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CE 7.3 on Linux - speedhack not working (32 bit)

 
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pal
How do I cheat?
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Joined: 08 Oct 2021
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PostPosted: Fri Oct 08, 2021 5:38 am    Post subject: CE 7.3 on Linux - speedhack not working (32 bit) Reply with quote

Hello,

I have got Cheat Engine 7.3 running in wine under Linux (Debian 12), connected to ceserver locally.
Speedhack works for 64bit processes, but not 32bit. I have tried multiple 32bit processes (different games).

I have seen the forum post titled "Running CE6.6 on Linux - speedhack not working" from 2016 suggesting to compile 32bit ceserver.

I have tried compiling and running ceserver and extension for 32bit as below:
wget github dot com/cheat-engine/cheat-engine/archive/refs/tags/7.3.tar.gz
tar -vxzf 7.3.tar.gz
cd cheat-engine-7.3/Cheat Engine/ceserver/gcc
make -f makefile32
cd ../extension/gcc/
make -f makefile32

which gives me 32bit ceserver and libceserver-extension_x86.so, which i copy to a folder somewhere and run with sudo ./ceserver

When attempting to tick the 'speedhack' option for a 32bit process:

ceserver output:
Module32First/Next: Returning false because ml->moduleListIterator=85 and ml->moduleCount=85

ce output:
"Failure determining what real_gettimeofday means"

which is the same result as the 64bit ceserver release at cheatengine dot org/download/ceserver_linux_x86_64.zip when running on a 32bit process.
I also tried doing 'git clone' on the latest commit instead of wget'ing the 7.3 release, same result.
To make sure I compiled properly, I also tried compiling the 64 bit ceserver and extension and tested a 64bit process, which worked as expected, but only for 64bit processes.
I also tried running cheat engine itself (in wine) as 32bit and in a 32bit wineprefix but that didn't help.

Am I doing something wrong, or is this still a bug, and can it be fixed?

EDIT:

32 bit ceserver outputs this when you select and 'open' a 32 bit process with CE:

[vdso]
Failed to open [vdso]

Although this does happen with 64bit ceserver on a 64bit process, so it may not be relevant.

I did some googling, i think it has something to do with 32 bit vdso in the linux kernel, which provides gettimeofday().

EDIT2:

I suspect CE/ceserver does not expect the old 32bit date format, or something else provided by 32 bit vdso, causing it to fail somehow
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