regarding tracepoint support on a stub

[ankit thukral <ankit_plug@yahoo.com>]

hi all,
      i was going through the GDB support for
tracepoints and the packets it sends to the stub.i
thought of collecting the registers on the gdbserver
side using a single ptrace to collect all the
registers and then store the ones requested instead of
a ptrace for each register. the problem i now face is
: there are 3 different ptrace requests for collecting
registers,viz,PTRACE_GETREGS, PTRACE_GETFPREGS and
PTRACE_GETFPAREGS.how do i determine (on the stub
side) which of these to call as i don't have anything
on the GDBSERVER side (or so i guess) which would
categorize a register to an integer or a float
register.
      also,please suggest if there is a better way in
which i can accomplish the above(i.e.,implementation
of collecting registers in a better way). 

thanks in advance,
ankit.

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