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Ildar Gizetdinov2019-11-05 15:49:27
Ildar Gizetdinov, 2019-11-05 15:49:27
How to change the return value of a function?
There is a code:
il2cpp:000000018043EE60 ; =============== S U B R O U T I N E =======================================
il2cpp:000000018043EE60
il2cpp:000000018043EE60
il2cpp:000000018043EE60 GetAutoBattleTicketsLimit proc near ; CODE XREF: sub_18043F120+9C↓p
il2cpp:000000018043EE60 ; sub_18043F270+177↓p
il2cpp:000000018043EE60 ; DATA XREF: ...
il2cpp:000000018043EE60
il2cpp:000000018043EE60 arg_0 = qword ptr 8
il2cpp:000000018043EE60 arg_8 = qword ptr 10h
il2cpp:000000018043EE60
il2cpp:000000018043EE60 mov [rsp+arg_0], rbx
il2cpp:000000018043EE65 mov [rsp+arg_8], rsi
il2cpp:000000018043EE6A push rdi
il2cpp:000000018043EE6B sub rsp, 20h
il2cpp:000000018043EE6F cmp cs:byte_181B5FB70, 0
il2cpp:000000018043EE76 mov rbx, rdx
il2cpp:000000018043EE79 jnz short loc_18043EE8D
il2cpp:000000018043EE7B mov ecx, cs:dword_1818218D4
il2cpp:000000018043EE81 call sub_180136AB0
il2cpp:000000018043EE86 mov cs:byte_181B5FB70, 1
il2cpp:000000018043EE8D
il2cpp:000000018043EE8D loc_18043EE8D: ; CODE XREF: GetAutoBattleTicketsLimit+19↑j
il2cpp:000000018043EE8D xor r8d, r8d
il2cpp:000000018043EE90 mov rcx, rbx
il2cpp:000000018043EE93 lea edx, [r8+5]
il2cpp:000000018043EE97 call sub_180583F40
il2cpp:000000018043EE9C mov rsi, rax
il2cpp:000000018043EE9F mov rax, cs:qword_181BB4608
il2cpp:000000018043EEA6 test byte ptr [rax+127h], 2
il2cpp:000000018043EEAD jz short loc_18043EEC7
il2cpp:000000018043EEAF cmp dword ptr [rax+0D8h], 0
il2cpp:000000018043EEB6 jnz short loc_18043EEC7
il2cpp:000000018043EEB8 mov rcx, rax
il2cpp:000000018043EEBB call il2cpp_runtime_class_init_0
il2cpp:000000018043EEC0 mov rax, cs:qword_181BB4608
il2cpp:000000018043EEC7
il2cpp:000000018043EEC7 loc_18043EEC7: ; CODE XREF: GetAutoBattleTicketsLimit+4D↑j
il2cpp:000000018043EEC7 ; GetAutoBattleTicketsLimit+56↑j
il2cpp:000000018043EEC7 mov rcx, [rax+0B8h]
il2cpp:000000018043EECE mov rdi, [rcx+8]
il2cpp:000000018043EED2 test rdi, rdi
il2cpp:000000018043EED5 jnz short loc_18043EF3B
il2cpp:000000018043EED7 test byte ptr [rax+127h], 2
il2cpp:000000018043EEDE jz short loc_18043EEF7
il2cpp:000000018043EEE0 cmp [rax+0D8h], edi
il2cpp:000000018043EEE6 jnz short loc_18043EEF7
il2cpp:000000018043EEE8 mov rcx, rax
il2cpp:000000018043EEEB call il2cpp_runtime_class_init_0
il2cpp:000000018043EEF0 mov rax, cs:qword_181BB4608
il2cpp:000000018043EEF7
il2cpp:000000018043EEF7 loc_18043EEF7: ; CODE XREF: GetAutoBattleTicketsLimit+7E↑j
il2cpp:000000018043EEF7 ; GetAutoBattleTicketsLimit+86↑j
il2cpp:000000018043EEF7 mov rax, [rax+0B8h]
il2cpp:000000018043EEFE mov rcx, cs:qword_181BB4638
il2cpp:000000018043EF05 mov rbx, [rax]
il2cpp:000000018043EF08 call sub_180175F50
il2cpp:000000018043EF0D mov r9, cs:qword_181BB9AD8
il2cpp:000000018043EF14 mov rdx, rbx
il2cpp:000000018043EF17 mov r8, cs:qword_181B72DE8
il2cpp:000000018043EF1E mov rcx, rax
il2cpp:000000018043EF21 mov rdi, rax
il2cpp:000000018043EF24 call sub_1802CFD20
il2cpp:000000018043EF29 mov rax, cs:qword_181BB4608
il2cpp:000000018043EF30 mov rcx, [rax+0B8h]
il2cpp:000000018043EF37 mov [rcx+8], rdi
il2cpp:000000018043EF3B
il2cpp:000000018043EF3B loc_18043EF3B: ; CODE XREF: GetAutoBattleTicketsLimit+75↑j
il2cpp:000000018043EF3B mov r8, cs:qword_181B731B8
il2cpp:000000018043EF42 mov rdx, rdi
il2cpp:000000018043EF45 mov rcx, rsi
il2cpp:000000018043EF48 call sub_1804F5020
il2cpp:000000018043EF4D mov rax, cs:qword_181BC7930
il2cpp:000000018043EF54 mov rcx, [rax+0B8h]
il2cpp:000000018043EF5B mov rax, [rcx+8]
il2cpp:000000018043EF5F test rax, rax
il2cpp:000000018043EF62 jz short loc_18043EF8D
il2cpp:000000018043EF64 mov rax, [rax+30h]
il2cpp:000000018043EF68 test rax, rax
il2cpp:000000018043EF6B jz short loc_18043EF8D
il2cpp:000000018043EF6D mov rcx, [rax+28h]
il2cpp:000000018043EF71 test rcx, rcx
il2cpp:000000018043EF74 jz short loc_18043EF8D
il2cpp:000000018043EF76 mov rbx, [rsp+28h+arg_0]
il2cpp:000000018043EF7B mov rsi, [rsp+28h+arg_8]
il2cpp:000000018043EF80 cvttsd2si eax, xmm0
il2cpp:000000018043EF84 add eax, [rcx+20h]
il2cpp:000000018043EF87 add rsp, 20h
il2cpp:000000018043EF8B pop rdi
il2cpp:000000018043EF8C retn
il2cpp:000000018043EF8D ; ---------------------------------------------------------------------------
il2cpp:000000018043EF8D
il2cpp:000000018043EF8D loc_18043EF8D: ; CODE XREF: GetAutoBattleTicketsLimit+102↑j
il2cpp:000000018043EF8D ; GetAutoBattleTicketsLimit+10B↑j ...
il2cpp:000000018043EF8D xor ecx, ecx
il2cpp:000000018043EF8F call sub_1801659F0
il2cpp:000000018043EF8F ; ---------------------------------------------------------------------------
il2cpp:000000018043EF94 db 0CCh
il2cpp:000000018043EF94 GetAutoBattleTicketsLimit endp
il2cpp:000000018043EF94
il2cpp:000000018043EF95 algn_18043EF95: ; DATA XREF: .pdata:0000000181ECC140↓o
il2cpp:000000018043EF95 align 20hHow can I replace the return value with "99999" for example? I don't understand where the return value is.
1 answer(s)
@KFan
A
Armenian Radio, 2019-11-05 @KFan
Most likely, the value lies in EAX. Put whatever you want in there.
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