[PATCH] D116857: [libunwind] [sparc] Add SPARCv9 support

Thu Jan 13 08:16:10 PST 2022

kettenis added inline comments.

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Comment at: libunwind/src/libunwind.cpp:70
 # warning The MIPS architecture is not supported with this ABI and environment!
+#elif defined(__sparc__) && defined(__arch64__)
+# define REGISTER_KIND Registers_sparc64
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koakuma wrote:
> MaskRay wrote:
> > `__sparc64__` or `__sparcv9__`?
> `__sparc64__` and `__sparcv9__` are clang-only, it seems. GCC doesn't define any of it.
Correct.  IIRC defined(__sparc__) && defined(__arch64__) is what was used by Sun when their own compiler was still a thing and as far as I know all open source compilers that support 64-bit SPARC define those symbols.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116857/new/

https://reviews.llvm.org/D116857