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<h5 class="subsubsection">23.3.3.13 Program Spaces In Guile</h5>

<p><a name="index-progspaces-in-guile-2654"></a><a name="index-g_t_003cgdb_003aprogspace_003e-2655"></a>A program space, or <dfn>progspace</dfn>, represents a symbolic view
of an address space. 
It consists of all of the objfiles of the program. 
See <a href="Objfiles-In-Guile.html#Objfiles-In-Guile">Objfiles In Guile</a>. 
See <a href="Inferiors-and-Programs.html#Inferiors-and-Programs">program spaces</a>, for more details
about program spaces.

   <p>Each progspace is represented by an instance of the <code>&lt;gdb:progspace&gt;</code>
smob.  See <a href="GDB-Scheme-Data-Types.html#GDB-Scheme-Data-Types">GDB Scheme Data Types</a>.

   <p>The following progspace-related functions are available in the
<code>(gdb)</code> module:

<div class="defun">
&mdash; Scheme Procedure: <b>progspace?</b><var> object<a name="index-progspace_003f-2656"></a></var><br>
<blockquote><p>Return <code>#t</code> if <var>object</var> is a <code>&lt;gdb:progspace&gt;</code> object. 
Otherwise return <code>#f</code>. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>progspace-valid?</b><var> progspace<a name="index-progspace_002dvalid_003f-2657"></a></var><br>
<blockquote><p>Return <code>#t</code> if <var>progspace</var> is valid, <code>#f</code> if not. 
A <code>&lt;gdb:progspace&gt;</code> object can become invalid
if the program it refers to is not loaded in <span class="sc">gdb</span> any longer. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>current-progspace</b><var><a name="index-current_002dprogspace-2658"></a></var><br>
<blockquote><p>This function returns the program space of the currently selected inferior. 
There is always a current progspace, this never returns <code>#f</code>. 
See <a href="Inferiors-and-Programs.html#Inferiors-and-Programs">Inferiors and Programs</a>. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>progspaces</b><var><a name="index-progspaces-2659"></a></var><br>
<blockquote><p>Return a list of all the progspaces currently known to <span class="sc">gdb</span>. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>progspace-filename</b><var> progspace<a name="index-progspace_002dfilename-2660"></a></var><br>
<blockquote><p>Return the absolute file name of <var>progspace</var> as a string. 
This is the name of the file passed as the argument to the <code>file</code>
or <code>symbol-file</code> commands. 
If the program space does not have an associated file name,
then <code>#f</code> is returned.  This occurs, for example, when <span class="sc">gdb</span>
is started without a program to debug.

        <p>A <code>gdb:invalid-object-error</code> exception is thrown if <var>progspace</var>
is invalid. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>progspace-objfiles</b><var> progspace<a name="index-progspace_002dobjfiles-2661"></a></var><br>
<blockquote><p>Return the list of objfiles of <var>progspace</var>. 
The order of objfiles in the result is arbitrary. 
Each element is an object of type <code>&lt;gdb:objfile&gt;</code>. 
See <a href="Objfiles-In-Guile.html#Objfiles-In-Guile">Objfiles In Guile</a>.

        <p>A <code>gdb:invalid-object-error</code> exception is thrown if <var>progspace</var>
is invalid. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>progspace-pretty-printers</b><var> progspace<a name="index-progspace_002dpretty_002dprinters-2662"></a></var><br>
<blockquote><p>Return the list of pretty-printers of <var>progspace</var>. 
Each element is an object of type <code>&lt;gdb:pretty-printer&gt;</code>. 
See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>, for more information. 
</p></blockquote></div>

<div class="defun">
&mdash; Scheme Procedure: <b>set-progspace-pretty-printers!</b><var> progspace printer-list<a name="index-set_002dprogspace_002dpretty_002dprinters_0021-2663"></a></var><br>
<blockquote><p>Set the list of registered <code>&lt;gdb:pretty-printer&gt;</code> objects for
<var>progspace</var> to <var>printer-list</var>. 
See <a href="Guile-Pretty-Printing-API.html#Guile-Pretty-Printing-API">Guile Pretty Printing API</a>, for more information. 
</p></blockquote></div>

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