1 /* $NetBSD: core_machdep.c,v 1.6 2019/11/20 19:37:52 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
5 * Copyright (c) 1982, 1986 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department, and William Jolitz.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
37 */
38
39 /*-
40 * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
41 * Copyright (c) 1989, 1990 William Jolitz
42 * All rights reserved.
43 *
44 * This code is derived from software contributed to Berkeley by
45 * the Systems Programming Group of the University of Utah Computer
46 * Science Department, and William Jolitz.
47 *
48 * Redistribution and use in source and binary forms, with or without
49 * modification, are permitted provided that the following conditions
50 * are met:
51 * 1. Redistributions of source code must retain the above copyright
52 * notice, this list of conditions and the following disclaimer.
53 * 2. Redistributions in binary form must reproduce the above copyright
54 * notice, this list of conditions and the following disclaimer in the
55 * documentation and/or other materials provided with the distribution.
56 * 3. All advertising materials mentioning features or use of this software
57 * must display the following acknowledgement:
58 * This product includes software developed by the University of
59 * California, Berkeley and its contributors.
60 * 4. Neither the name of the University nor the names of its contributors
61 * may be used to endorse or promote products derived from this software
62 * without specific prior written permission.
63 *
64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
74 * SUCH DAMAGE.
75 *
76 * @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91
77 */
78
79 /*
80 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$
81 */
82
83 #include <sys/cdefs.h>
84 __KERNEL_RCSID(0, "$NetBSD: core_machdep.c,v 1.6 2019/11/20 19:37:52 pgoyette Exp $");
85
86 #include <sys/param.h>
87 #include <sys/systm.h>
88 #include <sys/proc.h>
89 #include <sys/core.h>
90 #include <sys/exec.h>
91 #include <sys/ptrace.h>
92 #include <sys/compat_stub.h>
93
94 #include <sh3/reg.h>
95
96
97 /*
98 * Dump the machine specific segment at the start of a core dump.
99 */
100 struct md_core {
101 struct reg intreg;
102 };
103
104 int
cpu_coredump(struct lwp * l,struct coredump_iostate * iocookie,struct core * chdr)105 cpu_coredump(struct lwp *l, struct coredump_iostate *iocookie,
106 struct core *chdr)
107 {
108 struct md_core md_core;
109 struct coreseg cseg;
110 int error;
111
112 if (iocookie == NULL) {
113 CORE_SETMAGIC(*chdr, COREMAGIC, MID_MACHINE, 0);
114 chdr->c_hdrsize = ALIGN(sizeof(*chdr));
115 chdr->c_seghdrsize = ALIGN(sizeof(cseg));
116 chdr->c_cpusize = sizeof(md_core);
117 chdr->c_nseg++;
118 return 0;
119 }
120
121 /* Save integer registers. */
122 error = process_read_regs(l, &md_core.intreg);
123 if (error)
124 return error;
125
126 CORE_SETMAGIC(cseg, CORESEGMAGIC, MID_MACHINE, CORE_CPU);
127 cseg.c_addr = 0;
128 cseg.c_size = chdr->c_cpusize;
129
130 MODULE_HOOK_CALL(coredump_write_hook, (iocookie, UIO_SYSSPACE, &cseg,
131 chdr->c_seghdrsize), ENOSYS, error);
132 if (error)
133 return error;
134
135 MODULE_HOOK_CALL(coredump_write_hook, (iocookie, UIO_SYSSPACE, &md_core,
136 sizeof(md_core)), ENOSYS, error);
137
138 return error;
139 }
140