这个错误就是说，期望coredump文件是1000，但是只读到500。
如果出现这个错误是否还可以继续调试debug呢？
Reading symbols from /bin/abc.elf…done.
BFD: warning: /storage/core.abc-a is truncated: expected core file size >= 285933568, found: 92405760
warning: Can’t open file (null) during file-backed mapping note processing
warning: Can’t open file (null) during file-backed mapping note processing
warning: Can’t open file (null) during file-backed mapping note processing
warning: Can’t open file (null) during file-backed mapping note processing
warning: Can’t open file (null) during file-backed mapping note processing
[New LWP 71907]
[New LWP 3532277]
[New LWP 3815688]
warning: Error reading shared library list entry at 0x64656c
Failed to read a valid object file image from memory.
Core was generated by `abc-port 11003’.
Program terminated with signal SIGABRT, Aborted.
#0 0xf7ee2129 in ?? ()
[Current thread is 1 (LWP 71907)]