Emulating A Computer Run Time Environment
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Abstract
Emulating a computer run time environment as a component of a dynamic binary translation loop that translates target executable code compiled for execution on a target computer to code executable on a host computer of a kind other than the target computer, the target executable code including function calls to functions to be translated. Embodiments of the present invention include: determining, upon encountering in the binary translation loop a function call to a function to be translated, that the function call is a call to a host library function in a host native library; hashing a target executable image of the function to be translated from the target executable code, thereby producing a hash value; and using the hash value as an index to retrieve from a thunk table a host native address of the host library function in the host native library.
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