sdb behavior
Pete Holsberg
pjh at mccc.edu
Wed May 1 01:04:41 AEST 1991
In article <11537 at uwm.edu> adk at csd4.csd.uwm.edu (Andrew D Kailhofer) writes:
=In article <1991Apr25.201206.12430 at mccc.edu> pjh at mccc.edu (Peter J. Holsberg) writes:
=>I have a program that dumps core but when I invoke sdb with the name of
=>the executable, sdb says "no source file." The command line I used is
=>simply "sdb program". Program was built from "cc -g -o program program.c".
=
=Being an habitual System V person, I've seen this sort of thing
=before. There are several ways that this can be caused, the best two
=contenders being (1) you aren't in the directory containing the source
=of your code, or (2) [and I believe this is your problem] the error
=actually occurred someplace inside a library call or some such like
=that.
It turns out that the error was in the kernel's floating point driver.
=You might want to try doing a 't' and seeing what the stack
=trace says, if it says anything. Sdb isn't really very smart, and
=gets pretty confrused if pointers get screwed up, which is also one of
=the things that causes library calls to blow up...
But why does it say "no source file"??? I'm in the directory that
contains core, program and program.c.
Pete
--
Prof. Peter J. Holsberg Mercer County Community College
Voice: 609-586-4800 Engineering Technology, Computers and Math
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Internet: pjh at mccc.edu Trenton Computer Festival -- 4/20-21/91
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