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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Josh,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Glad to hear this worked for you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I think there are problems with putting this into sys::getProcessTriple(). If that’s used for anything other than MCJIT (and I think it probably is) then appending
“-elf” wouldn’t be appropriate. Also, MCJIT isn’t always generating code for the current process, so this wouldn’t cover all its bases.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Probably a better solution (at least until MCJIT supports COFF, if it ever will) is to have MCJIT check the target triple and automatically add this if the
target OS is Windows-based. In general I don’t like MCJIT tinkering with client supplied settings, but since in this case the alternative is guaranteed to fail it’s probably a reasonable thing to do.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Andy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<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""> Joshua Klontz [mailto:josh.klontz@gmail.com]
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<b>Sent:</b> Tuesday, December 03, 2013 6:50 AM<br>
<b>To:</b> Kaylor, Andrew; yaron.keren@gmail.com<br>
<b>Cc:</b> Dev<br>
<b>Subject:</b> Re: [LLVMdev] MCJIT + Windows = Incompatible object format<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Bingo, thanks! Confirmed it works for both 32- and 64-bit targets.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Should `sys::getProcessTriple()` be updated with this change? According to the documentation:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> /// getProcessTriple() - Return an appropriate target triple for generating<o:p></o:p></p>
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<p class="MsoNormal"> /// code to be loaded into the current process, e.g. when using the JIT.<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 had to "-elf" to the result of this function for JIT to work on Windows.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">v/r,<o:p></o:p></p>
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<p class="MsoNormal">Josh<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal">On Mon, Dec 2, 2013 at 7:27 PM, Kaylor, Andrew <<a href="mailto:andrew.kaylor@intel.com" target="_blank">andrew.kaylor@intel.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">As Yaron said, you need to add “-elf” to the end of your target triple to get MCJIT to generate ELF
object in memory on Windows. This should work with 32- or 64-bit targets.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Andy</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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"">
<a href="mailto:llvmdev-bounces@cs.uiuc.edu" target="_blank">llvmdev-bounces@cs.uiuc.edu</a> [mailto:<a href="mailto:llvmdev-bounces@cs.uiuc.edu" target="_blank">llvmdev-bounces@cs.uiuc.edu</a>]
<b>On Behalf Of </b>Joshua Klontz<br>
<b>Sent:</b> Monday, December 02, 2013 1:18 PM<br>
<b>To:</b> Dev<br>
<b>Subject:</b> [LLVMdev] MCJIT + Windows = Incompatible object format</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Is the MCJIT infrastructure supported on Windows? I'm getting an "LLVM ERROR: Incompatible object format!" when running my project with both VS 2013 and Mingw_w64 (GCC 4.8.2). Looks
like this issue has been brought up before [1,2] and the answer is "almost". Any help would be greatly appreciated.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">v/r,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Josh<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[1] <a href="http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-January/046670.html" target="_blank">http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-January/046670.html</a><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[2] <a href="http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-August/052522.html" target="_blank">http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-August/052522.html</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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