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 /* 28 * Copyright (c) 2012, Joyent, Inc. All rights reserved. 29 */ 30 31 #ifndef _SYS_SDT_IMPL_H 32 #define _SYS_SDT_IMPL_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <sys/dtrace.h> 39 40 #if defined(__i386) || defined(__amd64) 41 typedef uint8_t sdt_instr_t; 42 #else 43 typedef uint32_t sdt_instr_t; 44 #endif 45 46 typedef struct sdt_provider { 47 char *sdtp_name; /* name of provider */ 48 char *sdtp_prefix; /* prefix for probe names */ 49 dtrace_pattr_t *sdtp_attr; /* stability attributes */ 50 uint32_t sdtp_priv; /* privilege, if any */ 51 dtrace_provider_id_t sdtp_id; /* provider ID */ 52 } sdt_provider_t; 53 54 extern sdt_provider_t sdt_providers[]; /* array of providers */ 55 56 typedef struct sdt_probe { 57 sdt_provider_t *sdp_provider; /* provider */ 58 char *sdp_name; /* name of probe */ 59 int sdp_namelen; /* length of allocated name */ 60 dtrace_id_t sdp_id; /* probe ID */ 61 struct modctl *sdp_ctl; /* modctl for module */ 62 int sdp_loadcnt; /* load count for module */ 63 int sdp_primary; /* non-zero if primary mod */ 64 sdt_instr_t *sdp_patchpoint; /* patch point */ 65 sdt_instr_t sdp_patchval; /* instruction to patch */ 66 sdt_instr_t sdp_savedval; /* saved instruction value */ 67 struct sdt_probe *sdp_next; /* next probe */ 68 struct sdt_probe *sdp_hashnext; /* next on hash */ 69 } sdt_probe_t; 70 71 typedef struct sdt_argdesc { 72 const char *sda_provider; /* provider for arg */ 73 const char *sda_name; /* name of probe */ 74 const int sda_ndx; /* argument index */ 75 const int sda_mapping; /* mapping of argument */ 76 const char *sda_native; /* native type of argument */ 77 const char *sda_xlate; /* translated type of arg */ 78 } sdt_argdesc_t; 79 80 extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *); 81 extern int sdt_mode(void *, dtrace_id_t, void *); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _SYS_SDT_IMPL_H */ 88