On 2015-12-09 at 20:04 'Davide Libenzi' via Akaros wrote: > Adding RSI, RDI, ECX as clobbers does not work. But marking them RW > does.
yep! that's what i was aiming for. =) will try it out tomorrow. barret > > > https://github.com/brho/akaros/compare/master...dlibenzi:gcc_fuggetaboud_ecx_v2 > > The following changes since commit > 2fa42319139e4cc5ca853546363f84443d0ead00: > > Rename 'reallocarray' to 'kreallocarray'. (2015-11-25 18:02:04 > -0500) > > are available in the git repository at: > > [email protected]:dlibenzi/akaros gcc_fuggetaboud_ecx_v2 > > for you to fetch changes up to > 3d4a4ec56106e29a31265eed30db6d77cf0bfc53: > > Flags RSI, RDI, ECX as RW operands so that GCC does not assume const > (2015-12-09 19:55:47 -0800) > > ---------------------------------------------------------------- > Davide Libenzi (1): > Flags RSI, RDI, ECX as RW operands so that GCC does not assume > const > > kern/arch/x86/uaccess.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kern/arch/x86/uaccess.h b/kern/arch/x86/uaccess.h > index cba0ef5..f8edaf4 100644 > --- a/kern/arch/x86/uaccess.h > +++ b/kern/arch/x86/uaccess.h > @@ -101,8 +101,8 @@ struct extable_ip_fixup { > " jmp 2b\n" \ > ".previous\n" \ > _ASM_EXTABLE(1b, 3b) \ > - : "=r"(err) \ > - : "D" (dst), "S" (src), "c" (count), "i" (errret), "0" (err) \ > + : "=r"(err), "+D" (dst), "+S" (src), "+c" (count) \ > + : "i" (errret), "0" (err) \ > : "memory") > > static inline int __put_user(void *dst, const void *src, unsigned int > count) > -- You received this message because you are subscribed to the Google Groups "Akaros" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
