Date: Fri, 21 May 1999 08:18:49 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: Doug Rabson <dfr@nlsystems.com> Cc: hackers@freebsd.org, damian@cablenet.net Subject: Re: dlopen failure Message-ID: <XFMail.990521081849.jdp@polstra.com> In-Reply-To: <Pine.BSF.4.05.9905210929390.509-100000@herring.nlsystems.com>
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Doug Rabson wrote: > On Thu, 20 May 1999, John Polstra wrote: > >> In article <373C3F3F.A99DBD28@cablenet.net>, >> Damian Hamill <damian@cablenet.net> wrote: >> > I have a program that is dumping core. >> > >> > ----------------------------------------------- >> > Here's the gdb output; >> > >> > Program terminated with signal 6, Abort trap. >> > #0 0x800b728 in _kill () >> > (gdb) bt >> > #0 0x800b728 in _kill () >> > #1 0x800b34c in abort () >> > #2 0x8004aa2 in __assert () >> > #3 0x8003b4b in map_object () >> > #4 0x8002e9e in find_symdef () >> > #5 0x800334d in dlopen () >> > #6 0x8049a68 in Get_SQL_Driver (name=0x804c7e4 "mysql") at Vdb.c:150 >> > #7 0x8049ff9 in GetDefaultDriver () at Vdb.c:254 >> > #8 0x804a141 in VdbInit (user=0x804bfb1 "nobody", passwd=0x0) at >> > Vdb.c:329 >> > #9 0x8049316 in main () >> > #10 0x8048be5 in _start () >> >> I don't know what's going on here, but this stack trace can't be >> right. dlopen doesn't call find_symdef, and find_symdef doesn't >> call map_object. > > Isn't map_object() part of the a.out rtld? Both rtlds have functions named find_symdef() and map_object(). He indicated that it was an ELF system, so I assumed he was using the ELF rtld. In any case, my statement about the stack trace would be equally true for the a.out dynamic linker. :-) John --- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Self-interest is the aphrodisiac of belief." -- James V. DeLong To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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