Date: Fri, 25 Aug 1995 00:15:44 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-hackers@freebsd.org (FreeBSD hackers) Subject: Re: gdb & MMAP Message-ID: <199508242215.AAA17528@uriah.heep.sax.de> In-Reply-To: <m0slj9f-0005PIC@rks32.pcs.dec.com> from "Gary Jennejohn" at Aug 24, 95 10:45:00 pm
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As Gary Jennejohn wrote: > > Anyway, I quickly identified the 2 places where HAVE_MMAP needs to be > defined and remade gdb with (as far as I can tell) no ill effects. But, > I also didn't notice any real benefits either. I'm forced to admit that > I haven't exactly stress-tested the new gdb, though. It's in gdb's (private -- hey why? why not link it against -lgnumalloc?) malloc library. The XFree86 folks are also experimenting with an mmap-based malloc(). I know that they do experience some problems, and David confirmed me that at least ``memory holes'' in a process' address space could cause some trouble. Just as a reminder... if it doesn't gain gdb anything, don't try to break it. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)
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