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| <div class="sub-title"><span class="module-label-in-type">Module</span> <a href="../../../../module-summary.html">openj9.dtfj</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">com.ibm.dtfj.addressspace</a></div> |
| <h1 title="Interface IAbstractAddressSpace" class="title">Interface IAbstractAddressSpace</h1> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="CommonAddressSpace.html" title="class in com.ibm.dtfj.addressspace">CommonAddressSpace</a></code>, <code><a href="DumpReaderAddressSpace.html" title="class in com.ibm.dtfj.addressspace">DumpReaderAddressSpace</a></code>, <code><a href="LayeredAddressSpace.html" title="class in com.ibm.dtfj.addressspace">LayeredAddressSpace</a></code>, <code><a href="SimpleAddressSpace.html" title="class in com.ibm.dtfj.addressspace">SimpleAddressSpace</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">IAbstractAddressSpace</span></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method.summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#bytesPerPointer(int)">bytesPerPointer</a></span>​(int asid)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Provided so that callers can determine more complicated memory geometry than what can be expressed |
| with offsets and the above scalar data readers.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#findPattern(byte%5B%5D,int,long)">findPattern</a></span>​(byte[] whatBytes, |
| int alignment, |
| long startFrom)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">This method is provided to appease JExtract by emulating part of the old API which is used |
| by the JExtract natives.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>byte</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getByteAt(int,long)">getByteAt</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/nio/ByteOrder.html" title="class or interface in java.nio" class="external-link" target="_blank">ByteOrder</a></code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getByteOrder()">getByteOrder</a></span>()</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">Return the byte order of this address space.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getBytesAt(int,long,byte%5B%5D)">getBytesAt</a></span>​(int asid, |
| long address, |
| byte[] buffer)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>int</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getIntAt(int,long)">getIntAt</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getLongAt(int,long)">getLongAt</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>byte[]</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getMemoryBytes(long,int)">getMemoryBytes</a></span>​(long vaddr, |
| int size)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">This method is provided to appease JExtract by emulating part of the old API which is used |
| by the JExtract natives.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getMemoryRanges()">getMemoryRanges</a></span>()</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getPointerAt(int,long)">getPointerAt</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>short</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#getShortAt(int,long)">getShortAt</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#isExecutable(int,long)">isExecutable</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#isReadOnly(int,long)">isReadOnly</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"><code><span class="member-name-link"><a href="#isShared(int,long)">isShared</a></span>​(int asid, |
| long address)</code></div> |
| <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> </div> |
| </div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method.detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getMemoryRanges()"> |
| <h3>getMemoryRanges</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link" target="_blank">Iterator</a></span> <span class="element-name">getMemoryRanges</span>()</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>An iterator of the MemoryRange objects making up the address space</dd> |
| <dt>See Also:</dt> |
| <dd><a href="../corereaders/MemoryRange.html" title="class in com.ibm.dtfj.corereaders"><code>MemoryRange</code></a></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isExecutable(int,long)"> |
| <h3>isExecutable</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">isExecutable</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if this memory address is within an executable page</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isReadOnly(int,long)"> |
| <h3>isReadOnly</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">isReadOnly</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if write access to this memory address was disabled in the image</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isShared(int,long)"> |
| <h3>isShared</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">isShared</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>true if this memory address is shared between processes</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLongAt(int,long)"> |
| <h3>getLongAt</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getLongAt</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>the 64-bit long stored at address in asid</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getIntAt(int,long)"> |
| <h3>getIntAt</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">getIntAt</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>the 32-bit int stored at address in asid</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getShortAt(int,long)"> |
| <h3>getShortAt</h3> |
| <div class="member-signature"><span class="return-type">short</span> <span class="element-name">getShortAt</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>the 16-bit short stored at address in asid</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getByteOrder()"> |
| <h3>getByteOrder</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/nio/ByteOrder.html" title="class or interface in java.nio" class="external-link" target="_blank">ByteOrder</a></span> <span class="element-name">getByteOrder</span>()</div> |
| <div class="block">Return the byte order of this address space.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the byte order of this address space</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getByteAt(int,long)"> |
| <h3>getByteAt</h3> |
| <div class="member-signature"><span class="return-type">byte</span> <span class="element-name">getByteAt</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>the 8-bit byte stored at address in asid</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getPointerAt(int,long)"> |
| <h3>getPointerAt</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getPointerAt</span>​<span class="parameters">(int asid, |
| long address)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt>Returns:</dt> |
| <dd>the pointer stored at address in asid</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getBytesAt(int,long,byte[])"> |
| <h3>getBytesAt</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">getBytesAt</span>​<span class="parameters">(int asid, |
| long address, |
| byte[] buffer)</span> |
| throws <span class="exceptions"><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></span></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dd><code>buffer</code> - a byte array to receive the bytes</dd> |
| <dt>Returns:</dt> |
| <dd>the number of bytes read into buffer</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></code> - if the memory cannot be read</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="bytesPerPointer(int)"> |
| <h3>bytesPerPointer</h3> |
| <div class="member-signature"><span class="return-type">int</span> <span class="element-name">bytesPerPointer</span>​<span class="parameters">(int asid)</span></div> |
| <div class="block">Provided so that callers can determine more complicated memory geometry than what can be expressed |
| with offsets and the above scalar data readers.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>asid</code> - The address space id.</dd> |
| <dt>Returns:</dt> |
| <dd>The number of bytes which are required to express a native pointer in the underlying address |
| space.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="findPattern(byte[],int,long)"> |
| <h3>findPattern</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">findPattern</span>​<span class="parameters">(byte[] whatBytes, |
| int alignment, |
| long startFrom)</span></div> |
| <div class="block">This method is provided to appease JExtract by emulating part of the old API which is used |
| by the JExtract natives. Also used to search for the J9RAS structure in J9RASReader.java</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>whatBytes</code> - The pattern to search for</dd> |
| <dd><code>alignment</code> - The alignment boundary where the pattern can be expected to start</dd> |
| <dd><code>startFrom</code> - The first memory address to start searching in</dd> |
| <dt>Returns:</dt> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMemoryBytes(long,int)"> |
| <h3>getMemoryBytes</h3> |
| <div class="member-signature"><span class="return-type">byte[]</span> <span class="element-name">getMemoryBytes</span>​<span class="parameters">(long vaddr, |
| int size)</span></div> |
| <div class="block">This method is provided to appease JExtract by emulating part of the old API which is used |
| by the JExtract natives.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>vaddr</code> - </dd> |
| <dd><code>size</code> - </dd> |
| <dt>Returns:</dt> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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