1*266b4a78SMark Johnston /* 2*266b4a78SMark Johnston * CDDL HEADER START 3*266b4a78SMark Johnston * 4*266b4a78SMark Johnston * The contents of this file are subject to the terms of the 5*266b4a78SMark Johnston * Common Development and Distribution License (the "License"). 6*266b4a78SMark Johnston * You may not use this file except in compliance with the License. 7*266b4a78SMark Johnston * 8*266b4a78SMark Johnston * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*266b4a78SMark Johnston * or http://www.opensolaris.org/os/licensing. 10*266b4a78SMark Johnston * See the License for the specific language governing permissions 11*266b4a78SMark Johnston * and limitations under the License. 12*266b4a78SMark Johnston * 13*266b4a78SMark Johnston * When distributing Covered Code, include this CDDL HEADER in each 14*266b4a78SMark Johnston * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*266b4a78SMark Johnston * If applicable, add the following below this CDDL HEADER, with the 16*266b4a78SMark Johnston * fields enclosed by brackets "[]" replaced with your own identifying 17*266b4a78SMark Johnston * information: Portions Copyright [yyyy] [name of copyright owner] 18*266b4a78SMark Johnston * 19*266b4a78SMark Johnston * CDDL HEADER END 20*266b4a78SMark Johnston * 21*266b4a78SMark Johnston * Portions Copyright 2006-2008 John Birrell jb@freebsd.org 22*266b4a78SMark Johnston * 23*266b4a78SMark Johnston * $FreeBSD$ 24*266b4a78SMark Johnston * 25*266b4a78SMark Johnston */ 26*266b4a78SMark Johnston 27*266b4a78SMark Johnston /* 28*266b4a78SMark Johnston * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 29*266b4a78SMark Johnston * Use is subject to license terms. 30*266b4a78SMark Johnston */ 31*266b4a78SMark Johnston 32*266b4a78SMark Johnston #ifndef _FBT_H_ 33*266b4a78SMark Johnston #define _FBT_H_ 34*266b4a78SMark Johnston 35*266b4a78SMark Johnston #include "fbt_isa.h" 36*266b4a78SMark Johnston 37*266b4a78SMark Johnston typedef struct fbt_probe { 38*266b4a78SMark Johnston struct fbt_probe *fbtp_hashnext; 39*266b4a78SMark Johnston fbt_patchval_t *fbtp_patchpoint; 40*266b4a78SMark Johnston int8_t fbtp_rval; 41*266b4a78SMark Johnston fbt_patchval_t fbtp_patchval; 42*266b4a78SMark Johnston fbt_patchval_t fbtp_savedval; 43*266b4a78SMark Johnston uintptr_t fbtp_roffset; 44*266b4a78SMark Johnston dtrace_id_t fbtp_id; 45*266b4a78SMark Johnston const char *fbtp_name; 46*266b4a78SMark Johnston modctl_t *fbtp_ctl; 47*266b4a78SMark Johnston int fbtp_loadcnt; 48*266b4a78SMark Johnston int fbtp_primary; 49*266b4a78SMark Johnston int fbtp_invop_cnt; 50*266b4a78SMark Johnston int fbtp_symindx; 51*266b4a78SMark Johnston struct fbt_probe *fbtp_next; 52*266b4a78SMark Johnston } fbt_probe_t; 53*266b4a78SMark Johnston 54*266b4a78SMark Johnston struct linker_file; 55*266b4a78SMark Johnston struct linker_symval; 56*266b4a78SMark Johnston 57*266b4a78SMark Johnston int fbt_invop(uintptr_t, uintptr_t *, uintptr_t); 58*266b4a78SMark Johnston void fbt_patch_tracepoint(fbt_probe_t *, fbt_patchval_t); 59*266b4a78SMark Johnston int fbt_provide_module_function(struct linker_file *, int, 60*266b4a78SMark Johnston struct linker_symval *, void *); 61*266b4a78SMark Johnston 62*266b4a78SMark Johnston extern dtrace_provider_id_t fbt_id; 63*266b4a78SMark Johnston extern fbt_probe_t **fbt_probetab; 64*266b4a78SMark Johnston extern int fbt_probetab_mask; 65*266b4a78SMark Johnston 66*266b4a78SMark Johnston #define FBT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & fbt_probetab_mask) 67*266b4a78SMark Johnston #define FBT_PROBETAB_SIZE 0x8000 /* 32k entries -- 128K total */ 68*266b4a78SMark Johnston 69*266b4a78SMark Johnston #ifdef MALLOC_DECLARE 70*266b4a78SMark Johnston MALLOC_DECLARE(M_FBT); 71*266b4a78SMark Johnston #endif 72*266b4a78SMark Johnston 73*266b4a78SMark Johnston #endif 74