Glenn Fowler wrote: > On Tue, 25 Jul 2006 05:25:28 +0200 Roland Mainz wrote: > > I just found > > http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6277643 which > > is about the current Solaris /usr/bin/ksh (a ksh88 derivate). > > > The description says this: > > -- snip -- > > ksh fails to maintain 8-byte alignment in its "stak" allocator, but > > allocates objects containing long long types from it. This can cause > > crashes and > > violates the ABI. > > -- snip -- > > I am not sure whether this applies to ksh93/libast or not... can anyone > > who is familar with the libast memory allocator check that, please ? > > the ksh88 derivative must have extended the code to typedef number as 'long > long' > and failed to add 'long long' to the stak alignment union _u_ > > ksh93 and -last (v)malloc align to ALIGN_BOUND in the generated > src/lib/libast/align.h > which uses the alignment of a struct that contains the largest int and float > types > among others -- 16 on sgi, 8 on sparc, 4, on i386
AFAIK 64bit sparc needs 16byte alignment, too... or not... Chris ? ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) roland.mainz at nrubsig.org \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 7950090 (;O/ \/ \O;)
