Mercurial > hg > truffle
comparison src/share/vm/runtime/dtraceJSDT.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | b8a4e1d372a0 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
65 assert(probe != NULL, "valid probe"); | 65 assert(probe != NULL, "valid probe"); |
66 assert(probe->method != NULL, "valid method"); | 66 assert(probe->method != NULL, "valid method"); |
67 assert(probe->name != NULL, "valid probe name"); | 67 assert(probe->name != NULL, "valid probe name"); |
68 assert(probe->function != NULL, "valid probe function spec"); | 68 assert(probe->function != NULL, "valid probe function spec"); |
69 methodHandle h_method = | 69 methodHandle h_method = |
70 methodHandle(THREAD, JNIHandles::resolve_jmethod_id(probe->method)); | 70 methodHandle(THREAD, Method::resolve_jmethod_id(probe->method)); |
71 nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method); | 71 nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method); |
72 if (nm == NULL) { | 72 if (nm == NULL) { |
73 delete probes; | 73 delete probes; |
74 THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), | 74 THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), |
75 "Unable to register DTrace probes (CodeCache: no room for DTrace nmethods)."); | 75 "Unable to register DTrace probes (CodeCache: no room for DTrace nmethods)."); |
90 probes->set_helper_handle(handle); | 90 probes->set_helper_handle(handle); |
91 return RegisteredProbes::toOpaqueProbes(probes); | 91 return RegisteredProbes::toOpaqueProbes(probes); |
92 } | 92 } |
93 | 93 |
94 jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { | 94 jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { |
95 methodOop m = JNIHandles::resolve_jmethod_id(method); | 95 Method* m = Method::resolve_jmethod_id(method); |
96 return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap(); | 96 return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap(); |
97 } | 97 } |
98 | 98 |
99 void DTraceJSDT::dispose(OpaqueProbes probes) { | 99 void DTraceJSDT::dispose(OpaqueProbes probes) { |
100 RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes); | 100 RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes); |