On Thu, Mar 07, 2013 at 05:49:55PM +0100, Petr Salinger wrote: > >>Valgrind does appear to be aware of sysarch, implementing > >>sysarch(AMD64_SET_FSBASE) in > >>coregrind/m_syswrap/syswrap-amd64-freebsd.c. > > > >Aha. eglibc is testing that the syscall succeeds, which is indicated by > >setting RAX to 0. > > The standard kernel in a success case sets RAX to zero > and clears carry flag. In error case the carry flag is set > and RAX contains error number. > > It probably should be > > SET_STATUS_Success2((0L, tst->arch.vex.guest_RDX );
As you suggest, this change also works (replacement of my earlier change, not cumulative with it): - SET_STATUS_Success2((ULong)*p, tst->arch.vex.guest_RDX ); + SET_STATUS_Success2(0, tst->arch.vex.guest_RDX ); Jeff -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
