Code to Running Process

Parts of the system

Compiler

• C/C++ compiler
  • Front end
    • Parse command line
    • Finds header files
    • Expands all macros
    • Combines all headers and code file into one
    • Parses the combined file
  • Intermediate language
  • Target specific backend
  • Object file

Linker

• Combines Multiple object files into executables or dynamically linked libraries
• Resolves imports
• Fixes up relocations
• Reads ld file for memory allocation instructions and linker symbols
• Produces exe or dynamic library

Kernel

Loader