Re: [patch] x86: ptrace and core-dump extensions for xstate

[H. Peter Anvin]

On 02/04/2010 02:05 PM, Suresh Siddha wrote:
> 
> So in the example you provided before:
> 
>         struct iovec iov = { mybuffer, mylength };
>         ret = ptrace(PTRACE_GETREGSET, NT_X86_XSTATE, &iov);
> 
> You wanted to propose common data format (iov) for all of the NT_* ?
> 

How about encoding the regset number into the command, e.g.
ptrace(PTRACE_GETREGS(NT_X86_XSTATE), length, buffer)

... where we have ...

#define PTRACE_GETREGS(r) (((r) << 16) | PTRACE_GETREGS_CMD)

... or something like that?

	-hpa

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