<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Dec 3, 2013 at 9:02 PM, Rafael Espindola <span dir="ltr"><<a href="mailto:rafael.espindola@gmail.com" target="_blank">rafael.espindola@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: rafael<br>
Date: Tue Dec  3 20:02:55 2013<br>
New Revision: 196341<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=196341&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=196341&view=rev</a><br>
Log:<br>
Produce deterministic coff files.<br>
<br>
Added:<br>
    llvm/trunk/test/MC/COFF/timestamp.s<br>
Modified:<br>
    llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp<br>
<br>
Modified: llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp?rev=196341&r1=196340&r2=196341&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp?rev=196341&r1=196340&r2=196341&view=diff</a><br>

==============================================================================<br>
--- llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp (original)<br>
+++ llvm/trunk/lib/MC/WinCOFFObjectWriter.cpp Tue Dec  3 20:02:55 2013<br>
@@ -845,7 +845,8 @@ void WinCOFFObjectWriter::WriteObject(MC<br>
<br>
   Header.PointerToSymbolTable = offset;<br>
<br>
-  Header.TimeDateStamp = sys::TimeValue::now().toEpochTime();<br>
+  // We want a deterministic output. It looks like GUN as also writes 0 in here.<br></blockquote><div><br></div><div>GNU?</div><div><br></div><div>-- Sean Silva</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

+  Header.TimeDateStamp = 0;<br>
<br>
   // Write it all to disk...<br>
   WriteFileHeader(Header);<br>
<br>
Added: llvm/trunk/test/MC/COFF/timestamp.s<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/COFF/timestamp.s?rev=196341&view=auto" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/COFF/timestamp.s?rev=196341&view=auto</a><br>

==============================================================================<br>
--- llvm/trunk/test/MC/COFF/timestamp.s (added)<br>
+++ llvm/trunk/test/MC/COFF/timestamp.s Tue Dec  3 20:02:55 2013<br>
@@ -0,0 +1,4 @@<br>
+// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s -o - | llvm-readobj -h | FileCheck %s<br>
+<br>
+// CHECK: ImageFileHeader {<br>
+// CHECK:   TimeDateStamp: {{.*}} (0x0)<br>
<br>
<br>
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</blockquote></div><br></div></div>