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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> |
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| <h1 title="Interface FunctionEmulator.CallbackFunction" class="title">Interface FunctionEmulator.CallbackFunction</h1> |
| </div> |
| <section class="description"> |
| <dl class="notes"> |
| <dt>Enclosing class:</dt> |
| <dd><a href="FunctionEmulator.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">FunctionEmulator</a></dd> |
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| <div class="type-signature"><span class="modifiers">public static interface </span><span class="element-name type-name-label">FunctionEmulator.CallbackFunction</span></div> |
| <div class="block">This interface is similar to Emulator.CallbackFunction except that it adds the ability |
| to set the return value from the function (which is XPLINK specific).</div> |
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| <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>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="#call(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator)">call</a></span>​(<a href="FunctionEmulator.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">FunctionEmulator</a> em)</code></div> |
| <div class="col-last even-row-color method-summary-table-tab2 method-summary-table method-summary-table-tab3"> |
| <div class="block">This method will be called when the emulator finds a call to the registered |
| function entry point (see <a href="FunctionEmulator.html#registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)"><code>FunctionEmulator.registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)</code></a>).</div> |
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| <section class="method-details" id="method.detail"> |
| <h2>Method Details</h2> |
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| <li> |
| <section class="detail" id="call(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator)"> |
| <h3>call</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">call</span>​<span class="parameters">(<a href="FunctionEmulator.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">FunctionEmulator</a> em)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a>, |
| <a href="FunctionEmulator.CallOriginalException.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">FunctionEmulator.CallOriginalException</a></span></div> |
| <div class="block">This method will be called when the emulator finds a call to the registered |
| function entry point (see <a href="FunctionEmulator.html#registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)"><code>FunctionEmulator.registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)</code></a>). The return value |
| from this method represents the return value that the emulator sees after it |
| has made the call. If the called method throws CallOriginalException then |
| execution will resume with the original overridden function.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd> |
| <dd><code><a href="FunctionEmulator.CallOriginalException.html" title="class in com.ibm.j9ddr.corereaders.tdump.zebedee.le">FunctionEmulator.CallOriginalException</a></code></dd> |
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