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ocoanet/ValueArrayPinningLookup.asm

Last active April 13, 2018 17:35
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ValueArrayPinningLookup.asm
// fixed (int* pointer = _array)
00007FFD3B9E0620 sub rsp,28h
00007FFD3B9E0624 xor eax,eax
00007FFD3B9E0626 mov qword ptr [rsp+20h],rax
00007FFD3B9E062B mov rax,qword ptr [rcx+8]
00007FFD3B9E062F mov qword ptr [rsp+20h],rax
00007FFD3B9E0634 test rax,rax
00007FFD3B9E0637 je 00007FFD3B9E0644
00007FFD3B9E0639 mov rax,qword ptr [rsp+20h]
00007FFD3B9E063E cmp dword ptr [rax+8],0
00007FFD3B9E0642 jne 00007FFD3B9E0648
00007FFD3B9E0644 xor eax,eax
00007FFD3B9E0646 jmp 00007FFD3B9E065C
00007FFD3B9E0648 mov rax,qword ptr [rsp+20h]
00007FFD3B9E064D cmp dword ptr [rax+8],0
00007FFD3B9E0651 jbe 00007FFD3B9E066A
00007FFD3B9E0653 mov rax,qword ptr [rsp+20h]
00007FFD3B9E0658 add rax,10h
// {
// return pointer[Index];
00007FFD3B9E065C mov edx,dword ptr [rcx+18h]
00007FFD3B9E065F movsxd rdx,edx
00007FFD3B9E0662 mov eax,dword ptr [rax+rdx*4]
00007FFD3B9E0665 add rsp,28h
00007FFD3B9E0669 ret
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