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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Further to Renato's comments:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>While I don't know either about ELF or how llvm-dwarfdump reads it, I observe that if I run the failing test multiple times the hex numbers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>00000014 00000010 beaebe7f FDE cie=00000000 pc=00000000...beaebe7f<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>in the beaebe7f positions change between runs seemingly randomly (although they all start "be") (and a few other elements of such as the Data alignment factor and Return address column contain garbage), suggesting that it _may_ be something is being allocated on when run on ARM but not being filled in. But that diagnosis isn't certain obviously. (Unfortunately I can't currently run valgind on my pandaboard to check this directly.)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dave<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> llvm-commits-bounces@cs.uiuc.edu [mailto:llvm-commits-bounces@cs.uiuc.edu] <b>On Behalf Of </b>Renato Golin<br><b>Sent:</b> 07 February 2013 10:39<br><b>To:</b> Eli Bendersky<br><b>Cc:</b> LLVM Commits<br><b>Subject:</b> Re: [llvm] r174543 - Add a test for checking the current .debug_frame dumping capability.<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi Eli,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>This test is not working on ARM buildbots...<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a15/builds/16/steps/check-all/logs/LLVM%20%3A%3A%20DebugInfo__dwarfdump-debug-frame-simple.test">http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a15/builds/16/steps/check-all/logs/LLVM%20%3A%3A%20DebugInfo__dwarfdump-debug-frame-simple.test</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a9/builds/4861/steps/check-all/logs/LLVM%20%3A%3A%20DebugInfo__dwarfdump-debug-frame-simple.test">http://lab.llvm.org:8011/builders/clang-native-arm-cortex-a9/builds/4861/steps/check-all/logs/LLVM%20%3A%3A%20DebugInfo__dwarfdump-debug-frame-simple.test</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>thanks,<o:p></o:p></p></div><div><p class=MsoNormal>--renato<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On 6 February 2013 20:55, Eli Bendersky <<a href="mailto:eliben@google.com" target="_blank">eliben@google.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Author: eliben<br>Date: Wed Feb 6 14:55:06 2013<br>New Revision: 174543<br><br>URL: <a href="http://llvm.org/viewvc/llvm-project?rev=174543&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=174543&view=rev</a><br>Log:<br>Add a test for checking the current .debug_frame dumping capability.<br><br>The test is a binary placed in test/DebugInfo/Inputs, with a source C<br>file used for reference/reproducing. The source's first line is a clang<br>build command for reproducing the binary.<br><br><br>Added:<br> llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c<br> llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.o (with props)<br> llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test<br><br>Added: llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c<br>URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c?rev=174543&view=auto" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c?rev=174543&view=auto</a><br>==============================================================================<br>--- llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c (added)<br>+++ llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.c Wed Feb 6 14:55:06 2013<br>@@ -0,0 +1,14 @@<br>+// clang -c -g -o dwarfdump-test-32bit.elf.o -m32 dwarfdump-test-32bit.elf.c<br>+<br>+extern int glob;<br>+<br>+int foo(int arg) {<br>+ int a = arg * 2;<br>+ return a + glob;<br>+}<br>+<br>+int bar(int arg) {<br>+ int a = foo(arg) * foo(arg * 2);<br>+ return glob - foo(a);<br>+}<br>+<br><br>Added: llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.o<br>URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.o?rev=174543&view=auto" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.o?rev=174543&view=auto</a><br>==============================================================================<br>Binary file - no diff available.<br><br>Propchange: llvm/trunk/test/DebugInfo/Inputs/dwarfdump-test-32bit.elf.o<br>------------------------------------------------------------------------------<br> svn:mime-type = application/octet-stream<br><br>Added: llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test<br>URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test?rev=174543&view=auto" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test?rev=174543&view=auto</a><br>==============================================================================<br>--- llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test (added)<br>+++ llvm/trunk/test/DebugInfo/dwarfdump-debug-frame-simple.test Wed Feb 6 14:55:06 2013<br>@@ -0,0 +1,14 @@<br>+; RUN: llvm-dwarfdump %p/Inputs/dwarfdump-test-32bit.elf.o -debug-dump=frames | FileCheck %s -check-prefix FRAMES<br>+<br>+; FRAMES: .debug_frame<br>+; FRAMES-NOT: .eh_frame<br>+<br>+; FRAMES: 00000000 00000010 ffffffff CIE<br>+; FRAMES: Version: 1<br>+<br>+; FRAMES: 00000014 00000010 00000000 FDE cie=00000000 pc=00000000...00000022<br>+; FRAMES: 00000028 00000014 00000000 FDE cie=00000000 pc=00000030...00000080<br>+<br>+; FRAMES-NOT: CIE<br>+; FRAMES-NOT: FDE<br>+<br><br><br>_______________________________________________<br>llvm-commits mailing list<br><a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>