我在Makefile的 CFLAGS 里有加上 -ggdb 然後再去trace core dump时 如下 > gdb checkdir checkdir.core GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-freebsd"... (no debugging symbols found)... Core was generated by `checkdir'. Program terminated with signal 10, Bus error. Reading symbols from /usr/lib/libc.so.3...(no debugging symbols found)...done. Reading symbols from /usr/libexec/ld-elf.so.1...(no debugging symbols found)... done. #0 0x280b49e7 in strcpy () from /usr/lib/libc.so.3 打下列指令查询对映的code (gdb) list No symbol table is loaded. Use the "file" command. (gdb) 为什麽会是no debugging symbols found呢 ? 查了一下google 没找到合适的solution 可否给点意见呢 thx -- ㊣ 我是港湾里的可爱水手 else ，我来自 港湾码头 ㊣ * 塔台: 港湾码头 bbs.kmsh.tnc.edu.tw [203.71.221.4] * -- ▲ 『 港．湾．码．头．BBS．站 』 █▉█▋ █▊██ ████ █▊██ ＞◎＜ 台南县 私立港明高中 电子布告栏 ███▍ ▊▉▊█ ███▅ ████ █ bbs.KMSH.tnc.edu.tw ． 203.71.221.4 █▊█▋.▋█▋█.▅▅██.█▊██.