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Csimbi
I post too much
 Reputation: 97
Joined: 14 Jul 2007
Posts: 3324
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 Posted: Sun Oct 05, 2025 3:14 am Post subject: Speeding up Unity region scans: iterators |
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Hello peeps,
I am seeking advise on speeding up region scans for iterators based on the Unity engine.
So, here's an AOB scan, which I use to scan specific part for a Unity - with the intention to speed up scans:
| Code: | | aobscanregion(aobMyScan,K.G:GC+20,K.G:GC+C0,41 FF D3 48 8B) |
This scan works and it's lightning fast, works as intended.
Here's another:
| Code: | aobscanregion(aobMyScan2,K.E.P.S+<SR>d__58:MoveNext+100,K.E.P.S+<SR>d__58:MoveNext+200,49 BB)
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This scan is slow as if I was scanning through the entire memory, seemingly ignoring the start/end addresses.
I suspect CE has some problem resolving the construct.
I tried using quotes, hoping it would help:
| Code: | aobscanregion(aobMyScan2,"K.E.P.S+<SR>d__58:MoveNext"+100,"K.E.P.S+<SR>d__58:MoveNext"+200,49 BB)
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No luck, I got the same low speed.
Are there any techniques I could use to speed up scans for these type constructs?
Thank you!
PS. This is CE 7.6.0.8629.
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Dark Byte
Site Admin
 Reputation: 470
Joined: 09 May 2003
Posts: 25792
Location: The netherlands
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| Posted: Sun Oct 05, 2025 5:55 am Post subject: |
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lookup those symbol addresses in the background and store those as an easy symbol and use the simple symbol as range for aobscan
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Csimbi
I post too much
Reputation: 97
Joined: 14 Jul 2007
Posts: 3324
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| Posted: Sun Oct 05, 2025 7:24 am Post subject: |
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Okay. How would I go on about that?
Google did not really get me an example.
This is what the decompiled source code looks like:
| Code: |
public class SM : IEnumerable<SI>, IEnumerable
{
...
public IEnumerator<object> SR(SI sI, bool fA = false)
{
...
}
...
}
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How would I get from this to:
| Code: | | K.E.P.S+<SR>d__58:MoveNext |
Would it be a simple matter of
| Code: | | findMethodAddrBySignature('Assembly-CSharp','SM','SR','SI,bool$',false) |
Nope.
These both return zero.
| Code: | print('--')
print(tohex(findMethodAddrBySignature('Assembly-CSharp','SM','SR','?',true)))
print('...')
print(tohex(findMethodAddrBySignature('Assembly-CSharp','SM','SR','SI,bool$',true)))
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Besides, it would not be the iterator's MoveNext...
Zeroes, too
| Code: | print('--')
print(tohex(findMethodAddrBySignature('Assembly-CSharp','K.E.P.SM+<SR>d__58','MoveNext','?',true)))
print('...')
print(tohex(findMethodAddrBySignature('Assembly-CSharp','K.E.P.SM+<SR>d__58','MoveNext','SI,bool$',true)))
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