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[AA] How to edit xmm ?

 
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Hatschi
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PostPosted: Wed Dec 30, 2015 2:51 am    Post subject: [AA] How to edit xmm ? Reply with quote

How can I change the value stored in xmm0 or xmm1 within auto assemble?
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Dark Byte
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PostPosted: Wed Dec 30, 2015 3:04 am    Post subject: Reply with quote

in 6.5 you can call (while stopped on a thread)
Code:
 
debug_getContext(true)

which will also get the float and xmm registers

XMM0 to XMM15 are bytetables
you have to extract the bytes out of them and convert it to the type you think it is (e. g. byteTableToDouble()

note that XMM is 16 bytes so you will have to do some manual byte copying (don't do doubleToByteTable(XMM0) as that will discard byte 9 to 16)

to write them to the current thread use
Code:
 
debug_setContext(true)



edit. oh in AA. (thought you meant lua)
easiest is movss xmmregister, [address]

movsd for double

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