[Bug bootstrap/50237] [4.7 regression] comparison failure caused by HAVE_INITFINI_ARRAY check
joseph at codesourcery dot com
gcc-bugzilla@gcc.gnu.org
Wed Aug 31 16:20:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50237
--- Comment #14 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-08-31 15:46:46 UTC ---
On Wed, 31 Aug 2011, hjl.tools at gmail dot com wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50237
>
> --- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-31 15:44:02 UTC ---
> (In reply to comment #12)
> >
> > Arrange for the contents to have appropriate text values you can check for
> > with grep (or if you wish a custom C program to run on the build system to
> > examine ELF structures - only ELF needs to be considered for this, after
> > all, and I think at this point you may even be able to rely on having
> > libiberty already built for the build system, complete with the
> > simple-object-elf code).
>
> .init_array section is an array of pointers. How do you grep it?
You arrange for the pointers to be assigned values whose bytes happen to
correspond to text (endian-independent text, ideally). Just like using
grep to determine target endianness or floating point format.
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