On Tue, Nov 20, 2012 at 5:41 PM, Peter Bergner <berg...@vnet.ibm.com> wrote: > On Tue, 2012-11-20 at 11:07 +0400, Konstantin Serebryany wrote: >> I've applied your patch (with minor style and comment changes) upstream: >> http://llvm.org/viewvc/llvm-project?view=rev&revision=168356 >> I did not have any way to test it though. Also, gmail does something >> horrible with patches inlined in a message, so I might have missed >> something. > > Doing a quick peruse through your LLVM commit, I see you grabbed the > PopStackFrames() addition, but the asan_linux.cc changes do not include > the call to PopStackFrames() after the _Unwind_Backtrace() call. > Specifically, the following patch hunk: > >> _Unwind_Backtrace(Unwind_Trace, stack); >> > + // Pop off the two ASAN functions from the backtrace. >> > + stack->PopStackFrames(2);
Ah, indeed, I missed that. Since the patch also affects ARM, I'd like to hear from Evgeniy Stepanov (or we may decouple powerpc from arm) --kcc > > I'll scan the reset of your commit looking for anything else that > is missing. > > >> Soon I hope to learn how to pull the upstream changes to gcc tree and >> do it myself. >> (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55376) >> In the meantime, you are welcome to apply the same patch to gcc manually. >> Same for the gcc-specific parts of you patch. > > I'll grab your changes from the LLVM tree so as to pick up your > style changes and add anything you inadvertently dropped and > commit it. Thanks. > > Peter > >