Mercurial > hg > graal-compiler
view src/share/vm/runtime/dtraceJSDT.hpp @ 954:0f1c19b7a52d
6875619: CTW fails with /hotspot/src/share/vm/opto/type.hpp
Summary: In load_array_length() cast array's type to TypeOopPtr when calling make_ideal_length() method.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 08 Sep 2009 10:42:50 -0700 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
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/* * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class RegisteredProbes; typedef jlong OpaqueProbes; class DTraceJSDT : AllStatic { private: static int pd_activate(void* moduleBaseAddress, jstring module, jint providers_count, JVM_DTraceProvider* providers); static void pd_dispose(int handle); static jboolean pd_is_supported(); public: static OpaqueProbes activate( jint version, jstring module_name, jint providers_count, JVM_DTraceProvider* providers, TRAPS); static jboolean is_probe_enabled(jmethodID method); static void dispose(OpaqueProbes handle); static jboolean is_supported(); }; class RegisteredProbes : public CHeapObj { private: nmethod** _nmethods; // all the probe methods size_t _count; // number of probe methods int _helper_handle; // DTrace-assigned identifier public: RegisteredProbes(size_t count) { _count = count; _nmethods = NEW_C_HEAP_ARRAY(nmethod*, count); } ~RegisteredProbes() { for (size_t i = 0; i < _count; ++i) { // Let the sweeper reclaim it _nmethods[i]->make_not_entrant(); _nmethods[i]->method()->clear_code(); } FREE_C_HEAP_ARRAY(nmethod*, _nmethods); _nmethods = NULL; _count = 0; } static RegisteredProbes* toRegisteredProbes(OpaqueProbes p) { return (RegisteredProbes*)(intptr_t)p; } static OpaqueProbes toOpaqueProbes(RegisteredProbes* p) { return (OpaqueProbes)(intptr_t)p; } void set_helper_handle(int handle) { _helper_handle = handle; } int helper_handle() const { return _helper_handle; } nmethod* nmethod_at(size_t i) { assert(i >= 0 && i < _count, "bad nmethod index"); return _nmethods[i]; } void nmethod_at_put(size_t i, nmethod* nm) { assert(i >= 0 && i < _count, "bad nmethod index"); _nmethods[i] = nm; } };