Date: Mon, 28 May 2012 01:03:47 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: Possible ARM struct stat problem. * Rich Felker <dalias@...ifal.cx> [2012-05-27 15:43:19 -0400]: > On Sun, May 27, 2012 at 01:35:07PM -0500, Richard Pennington wrote: > > Hi, > > > > I think a found a problem with the struct stat definition for the ARM. It > > needed a bit more padding. I've attached a diff and wrote about it on my blog > > if you'd like more information. > > > > http://ellcc.org/blog/?p=121 > > This looks like a clang bug. Per the ABI, long long has 8-byte > alignment on ARM. Thus, the structure definition musl has right now > will give the right layout to match the ABI, and in fact it works > perfectly when compiled with GCC. > > I'm not entirely opposed to putting the explicit padding in there, > since this is an arch-specific structure anyway, but I think you > should check your compiler. The same issue might come up elsewhere and > might not be so easy to work around. > > Let me know what you find. hm i have an /usr/include/asm-generic/stat.h (kernel header) and it has a struct stat and struct stat64 and they seem to have different padding than the musl definition
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