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On Tue, Jan 08, 2002 at 02:05:09PM +0000, Anthony DeRobertis wrote: > Change gcc. Recompile world. All should work, assuming your gcc changes are > bug-free, no one made assumptions about stack layout, no one wrote assembly > code, etc. [In other words, after 4 months of debugging you might get X > running again...] And, of course, the same for all other software. But for a highly secure project, for instance, that might be worth it. > Some architectures have hardware assistance for downward growing stacks. One > example is 68K. I think x86 does too. OTOH, I don't think PPC does, though I > haven't read the Green Book recently. 68K has predecrement/postincrement addressing modes (I'm not sure that counts as "forcing" the stack to grow downwards); PPC has a symmetrical load/store-with-update IIRC. Jeroen - 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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