src/share/vm/runtime/dtraceJSDT.hpp

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   1 /*
   2  * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 














  25 class RegisteredProbes;
  26 typedef jlong OpaqueProbes;
  27 
  28 class DTraceJSDT : AllStatic {
  29  private:
  30 
  31   static int pd_activate(void* moduleBaseAddress, jstring module,
  32       jint providers_count, JVM_DTraceProvider* providers);
  33   static void pd_dispose(int handle);
  34   static jboolean pd_is_supported();
  35 
  36  public:
  37 
  38   static OpaqueProbes activate(
  39       jint version, jstring module_name, jint providers_count,
  40       JVM_DTraceProvider* providers, TRAPS);
  41   static jboolean is_probe_enabled(jmethodID method);
  42   static void dispose(OpaqueProbes handle);
  43   static jboolean is_supported();
  44 };


  70     return (RegisteredProbes*)(intptr_t)p;
  71   }
  72 
  73   static OpaqueProbes toOpaqueProbes(RegisteredProbes* p) {
  74     return (OpaqueProbes)(intptr_t)p;
  75   }
  76 
  77   void set_helper_handle(int handle) { _helper_handle = handle; }
  78   int helper_handle() const { return _helper_handle; }
  79 
  80   nmethod* nmethod_at(size_t i) {
  81     assert(i >= 0 && i < _count, "bad nmethod index");
  82     return _nmethods[i];
  83   }
  84 
  85   void nmethod_at_put(size_t i, nmethod* nm) {
  86     assert(i >= 0 && i < _count, "bad nmethod index");
  87     _nmethods[i] = nm;
  88   }
  89 };


   1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_DTRACEJSDT_HPP
  26 #define SHARE_VM_RUNTIME_DTRACEJSDT_HPP
  27 
  28 #include "code/nmethod.hpp"
  29 #ifdef TARGET_ARCH_x86
  30 # include "nativeInst_x86.hpp"
  31 #endif
  32 #ifdef TARGET_ARCH_sparc
  33 # include "nativeInst_sparc.hpp"
  34 #endif
  35 #ifdef TARGET_ARCH_zero
  36 # include "nativeInst_zero.hpp"
  37 #endif
  38 
  39 class RegisteredProbes;
  40 typedef jlong OpaqueProbes;
  41 
  42 class DTraceJSDT : AllStatic {
  43  private:
  44 
  45   static int pd_activate(void* moduleBaseAddress, jstring module,
  46       jint providers_count, JVM_DTraceProvider* providers);
  47   static void pd_dispose(int handle);
  48   static jboolean pd_is_supported();
  49 
  50  public:
  51 
  52   static OpaqueProbes activate(
  53       jint version, jstring module_name, jint providers_count,
  54       JVM_DTraceProvider* providers, TRAPS);
  55   static jboolean is_probe_enabled(jmethodID method);
  56   static void dispose(OpaqueProbes handle);
  57   static jboolean is_supported();
  58 };


  84     return (RegisteredProbes*)(intptr_t)p;
  85   }
  86 
  87   static OpaqueProbes toOpaqueProbes(RegisteredProbes* p) {
  88     return (OpaqueProbes)(intptr_t)p;
  89   }
  90 
  91   void set_helper_handle(int handle) { _helper_handle = handle; }
  92   int helper_handle() const { return _helper_handle; }
  93 
  94   nmethod* nmethod_at(size_t i) {
  95     assert(i >= 0 && i < _count, "bad nmethod index");
  96     return _nmethods[i];
  97   }
  98 
  99   void nmethod_at_put(size_t i, nmethod* nm) {
 100     assert(i >= 0 && i < _count, "bad nmethod index");
 101     _nmethods[i] = nm;
 102   }
 103 };
 104 
 105 #endif // SHARE_VM_RUNTIME_DTRACEJSDT_HPP