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[Bug ld/13616] linker should pad executable sections with nops, not zero


From: amodra at gmail dot com
Subject: [Bug ld/13616] linker should pad executable sections with nops, not zeros
Date: Thu, 31 Oct 2019 05:10:18 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=13616

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |amodra at gmail dot com

--- Comment #9 from Alan Modra <amodra at gmail dot com> ---
Not so, this really is a ld problem.  Some object files use a technique called
code pasting, where pieces of a function are pasted together from multiple
object files.  If those pieces are in sections that are aligned greater than
the smallest instruction size, then padding may be inserted between the pieces.
 ld must only insert nops for this scheme to work.

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