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Message-Id: <F4C8EA33-9721-47A5-BEC6-5A29A7072989@shiz.me>
Date: Mon, 28 Dec 2020 18:01:45 +0100
From: Shiz <hi@...z.me>
To: musl@...ts.openwall.com
Cc: darkkirb@...kkirb.be
Subject: Re: [PATCH] Add support for LLVM's Control Flow Integrity (V2)
Hi,
It seems to me guarding all of those with #ifdef __clang__ is not the optimal approach.
What if another compilers decides to pick up the spec, or an older non-CFI
Clang is used to compile? I think it's more logical to check the no_sanitize attribute
with a functional test (like __has_attribute), and to just apply the used attribute
unconditionally.
- Shiz
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