<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Mar 28, 2014 at 2:56 PM, gettimothy <span dir="ltr"><<a href="mailto:gettimothy@zoho.com" target="_blank">gettimothy@zoho.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"> <br><u></u><div><div style="font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif">
What is worse than things not working is when things start working and I don't know why.<br><br>After a hiatus in PHP land, I am back to Squeak Land and lo and behold, the Stack Interpreter 32 bit compiled and runs the 4.6 image.<br>
</div></div></blockquote><div><br></div><div>You've compiled a Cog VM. Let me take you through the version output:</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><div style="font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif"><br>That is if what you see below is in fact the Stack Interpreter.<br><br>Please let me know if it is not<br><br>Image<br>-----<br>/home/tty/usr/src/smalltalk/runStackVM32/Squeak4.6-13700.image<br>
Squeak4.6<br>latest update: #13700<br>Current Change Set: Unnamed1<br>Image format 6505 (32 bit)<br><br>Virtual Machine<br>---------------<br>/home/wm/usr/local/stackVM32/lib/squeak/4.0-2881/squeak<br>Croquet Closure Cog VM [CoInterpreter VMMaker.oscog-eem.641]<br>
</div></div></blockquote><div><br></div><div>^^ the CoInterpreter in the above is the interpreter class. If it was a Stack VM it would say StackInterpreter.</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><div style="font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif">Unix built on Mar 28 2014 12:22:20 Compiler: 4.8.2<br>platform sources revision VM: r2881 <a href="http://www.squeakvm.org/svn/squeak/branches/Cog" target="_blank">http://www.squeakvm.org/svn/squeak/branches/Cog</a> Date: 2014-03-13 20:45:37 -0400 Plugins: r2545 <a href="http://squeakvm.org/svn/squeak/trunk/platforms/Cross/plugins" target="_blank">http://squeakvm.org/svn/squeak/trunk/platforms/Cross/plugins</a><br>
CoInterpreter VMMaker.oscog-eem.641 uuid: c0305b66-db2d-45aa-8d25-267732aa1784 Mar 28 2014<br>StackToRegisterMappingCogit VMMaker.oscog-eem.641 uuid: c0305b66-db2d-45aa-8d25-267732aa1784 Mar 28 2014<br></div></div></blockquote>
<div><br></div><div>Likewise these two are the names and package version for the interpreter and JIT classes.</div><div><br></div><div>Here's what a (Spur) Stack VM looks like on the Mac:</div><div><br></div><div><div>
/Users/eliot/Cog/oscogvm/spurstackbuild/macbuild/Fast.app/Contents/MacOS/Squeak</div><div>4.0 4.0.2885 Mac OS X built on Mar 28 2014 12:25:04 Compiler: 4.2.1 (Apple Inc. build 5666) (dot 3) [Production Spur VM]</div><div>
StackInterpreter VMMaker.oscog-eem.658 uuid: e40c5fd5-9990-433f-bd76-2f8d0324e24f Mar 28 2014</div><div>VM: r2885 <a href="http://www.squeakvm.org/svn/squeak/branches/Cog">http://www.squeakvm.org/svn/squeak/branches/Cog</a> Date: 2014-03-28 12:19:16 -0700</div>
<div>Plugins: r2545 <a href="http://squeakvm.org/svn/squeak/trunk/platforms/Cross/plugins">http://squeakvm.org/svn/squeak/trunk/platforms/Cross/plugins</a></div></div><div><br></div><div>The above gets printed by supplying the -version option to the VM.</div>
<div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div style="font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif">
If so, then we have a second data point of building a Stack Interpreter on a 64 bit machine with 32 bit compat libs.<br><br> file squeak <br>squeak: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), not stripped<br>
<br>An interesting point of note is of note is that I was getting ready to debug a vm that would not run.<br>It was built with this configure command.<br><br><br><blockquote style="border:1px solid rgb(204,204,204);padding:7px;background-color:rgb(245,245,245)">
<div> ../../../platforms/unix/config/configure CC="gcc -m32" CXX="g++ -m32" --without-npsqueak CFLAGS="-g -O2 -msse2 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -DNDEBUG -DITIMER_HEARTBEAT=1 -DNO_VM_PROFILE=1 -DCOGMTVM=0 -DDEBUGVM=0" LIBS=-lpthread --x-libraries=/usr/lib --prefix=/home/tty/usr/local/stackVM32</div>
</blockquote> <br>and the result was a vm that built, but would hang waiting on what I believed was a signal.<br><br>Setting out to debug this non-running vm, I changed to -O2 flag to -Og which rhymes with 'd' and that spells "debugging".<br>
<br><br><br><blockquote style="border:1px solid rgb(204,204,204);padding:7px;background-color:rgb(245,245,245)"><div>../../../platforms/unix/config/configure CC="gcc -m32" CXX="g++ -m32" --without-npsqueak CFLAGS="-g -Og -msse2 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -DNDEBUG -DITIMER_HEARTBEAT=1 -DNO_VM_PROFILE=1 -DCOGMTVM=0 -DDEBUGVM=0" LIBS=-lpthread --x-libraries=/usr/lib --prefix=/home/tty/usr/local/stackVM32</div>
</blockquote> <br><br>And, lo and behold, no more trouble in River City. It ran.<br></div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>best,<div>Eliot</div>
</div></div>