<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I’m trying to load a core file on Ubuntu 12, but I’m getting an assert in ThreadElfCore::CreateRegisterContextForFrame() because the arch.GetTriple().getOS() returns UnknownOS instead of Linux.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve stepped through loading my binary, and the target’s OS Is correctly set to Linux. But ProcessElfCore::DoLoadCore() has this code:<o:p></o:p></p><p class=MsoNormal> // Even if the architecture is set in the target, we need to override<o:p></o:p></p><p class=MsoNormal> // it to match the core file which is always single arch.<o:p></o:p></p><p class=MsoNormal> ArchSpec arch (m_core_module_sp->GetArchitecture());<o:p></o:p></p><p class=MsoNormal> if (arch.IsValid())<o:p></o:p></p><p class=MsoNormal> m_target.SetArchitecture(arch);<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The problem is Linux core files don’t have anything in them to indicate that they are Linux. Linux is identified through a note that is added by gcc/clang, but isn’t in the core file. So x86-64-unknown-Linux gets replaced by x86-64-unknown-unknown.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m thinking of changing this to not override the architecture if the target’s OS is Linux. Any thoughts?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>--<o:p></o:p></p><p class=MsoNormal>Qualcomm Innovation Center, Inc.<o:p></o:p></p><p class=MsoNormal>The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>