Re: gas and gcc

Article View: comp.lang.asm.x86

Article #152

#152

From: Frank Kotler
Date: Sat, 24 Nov 2001 12:55

43 lines
2083 bytes

Martin Cote wrote:

> extern write_char(char);
> ----------------------------------
> ..globl write_char
> 
> write_char:
>  pushl %ebp
>  movl  %esp,%ebp

push ebx

>  movl  $4,%eax
>  xorl  %ebx,%ebx
>  incl  %ebx
>  movl  4(%esp),%ecx
>  movl  %ecx,char
>  leal  char,%ecx
>  xorl  %edx,%edx
>  incl  %edx
>  int   $0x80

pop ebx

>  leave
>  ret
> 
> char: .byte 0,0,0,0
> ----------------------------------
> 
> And the C main :
> 
> ----------------------------------
> extern write_char(char);
> 
> int main() {
>   write_char(97);
>   return 0;
> }
> ----------------------------------

Best,
Frank

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From: Frank Kotler <fbkotler@ne.mediaone.net>
Newsgroups: comp.lang.asm.x86,alt.lang.asm,gnu.gcc
Subject: Re: gas and gcc
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Date: Sat, 24 Nov 2001 12:55:58 +0000 (UTC)
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