Messages in this thread | | | Date | Thu, 15 Jul 2004 21:28:52 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH][2.6.6-rc3] gcc-3.4.0 fixes |
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Linus Torvalds wrote: > > I don't see any point where we cast any function pointers to anything > else. > > We cast data pointers all over the place, but that is actually guaranteed > to work in C for some "large enough" integer type, and "unsigned long" is > pretty much it. >
It would be nice at some point to switch that to [u]intptr_t, before someone comes up with 128-bit machines (in other words, no rush whatsoever, but after seeing Sony build processors with 128-bit integer registers I'm willing to believe it's just a matter of time...) The other thing about it is that it's nice to be explicit about the "pointer-sized integerness" of it all.
> And even function pointers should be safeish. The fact that some broken > architecture (can you say "ia64"?) has totally idiotic calling conventions > and requires the caller to load the GP value is _their_ problem. The > architecture will either die or hide the fact that it's being silly. For > now it's hiding it. > > Repeat after me: practice is more important than theory. A _lot_ more > important.
Indeed.
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