On Mon, Aug 11, 2008 at 04:06:43PM +0200, Arnd Bergmann wrote: > I saw this conversation on IRC when I came back to my screen, and > managed to dig out an older patch of mine: > > [19:03:13] <willy> at some point we really need to forbid that > [19:03:28] <willy> bit hard at this point with things like memcpy() > [19:04:36] <willy> could do it with a script of some kind and > either a whitelist of filenames (arch/*/kernel/ksyms.c > can export anything) or of functions (anywhere can > EXPORT_SYMBOL(memcpy)). > [Sun Aug 10 2008] [19:07:35] <viro> I suspect that we really want > to teach *.S how to do exports > [Sun Aug 10 2008] [19:07:58] <viro> and kill ksyms.c > [Sun Aug 10 2008] [19:12:47] <dwmw2_gone> if we do the -fwhole-program > --combine thing we'll make it hard anyway > > I compile-tested this on powerpc, 32 and 64 bit, and it should be usable as > an example for other architectures. > The idea is to provide an EXPORT_SYMBOL macro for assembly that > behaves in the same way as the C version, and then export every > symbol from the file that defines it. >... On some architectures the kernel is linked with libgcc and symbols from libgcc are EXPORT_SYMBOL'ed. > Arnd <>< cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html