<div dir="ltr">Shouldn't this only be defined on 64-bit PPC platforms? I think that's what GCC does:  <a href="https://github.com/gcc-mirror/gcc/blob/700a97608cadfe8adcd1a98e6388a5cbee9d76f6/gcc/config/rs6000/linux64.h#L372">https://github.com/gcc-mirror/gcc/blob/700a97608cadfe8adcd1a98e6388a5cbee9d76f6/gcc/config/rs6000/linux64.h#L372</a></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 24, 2017 at 8:33 PM, Eric Christopher via cfe-commits <span dir="ltr"><<a href="mailto:cfe-commits@lists.llvm.org" target="_blank">cfe-commits@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: echristo<br>
Date: Fri Mar 24 22:33:59 2017<br>
New Revision: 298765<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=298765&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-<wbr>project?rev=298765&view=rev</a><br>
Log:<br>
Add the _CALL_LINUX preprocessor define for ppc linux platforms.<br>
<br>
This typically is only for a new enough linker (bfd >= 2.16.2 or gold), but<br>
our ppc suppport post-dates this and it should work on all linux platforms. It<br>
is guaranteed to work on all elfv2 platforms.<br>
<br>
Modified:<br>
    cfe/trunk/lib/Basic/Targets.<wbr>cpp<br>
    cfe/trunk/test/Preprocessor/<wbr>init.c<br>
<br>
Modified: cfe/trunk/lib/Basic/Targets.<wbr>cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=298765&r1=298764&r2=298765&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-<wbr>project/cfe/trunk/lib/Basic/<wbr>Targets.cpp?rev=298765&r1=<wbr>298764&r2=298765&view=diff</a><br>
==============================<wbr>==============================<wbr>==================<br>
--- cfe/trunk/lib/Basic/Targets.<wbr>cpp (original)<br>
+++ cfe/trunk/lib/Basic/Targets.<wbr>cpp Fri Mar 24 22:33:59 2017<br>
@@ -1237,6 +1237,12 @@ void PPCTargetInfo::<wbr>getTargetDefines(con<br>
   if (ABI == "elfv2")<br>
     Builder.defineMacro("_CALL_<wbr>ELF", "2");<br>
<br>
+  // This typically is only for a new enough linker (bfd >= 2.16.2 or gold), but<br>
+  // our suppport post-dates this and it should work on all linux platforms. It<br>
+  // is guaranteed to work on all elfv2 platforms.<br>
+  if (getTriple().getOS() == llvm::Triple::Linux)<br>
+    Builder.defineMacro("_CALL_<wbr>LINUX", "1");<br>
+<br>
   // Subtarget options.<br>
   Builder.defineMacro("__<wbr>NATURAL_ALIGNMENT__");<br>
   Builder.defineMacro("__<wbr>REGISTER_PREFIX__", "");<br>
<br>
Modified: cfe/trunk/test/Preprocessor/<wbr>init.c<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=298765&r1=298764&r2=298765&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-<wbr>project/cfe/trunk/test/<wbr>Preprocessor/init.c?rev=<wbr>298765&r1=298764&r2=298765&<wbr>view=diff</a><br>
==============================<wbr>==============================<wbr>==================<br>
--- cfe/trunk/test/Preprocessor/<wbr>init.c (original)<br>
+++ cfe/trunk/test/Preprocessor/<wbr>init.c Fri Mar 24 22:33:59 2017<br>
@@ -6144,6 +6144,7 @@<br>
 // PPC64-LINUX:#define _ARCH_PPC 1<br>
 // PPC64-LINUX:#define _ARCH_PPC64 1<br>
 // PPC64-LINUX:#define _BIG_ENDIAN 1<br>
+// PPC64-LINUX:#define _CALL_LINUX 1<br>
 // PPC64-LINUX:#define _LP64 1<br>
 // PPC64-LINUX:#define __BIGGEST_ALIGNMENT__ 16<br>
 // PPC64-LINUX:#define __BIG_ENDIAN__ 1<br>
@@ -6346,6 +6347,11 @@<br>
 // PPC64-ELFv1:#define _CALL_ELF 1<br>
 // PPC64-ELFv2:#define _CALL_ELF 2<br>
 //<br>
+// Most of this is encompassed in other places.<br>
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64le-unknown-<wbr>linux-gnu -target-abi elfv2 < /dev/null | FileCheck -match-full-lines -check-prefix PPC64LE-LINUX %s<br>
+//<br>
+// PPC64LE-LINUX:#define _CALL_LINUX 1<br>
+//<br>
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-none-none -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPC %s<br>
 //<br>
 // PPC:#define _ARCH_PPC 1<br>
<br>
<br>
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</blockquote></div><br></div>