1 /* $NetBSD: core_machdep.c,v 1.8 2022/09/29 06:39:59 skrll Exp $ */
2
3 /* $OpenBSD: vm_machdep.c,v 1.25 2001/09/19 20:50:56 mickey Exp $ */
4
5 /*
6 * Copyright (c) 1999-2004 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: core_machdep.c,v 1.8 2022/09/29 06:39:59 skrll Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/proc.h>
37 #include <sys/signalvar.h>
38 #include <sys/buf.h>
39 #include <sys/vnode.h>
40 #include <sys/ptrace.h>
41 #include <sys/exec.h>
42 #include <sys/core.h>
43 #include <sys/compat_stub.h>
44
45 #include <sys/exec_aout.h>
46
47 #include <machine/cpufunc.h>
48 #include <machine/pmap.h>
49 #include <machine/pcb.h>
50
51 #include <uvm/uvm.h>
52
53 #include <hppa/hppa/machdep.h>
54
55 /*
56 * Dump the machine specific header information at the start of a core dump.
57 */
58 int
cpu_coredump(struct lwp * l,struct coredump_iostate * iocookie,struct core * core)59 cpu_coredump(struct lwp *l, struct coredump_iostate *iocookie,
60 struct core *core)
61 {
62 struct md_coredump md_core;
63 struct coreseg cseg;
64 int error;
65
66 if (iocookie == NULL) {
67 CORE_SETMAGIC(*core, COREMAGIC, MID_MACHINE, 0);
68 core->c_hdrsize = ALIGN(sizeof(*core));
69 core->c_seghdrsize = ALIGN(sizeof(cseg));
70 core->c_cpusize = sizeof(md_core);
71 core->c_nseg++;
72 return 0;
73 }
74
75 error = process_read_regs(l, &md_core.md_reg);
76 if (error)
77 return error;
78
79 /* Save floating point registers. */
80 error = process_read_fpregs(l, &md_core.md_fpreg, NULL);
81 if (error)
82 return error;
83
84 CORE_SETMAGIC(cseg, CORESEGMAGIC, MID_MACHINE, CORE_CPU);
85 cseg.c_addr = 0;
86 cseg.c_size = core->c_cpusize;
87
88 MODULE_HOOK_CALL(coredump_write_hook, (iocookie, UIO_SYSSPACE, &cseg,
89 core->c_seghdrsize), ENOSYS, error);
90 if (error)
91 return error;
92
93 MODULE_HOOK_CALL(coredump_write_hook, (iocookie, UIO_SYSSPACE, &md_core,
94 sizeof(md_core)), ENOSYS, error);
95
96 return error;
97 }
98