Messages in this thread | | | Date | Thu, 5 Mar 2015 13:47:33 +0000 | From | Dave Martin <> | Subject | Re: [RFC PATCH 0/1] Wrong structure alignment due to compiler attribute "section" |
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On Thu, Mar 05, 2015 at 02:20:43PM +0100, Lino Sanfilippo wrote: > On 05.03.2015 13:26, Dave Martin wrote: > > >> > >>So this is indeed a compiler bug, right? > > > >It certainly looks like the compiler is causing the issue somehow. > > > >Whether this is a bug, a bug-like feature, a configuration issue, > >or a combination of these is not clear. > > > >If you know where to find the toolchain source, it might be worth > >taking a look. > > The toolchain can be found here: > http://www.plugcomputer.org/405/us/gplugd/tool-chain/arm-marvell-linux-gnueabi.tar.bz2
Source code? That just looks like binaries to me.
> But since it turns out to be a compiler issue I dont know if its > worth to be investigated further. I think the best solution to avoid > that structure alignment problem is to simply use another toolchain.
Maybe not. Could be worth revisiting if other people report the same problem -- a build-time check that
> Dave, I thank you very much for your help and efforts to clarify > that this is actually not a bug in the kernel.
No probs. I have wondered whether it's really valid to assume that the linker can paste sections from different objects into a valid array like this.
There are other things that already work this way though -- such as the way .init_array/.fini_array are created when building a shared library.
Cheers ---Dave
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