On 15.01.2014, at 18:29, Ulrich Weigand <ulrich.weig...@de.ibm.com> wrote:
> Alexander Graf <ag...@suse.de> wrote on 14.01.2014 23:40:20: >> On 14.01.2014, at 23:06, Thomas Falcon <tlfal...@linux.vnet.ibm.com> > wrote: >> >>> This patch allows registers to be properly read from and written to >>> when using the gdbstub to debug a ppc guest running in little >>> endian mode. It accomplishes this goal by byte swapping the values of >>> any registers only if the MSR:LE value is set and if the host machine >>> is big endian. >>> >>> Signed-off-by: Thomas Falcon<tlfal...@linux.vnet.ibm.com> >> >> Uli, I thought ppc64le gdb wasn't finalized yet? What does the >> gdbstub layout look like? Are all fields the same as ppc64(be) but >> simply byte swapped - including FPR ones? > > Hi Alex, yes, the layout of the gdb protocol packets should be the > same as on BE, except that all registers are byte-swapped. This > includes FPRs and VPRs. Phew - I don't think we have byte swapping primitives above 64bit :). But good, then let's abstract this whole swappiness one level higher as indicated in my previous email. That way we're guaranteed to not miss any fields by accident. Alex
