What's the output object file format of GNU assembler as?

Posted by smwikipedia on Stack Overflow See other posts from Stack Overflow or by smwikipedia
Published on 2010-04-18T10:37:19Z Indexed on 2010/04/18 10:43 UTC
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gnu

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gas

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assembly

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linux

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c

I have checked the assembler options of GNU assembler as and I didn't find an option to specify the output object file format. If I am using the following command

as -o foobar.o foobar.s

What object file format will I get?

The as manual says that "The GNU as can be configured to produce several alternative object file formats." But how? How can I change it to a ELF format?

Many thanks.

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