DUMPBIN determine whether the Windows program is 32 or 64 bits (including DLLs)

http://blog.csdn.net/csfreebird/article/details/10105681

Dumpbin/headers Gdal18.dll (or Xxx.exe)

If VS2012 is installed, open a console window provided by VS 2012, such as VS2012 x64 Native Tools Command Prompt.

Use the following command to view the program's header information:

[CPP]View PlainCopy

2. Gdal_1.8_rtc>dumpbin/headers Gdal18.dll
4. Microsoft (R) coff/pe dumper Version 11.00.60610.1
6. Copyright (C) Microsoft Corporation. All rights reserved.
12. Dump of File Gdal18.dll
16. PE Signature Found
20. File Type:dll
24. FILE HEADER VALUES
26. 8664 Machine (x64)
28. 6 Number of sections
30. 52130233 Time Date Stamp Tue 20 13:44:19 2013
32. 0 file pointer to symbol table
34. 0 Number of symbols
36. F0 size of optional header
38. 2022 characteristics
40. Executable
42. Application can handle large (>2GB) addresses
44. Dll

Did you see x64? So this is a 64-bit DLL.

View the number of bits in the program/dll 32-bit 64-bit
http://2678482.blog.51cto.com/2668482/1616861

Machine (x64)--64-bit
Machine (x86)--32-bit

http://blog.csdn.net/cocoasprite/article/details/53257049

DUMPBIN determine whether the Windows program is 32 or 64 bits (including DLLs)