/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* #pragma ident "@(#)sdt.c 1.6 06/03/24 SMI" */ #ifdef KERNEL #ifndef _KERNEL #define _KERNEL /* Solaris vs. Darwin */ #endif #endif #define MACH__POSIX_C_SOURCE_PRIVATE 1 /* pulls in suitable savearea from mach/ppc/thread_status.h */ #include <kern/cpu_data.h> #include <kern/thread.h> #include <mach/thread_status.h> #include <sys/dtrace.h> #include <sys/dtrace_impl.h> #include <sys/dtrace_glue.h> #include <sys/sdt_impl.h> #include <machine/cpu_capabilities.h> extern sdt_probe_t **sdt_probetab; /*ARGSUSED*/ int sdt_invop(uintptr_t addr, uintptr_t *stack, uintptr_t eax) { uint64_t mask = (_cpu_capabilities & k64Bit) ? 0xffffffffffffffffULL : 0x00000000ffffffffULL; #pragma unused(eax) sdt_probe_t *sdt = sdt_probetab[SDT_ADDR2NDX(addr)]; for (; sdt != NULL; sdt = sdt->sdp_hashnext) { if ((uintptr_t)sdt->sdp_patchpoint == addr) { ppc_saved_state_t *regs = (ppc_saved_state_t *)stack; dtrace_probe(sdt->sdp_id, regs->save_r3 & mask, regs->save_r4 & mask, regs->save_r5 & mask, regs->save_r6 & mask, regs->save_r7 & mask); return (DTRACE_INVOP_NOP); } } return (0); }