[Lldb-commits] [PATCH] D30251: Map ELF files as writable so we can update the relocations in them
Tamas Berghammer via lldb-commits
lldb-commits at lists.llvm.org
Wed Feb 22 07:17:25 PST 2017
Sure, it isn't urgent at all. I created this as a resolution for the crash
reported by Ramana (
http://lists.llvm.org/pipermail/lldb-dev/2017-February/012001.html) but I
don't fully understand the use case he/she is working on when wanting to
open a ".o" file yet (but I still wanted to get rid of an LLDB crash).
On Wed, Feb 22, 2017 at 3:03 PM Zachary Turner <zturner at google.com> wrote:
Yea if this isn't urgent, can we wait for my other changes to go in?
Llvm does support mapping writable, but not through the same interface. So
it should still work
On Wed, Feb 22, 2017 at 6:43 AM Pavel Labath via Phabricator <
reviews at reviews.llvm.org> wrote:
labath added a reviewer: zturner.
labath added a comment.
Adding Zachary as he was about to remove this code.
The timing of this patch is a bit unfortunate, as it would complicate the
removal of the code in question. If I am not mistaken, llvm's version
currently does not support copy-on-write mappings, which is what we are
trying to do here. The c-o-w could certainly be added there, and we will
probably need to do it in the future, but I am not sure whether this is the
right time for it. I don't want to impede Zachary's cleanup effort due to a
"feature" that noone has serious commitment of supporting.
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