On Tue, Aug 23, 2011 at 03:09:31PM +1000, David Gibson wrote: > On Fri, Aug 19, 2011 at 01:23:38PM +0530, K.Prasad wrote: > > > > While PPC_PTRACE_SETHWDEBUG ptrace flag in PowerPC accepts > > PPC_BREAKPOINT_MODE_EXACT mode of breakpoint, the same is not intimated to > > the > > user-space debuggers (like GDB) who may want to use it. Hence we introduce a > > new PPC_DEBUG_FEATURE_DATA_BP_EXACT flag which will be populated on the > > "features" member of "struct ppc_debug_info" to advertise support for the > > same on Book3E PowerPC processors. > > I thought the idea was that the BP_EXACT mode was the default - if the > new interface was supported at all, then BP_EXACT was always > supported. So, why do you need a new flag? >
Yes, BP_EXACT was always supported but not advertised through PPC_PTRACE_GETHWDBGINFO. We're now doing that. Thanks, K.Prasad _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev