanw cs.core.c_signo = p->p_sigctx.ps_sig; 86 1.2.2.2 nathanw cs.core.c_ucode = p->p_sigctx.ps_code; 87 1.2.2.2 nathanw cs.core.c_cpusize = 0; 88 1.2.2.2 nathanw cs.core.c_tsize = (u_long)ctob(vm->vm_tsize); 89 1.2.2.2 nathanw cs.core.c_dsize = (u_long)ctob(vm->vm_dsize); 90 1.2.2.2 nathanw cs.core.c_ssize = (u_long)round_page(ctob(vm->vm_ssize)); 91 1.2.2.3 nathanw error = cpu_coredump(l, vp, cred, &cs.core); 92 1.2.2.2 nathanw if (error) 93 1.2.2.2 nathanw return (error); 94 1.2.2.2 nathanw 95 1.2.2.2 nathanw #if 0 96 1.2.2.2 nathanw /* 97 1.2.2.2 nathanw * XXX 98 1.2.2.2 nathanw * It would be nice if we at least dumped the signal state (and made it 99 1.2.2.2 nathanw * available at run time to the debugger, as well), but this code 100 1.2.2.2 nathanw * hasn't actually had any effect for a long time, since we don't dump 101 1.2.2.2 nathanw * the user area. For now, it's dead. 102 1.2.2.2 nathanw */ 103 1.2.2.2 nathanw memcpy(&p->p_addr->u_kproc.kp_proc, p, sizeof(struct proc)); 104 1.2.2.2 nathanw fill_eproc(p, &p->p_addr->u_kproc.kp_eproc); 105 1.2.2.2 nathanw #endif 106 1.2.2.2 nathanw 107 1.2.2.2 nathanw cs.offset = cs.core.c_hdrsize + cs.core.c_seghdrsize + 108 1.2.2.2 nathanw cs.core.c_cpusize; 109 1.2.2.2 nathanw error = uvm_coredump_walkmap(p, vp, cred, coredump_writesegs_netbsd, 110 1.2.2.2 nathanw &cs); 111 1.2.2.2 nathanw if (error) 112 1.2.2.2 nathanw return (error); 113 1.2.2.2 nathanw 114 1.2.2.2 nathanw /* Now write out the core header. */ 115 1.2.2.2 nathanw error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cs.core, 116 1.2.2.2 nathanw (int)cs.core.c_hdrsize, (off_t)0, 117 1.2.2.2 nathanw UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p); 118 1.2.2.2 nathanw 119 1.2.2.2 nathanw return (error); 120 1.2.2.2 nathanw } 121 1.2.2.2 nathanw 122 1.2.2.2 nathanw int 123 1.2.2.2 nathanw coredump_writesegs_netbsd(struct proc *p, struct vnode *vp, struct ucred *cred, 124 1.2.2.2 nathanw struct uvm_coredump_state *us) 125 1.2.2.2 nathanw { 126 1.2.2.2 nathanw struct coredump_state *cs = us->cookie; 127 1.2.2.2 nathanw struct coreseg cseg; 128 1.2.2.2 nathanw int flag, error; 129 1.2.2.2 nathanw 130 1.2.2.2 nathanw if (us->flags & UVM_COREDUMP_NODUMP) 131 1.2.2.2 nathanw return (0); 132 1.2.2.2 nathanw 133 1.2.2.2 nathanw if (us->flags & UVM_COREDUMP_STACK) 134 1.2.2.2 nathanw flag = CORE_STACK; 135 1.2.2.2 nathanw else 136 1.2.2.2 nathanw flag = CORE_DATA; 137 1.2.2.2 nathanw 138 1.2.2.2 nathanw /* 139 1.2.2.2 nathanw * Set up a new core file segment. 140 1.2.2.2 nathanw */ 141 1.2.2.2 nathanw CORE_SETMAGIC(cseg, CORESEGMAGIC, CORE_GETMID(cs->core), flag); 142 1.2.2.2 nathanw cseg.c_addr = us->start; 143 1.2.2.2 nathanw cseg.c_size = us->end - us->start; 144 1.2.2.2 nathanw 145 1.2.2.2 nathanw error = vn_rdwr(UIO_WRITE, vp, 146 1.2.2.2 nathanw (caddr_t)&cseg, cs->core.c_seghdrsize, 147 1.2.2.2 nathanw cs->offset, UIO_SYSSPACE, 148 1.2.2.2 nathanw IO_NODELOCKED|IO_UNIT, cred, NULL, p); 149 1.2.2.2 nathanw if (error) 150 1.2.2.2 nathanw return (error); 151 1.2.2.2 nathanw 152 1.2.2.2 nathanw cs->offset += cs->core.c_seghdrsize; 153 1.2.2.2 nathanw error = vn_rdwr(UIO_WRITE, vp, 154 1.2.2.2 nathanw (caddr_t) us->start, (int) cseg.c_size, 155 1.2.2.2 nathanw cs->offset, UIO_USERSPACE, 156 1.2.2.2 nathanw IO_NODELOCKED|IO_UNIT, cred, NULL, p); 157 1.2.2.2 nathanw if (error) 158 1.2.2.2 nathanw return (error); 159 1.2.2.2 nathanw 160 1.2.2.2 nathanw cs->offset += cseg.c_size; 161 1.2.2.2 nathanw cs->core.c_nseg++; 162 1.2.2.2 nathanw 163 1.2.2.2 nathanw return (0); 164 1.2.2.2 nathanw } 165
Indexes created Tue Sep 23 02:09:52 GMT 2025