[Xen-devel] Re: possible changes was Re: [PATCH] make domu_debug run-time option + fix int3 handling for MP

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> No differentiation is made between setting / removing int3 and other
> modifications to memory in ptrace, /proc or the GDB stub protocol. 
> What you're
> basically asking is to move debugger state into xen by having xen know 
> about who
> put what breakpoints where. This is a non-trivial imposition and 
> incompatible
> with the tools with which I am acquainted.
How else can we be sure what to do with int3 traps? Unless Xen can 
account for debugger-inserted int3's, any 'solution' will be a kludge.
 -- Keir


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