r266625 - [ARM] predefines __ELF__ macro for arm-none-eabi

[Weiming Zhao via cfe-commits]

Author: weimingz
Date: Mon Apr 18 11:25:46 2016
New Revision: 266625

URL: http://llvm.org/viewvc/llvm-project?rev=266625&view=rev
Log:
[ARM] predefines __ELF__ macro for arm-none-eabi

Summary: predefines __ELF__ macro for arm-none-eabi

Reviewers: silviu.baranga, rengolin

Subscribers: aemerson, rengolin, cfe-commits

Differential Revision: http://reviews.llvm.org/D19225

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=266625&r1=266624&r2=266625&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Mon Apr 18 11:25:46 2016
@@ -4847,6 +4847,10 @@ public:
     // Target identification.
     Builder.defineMacro("__arm");
     Builder.defineMacro("__arm__");
+    // For bare-metal none-eabi.
+    if (getTriple().getOS() == llvm::Triple::UnknownOS &&
+        getTriple().getEnvironment() == llvm::Triple::EABI)
+      Builder.defineMacro("__ELF__");
 
     // Target properties.
     Builder.defineMacro("__REGISTER_PREFIX__", "");

Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=266625&r1=266624&r2=266625&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Mon Apr 18 11:25:46 2016
@@ -2162,6 +2162,9 @@
 // ARM-NETBSD:#define __arm 1
 // ARM-NETBSD:#define __arm__ 1
 
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=arm-none-eabi < /dev/null | FileCheck -match-full-lines -check-prefix ARM-NONE-EABI %s
+// ARM-NONE-EABI: #define __ELF__ 1
+
 // RUN: %clang -target arm-apple-darwin-eabi -arch armv7s -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=ARM-DARWIN-NO-EABI %s
 // RUN: %clang -target arm-apple-darwin-eabi -arch armv6m -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=ARM-DARWIN-EABI %s
 // RUN: %clang -target arm-apple-darwin-eabi -arch armv7m -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=ARM-DARWIN-EABI %s