flat assembler - Fasm & static lib - the friendship is possible?

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Aster!x

Joined: 16 Jul 2004
Posts: 26

Aster!x

subj

10 Sep 2004, 18:28

silkodyssey

Joined: 02 Oct 2003
Posts: 198
Location: St.Vincent & the Grenadines

silkodyssey

Yes it is possible. You just need to create a coff obj file and use the extrn directive to tell fasm the external symbols you want to use. Here is an example thats uses masm32's user32.lib, linked with ms link.exe.

Code:

 
format MS COFF

        extrn '__imp__MessageBoxA@16' as MessageBox

section 'data' data readable writeable
        msg db 'hello world', 0

section '.text' code readable executable

        public _start
_start:
        push 0
        push msg
        push msg
        push 0
        call dword [MessageBox]

        ret

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silkodyssey

10 Sep 2004, 19:21

Madis731

Joined: 25 Sep 2003
Posts: 2140
Location: Estonia

Madis731

Code:

format MS COFF
        extrn '__imp__MessageBoxA@16' as MessageBox

section 'data' data readable writeable
        msg db 'hello world', 0

section '.text' code readable executable

        public _start
_start:
        invoke dword [MessageBox],0,msg,msg,0 ;Isn't this supported when including
                                              ;some invoke macro in the
                                              ;beginning and why doesn't it
                                              ;know that MessageBox is dword?

        ret

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My updated idol Very Happy

http://www.agner.org/optimize/

11 Sep 2004, 08:08

Aster!x

Joined: 16 Jul 2004
Posts: 26

Aster!x

Thanks. I've understood Smile

11 Sep 2004, 08:30

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 7796
Location: Kraków, Poland

Tomasz Grysztar

It should be:

Code:

extrn '__imp__MessageBoxA@16' as MessageBox:dword

11 Sep 2004, 09:16

Vortex

Joined: 17 Jun 2003
Posts: 318

Vortex

Other Fasm & Static library examples

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Code it... That's all...

11 Sep 2004, 09:46

Madis731

Joined: 25 Sep 2003
Posts: 2140
Location: Estonia

Madis731

At last I am clear about this subject now Very Happy

11 Sep 2004, 10:23

uri

Joined: 09 Apr 2004
Posts: 44
Location: L'viv, Ukraine

uri

look here too:
http://board.flatassembler.net/topic.php?p=14729#14729

13 Sep 2004, 09:15

Aster!x

Joined: 16 Jul 2004
Posts: 26

Aster!x

Can I cause some function from static library in fasm??

16 Sep 2004, 11:33

silkodyssey

Joined: 02 Oct 2003
Posts: 198
Location: St.Vincent & the Grenadines

silkodyssey

Yes you can. That is what the examples in this thread demonstrate. But if you're having a problem someone here would be able to help you if you can provide more info.

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silkodyssey

16 Sep 2004, 23:12

Aster!x

Joined: 16 Jul 2004
Posts: 26

Aster!x

Thank You, silkodyssey.
I have not understood first.
I thought that this example on how to create the static library from obj Smile

17 Sep 2004, 00:45

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