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<title>Debugging with GDB: Frame Info</title>
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<a name="Frame-Info"></a>
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<div class="header">
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<p>
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Next: <a href="Frame-Filter-Management.html#Frame-Filter-Management" accesskey="n" rel="next">Frame Filter Management</a>, Previous: <a href="Selection.html#Selection" accesskey="p" rel="prev">Selection</a>, Up: <a href="Stack.html#Stack" accesskey="u" rel="up">Stack</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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<hr>
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<a name="Information-About-a-Frame"></a>
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<h3 class="section">8.4 Information About a Frame</h3>
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<p>There are several other commands to print information about the selected
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stack frame.
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</p>
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<dl compact="compact">
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<dt><code>frame</code></dt>
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<dt><code>f</code></dt>
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<dd><p>When used without any argument, this command does not change which
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frame is selected, but prints a brief description of the currently
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selected stack frame. It can be abbreviated <code>f</code>. With an
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argument, this command is used to select a stack frame.
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See <a href="Selection.html#Selection">Selecting a Frame</a>.
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</p>
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<a name="index-info-frame"></a>
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<a name="index-info-f-_0028info-frame_0029"></a>
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</dd>
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<dt><code>info frame</code></dt>
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<dt><code>info f</code></dt>
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<dd><p>This command prints a verbose description of the selected stack frame,
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including:
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</p>
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<ul>
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<li> the address of the frame
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</li><li> the address of the next frame down (called by this frame)
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</li><li> the address of the next frame up (caller of this frame)
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</li><li> the language in which the source code corresponding to this frame is written
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</li><li> the address of the frame’s arguments
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</li><li> the address of the frame’s local variables
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</li><li> the program counter saved in it (the address of execution in the caller frame)
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</li><li> which registers were saved in the frame
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</li></ul>
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<p>The verbose description is useful when
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something has gone wrong that has made the stack format fail to fit
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the usual conventions.
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</p>
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</dd>
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<dt><code>info frame <var>addr</var></code></dt>
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<dt><code>info f <var>addr</var></code></dt>
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<dd><p>Print a verbose description of the frame at address <var>addr</var>, without
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selecting that frame. The selected frame remains unchanged by this
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command. This requires the same kind of address (more than one for some
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architectures) that you specify in the <code>frame</code> command.
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See <a href="Selection.html#Selection">Selecting a Frame</a>.
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</p>
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<a name="index-info-args"></a>
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</dd>
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<dt><code>info args</code></dt>
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<dd><p>Print the arguments of the selected frame, each on a separate line.
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</p>
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</dd>
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<dt><code>info locals</code></dt>
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<dd><a name="index-info-locals"></a>
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<p>Print the local variables of the selected frame, each on a separate
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line. These are all variables (declared either static or automatic)
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accessible at the point of execution of the selected frame.
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</p>
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</dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Frame-Filter-Management.html#Frame-Filter-Management" accesskey="n" rel="next">Frame Filter Management</a>, Previous: <a href="Selection.html#Selection" accesskey="p" rel="prev">Selection</a>, Up: <a href="Stack.html#Stack" accesskey="u" rel="up">Stack</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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