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Path: sserve!manuel!munnari.oz.au!spool.mu.edu!caen!uakari.primate.wisc.edu!ames!data.nas.nasa.gov!taligent!apple!motcsd!xhost92.csd.mot.com!ajv From: ajv@xhost92.csd.mot.com Newsgroups: comp.unix.bsd Subject: Re: Shared Libs for X11?, was Re: 386bsd -- The New Newsgroup Message-ID: <7104@motcsd.csd.mot.com> Date: 15 Sep 92 16:32:40 GMT References: <18iprpINNg6e@agate.berkeley.edu> <1992Sep8.200625.2894@socrates.umd.edu> <veit.716026274@du9ds3> <18lkkkINN14d@agate.berkeley.edu> <veit.716107923@du9ds3> <7dnL02y821gh01@JUTS.ccc.amdahl.com> <veit.716291291@du9ds3> <1992Sep14.232949.9093@bby.com.au> Sender: usenet@motcsd.csd.mot.com Lines: 14 gnb@duke.bby.com.au (Gregory N. Bond) writes: >... Instead, do it like >SunOs does: include just enough stuff in the prolog to mmap() in a >dynamic linker (/usr/lib/ld.so) written in PIC (with no global data) >and jump to it. Have it do all the fixups, then return. Unmmap it >and call the main() routine. I thought ld.so was left in, and it got entered as new entry points were called. Kind of a lazy relocation scheme. With the interesting side effect that your program could die in the middle when it finally jumped to a symbol which was determined to be "undefined". Andy Valencia