请高手帮我解释一下 这是什么意思。
为什么都是 ?? 号
代码: 全选
rumblemomo@rumblemomo-desktop:~/mode/server/bin$ gdb core core
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...
"/home/rumblemomo/wowsf/3pwow/bin/core": not in executable format: File format not recognized
(no debugging symbols found)
Core was generated by `./hearthstone-world'.
Program terminated with signal 6, Aborted.
[New process 7452]
[New process 7453]
[New process 7454]
[New process 7480]
[New process 7448]
[New process 7443]
[New process 7484]
[New process 7450]
[New process 7462]
[New process 7458]
[New process 7701]
[New process 7467]
[New process 7461]
[New process 11080]
[New process 7488]
[New process 7472]
[New process 7485]
[New process 11081]
[New process 7466]
[New process 7477]
[New process 11082]
[New process 7427]
[New process 7479]
[New process 7481]
[New process 11085]
[New process 7431]
[New process 7490]
[New process 7486]
[New process 11086]
[New process 7444]
[New process 8734]
[New process 11087]
[New process 7473]
[New process 8753]
[New process 11088]
[New process 8754]
[New process 7478]
[New process 10086]
[New process 11089]
[New process 7423]
[New process 8755]
[New process 7429]
[New process 7432]
[New process 7739]
[New process 7445]
[New process 7446]
[New process 9192]
[New process 9193]
[New process 7703]
[New process 7464]
[New process 9194]
[New process 11083]
[New process 7451]
[New process 7465]
[New process 11084]
[New process 10866]
[New process 7449]
[New process 7459]
[New process 7447]
[New process 10895]
[New process 7470]
[New process 7426]
[New process 7463]
[New process 7428]
[New process 7482]
[New process 7433]
[New process 7468]
[New process 7474]
[New process 7469]
[New process 9191]
[New process 7430]
[New process 7475]
[New process 7476]
[New process 7457]
[New process 7460]
[New process 9466]
[New process 7471]
[New process 7455]
[New process 7704]
[New process 7483]
[New process 7456]
[New process 7487]
[New process 9895]
[New process 7732]
[New process 7489]
[New process 11079]
#0 0x00007fccfe2dffb5 in ?? ()
(gdb)