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| <title>Debugging with GDB: IPA Protocol Commands</title> |
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| Previous: <a href="IPA-Protocol-Objects.html#IPA-Protocol-Objects" accesskey="p" rel="prev">IPA Protocol Objects</a>, Up: <a href="In_002dProcess-Agent-Protocol.html#In_002dProcess-Agent-Protocol" accesskey="u" rel="up">In-Process Agent Protocol</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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| <a name="IPA-Protocol-Commands-1"></a> |
| <h4 class="subsection">30.1.2 IPA Protocol Commands</h4> |
| <a name="index-ipa-protocol-commands"></a> |
| |
| <p>The spaces in each command are delimiters to ease reading this commands |
| specification. They don’t exist in real commands. |
| </p> |
| <dl compact="compact"> |
| <dt>‘<samp>FastTrace:<var>tracepoint_object</var> <var>gdb_jump_pad_head</var></samp>’</dt> |
| <dd><p>Installs a new fast tracepoint described by <var>tracepoint_object</var> |
| (see <a href="IPA-Protocol-Objects.html#tracepoint-object">tracepoint object</a>). The <var>gdb_jump_pad_head</var>, 8-byte long, is the |
| head of <em>jumppad</em>, which is used to jump to data collection routine |
| in IPA finally. |
| </p> |
| <p>Replies: |
| </p><dl compact="compact"> |
| <dt>‘<samp>OK <var>target_address</var> <var>gdb_jump_pad_head</var> <var>fjump_size</var> <var>fjump</var></samp>’</dt> |
| <dd><p><var>target_address</var> is address of tracepoint in the inferior. |
| The <var>gdb_jump_pad_head</var> is updated head of jumppad. Both of |
| <var>target_address</var> and <var>gdb_jump_pad_head</var> are 8-byte long. |
| The <var>fjump</var> contains a sequence of instructions jump to jumppad entry. |
| The <var>fjump_size</var>, 4-byte long, is the size of <var>fjump</var>. |
| </p></dd> |
| <dt>‘<samp>E <var>NN</var></samp>’</dt> |
| <dd><p>for an error |
| </p> |
| </dd> |
| </dl> |
| |
| </dd> |
| <dt>‘<samp>close</samp>’</dt> |
| <dd><p>Closes the in-process agent. This command is sent when <small>GDB</small> or GDBserver |
| is about to kill inferiors. |
| </p> |
| </dd> |
| <dt>‘<samp>qTfSTM</samp>’</dt> |
| <dd><p>See <a href="Tracepoint-Packets.html#qTfSTM">qTfSTM</a>. |
| </p></dd> |
| <dt>‘<samp>qTsSTM</samp>’</dt> |
| <dd><p>See <a href="Tracepoint-Packets.html#qTsSTM">qTsSTM</a>. |
| </p></dd> |
| <dt>‘<samp>qTSTMat</samp>’</dt> |
| <dd><p>See <a href="Tracepoint-Packets.html#qTSTMat">qTSTMat</a>. |
| </p></dd> |
| <dt>‘<samp>probe_marker_at:<var>address</var></samp>’</dt> |
| <dd><p>Asks in-process agent to probe the marker at <var>address</var>. |
| </p> |
| <p>Replies: |
| </p><dl compact="compact"> |
| <dt>‘<samp>E <var>NN</var></samp>’</dt> |
| <dd><p>for an error |
| </p></dd> |
| </dl> |
| </dd> |
| <dt>‘<samp>unprobe_marker_at:<var>address</var></samp>’</dt> |
| <dd><p>Asks in-process agent to unprobe the marker at <var>address</var>. |
| </p></dd> |
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