Date: Wed, 14 Oct 2015 21:23:59 +0200 From: Alex <alexinbeijing@...il.com> To: musl@...ts.openwall.com Subject: Re: [PATCHv3 1/3] fix matching errors for overwritten registers in x86 CFI generation script On Wed, Oct 14, 2015 at 9:14 PM, Rich Felker <dalias@...c.org> wrote: > On Wed, Oct 14, 2015 at 12:21:05PM +0200, Alex wrote: > > This has been an interesting exercise so far. Is there any other arch > which > > you think it would be worthwhile to develop a CFI generation script for? > It > > should be something which has enough users to avoid problems with bitrot. > > CFI is probably a lot less interesting on archs where you have a > plenty registers not to need to manipulate stack frames in asm > functions, since in that case the debugger mostly works fine without > CFI. I don't know right off which of the other archs have significant > amounts of asm that adjusts the stack pointer, but you could go > through and check them. Having ABI info for them all would be helpful; > I'm pasting my draft ABI reference (which might have errors) below. Fair enough. If it's not likely to help anyone, I'll leave the CFI generation here. Another idea: are you interested in an implementation of POSIX AIO which uses the native AIO syscalls? Bad idea? Thanks, AD Content of type "text/html" skipped
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