GDB_SP
gdb_regs[GDB_SP] = p->thread.kregs->sp;
for (i = GDB_O0; i < GDB_SP; i++)
gdb_regs[GDB_SP] = t->ksp;
for (i = GDB_O0; i < GDB_SP; i++)
gdb_regs[GDB_SP] = t->ksp;
gdb_regs[GDB_SP] = p->thread.sp;
regno == GDB_SP || regno == GDB_ORIG_AX)