Messages in this thread | | | Subject | Re: [PATCH] C undefined behavior fix | From | Momchil Velikov <> | Date | 03 Jan 2002 01:28:42 +0200 |
| |
>>>>> "Paul" == Paul Mackerras <paulus@samba.org> writes:
Paul> Tom Rini writes:
>> Okay, here's a summary of all of the options we have: >> 1) Change this particular strcpy to a memcpy >> 2) Add -ffreestanding to the CFLAGS of arch/ppc/kernel/prom.o (If this >> optimization comes back on with this flag later on, it would be a >> compiler bug, yes?) >> 3) Modify the RELOC() marco in such a way that GCC won't attempt to >> optimize anything which touches it [1]. (Franz, again by Jakub) >> 4) Introduce a function to do the calculations [2]. (Corey Minyard) >> 5) 'Properly' set things up so that we don't need the RELOC() macros >> (-mrelocatable or so?), and forget this mess altogether.
Paul> I would add:
Paul> 6) change strcpy to string_copy so gcc doesn't think it knows what the Paul> function does
GCC thinks exactly what the function does.
- 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/
| |