mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-12 09:57:05 +03:00
139 lines
2.5 KiB
PHP
139 lines
2.5 KiB
PHP
;-----------------------------------------------------------------------------
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proc dll.Load, import_table:dword
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mov esi, [import_table]
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.next_lib:
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mov edx, [esi]
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or edx, edx
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jz .exit
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push esi
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mov esi, [esi + 4]
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mov edi, s_libdir.fname
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@@:
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lodsb
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stosb
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or al, al
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jnz @b
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mcall 68, 19, s_libdir
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or eax, eax
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jz .fail
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stdcall dll.Link, eax, edx
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push eax
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mov eax, [eax]
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cmp dword[eax], 'lib_'
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pop eax
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jnz @f
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stdcall dll.Init, [eax + 4]
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@@:
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pop esi
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add esi, 8
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jmp .next_lib
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.exit:
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xor eax, eax
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ret
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.fail:
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add esp, 4
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xor eax, eax
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inc eax
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ret
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endp
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;-----------------------------------------------------------------------------
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proc dll.Link, exp:dword, imp:dword
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push eax
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mov esi, [imp]
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test esi, esi
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jz .done
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.next:
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lodsd
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test eax, eax
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jz .done
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stdcall dll.GetProcAddress, [exp], eax
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or eax, eax
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jz @f
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mov [esi - 4], eax
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jmp .next
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@@:
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mov dword[esp], 0
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.done:
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pop eax
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ret
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endp
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;-----------------------------------------------------------------------------
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proc dll.Init, dllentry:dword
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pushad
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mov eax, mem.Alloc
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mov ebx, mem.Free
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mov ecx, mem.ReAlloc
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mov edx, dll.Load
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stdcall [dllentry]
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popad
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ret
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endp
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;-----------------------------------------------------------------------------
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proc dll.GetProcAddress, exp:dword, sz_name:dword
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mov edx, [exp]
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xor eax, eax
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.next:
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or edx, edx
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jz .end
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cmp dword[edx], 0
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jz .end
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stdcall strcmp, [edx], [sz_name]
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test eax, eax
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jz .ok
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add edx, 8
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jmp .next
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.ok:
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mov eax, [edx + 4]
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.end:
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ret
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endp
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;-----------------------------------------------------------------------------
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proc strcmp, str1:dword, str2:dword
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push esi edi
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mov esi, [str1]
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mov edi, [str2]
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xor eax, eax
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@@:
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lodsb
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scasb
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jne .fail
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or al, al
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jnz @b
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jmp .ok
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.fail:
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or eax, -1
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.ok:
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pop edi esi
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ret
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endp
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;-----------------------------------------------------------------------------
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s_libdir:
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db '/sys/lib/'
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.fname rb 32
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;-----------------------------------------------------------------------------
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proc mem.Alloc, size
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push ebx ecx
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mov ecx, [size]
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mcall 68, 12
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.ReAlloc, mptr, size
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push ebx ecx edx
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mov ecx, [size]
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mov edx, [mptr]
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mcall 68, 20
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pop edx ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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proc mem.Free, mptr
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push ebx ecx
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mov ecx,[mptr]
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mcall 68, 13
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pop ecx ebx
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ret
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endp
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;-----------------------------------------------------------------------------
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