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luhan / google-breakpad

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dump_syms and thread-local variables on OS X #632

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
It appears that dump_syms doesn't work with thread-local variables on OS X. The 
code below gives no symbols dumped:

======
__thread int v = 0;
int main()
{
  return v;
}  
======

Removing the __thread keyword fixes the issue. Please see the attached project 
for a working sample of the bug.

See here for the discussion regarding the issue: 
https://github.com/embree/embree/issues/23

This happens on OS X for me, but can also be an issue on any other unix-based 
platform. We used dump_syms built by Mozilla guys, not exactly sure about its 
version - it is not easy to build one from scratch.

Original issue reported on code.google.com by vitaly.o...@gmail.com on 3 Feb 2015 at 2:12

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