someCallbackMechanism(1, 2, 3, 4, 5, 6);
00007FF7F9E357CA C7 44 24 28 06 00 00 00 mov         dword ptr[rsp + 28h], 6
00007FF7F9E357D2 C7 44 24 20 05 00 00 00 mov         dword ptr[rsp + 20h], 5
00007FF7F9E357DA 41 B9 04 00 00 00    mov         r9d, 4
00007FF7F9E357E0 41 B8 03 00 00 00    mov         r8d, 3
00007FF7F9E357E6 BA 02 00 00 00       mov         edx, 2
00007FF7F9E357EB B9 01 00 00 00       mov         ecx, 1
00007FF7F9E357F0 E8 16 11 FE FF       call        someCallbackMechanism(07FF7F9E1690Bh)

myClassInstance.simpleCallback6(1, 2, 3, 4, 5, 6);
00007FF77CAC5797 C7 44 24 30 06 00 00 00 mov         dword ptr[rsp + 30h], 6
00007FF77CAC579F C7 44 24 28 05 00 00 00 mov         dword ptr[rsp + 28h], 5
00007FF77CAC57A7 C7 44 24 20 04 00 00 00 mov         dword ptr[rsp + 20h], 4
00007FF77CAC57AF 41 B9 03 00 00 00    mov         r9d, 3
00007FF77CAC57B5 41 B8 02 00 00 00    mov         r8d, 2
00007FF77CAC57BB BA 01 00 00 00       mov         edx, 1
00007FF77CAC57C0 48 8D 4C 24 48       lea         rcx, [myClassInstance]
00007FF77CAC57C5 E8 46 11 FE FF       call        MyClass::simpleCallback6(07FF77CAA6910h)

 lea rcx, 0x5F840FFC78
 mov rax, 0x5F840FFC78
 jmp rax

 mov rdx, rcx
 lea rcx,0x5F840FFC78
 mov rax, 0x5F840FFC78
 jmp rax

 mov r8, rdx
 mov rdx, rcx
 mov rcx, 0x5F840FFC78
 mov rax, 0x5F840FFC78
 jmp rax

 mov r9, r8
 mov r8, rdx
 mov rdx, rcx
 mov rcx, 0x5F840FFC78 // this
 mov rax, 0x5F840FFC78 // addr
 jmp rax

 mov [esp+20], r9d
 mov r9d, r8d
 mov r8d, edx
 mov edx, ecx
 lea rc, [this]
 mov eax, [addr]
 jmp eax

 mov [esp+20 + (x-4)*8], [esp+20]
 mov [esp+20], r9d
 mov r9d, r8d
 mov r8d, edx
 mov edx, ecx
 lea rc, [this]
 mov eax, [addr]
 jmp eax