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Differential D19225

[ARM] predefines ELF macro for arm-none-eabi
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Authored by weimingz on Apr 18 2016, 9:05 AM.

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silviu.baranga
rengolin

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rGb061313c5e41: [ARM] predefines __ELF__ macro for arm-none-eabi
rC266625: [ARM] predefines __ELF__ macro for arm-none-eabi
rL266625: [ARM] predefines __ELF__ macro for arm-none-eabi

Summary

redefines ELF macro for arm-none-eabi

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weimingz updated this revision to Diff 54070.Apr 18 2016, 9:05 AM

weimingz retitled this revision from to [ARM] predefines __ELF__ macro for arm-none-eabi.

weimingz updated this object.

weimingz added reviewers: rengolin, silviu.baranga.

weimingz added a subscriber: cfe-commits.

Herald added subscribers: rengolin, aemerson. · View Herald TranscriptApr 18 2016, 9:05 AM

LGTM, thanks!

This revision is now accepted and ready to land.Apr 18 2016, 9:20 AM

Closed by commit rL266625: [ARM] predefines __ELF__ macro for arm-none-eabi (authored by weimingz). · Explain WhyApr 18 2016, 9:31 AM

This revision was automatically updated to reflect the committed changes.

Revision Contents

Path

Size

lib/

Basic/

Targets.cpp

4 lines

test/

Preprocessor/

init.c

3 lines

Diff 54070

lib/Basic/Targets.cpp

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bool setFPMath(StringRef Name) override;		bool setFPMath(StringRef Name) override;

void getTargetDefines(const LangOptions &Opts,		void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override {		MacroBuilder &Builder) const override {
// Target identification.		// Target identification.
Builder.defineMacro("__arm");		Builder.defineMacro("__arm");
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.		// Target properties.
Builder.defineMacro("__REGISTER_PREFIX__", "");		Builder.defineMacro("__REGISTER_PREFIX__", "");

// Unfortunately, __ARM_ARCH_7K__ is now more of an ABI descriptor. The CPU		// Unfortunately, __ARM_ARCH_7K__ is now more of an ABI descriptor. The CPU
// happens to be Cortex-A7 though, so it should still get __ARM_ARCH_7A__.		// happens to be Cortex-A7 though, so it should still get __ARM_ARCH_7A__.
if (getTriple().isWatchABI())		if (getTriple().isWatchABI())
Builder.defineMacro("__ARM_ARCH_7K__", "2");		Builder.defineMacro("__ARM_ARCH_7K__", "2");
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test/Preprocessor/init.c

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	// ARM-NETBSD:#define __WCHAR_MAX__ 2147483647			// ARM-NETBSD:#define __WCHAR_MAX__ 2147483647
	// ARM-NETBSD:#define __WCHAR_TYPE__ int			// ARM-NETBSD:#define __WCHAR_TYPE__ int
	// ARM-NETBSD:#define __WCHAR_WIDTH__ 32			// ARM-NETBSD:#define __WCHAR_WIDTH__ 32
	// ARM-NETBSD:#define __WINT_TYPE__ int			// ARM-NETBSD:#define __WINT_TYPE__ int
	// ARM-NETBSD:#define __WINT_WIDTH__ 32			// ARM-NETBSD:#define __WINT_WIDTH__ 32
	// ARM-NETBSD:#define __arm 1			// ARM-NETBSD:#define __arm 1
	// 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 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 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			// 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
	// RUN: %clang -target arm-apple-darwin-eabi -arch armv7em -x c -E -dM %s -o - \| FileCheck -match-full-lines --check-prefix=ARM-DARWIN-EABI %s			// RUN: %clang -target arm-apple-darwin-eabi -arch armv7em -x c -E -dM %s -o - \| FileCheck -match-full-lines --check-prefix=ARM-DARWIN-EABI %s
	// RUN: %clang -target thumbv7-apple-darwin-eabi -arch armv7 -x c -E -dM %s -o - \| FileCheck -match-full-lines --check-prefix=ARM-DARWIN-NO-EABI %s			// RUN: %clang -target thumbv7-apple-darwin-eabi -arch armv7 -x c -E -dM %s -o - \| FileCheck -match-full-lines --check-prefix=ARM-DARWIN-NO-EABI %s
	// ARM-DARWIN-NO-EABI-NOT: #define __ARM_EABI__ 1			// ARM-DARWIN-NO-EABI-NOT: #define __ARM_EABI__ 1
	// ARM-DARWIN-EABI: #define __ARM_EABI__ 1			// ARM-DARWIN-EABI: #define __ARM_EABI__ 1

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