r230763 - Add __ARM_DWARF_EH__ to signify the use of Itanium ABI for unwind instructions.
Renato Golin
renato.golin at linaro.org
Fri Feb 27 08:35:48 PST 2015
Author: rengolin
Date: Fri Feb 27 10:35:48 2015
New Revision: 230763
URL: http://llvm.org/viewvc/llvm-project?rev=230763&view=rev
Log:
Add __ARM_DWARF_EH__ to signify the use of Itanium ABI for unwind instructions.
Equally to NetBSD, Bitrig will be using .eh_frame unwinding on ARM.
Patch by Patrick Wildt.
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=230763&r1=230762&r2=230763&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Fri Feb 27 10:35:48 2015
@@ -471,6 +471,17 @@ protected:
Builder.defineMacro("__ELF__");
if (Opts.POSIXThreads)
Builder.defineMacro("_REENTRANT");
+
+ 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:
BitrigTargetInfo(const llvm::Triple &Triple) : OSTargetInfo<Target>(Triple) {
@@ -3827,8 +3838,9 @@ class ARMTargetInfo : public TargetInfo
DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 64;
const llvm::Triple &T = getTriple();
- // size_t is unsigned long on MachO-derived environments and NetBSD.
- if (T.isOSBinFormatMachO() || T.getOS() == llvm::Triple::NetBSD)
+ // size_t is unsigned long on MachO-derived environments, NetBSD and Bitrig.
+ if (T.isOSBinFormatMachO() || T.getOS() == llvm::Triple::NetBSD ||
+ T.getOS() == llvm::Triple::Bitrig)
SizeType = UnsignedLong;
else
SizeType = UnsignedInt;
Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=230763&r1=230762&r2=230763&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Fri Feb 27 10:35:48 2015
@@ -2165,6 +2165,13 @@
// ARM-DARWIN-NO-EABI-NOT: #define __ARM_EABI__ 1
// ARM-DARWIN-EABI: #define __ARM_EABI__ 1
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=armv7-bitrig-gnueabihf < /dev/null | FileCheck -check-prefix ARM-BITRIG %s
+// ARM-BITRIG:#define __ARM_DWARF_EH__ 1
+// ARM-BITRIG:#define __SIZEOF_SIZE_T__ 4
+// ARM-BITRIG:#define __SIZE_MAX__ 4294967295U
+// ARM-BITRIG:#define __SIZE_TYPE__ long unsigned int
+// ARM-BITRIG:#define __SIZE_WIDTH__ 32
+
// Check that -mhwdiv works properly for targets which don't have the hwdiv feature enabled by default.
// RUN: %clang -target arm -mhwdiv=arm -x c -E -dM %s -o - | FileCheck --check-prefix=ARMHWDIV-ARM %s
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