Method for detecting error of program control flow
A technology for error detection and control flow, applied in program control design, error detection/correction, instrumentation, etc., can solve the problem of inability to solve reliability and performance, increased program performance impact, and no perfect solution to control flow errors, etc. question
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[0057] figure 1 is a schematic diagram of the basic block label format.
[0058] The basic block label consists of two parts: the basic label code and the code used for the internal control flow detection of the basic block. The basic label encoding of each basic block is the encoding of the sequence number of the basic block in the total basic block list of the program, which is unique; while the encoding of the internal control flow detection of the basic block is the internal control flow detection instruction required by the block The binary encoding of the count, which occupies the last few digits of the entire basic block label.
[0059] figure 2 Is the general flowchart of the present invention. Include the following steps:
[0060] In the first step, the program that requires control flow detection is compiled by a compiler to generate an assembler.
[0061] The second step is to identify the basic blocks of the assembly program and determine the routing relation...
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