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 char *sdpd_func; /* APPLE NOTE: function name */ 46 unsigned long sdpd_offset; /* offset of call in text */ 47 struct sdt_probedesc *sdpd_next; /* next static probe */ 48} sdt_probedesc_t; 49 50#ifdef __cplusplus 51} 52#endif 53 54/* #pragma ident "@(#)sdt_impl.h 1.3 05/06/08 SMI" */ 55 56#ifdef __cplusplus 57extern "C" { 58#endif 59 60#include <sys/dtrace.h> 61 62struct module { 63 int sdt_nprobes; 64 sdt_probedesc_t *sdt_probes; 65}; 66 67extern int sdt_invop(uintptr_t, uintptr_t *, uintptr_t); 68extern uint64_t sdt_getarg(void *, dtrace_id_t, void *, int, int); 69 70void sdt_provide_module(void *, struct modctl *); 71void sdt_init(void); 72 73extern int sdt_probetab_size; 74extern int sdt_probetab_mask; 75#define SDT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & sdt_probetab_mask) 76 77 78#if defined(__x86_64__) 79typedef uint8_t sdt_instr_t; 80#else 81#error Unknown implementation 82#endif 83 84typedef struct sdt_provider { 85 const char *sdtp_name; /* name of provider */ 86 const char *sdtp_prefix; /* prefix for probe names */ 87 dtrace_pattr_t *sdtp_attr; /* stability attributes */ 88 dtrace_provider_id_t sdtp_id; /* provider ID */ 89} sdt_provider_t; 90 91extern sdt_provider_t sdt_providers[]; /* array of providers */ 92 93typedef struct sdt_probe { 94 sdt_provider_t *sdp_provider; /* provider */ 95 char *sdp_name; /* name of probe */ 96 int sdp_namelen; /* length of allocated name */ 97 dtrace_id_t sdp_id; /* probe ID */ 98 struct modctl *sdp_ctl; /* modctl for module */ 99 int sdp_loadcnt; /* load count for module */ 100 int sdp_primary; /* non-zero if primary mod */ 101 sdt_instr_t *sdp_patchpoint; /* patch point */ 102 sdt_instr_t sdp_patchval; /* instruction to patch */ 103 sdt_instr_t sdp_savedval; /* saved instruction value */ 104 struct sdt_probe *sdp_next; /* next probe */ 105 struct sdt_probe *sdp_hashnext; /* next on hash */ 106} sdt_probe_t; 107 108typedef struct sdt_argdesc { 109 const char *sda_provider; /* provider for arg */ 110 const char *sda_name; /* name of probe */ 111 const int sda_ndx; /* argument index */ 112 const int sda_mapping; /* mapping of argument */ 113 const char *sda_native; /* native type of argument */ 114 const char *sda_xlate; /* translated type of arg */ 115} sdt_argdesc_t; 116 117extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *); 118 119#ifdef __cplusplus 120} 121#endif 122 123#endif /* _SDT_IMPL_H */ 124