The LLVM debugger is back to having ELF core file support for 64-bit Linux.
The LLVM Debugger, LLDB, that is of growing interest to companies
and is showing much promise for developers
continues to see better Linux support.
In recent months there's been Linux improvements for LLDB
and with a commit today there is now support that has been re-established for ELF core file handling on Linux x86-64.
Support for Linux 64-bit ELF core files was done by Intel's Ashok Thirumurthi and can be found in LLDB as of r186516
. Not yet supported is FreeBSD or support for AVX registers.