Re: Looking for definition of inw and/or __inw on x86

H. Peter Anvin (hpa@transmeta.com)
8 Sep 1998 18:14:22 GMT

Followup to: <00ad01bddb0a$f525e820$04c809c0@Fake.Domain.com>
By author: "Anthony Barbachan" <barbacha@trill.cis.fordham.edu>
In newsgroup: linux.dev.kernel
>
> I finally got the function definition. The problem was that I was compiling
> my modules with just a gcc -c modname.c. Since the inlined functions in
> asm/io.h are extern the compiler kept expecting a definition for __inw and
> __inwc. This leads to another question, why in the world are the INLINED
> functions in asm-i386/io.h declared as extern?
>
> BTW, thanks to all those who helped.
>

To keep gcc from generating a copy of the function body for every
single module just in case some luser compiles without -O. It makes
the error manifest. Read the gcc manual for more info.

-hpa

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