On 30/05/14 10:32, Alexander Graf wrote:
>> + case KVM_HW_BP:
>> + if (find_hw_breakpoint(arch_info->addr, -1, arch_info->type)) {
>> + ret = EXCP_DEBUG;
>> + }
>> + break;
>> + case KVM_SINGLESTEP:
>> + if (cs->singlestep_enabled) {
>> + ret = EXCP_DEBUG;
>> + }
>> + break;
>> + default:
>> + ret = -ENOSYS;
>> + }
>> +
>> + return ret;
>
> What happens to the diag 501 now? Are we safe to just drop it?
There can only be a small number of HW breakpoints (basically only one from-to
range on s390).
So gdb can (and will) use both (hbreak vs. break)
