Code positioning method and device

Abstract

The code locating method disclosed in the present invention includes: storing the first program code block in the internal memory into a cache; respectively obtaining update parameters in the target program code and update parameters in the first program code block at the current moment; When the update parameter in the target program code is different from the update parameter in the first program code block at the current moment, storing the second program code block in the internal memory into the cache. The invention also provides a code positioning device. In the code location method and device provided by the present invention, when the first program code block is updated, the second program code block stored in another address is updated simultaneously with the first program code block, therefore, the second program code block is stored to the cache, and use the second program code block in the cache as the target program code, so as to ensure the normal execution of the machine language program and further enable the normal progress of the compilation process.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, and more specifically, to a method and device for locating codes in a compiling process. Background technique [0002] A compiler is a bridge that converts a high-level language program into a machine language program executable by the processor. Usually, when compiling, the compiler compiles the execution steps in the high-level language program to form a machine-executable program code block, and stores the program code block in memory. Wherein, the program code block includes auxiliary information such as a functional instruction and a storage address of the functional instruction. When executing a machine language program, the processor reads the program code blocks according to the execution flow, and executes the functional instructions in the program code blocks. Because the program code block is stored in the memory, and when the processor executes the machine langu...

AI Technical Summary

Problems solved by technology

If the processor has already prefetched the original program code block into the high-speed cache at this time, due to hardware defects, the processor cannot forcibly abandon the cached original program code block, which further leads to the inability to prefetch the new program code block, that is, the high-speed memory cannot be completed. cache cleaning

The processor can only read and execute the original function instructions in the original program code block, so that the execution of the machine language program is abnormal, which further causes the compilation process to be abnormal

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