% gdb ./o.emu 
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "amd64-marcel-freebsd"...
(gdb) run
Starting program: /usr/home/mveety/purgatorio/emu/FreeBSD/o.emu 

Program received signal SIGSEGV, Segmentation fault.
0x28162f76 in ?? ()
(gdb) backtrace
#0  0x28162f76 in ?? ()
#1  0x2817b000 in ?? ()
#2  0xffffcad8 in ?? ()
#3  0x281766bc in ?? ()
#4  0xffffcaa4 in ?? ()
#5  0x2815ef5e in ?? ()
#6  0x2817b000 in ?? ()
#7  0xffffd57c in ?? ()
#8  0x281766bc in ?? ()
#9  0xffffd448 in ?? ()
#10 0x2815e35d in ?? ()
#11 0xffffcad8 in ?? ()
#12 0x00000000 in ?? ()
(gdb) quit
The program is running.  Exit anyway? (y or n) y