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   comp.arch      Apparently more than just beeps & boops      131,241 messages   

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   Message 129,658 of 131,241   
   MitchAlsup to All   
   Re: Register windows   
   12 Sep 25 19:02:01   
   
   From: user5857@newsgrouper.org.invalid   
      
   Thomas Koenig  posted:   
      
   > Waldek Hebisch  schrieb:   
   >   
   > > - one could create trampolines in a separate area of memory.  In   
   > >   such case there is trouble with dealocating no longer needed   
   > >   trampolines.  This trouble can be resolved by using GC.  Or   
   > >   by using a parallel stack dedicated to trampolines.   
   >   
   > [...]   
   >   
   > gcc has -ftrampoline-impl=[stack|heap], see   
   > https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html   
   >   
   > Don't longjmp out of a nested function though.   
      
   Or longjump around subroutines using 'new'.   
   Or longjump out of 'signal' handlers.   
   ...   
      
   Somebody should write a paper entitled "longjump considered dangerous"   
   annotating all the way it can be used to abuse compiler assumptions.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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