doc/generated/doxygen/classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html - third_party/crashpad - Git at Google

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 <a href="#pub-methods">Public Member Functions</a> &#124;
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 <div class="title">crashpad::internal::ExceptionSnapshotLinux Class Reference<span class="mlabels"><span class="mlabel">final</span></span></div>  </div>
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 <p>An <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html" title="An abstract interface to a snapshot representing an exception that a snapshot process sustained and t...">ExceptionSnapshot</a> of an signal received by a running (or crashed) process on a Linux system.
  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#details">More...</a></p>

 <p><code>#include &quot;snapshot/linux/exception_snapshot_linux.h&quot;</code></p>
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 Public Member Functions</h2></td></tr>
 <tr class="memitem:af77cb9e98dd351eea426d6bcb2358dda"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#af77cb9e98dd351eea426d6bcb2358dda">Initialize</a> (<a class="el" href="classcrashpad_1_1ProcessReaderLinux.html">ProcessReaderLinux</a> *process_reader, <a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> siginfo_address, <a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> context_address, pid_t thread_id)</td></tr>
 <tr class="memdesc:af77cb9e98dd351eea426d6bcb2358dda"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initializes the object.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#af77cb9e98dd351eea426d6bcb2358dda">More...</a><br /></td></tr>
 <tr class="separator:af77cb9e98dd351eea426d6bcb2358dda"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:abbd1bf5416a23d3416f709873509b36b"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structcrashpad_1_1CPUContext.html">CPUContext</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#abbd1bf5416a23d3416f709873509b36b">Context</a> () const override</td></tr>
 <tr class="memdesc:abbd1bf5416a23d3416f709873509b36b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a <a class="el" href="structcrashpad_1_1CPUContext.html" title="A context structure capable of carrying the context of any supported CPU architecture.">CPUContext</a> object corresponding to the exception thread’s CPU context at the time of the exception.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#abbd1bf5416a23d3416f709873509b36b">More...</a><br /></td></tr>
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 <tr class="memitem:a7f1befd18a82340f4f7edd550cb35af2"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a7f1befd18a82340f4f7edd550cb35af2">ThreadID</a> () const override</td></tr>
 <tr class="memdesc:a7f1befd18a82340f4f7edd550cb35af2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the thread identifier of the thread that triggered the exception.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a7f1befd18a82340f4f7edd550cb35af2">More...</a><br /></td></tr>
 <tr class="separator:a7f1befd18a82340f4f7edd550cb35af2"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a56eca1b067ef859926c56d25e0b208b2"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a56eca1b067ef859926c56d25e0b208b2">Exception</a> () const override</td></tr>
 <tr class="memdesc:a56eca1b067ef859926c56d25e0b208b2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the top-level exception code identifying the exception.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a56eca1b067ef859926c56d25e0b208b2">More...</a><br /></td></tr>
 <tr class="separator:a56eca1b067ef859926c56d25e0b208b2"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:adf6edc2ae286986027ebda04c53d25f7"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#adf6edc2ae286986027ebda04c53d25f7">ExceptionInfo</a> () const override</td></tr>
 <tr class="memdesc:adf6edc2ae286986027ebda04c53d25f7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the second-level exception code identifying the exception.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#adf6edc2ae286986027ebda04c53d25f7">More...</a><br /></td></tr>
 <tr class="separator:adf6edc2ae286986027ebda04c53d25f7"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ace9d4fa78bf7fd8fea2ce15488653940"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#ace9d4fa78bf7fd8fea2ce15488653940">ExceptionAddress</a> () const override</td></tr>
 <tr class="memdesc:ace9d4fa78bf7fd8fea2ce15488653940"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the address that triggered the exception.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#ace9d4fa78bf7fd8fea2ce15488653940">More...</a><br /></td></tr>
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 <tr class="memitem:a744d4246a913757956bf2d66c064736a"><td class="memItemLeft" align="right" valign="top">const std::vector&lt; uint64_t &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a744d4246a913757956bf2d66c064736a">Codes</a> () const override</td></tr>
 <tr class="memdesc:a744d4246a913757956bf2d66c064736a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a series of operating system-specific exception codes.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a744d4246a913757956bf2d66c064736a">More...</a><br /></td></tr>
 <tr class="separator:a744d4246a913757956bf2d66c064736a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ada5fcf76174d3b2ed781b3d87f36ae9f"><td class="memItemLeft" align="right" valign="top">virtual std::vector&lt; const <a class="el" href="classcrashpad_1_1MemorySnapshot.html">MemorySnapshot</a> * &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#ada5fcf76174d3b2ed781b3d87f36ae9f">ExtraMemory</a> () const override</td></tr>
 <tr class="memdesc:ada5fcf76174d3b2ed781b3d87f36ae9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a vector of additional memory blocks that should be included in a minidump.  <a href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#ada5fcf76174d3b2ed781b3d87f36ae9f">More...</a><br /></td></tr>
 <tr class="separator:ada5fcf76174d3b2ed781b3d87f36ae9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>An <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html" title="An abstract interface to a snapshot representing an exception that a snapshot process sustained and t...">ExceptionSnapshot</a> of an signal received by a running (or crashed) process on a Linux system. </p>
 </div><h2 class="groupheader">Member Function Documentation</h2>
 <a id="a744d4246a913757956bf2d66c064736a"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a744d4246a913757956bf2d66c064736a">&#9670;&nbsp;</a></span>Codes()</h2>

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 <p>Returns a series of operating system-specific exception codes. </p>
 <p>The precise interpretation of these codes is specific to the snapshot operating system. These codes may provide a duplicate of information available elsewhere, they may extend information available elsewhere, or they may not be present at all. In this case, an empty vector will be returned.</p>
 <p>For macOS, this will be a vector containing the original exception type and the values of <code>code[0]</code> and <code>code[1]</code> as received by a Mach exception handler.</p>
 <p>For Windows, these are additional arguments (if any) as provided to <code>RaiseException()</code>. See the documentation for <code><a class="el" href="structcrashpad_1_1ExceptionInformation.html" title="Structure read out of the client process by the crash handler when an exception occurs.">ExceptionInformation</a></code> in <code>EXCEPTION_RECORD</code>. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#a1b98ff58b73e105c39ccba39dad5a2d7">crashpad::ExceptionSnapshot</a>.</p>

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 <h2 class="memtitle"><span class="permalink"><a href="#abbd1bf5416a23d3416f709873509b36b">&#9670;&nbsp;</a></span>Context()</h2>

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 <p>Returns a <a class="el" href="structcrashpad_1_1CPUContext.html" title="A context structure capable of carrying the context of any supported CPU architecture.">CPUContext</a> object corresponding to the exception thread’s CPU context at the time of the exception. </p>
 <p>The caller does not take ownership of this object, it is scoped to the lifetime of the <a class="el" href="classcrashpad_1_1ThreadSnapshot.html" title="An abstract interface to a snapshot representing a thread (lightweight process) present in a snapshot...">ThreadSnapshot</a> object that it was obtained from. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#a9ba62f24e17805f436feda32c01f353e">crashpad::ExceptionSnapshot</a>.</p>

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 <h2 class="memtitle"><span class="permalink"><a href="#a56eca1b067ef859926c56d25e0b208b2">&#9670;&nbsp;</a></span>Exception()</h2>

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           <td class="memname">uint32_t crashpad::internal::ExceptionSnapshotLinux::Exception </td>
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 <p>Returns the top-level exception code identifying the exception. </p>
 <p>This is an operating system-specific value.</p>
 <p>For macOS, this will be an <a class="el" href="mach_8h.html#EXC_x">EXC_*</a> exception type, such as <code>EXC_BAD_ACCESS</code>. <code>EXC_CRASH</code> will not appear here for exceptions processed as <code>EXC_CRASH</code> when generated from another preceding exception: the original exception code will appear instead. The exception type as it was received will appear at index 0 of <a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a744d4246a913757956bf2d66c064736a" title="Returns a series of operating system-specific exception codes.">Codes()</a>.</p>
 <p>For Windows, this will be an <code>EXCEPTION_*</code> exception type, such as <code>EXCEPTION_ACCESS_VIOLATION</code>. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#af73f1ae2f0572a10bd1b62dee1472607">crashpad::ExceptionSnapshot</a>.</p>

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 <h2 class="memtitle"><span class="permalink"><a href="#ace9d4fa78bf7fd8fea2ce15488653940">&#9670;&nbsp;</a></span>ExceptionAddress()</h2>

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 <p>Returns the address that triggered the exception. </p>
 <p>This may be the address that caused a fault on data access, or it may be the instruction pointer that contained an offending instruction. For exceptions where this value cannot be determined, it will be <code>0</code>.</p>
 <p>For macOS, this will be the value of the exception code at index 1 as received by a Mach exception handler. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#a12bf01b499037e2ad642d5e131f23f86">crashpad::ExceptionSnapshot</a>.</p>

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 <h2 class="memtitle"><span class="permalink"><a href="#adf6edc2ae286986027ebda04c53d25f7">&#9670;&nbsp;</a></span>ExceptionInfo()</h2>

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 <p>Returns the second-level exception code identifying the exception. </p>
 <p>This is an operating system-specific value.</p>
 <p>For macOS, this will be the value of the exception code at index 0 as received by a Mach exception handler, except:</p><ul>
 <li>For <code>EXC_CRASH</code> exceptions generated from another preceding exception, the original exception code will appear here, not the code as received by the Mach exception handler.</li>
 <li>For <code>EXC_RESOURCE</code> and <code>EXC_GUARD</code> exceptions, the high 32 bits of the exception code at index 0 will appear here.</li>
 </ul>
 <p>In all cases on macOS, the full exception code at index 0 as it was received will appear at index 1 of <a class="el" href="classcrashpad_1_1internal_1_1ExceptionSnapshotLinux.html#a744d4246a913757956bf2d66c064736a" title="Returns a series of operating system-specific exception codes.">Codes()</a>.</p>
 <p>On Windows, this will either be <code>0</code> if the exception is continuable, or <code>EXCEPTION_NONCONTINUABLE</code> to indicate a noncontinuable exception. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#ae1c97187c37fa378252415f7f3b4e6cb">crashpad::ExceptionSnapshot</a>.</p>

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 <p>Returns a vector of additional memory blocks that should be included in a minidump. </p>
 <dl class="section return"><dt>Returns</dt><dd>A vector of <a class="el" href="classcrashpad_1_1MemorySnapshot.html" title="An abstract interface to a snapshot representing a region of memory present in a snapshot process.">MemorySnapshot</a> objects that will be included in the crash dump. The caller does not take ownership of these objects, they are scoped to the lifetime of the <a class="el" href="classcrashpad_1_1ThreadSnapshot.html" title="An abstract interface to a snapshot representing a thread (lightweight process) present in a snapshot...">ThreadSnapshot</a> object that they were obtained from. </dd></dl>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#a85e992db62e56bc47242a186b94208f4">crashpad::ExceptionSnapshot</a>.</p>

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           <td class="memname">bool crashpad::internal::ExceptionSnapshotLinux::Initialize </td>
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           <td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a>&#160;</td>
           <td class="paramname"><em>siginfo_address</em>, </td>
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           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a>&#160;</td>
           <td class="paramname"><em>context_address</em>, </td>
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           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">pid_t&#160;</td>
           <td class="paramname"><em>thread_id</em>&#160;</td>
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         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
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 <p>Initializes the object. </p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">process_reader</td><td>A <a class="el" href="classcrashpad_1_1ProcessReaderLinux.html" title="Accesses information about another process, identified by a process ID.">ProcessReaderLinux</a> for the process that received the signal. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">siginfo_address</td><td>The address in the target process' address space of the siginfo_t passed to the signal handler. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">context_address</td><td>The address in the target process' address space of the ucontext_t passed to the signal handler. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">thread_id</td><td>The thread ID of the thread that received the signal.</td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd><code>true</code> if the snapshot could be created, <code>false</code> otherwise with an appropriate message logged. </dd></dl>

 </div>
 </div>
 <a id="a7f1befd18a82340f4f7edd550cb35af2"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a7f1befd18a82340f4f7edd550cb35af2">&#9670;&nbsp;</a></span>ThreadID()</h2>

 <div class="memitem">
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           <td class="memname">uint64_t crashpad::internal::ExceptionSnapshotLinux::ThreadID </td>
           <td>(</td>
           <td class="paramname"></td><td>)</td>
           <td> const</td>
         </tr>
       </table>
   </td>
   <td class="mlabels-right">
 <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
   </tr>
 </table>
 </div><div class="memdoc">

 <p>Returns the thread identifier of the thread that triggered the exception. </p>
 <p>This value can be compared to <a class="el" href="classcrashpad_1_1ThreadSnapshot.html#a3c953575fadb934cd5f163560df149da" title="Returns the thread’s identifier.">ThreadSnapshot::ThreadID()</a> to associate an <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html" title="An abstract interface to a snapshot representing an exception that a snapshot process sustained and t...">ExceptionSnapshot</a> object with the <a class="el" href="classcrashpad_1_1ThreadSnapshot.html" title="An abstract interface to a snapshot representing a thread (lightweight process) present in a snapshot...">ThreadSnapshot</a> that contains a snapshot of the thread that triggered the exception. </p>

 <p>Implements <a class="el" href="classcrashpad_1_1ExceptionSnapshot.html#aef11b2d8ffb00bb38688e09c0b62ac51">crashpad::ExceptionSnapshot</a>.</p>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following files:<ul>
 <li>snapshot/linux/exception_snapshot_linux.h</li>
 <li>snapshot/linux/exception_snapshot_linux.cc</li>
 </ul>
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