Looks good to me - not a Reviewer. /Staffan
On 25 mar 2013, at 12:13, Rickard Bäckman <rickard.back...@oracle.com> wrote: > Hi, > > trying again, can I please have two reviews on this change? > Some small changes after offline discussion. > > The webrev is available here: > http://cr.openjdk.java.net/~rbackman/8008357.u1/ > > Thanks > /R > > On Mar 5, 2013, at 8:07 AM, Rickard Bäckman wrote: > >> Anyone have time to look at this? >> >> Thanks >> /R >> >> On Mar 1, 2013, at 10:27 AM, Rickard Bäckman wrote: >> >>> Hi all, >>> >>> here comes another update to frame.safe_for_sender. >>> If the PC at a place where the stack doesn't match the _frame_size we >>> sometimes read an invalid return PC. >>> In this case we read one that pointed into the Safepoint blob. >>> >>> We now pretty much guarded for all kind of blobs in safe_for_sender, >>> so I've changed the method to not assert in the end but to do it the same >>> was as the frame_sparc.cpp did it. Everything that is not >>> a nmethod at the end of the method is not safe. >>> >>> I've also changed another check for a frame_size == 0 to frame_size <= 0 to >>> make it somewhat more safer. >>> >>> The bug: http://bugs.sun.com/view_bug.do?bug_id=8008357 >>> Webrev: http://cr.openjdk.java.net/~rbackman/8008357/ >>> >>> This webrev is for HS24. >>> >>> Thanks >>> /R >> >