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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>Yep, done that already, but it is not at all a good fit when the device is inside a drone flying around ;-) What we do have, is a fake file-system that keeps everything in memory, and after the profiling is completed we offload it for analysis. I guess I was hoping that there would be a more robust system agnostic implementation. Use of ‘</span><span style='font-family:"Courier New";mso-fareast-language:EN-US'>mmap</span><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>’ is similarly constraining.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Nicholas Wilson [mailto:iamthewilsonator@hotmail.com] <br><b>Sent:</b> 25 May 2017 14:39<br><b>To:</b> Martin J. O'Riordan <martin.oriordan@movidius.com><br><b>Cc:</b> LLVM Developers <llvm-dev@lists.llvm.org><br><b>Subject:</b> Re: [llvm-dev] [compiler-rt] '-fprofile-generate' and embedded systems<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Well you could always write a ‘filesystem’ that shunts all data out the serial port (or similar). <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On 25 May 2017, at 9:12 pm, Martin J. O'Riordan via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>What is the best way of porting the ‘</span><span style='font-family:"Courier New"'>compiler-rt</span><span style='font-family:"Book Antiqua",serif'>’ Profile library for an embedded system with no file-system (and hence no ‘</span><span style='font-family:"Courier New"'>fopen</span><span style='font-family:"Book Antiqua",serif'>’, etc.)?</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>What I would like to do is use it as normal, but then use a custom solution for getting the resulting data off the system. It seems that this library (and the other compiler-rt libraries) are designed only to work with a hosted system.</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>Are there any other embedded targets that this has been adapted for which would have similar constraints?</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'>Thanks,</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> MartinO</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Book Antiqua",serif'> </span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br>LLVM Developers mailing list<br></span><a href="mailto:llvm-dev@lists.llvm.org"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#954F72'>llvm-dev@lists.llvm.org</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br></span><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#954F72'>http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</span></a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>