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/*
* Oracle Linux DTrace.
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_XLATOR_H
#define _DT_XLATOR_H
#include <sys/ctf-api.h>
#include <dtrace.h>
#include <dt_ident.h>
#include <dt_list.h>
#ifdef __cplusplus
extern "C" {
#endif
struct dt_node;
typedef struct dt_xlator {
dt_list_t dx_list; /* list forward/back pointers */
dt_idhash_t *dx_locals; /* hash of local scope identifiers */
dt_ident_t *dx_ident; /* identifier ref for input param */
dt_ident_t dx_souid; /* fake identifier for sou output */
dt_ident_t dx_ptrid; /* fake identifier for ptr output */
ctf_file_t *dx_src_ctfp; /* CTF container for input type */
ctf_id_t dx_src_type; /* CTF reference for input type */
ctf_id_t dx_src_base; /* CTF reference for input base */
ctf_file_t *dx_dst_ctfp; /* CTF container for output type */
ctf_id_t dx_dst_type; /* CTF reference for output type */
ctf_id_t dx_dst_base; /* CTF reference for output base */
struct dt_node *dx_members; /* list of member translations */
uint_t dx_nmembers; /* length of dx_members list */
dtrace_difo_t **dx_membdif; /* DIF for member expressions */
struct dt_node *dx_nodes; /* list of parse tree nodes */
dtrace_hdl_t *dx_hdl; /* back pointer to containing handle */
ulong_t dx_gen; /* generation number that created me */
id_t dx_id; /* global translator id */
int dx_arg; /* dynamic argument index */
} dt_xlator_t;
extern dt_xlator_t *dt_xlator_create(dtrace_hdl_t *,
const dtrace_typeinfo_t *, const dtrace_typeinfo_t *,
const char *, struct dt_node *, struct dt_node *);
extern void dt_xlator_destroy(dtrace_hdl_t *, dt_xlator_t *);
#define DT_XLATE_FUZZY 0x0 /* lookup any matching translator */
#define DT_XLATE_EXACT 0x1 /* lookup only exact type matches */
#define DT_XLATE_EXTERN 0x2 /* extern translator if none exists */
extern dt_xlator_t *dt_xlator_lookup(dtrace_hdl_t *,
struct dt_node *, struct dt_node *, int);
extern dt_xlator_t *dt_xlator_lookup_id(dtrace_hdl_t *, id_t);
extern dt_ident_t *dt_xlator_ident(dt_xlator_t *, ctf_file_t *, ctf_id_t);
extern struct dt_node *dt_xlator_member(dt_xlator_t *, const char *);
extern int dt_xlator_dynamic(const dt_xlator_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_XLATOR_H */
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