do_send_trap
extern void do_send_trap(struct pt_regs *regs, unsigned long address,
do_send_trap(regs, mfspr(SPRN_DAC1), debug_status,
do_send_trap(regs, mfspr(SPRN_DAC2), debug_status,
do_send_trap(regs, mfspr(SPRN_IAC1), debug_status,
do_send_trap(regs, mfspr(SPRN_IAC2), debug_status,
do_send_trap(regs, mfspr(SPRN_IAC3), debug_status,
do_send_trap(regs, mfspr(SPRN_IAC4), debug_status,