Importance

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Abstract

Systems and methods for efficient compilation and execution of program code. A compiler generates a plurality of families of object files, wherein each family comprises a set of system capabilities different from a set of another family. A link-editor receives the object files and stores a symbol capabilities table in a symbol capabilities section of an object file with a new file format. A symbol is associated with one or more instances, wherein each instance is associated with a different set of capabilities. In various embodiments, system capabilities may include a particular operating system, special-function additional instructions, or otherwise. Subsequent to creation of the single object file with multiple instances of a given function, a runtime linker chooses a given instance based on the capabilities of the platform on which the code is to be executed.

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First Claim