[PATCH] D39074: [libunwind][MIPS]: Add support for unwinding in N32 processes.

[Simon Dardis via Phabricator via cfe-commits]

sdardis added a comment.

This was libunwind's test suite:

  Compiled test failed unexpectedly!
  ********************
  Testing Time: 0.53s
  ********************
  Failing Tests (1):
      libunwind :: libunwind_02.pass.cpp
  
    Expected Passes    : 3
    Unexpected Failures: 1 

The hacky patch I used to test n32:

  --- a/test/libunwind/test/config.py
  +++ b/test/libunwind/test/config.py
  @@ -48,6 +48,8 @@ class Configuration(LibcxxConfiguration):
           # Stack unwinding tests need unwinding tables and these are not
           # generated by default on all Targets.
           self.cxx.compile_flags += ['-funwind-tables']
  +        self.cxx.compile_flags += ['-mabi=n33']
  +        self.cxx.link_flags += ['-mabi=n32']
           if not self.get_lit_bool('enable_threads', True):
               self.cxx.compile_flags += ['-D_LIBUNWIND_HAS_NO_THREADS']
               self.config.available_features.add('libunwind-no-threads')


https://reviews.llvm.org/D39074