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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The .symtab has symbols; you could define a label for the instruction, and store something in the symbol table entry for the label. This kind of thing would
be done in the MC layer.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This would be one way to provide annotations that aren't needed for execution. If you need to change the instruction itself, for example to have the instruction
refer to memory somewhere, then you need to modify the instruction itself.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--paulr<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> llvm-dev [mailto:llvm-dev-bounces@lists.llvm.org]
<b>On Behalf Of </b>Liad Mordekoviz via llvm-dev<br>
<b>Sent:</b> Thursday, December 14, 2017 2:37 AM<br>
<b>To:</b> llvm-dev<br>
<b>Subject:</b> [llvm-dev] Help adding entries to .symtab<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi everyone,<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 am fairly new to LLVM, I'm working on a new backend.<o:p></o:p></p>
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<p class="MsoNormal">I am trying to add information to a specific instruction using the .symtab in the ELF format.<o:p></o:p></p>
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<p class="MsoNormal">I've been searching through the LLVM source code trying to find a way to do such a thing.<o:p></o:p></p>
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<p class="MsoNormal">Can anyone help me with some directions or point me to some documents in the matter.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks, Liad.<o:p></o:p></p>
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