r208719 - Add __ARM_DWARF_EH__ to signify the use of Itanium ABI for unwind

[Joerg Sonnenberger]

Author: joerg
Date: Tue May 13 13:58:36 2014
New Revision: 208719

URL: http://llvm.org/viewvc/llvm-project?rev=208719&view=rev
Log:
Add __ARM_DWARF_EH__ to signify the use of Itanium ABI for unwind
instructions.

Modified:
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/test/Preprocessor/init.c

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=208719&r1=208718&r2=208719&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue May 13 13:58:36 2014
@@ -384,6 +384,17 @@ protected:
     Builder.defineMacro("__ELF__");
     if (Opts.POSIXThreads)
       Builder.defineMacro("_POSIX_THREADS");
+
+    switch (Triple.getArch()) {
+    default:
+      break;
+    case llvm::Triple::arm:
+    case llvm::Triple::armeb:
+    case llvm::Triple::thumb:
+    case llvm::Triple::thumbeb:
+      Builder.defineMacro("__ARM_DWARF_EH__");
+      break;
+    }
   }
 public:
   NetBSDTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {

Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=208719&r1=208718&r2=208719&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Tue May 13 13:58:36 2014
@@ -946,6 +946,7 @@
 // ARM-NETBSD-NOT:#define __ARMEB__ 1
 // ARM-NETBSD:#define __ARMEL__ 1
 // ARM-NETBSD:#define __ARM_ARCH_6J__ 1
+// ARM-NETBSD:#define __ARM_DWARF_EH__ 1
 // ARM-NETBSD:#define __ARM_EABI__ 1
 // ARM-NETBSD-NOT:#define __ARM_BIG_ENDIAN 1
 // ARM-NETBSD:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__