forked from KolibriOS/kolibrios
281 lines
6.9 KiB
PHP
281 lines
6.9 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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include 'export.inc'
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align 4
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proc load_PE stdcall, file_name:dword
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locals
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image dd ?
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entry dd ?
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base dd ?
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endl
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stdcall load_file, [file_name]
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test eax, eax
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jz .fail
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mov [image], eax
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mov edx, [eax+60]
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stdcall kernel_alloc, [eax+80+edx]
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test eax, eax
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jz .cleanup
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mov [base], eax
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stdcall map_PE, eax, [image]
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mov [entry], eax
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test eax, eax
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jnz .cleanup
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stdcall kernel_free, [base]
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.cleanup:
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stdcall kernel_free, [image]
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mov eax, [entry]
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ret
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.fail:
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xor eax, eax
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ret
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endp
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DWORD equ dword
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PTR equ
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align 4
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map_PE: ;stdcall base:dword, image:dword
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cld
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push ebp
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push edi
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push esi
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push ebx
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sub esp, 60
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mov ebx, DWORD PTR [esp+84]
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mov ebp, DWORD PTR [esp+80]
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mov edx, ebx
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mov esi, ebx
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add edx, DWORD PTR [ebx+60]
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mov edi, ebp
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mov DWORD PTR [esp+32], edx
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mov ecx, DWORD PTR [edx+84]
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shr ecx, 2
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rep movsd
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movzx eax, WORD PTR [edx+6]
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mov DWORD PTR [esp+36], 0
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mov DWORD PTR [esp+16], eax
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jmp L2
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L3:
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mov eax, DWORD PTR [edx+264]
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test eax, eax
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je L4
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mov esi, ebx
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mov edi, ebp
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add esi, DWORD PTR [edx+268]
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mov ecx, eax
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add edi, DWORD PTR [edx+260]
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add ecx, 3
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shr ecx, 2
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rep movsd
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L4:
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mov ecx, DWORD PTR [edx+256]
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cmp ecx, eax
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jbe L6
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sub ecx, eax
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add eax, DWORD PTR [edx+260]
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lea edi, [eax+ebp]
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xor eax, eax
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rep stosb
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L6:
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inc DWORD PTR [esp+36]
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add edx, 40
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L2:
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mov esi, DWORD PTR [esp+16]
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cmp DWORD PTR [esp+36], esi
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jne L3
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mov edi, DWORD PTR [esp+32]
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cmp DWORD PTR [edi+164], 0
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je L9
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mov esi, ebp
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mov ecx, ebp
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sub esi, DWORD PTR [edi+52]
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add ecx, DWORD PTR [edi+160]
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mov eax, esi
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shr eax, 16
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mov DWORD PTR [esp+12], eax
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jmp L11
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L12:
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lea ebx, [eax-8]
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xor edi, edi
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shr ebx, 1
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jmp L13
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L14:
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movzx eax, WORD PTR [ecx+8+edi*2]
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mov edx, eax
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shr eax, 12
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and edx, 4095
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add edx, DWORD PTR [ecx]
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cmp ax, 2
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je L17
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cmp ax, 3
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je L18
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dec ax
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jne L15
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mov eax, DWORD PTR [esp+12]
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add WORD PTR [edx+ebp], ax
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L17:
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add WORD PTR [edx+ebp], si
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L18:
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add DWORD PTR [edx+ebp], esi
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L15:
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inc edi
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L13:
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cmp edi, ebx
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jne L14
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add ecx, DWORD PTR [ecx+4]
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L11:
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mov eax, DWORD PTR [ecx+4]
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test eax, eax
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jne L12
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L9:
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mov edx, DWORD PTR [esp+32]
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cmp DWORD PTR [edx+132], 0
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je L20
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mov eax, ebp
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add eax, DWORD PTR [edx+128]
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mov DWORD PTR [esp+40], 0
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add eax, 20
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mov DWORD PTR [esp+56], eax
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L22:
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mov ecx, DWORD PTR [esp+56]
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cmp DWORD PTR [ecx-16], 0
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jne L23
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cmp DWORD PTR [ecx-8], 0
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je L25
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L23:
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mov edi, DWORD PTR [__exports+32]
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mov esi, DWORD PTR [__exports+28]
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mov eax, DWORD PTR [esp+56]
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mov DWORD PTR [esp+20], edi
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add edi, OS_BASE
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add esi, OS_BASE
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mov DWORD PTR [esp+44], esi
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mov ecx, DWORD PTR [eax-4]
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mov DWORD PTR [esp+48], edi
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mov edx, DWORD PTR [eax-20]
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test edx, edx
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jnz @f
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mov edx, ecx
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@@:
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mov DWORD PTR [esp+52], 0
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add ecx, ebp
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add edx, ebp
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mov DWORD PTR [esp+24], edx
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mov DWORD PTR [esp+28], ecx
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L26:
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mov esi, DWORD PTR [esp+52]
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mov edi, DWORD PTR [esp+24]
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mov eax, DWORD PTR [edi+esi*4]
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test eax, eax
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je L27
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test eax, eax
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js L27
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lea edi, [ebp+eax]
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mov eax, DWORD PTR [esp+28]
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mov DWORD PTR [eax+esi*4], 0
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lea esi, [edi+2]
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push eax
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push 32
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movzx eax, WORD PTR [edi]
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mov edx, DWORD PTR [esp+56]
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mov eax, DWORD PTR [edx+eax*4]
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add eax, OS_BASE
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push eax
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push esi
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call strncmp
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pop ebx
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xor ebx, ebx
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test eax, eax
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jne L32
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jmp L30
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L33:
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push ecx
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push 32
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mov ecx, DWORD PTR [esp+28]
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mov eax, DWORD PTR [ecx+OS_BASE+ebx*4]
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add eax, OS_BASE
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push eax
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push esi
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call strncmp
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pop edx
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test eax, eax
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jne L34
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mov esi, DWORD PTR [esp+44]
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mov edx, DWORD PTR [esp+52]
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mov ecx, DWORD PTR [esp+28]
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mov eax, DWORD PTR [esi+ebx*4]
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add eax, OS_BASE
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mov DWORD PTR [ecx+edx*4], eax
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jmp L36
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L34:
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inc ebx
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L32:
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cmp ebx, DWORD PTR [__exports+24]
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jb L33
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L36:
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cmp ebx, DWORD PTR [__exports+24]
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jne L37
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mov esi, msg_unresolved
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call sys_msg_board_str
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lea esi, [edi+2]
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call sys_msg_board_str
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mov esi, msg_CR
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call sys_msg_board_str
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mov DWORD PTR [esp+40], 1
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jmp L37
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L30:
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movzx eax, WORD PTR [edi]
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mov esi, DWORD PTR [esp+44]
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mov edi, DWORD PTR [esp+52]
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mov edx, DWORD PTR [esp+28]
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mov eax, DWORD PTR [esi+eax*4]
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add eax, OS_BASE
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mov DWORD PTR [edx+edi*4], eax
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L37:
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inc DWORD PTR [esp+52]
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jmp L26
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L27:
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add DWORD PTR [esp+56], 20
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jmp L22
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L25:
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xor eax, eax
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cmp DWORD PTR [esp+40], 0
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jne L40
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L20:
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mov ecx, DWORD PTR [esp+32]
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mov eax, ebp
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add eax, DWORD PTR [ecx+40]
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L40:
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add esp, 60
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pop ebx
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pop esi
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pop edi
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pop ebp
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ret 8
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