The compiler specifies the errors at the end of compilation with line numbers when there are any errors in the source code. The errors must be removed before the compiler can successfully recompile the source code again. In the object file, linker searches and append all libraries needed for execution of file.
It regulates memory space that code from each module will hold. It also merges two or more separate object programs and establishes link among them.
Generally, linkers are of two types :. The loader is special program that takes input of object code from linker, loads it to main memory, and prepares this code for execution by computer. Loader allocates memory space to program.
Even it settles down symbolic reference between objects. It in charge of loading programs and libraries in operating system. In them, code is executed through ROM. Generally, loader has three types of approach :. Your email address will not be published. Linker Linker is a computer program that links and merges various object files together in order to make an executable file. All these files might have been compiled by separate assembler. Loader Loader is a part of operating system and is responsible for loading executable files into memory and execute them.
It calculates the size of a program instructions and data and create memory space for it. It initializes various registers to initiate execution.
Macro Macro is a single line abbreviation for group of instructions. With the help of macro, programmer can define a single "instruction" to represent block of code. Most of the points are very interesting to read. Thanks for your help. I am glad that I saw this post. It is informative blog for us and we need this type of blog thanks for share this blog, Keep posting such instructional blogs and I am looking forward for your future posts.
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