xref: /illumos-gate/usr/src/cmd/mdb/common/modules/libumem/misc.h (revision bdfc6d18da790deeec2e0eb09c625902defe2498)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_MDBMOD_MISC_H
28 #define	_MDBMOD_MISC_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <mdb/mdb_modapi.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 #define	offsetof(s, m)	((size_t)(&(((s *)0)->m)))
39 
40 extern int umem_debug(uintptr_t, uint_t, int, const mdb_arg_t *);
41 
42 extern void umem_set_standalone(void);
43 extern ssize_t umem_lookup_by_name(const char *, GElf_Sym *);
44 extern ssize_t umem_readvar(void *, const char *);
45 
46 /*
47  * Returns non-zero if sym matches libumem*`prefix*
48  */
49 int is_umem_sym(const char *, const char *);
50 
51 #define	dprintf(x) if (umem_debug_level) { \
52 	mdb_printf("umem debug: ");  \
53 	/*CSTYLED*/\
54 	mdb_printf x ;\
55 }
56 
57 #define	dprintf_cont(x) if (umem_debug_level) { \
58 	/*CSTYLED*/\
59 	mdb_printf x ;\
60 }
61 
62 extern int umem_debug_level;
63 
64 #ifdef __cplusplus
65 }
66 #endif
67 
68 #endif	/* _MDBMOD_MISC_H */
69