Comments (6)
Hey there,
thanks for the report.
Since I have never used MinGW before, I would appreciate further help here.
Can you try to compile it and give me the command line switches for the
compiler?
Gil
Original comment by [email protected]
on 12 Apr 2011 at 6:41
from distorm.
I went through Microsofts documentation and came up with this summary of the
args passed to MSVC:
/Ox -- Maximize Optimization
/Ob1 -- Expand only functions marked inline, enable inline expansion
/oy -- Omit frame pointer
/D WIN32 -- Declare WIN32
/D _DLL -- Declare _DLL
/D LIBDISTORM -- Declare LIBDISTORM
/D SUPPORT_64BIT_OFFSET
/D _MBCS
/GF -- Remove Dulplicate Strings
/Gm -- Enable minimul rebuild
/Zi -- Generate debugging information
/EHsc -- Exception Handling: Catch C++ exceptions
/MT -- Use multithreaded staticly linked version of the standard library
/Gy -- Enable function level linking, automatically set by /Zi
/W4 -- Set warning level to 4
/nologo -- Duh!
/c -- Don't link
/TC -- Specify C source
/Fdbuild\\vc90.pdb -- Use the vc90 PDB file
I'v hacked the setup file to use these options instead of the MSVC options:
extra_compile_args=['-fPIC', '-O2', '-Wall',
'-DSUPPORT_64BIT_OFFSET', '-D_DLL',
'-DLIBDISTORM', '-DWIN32']))]
Building and installing with these options work.... but when you try to run the
sample python complains that it can't load the dynamic lirary:
C:\Users\tantalum\Documents\Research\ian\distorm_test>python sample.py
Traceback (most recent call last):
File "sample.py", line 6, in <module>
import distorm3
File "C:\Python27\lib\site-packages\distorm3\__init__.py", line 47, in <module>
raise ImportError("Error loading the diStorm dynamic library")
ImportError: Error loading the diStorm dynamic library
I don't know what's causing this. Trying to link a C program also failes.
C:\Users\tantalum\Documents\Research\ian\distorm_test>gcc disassemble.c -o
disassemble -ldistorm3 -L C:\Python27\Lib\site-packages\distorm3\
C:\Users\tantalum\AppData\Local\Temp\ccGvYPi3.o:disassemble.c:(.text+0x5a):
undefined reference to `distorm_version'
C:\Users\tantalum\AppData\Local\Temp\ccGvYPi3.o:disassemble.c:(.text+0x3fd):
undefined reference to `distorm_decode64'
collect2: ld returned 1 exit status
To make things even more fun I decided to see what 'dumpbin /EXPORTS' had to
say about distorm3.dll and distorm3.lib, and they both export distorm_decode64
and distorm_version:
c:\Program Files (x86)\Microsoft Visual Studio 9.0\VC>dumpbin /EXPORTS
C:\Python27\Lib\site-packages\distorm3\distorm3.dll
Microsoft (R) COFF/PE Dumper Version 9.00.21022.08
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file C:\Python27\Lib\site-packages\distorm3\distorm3.dll
File Type: DLL
Section contains the following exports for distorm3.dll
00000000 characteristics
4DA77270 time date stamp Thu Apr 14 17:17:20 2011
0.00 version
1 ordinal base
37 number of functions
37 number of names
ordinal hint RVA name
1 0 00007000 II_3dnow
2 1 00011080 II_arpl
3 2 0001108C II_movsxd
4 3 000110A4 II_nop
5 4 000110B0 II_pause
6 5 00007050 Instructions
7 6 00007044 Table_0F
8 7 00007038 Table_0F_0F
9 8 0000702C Table_0F_38
10 9 00007020 Table_0F_3A
11 A 00012160 _MNEMONICS
12 B 00017E40 _REGISTERS
13 C 00010760 _REGISTERTORCLASS
14 D 000056E0 chrcat_WS
15 E 000014B0 decode_internal
16 F 00002C10 distorm_decode64
17 10 00002230 distorm_decompose64
18 11 000024B0 distorm_format64
19 12 00002220 distorm_version
20 13 00002F40 inst_lookup
21 14 00002F00 inst_lookup_3dnow
22 15 00003C80 operands_extract
23 16 00005010 prefixes_decode
24 17 00004EE0 prefixes_ignore
25 18 00004F00 prefixes_ignore_all
26 19 00004E50 prefixes_is_valid
27 1A 00004F30 prefixes_set_unused_mask
28 1B 00005380 prefixes_use_segment
29 1C 00005640 str_code_hb
30 1D 00005440 str_code_hdw
31 1E 000054D0 str_code_hqw
32 1F 00005690 str_hex_b
33 20 00005590 str_off64
34 21 00005700 strcat_WS
35 22 00005740 strcatlen_WS
36 23 000056C0 strclear_WS
37 24 00005780 strcpylen_WS
Summary
1000 .CRT
1000 .bss
B000 .data
1000 .edata
1000 .idata
7000 .rdata
2000 .reloc
6000 .text
1000 .tls
c:\Program Files (x86)\Microsoft Visual Studio 9.0\VC>dumpbin /EXPORTS
C:\Python27\Lib\site-packages\distorm3\distorm3.lib
Microsoft (R) COFF/PE Dumper Version 9.00.21022.08
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file C:\Python27\Lib\site-packages\distorm3\distorm3.lib
File Type: LIBRARY
Exports
ordinal name
distorm_decode64
distorm_decompose64
distorm_format64
distorm_version
Summary
C6 .debug$S
14 .idata$2
14 .idata$3
8 .idata$4
8 .idata$5
E .idata$6
Any hints on how to move forward would be wonderful. I would very much like to
see this working with mingw. Sorry if I miss something obvious, it's been a
while since I worked with this kind of stuff on windows and you gotta love the
way it 'keeps things orignized'.
Original comment by [email protected]
on 14 Apr 2011 at 10:44
from distorm.
Hey
I will check it out tomorrow and let you know.
Original comment by [email protected]
on 15 Apr 2011 at 11:50
from distorm.
Original comment by [email protected]
on 16 Apr 2011 at 1:16
- Changed state: Accepted
from distorm.
From my test, I bet you compiled the extension as an x86 binary, and your
Python is x64. Therefore you cannot load the DLL into the process, since it's
incompatible. You will have to rebuild diStorm as x64 somehow. Or use Python
for x86, err.
As for now it seems distutils still doesn't support MinGW well, and I'm not
going to support it. Sorry.
Original comment by [email protected]
on 16 Apr 2011 at 2:55
- Changed state: WontFix
from distorm.
FYI: I was able to make it working.
I installed MinGW64 from http://www.drangon.org/mingw
make sure you extract the file to c:\mingw
(rename the original 32bits version first, so not to override the files).
Or alternatively, you could set the path to the 64 bits version of gcc.exe of
the new MinGW... probably doing that is smarter.
Then I tried to compile using: python setup.py --compiler=mingw32
(While having your patch to the setup.py file)
The build failed on the compilation of the .dll file itself, but the object
files were compiled.
This is where I copy pasted that command line which failed and removed the part
"-lmsvcr90" and re-ran that command line and it created the actual .dll file
for x64. After that I copied that .dll to the site-packages\distorm3 and
imported the distorm3 library in Python and it worked!
The command line I ran was:
c:\mingw\bin\gcc.exe -mno-cygwin -shared -s
build\temp.win-amd64-2.7\src\decoder.o build\temp.win-amd64-2.7\src\distorm.o
build\temp.win-amd64-2.7\src\instructions.o
build\temp.win-amd64-2.7\src\insts.o build\temp.win-amd64-2.7\src\operands.o
build\temp.win-amd64-2.7\src\prefix.o build\temp.win-amd64-2.7\src\textdefs.o
build\temp.win-amd64-2.7\src\wstring.o build\temp.win-amd64-2.7\src\x86defs.o
build\temp.win-amd64-2.7\include\mnemonics.o -lmsvcr90 -o
build\lib\distorm3\distorm3.dll
Though it's possible on your env the files will be created in a different
directory, but just so you get the idea.
Hope it solves your problem.
Original comment by [email protected]
on 16 Apr 2011 at 3:30
from distorm.
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