The bpha command is similar to the bpa command except that it forces the use of a hardware register.

bpha命令类似于bpa命令，差别在于它强制使用硬件寄存器。

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The BPH and bpha commands can be used (provided the architecture supports use of hardware registers) to apply read and write breakpoints.

可以使用bph和bpha命令(假如体系结构支持使用硬件寄存器)来应用读写断点。

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