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<p class="MsoNormal">You want to set up a stop-hook.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">See “help target stop-hook”, specifically “help target stop-hook add”.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">target stop-hook add -o “register read pc”<o:p></o:p></p>
<p class="MsoNormal">will read the pc each time the target stops.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> lldb-dev <lldb-dev-bounces@lists.llvm.org> <b>On Behalf Of
</b>Vangelis Tsiatsianas via lldb-dev<br>
<b>Sent:</b> Friday, June 28, 2019 6:16 AM<br>
<b>To:</b> via lldb-dev <lldb-dev@lists.llvm.org><br>
<b>Cc:</b> Vangelis Tsiatsianas <vangelists@icloud.com><br>
<b>Subject:</b> [EXT] [lldb-dev] Enabling single-step mode and acting on each executed instruction<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hello,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I would like to set the target in single-step mode and perform an action right after each instruction is executed. Notably, it is crucial to do so transparently, i.e. without interfering with user breakpoints, watchpoints, stepping etc..<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Could you provide me with some guidance on how to accomplish it?
<span style="font-family:"Segoe UI Emoji",sans-serif">🙂</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have found the <span style="font-family:"FiraCode-Regular",serif">
target.process.thread.trace-thread</span> option and the relevant classes (<span style="font-family:"FiraCode-Regular",serif">ThreadPlanTracer</span> and
<span style="font-family:"FiraCode-Regular",serif">ThreadPlanAssemblyTracer</span>), which although seem to not work and also crash the debugger when enabled.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thank you very much, in advance.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">― Vangelis<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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