Re: Link time optimizations (Nor Jaidi)
14 Feb 1996 21:22:42 -0500

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From: (Nor Jaidi)
Newsgroups: comp.compilers
Date: 14 Feb 1996 21:22:42 -0500
Organization: Compilers Central
References: 96-02-088 96-02-104
Keywords: linker, optimize

Earlier I posted the following:

>Procedure calls are segment-relative and this is also invisible.
>Anyway, you also have to consider the possibility of indirect call (via
>pointer to function). (Another "damn it!" I guess)

I realise now that I am wrong. Procedure calls are not invisible in
the obj file because there is a possibility that two obj files use the
same segment name and these must be merged, hence relocation must
occur. When I posted my previous message I was thinking of compiler
output where the segment names are distinct (derived from the source
file names). But I forgot that the assembly language programmers are
still out there and the obj file format must cater for their taste!

Nor Jaidi
Department of Mathematics
Universiti Brunei Darussalam

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