xref: /titanic_41/usr/src/cmd/mdb/common/modules/libumem/misc.h (revision 2a8d6eba033e4713ab12b61178f0513f1f075482)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_MDBMOD_MISC_H
27 #define	_MDBMOD_MISC_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #include <mdb/mdb_modapi.h>
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 #define	offsetof(s, m)	((size_t)(&(((s *)0)->m)))
38 
39 extern int umem_debug(uintptr_t, uint_t, int, const mdb_arg_t *);
40 
41 extern int umem_set_standalone(void);
42 extern ssize_t umem_lookup_by_name(const char *, GElf_Sym *);
43 extern ssize_t umem_readvar(void *, const char *);
44 
45 /*
46  * Returns non-zero if sym matches libumem*`prefix*
47  */
48 int is_umem_sym(const char *, const char *);
49 
50 #define	dprintf(x) if (umem_debug_level) { \
51 	mdb_printf("umem debug: ");  \
52 	/*CSTYLED*/\
53 	mdb_printf x ;\
54 }
55 
56 #define	dprintf_cont(x) if (umem_debug_level) { \
57 	/*CSTYLED*/\
58 	mdb_printf x ;\
59 }
60 
61 extern int umem_debug_level;
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif	/* _MDBMOD_MISC_H */
68