[fpc-devel]heaptrc: web bug 2632
Marco van de Voort
marcov at stack.nl
Thu Sep 11 18:10:55 CEST 2003
> >I added an extra local variable to hold the previous bp and the loop now
> >looks like this:
> > bp:=get_caller_frame(get_frame);
> > for i:=1 to tracesize do
> > begin
> > pheap_mem_info(p)^.calls[i]:=get_caller_addr(bp);
> > oldbp := bp;
> > bp:=get_caller_frame(bp);
> > if (bp<oldbp) then
> > bp:= 0;
> > end;
> >I recompiled the rtl and run several test programs and the programs
> >didn't crash anymore.
> >The check on the frame pointer could be more sophisticated if I knew a
> >way to find out what the top of the stack is, so I could check if the
> >frame pointer is in stack.
> Thanks, i've applied the patch
Peter: We could save the initial stackptr in the initcode?
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