src/share/vm/prims/perf.cpp

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   1 /*
   2  * Copyright (c) 2001, 2005, 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 /*
  26  *      Implementation of class sun.misc.Perf
  27  */
  28 
  29 #include "incls/_precompiled.incl"
  30 #include "incls/_perf.cpp.incl"
  31 
  32 
  33 #define PERF_ENTRY(result_type, header) \
  34   JVM_ENTRY(result_type, header)
  35 
  36 #define PERF_END JVM_END
  37 
  38 #define PerfWrapper(arg) /* Unimplemented at this time */
  39 
  40 static char* jstr_to_utf(JNIEnv *env, jstring str, TRAPS) {
  41 
  42   char* utfstr = NULL;
  43 
  44   if (str == NULL) {
  45     THROW_0(vmSymbols::java_lang_NullPointerException());
  46     //throw_new(env,"NullPointerException");
  47   }
  48 
  49   int len = env->GetStringUTFLength(str);
  50   int unicode_len = env->GetStringLength(str);
  51 


   1 /*
   2  * Copyright (c) 2001, 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 #include "precompiled.hpp"
  26 #include "classfile/vmSymbols.hpp"
  27 #include "memory/allocation.inline.hpp"
  28 #include "memory/resourceArea.hpp"
  29 #include "oops/oop.inline.hpp"
  30 #include "prims/jni.h"
  31 #include "prims/jvm.h"
  32 #include "runtime/interfaceSupport.hpp"
  33 #include "runtime/perfData.hpp"
  34 #include "runtime/perfMemory.hpp"
  35 
  36 /*
  37  *      Implementation of class sun.misc.Perf
  38  */
  39 



  40 
  41 #define PERF_ENTRY(result_type, header) \
  42   JVM_ENTRY(result_type, header)
  43 
  44 #define PERF_END JVM_END
  45 
  46 #define PerfWrapper(arg) /* Unimplemented at this time */
  47 
  48 static char* jstr_to_utf(JNIEnv *env, jstring str, TRAPS) {
  49 
  50   char* utfstr = NULL;
  51 
  52   if (str == NULL) {
  53     THROW_0(vmSymbols::java_lang_NullPointerException());
  54     //throw_new(env,"NullPointerException");
  55   }
  56 
  57   int len = env->GetStringUTFLength(str);
  58   int unicode_len = env->GetStringLength(str);
  59