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| <h2 title="Interface IAbstractAddressSpace" class="title">Interface IAbstractAddressSpace</h2> |
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| <dl> |
| <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> |
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| <hr> |
| <pre>public interface <span class="typeNameLabel">IAbstractAddressSpace</span></pre> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#bytesPerPointer(int)">bytesPerPointer</a></span>​(int asid)</code></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findPattern(byte%5B%5D,int,long)">findPattern</a></span>​(byte[] whatBytes, |
| int alignment, |
| long startFrom)</code></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>byte</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getByteAt(int,long)">getByteAt</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteOrder.html?is-external=true" title="class or interface in java.nio" class="externalLink" target="_blank">ByteOrder</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getByteOrder()">getByteOrder</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Return the byte order of this address space.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBytesAt(int,long,byte%5B%5D)">getBytesAt</a></span>​(int asid, |
| long address, |
| byte[] buffer)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntAt(int,long)">getIntAt</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLongAt(int,long)">getLongAt</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMemoryBytes(long,int)">getMemoryBytes</a></span>​(long vaddr, |
| int size)</code></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Iterator</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMemoryRanges()">getMemoryRanges</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPointerAt(int,long)">getPointerAt</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>short</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getShortAt(int,long)">getShortAt</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isExecutable(int,long)">isExecutable</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isReadOnly(int,long)">isReadOnly</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isShared(int,long)">isShared</a></span>​(int asid, |
| long address)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="getMemoryRanges()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMemoryRanges</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink" target="_blank">Iterator</a> getMemoryRanges()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An iterator of the MemoryRange objects making up the address space</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../corereaders/MemoryRange.html" title="class in com.ibm.dtfj.corereaders"><code>MemoryRange</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isExecutable(int,long)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isExecutable</h4> |
| <pre class="methodSignature">boolean isExecutable​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if this memory address is within an executable page</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="isReadOnly(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isReadOnly</h4> |
| <pre class="methodSignature">boolean isReadOnly​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if write access to this memory address was disabled in the image</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="isShared(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isShared</h4> |
| <pre class="methodSignature">boolean isShared​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if this memory address is shared between processes</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getLongAt(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getLongAt</h4> |
| <pre class="methodSignature">long getLongAt​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the 64-bit long stored at address in asid</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getIntAt(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getIntAt</h4> |
| <pre class="methodSignature">int getIntAt​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the 32-bit int stored at address in asid</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getShortAt(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getShortAt</h4> |
| <pre class="methodSignature">short getShortAt​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the 16-bit short stored at address in asid</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getByteOrder()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getByteOrder</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteOrder.html?is-external=true" title="class or interface in java.nio" class="externalLink" target="_blank">ByteOrder</a> getByteOrder()</pre> |
| <div class="block">Return the byte order of this address space.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the byte order of this address space</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getByteAt(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getByteAt</h4> |
| <pre class="methodSignature">byte getByteAt​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the 8-bit byte stored at address in asid</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getPointerAt(int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getPointerAt</h4> |
| <pre class="methodSignature">long getPointerAt​(int asid, |
| long address) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - an address space ID</dd> |
| <dd><code>address</code> - a byte-offset into the asid</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the pointer stored at address in asid</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="getBytesAt(int,long,byte[])"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getBytesAt</h4> |
| <pre class="methodSignature">int getBytesAt​(int asid, |
| long address, |
| byte[] buffer) |
| throws <a href="../corereaders/MemoryAccessException.html" title="class in com.ibm.dtfj.corereaders">MemoryAccessException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></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><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of bytes read into buffer</dd> |
| <dt><span class="throwsLabel">Throws:</span></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> |
| </li> |
| </ul> |
| <a id="bytesPerPointer(int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>bytesPerPointer</h4> |
| <pre class="methodSignature">int bytesPerPointer​(int asid)</pre> |
| <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> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>asid</code> - The address space id.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The number of bytes which are required to express a native pointer in the underlying address |
| space.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="findPattern(byte[],int,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>findPattern</h4> |
| <pre class="methodSignature">long findPattern​(byte[] whatBytes, |
| int alignment, |
| long startFrom)</pre> |
| <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> |
| <dt><span class="paramLabel">Parameters:</span></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><span class="returnLabel">Returns:</span></dt> |
| </dl> |
| </li> |
| </ul> |
| <a id="getMemoryBytes(long,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getMemoryBytes</h4> |
| <pre class="methodSignature">byte[] getMemoryBytes​(long vaddr, |
| int size)</pre> |
| <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> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>vaddr</code> - </dd> |
| <dd><code>size</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| </dl> |
| </li> |
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