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On Monday 12 June 2006 22:12, Alan Cox wrote: > Ar Llu, 2006-06-12 am 20:11 +0200, ysgrifennodd Andi Kleen: > > The segment register needs an offset. So you need the linker to generate > > the offset from the base of the per cpu segment somehow. At compile time the > > address is not known so it cannot be done then. > > What happens if you put a section at zero and a section at non-fixed > address (aligned). In the asm macros you stick the variable in both, > using the zero based one for linker symbols and the non zero based one > for data, then discard the zero based one. Interesting idea. Maybe it'll work. > That used to work for old binutils which didn't care/spot if you were > discarding material you actually linked against. Not sure what todays > binutils does with it. AFAIK it warns at least. Might get noisy. -Andi - 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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