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 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _DT_XLATOR_H
28#define _DT_XLATOR_H
29
30#pragma ident "%Z%%M% %I% %E% SMI"
31
32#include <libctf.h>
33#include <dtrace.h>
34#include <dt_ident.h>
35#include <dt_list.h>
36
37#ifdef __cplusplus
38extern "C" {
39#endif
40
41struct dt_node;
42
43typedef struct dt_xlator {
44 dt_list_t dx_list; /* list forward/back pointers */
45 dt_idhash_t *dx_locals; /* hash of local scope identifiers */
46 dt_ident_t *dx_ident; /* identifier ref for input param */
47 dt_ident_t dx_souid; /* fake identifier for sou output */
48 dt_ident_t dx_ptrid; /* fake identifier for ptr output */
49 ctf_file_t *dx_src_ctfp; /* CTF container for input type */
50 ctf_id_t dx_src_type; /* CTF reference for input type */
51 ctf_id_t dx_src_base; /* CTF reference for input base */
52 ctf_file_t *dx_dst_ctfp; /* CTF container for output type */
53 ctf_id_t dx_dst_type; /* CTF reference for output type */
54 ctf_id_t dx_dst_base; /* CTF reference for output base */
55 struct dt_node *dx_members; /* list of member translations */
56 uint_t dx_nmembers; /* length of dx_members list */
57 dtrace_difo_t **dx_membdif; /* DIF for member expressions */
58 struct dt_node *dx_nodes; /* list of parse tree nodes */
59 dtrace_hdl_t *dx_hdl; /* back pointer to containing handle */
60 ulong_t dx_gen; /* generation number that created me */
61 id_t dx_id; /* global translator id */
62 int dx_arg; /* dynamic argument index */
63} dt_xlator_t;
64
65extern dt_xlator_t *dt_xlator_create(dtrace_hdl_t *,
66 const dtrace_typeinfo_t *, const dtrace_typeinfo_t *,
67 const char *, struct dt_node *, struct dt_node *);
68
69extern void dt_xlator_destroy(dtrace_hdl_t *, dt_xlator_t *);
70
71#define DT_XLATE_FUZZY 0x0 /* lookup any matching translator */
72#define DT_XLATE_EXACT 0x1 /* lookup only exact type matches */
73#define DT_XLATE_EXTERN 0x2 /* extern translator if none exists */
74
75extern dt_xlator_t *dt_xlator_lookup(dtrace_hdl_t *,
76 struct dt_node *, struct dt_node *, int);
77
78extern dt_xlator_t *dt_xlator_lookup_id(dtrace_hdl_t *, id_t);
79extern dt_ident_t *dt_xlator_ident(dt_xlator_t *, ctf_file_t *, ctf_id_t);
80extern struct dt_node *dt_xlator_member(dt_xlator_t *, const char *);
81extern int dt_xlator_dynamic(const dt_xlator_t *);
82
83#ifdef __cplusplus
84}
85#endif
86
87#endif /* _DT_XLATOR_H */
88