So the issue is: if there is a .gnu_debugaltlink GDB will try to load that file and throw an error if it can't. That path is absolute and GDB does _not_ look for that path/file anywhere else, not even inside 'debug-file-directory'.
GDB seems to only look at section .gnu_debugaltlink in debug/.build- id/nn/nnnnnn.debug, it does not seem to use that section from the binary at all. Due to that, another workaround is to modify that section to point to the 'right' place: 1) use objcopy to dump .gnu_debugaltlink from debug/.build-id/nn/nnnnnn.debug into a file 2) use sed to modify the path in the dump file 3) use objcopy to update .gnu_debugaltlink section in debug/.build-id/nn/nnnnnn.debug As in: $ objcopy --dump-section .gnu_debugaltlink=altlink /tmp/dbgsym/usr/lib/debug/.build-id/76/e9f820204912084fd156c593b2c92f1a4b51f1.debug $ sed -i 's:^:/tmp/dbgsym:' altlink $ objcopy --update-section .gnu_debugaltlink=altlink /tmp/dbgsym/usr/lib/debug/.build-id/76/e9f820204912084fd156c593b2c92f1a4b51f1.debug -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1818918 Title: gdb doesn't search in debug-file-directory for .gnu_debugaltlink To manage notifications about this bug go to: https://bugs.launchpad.net/apport/+bug/1818918/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
