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Java example source code file (jvmtiEnter.xsl)

This example Java source code file (jvmtiEnter.xsl) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

general, include_jvmti, jvmti, jvmti_error_invalid_class, jvmti_error_wrong_phase, jvmtitrace\:\:show_in, jvmtiutil::error_name, license, null, public, this, thread, thread\*, trace

The jvmtiEnter.xsl Java example source code

<?xml version="1.0"?> 
<!--
 Copyright (c) 2002, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 or visit www.oracle.com if you need additional information or have any
 questions.
  
-->

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

<xsl:import href="jvmtiLib.xsl"/>

<xsl:output method="text" indent="no" omit-xml-declaration="yes"/>

<xsl:param name="trace">
<xsl:param name="interface">


<xsl:template match="specification">
  <xsl:call-template name="sourceHeader"/>
  <xsl:text>
# include "precompiled.hpp"
# include "utilities/macros.hpp"
#if INCLUDE_JVMTI
# include "prims/jvmtiEnter.hpp"
# include "prims/jvmtiRawMonitor.hpp"
# include "prims/jvmtiUtil.hpp"

</xsl:text>

  <xsl:if test="$trace = 'Trace'">
   <xsl:text>
#ifdef JVMTI_TRACE
</xsl:text>
  </xsl:if>

 <xsl:if test="$trace != 'Trace'">
    <xsl:text>

// Error names
const char* JvmtiUtil::_error_names[] = {
</xsl:text>
    <xsl:call-template name="fillEntityName"> 
      <xsl:with-param name="entities" select="errorsection/errorcategory/errorid"/>
    </xsl:call-template>
    <xsl:text>
};


// Event threaded
const bool JvmtiUtil::_event_threaded[] = {
</xsl:text>
    <xsl:call-template name="fillEventThreaded"> 
      <xsl:with-param name="entities" select="eventsection/event"/>
    </xsl:call-template>
    <xsl:text>
};

</xsl:text>
    <xsl:call-template name="eventCapabilitiesTest"/>
 </xsl:if>

 <xsl:if test="$trace = 'Trace'">

<!--  all this just to return the highest event number -->
  <xsl:variable name="maxEvent">
    <xsl:for-each select="eventsection/event">
      <xsl:variable name="mynum" select="@num"/>
      <xsl:if test="count(../../eventsection/event[@num > $mynum]) = 0">
        <xsl:value-of select="@num"/>
      </xsl:if>
    </xsl:for-each>    
  </xsl:variable>

  <xsl:text>jbyte JvmtiTrace::_event_trace_flags[
  <xsl:value-of select="1+$maxEvent"/>
  <xsl:text>];

jint JvmtiTrace::_max_event_index = </xsl:text>
  <xsl:value-of select="$maxEvent"/>
  <xsl:text>;

// Event names
const char* JvmtiTrace::_event_names[] = {
</xsl:text>
    <xsl:call-template name="fillEntityName"> 
      <xsl:with-param name="entities" select="eventsection/event"/>
    </xsl:call-template>
    <xsl:text>
};
</xsl:text>
    <xsl:apply-templates select="//constants[@kind='enum']"/>
  </xsl:if>
  <xsl:apply-templates select="functionsection"/>

  <xsl:if test="$trace='Trace'">
   <xsl:text>
#endif /*JVMTI_TRACE */
</xsl:text>
  </xsl:if>

</xsl:template>

<xsl:template match="constants">
  <xsl:text>

// </xsl:text>
  <xsl:value-of select="@label"/>
  <xsl:text> names
const char* </xsl:text>
  <xsl:value-of select="@id"/>
  <xsl:text>ConstantNames[] = {
</xsl:text>
  <xsl:apply-templates select="constant" mode="constname"/>
  <xsl:text>  NULL
};

// </xsl:text>
  <xsl:value-of select="@label"/>
  <xsl:text> value
jint </xsl:text>
  <xsl:value-of select="@id"/>
  <xsl:text>ConstantValues[] = {
</xsl:text>
  <xsl:apply-templates select="constant" mode="constvalue"/>
  <xsl:text>  0
};

</xsl:text>
</xsl:template>

<xsl:template match="constant" mode="constname">
  <xsl:text>  "
  <xsl:value-of select="@id"/>
  <xsl:text>",
</xsl:text>
</xsl:template>

<xsl:template match="constant" mode="constvalue">
  <xsl:text>  
  <xsl:value-of select="@num"/>
  <xsl:text>,
</xsl:text>
</xsl:template>

<xsl:template name="eventCapabilitiesTest">
  <xsl:text>

// Check Event Capabilities
const bool JvmtiUtil::has_event_capability(jvmtiEvent event_type, const jvmtiCapabilities* capabilities_ptr) {
  switch (event_type) {
</xsl:text>
  <xsl:for-each select="//eventsection/event">
    <xsl:variable name="capa" select="capabilities/required"/>
    <xsl:if test="count($capa)">
        <xsl:text>    case 
        <xsl:value-of select="@const"/>
        <xsl:text>:
      return capabilities_ptr-></xsl:text>
        <xsl:value-of select="$capa/@id"/>
        <xsl:text> != 0;
</xsl:text>
    </xsl:if>
  </xsl:for-each>
  <xsl:text>  }
  // if it does not have a capability it is required
  return JNI_TRUE;
}

</xsl:text>
</xsl:template>

<xsl:template match="functionsection">
  <xsl:if test="$trace='Trace'">

<!--  all this just to return the highest function number -->
  <xsl:variable name="maxFunction">
    <xsl:for-each select="category/function">
      <xsl:variable name="mynum" select="@num"/>
      <xsl:if test="count(../../category/function[@num > $mynum]) = 0">
        <xsl:value-of select="@num"/>
      </xsl:if>
    </xsl:for-each>    
  </xsl:variable>

  <xsl:text>jbyte JvmtiTrace::_trace_flags[
  <xsl:value-of select="1+$maxFunction"/>
  <xsl:text>];

jint JvmtiTrace::_max_function_index = </xsl:text>
  <xsl:value-of select="$maxFunction"/>
  <xsl:text>;

// Function names
const char* JvmtiTrace::_function_names[] = {
</xsl:text>
  <xsl:call-template name="fillEntityName">
    <xsl:with-param name="entities" select="category/function"/>
  </xsl:call-template>
  <xsl:text>
};

// Exclude list
short JvmtiTrace::_exclude_functions[] = {
  </xsl:text>
  <xsl:apply-templates select="category/function" mode="notrace">
    <xsl:sort select="@num"/>
  </xsl:apply-templates>
  <xsl:text>0
};

</xsl:text>
  </xsl:if>

  <xsl:text>
extern "C" {

</xsl:text>
  <xsl:apply-templates select="category" mode="wrapper"/>
  <xsl:text>
} /* end extern "C" */

// JVMTI API functions
struct jvmtiInterface_1_ jvmti</xsl:text>
  <xsl:value-of select="$trace"/>
  <xsl:text>_Interface = {
</xsl:text>
 
  <xsl:call-template name="fillFuncStruct">
    <xsl:with-param name="funcs" select="category/function[count(@hide)=0]"/>
  </xsl:call-template>

  <xsl:text>
};
#endif // INCLUDE_JVMTI
</xsl:text>
</xsl:template>

<xsl:template match="function" mode="functionid">
  <xsl:text>jvmti
  <xsl:value-of select="$trace"/>
  <xsl:text>_
  <xsl:value-of select="@id"/>
</xsl:template>

<xsl:template name="fillFuncStructDoit">
  <xsl:param name="func"/>
  <xsl:param name="index"/>
  <xsl:text>                              /* 
  <xsl:number value="$index" format="  1"/>
  <xsl:text> : 
  <xsl:choose>
    <xsl:when test="count($func)=1">
      <xsl:value-of select="$func/synopsis"/>
      <xsl:text> */
      </xsl:text>
      <xsl:apply-templates select="$func" mode="functionid"/>
    </xsl:when>
    <xsl:otherwise>
      <xsl:text> RESERVED */
      NULL</xsl:text>        
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<!-- generic function iterator applied to the function structure -->
<xsl:template name="fillFuncStruct">
  <xsl:param name="funcs"/>
  <xsl:param name="index" select="1"/>
  <xsl:call-template name="fillFuncStructDoit">
    <xsl:with-param name="func" select="$funcs[@num=$index]"/>
    <xsl:with-param name="index" select="$index"/>
  </xsl:call-template>
  <xsl:if test="count($funcs[@num > $index]) > 0">
    <xsl:text>,
</xsl:text>
    <xsl:call-template name="fillFuncStruct">
      <xsl:with-param name="funcs" select="$funcs"/>
      <xsl:with-param name="index" select="1+$index"/>
    </xsl:call-template>
  </xsl:if>
</xsl:template>

<xsl:template name="fillEntityNameDoit">
  <xsl:param name="entity"/>
  <xsl:param name="index"/>
  <xsl:choose>
    <xsl:when test="count($entity) > 0">
      <xsl:text>  "
      <xsl:value-of select="$entity[position()=1]/@id"/>
      <xsl:text>"
    </xsl:when>
    <xsl:otherwise>
      <xsl:text>  NULL        
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<!-- generic entity (with id and num) iterator applied to entity names -->
<xsl:template name="fillEntityName">
  <xsl:param name="entities"/>
  <xsl:param name="index" select="0"/>
  <xsl:call-template name="fillEntityNameDoit">
    <xsl:with-param name="entity" select="$entities[@num=$index]"/>
    <xsl:with-param name="index" select="$index"/>
  </xsl:call-template>
  <xsl:if test="count($entities[@num > $index]) > 0">
    <xsl:text>,
</xsl:text>
    <xsl:call-template name="fillEntityName">
      <xsl:with-param name="entities" select="$entities"/>
      <xsl:with-param name="index" select="1+$index"/>
    </xsl:call-template>
  </xsl:if>
</xsl:template>

<xsl:template name="fillEventThreadedDoit">
  <xsl:param name="entity"/>
  <xsl:param name="index"/>
  <xsl:choose>
    <xsl:when test="count($entity) > 0">
      <xsl:choose>
        <xsl:when test="count($entity[position()=1]/@filtered)=0">
          <xsl:text>  false
        </xsl:when>
        <xsl:otherwise>
          <xsl:text>  true        
        </xsl:otherwise>
      </xsl:choose>
    </xsl:when>
    <xsl:otherwise>
      <xsl:text>  false        
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>


<xsl:template name="fillEventThreaded">
  <xsl:param name="entities"/>
  <xsl:param name="index" select="0"/>
  <xsl:call-template name="fillEventThreadedDoit">
    <xsl:with-param name="entity" select="$entities[@num=$index]"/>
    <xsl:with-param name="index" select="$index"/>
  </xsl:call-template>
  <xsl:if test="count($entities[@num > $index]) > 0">
    <xsl:text>,
</xsl:text>
    <xsl:call-template name="fillEventThreaded">
      <xsl:with-param name="entities" select="$entities"/>
      <xsl:with-param name="index" select="1+$index"/>
    </xsl:call-template>
  </xsl:if>
</xsl:template>

<xsl:template match="function" mode="notrace">
  <xsl:if test="count(@impl)=1 and contains(@impl,'notrace')">
    <xsl:value-of select="@num"/>
    <xsl:text>,
  </xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="category" mode="wrapper">
  <xsl:text>
  //
  // </xsl:text> functions
  // 
</xsl:text>
  <xsl:apply-templates select="function[count(@hide)=0]"/>
</xsl:template>

<xsl:template match="function" mode="transition">
  <xsl:param name="space">
    <xsl:text>
  </xsl:text>
  </xsl:param>
  <xsl:value-of select="$space"/>
  
  <xsl:choose> 
    <xsl:when test="count(@callbacksafe)=0 or not(contains(@callbacksafe,'safe'))">
      <xsl:text>if (this_thread == NULL || !this_thread->is_Java_thread()) { 
    </xsl:when> 
    <xsl:otherwise> 
      <xsl:choose>
        <xsl:when test="count(@phase)=0 or contains(@phase,'live') or contains(@phase,'start')">
	  <xsl:text>if (this_thread == NULL || (!this_thread->is_Java_thread() && !this_thread->is_VM_thread())) {
        </xsl:when>
        <xsl:otherwise>
          <xsl:text>if (!this_thread->is_Java_thread()) { 
        </xsl:otherwise>
      </xsl:choose>
     </xsl:otherwise> 
  </xsl:choose> 
  
  <xsl:if test="$trace='Trace'">
    <xsl:value-of select="$space"/>
    <xsl:text>  if (trace_flags) {
    <xsl:value-of select="$space"/>
    <xsl:text>    tty->print_cr("JVMTI [non-attached thread] %s %s",  func_name,
    <xsl:value-of select="$space"/>
    <xsl:text>    JvmtiUtil::error_name(JVMTI_ERROR_UNATTACHED_THREAD));
    <xsl:value-of select="$space"/>
    <xsl:text>  }
  </xsl:if>
  <xsl:value-of select="$space"/>
  <xsl:text>  return JVMTI_ERROR_UNATTACHED_THREAD;
  <xsl:value-of select="$space"/>
  <xsl:text>}  
  <xsl:value-of select="$space"/>  
  <xsl:if test="count(@impl)=0 or not(contains(@impl,'innative'))">
    <xsl:text>JavaThread* current_thread = (JavaThread*)this_thread;   
    <xsl:value-of select="$space"/>
    <xsl:text>ThreadInVMfromNative __tiv(current_thread);
    <xsl:value-of select="$space"/>
    <xsl:text>VM_ENTRY_BASE(jvmtiError, 
    <xsl:apply-templates select="." mode="functionid"/>
    <xsl:text> , current_thread)
    <xsl:value-of select="$space"/>
    <xsl:text>debug_only(VMNativeEntryWrapper __vew;)
    <xsl:if test="count(@callbacksafe)=0 or not(contains(@callbacksafe,'safe'))">
      <xsl:value-of select="$space"/>
      <xsl:text>CautiouslyPreserveExceptionMark __em(this_thread);
    </xsl:if>
  </xsl:if>
</xsl:template>


<xsl:template match="required">
  <xsl:text>
  if (jvmti_env->get_capabilities()-></xsl:text>
    <xsl:value-of select="@id"/>
    <xsl:text> == 0) {
</xsl:text>
    <xsl:if test="$trace='Trace'">
      <xsl:text>    if (trace_flags) {
          tty->print_cr("JVMTI [%s] %s %s",  curr_thread_name, func_name, 
                    JvmtiUtil::error_name(JVMTI_ERROR_MUST_POSSESS_CAPABILITY));
    }
</xsl:text>
    </xsl:if>
    <xsl:text>    return JVMTI_ERROR_MUST_POSSESS_CAPABILITY;
  }
</xsl:text>
</xsl:template>


<xsl:template match="function">
  <xsl:text>
static jvmtiError JNICALL
</xsl:text>
  <xsl:apply-templates select="." mode="functionid"/>
  <xsl:text>(jvmtiEnv* env
  <xsl:apply-templates select="parameters" mode="signature"/>
  <xsl:text>) {
</xsl:text>

  <xsl:if test="not(contains(@jkernel,'yes'))">
  <xsl:text>
#if !INCLUDE_JVMTI 

  <xsl:text>  return JVMTI_ERROR_NOT_AVAILABLE; 

  <xsl:text>#else 

  </xsl:if>

  <xsl:apply-templates select="." mode="traceSetUp"/>
  <xsl:choose>
    <xsl:when test="count(@phase)=0 or contains(@phase,'live')">
      <xsl:text>  if(!JvmtiEnv::is_vm_live()) {
</xsl:text>
    <xsl:if test="$trace='Trace'">
      <xsl:text>    if (trace_flags) {
          tty->print_cr("JVMTI [-] %s %s",  func_name, 
                    JvmtiUtil::error_name(JVMTI_ERROR_WRONG_PHASE));
    }
</xsl:text>
    </xsl:if>
    <xsl:text>    return JVMTI_ERROR_WRONG_PHASE;
  }</xsl:text>  

      <xsl:text>  
  Thread* this_thread = (Thread*)ThreadLocalStorage::thread(); </xsl:text>

      <xsl:apply-templates select="." mode="transition"/>
    </xsl:when>
    <xsl:otherwise>
      <xsl:if test="contains(@phase,'onload')">
        <xsl:text>  if(JvmtiEnv::get_phase()!=JVMTI_PHASE_ONLOAD
        <xsl:if test="not(contains(@phase,'onloadOnly'))">
          <xsl:text> && JvmtiEnv::get_phase()!=JVMTI_PHASE_LIVE
        </xsl:if>
        <xsl:text>) {
</xsl:text>
    <xsl:if test="$trace='Trace'">
      <xsl:text>    if (trace_flags) {
          tty->print_cr("JVMTI [-] %s %s",  func_name, 
                    JvmtiUtil::error_name(JVMTI_ERROR_WRONG_PHASE));
    }
</xsl:text>
    </xsl:if>
    <xsl:text>    return JVMTI_ERROR_WRONG_PHASE;
  }</xsl:text>
      </xsl:if>
      <xsl:if test="contains(@phase,'start')">
        <xsl:text>  if(JvmtiEnv::get_phase()!=JVMTI_PHASE_START && JvmtiEnv::get_phase()!=JVMTI_PHASE_LIVE) {
</xsl:text>
    <xsl:if test="$trace='Trace'">
      <xsl:text>    if (trace_flags) {
          tty->print_cr("JVMTI [-] %s %s",  func_name, 
                    JvmtiUtil::error_name(JVMTI_ERROR_WRONG_PHASE));
    }
</xsl:text>
    </xsl:if>
    <xsl:text>    return JVMTI_ERROR_WRONG_PHASE;
  }
  Thread* this_thread = (Thread*)ThreadLocalStorage::thread(); </xsl:text>
      <xsl:apply-templates select="." mode="transition"/>
      </xsl:if>
    </xsl:otherwise>
  </xsl:choose>

  <xsl:text>
  JvmtiEnv* jvmti_env = JvmtiEnv::JvmtiEnv_from_jvmti_env(env);
  if (!jvmti_env->is_valid()) {
</xsl:text>
    <xsl:if test="$trace='Trace'">
      <xsl:text>    if (trace_flags) {
          tty->print_cr("JVMTI [%s] %s %s  env=%d",  curr_thread_name, func_name, 
                    JvmtiUtil::error_name(JVMTI_ERROR_INVALID_ENVIRONMENT), env);
    }
</xsl:text>
    </xsl:if>
    <xsl:text>    return JVMTI_ERROR_INVALID_ENVIRONMENT;
  }
</xsl:text>

  <xsl:apply-templates select="capabilities/required"/>
  
  <xsl:text>  jvmtiError err;
</xsl:text>
  <xsl:choose>
    <xsl:when test="count(@phase)=1 and not(contains(@phase,'live')) and not(contains(@phase,'start'))">    
      <xsl:choose>
        <xsl:when test="count(@callbacksafe)=0 or not(contains(@callbacksafe,'safe'))">
          <xsl:text>  if (Threads::number_of_threads() != 0) {
    Thread* this_thread = (Thread*)ThreadLocalStorage::thread();</xsl:text>
        </xsl:when>
        <xsl:otherwise>

	  <xsl:text>  Thread* this_thread = NULL;
  bool transition;
  if (Threads::number_of_threads() == 0) {
    transition = false;
  } else {
    this_thread = (Thread*)ThreadLocalStorage::thread();
    transition = ((this_thread != NULL) && !this_thread->is_VM_thread() && !this_thread->is_ConcurrentGC_thread());
  }
  if (transition) {</xsl:text>
	</xsl:otherwise>

      </xsl:choose>
      <!-- we allow use in early phases but there are threads now, -->
      <!-- so do thread transition -->
      <xsl:apply-templates select="." mode="transition">
          <xsl:with-param name="space">
            <xsl:text>
    </xsl:text>
          </xsl:with-param>
      </xsl:apply-templates>
      <xsl:text>
  </xsl:text>
      <xsl:apply-templates select="." mode="doCall"/>     
      <xsl:text>  } else {
  </xsl:text>
      <!-- we are pre-thread - no thread transition code -->
      <xsl:apply-templates select="." mode="doCall"/>     
      <xsl:text>  }
</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:apply-templates select="." mode="doCall"/>      
    </xsl:otherwise>
  </xsl:choose>
  <xsl:text>  return err;
</xsl:text>

  <xsl:if test="not(contains(@jkernel,'yes'))">
  <xsl:text>#endif // INCLUDE_JVMTI

  </xsl:if>

  <xsl:text>}

</xsl:template>

<xsl:template match="function" mode="doCall">
  <xsl:apply-templates select="parameters" mode="dochecks"/>
  <xsl:apply-templates select="." mode="traceBefore"/>  
  <xsl:apply-templates select="." mode="genCall"/>
  <xsl:apply-templates select="." mode="traceAfter"/>
</xsl:template>

<xsl:template match="function" mode="genCall">
  <xsl:text>  err = jvmti_env->
  <xsl:value-of select="@id"/>
  <xsl:text>(
  <xsl:apply-templates select="parameters" mode="HotSpotValue"/>
  <xsl:text>);
</xsl:text>
</xsl:template>


<xsl:template match="function" mode="traceSetUp">
  <xsl:if test="$trace='Trace'">
    <xsl:text>  SafeResourceMark rm;
  jint trace_flags = JvmtiTrace::trace_flags(</xsl:text>
      <xsl:value-of select="@num"/>
      <xsl:text>);
  const char *func_name;
  const char *curr_thread_name;
  if (trace_flags) {
    func_name = JvmtiTrace::function_name(</xsl:text>
      <xsl:value-of select="@num"/>
      <xsl:text>);
    curr_thread_name = JvmtiTrace::safe_get_current_thread_name();
  }
</xsl:text>
  </xsl:if>
</xsl:template>


<xsl:template match="function" mode="traceBefore">
  <xsl:if test="$trace='Trace'">
    <xsl:text>
  if ((trace_flags & JvmtiTrace::SHOW_IN) != 0) {
    </xsl:text>
    <xsl:apply-templates select="." mode="traceIn"/>
    <xsl:text>  }
</xsl:text>
  </xsl:if>
</xsl:template>


<xsl:template match="param" mode="traceError">
  <xsl:param name="err"/>
  <xsl:param name="comment">
  <xsl:param name="extraValue">
  <xsl:if test="$trace='Trace'">
  <xsl:text>      if ((trace_flags & JvmtiTrace::SHOW_ERROR) != 0) {
        if ((trace_flags & JvmtiTrace::SHOW_IN) == 0) {
</xsl:text>
  <xsl:apply-templates select="../.." mode="traceIn">
    <xsl:with-param name="endParam" select="."/>
  </xsl:apply-templates>
  <xsl:text>      }
        tty->print_cr("JVMTI [%s] %s } %s - erroneous arg is </xsl:text>
    <xsl:value-of select="@id"/>
    <xsl:value-of select="$comment"/>
    <xsl:text>",  curr_thread_name, func_name, 
                  JvmtiUtil::error_name(</xsl:text>
    <xsl:value-of select="$err"/>
    <xsl:text>)
    <xsl:value-of select="$extraValue"/>
    <xsl:text>);
      }
</xsl:text>
  </xsl:if>
    <xsl:text>      return 
    <xsl:value-of select="$err"/>
    <xsl:text>;
</xsl:template>


<xsl:template match="function" mode="traceAfter">
  <xsl:if test="$trace='Trace'">
    <xsl:text>  if ( err != JVMTI_ERROR_NONE && (trace_flags & JvmtiTrace::SHOW_ERROR) != 0) {
      if ((trace_flags & JvmtiTrace::SHOW_IN) == 0) {
</xsl:text>
    <xsl:apply-templates select="." mode="traceIn"/>
    <xsl:text>    }
    tty->print_cr("JVMTI [%s] %s } %s",  curr_thread_name, func_name, 
                  JvmtiUtil::error_name(err));
  } else if ((trace_flags & JvmtiTrace::SHOW_OUT) != 0) {
    tty->print_cr("JVMTI [%s] %s }",  curr_thread_name, func_name);
  }
</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="function" mode="traceIn">
  <xsl:param name="endParam">
  <xsl:text>          tty->print_cr("JVMTI [%s] %s { 
  <xsl:apply-templates select="parameters" mode="traceInFormat">
    <xsl:with-param name="endParam" select="$endParam"/>    
  </xsl:apply-templates>
  <xsl:text>", curr_thread_name, func_name
  <xsl:apply-templates select="parameters" mode="traceInValue">
    <xsl:with-param name="endParam" select="$endParam"/>    
  </xsl:apply-templates>
  <xsl:text>);
</xsl:text>
</xsl:template>

<xsl:template match="parameters" mode="dochecks">
  <xsl:apply-templates select="param" mode="dochecks"/>
</xsl:template>

<xsl:template match="param" mode="dochecks">
  <xsl:apply-templates select="child::*[position()=1]" mode="dochecks">
    <xsl:with-param name="name" select="@id"/>
  </xsl:apply-templates>
</xsl:template>

<xsl:template match="outptr|outbuf|allocfieldbuf|ptrtype|inptr|inbuf|vmbuf|allocbuf|agentbuf|allocallocbuf" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:if test="count(nullok)=0">
    <xsl:text>  if (
    <xsl:value-of select="$name"/>
    <xsl:text> == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_NULL_POINTER
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="jrawMonitorID" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:text>  JvmtiRawMonitor *rmonitor = (JvmtiRawMonitor *)
  <xsl:value-of select="$name"/>
  <xsl:text>;
  if (rmonitor == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_MONITOR
      <xsl:with-param name="comment"> - raw monitor is NULL
    </xsl:apply-templates>
    <xsl:text>
  }
  if (!rmonitor->is_valid()) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_MONITOR
      <xsl:with-param name="comment"> - not a raw monitor 0x%x
      <xsl:with-param name="extraValue">, rmonitor
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
</xsl:template>

<xsl:template match="jthread" mode="dochecksbody">
  <xsl:param name="name"/>
    <xsl:text>    oop thread_oop = JNIHandles::resolve_external_guard(
    <xsl:value-of select="$name"/>
    <xsl:text>);
    if (thread_oop == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_THREAD
      <xsl:with-param name="comment"> - jthread resolved to NULL - jthread = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
    }
    if (!thread_oop->is_a(SystemDictionary::Thread_klass())) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_THREAD
      <xsl:with-param name="comment"> - oop is not a thread - jthread = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
    }
    java_thread = java_lang_Thread::thread(thread_oop); 
    if (java_thread == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">
        <xsl:text>JVMTI_ERROR_THREAD_NOT_ALIVE
      </xsl:with-param>
      <xsl:with-param name="comment"> - not a Java thread - jthread = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
    }
</xsl:text>  
</xsl:template>

<xsl:template match="jthread" mode="dochecks">
  <xsl:param name="name"/>
  <!-- If we convert and test threads -->
  <xsl:if test="count(@impl)=0 or not(contains(@impl,'noconvert'))">
    <xsl:text>  JavaThread* java_thread;
</xsl:text>
    <xsl:choose>
      <xsl:when test="count(@null)=0">
        <xsl:apply-templates select="." mode="dochecksbody">
          <xsl:with-param name="name" select="$name"/>
        </xsl:apply-templates>
      </xsl:when>
      <xsl:otherwise>
        <xsl:text>  if (
        <xsl:value-of select="$name"/>
        <xsl:text> == NULL) {
    java_thread = current_thread;
  } else {
</xsl:text>
        <xsl:apply-templates select="." mode="dochecksbody">
          <xsl:with-param name="name" select="$name"/>
        </xsl:apply-templates>
        <xsl:text>  }
</xsl:text>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:if>
</xsl:template>

<xsl:template match="jframeID" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:text>
  if (depth < 0) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_ILLEGAL_ARGUMENT
      <xsl:with-param name="comment"> - negative depth - jthread = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
</xsl:template>

<xsl:template match="jclass" mode="dochecks">
 <xsl:param name="name"/>
 <!-- for JVMTI a jclass/jmethodID becomes just jmethodID -->
 <xsl:if test="count(@method)=0">
  <xsl:text>  oop k_mirror = JNIHandles::resolve_external_guard(  
  <xsl:value-of select="$name"/>
  <xsl:text>);
  if (k_mirror == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_CLASS
      <xsl:with-param name="comment"> - resolved to NULL - jclass = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
  }
  if (!k_mirror->is_a(SystemDictionary::Class_klass())) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_CLASS
      <xsl:with-param name="comment"> - not a class - jclass = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
  <xsl:if test="count(@method|@field)=1">
    <xsl:text>
  if (java_lang_Class::is_primitive(k_mirror)) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_CLASS
      <xsl:with-param name="comment"> - is a primitive class - jclass = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
  }
  Klass* k_oop = java_lang_Class::as_Klass(k_mirror);
  if (k_oop == NULL) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_INVALID_CLASS
      <xsl:with-param name="comment"> - no Klass* - jclass = 0x%x
      <xsl:with-param name="extraValue">, 
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
  </xsl:if>
 </xsl:if>
</xsl:template>


<xsl:template match="jmethodID" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:text>  Method* method_oop = Method::checked_resolve_jmethod_id(
  <xsl:value-of select="$name"/>
  <xsl:text>);

  <xsl:text>  if (method_oop == NULL) {

  <xsl:apply-templates select=".." mode="traceError">     
    <xsl:with-param name="err">JVMTI_ERROR_INVALID_METHODID
    <xsl:with-param name="comment">
    <xsl:with-param name="extraValue">
  </xsl:apply-templates>
  <xsl:text>

  <xsl:text>  }

  <xsl:if test="count(@native)=1 and contains(@native,'error')">
    <xsl:text>  if (method_oop->is_native()) {
   
    <xsl:text>    return JVMTI_ERROR_NATIVE_METHOD;
   
    <xsl:text>  }
   
  </xsl:if>
</xsl:template>


<xsl:template match="jfieldID" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:text>  ResourceMark rm_fdesc(current_thread);

  <xsl:text>  fieldDescriptor fdesc;

  <xsl:text>  if (!JvmtiEnv::get_field_descriptor(k_oop, 
  <xsl:value-of select="$name"/>
  <xsl:text>, &fdesc)) {

  <xsl:apply-templates select=".." mode="traceError">     
    <xsl:with-param name="err">JVMTI_ERROR_INVALID_FIELDID
  </xsl:apply-templates>
  <xsl:text>

  <xsl:text>  }

</xsl:template>


<xsl:template match="jint" mode="dochecks">
  <xsl:param name="name"/>
  <xsl:if test="count(@min)=1">
    <xsl:text>  if (
    <xsl:value-of select="$name"/>
    <xsl:text> < 
    <xsl:value-of select="@min"/>
    <xsl:text>) {
</xsl:text>
    <xsl:apply-templates select=".." mode="traceError">     
      <xsl:with-param name="err">JVMTI_ERROR_ILLEGAL_ARGUMENT
    </xsl:apply-templates>
    <xsl:text>
  }
</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|enum|jchar|jlong|jfloat|jdouble|jlocation|jboolean|char|uchar|size_t|void|struct" mode="dochecks">
</xsl:template>

<!-- iterate over parameters, stopping if specified is encountered -->
<xsl:template name="traceInValueParamsUpTo">
  <xsl:param name="params"/>
  <xsl:param name="endParam">
  <xsl:param name="index" select="1"/>
  <xsl:variable name="cParam" select="$params[position()=$index]"/>
  <xsl:if test="$cParam!=$endParam">
    <xsl:apply-templates select="$cParam" mode="traceInValue"/>
    <xsl:if test="count($params) > $index">
      <xsl:call-template name="traceInValueParamsUpTo">
        <xsl:with-param name="params" select="$params"/>
        <xsl:with-param name="endParam" select="$endParam"/>
        <xsl:with-param name="index" select="1+$index"/>
      </xsl:call-template>
    </xsl:if>
  </xsl:if>
</xsl:template>

<xsl:template name="traceInFormatParamsUpTo">
  <xsl:param name="params"/>
  <xsl:param name="endParam">
  <xsl:param name="index" select="1"/>
  <xsl:variable name="cParam" select="$params[position()=$index]"/>
  <xsl:if test="$cParam!=$endParam">
    <xsl:apply-templates select="$cParam" mode="traceInFormat"/>
    <xsl:if test="count($params) > $index">
      <xsl:call-template name="traceInFormatParamsUpTo">
        <xsl:with-param name="params" select="$params"/>
        <xsl:with-param name="endParam" select="$endParam"/>
        <xsl:with-param name="index" select="1+$index"/>
      </xsl:call-template>
    </xsl:if>
  </xsl:if>
</xsl:template>

<xsl:template match="parameters" mode="traceInFormat">
  <xsl:param name="endParam">
  <xsl:call-template name="traceInFormatParamsUpTo">
    <xsl:with-param name="params" select="param"/>
    <xsl:with-param name="endParam" select="$endParam"/>
  </xsl:call-template>
</xsl:template>

<xsl:template match="parameters" mode="traceInValue">
  <xsl:param name="endParam">
  <xsl:call-template name="traceInValueParamsUpTo">
    <xsl:with-param name="params" select="param"/>
    <xsl:with-param name="endParam" select="$endParam"/>
  </xsl:call-template>
</xsl:template>

<xsl:template match="param" mode="traceInFormat">
  <xsl:apply-templates select="child::*[position()=1]" mode="traceInFormat">
    <xsl:with-param name="name" select="@id"/>
  </xsl:apply-templates>
</xsl:template>

<xsl:template match="param" mode="traceInValue">
  <xsl:apply-templates select="child::*[position()=1]" mode="traceInValue">
    <xsl:with-param name="name" select="@id"/>
  </xsl:apply-templates>
</xsl:template>

<xsl:template match="outptr|outbuf|allocfieldbuf|vmbuf|allocbuf|agentbuf|allocallocbuf" mode="traceInFormat">
</xsl:template>

<xsl:template match="outptr|outbuf|allocfieldbuf|vmbuf|allocbuf|agentbuf|allocallocbuf" mode="traceInValue">
</xsl:template>

<xsl:template match="inbuf" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:variable name="child" select="child::*[position()=1]"/>
  <xsl:choose>
    <xsl:when test="name($child)='char'">
      <xsl:text>='%s'
    </xsl:when>
    <xsl:otherwise>
      <xsl:text>=0x%x
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="inbuf" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
</xsl:template>

<xsl:template match="ptrtype" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:variable name="child" select="child::*[position()=1]"/>
  <xsl:choose>
    <xsl:when test="name($child)='jclass'">
      <xsl:text> 
      <xsl:value-of select="$name"/>
      <xsl:text>=0x%x
    </xsl:when>
    <xsl:otherwise>
      <xsl:apply-templates select="$child" mode="traceInFormat"/> 
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="ptrtype" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:variable name="child" select="child::*[position()=1]"/>
  <xsl:choose>
    <xsl:when test="name($child)='jclass'">
      <xsl:text>, 
      <xsl:value-of select="$name"/>
    </xsl:when>
    <xsl:otherwise>
      <xsl:apply-templates select="$child" mode="traceInValue"/>
    </xsl:otherwise>
  </xsl:choose> 
</xsl:template>

<xsl:template match="inptr" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=0x%x
</xsl:template>

<xsl:template match="inptr" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
</xsl:template>

<xsl:template match="jrawMonitorID|jfieldID" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%s
</xsl:template>

<xsl:template match="jclass" mode="traceInFormat">
  <xsl:param name="name"/>
  <!-- for JVMTI a jclass/jmethodID becomes just jmethodID -->
  <xsl:if test="count(@method)=0">
    <xsl:text> 
    <xsl:value-of select="$name"/>
    <xsl:text>=%s
  </xsl:if>
</xsl:template>

<xsl:template match="jrawMonitorID" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, rmonitor->get_name()
</xsl:template>

<xsl:template match="jthread" mode="traceInFormat">
  <xsl:param name="name"/>
  <!-- If we convert and test threads -->
  <xsl:if test="count(@impl)=0 or not(contains(@impl,'noconvert'))">
    <xsl:text> 
    <xsl:value-of select="$name"/>
    <xsl:text>=%s
  </xsl:if>
</xsl:template>

<xsl:template match="jthread" mode="traceInValue">
  <xsl:param name="name"/>
  <!-- If we convert and test threads -->
  <xsl:if test="count(@impl)=0 or not(contains(@impl,'noconvert'))">
    <xsl:text>, 
                    JvmtiTrace::safe_get_thread_name(java_thread)</xsl:text>  
  </xsl:if>
</xsl:template>

<xsl:template match="jframeID" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text>depth=%d
</xsl:template>

<xsl:template match="jframeID" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
</xsl:template>

<xsl:template match="jclass" mode="traceInValue">
  <!-- for JVMTI a jclass/jmethodID becomes just jmethodID -->
  <xsl:if test="count(@method)=0">
    <xsl:text>, 
                    JvmtiTrace::get_class_name(k_mirror)</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="jmethodID" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%s.%s
</xsl:template>

<xsl:template match="jmethodID" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
                    method_oop == NULL? "NULL" : method_oop->klass_name()->as_C_string(),
                    method_oop == NULL? "NULL" : method_oop->name()->as_C_string()
             </xsl:text>
</xsl:template>

<xsl:template match="jfieldID" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, fdesc.name()->as_C_string()
</xsl:template>

<xsl:template match="enum" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%d:%s
</xsl:template>

<xsl:template match="enum" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
  <xsl:text>, 
                    </xsl:text>
  <xsl:choose>
    <xsl:when test=".='jvmtiError'">
      <xsl:text>JvmtiUtil::error_name(
      <xsl:value-of select="$name"/>
      <xsl:text>)
</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:choose>
        <xsl:when test=".='jvmtiEvent'">
          <xsl:text>JvmtiTrace::event_name(
          <xsl:value-of select="$name"/>
          <xsl:text>)
        </xsl:text>
      </xsl:when>
      <xsl:otherwise>
        <xsl:text>JvmtiTrace::enum_name(
        <xsl:value-of select="."/>
        <xsl:text>ConstantNames, 
        <xsl:value-of select="."/>
        <xsl:text>ConstantValues, 
        <xsl:value-of select="$name"/>
        <xsl:text>)
      </xsl:otherwise>
    </xsl:choose>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="jint|jlocation" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%d
</xsl:template>

<xsl:template match="jlong" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%ld
</xsl:template>

<xsl:template match="size_t" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=0x%zx
</xsl:template>

<xsl:template match="jfloat|jdouble" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%f
</xsl:template>

<xsl:template match="char" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%c
</xsl:template>

<xsl:template match="uchar|jchar" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=0x%x
</xsl:template>

<xsl:template match="jint|jlocation|jchar|jlong|jfloat|jdouble|char|uchar|size_t" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
</xsl:template>


<xsl:template match="jboolean" mode="traceInFormat">
  <xsl:param name="name"/>
  <xsl:text> 
  <xsl:value-of select="$name"/>
  <xsl:text>=%s
</xsl:template>

<xsl:template match="jboolean" mode="traceInValue">
  <xsl:param name="name"/>
  <xsl:text>, 
  <xsl:value-of select="$name"/>
  <xsl:text>? "true" : "false"
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|void|struct" mode="traceInFormat">
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|void|struct" mode="traceInValue">
</xsl:template>



</xsl:stylesheet>

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