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- Newsgroups: comp.sys.next.programmer
- Path: sparky!uunet!sun-barr!cs.utexas.edu!usc!sol.ctr.columbia.edu!destroyer!ubc-cs!fornax!oneill
- From: oneill@cs.sfu.ca (Richard O'Neill)
- Subject: Re: 3.0 gdb does not work? (Oh yes it does!)
- Message-ID: <1992Sep13.234632.27806@cs.sfu.ca>
- Keywords: gdb
- Organization: CSS, Simon Fraser University, Burnaby, B.C., Canada
- References: <1992Sep12.092712.706@extropia.wimsey.bc.ca>
- Date: Sun, 13 Sep 1992 23:46:32 GMT
- Lines: 57
-
- Miron Cuperman <miron@extropia.wimsey.bc.ca> writes:
- >When I try to run gdb, it fails to even create the child process.
- >For example, trying gdb on /bin/cat:
-
- Well, I took your example and tried it myself on my NS 3.0 (release) machine
- and it worked fine...
-
- Maybe your 3.0 installation is screwed or something...
-
- Richard.
-
- (Boring details follow...)
-
- >% gdb -nx /bin/cat
- >Reading symbol data from /bin/cat...
- >(no debugging symbols found)...done.
- >Reading symbol data from /usr/shlib/libsys_s.B.shlib...done.
- >(gdb) b abort
- >Breakpoint 1 at 0x505358a
- >(gdb) run
- >Starting program: /bin/cat
- >Program generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >Program generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >Program generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >Program generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >Program generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >^CProgram generated(1): Memory access exception on address 0x7d6f8 (invalid address).
- >Quit
- >0x501e7fa in _cproc_fork_child ()
- >(gdb) bt
- >#0 0x501e7fa in _cproc_fork_child ()
- >#1 0x502e444 in _cthread_fork_child ()
- >#2 0x5008544 in fork ()
- >#3 0x2ff2e in ?? ()
- >#4 0x1b83e in ?? ()
- >#5 0x3bea in ?? ()
- >#6 0x25d30 in ?? ()
- >#7 0x3cb8 in ?? ()
- >#8 0x3a78 in ?? ()
- >(gdb)
-
- % gdb /bin/cat
- Reading symbol data from /bin/cat...
- (no debugging symbols found)...done.
- Reading symbol data from /usr/shlib/libsys_s.B.shlib...done.
- (gdb) run
- Starting program: /bin/cat
- No apparent problems here...
- No apparent problems here...
- ^D
- Program exited normally.
- (gdb) Quit
- %
- --
- Composing a suitably apt and witty | [Mail to home machine is down right now]
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-