[fpc-pascal] 2x HeapTrc: output with -gl on ppcx64; QuickTrace/KeepReleased bug?
T.Verhoeff at tue.nl
Sat Dec 15 12:26:16 CET 2007
On Fri, Dec 14, 2007 at 12:28:04PM +0100, Vincent Snijders wrote:
> Tom Verhoeff schreef:
> >We use the HeapTrc facility in our education to get an impression of
> >memory management issues in programs submitted for assignments.
> >Typically our Peach.win.tue.nl system runs programs to test functionality
> >and robustness (i.e. test for proper precondition checking through Assert)
> >on small and bigger cases. Memory management is tested only with one
> >or two small cases.
> >I was surprised to find out that the output depends on the platform.
> >We use FPC 2.2.0 on Linux.
> >With ppc386 -gl you get something like:
> >Call trace for block $F7F863C8 size 8
> > $08064540 TQUEUEOFINT__PUT, line 153 of Queue_Pointers.pas
> > $08048FCD TESTPUT, line 234 of unbounded_queue_pointers.pp
> > $080494A5 TESTMULTIPUT, line 290 of unbounded_queue_pointers.pp
> > $0804953C TESTSAW, line 314 of unbounded_queue_pointers.pp
> > $08049C94 PROCESSINFILE, line 431 of unbounded_queue_pointers.pp
> > $08049FC0 main, line 459 of unbounded_queue_pointers.pp
> > $0807C621
> >With ppcx64 -gl (all options equal, also in config files) it produces:
> Maybe using dwarf debug info helps? Try ppcx64 -gwl
That does not make any difference. Nor do -gd and -gv.
Note that also stack traces (e.g. on unhandled exceptions) are different
under Linux for i386 and Linux for x86-64.
Any other ideas?
E-MAIL: T.Verhoeff @ TUE.NL | Dept. of Math. & Comp. Science
PHONE: +31 40 247 41 25 | Technische Universiteit Eindhoven
FAX: +31 40 247 54 04 | PO Box 513, NL-5600 MB Eindhoven
http://www.win.tue.nl/~wstomv/ | The Netherlands
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