|  | x86 || arm || powerpc || riscv |
|  | amd64 | i386 | 32 | 64 | 32 | 64 |  |
| Clang/LLVM family ||||||||
| Clang | ✓ | ✓ | ✓ | ✓ | 4 | 4 | ? |
| lldb | ✓ | 1 | ✓ | ✓ | ? | ? | X |
| lld | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| libunwind | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 2 |
| ELF Tool Chain ||||||||
| libelf | ✓ | ✓ | ✓ | ✓ | ? | ? | ? |
| libdwarf | ✓ | ✓ | ✓ | ✓ | ? | ? | ? |
| elfcopy | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |  |
| readelf | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Other ||||||||
| compiler-rt | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |

===== Notes =====
  - LLDB has a %%FreeBSD%%/i386 implementation but it is not functional.
  - %%NetBSD%% has a version of LLVM libunwind that has additional arch support - http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/lib/libunwind/
  - Clang/LLVM MIPS support tracked in upstream PR http://llvm.org/pr23370
  - Clang/LLVM PPC support tracked in upstream PR http://llvm.org/pr25780

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