[PATCH] D11895: [libunwind] Add OpenRISC 1000 support

[whitequark via llvm-commits]

whitequark created this revision.
whitequark added reviewers: kledzik, rengolin.
whitequark added a subscriber: llvm-commits.

This patch makes no assumptions on ABI past the ABI defined in the OpenRISC 1000 spec except that the DWARF register numbers will be 0-31 for registers r0-r31, which is true for both gcc and clang at the moment.

http://reviews.llvm.org/D11895

Files:
  include/libunwind.h
  src/Registers.hpp
  src/UnwindCursor.hpp
  src/UnwindRegistersRestore.S
  src/UnwindRegistersSave.S
  src/libunwind.cpp

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