[Bug ld/28743] -z relro creats holes in the process image on GNU/Linux

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28743

--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Florian Weimer from comment #9)
> Created attachment 13890 [details]
> ehframeopt.tar.gz
> 
> A reproducer.
> 
> $ ./ehframeopt  | head -n 5
> 00400000-00401000 r--p 00000000 00:25 506445                            
> /tmp/ehframeopt/ehframeopt
> 00401000-00407000 r-xp 00001000 00:25 506445                            
> /tmp/ehframeopt/ehframeopt
> 00407000-0040f000 r--p 00007000 00:25 506445                            
> /tmp/ehframeopt/ehframeopt
> 00410000-00411000 r--p 0000f000 00:25 506445                            
> /tmp/ehframeopt/ehframeopt
> 00411000-00412000 rw-p 00010000 00:25 506445                            
> /tmp/ehframeopt/ehframeopt
> 
> Gap is before the 00410000 line.  The reproducer is a bit fickle, the gap
> doesn't grow larger merely by increasing the number of object files.
> 

Florian, can you try my patch?

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