Compiler operates in various phases each phase transforms the source program from one representation to another Six phases of compiler design are 1) Lexical analysis 2) Syntax analysis 3) Semantic analysis 4) Intermediate code generator 5) Code optimizer 6) Code Generator Lexical Analysis is the first phase when compiler scans the source code. The use of a cross-compiler is one of the defining. A compiler such as this-that runs on one computer platform and produces code for another-is called a cross-compiler. It simply doesn’t make sense to execute the compiler on the embedded system itself. In the embedded systems case, this compiler almost always runs on the host computer. Examples of system software Text editor, assembler, compiler, loader or linker. ![]() System programs are intended to support the operation and use of the computer itself, rather than any particular application. 7 1.2 System Software and Machine Architecture System Software vs Application One characteristic in which most system software differs from application software is machine dependency.
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