Messages in this thread | | | From | Denys Vlasenko <> | Date | Tue, 7 Jun 2011 17:06:09 +0200 | Subject | Re: Status of function-sections work? |
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On Tue, Jun 7, 2011 at 10:43 AM, Josh Triplett <josh@joshtriplett.org> wrote: > On Tue, Jun 07, 2011 at 10:11:15AM +0200, Denys Vlasenko wrote: >> On Monday 06 June 2011 03:15, Josh Triplett wrote: >> > Hello, >> > >> > I found your work in 2010 on using function-sections and data-sections >> > to eliminate unused code in the kernel. I'd like to make use of this >> > work to try to build an extremely space-constrained kernel. >> > >> > It looks like a few of your patches made it into the kernel, but most of >> > the linker script changes don't seem to have made it in. I wanted to >> > find out the status of this work. Do you still have this working? Do >> > you have versions of your patches for current Linux? >> >> parisc uses ^ in some identifiers. Therefore we need something like >> [A-Za-z0-9_$^]* in linker script. This wasn't working with GNU ld - >> ^ is not a valid char for pattern. Use of more general [!.]* >> was also impossible - ! is not a valid char too. >> >> Therefore I asked binutils people to fix this (they agreed) and >> decided to wait for a fixed binutils to be released. > > Makes sense. Thanks for the explanation and status. > > Do you know if the fix has gone into binutils, either in a release or > the latest snapshot from version control? If not, does a patch exist?
Yes, latest released binutils has the fix. -- vda -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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