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> Windows > how to create export function from scratch(without macro) ? |
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edfed 30 Dec 2012, 11:03
proc is a calling convention macro.
then, you just have to execute the instructions for this calling convention to create a proc. to create the exports fields, you need to declare the labels and values of the exported functions accordinglly to the microsoft dll export sheme.  just look at the examples in the fasmw/example folder. |
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30 Dec 2012, 11:03 |
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ivan_tux 31 Dec 2012, 05:49
Ya, then how to reads parameter from stack????
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31 Dec 2012, 05:49 |
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revolution 31 Dec 2012, 05:56
It is there in the examples section of the fasm download. edfed already pointed you there. See PEDLL.ASM
Code: ; fasm example of writing PE dynamic link library format PE console DLL entry DLL_init macro align value { rb (value-1) - (RVA $ + value-1) mod value } section '.code' code readable executable DLL_init: mov eax,1 ; successful initialization ret 0Ch align 4 ; dword alignment WriteText: ; edx must point to zero padded text push -11 call [GetStdHandle] mov ebx,eax mov edi,edx or ecx,-1 xor al,al repne scasb neg ecx sub ecx,2 push 0 push bytes_count push ecx push edx push ebx call [WriteFile] ret section '.data' data readable writeable bytes_count dd ? section '.idata' import data readable writeable dd 0,0,0,RVA kernel_name,RVA kernel_table dd 0,0,0,0,0 kernel_table: GetStdHandle dd RVA _GetStdHandle WriteFile dd RVA _WriteFile dd 0 kernel_name db 'KERNEL32.DLL',0 _GetStdHandle dw 0 db 'GetStdHandle',0 _WriteFile dw 0 db 'WriteFile',0 section '.edata' export data readable dd 0,0,0,RVA dlldemo_name,1 dd 1,1,RVA addresses_table,RVA names_table,RVA ordinal_table addresses_table: dd RVA WriteText names_table: dd RVA _WriteText ordinal_table: dw 0 dlldemo_name db 'PEDLL.DLL',0 _WriteText db 'WriteText',0 section '.reloc' fixups data readable discardable |
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31 Dec 2012, 05:56 |
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ivan_tux 04 Jan 2013, 12:12
Hey, thanks all...
but i think i've found what i ask....  |
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04 Jan 2013, 12:12 |
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