Re: [git pull] x86 updates

From: H. Peter Anvin
Date: Tue Feb 05 2008 - 16:10:16 EST


Ingo Molnar wrote:

btw., what's the practical consequence of getting these section flags wrong - for example writable data can end up in executable section accidentally and be marked readonly by RODATA? Or can anything more serious happen? (they cannot get into any of the discarded sections, we filter for them explicitly in the linker scripts)


The practical consequences are probably zero - *except* for getting the "a" flag wrong, as !a sections will never be loaded.

Technically we should also specify @progbits or @nobits on sections, however, I think @progbits is the default.

-hpa
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