ECS 30 Lecture Notes - Lecture 29: C Standard Library, Object File

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7 Jun 2018

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Lecture 29

Binary Files

Writing/reading structures

Compilation and execution

Compilation stages

- preprocessor → compiler → assembler → linker

#defineAGE21

Preprocessor stage:

- wherever it sees AGE it will replace with the number (i.e 21)

Compiler stage:

- Gather the assembly code

Assembler

- gather the assembly and transfer to binary code (that we cant read but processor can)

* object file

Linker stage

Link file to libraries that we use (i.e lib C)

Much easier to write multi-byte

object

Binary files are very convenient

for storing big binary objects

Binary good for storage

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