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DragonFly kernel List (threaded) for 2005-09
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Re: Different versions of system calls in assembly language

From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 29 Sep 2005 09:35:36 -0700 (PDT)

:On Thu, Sep 29, 2005 at 08:44:29AM -0700, Matthew Dillon wrote:
::     For historical reasons (meaning that the original authors of the
:So that's why there is one marked COMPAT BSD and the other STD BSD.
::     Generally speaking, you should not be calling int 0x80 directly
::     but should instead call into libc, but I understand you are trying
:Actually, I would happily use the libc call instead.  I declared mmap as an
:extern, and that's the one I got.  Is there a _mmap I should be calling
:instead?  I'm linking to libc, but somehow I'm getting the direct mmap call.

    No, its just 'mmap'.  I have no idea why you might be getting the 
    wrong one.  Is this from assembly code?  

    Try writing some C code to call mmap, cc -S it, and see what it 

					Matthew Dillon 

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