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gdb emits error message, Exception: STATUS_ACCESS_VIOLATION


Hello, I'm modifying gdb 4.18 to support parallel port remote debugging. 
I've linked an object file which contains references to _inp, _outp functions to
gdb executable. And with additional option -luser32 and -lmsvcrt the make 
procedure completed without any problem. But when I execute the gdb.exe
it emits following message,

[main] D:\CYGNUS\CYGWIN-B20\WORK\GDB_BUILD\BUILD\GDB\GDB.EXE 6196 (0) handle_exc
eptions: Exception: STATUS_ACCESS_VIOLATION
[main] GDB 6196 (0) handle_exceptions: Dumping stack trace to GDB.EXE.core

When I excluded the object file it didn't make any difference. I think the problem is
'-luser32' or '-lmsvcrt' option. Can anybody explain this please?

Thanks in advance.
Sung-taek.

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