xref: /illumos-gate/usr/src/lib/libdisasm/common/libdisasm_impl.h (revision c5bab7026b8e0ac44b25ee08507ea360f177d844)
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  * Copyright 2012 Joshua M. Clulow <josh@sysmgr.org>
26  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
27  */
28 
29 #ifndef	_LIBDISASM_IMPL_H
30 #define	_LIBDISASM_IMPL_H
31 
32 #include <stdarg.h>
33 #include <sys/sysmacros.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 typedef struct dis_arch {
40 	int (*da_supports_flags)(int);
41 	int (*da_handle_attach)(dis_handle_t *);
42 	void (*da_handle_detach)(dis_handle_t *);
43 	int (*da_disassemble)(dis_handle_t *, uint64_t, char *, size_t);
44 	uint64_t (*da_previnstr)(dis_handle_t *, uint64_t, int n);
45 	int (*da_min_instrlen)(dis_handle_t *);
46 	int (*da_max_instrlen)(dis_handle_t *);
47 	int (*da_instrlen)(dis_handle_t *, uint64_t);
48 } dis_arch_t;
49 
50 struct dis_handle {
51 	void		*dh_data;
52 	int		dh_flags;
53 	dis_lookup_f	dh_lookup;
54 	dis_read_f	dh_read;
55 	uint64_t	dh_addr;
56 
57 	dis_arch_t	*dh_arch;
58 	void		*dh_arch_private;
59 };
60 
61 extern int dis_seterrno(int);
62 
63 extern void *dis_zalloc(size_t);
64 extern void dis_free(void *, size_t);
65 extern int dis_vsnprintf(char *restrict, size_t, const char *restrict, va_list);
66 extern int dis_snprintf(char *restrict, size_t, const char *restrict, ...);
67 
68 #ifdef	__cplusplus
69 }
70 #endif
71 
72 #endif	/* _LIBDISASM_IMPL_H */
73