hotspot/src/share/vm/prims/jvmtiLib.xsl
author ysr
Thu, 03 Dec 2009 15:01:57 -0800
changeset 4461 c17c526d36ef
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6906727: UseCompressedOops: some card-marking fixes related to object arrays Summary: Introduced a new write_ref_array(HeapWords* start, size_t count) method that does the requisite MemRegion range calculation so (some of the) clients of the erstwhile write_ref_array(MemRegion mr) do not need to worry. This removed all external uses of array_size(), which was also simplified and made private. Asserts were added to catch other possible issues. Further, less essential, fixes stemming from this investigation are deferred to CR 6904516 (to follow shortly in hs17). Reviewed-by: kvn, coleenp, jmasa

<?xml version="1.0" encoding="utf-8"?>
<!--

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  <xsl:text> : 1;
</xsl:text>
</xsl:template>

<xsl:template match="constants" mode="enum">
  <xsl:text>
typedef </xsl:text>
  <xsl:apply-templates select="." mode="enumcore"/>
  <xsl:text> </xsl:text>
  <xsl:value-of select="@id"/>
  <xsl:text>;</xsl:text>
</xsl:template>

<xsl:template match="constants" mode="constants">
  <xsl:text>
</xsl:text>
  <xsl:apply-templates select="." mode="enumcore"/>
  <xsl:text>;</xsl:text>
</xsl:template>

<xsl:template match="constants" mode="enumcore">
  <xsl:text>enum {
</xsl:text>
  <xsl:for-each select="constant">
    <xsl:if test="position() &gt; 1">
      <xsl:text>,
</xsl:text>
    </xsl:if>
    <xsl:apply-templates select="." mode="enum"/>
  </xsl:for-each>
  <xsl:text>
}</xsl:text>
</xsl:template>

<xsl:template match="event" mode="enum">
  <xsl:text>    </xsl:text>
  <xsl:value-of select="@const"/>
  <xsl:text> = </xsl:text>
  <xsl:value-of select="@num"/>
</xsl:template>

<xsl:template match="constant|errorid" mode="enum">
  <xsl:text>    </xsl:text>
  <xsl:value-of select="@id"/>
  <xsl:text> = </xsl:text>
  <xsl:value-of select="@num"/>
</xsl:template>


  <xsl:template name="eventStruct">
    <xsl:param name="events"/>
    <xsl:param name="index"/>
    <xsl:param name="started"/>
    <xsl:param name="comment"/>
    <xsl:variable name="thisEvent" select="$events[@num=$index]"/>
    <xsl:choose>
      <xsl:when test="count($thisEvent)=1">
        <xsl:if test="$comment='Yes'">
          <xsl:text>                              /* </xsl:text>
          <xsl:number value="$index" format="  1"/>
          <xsl:text> : </xsl:text>
          <xsl:value-of select="$thisEvent/@label"/>
          <xsl:text> */
</xsl:text>
        </xsl:if>
        <xsl:text>    jvmtiEvent</xsl:text>
        <xsl:value-of select="$thisEvent/@id"/>
        <xsl:text> </xsl:text>
        <xsl:value-of select="$thisEvent/@id"/>
        <xsl:text>;
</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:if test="$started">
        <xsl:if test="$comment='Yes'">
          <xsl:text>                              /* </xsl:text>
          <xsl:number value="$index" format="  1"/>
          <xsl:text> */
</xsl:text>
        </xsl:if>
        <xsl:text>    jvmtiEventReserved reserved</xsl:text>        
        <xsl:value-of select="$index"/>
        <xsl:text>;
</xsl:text>     
    </xsl:if>
  </xsl:otherwise>
</xsl:choose>
    <xsl:if test="count($events[@num &gt; $index]) &gt; 0">
      <xsl:call-template name="eventStruct">
        <xsl:with-param name="events" select="$events"/>
        <xsl:with-param name="index" select="1+$index"/>
        <xsl:with-param name="started" select="$started or count($thisEvent)=1"/>
        <xsl:with-param name="comment" select="$comment"/>
      </xsl:call-template>
    </xsl:if>
  </xsl:template>


<!-- ======== HotSpotType ======== -->

<xsl:template match="parameters" mode="HotSpotSig">
  <xsl:variable name="length" select="count(param)"/>
  <xsl:for-each select="param">
    <xsl:variable name="separator">
        <xsl:choose>
          <xsl:when test="position()=$length">
            <xsl:text></xsl:text>
          </xsl:when>
          <xsl:otherwise>
            <xsl:text>, </xsl:text>
          </xsl:otherwise>
        </xsl:choose>
    </xsl:variable>
    <xsl:apply-templates select="." mode="HotSpotSig">
      <xsl:with-param name="comma" select="$separator"/>
    </xsl:apply-templates>
  </xsl:for-each>
</xsl:template>

<xsl:template match="param" mode="HotSpotSig">
  <xsl:param name="comma"/>
  <xsl:variable name="result">
    <xsl:apply-templates select="child::*[position()=1]" mode="HotSpotType"/>
  </xsl:variable>
  <xsl:if test="string-length($result)!=0">
    <xsl:value-of select="$result"/>
    <xsl:text> </xsl:text>
    <xsl:apply-templates select="child::*[position()=1]" mode="HotSpotName">
      <xsl:with-param name="name" select="@id"/>
    </xsl:apply-templates>
    <xsl:value-of select="$comma"/>    
  </xsl:if>
</xsl:template>

<xsl:template match="jthread" mode="HotSpotType">
  <xsl:choose>
    <xsl:when test="count(@impl)=0 or not(contains(@impl,'noconvert'))">
      <xsl:text>JavaThread*</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:value-of select="name()"/>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="jrawMonitorID" mode="HotSpotType">
  <xsl:text>JvmtiRawMonitor *</xsl:text>
</xsl:template>

<xsl:template match="jframeID" mode="HotSpotType">
  <xsl:text>jint</xsl:text>
</xsl:template>

<xsl:template match="jmethodID" mode="HotSpotType">
  <xsl:text>methodOop</xsl:text>
</xsl:template>

<xsl:template match="jfieldID" mode="HotSpotType">
  <xsl:text>fieldDescriptor*</xsl:text>
</xsl:template>

<xsl:template match="jclass" mode="HotSpotType">
  <!--
    classes passed as part of a class/method or class/field pair are used
    by the wrapper to get the internal type but are not needed by nor 
    passed to the implementation layer.
  -->
  <xsl:if test="count(@method|@field)=0">
    <xsl:text>oop</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="nullok" mode="HotSpotType">
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|enum|jint|jchar|jlong|jfloat|jdouble|jlocation|jboolean|char|uchar|size_t|void|struct" mode="HotSpotType">
  <xsl:apply-templates select="." mode="btsig"/>
</xsl:template>

<xsl:template match="varargs" mode="HotSpotType">
  <xsl:text> </xsl:text>
</xsl:template>

<xsl:template match="outptr|outbuf|allocfieldbuf" mode="HotSpotType">
  <xsl:apply-templates select="child::*[position()=1]" mode="btsig"/>
  <xsl:text>*</xsl:text>
</xsl:template>

<xsl:template match="ptrtype" mode="HotSpotType">
  <xsl:apply-templates select="child::*[position()=1]" mode="btsig"/>
</xsl:template>

<xsl:template match="inptr|inbuf|vmbuf" mode="HotSpotType">
  <xsl:text>const </xsl:text>
  <xsl:apply-templates select="child::*[position()=1]" mode="btsig"/>
  <xsl:text>*</xsl:text>
</xsl:template>

<xsl:template match="allocbuf|agentbuf" mode="HotSpotType">
  <xsl:apply-templates select="child::*[position()=1]" mode="btsig"/>
  <xsl:text>**</xsl:text>
</xsl:template>

<xsl:template match="allocallocbuf" mode="HotSpotType">
  <xsl:apply-templates select="child::*[position()=1]" mode="btsig"/>
  <xsl:text>***</xsl:text>
</xsl:template>

<!-- ========  HotSpotName ======== -->

<xsl:template match="jthread" mode="HotSpotName">
  <xsl:param name="name"/>
  <xsl:choose>
    <xsl:when test="count(@impl)=0 or not(contains(@impl,'noconvert'))">
      <xsl:text>java_thread</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:value-of select="$name"/>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="jrawMonitorID" mode="HotSpotName">
  <xsl:text>rmonitor</xsl:text>
</xsl:template>

<xsl:template match="jframeID" mode="HotSpotName">
  <xsl:text>depth</xsl:text>
</xsl:template>

<xsl:template match="jmethodID" mode="HotSpotName">
  <xsl:text>method_oop</xsl:text>
</xsl:template>

<xsl:template match="jfieldID" mode="HotSpotName">
  <xsl:text>fdesc_ptr</xsl:text>
</xsl:template>

<xsl:template match="jclass" mode="HotSpotName">
  <!--
    classes passed as part of a class/method or class/field pair are used
    by the wrapper to get the internal type but are not needed by nor 
    passed to the implementation layer.  This value is checked for empty.
  -->
  <xsl:if test="count(@method|@field)=0">
    <xsl:text>k_mirror</xsl:text>
  </xsl:if>
</xsl:template>

<xsl:template match="nullok" mode="HotSpotName">
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|enum|jint|jchar|jlong|jfloat|jdouble|jlocation|jboolean|char|uchar|size_t|void|varargs|struct|outptr|outbuf|allocfieldbuf|ptrtype|inptr|inbuf|vmbuf|allocbuf|agentbuf|allocallocbuf" mode="HotSpotName">
  <xsl:param name="name"/>
  <xsl:value-of select="$name"/>
</xsl:template>

<!-- ======== HotSpotValue ======== -->


<xsl:template match="parameters" mode="HotSpotValue">
  <xsl:variable name="length" select="count(param)"/>
  <xsl:for-each select="param">
    <xsl:variable name="separator">
        <xsl:choose>
          <xsl:when test="position()=$length">
            <xsl:text></xsl:text>
          </xsl:when>
          <xsl:otherwise>
            <xsl:text>, </xsl:text>
          </xsl:otherwise>
        </xsl:choose>
    </xsl:variable>
    <xsl:apply-templates select="." mode="HotSpotValue">
      <xsl:with-param name="comma" select="$separator"/>
    </xsl:apply-templates>
  </xsl:for-each>
</xsl:template>

<xsl:template match="param" mode="HotSpotValue">
  <xsl:param name="comma"/>
  <xsl:variable name="result">
    <xsl:apply-templates select="child::*[position()=1]" mode="HotSpotValue">
      <xsl:with-param name="name" select="@id"/>
    </xsl:apply-templates>
  </xsl:variable>
  <xsl:if test="string-length($result)!=0">
    <xsl:value-of select="$result"/>
    <xsl:value-of select="$comma"/>    
  </xsl:if>
</xsl:template>

<xsl:template match="jframeID|jmethodID|jrawMonitorID|jthread|jclass|nullok" mode="HotSpotValue">
  <xsl:param name="name"/>
  <xsl:apply-templates select="." mode="HotSpotName">
    <xsl:with-param name="name" select="$name"/>
  </xsl:apply-templates>
</xsl:template>

<xsl:template match="jfieldID" mode="HotSpotValue">
  <xsl:text>&amp;fdesc</xsl:text>
</xsl:template>

<xsl:template match="jobject|jvalue|jthreadGroup|enum|jint|jchar|jlong|jfloat|jdouble|jlocation|jboolean|char|uchar|size_t|void|struct|outptr|outbuf|allocfieldbuf|ptrtype|inptr|inbuf|vmbuf|allocbuf|agentbuf|allocallocbuf" mode="HotSpotValue">
  <xsl:param name="name"/>
  <xsl:value-of select="$name"/>
</xsl:template>

<xsl:template match="varargs" mode="HotSpotValue">
  <xsl:text>NULL</xsl:text>
</xsl:template>

</xsl:stylesheet>