Method and apparatus for managing registers in a binary...

Details Method and apparatus for managing registers in a binary... Method and apparatus for managing registers in a binary...

2007-08-21

2007-08-21

An, Meng-Al T. (Department: 2193)

Data processing: software development, installation, and managem

Software program development tool

Testing or debugging

C717S124000, C717S127000, C717S136000, C717S138000, C717S139000

Reexamination Certificate

active

10610218

ABSTRACT:
The invention relates to managing registers during a binary translation mode in a virtual computing system. A set of registers is saved to memory before beginning to execute a series of blocks of translated code, and the contents of the set of registers are restored from memory later. A status register is maintained for tracking the status of each register within the set, the status indicating whether the contents are valid and whether the contents are saved in memory. Before the execution of each block, a determination is made as to whether the actions taken within the block relative to the registers are compatible with the current status of the registers. If the actions are not compatible, additional registers are saved to memory or restored from memory, so that the translation block can be executed.

REFERENCES:
patent: 5790825 (1998-08-01), Traut
patent: 5953520 (1999-09-01), Mallick
patent: 5995743 (1999-11-01), Kahle et al.
patent: 6895491 (2005-05-01), Kjos et al.
patent: 2004/0064668 (2004-04-01), Kjos et al.
patent: 2005/0273313 (2005-12-01), Carroll et al.

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