[Ironpython-users] IronPython always in 32-bit mode on 64bit machine even when running ipy64.exe
Chong, Petra (HARVEY NASH)
Petra.Chong at uk.bp.com
Wed May 8 09:14:54 CEST 2013
I do indeed get output that looks like yours -
c:\Program Files (x86)\IronPython
2.7>c:\users\xxxxx\Downloads\corflags.exe ipy64.exe
Microsoft (R) .NET Framework CorFlags Conversion Tool. Version
2.0.50727.42
Copyright (c) Microsoft Corporation. All rights reserved.
Version : v4.0.30319
CLR Header: 2.5
PE : PE32
CorFlags : 9
ILONLY : 1
32BIT : 0
Signed : 1
And if I then run this:
c:\Program Files (x86)\IronPython
2.7>c:\users\xxxxx\Downloads\corflags.exe ipy.exe
Microsoft (R) .NET Framework CorFlags Conversion Tool. Version
2.0.50727.42
Copyright (c) Microsoft Corporation. All rights reserved.
Version : v4.0.30319
CLR Header: 2.5
PE : PE32
CorFlags : 11
ILONLY : 1
32BIT : 1
Signed : 1
Thanks,
PC
From: Curt Hagenlocher [mailto:curt at hagenlocher.org]
Sent: 07 May 2013 17:46
To: Chong, Petra (HARVEY NASH)
Cc: ironpython-users at python.org
Subject: Re: [Ironpython-users] IronPython always in 32-bit mode on
64bit machine even when running ipy64.exe
Can you use corflags.exe to confirm that your ipy64.exe is actually not
marked for 32-bit execution? Your output should look like this:
PS D:\Program Files\Sho\bin> corflags .\ipy64.exe
Microsoft (R) .NET Framework CorFlags Conversion Tool. Version
3.5.30729.1
Copyright (c) Microsoft Corporation. All rights reserved.
Version : v2.0.50727
CLR Header: 2.5
PE : PE32
CorFlags : 9
ILONLY : 1
32BIT : 0
Signed : 1
On Tue, May 7, 2013 at 9:34 AM, Chong, Petra (HARVEY NASH)
<Petra.Chong at uk.bp.com> wrote:
(I also asked this on StackOverflow -
http://stackoverflow.com/questions/16422812/ironpython-always-in-32-bit-
mode-on-64bit-machine-even-when-running-ipy64-exe - have copy pasted
from there).
I am sure I am missing something simple but unfortunately a lot
of searching hasn't thrown up what it is..
I am running Windows 7 64-bit (I verified this by looking at Control
Panel > All Control Panel Items > System and seeing that it says 64-bit
Operating System).
I have IronPython 2.7.3 installed from here
(http://ironpython.codeplex.com/downloads/get/423690
<http://ironpython.codeplex.com/downloads/get/423690> )
This has created the following shortcut (with no corresponding shortcut
in C:\Program Files\IronPython 2.7...):
"C:\Program Files (x86)\IronPython 2.7\ipy64.exe"
If I run this, I get this prompt:
"c:\Projects>"C:\Program Files (x86)\IronPython 2.7\ipy64.exe"
IronPython 2.7.3 (2.7.0.40) on .NET 4.0.30319.296 (32-bit)
The docs from an older version of IronPython (2.6)
athttp://ironpython.codeplex.com/releases/view/27350
<http://ironpython.codeplex.com/releases/view/27350> say that:
"A very visible new feature added to this release is that ipy.exe is now
strictly a 32-bit only assembly. That is, it gets executed as a 32-bit
CLR process on both x86 and x64 operating systems. ipy64.exe, despite
what its name might imply, is a platform agnostic assembly matching the
old behavior of ipy.exe in the sense that it gets executed as a 32-bit
process on 32-bit OSes and 64-bit on 64-bit OSes."
>From this, I infer that ipy64 should have started as a 64 bit process,
but that's not what shows in the prompt.
Any ideas what I am doing wrong? Thanks in advance..
Edited to add: I have also tried running the following in the IronPython
shell, which I found from another question on this site, to check
whether the OS is 64 bit
>>> import System
>>> System.Environment.Is64BitOperatingSystem
True
... but then I ran the following which indicates that IronPython really
is running in 32 bit mode.
>>> import System
>>> System.IntPtr.Size
4
I have tested that I have 64-bit .NET installed by creating a console
application in Visual Studio with the line
Console.WriteLn(System.IntPtr.Size) and verifying that the output is
"8".
Thanks,
PC
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