GDB_NPC
regs->npc = gdb_regs[GDB_NPC];
gdb_regs[GDB_NPC] = regs->npc;
gdb_regs[GDB_NPC] = t->kpc + 4;
regs->tnpc = gdb_regs[GDB_NPC];
gdb_regs[GDB_NPC] = regs->tnpc;
gdb_regs[GDB_NPC] = pc + 4;