Path: utzoo!utgpu!watmath!clyde!att!rutgers!ucsd!ucbvax!ISUMVS.BITNET!F2.MJP
From: F2.MJP@ISUMVS.BITNET ("Mike Purtell")
Newsgroups: comp.sys.amiga.tech
Subject: resident library call feature of the linker(ALINK): HOW?
Message-ID: <8812171054.AA10776@ucbvax.Berkeley.EDU>
Date: 17 Dec 88 10:55:28 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 28

I noticed something in the AmigaDos Develper's Manual that I've never seen
anyone mention before.  It's the 'resident library call feature' of the linker
(ALINK).  The idea is that the loader opens the resident libraries and patches
my code so that JSR's for library routines are right to the routines in the
libraries.  This would save the use of a register for the library base and I
think it also bypasses the jump tables in the libraries making for more
efficient routine calls.

I want to do this.  I can't find enough information in the manual to figure it
out.  Apparently, some 'special software tool', mentioned only once in the
manual, is needed to create an object file with the resident library
definitions in it from an object file with absolute definitions.

I'll write the tool myself if I can find out exactly what the object file
is too look like after conversion.  I've already tried just converting the
symbol data units in the hunk_ext from type ext_abs to ext_res, but this didn't
seem to make any difference.

Can anyone help me?  Is this feature not really there?  Is it a bad idea to use
it?

In the search for knowledge I become more ignorant the more I search.
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Mike Purtell                        Bitnet:  f2.mjp@ISUMVS
PO BOX 1519                         Internet:  f2.mjp@MVS1.IASTATE.EDU
Ames, Iowa 50010-1519
USA                                 Institution:  Iowa State University
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