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1.3 Object File Formats

The GNU assembler can be configured to produce several alternative object file formats. For the most part, this does not affect how you write assembly language programs; but directives for debugging symbols are typically different in different file formats. See section Symbol Attributes. On the machine specific, as can be configured to produce either a.out or COFF format object files. On the machine specific, as can be configured to produce either b.out or COFF format object files. On the machine specific, as can be configured to produce either SOM or ELF format object files.