Appeal No. 1998-0718
Application No. 08/400,779
The disclosed invention pertains to a method and
apparatus for monitoring the execution of a software program
on a computer system.
Representative claim 4 is reproduced as follows:
4. A system for monitoring execution of a software
program having a plurality of executable instructions on a
computer system, said system comprising:
storage means for storing a plurality of monitoring
programs;
instrumentation means for modifying said software program
for execution monitoring by replacing one of said plurality of
executable instructions with an invocation of a first one of
said plurality of monitoring programs, said instrumentation
means comprising:
means for copying one of said plurality of instructions
to said first monitoring program;
means for replacing said one of said plurality of
instructions in said software program with an instruction
invoking said first monitoring program; and
means for returning control from said first monitoring
program to said software program upon completion of said
first monitoring program; and
means for invoking a second of said plurality of
monitoring programs from said first monitoring program before
returning control to said software program.
The examiner relies on the following references:
Haswell-Smith 4,866,665 Sep. 12, 1989
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