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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _SDT_IMPL_H 28#define _SDT_IMPL_H 29 30/* 31 * This file has been created by splitting up the original DTrace sdt.h 32 * header. Keep the pragma notice here to allow version tracking. 33 */ 34 35/* #pragma ident "@(#)sdt.h 1.7 05/06/08 SMI" */ 36 37#ifdef __cplusplus 38extern "C" { 39#endif 40 41extern const char *sdt_prefix; 42 43typedef struct sdt_probedesc { 44 char *sdpd_name; /* name of this probe */ 45#if defined(__APPLE__) 46 char *sdpd_func; 47#endif /* __APPLE__ */ 48 unsigned long sdpd_offset; /* offset of call in text */ 49 struct sdt_probedesc *sdpd_next; /* next static probe */ 50} sdt_probedesc_t; 51 52#ifdef __cplusplus 53} 54#endif 55 56/* #pragma ident "@(#)sdt_impl.h 1.3 05/06/08 SMI" */ 57 58#ifdef __cplusplus 59extern "C" { 60#endif 61 62#include <sys/dtrace.h> 63 64#if !defined(__APPLE__) 65#if defined(__i386) || defined(__amd64) 66typedef uint8_t sdt_instr_t; 67#else 68typedef uint32_t sdt_instr_t; 69#endif 70#else 71struct module { 72 int sdt_nprobes; 73 sdt_probedesc_t *sdt_probes; 74}; 75 76extern int sdt_invop(uintptr_t, uintptr_t *, uintptr_t); 77#if defined (__APPLE__) 78extern uint64_t sdt_getarg(void *, dtrace_id_t, void *, int, int); 79#endif /* __APPLE__ */ 80 81void sdt_provide_module(void *, struct modctl *); 82void sdt_init(void); 83 84extern int sdt_probetab_size; 85extern int sdt_probetab_mask; 86#define SDT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & sdt_probetab_mask) 87 88 89#if defined(__i386__) || defined(__x86_64__) 90typedef uint8_t sdt_instr_t; 91#else 92#error Unknown implementation 93#endif 94#endif /* __APPLE__ */ 95 96typedef struct sdt_provider { 97 const char *sdtp_name; /* name of provider */ 98 const char *sdtp_prefix; /* prefix for probe names */ 99 dtrace_pattr_t *sdtp_attr; /* stability attributes */ 100 dtrace_provider_id_t sdtp_id; /* provider ID */ 101} sdt_provider_t; 102 103extern sdt_provider_t sdt_providers[]; /* array of providers */ 104 105typedef struct sdt_probe { 106 sdt_provider_t *sdp_provider; /* provider */ 107 char *sdp_name; /* name of probe */ 108 int sdp_namelen; /* length of allocated name */ 109 dtrace_id_t sdp_id; /* probe ID */ 110 struct modctl *sdp_ctl; /* modctl for module */ 111 int sdp_loadcnt; /* load count for module */ 112 int sdp_primary; /* non-zero if primary mod */ 113 sdt_instr_t *sdp_patchpoint; /* patch point */ 114 sdt_instr_t sdp_patchval; /* instruction to patch */ 115 sdt_instr_t sdp_savedval; /* saved instruction value */ 116 struct sdt_probe *sdp_next; /* next probe */ 117 struct sdt_probe *sdp_hashnext; /* next on hash */ 118} sdt_probe_t; 119 120typedef struct sdt_argdesc { 121 const char *sda_provider; /* provider for arg */ 122 const char *sda_name; /* name of probe */ 123 const int sda_ndx; /* argument index */ 124 const int sda_mapping; /* mapping of argument */ 125 const char *sda_native; /* native type of argument */ 126 const char *sda_xlate; /* translated type of arg */ 127} sdt_argdesc_t; 128 129extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *); 130 131#ifdef __cplusplus 132} 133#endif 134 135#endif /* _SDT_IMPL_H */ 136