Any idea what would cause this? A co-worker is debugging a C++ program,
and this sort of things works fine under 2.2, but doesn't work under
3.X.
> The "-static" linker flag did not appear to change anything.
> Any additional insights would be greatly appreciated.
>
> FreeBSD Version: 3.3-RELEASE
>
> GDB Version: GNU gdb 4.18
>
> Typical GDB Output:
> =-=-=
> (gdb) p pkt
> $1 = (CpfPkt *) 0x8d28a04
> (gdb) call pkt->printAll(0, (void *)0)
> Cannot resolve method CpfPkt::printAll to any overloaded instance
> (gdb) call pkt->printAll()
> Cannot resolve method CpfPkt::printAll to any overloaded instance
> (gdb) call CpfSimNodeNameGet()
> Segmentation fault(core dumped)
> =-=-=
I tried creating a simple test program, but the test program works as
expected.
Under FreeBSD 2.2.8-stable.
(gdb) print pkt
$1 = (CpfPkt *) 0xa83a04
(gdb) call pkt->printAll(0, (void *)0)
node3: 0.056106 Pkt [0xa83a04] object CpfPkt: originated in node3/br.0
node3: 0.056106 CpfProtoComm CpfPkt: originated in node3/br.0 node node3
node3: 0.056106 Owner Broadcast Radio MAC (1a2eb04), Current proto Broadcast
Radio MAC (1a2eb04)
node3: 0.056106 Retain flag 0, Notify flag 0, Notify type 0x10000000
....
You get the point.
I'll keep trying to develop a simple test case, but this is a rather
large C++ program, and breaking things down into smaller pieces don't
seem to work.
In the same vein, I have other weird behavior that occurs, which may
shed some light.
I tried linking statically to see if that would help, and that doesn't
seem to do anything. To link statically, I add '-static' to the link
line, but the resulting executable is still created as a dynamic
executable (at least according to file).
www:~/roof/cpt/examples/hier % file prog
prog: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD), dynamically
linked, not stripped
However, if I run ldd on the resulting 'dynamic' executable, the
following error occurs.
www:~/roof/cpt/examples/hier % ldd prog
prog:
ELF interpreter /usr/lib/libc.so.1 not found
prog: signal 6
I don't have any 4.* systems, nor do I have the resources to create one,
so I can't test there.
Thanks for any help you can provide!
Nate
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