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<li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html">ProcessMemoryRange</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="headertitle">
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<div class="title">crashpad::ProcessMemoryRange Class Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Provides range protected access to the memory of another process.
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<a href="classcrashpad_1_1ProcessMemoryRange.html#details">More...</a></p>
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<p><code>#include "util/linux/process_memory_range.h"</code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a23ad3695cfbfa6e8d6d0c776afef46b6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a23ad3695cfbfa6e8d6d0c776afef46b6">Initialize</a> (const <a class="el" href="classcrashpad_1_1ProcessMemory.html">ProcessMemory</a> *memory, bool is_64_bit, <a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> base, <a class="el" href="namespacecrashpad.html#aa2b5b2818842bda12ff9c4d555c2c8c8">LinuxVMSize</a> size)</td></tr>
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<tr class="memdesc:a23ad3695cfbfa6e8d6d0c776afef46b6"><td class="mdescLeft"> </td><td class="mdescRight">Initializes this object. <a href="#a23ad3695cfbfa6e8d6d0c776afef46b6">More...</a><br /></td></tr>
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<tr class="separator:a23ad3695cfbfa6e8d6d0c776afef46b6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4642cb32847e27d07998a6c7b0cc6cfb"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a4642cb32847e27d07998a6c7b0cc6cfb">Initialize</a> (const <a class="el" href="classcrashpad_1_1ProcessMemory.html">ProcessMemory</a> *memory, bool is_64_bit)</td></tr>
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<tr class="memdesc:a4642cb32847e27d07998a6c7b0cc6cfb"><td class="mdescLeft"> </td><td class="mdescRight">Initializes this object with the maximum range for the address space. <a href="#a4642cb32847e27d07998a6c7b0cc6cfb">More...</a><br /></td></tr>
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<tr class="separator:a4642cb32847e27d07998a6c7b0cc6cfb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5ffc0c7d4ae44532a8336ce1e4f7a4c9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a5ffc0c7d4ae44532a8336ce1e4f7a4c9">Initialize</a> (const <a class="el" href="classcrashpad_1_1ProcessMemoryRange.html">ProcessMemoryRange</a> &other)</td></tr>
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<tr class="memdesc:a5ffc0c7d4ae44532a8336ce1e4f7a4c9"><td class="mdescLeft"> </td><td class="mdescRight">Initializes this object from an existing memory range. <a href="#a5ffc0c7d4ae44532a8336ce1e4f7a4c9">More...</a><br /></td></tr>
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<tr class="separator:a5ffc0c7d4ae44532a8336ce1e4f7a4c9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4c486d8043ce80096e4a578339d13196"><td class="memItemLeft" align="right" valign="top"><a id="a4c486d8043ce80096e4a578339d13196"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a4c486d8043ce80096e4a578339d13196">Is64Bit</a> () const</td></tr>
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<tr class="memdesc:a4c486d8043ce80096e4a578339d13196"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the range is part of a 64-bit address space. <br /></td></tr>
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<tr class="separator:a4c486d8043ce80096e4a578339d13196"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aca5609c65d501aaf82e95d6a349c1907"><td class="memItemLeft" align="right" valign="top"><a id="aca5609c65d501aaf82e95d6a349c1907"></a>
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<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#aca5609c65d501aaf82e95d6a349c1907">Base</a> () const</td></tr>
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<tr class="memdesc:aca5609c65d501aaf82e95d6a349c1907"><td class="mdescLeft"> </td><td class="mdescRight">Returns the base address of the range. <br /></td></tr>
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<tr class="separator:aca5609c65d501aaf82e95d6a349c1907"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac775497b681cb3471211a2bf2114d779"><td class="memItemLeft" align="right" valign="top"><a id="ac775497b681cb3471211a2bf2114d779"></a>
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<a class="el" href="namespacecrashpad.html#aa2b5b2818842bda12ff9c4d555c2c8c8">LinuxVMSize</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#ac775497b681cb3471211a2bf2114d779">Size</a> () const</td></tr>
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<tr class="memdesc:ac775497b681cb3471211a2bf2114d779"><td class="mdescLeft"> </td><td class="mdescRight">Returns the size of the range. <br /></td></tr>
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<tr class="separator:ac775497b681cb3471211a2bf2114d779"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6f1a929c8147197216edf5187c7b24fa"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a6f1a929c8147197216edf5187c7b24fa">RestrictRange</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> base, <a class="el" href="namespacecrashpad.html#aa2b5b2818842bda12ff9c4d555c2c8c8">LinuxVMSize</a> size)</td></tr>
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<tr class="memdesc:a6f1a929c8147197216edf5187c7b24fa"><td class="mdescLeft"> </td><td class="mdescRight">Shrinks the range to the new base and size. <a href="#a6f1a929c8147197216edf5187c7b24fa">More...</a><br /></td></tr>
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<tr class="separator:a6f1a929c8147197216edf5187c7b24fa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a26c36adb5a042b1c3dddbcaf457200d6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#a26c36adb5a042b1c3dddbcaf457200d6">Read</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, void *buffer) const</td></tr>
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<tr class="memdesc:a26c36adb5a042b1c3dddbcaf457200d6"><td class="mdescLeft"> </td><td class="mdescRight">Copies memory from the target process into a caller-provided buffer in the current process. <a href="#a26c36adb5a042b1c3dddbcaf457200d6">More...</a><br /></td></tr>
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<tr class="separator:a26c36adb5a042b1c3dddbcaf457200d6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afc40d7e7835a1626ee80b69b1bee100a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ProcessMemoryRange.html#afc40d7e7835a1626ee80b69b1bee100a">ReadCStringSizeLimited</a> (<a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, std::string *string) const</td></tr>
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||
<tr class="memdesc:afc40d7e7835a1626ee80b69b1bee100a"><td class="mdescLeft"> </td><td class="mdescRight">Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. <a href="#afc40d7e7835a1626ee80b69b1bee100a">More...</a><br /></td></tr>
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<tr class="separator:afc40d7e7835a1626ee80b69b1bee100a"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Provides range protected access to the memory of another process. </p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a id="a23ad3695cfbfa6e8d6d0c776afef46b6"></a>
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||
<h2 class="memtitle"><span class="permalink"><a href="#a23ad3695cfbfa6e8d6d0c776afef46b6">◆ </a></span>Initialize() <span class="overload">[1/3]</span></h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemoryRange::Initialize </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classcrashpad_1_1ProcessMemory.html">ProcessMemory</a> * </td>
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<td class="paramname"><em>memory</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>is_64_bit</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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||
<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
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<td class="paramname"><em>base</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#aa2b5b2818842bda12ff9c4d555c2c8c8">LinuxVMSize</a> </td>
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<td class="paramname"><em>size</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Initializes this object. </p>
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<p>One of the Initialize methods must be successfully called on this object before calling any other.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">memory</td><td>The memory reader to delegate to. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">is_64_bit</td><td>Whether the target process is 64-bit. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">base</td><td>The base address of the initial range. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The size of the initial range. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged. </dd></dl>
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</div>
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</div>
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<a id="a4642cb32847e27d07998a6c7b0cc6cfb"></a>
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||
<h2 class="memtitle"><span class="permalink"><a href="#a4642cb32847e27d07998a6c7b0cc6cfb">◆ </a></span>Initialize() <span class="overload">[2/3]</span></h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemoryRange::Initialize </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classcrashpad_1_1ProcessMemory.html">ProcessMemory</a> * </td>
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<td class="paramname"><em>memory</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>is_64_bit</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Initializes this object with the maximum range for the address space. </p>
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<p>One of the Initialize methods must be successfully called on this object before calling any other.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">memory</td><td>The memory reader to delegate to. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">is_64_bit</td><td>Whether the target process is 64-bit. </td></tr>
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</table>
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</dd>
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</dl>
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|
||
</div>
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||
</div>
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||
<a id="a5ffc0c7d4ae44532a8336ce1e4f7a4c9"></a>
|
||
<h2 class="memtitle"><span class="permalink"><a href="#a5ffc0c7d4ae44532a8336ce1e4f7a4c9">◆ </a></span>Initialize() <span class="overload">[3/3]</span></h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemoryRange::Initialize </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classcrashpad_1_1ProcessMemoryRange.html">ProcessMemoryRange</a> & </td>
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<td class="paramname"><em>other</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Initializes this object from an existing memory range. </p>
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<p>One of the Initialize methods must be successfully called on this object before calling any other.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">other</td><td>The memory range object to initialize from. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged. </dd></dl>
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</div>
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</div>
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<a id="a26c36adb5a042b1c3dddbcaf457200d6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a26c36adb5a042b1c3dddbcaf457200d6">◆ </a></span>Read()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">bool crashpad::ProcessMemoryRange::Read </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
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<td class="paramname"><em>address</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>size</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>buffer</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Copies memory from the target process into a caller-provided buffer in the current process. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The address, in the target process' address space, of the memory region to copy. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The size, in bytes, of the memory region to copy. <em>buffer</em> must be at least this size. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>The buffer into which the contents of the other process' memory will be copied.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, with <em>buffer</em> filled appropriately. <code>false</code> on failure, with a message logged. </dd></dl>
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</div>
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</div>
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<a id="afc40d7e7835a1626ee80b69b1bee100a"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#afc40d7e7835a1626ee80b69b1bee100a">◆ </a></span>ReadCStringSizeLimited()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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||
<td class="memname">bool crashpad::ProcessMemoryRange::ReadCStringSizeLimited </td>
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||
<td>(</td>
|
||
<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
|
||
<td class="paramname"><em>address</em>, </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="paramkey"></td>
|
||
<td></td>
|
||
<td class="paramtype">size_t </td>
|
||
<td class="paramname"><em>size</em>, </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="paramkey"></td>
|
||
<td></td>
|
||
<td class="paramtype">std::string * </td>
|
||
<td class="paramname"><em>string</em> </td>
|
||
</tr>
|
||
<tr>
|
||
<td></td>
|
||
<td>)</td>
|
||
<td></td><td> const</td>
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||
</tr>
|
||
</table>
|
||
</div><div class="memdoc">
|
||
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||
<p>Reads a <code>NUL</code>-terminated C string from the target process into a string in the current process. </p>
|
||
<dl class="params"><dt>Parameters</dt><dd>
|
||
<table class="params">
|
||
<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The address, in the target process’s address space, of the string to copy. </td></tr>
|
||
<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The maximum number of bytes to read. The string is required to be <code>NUL</code>-terminated within this many bytes. </td></tr>
|
||
<tr><td class="paramdir">[out]</td><td class="paramname">string</td><td>The string read from the other process.</td></tr>
|
||
</table>
|
||
</dd>
|
||
</dl>
|
||
<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success, with <em>string</em> set appropriately. <code>false</code> on failure, with a message logged. Failures can occur, for example, when a <code>NUL</code> terminator is not found within <em>size</em> bytes, or when encountering unmapped or unreadable pages. </dd></dl>
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||
|
||
</div>
|
||
</div>
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||
<a id="a6f1a929c8147197216edf5187c7b24fa"></a>
|
||
<h2 class="memtitle"><span class="permalink"><a href="#a6f1a929c8147197216edf5187c7b24fa">◆ </a></span>RestrictRange()</h2>
|
||
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||
<div class="memitem">
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||
<div class="memproto">
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||
<table class="memname">
|
||
<tr>
|
||
<td class="memname">bool crashpad::ProcessMemoryRange::RestrictRange </td>
|
||
<td>(</td>
|
||
<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
|
||
<td class="paramname"><em>base</em>, </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="paramkey"></td>
|
||
<td></td>
|
||
<td class="paramtype"><a class="el" href="namespacecrashpad.html#aa2b5b2818842bda12ff9c4d555c2c8c8">LinuxVMSize</a> </td>
|
||
<td class="paramname"><em>size</em> </td>
|
||
</tr>
|
||
<tr>
|
||
<td></td>
|
||
<td>)</td>
|
||
<td></td><td></td>
|
||
</tr>
|
||
</table>
|
||
</div><div class="memdoc">
|
||
|
||
<p>Shrinks the range to the new base and size. </p>
|
||
<p>The new range must be contained within the existing range for this object.</p>
|
||
<dl class="params"><dt>Parameters</dt><dd>
|
||
<table class="params">
|
||
<tr><td class="paramdir">[in]</td><td class="paramname">base</td><td>The new base of the range. </td></tr>
|
||
<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The new size of the range. </td></tr>
|
||
</table>
|
||
</dd>
|
||
</dl>
|
||
<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged. </dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<hr/>The documentation for this class was generated from the following files:<ul>
|
||
<li>util/linux/process_memory_range.h</li>
|
||
<li>util/linux/process_memory_range.cc</li>
|
||
</ul>
|
||
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