Date: Tue, 25 May 2021 21:12:01 -0300 From: Daniel Gutson <danielgutson@...il.com> To: musl@...ts.openwall.com Subject: Re: Intel CET Support El mar., 25 may. 2021 8:00 p. m., Joao Moreira <joao@...rdrivepizza.com> escribió: > Hi, > > Long ago I sent some patches here to enable CET support within MUSL > (https://www.openwall.com/lists/musl/2020/10/19/3). > Did you intentionally remove the : in the label? If not, does this assembly without errors? How did you test this? @@ -49,7 +52,8 @@ feclearexcept: .global feraiseexcept .type feraiseexcept,@function -feraiseexcept: +feraiseexcept + ENDBRANCH32 > These patches were a result from some experiment I have been running > with clang, and to which I needed a suitable library. I understand that > the patches were not in their best shape, and I was a bit busy at the > time so I didn't really push this through. > > Either way, I'm now wondering if there is any interest from MUSL to > support CET. If yes, I can start working on an updated patch-set to be > sent here eventually. > > Additionally, if the support is of interest, it would also be > interesting to know if MUSL intends to support CET as specified in the > X86-64 ABI (where a single linked DSO without the CET bits set disables > the feature) or if you have something different in mind. > > Tks, > Joao. > Content of type "text/html" skipped
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