I was just wondering if there is anyone out there in redhat land who can shed more light on the use of dwarf register 16 for a virtual "return address" in .eh_frame info, probably hand generated .eh_frame info in the vicinity of the pthreads library mutex locking code. It is briefly mentioned in one place in the x86_64 abi with no clue as to how it is used. Google finds zillions of patches where it was inserted in the library, but no actual explanation. The .eh_frame dumps of the pthread library via readelf make no sense to me at all. And it will clearly take me at least 15 years to trace through the code in gdb and figure out what it actually does, so if anyone out there knows, please tell me :-). -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
