1178479Sjb/* 2178479Sjb * CDDL HEADER START 3178479Sjb * 4178479Sjb * The contents of this file are subject to the terms of the 5178479Sjb * Common Development and Distribution License (the "License"). 6178479Sjb * You may not use this file except in compliance with the License. 7178479Sjb * 8178479Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9178479Sjb * or http://www.opensolaris.org/os/licensing. 10178479Sjb * See the License for the specific language governing permissions 11178479Sjb * and limitations under the License. 12178479Sjb * 13178479Sjb * When distributing Covered Code, include this CDDL HEADER in each 14178479Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15178479Sjb * If applicable, add the following below this CDDL HEADER, with the 16178479Sjb * fields enclosed by brackets "[]" replaced with your own identifying 17178479Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 18178479Sjb * 19178479Sjb * CDDL HEADER END 20178479Sjb */ 21178479Sjb 22178479Sjb/* 23178479Sjb * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24178479Sjb * Use is subject to license terms. 25178479Sjb */ 26178479Sjb 27178479Sjb#ifndef _DT_PROVIDER_H 28178479Sjb#define _DT_PROVIDER_H 29178479Sjb 30178479Sjb#pragma ident "%Z%%M% %I% %E% SMI" 31178479Sjb 32178479Sjb#include <dt_impl.h> 33178479Sjb#include <dt_ident.h> 34178479Sjb#include <dt_list.h> 35178479Sjb 36178479Sjb#ifdef __cplusplus 37178479Sjbextern "C" { 38178479Sjb#endif 39178479Sjb 40178479Sjbtypedef struct dt_provider { 41178479Sjb dt_list_t pv_list; /* list forward/back pointers */ 42178479Sjb struct dt_provider *pv_next; /* pointer to next provider in hash */ 43178479Sjb dtrace_providerdesc_t pv_desc; /* provider name and attributes */ 44178479Sjb dt_idhash_t *pv_probes; /* probe defs (if user-declared) */ 45178479Sjb dt_node_t *pv_nodes; /* parse node allocation list */ 46178479Sjb ulong_t *pv_xrefs; /* translator reference bitmap */ 47178479Sjb ulong_t pv_xrmax; /* number of valid bits in pv_xrefs */ 48178479Sjb ulong_t pv_gen; /* generation # that created me */ 49178479Sjb dtrace_hdl_t *pv_hdl; /* pointer to containing dtrace_hdl */ 50178479Sjb uint_t pv_flags; /* flags (see below) */ 51178479Sjb} dt_provider_t; 52178479Sjb 53178479Sjb#define DT_PROVIDER_INTF 0x1 /* provider interface declaration */ 54178479Sjb#define DT_PROVIDER_IMPL 0x2 /* provider implementation is loaded */ 55178479Sjb 56178479Sjbtypedef struct dt_probe_iter { 57178479Sjb dtrace_probedesc_t pit_desc; /* description storage */ 58178479Sjb dtrace_hdl_t *pit_hdl; /* libdtrace handle */ 59178479Sjb dt_provider_t *pit_pvp; /* current provider */ 60178479Sjb const char *pit_pat; /* caller's name pattern (or NULL) */ 61178479Sjb dtrace_probe_f *pit_func; /* caller's function */ 62178479Sjb void *pit_arg; /* caller's argument */ 63178479Sjb uint_t pit_matches; /* number of matches */ 64178479Sjb} dt_probe_iter_t; 65178479Sjb 66178479Sjbtypedef struct dt_probe_instance { 67178479Sjb char pi_fname[DTRACE_FUNCNAMELEN]; /* function name */ 68178479Sjb char pi_rname[DTRACE_FUNCNAMELEN + 20]; /* mangled relocation name */ 69178479Sjb uint32_t *pi_offs; /* offsets into the function */ 70178479Sjb uint32_t *pi_enoffs; /* is-enabled offsets */ 71178479Sjb uint_t pi_noffs; /* number of offsets */ 72178479Sjb uint_t pi_maxoffs; /* size of pi_offs allocation */ 73178479Sjb uint_t pi_nenoffs; /* number of is-enabled offsets */ 74178479Sjb uint_t pi_maxenoffs; /* size of pi_enoffs allocation */ 75178479Sjb struct dt_probe_instance *pi_next; /* next instance in the list */ 76178479Sjb} dt_probe_instance_t; 77178479Sjb 78178479Sjbtypedef struct dt_probe { 79178479Sjb dt_provider_t *pr_pvp; /* pointer to containing provider */ 80178479Sjb dt_ident_t *pr_ident; /* pointer to probe identifier */ 81178479Sjb const char *pr_name; /* pointer to name component */ 82178479Sjb dt_node_t *pr_nargs; /* native argument list */ 83178479Sjb dt_node_t **pr_nargv; /* native argument vector */ 84178479Sjb uint_t pr_nargc; /* native argument count */ 85178479Sjb dt_node_t *pr_xargs; /* translated argument list */ 86178479Sjb dt_node_t **pr_xargv; /* translated argument vector */ 87178479Sjb uint_t pr_xargc; /* translated argument count */ 88178479Sjb uint8_t *pr_mapping; /* translated argument mapping */ 89178479Sjb dt_probe_instance_t *pr_inst; /* list of functions and offsets */ 90178479Sjb dtrace_typeinfo_t *pr_argv; /* output argument types */ 91178479Sjb int pr_argc; /* output argument count */ 92178479Sjb} dt_probe_t; 93178479Sjb 94178479Sjbextern dt_provider_t *dt_provider_lookup(dtrace_hdl_t *, const char *); 95178479Sjbextern dt_provider_t *dt_provider_create(dtrace_hdl_t *, const char *); 96178479Sjbextern void dt_provider_destroy(dtrace_hdl_t *, dt_provider_t *); 97178479Sjbextern int dt_provider_xref(dtrace_hdl_t *, dt_provider_t *, id_t); 98178479Sjb 99178479Sjbextern dt_probe_t *dt_probe_create(dtrace_hdl_t *, dt_ident_t *, int, 100178479Sjb dt_node_t *, uint_t, dt_node_t *, uint_t); 101178479Sjb 102178479Sjbextern dt_probe_t *dt_probe_info(dtrace_hdl_t *, 103178479Sjb const dtrace_probedesc_t *, dtrace_probeinfo_t *); 104178479Sjb 105178479Sjbextern dt_probe_t *dt_probe_lookup(dt_provider_t *, const char *); 106178479Sjbextern void dt_probe_declare(dt_provider_t *, dt_probe_t *); 107178479Sjbextern void dt_probe_destroy(dt_probe_t *); 108178479Sjb 109178479Sjbextern int dt_probe_define(dt_provider_t *, dt_probe_t *, 110178479Sjb const char *, const char *, uint32_t, int); 111178479Sjb 112178479Sjbextern dt_node_t *dt_probe_tag(dt_probe_t *, uint_t, dt_node_t *); 113178479Sjb 114178479Sjb#ifdef __cplusplus 115178479Sjb} 116178479Sjb#endif 117178479Sjb 118178479Sjb#endif /* _DT_PROVIDER_H */ 119