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<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Hi,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">I tried Jason Molenda’s test code on El Capitan, lldb-340.4.119 (Jason Molenda via lldb-dev | 3 Oct 02:59 2015).<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">I’m connected to a remote VM using ssh.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""> <o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">tst$ echo 'int main () { }' > /tmp/a.c<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">tst$ xcrun clang /tmp/a.c -o /tmp/a.out<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">tst$ xcrun lldb /tmp/a.out<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb) target create "/tmp/a.out"<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Current executable set to '/tmp/a.out' (x86_64).<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb) r<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">error: process exited with status -1 (unable to attach)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb) run<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">error: process exited with status -1 (unable to attach)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb) quit<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">tst$ ps -ef|grep a.out<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""> 502 33174 1 0 12:20PM ttys000 0:00.00 /tmp/a.out<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""> 502 33187 1 0 12:20PM ttys000 0:00.00 /tmp/a.out<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">I can’t even kill those using kill -9.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">What’s going on here?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">I tried the above because in fact I had a process which a segmentation fault 11, here’s what lldb makes out of the core dump:
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">txt$ lldb /cores/core.33158<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb) target create "/cores/core.33158"<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">warning: (x86_64) /cores/core.33158 load command 175 LC_SEGMENT_64 has a fileoff<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""> + filesize (0x31c57000) that extends beyond the end of the file (0x31c56000), t<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">he segment will be truncated to match<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">warning: (x86_64) /cores/core.33158 load command 176 LC_SEGMENT_64 has a fileoff<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""> (0x31c57000) that extends beyond the end of the file (0x31c56000), ignoring thi<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">s section<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Current executable set to '/cores/core.33158' (x86_64).<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">(lldb)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Is this related? Compiled with g++ :<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">tst$ g++ --version<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-inc<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">lude-dir=/usr/include/c++/4.2.1<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Apple LLVM version 7.0.2 (clang-700.1.81)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Target: x86_64-apple-darwin15.0.0<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Thread model: posix<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New""><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Thx,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" face="Courier New"><span style="font-size:10.0pt;
font-family:"Courier New"">Andre<o:p></o:p></span></font></p>
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