Method and apparatus for collecting execution status data of str

Details Method and apparatus for collecting execution status data of str Method and apparatus for collecting execution status data of str

1989-07-12

1992-08-25

Clark, David L.

Excavating

371 19, 364DIG2, 3642804, 3642678, G06F 945

Patent

active

051426790

ABSTRACT:
Method and apparatus provide for collecting execution status data in the execution of an object program. In compiling a source program described in a structured format to an object program, a PROBE instruction for starting a data collecting program for collecting the execution status data, with a block identification number in an operand field thereof, is inserted at a position of an exit sentence indicating an exit of the program block. When the PROBE instruction is registered in an instruction execution register of an execution unit during a period of the execution of the object program, the data collecting program is started to collect the execution status data, which is then stored in a store table.

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Flanagan, H. W.; "Program Monitoring Technique", IBM Technical Disclosure Bulletin; vol. 13, No. 8, Jan. 1971, pp. 2399-2401.
Harward, L. D.; "PL/1 Trace Program", IBM Technical Disclosure Bulletin; vol. 13, No. 4, Sep. 1970; pp. 855-857.
Schlaeppi, H. D. et al.; "Debugging System Compatible With Optimizing Compiler", IBM Technical Disclosure Bulletin; vol. 22, No. 6, Nov. 1979; pp. 2578-2583.

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