Sun, 10 Feb 2013 22:35:38 -0800
8006430: TraceTypeProfile is a product flag while it should be a diagnostic flag
Summary: make sure all diagnostic and experimental flag kinds are checked in Flag::is_unlocked()
Reviewed-by: kvn
kamg@551 | 1 | /* |
coleenp@4037 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
kamg@551 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
kamg@551 | 4 | * |
kamg@551 | 5 | * This code is free software; you can redistribute it and/or modify it |
kamg@551 | 6 | * under the terms of the GNU General Public License version 2 only, as |
kamg@551 | 7 | * published by the Free Software Foundation. |
kamg@551 | 8 | * |
kamg@551 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
kamg@551 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
kamg@551 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
kamg@551 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
kamg@551 | 13 | * accompanied this code). |
kamg@551 | 14 | * |
kamg@551 | 15 | * You should have received a copy of the GNU General Public License version |
kamg@551 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
kamg@551 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
kamg@551 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
kamg@551 | 22 | * |
kamg@551 | 23 | */ |
kamg@551 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "classfile/javaClasses.hpp" |
stefank@2314 | 27 | #include "code/codeBlob.hpp" |
stefank@2314 | 28 | #include "memory/allocation.hpp" |
stefank@2314 | 29 | #include "prims/jvm.h" |
stefank@2314 | 30 | #include "runtime/dtraceJSDT.hpp" |
stefank@2314 | 31 | #include "runtime/jniHandles.hpp" |
stefank@2314 | 32 | #include "runtime/os.hpp" |
stefank@2314 | 33 | #include "utilities/exceptions.hpp" |
stefank@2314 | 34 | #include "utilities/globalDefinitions.hpp" |
stefank@2314 | 35 | #include "utilities/utf8.hpp" |
kamg@551 | 36 | |
kamg@551 | 37 | #ifdef HAVE_DTRACE_H |
kamg@551 | 38 | |
kamg@551 | 39 | jlong DTraceJSDT::activate( |
kamg@551 | 40 | jint version, jstring module_name, jint providers_count, |
kamg@551 | 41 | JVM_DTraceProvider* providers, TRAPS) { |
kamg@551 | 42 | |
kamg@551 | 43 | size_t count = 0; |
kamg@551 | 44 | RegisteredProbes* probes = NULL; |
kamg@551 | 45 | |
kamg@551 | 46 | if (!is_supported()) { |
kamg@551 | 47 | return 0; |
kamg@551 | 48 | } |
kamg@551 | 49 | |
kamg@551 | 50 | assert(module_name != NULL, "valid module name"); |
kamg@551 | 51 | assert(providers != NULL, "valid provider array"); |
kamg@551 | 52 | |
kamg@551 | 53 | for (int i = 0; i < providers_count; ++i) { |
kamg@551 | 54 | count += providers[i].probe_count; |
kamg@551 | 55 | } |
kamg@551 | 56 | probes = new RegisteredProbes(count); |
kamg@551 | 57 | count = 0; |
kamg@551 | 58 | |
kamg@551 | 59 | for (int i = 0; i < providers_count; ++i) { |
kamg@551 | 60 | assert(providers[i].name != NULL, "valid provider name"); |
kamg@551 | 61 | assert(providers[i].probe_count == 0 || providers[i].probes != NULL, |
kamg@551 | 62 | "valid probe count"); |
kamg@551 | 63 | for (int j = 0; j < providers[i].probe_count; ++j) { |
kamg@551 | 64 | JVM_DTraceProbe* probe = &(providers[i].probes[j]); |
kamg@551 | 65 | assert(probe != NULL, "valid probe"); |
kamg@551 | 66 | assert(probe->method != NULL, "valid method"); |
kamg@551 | 67 | assert(probe->name != NULL, "valid probe name"); |
kamg@551 | 68 | assert(probe->function != NULL, "valid probe function spec"); |
kamg@551 | 69 | methodHandle h_method = |
coleenp@4037 | 70 | methodHandle(THREAD, Method::resolve_jmethod_id(probe->method)); |
kamg@551 | 71 | nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method); |
kvn@1177 | 72 | if (nm == NULL) { |
kvn@1177 | 73 | delete probes; |
kvn@1177 | 74 | THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), |
kvn@1177 | 75 | "Unable to register DTrace probes (CodeCache: no room for DTrace nmethods)."); |
kvn@1177 | 76 | } |
iveresov@2138 | 77 | h_method()->set_not_compilable(); |
kamg@551 | 78 | h_method()->set_code(h_method, nm); |
kamg@551 | 79 | probes->nmethod_at_put(count++, nm); |
kamg@551 | 80 | } |
kamg@551 | 81 | } |
kamg@551 | 82 | |
kamg@551 | 83 | int handle = pd_activate((void*)probes, |
kamg@551 | 84 | module_name, providers_count, providers); |
kamg@3554 | 85 | if (handle < 0) { |
kamg@551 | 86 | delete probes; |
kamg@551 | 87 | THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), |
kamg@551 | 88 | "Unable to register DTrace probes (internal error)."); |
kamg@551 | 89 | } |
kamg@551 | 90 | probes->set_helper_handle(handle); |
kamg@551 | 91 | return RegisteredProbes::toOpaqueProbes(probes); |
kamg@551 | 92 | } |
kamg@551 | 93 | |
kamg@551 | 94 | jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { |
coleenp@4037 | 95 | Method* m = Method::resolve_jmethod_id(method); |
kamg@551 | 96 | return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap(); |
kamg@551 | 97 | } |
kamg@551 | 98 | |
kamg@551 | 99 | void DTraceJSDT::dispose(OpaqueProbes probes) { |
kamg@551 | 100 | RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes); |
kamg@551 | 101 | if (probes != -1 && p != NULL) { |
kamg@551 | 102 | pd_dispose(p->helper_handle()); |
kamg@551 | 103 | delete p; |
kamg@551 | 104 | } |
kamg@551 | 105 | } |
kamg@551 | 106 | |
kamg@551 | 107 | jboolean DTraceJSDT::is_supported() { |
kamg@551 | 108 | return pd_is_supported(); |
kamg@551 | 109 | } |
kamg@551 | 110 | |
kamg@551 | 111 | #else // HAVE_DTRACE_H |
kamg@551 | 112 | |
kamg@551 | 113 | jlong DTraceJSDT::activate( |
kamg@551 | 114 | jint version, jstring module_name, jint providers_count, |
kamg@551 | 115 | JVM_DTraceProvider* providers, TRAPS) { |
kamg@551 | 116 | return 0; |
kamg@551 | 117 | } |
kamg@551 | 118 | |
kamg@551 | 119 | jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { |
kamg@551 | 120 | return false; |
kamg@551 | 121 | } |
kamg@551 | 122 | |
kamg@551 | 123 | void DTraceJSDT::dispose(OpaqueProbes probes) { |
kamg@551 | 124 | return; |
kamg@551 | 125 | } |
kamg@551 | 126 | |
kamg@551 | 127 | jboolean DTraceJSDT::is_supported() { |
kamg@551 | 128 | return false; |
kamg@551 | 129 | } |
kamg@551 | 130 | |
kamg@551 | 131 | #endif // ndef HAVE_DTRACE_H |