Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [GIT PULL] x86 setup: correct booting on 486 (revised) | Date | Tue, 06 Nov 2007 10:04:13 -0700 |
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"H. Peter Anvin" <hpa@zytor.com> writes:
> Jeremy Fitzhardinge wrote: >> H. Peter Anvin wrote: >>> The ELF note format is sane enough, although it looks like it's not >>> self-terminating, so we'd either need an offset and a length field, or >>> adopt the convention that namesz = descsz = type = 0 terminates the >>> block (I prefer the latter, myself.) >> >> Hm, I think offset+length would be better: it's how they're represented >> in a normal ELF file, so you can just extract the length if you're >> extracting the notes. Also, generating a terminating note with the >> current linker-based notes machinery would be a bit of a pain. > > .notes : { > *(.note.*) > . = ALIGN(4); > LONG(0); > LONG(0); > LONG(0); > } > > Am I missing something?
I don't think adding a length any harder.
The all zero note is reserved so using it this way should be ok. Regardless this sounds like a sane thing to be looking at.
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