[libunwind] r266913 - unwind: unify _LIBUNWIND_SUPPORT_DWARF_UNWIND

Saleem Abdulrasool via cfe-commits cfe-commits at lists.llvm.org
Wed Apr 20 13:53:41 PDT 2016


Author: compnerd
Date: Wed Apr 20 15:53:40 2016
New Revision: 266913

URL: http://llvm.org/viewvc/llvm-project?rev=266913&view=rev
Log:
unwind: unify _LIBUNWIND_SUPPORT_DWARF_UNWIND

Join the two paths for this macro.  At the end of the day, the difference was
that MIPS and ARM on Apple have different behaviour.  This is a setup change to
remove an instance of -Wexpansion-to-defined.  NFC.

Modified:
    libunwind/trunk/src/config.h

Modified: libunwind/trunk/src/config.h
URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/config.h?rev=266913&r1=266912&r2=266913&view=diff
==============================================================================
--- libunwind/trunk/src/config.h (original)
+++ libunwind/trunk/src/config.h Wed Apr 20 15:53:40 2016
@@ -39,10 +39,6 @@
     }
   #endif
 
-  #define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
-                                           defined(__x86_64__) || \
-                                           defined(__arm64__) || \
-                                           defined(__mips__))
   #define _LIBUNWIND_BUILD_SJLJ_APIS      defined(__arm__)
   #define _LIBUNWIND_SUPPORT_FRAME_APIS   (defined(__i386__) || \
                                            defined(__x86_64__))
@@ -71,10 +67,6 @@
     abort();
   }
 
-  #define _LIBUNWIND_BUILD_ZERO_COST_APIS (defined(__i386__) || \
-                                           defined(__x86_64__) || \
-                                           defined(__arm__) || \
-                                           defined(__aarch64__))
   #define _LIBUNWIND_BUILD_SJLJ_APIS      0
   #define _LIBUNWIND_SUPPORT_FRAME_APIS   (defined(__i386__) || \
                                            defined(__x86_64__))
@@ -89,6 +81,11 @@
   #define _LIBUNWIND_SUPPORT_DWARF_INDEX _LIBUNWIND_SUPPORT_DWARF_UNWIND
 #endif
 
+#define _LIBUNWIND_BUILD_ZERO_COST_APIS                                        \
+  (defined(__i386__) || defined(__x86_64__) ||                                 \
+   (!defined(__APPLE__) && defined(__arm__)) ||                                \
+   (defined(__arm64__) || defined(__aarch64__)) ||                             \
+   (defined(__APPLE__) && defined(__mips__)))
 
 // Macros that define away in non-Debug builds
 #ifdef NDEBUG




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