Hi, On Thu, 25 Jan 2007, Sergei Golovan wrote:
> After some research, we've found that erlang relies on the alignment > of some global variable. The following patch fixes it: > ------------------------------------------------------------------ > --- erlang-11.b.2.orig/erts/emulator/beam/binary.c > +++ erlang-11.b.2/erts/emulator/beam/binary.c > @@ -31,7 +31,7 @@ > #include "erl_bits.h" > > Uint erts_allocated_binaries; > -erts_mtx_t erts_bin_alloc_mtx; > +erts_mtx_t erts_bin_alloc_mtx __attribute__ ((aligned (4))); > > void > erts_init_binary(void) > ------------------------------------------------------------------ Nice finding. > So, the question is the following: Are global variables supposed to be > always aligned? Is this a bug in GCC that it doesn't align the > variable? Or is this a bug in erlang, and the fact that it works on > other architectures is a lucky coincidence? It's aligned, but unfortunately not as much as erlang liked. Unfortunately that's also a very common error source in quite a few packages, which then only fail on m68k. bye, Roman -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
