[PATCH 1/4] [PPC64LE] Add a CALL_ELF macro to indicate use of the ELFv2 ABI.

[Will Schmidt]

Add a CALL_ELF macro to clang to indicate use of the ELFv2 ABI.

In code, a (_CALL_ELF==2) check will indicate when the ELFv2 ABI is
to be used.   This is the desired default for the PPC64 LE target.
---
 tools/clang/lib/Basic/Targets.cpp |    1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/clang/lib/Basic/Targets.cpp 
b/tools/clang/lib/Basic/Targets.cpp
index 7a6f92b..339a5d2 100644
--- a/tools/clang/lib/Basic/Targets.cpp
+++ b/tools/clang/lib/Basic/Targets.cpp
@@ -939,6 +939,7 @@ void PPCTargetInfo::getTargetDefines(const LangOptions 
&Opts,
   // Target properties.
   if (getTriple().getArch() == llvm::Triple::ppc64le) {
     Builder.defineMacro("_LITTLE_ENDIAN");
+    Builder.defineMacro("_CALL_ELF","2");
   } else {
     if (getTriple().getOS() != llvm::Triple::NetBSD &&
         getTriple().getOS() != llvm::Triple::OpenBSD)

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