93 lines
3.8 KiB
HTML
93 lines
3.8 KiB
HTML
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<head>
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<title>Debugging with GDB: BPF</title>
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Embedded-Processors.html#Embedded-Processors" rel="up" title="Embedded Processors">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="BPF"></a>
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<div class="header">
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<p>
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Next: <a href="M68K.html#M68K" accesskey="n" rel="next">M68K</a>, Previous: <a href="ARM.html#ARM" accesskey="p" rel="previous">ARM</a>, Up: <a href="Embedded-Processors.html#Embedded-Processors" accesskey="u" rel="up">Embedded Processors</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="BPF-1"></a>
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<h4 class="subsection">21.3.3 BPF</h4>
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<dl compact="compact">
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<dt><code>target sim <span class="roman">[</span><var>simargs</var><span class="roman">]</span> …</code></dt>
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<dd><p>The <small>GDB</small> BPF simulator accepts the following optional arguments.
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</p>
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<dl compact="compact">
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<dt><code>--skb-data-offset=<var>offset</var></code></dt>
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<dd><p>Tell the simulator the offset, measured in bytes, of the
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<code>skb_data</code> field in the kernel <code>struct sk_buff</code> structure.
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This offset is used by some BPF specific-purpose load/store
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instructions. Defaults to 0.
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</p></dd>
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</dl>
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</dd>
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