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<title>Debugging with GDB: GDB Scheme Data Types</title>
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<a name="GDB-Scheme-Data-Types"></a>
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<a name="GDB-Scheme-Data-Types-1"></a>
<h4 class="subsubsection">23.3.3.3 GDB Scheme Data Types</h4>
<a name="index-gdb-objects"></a>
<p>The values exposed by <small>GDB</small> to Guile are known as
<em><small>GDB</small> objects</em>. There are several kinds of <small>GDB</small>
object, and each is disjoint from all other types known to Guile.
</p>
<dl>
<dt><a name="index-gdb_002dobject_002dkind"></a>Scheme Procedure: <strong>gdb-object-kind</strong> <em>object</em></dt>
<dd><p>Return the kind of the <small>GDB</small> object, e.g., <code>&lt;gdb:breakpoint&gt;</code>,
as a symbol.
</p></dd></dl>
<p><small>GDB</small> defines the following object types:
</p>
<dl compact="compact">
<dt><code>&lt;gdb:arch&gt;</code></dt>
<dd><p>See <a href="Architectures-In-Guile.html#Architectures-In-Guile">Architectures In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:block&gt;</code></dt>
<dd><p>See <a href="Blocks-In-Guile.html#Blocks-In-Guile">Blocks In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:block-symbols-iterator&gt;</code></dt>
<dd><p>See <a href="Blocks-In-Guile.html#Blocks-In-Guile">Blocks In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:breakpoint&gt;</code></dt>
<dd><p>See <a href="Breakpoints-In-Guile.html#Breakpoints-In-Guile">Breakpoints In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:command&gt;</code></dt>
<dd><p>See <a href="Commands-In-Guile.html#Commands-In-Guile">Commands In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:exception&gt;</code></dt>
<dd><p>See <a href="Guile-Exception-Handling.html#Guile-Exception-Handling">Guile Exception Handling</a>.
</p>
</dd>
<dt><code>&lt;gdb:frame&gt;</code></dt>
<dd><p>See <a href="Frames-In-Guile.html#Frames-In-Guile">Frames In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:iterator&gt;</code></dt>
<dd><p>See <a href="Iterators-In-Guile.html#Iterators-In-Guile">Iterators In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:lazy-string&gt;</code></dt>
<dd><p>See <a href="Lazy-Strings-In-Guile.html#Lazy-Strings-In-Guile">Lazy Strings In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:objfile&gt;</code></dt>
<dd><p>See <a href="Objfiles-In-Guile.html#Objfiles-In-Guile">Objfiles In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:parameter&gt;</code></dt>
<dd><p>See <a href="Parameters-In-Guile.html#Parameters-In-Guile">Parameters In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:pretty-printer&gt;</code></dt>
<dd><p>See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>.
</p>
</dd>
<dt><code>&lt;gdb:pretty-printer-worker&gt;</code></dt>
<dd><p>See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>.
</p>
</dd>
<dt><code>&lt;gdb:progspace&gt;</code></dt>
<dd><p>See <a href="Progspaces-In-Guile.html#Progspaces-In-Guile">Progspaces In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:symbol&gt;</code></dt>
<dd><p>See <a href="Symbols-In-Guile.html#Symbols-In-Guile">Symbols In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:symtab&gt;</code></dt>
<dd><p>See <a href="Symbol-Tables-In-Guile.html#Symbol-Tables-In-Guile">Symbol Tables In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:sal&gt;</code></dt>
<dd><p>See <a href="Symbol-Tables-In-Guile.html#Symbol-Tables-In-Guile">Symbol Tables In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:type&gt;</code></dt>
<dd><p>See <a href="Types-In-Guile.html#Types-In-Guile">Types In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:field&gt;</code></dt>
<dd><p>See <a href="Types-In-Guile.html#Types-In-Guile">Types In Guile</a>.
</p>
</dd>
<dt><code>&lt;gdb:value&gt;</code></dt>
<dd><p>See <a href="Values-From-Inferior-In-Guile.html#Values-From-Inferior-In-Guile">Values From Inferior In Guile</a>.
</p></dd>
</dl>
<p>The following <small>GDB</small> objects are managed internally so that the
Scheme function <code>eq?</code> may be applied to them.
</p>
<dl compact="compact">
<dt><code>&lt;gdb:arch&gt;</code></dt>
<dt><code>&lt;gdb:block&gt;</code></dt>
<dt><code>&lt;gdb:breakpoint&gt;</code></dt>
<dt><code>&lt;gdb:frame&gt;</code></dt>
<dt><code>&lt;gdb:objfile&gt;</code></dt>
<dt><code>&lt;gdb:progspace&gt;</code></dt>
<dt><code>&lt;gdb:symbol&gt;</code></dt>
<dt><code>&lt;gdb:symtab&gt;</code></dt>
<dt><code>&lt;gdb:type&gt;</code></dt>
</dl>
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