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34
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81
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-
+
-
-
+
-
-
+
-
-
+
-
|
call get_eip
0:
add ebx, offset _GLOBAL_OFFSET_TABLE_
mov eax, [ebp+8]
mov [esp], eax
mov eax, [ebx+object_getClass@GOT]
call object_getClass@PLT
call eax
mov [esp], eax
lea eax, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], eax
mov eax, [ebx+class_respondsToSelector@GOT]
call class_respondsToSelector@PLT
call eax
test eax, eax
jz short 1f
mov eax, [ebp+8]
mov [esp], eax
lea eax, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], eax
mov eax, [ebx+objc_msg_lookup@GOT]
call objc_msg_lookup@PLT
call eax
mov edx, [ebp+8]
mov [esp], edx
lea edx, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], edx
mov edx, [ebp+12]
mov [esp+8], edx
call eax
test eax, eax
jz short 1f
cmp eax, [ebp+8]
je short 1f
mov [ebp+8], eax
mov [esp], eax
mov eax, [ebp+12]
mov [esp+4], eax
mov eax, [ebx+objc_msg_lookup@GOT]
call objc_msg_lookup@PLT
call eax
add esp, 20
pop ebx
pop ebp
jmp eax
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98
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128
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145
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+
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+
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+
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+
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|
push ebp
mov ebp, esp
push ebx
sub esp, 20
call get_eip
0:
add ebx, offset _GLOBAL_OFFSET_TABLE_
mov eax, [ebp+12]
mov [esp], eax
mov eax, [ebx+object_getClass@GOT]
call object_getClass@PLT
call eax
mov [esp], eax
lea eax, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], eax
mov eax, [ebx+class_respondsToSelector@GOT]
call class_respondsToSelector@PLT
call eax
test eax, eax
jz short 1f
mov eax, [ebp+12]
mov [esp], eax
lea eax, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], eax
mov eax, [ebx+objc_msg_lookup@GOT]
call objc_msg_lookup@PLT
call eax
mov edx, [ebp+12]
mov [esp], edx
lea edx, [ebx+sel_forwardingTargetForSelector_@GOTOFF]
mov [esp+4], edx
mov edx, [ebp+16]
mov [esp+8], edx
call eax
test eax, eax
jz short 1f
cmp eax, [ebp+12]
je short 1f
mov [ebp+12], eax
mov [esp], eax
mov eax, [ebp+16]
mov [esp+4], eax
mov eax, [ebx+objc_msg_lookup_stret@GOT]
call objc_msg_lookup_stret@PLT
call eax
add esp, 20
pop ebx
pop ebp
jmp eax
|
167
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169
170
171
172
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177
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181
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183
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187
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158
159
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170
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|
-
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+
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|
push ebp
mov ebp, esp
push ebx
sub esp, 4
call get_eip
0:
add ebx, offset _GLOBAL_OFFSET_TABLE_
lea eax, [ebx+module@GOTOFF]
mov [esp], eax
mov eax, [ebx+__objc_exec_class@GOT]
call __objc_exec_class@PLT
call eax
add esp, 4
pop ebx
pop ebp
ret
get_eip:
|