Allow the macosx frame backchain to use 32/64 bit as the selector when

chosing which FP back-chain methods to use since we can rely upon generic 
register numbers after that.

llvm-svn: 127044

1 files changed, 3 insertions, 3 deletions

diff --git a/lldb/source/Plugins/Process/Utility/UnwindMacOSXFrameBackchain.cpp b/lldb/source/Plugins/Process/Utility/UnwindMacOSXFrameBackchain.cpp
index f712fd92c54..d09f93b635d 100644
--- a/lldb/source/Plugins/Process/Utility/UnwindMacOSXFrameBackchain.cpp
+++ b/lldb/source/Plugins/Process/Utility/UnwindMacOSXFrameBackchain.cpp
@@ -35,11 +35,11 @@ UnwindMacOSXFrameBackchain::GetFrameCount()
         const ArchSpec& target_arch = m_thread.GetProcess().GetTarget().GetArchitecture ();
         // Frame zero should always be supplied by the thread...
         StackFrameSP frame_sp (m_thread.GetStackFrameAtIndex (0));
-        if (target_arch.GetMachine() == llvm::Triple::x86_64)
+        
+        if (target_arch.GetAddressByteSize() == 8)
             GetStackFrameData_x86_64 (frame_sp.get());
-        else if (target_arch.GetMachine() == llvm::Triple::x86)
+        else
             GetStackFrameData_i386 (frame_sp.get());
-
     }
     return m_cursors.size();
 }