DragonFly bugs List (threaded) for 2003-08
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Re: FIXED! (was Re: Linux emulation)
-On [20030820 07:02], Matthew Dillon (dillon@xxxxxxxxxxxxxxxxxxxx) wrote:
> It's fixed. It took a very long time to track down. I had to fetch
> the debian source packages for glibc to figure out where it was dying.
I was working from 2.2.4 glibc sources as well.
> It was a my-bad. I thought I had maintained the zeroing of %edx on
> program startup but I forgot that system calls load the return value
> into %eax,%edx and this was overriding the zero'd out registers.
At first I was thinking it might be a function in the linux_file.c or
linux_misc.c, so I was spending a lot of time there, adding debugging
stuff. Only thing I could think of was with the termination of the
code. Glad you could find it.
> Linux needs %edx to be NULL on program startup. If it isn't linux
> registers it as an atexit() function.
Heh, spiffy.
> I still can't completely install linux_base-6, but I'm hoping the
> remaining issues are not OS-related. Perhaps Jeroen can take it up
> from here now that I fixed the my-bad.
I'll hunt it down... Thanks Matt.
--
Jeroen Ruigrok van der Werven <asmodai(at)wxs.nl> / asmodai
PGP fingerprint: 2D92 980E 45FE 2C28 9DB7 9D88 97E6 839B 2EAC 625B
http://www.tendra.org/ | http://www.in-nomine.org/~asmodai/diary/
The spirit indeed is willing, but the flesh is weak...
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