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flat assembler > Linux > linux and the c library

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ackit



Joined: 08 Sep 2008
Posts: 3
i was hoping if someone could show me a simple example of using printf with fasm on linux.
Post 08 Sep 2008, 10:07
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 16133
Location: Hyperborea
The libcdemo example in the fasm download shows how to use printf.
Code:
; fasm example of using the C library in linux

; compile the source with commands like:
;   fasm libcdemo.asm libcdemo.o
;   gcc libcdemo.o -o libcdemo
;   strip libcdemo

format ELF

include 'cdecl.inc'

section '.text' executable

 public main
 extrn printf
 extrn getpid

 main:
  call    getpid
      ccall   printf, msg,eax
     ret

section '.data' writeable

 msg db "Current process ID is %d.",0xA,0    
Post 08 Sep 2008, 10:11
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ackit



Joined: 08 Sep 2008
Posts: 3
ahh yes, thank you very much, got it working.
Post 08 Sep 2008, 19:22
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