Thursday, 7 August 2014

MA: Linker+Loader (explanation)

=====> COMPILATION PROCESS <======

                     |
                     |---->  Input is Source file(.c)
                     |
                     V
            +=================+
            |                 |
            | C Preprocessor  |
            |                 |
            +=================+
                     |
                     | ---> Pure C file ( comd:cc -E <file.name> )
                     |
                     V
            +=================+
            |                 |
            | Lexical Analyzer|
            |                 |
            +-----------------+
            |                 |
            | Syntax Analyzer |
            |                 |
            +-----------------+
            |                 |
            | Semantic Analize|
            |                 |
            +-----------------+
            |                 |
            | Pre Optimization|
            |                 |
            +-----------------+
            |                 |
            | Code generation |
            |                 |
            +-----------------+
            |                 |
            | Post Optimize   |
            |                 |
            +=================+
                     |
                     |--->  Assembly code (comd: cc -S <file.name> )
                     |
                     V
            +=================+
            |                 |
            |   Assembler     |
            |                 |
            +=================+
                     |
                     |--->  Object file (.obj) (comd: cc -c <file.name>)
                     |
                     V
            +=================+
            |     Linker      |
            |      and        |
            |     loader      |
            +=================+
                     |
                     |--->  Executable (.Exe/a.out) (com:cc <file.name> ) 
                     |
                     V
            Executable file(a.out)

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