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96 lines
4.3 KiB
HTML
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<title>Pointer Values (Debugging with GDB)</title>
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<a name="Pointer-Values"></a>
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Next: <a href="Memory-Transfer.html#Memory-Transfer" accesskey="n" rel="next">Memory Transfer</a>, Previous: <a href="Integral-Datatypes.html#Integral-Datatypes" accesskey="p" rel="prev">Integral Datatypes</a>, Up: <a href="Protocol_002dspecific-Representation-of-Datatypes.html#Protocol_002dspecific-Representation-of-Datatypes" accesskey="u" rel="up">Protocol-specific Representation of Datatypes</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Pointer-Values-1"></a>
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<h4 class="unnumberedsubsubsec">Pointer Values</h4>
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<a name="index-pointer-values_002c-in-file_002di_002fo-protocol"></a>
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<p>Pointers to target data are transmitted as they are. An exception
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is made for pointers to buffers for which the length isn’t
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transmitted as part of the function call, namely strings. Strings
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are transmitted as a pointer/length pair, both as hex values, e.g.
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</p>
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<div class="smallexample">
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<pre class="smallexample"><code>1aaf/12</code>
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</pre></div>
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<p>which is a pointer to data of length 18 bytes at position 0x1aaf.
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The length is defined as the full string length in bytes, including
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the trailing null byte. For example, the string <code>"hello world"</code>
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at address 0x123456 is transmitted as
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</p>
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<div class="smallexample">
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<pre class="smallexample"><code>123456/d</code>
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