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On 2009-09-25T13:30:30+00:00 Matthias Klose wrote:

libgcc3_uno.so is built as part of OpenOffice.org; when built with 2.19.91 an
exception is thrown; when built with 2.19.1, the application starts fine.
Tracked down to the patches for the ARM unwind table linker processing.

 - attaching revert.diff, when applied to the 2.20 branch, builds a working
   library.
 - http://people.canonical.com/~doko/tmp/test.tar.gz has the testcase,
   together with two prebuilt libraries.

I don't know if this is a bug in binutils, or in the uno2cpp bridge for
ARM.

Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/0

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On 2009-09-25T13:31:06+00:00 Matthias Klose wrote:

Created attachment 4230
reversion of the unwinder changes

Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/1

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On 2009-09-27T07:09:35+00:00 Matthias Klose wrote:

filed as well http://www.openoffice.org/issues/show_bug.cgi?id=105359

Comment from Paul Brook on irc:

  I guess you get to debug it then.  Figure out what's wrong with
  the unwind tables, and where that bogosity comes from. My WAG
  would be that it works by chance before because it's picking up
  an unwind table from some other funciton.  After the patch we're
  inserting cantunwind markers for code that can't be unwound,
  so the latent failure is exposed.


Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/3

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On 2009-10-08T15:07:44+00:00 Matthias Klose wrote:

this is fixed in 2.20 and trunk by Jakub's cfi_sections patch, and the fix for
GCC PR 40521

Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/5

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On 2009-10-21T11:28:49+00:00 Matthias Klose wrote:

I made a mistake with testing, 40521 didn't fix this.

Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/9

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On 2009-10-21T11:30:01+00:00 Matthias Klose wrote:

I see now the same exception with the unwinder changes reverted. So
start again ...


Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/10

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On 2010-02-16T16:32:22+00:00 Matthias Klose wrote:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40860 shows regressions in the
libjava tests, which were tracked down to this change.


Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/13

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On 2010-03-15T14:39:10+00:00 Matthew Gretton-Dann wrote:

Following discussion and investigation this has been shown to be a problem in
OpenOffice's codebase and not a problem with ld.

See the following pages for mote information:
http://www.openoffice.org/issues/show_bug.cgi?id=105359 and
https://bugs.launchpad.net/ubuntu/+source/openoffice.org/+bug/417009

Reply at: https://bugs.launchpad.net/binutils/+bug/436617/comments/14


** Changed in: binutils
   Importance: Unknown => Medium

** Bug watch added: OpenOffice.org Issue Tracker #105359
   http://qa.openoffice.org/issues/show_bug.cgi?id=105359

** Bug watch added: GCC Bugzilla #40860
   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40860

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https://bugs.launchpad.net/bugs/436617

Title:
  ARM unwind table linker processing broke OO's uno2cpp

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