On Sun, Sep 23, 2012 at 5:23 PM, Stefan Teleman <stefan.tele...@gmail.com> wrote:
> The second URL says this: > > <QUOTE> > Due to a change in the implementation of the userland mutexes > introduced by CR 6296770 in KU 137111-01, objects of type mutex_t and > pthread_mutex_t must start at 8-byte aligned addresses. If this > requirement is not satisfied, all non-compliant applications on > Solaris/SPARC may fail with the signal SEGV with a callstack similar > to the following one or with similar callstacks containing the > function mutex_trylock_process. > > \*_atomic_cas_64(0x141f2c, 0x0, 0xff000000, 0x1651, 0xff000000, 0x466d90) > set_lock_byte64(0x0, 0x1651, 0xff000000, 0x0, 0xfec82a00, 0x0) > fast_process_lock(0x141f24, 0x0, 0x1, 0x1, 0x0, 0xfeae5780) > > </QUOTE> Here's a link to an official datatype alignment table for SPARCV8: http://docs.oracle.com/cd/E19205-01/819-5267/bkbkl/index.html The interesting table is: Table B–2 Storage Sizes and Default Alignments in Bytes --Stefan -- Stefan Teleman KDE e.V. stefan.tele...@gmail.com
