24-May-2010: PEEKs and POKEs in Windows x64?
source link: https://yurichev.com/blog/46/
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24-May-2010: PEEKs and POKEs in Windows x64?
This kernel/driver-level Windows NT code:
void huh() { LARGE_INTEGER a; KeQueryTickCount(&a); DbgPrint ("%d", a.QuadPart); };
... is now translated in Windows 2003 DDK x64 environment into:
mov rdx, 0FFFFF78000000320h lea rcx, Format ; "%d" mov rdx, [rdx] call DbgPrint_0
Wow, some variable's address (KeTickCount) is now hardcoded just into driver's code during compilation.
Is not it just return to the PEEKs and POKEs?
http://en.wikipedia.org/wiki/PEEK_and_POKE
Is Microsoft promise to fix this variable to this address forever?
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