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64 bit : GCC/GDB

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killerbot:
Dear all,

I have recently acquired new hardware. I am running now Windows Xp 64bit and Suse 10.1 on it.
Preparing in providing also 64bit CB version (don't ask me how for the moment ... ;-)  ), I ran into some troubles.
I installed manually MinGW 3.4.5 and GDB 6.2. I can compile nicely a console app in CB, but when debugging GDB crashes on me. This crash also happens when I run GDB from the command line. Anyone outhere who has some info for me on what to do for GDB and WinXP 64bit ??

Many thanks,
Lieven

MortenMacFly:
...this may be a stupid question: But is your version of GDB compiled against a 64bit OS? I really could imagine that this plays a role for a debugger...?!
With regards, Morten.

killerbot:
well the GDB is the standard one from MinGW, so i assume it is a 32 bit application, as is GCC 3.4.4, 3.4.5 and 4.x ?
I don't even know if it allows to create real 64bit applications ?

Now winXp 64bit should run 32bit app's, only 32-bit services are not allowed (and all 16bit apps are also out).

On the command line I get the following error :
  Error : dll starting at 0x78d41000 not found

MortenMacFly:

--- Quote from: killerbot on June 07, 2006, 09:27:17 pm ---On the command line I get the following error :
  Error : dll starting at 0x78d41000 not found

--- End quote ---
...strange. Do you have an idea what DLL this is? You could try "Dependency Walker" (http://www.dependencywalker.com) which migth help to figure that out. Maybe filemon from SysInternals will help you, too (if GDB tries to access a file that does not exist or similar).
Wih regards, Morten.

killerbot:
Good idea Morton,

I checked with both the 64-bit and 32-bit version of Dependency walker. It seems I should use the 32-bit one, because GDB.exe is a 32 bit app.

Well it claimed it was missing to dependent dll-s :
 1) msjava.dll     ---> this is not needed, blablabla
 2) devmgr.dll

When doing the same thing on my 32 bit winXP (on a 32 bit machine), only the msjava.dll issue remained. The devmgr.dll does exist on winXP64, but it's the 64-bit variant, so it does not work with that. All other dependent dll's for GDB.exe are placed in a "wow" directory, but that devmgr.dll is not there. I tried to copy my 32bit version next to GDB.exe, but that did not help.
Stupid me, I forgot to copy it in that "wow" dir, so that's still something to test.

And the search goes on ....

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