On Thu, 2015-11-19 at 09:35 -0600, Torvald Riegel wrote: > The EH scheme that we had been using for TM / libitm doesn't work > properly. We fail to handle throwing exceptions whose constructors may > throw themselves. We also do not clean up properly in all situations > when a transactions abort while being in the process of throwing an > exception. > This patch solves this particular problem by adding a transactional > wrapper for __cxa_free_exception and changing the EH scheme in libitm. > > Follow-up patches will fix other issues that we have identified. Some > of the changes to the libitm.texi ABI docs added in this patch already > take this future work into account. > > Tested using the libitm testsuite on x86_64-linux.
I have fired off a test on powerpc64le-linux and will report back on its status when it's done. Peter
