我在Makefile的 CFLAGS 裡有加上 -ggdb
然後再去trace core dump時
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
打下列指令查詢對映的code
(gdb) list
No symbol table is loaded. Use the "file" command.
(gdb)
為什麼會是no debugging symbols found呢 ?
查了一下google 沒找到合適的solution
可否給點意見呢 thx
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