Hi Tulipant.

16-Jun-03 09:49:00, Tulipant Gergely wrote to Jasen Betts


Jasen Betts ->> Tulipant Gergely >>gcc -O<< {at} 10 Jun 03  06:46:06

 TG> What for? Is that some kind of pseudo
 TG> anti-anti-anti-anti-anti-anti-terorrist radar jammer

yeah more or less.

 TG>   I don't think so. Looks to me like a stack alignment bug. :(
 TG> -mpreferred-stack-boundary=4 is the default

I think ypu've got it.

it seems to be arranged to encounter each function call while alligned 2^8

                                       SP

                                       0       - alligned
 call main                             -4

 TG> main:                            -4
 TG>         pushl   %ebp             -8
 TG>         movl    %esp, %ebp
 TG>         subl    $248, %esp       -256     - alligned
 TG>         subl    $252, %esp       -508
 TG>         pushl   $.LC0            -512     - alligned
 TG>         call    printf           (-516)
 TG>         addl    $256, %esp       -256
 TG>         movl    $0, %eax
 TG>         leave                     -4
 TG>         ret                       0       - alligned

 -=> Bye <=-

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