Saleem asked for this to be merged to 5.0: r309143.
On Mon, Jul 24, 2017 at 2:19 AM, Momchil Velikov via cfe-commits <cfe-commits@lists.llvm.org> wrote: > Author: chill > Date: Mon Jul 24 02:19:32 2017 > New Revision: 308871 > > URL: http://llvm.org/viewvc/llvm-project?rev=308871&view=rev > Log: > [libunwind] Handle .ARM.exidx tables without sentinel last entry > > UnwindCursor<A, R>::getInfoFromEHABISection assumes the last > entry in the index table never corresponds to a real function. > Indeed, GNU ld always inserts an EXIDX_CANTUNWIND entry, > containing the end of the .text section. However, the EHABI specification > (http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038b/IHI0038B_ehabi.pdf) > does not seem to contain text that requires the presence of a sentinel entry. > In that sense the libunwind implementation isn't compliant with the > specification. > > This patch makes getInfoFromEHABISection examine the last entry in the index > table if upper_bound returns the end iterator. > > Fixes https://bugs.llvm.org/show_bug.cgi?id=31091 > > Differential revision: https://reviews.llvm.org/D35265 > > Modified: > libunwind/trunk/src/UnwindCursor.hpp _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
