mfinkle, is this crashing on any/the first xptcall invocation? Or just a specific one? Stepping through it an instruction at a time and printing registers would be helpful; a gdb command that does 'si ; x/i $pc ; info reg' would probably be helpful, instead of 'step 1' above.
mfinkle, is this crashing on any/the first xptcall invocation? Or just a specific one? Stepping through it an instruction at a time and printing registers would be helpful; a gdb command that does 'si ; x/i $pc ; info reg' would probably be helpful, instead of 'step 1' above.