FRAME_SP
cpustate.md_tf.tf_regs[FRAME_SP] = alpha_pal_rdusp(); /* XXX */
DBREG(sp, FRAME_SP),
FRAME_SP,
addr = DDB_REGS->tf_regs[FRAME_SP] - FRAME_SIZE * 8;
gdb_regs[KGDB_REG_SP ] = regs->tf_regs[FRAME_SP];
regs->tf_regs[FRAME_SP ] = gdb_regs[KGDB_REG_SP];
l->l_md.md_tf->tf_regs[FRAME_SP] = alpha_pal_rdusp();
alpha_pal_wrusp(l->l_md.md_tf->tf_regs[FRAME_SP]);
FRAME_AT, FRAME_GP, FRAME_SP, -1,
l->l_md.md_tf->tf_regs[FRAME_SP] = alpha_pal_rdusp();
l->l_md.md_tf->tf_regs[FRAME_SP]);
alpha_pal_wrusp(l->l_md.md_tf->tf_regs[FRAME_SP]);
#define FRAME_SW_SIZE (FRAME_SP + 1)
ddb_regs.tf_regs[FRAME_SP] = pcb.pcb_hw.apcb_ksp;