[Bug ld/21076] (cygwin) Output DLL import lookup/address tables are incorrect

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21076

Nick Clifton <nickc at redhat dot com> changed:

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                 CC|                            |nickc at redhat dot com

--- Comment #1 from Nick Clifton <nickc at redhat dot com> ---
Hi Alex,

  Without a testcase this is going to be a hard problem to investigate.

  I would guess that the problem is going to be related to the large size of
the objects involved.  Possibly there is a 32-bit variable somewhere that ought
to be 64-bits, or something like that.

  The place that I suggest you start looking is the ld/pe-dll.c source file. 
Maybe tracing things back from the make_singleton_name_imp() function will
help.

  Since this sounds like a memory corruption bug, you might also try using some
of the memory leak detection tools to help you, eg valgrind, or mallopt.  Or
compiling the linker with detection enabled, eg -fsanitize=address or
-fsanitize=undefined.

Cheers
  Nick

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