Method and device for multiple executable binaries with static links

A method for multiple executable binaries with static links to generate a fixed binary at build time, comprising:

• compiling non-modified source program files including a header file containing a reference table to generate object files;
• and
• linking statically the generated object files with an undefined symbol file to generate the fixed binary;
• wherein the reference table contains symbols of functions and variables of a modifiable binary which are referred by the fixed binary, and the undefined symbol file comprises a symbol list which records which symbols are defined in the fixed binary but only referred to by the modifiable binary;
• wherein when the fixed binary is statically linked, the undefined symbol file is used to avoid garbage collection.

A method for multiple executable binaries with static links to generate a modifiable binary at build time, comprising:

• compiling modified source program files including a header file containing a reference table to generate object files;
• and
• linking statically the generated object files with an extra symbol file to generate the modifiable binary;
• wherein the reference table contains symbols of functions and variables of the modifiable binary which are referred by a fixed binary, and the extra symbol file comprises a symbol list which records which symbols are defined in the fixed binary but referred to by the modifiable binary;
• wherein when the modifiable binary is statically linked, the extra symbol file is used to reduce a linking time to avoid all symbols of the fixed binary are provided.

A device for executing multiple executable binaries with static links at runtime, comprising:

• one or more processors;
• one storage, storing a fixed binary, a first modifiable binary and a first reference table;
• one or more memories, downloading the fixed binary, the first modifiable binary and the first reference table from the storage;
• and
• a host bus, coupled to the one or more processors, the storage and the one or more memories;
• wherein
• the fixed binary generated from non-modified source program file has symbols of functions and variables with fixed addresses;
• the first modifiable binary generated from modified source program files has symbols of functions and variables with changed addresses;
• and
• the first reference table contains the symbols of functions and variables of the first modifiable binary which are referred by the fixed binary;
• wherein the first modifiable binary refers to the symbols of the fixed binary directly, and the fixed binary refers to the symbols of functions and the variables of the first modifiable binary through the first reference table.