UMBC CMSC 313, Computer Organization & Assembly Language, Fall 2003, Section 0101

Compiling, Assembling & Linking

Tuesday 09/30, 2001

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Assigned Reading in Murdocca & Heuring:  5.1-5.3

Assigned Reading in Neveln:   

Assigned:   

Due:   

Topics Covered:

• Slides are available in PDF: Slides10.pdf
• Overview of the compilation process: lexical analysis, parsing, code generation, assembling and linking & loading.
• Did not do as much on assembling to machine code as the slides would suggest.
• Looked at linking & loading in Unix in some detail.

Programs shown:

• Demonstrating how separately compiled programs are linked: sep1.asm, sep1.lst, sep2.asm, sep2.lst and sep.txt.
• A program that shows you can jump to a defined in a different file. The loader must then patch the relative offset in the jump instruction. (This program was not show in class.) sep3.asm and sep3.txt.