Single-step processing and selecting debugging modes

Details Single-step processing and selecting debugging modes Single-step processing and selecting debugging modes

2006-01-10

2006-01-10

Chan, Eddie (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Specialized instruction processing in support of testing,...

Reexamination Certificate

active

06986026

ABSTRACT:
In one embodiment, techniques are disclosed for causing a programmable processor to process one instruction at a time. Single-step debugging may be performed by taking an exception after each instruction or by invoking emulation mode after each instruction. The particular single-step debugging technique may be based upon state of control bits, or may be based upon the processor's current mode of operation, or both.

REFERENCES:
patent: 4308581 (1981-12-01), Raghunathan
patent: 5530804 (1996-06-01), Edgington et al.
patent: 5682310 (1997-10-01), Pedneau et al.
patent: 5740413 (1998-04-01), Alpert et al.
patent: 5790843 (1998-08-01), Borkenhagen et al.
patent: 6035422 (2000-03-01), Hohl et al.
“Efficient Mechanism for Multiple Debug Modes”, IBM Technical Disclosure Bulletin, Nov. 1995, vol. 38 Issue 11 □□ pp. 65-68.

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