Compatible method of 64-bit Linux operating system for 32-bit application software

Abstract

The invention relates to a compatible method of a 64-bit Linux operating system for 32-bit application software. The compatible method comprises the steps of designing a 32-bit sub-system in a nucleus of a 64-bit operating system of a Loongson platform, judging a to-be-run program, selecting and calling a corresponding system, or judging the format of the application program through a pointer length, further selecting a system corresponding to the program, and calling an loader, a linker and a runtime library corresponding to the bit number of the program for execution. The compatible method of the 64-bit Linux operating system for the 32-bit application software has the beneficial effects that as application programs which cannot be deployed in a Loongson 64-bit Linux operating system such as a Linux platform within a short time or application programs which are relatively complicated to transfer from a 32-bit Linux operating system to the 64-bit Linux operating system and even unsuitable for a 64-bit platform can be completely run in the 32-bit sub-compatible sub-system of the 64-bit Linux operating system, resource utilization rate and running efficiency are guaranteed, system compatibility is improved, the number of applicable programs is increased, and popularization of application of the 64-bit Linux operating system is promoted.

Description

technical field [0001] The invention belongs to the field of computer software, and in particular relates to a method capable of being compatible with 32-bit application software in a 64-bit Linux operating system. Background technique [0002] In the same Linux operating system, such as Windows, Linux, Unix and other operating systems, there are usually two versions of 32-bit and 64-bit. The 32-bit computer Linux operating system has a long history and has developed many Well-known and applied applications, however, 64-bit systems are more suitable for customers who need a large amount of memory and floating point performance, and in the fields of mechanical design and analysis, 3D animation, video editing and creation, and scientific computing and high-performance computing Shine brightly, the 64-bit Linux operating system has greater addressability and data processing capabilities than the 32-bit Linux operating system, so the 64-bit operating system has natural advantage...

AI Technical Summary

Problems solved by technology

[0003] Based on the operating environment of the server Linux operating system and the types of services that need to be provided, it has become an inevitable trend for the 64-bit Linux operating system to eliminate the 32-bit Linux operating system in the server field. However, in the history of computer development, the 32-bit Linux operating system has become the mainstream system The version has been quite a long time, but the current 64-bit operating system is the Godson platform 64-bit Linux operating system architecture diagram, such as figure 1 As shown, it is not compatible with 32-bit software, and during the period of software transition from 32-bit to 64-bit, a large number of matching software appeared on the 32-bit Linux operating system. The migration to the 64-bit Linux operating system cannot be realized and completed for the time being, and customers may have special requirements for these 32-bit software and are unwilling to make changes. The new requirement is that the 64-bit Linux operating system can maintain compatibility with the 32-bit Linux operating system during the transition period between the complete replacement of the 32-bit Linux operating system by the 64-bit Linux operating system for such a long period of time , and there are no products or methods to solve these problems

Images