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239 lines
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<title>Architectures In Guile - Debugging with GDB</title>
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<a name="Architectures-In-Guile"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Disassembly-In-Guile.html#Disassembly-In-Guile">Disassembly In Guile</a>,
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Previous: <a rel="previous" accesskey="p" href="Lazy-Strings-In-Guile.html#Lazy-Strings-In-Guile">Lazy Strings In Guile</a>,
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Up: <a rel="up" accesskey="u" href="Guile-API.html#Guile-API">Guile API</a>
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<h5 class="subsubsection">23.3.3.21 Guile representation of architectures</h5>
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<p><a name="index-guile-architectures-2812"></a><a name="index-g_t_003cgdb_003aarch_003e-2813"></a>
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<span class="sc">gdb</span> uses architecture specific parameters and artifacts in a
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number of its various computations. An architecture is represented
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by an instance of the <code><gdb:arch></code> class.
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<p>The following architecture-related procedures are provided by the
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<code>(gdb)</code> module:
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<div class="defun">
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— Scheme Procedure: <b>arch?</b><var> object<a name="index-arch_003f-2814"></a></var><br>
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<blockquote><p>Return <code>#t</code> if <var>object</var> is an object of type <code><gdb:arch></code>.
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Otherwise return <code>#f</code>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>current-arch</b><var><a name="index-current_002darch-2815"></a></var><br>
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<blockquote><p>Return the current architecture as a <code><gdb:arch></code> object.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-name</b><var> arch<a name="index-arch_002dname-2816"></a></var><br>
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<blockquote><p>Return the name (string value) of <code><gdb:arch></code> <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-charset</b><var> arch<a name="index-arch_002dcharset-2817"></a></var><br>
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<blockquote><p>Return name of target character set of <code><gdb:arch></code> <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-wide-charset</b><var><a name="index-arch_002dwide_002dcharset-2818"></a></var><br>
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<blockquote><p>Return name of target wide character set of <code><gdb:arch></code> <var>arch</var>.
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</p></blockquote></div>
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<p>Each architecture provides a set of predefined types, obtained by
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the following functions.
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<div class="defun">
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— Scheme Procedure: <b>arch-void-type</b><var> arch<a name="index-arch_002dvoid_002dtype-2819"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>void</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-char-type</b><var> arch<a name="index-arch_002dchar_002dtype-2820"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>char</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-short-type</b><var> arch<a name="index-arch_002dshort_002dtype-2821"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>short</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-int-type</b><var> arch<a name="index-arch_002dint_002dtype-2822"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>int</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-long-type</b><var> arch<a name="index-arch_002dlong_002dtype-2823"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>long</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-schar-type</b><var> arch<a name="index-arch_002dschar_002dtype-2824"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>signed char</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uchar-type</b><var> arch<a name="index-arch_002duchar_002dtype-2825"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>unsigned char</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-ushort-type</b><var> arch<a name="index-arch_002dushort_002dtype-2826"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>unsigned short</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uint-type</b><var> arch<a name="index-arch_002duint_002dtype-2827"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>unsigned int</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-ulong-type</b><var> arch<a name="index-arch_002dulong_002dtype-2828"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>unsigned long</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-float-type</b><var> arch<a name="index-arch_002dfloat_002dtype-2829"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>float</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-double-type</b><var> arch<a name="index-arch_002ddouble_002dtype-2830"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>double</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-longdouble-type</b><var> arch<a name="index-arch_002dlongdouble_002dtype-2831"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>long double</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-bool-type</b><var> arch<a name="index-arch_002dbool_002dtype-2832"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>bool</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-longlong-type</b><var> arch<a name="index-arch_002dlonglong_002dtype-2833"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>long long</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-ulonglong-type</b><var> arch<a name="index-arch_002dulonglong_002dtype-2834"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>unsigned long long</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-int8-type</b><var> arch<a name="index-arch_002dint8_002dtype-2835"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>int8</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uint8-type</b><var> arch<a name="index-arch_002duint8_002dtype-2836"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>uint8</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-int16-type</b><var> arch<a name="index-arch_002dint16_002dtype-2837"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>int16</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uint16-type</b><var> arch<a name="index-arch_002duint16_002dtype-2838"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>uint16</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-int32-type</b><var> arch<a name="index-arch_002dint32_002dtype-2839"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>int32</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uint32-type</b><var> arch<a name="index-arch_002duint32_002dtype-2840"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>uint32</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-int64-type</b><var> arch<a name="index-arch_002dint64_002dtype-2841"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for an <code>int64</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<div class="defun">
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— Scheme Procedure: <b>arch-uint64-type</b><var> arch<a name="index-arch_002duint64_002dtype-2842"></a></var><br>
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<blockquote><p>Return the <code><gdb:type></code> object for a <code>uint64</code> type
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of architecture <var>arch</var>.
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</p></blockquote></div>
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<p>Example:
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<pre class="smallexample"> (gdb) guile (type-name (arch-uchar-type (current-arch)))
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"unsigned char"
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</pre>
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