Debugging information generation system

Details Debugging information generation system Debugging information generation system

1997-03-28

1999-03-09

Trammell, James P.

G06F 9445

Patent

active

058812881

ABSTRACT:
A program development system in which the debugging apparatus is informed of all of the optimization processes which have been performed. A primitive storage unit stores record information for the optimization processes. The input unit receives an input of a variable and a value, or an input of a line where execution is to be halted. The primitive combining unit obtains record information showing the optimization processes. The code execution unit executes the execution code. The variable operation unit obtains the value of a variable based on relations between variables and resources. The output unit displays the obtained value of the variable. The line display unit displays the program or the generated execution code. The line information display unit displays, in line units, information relating to the optimization performed for each line, The operation-possible variable display unit displays, for each line, variables which can be set and referred to in the line. The optimization process display unit shows how the optimization affects each variable.

REFERENCES:
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patent: 5560009 (1996-09-01), Lenkov et al.
patent: 5805892 (1998-09-01), Nakajima
"A New Approach to Debugging Optimized Code", by G. Brooks et al., 8398 ACM Sigplan Notices, 27 (1992) Jul., No. 7.
"Optimizing Compilers Address Debugging and User Control Constraints", by H. Falk, Computer Design, vol. 27, No. 13, Jul. 1988.

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