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[clang] Introduce a new UEFI target predefine. (#111719)

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Add a `__UEFI__` predefine for UEFI target.

Co-authored-by: RossComputerGuy
This commit is contained in:
Prabhuk
2024-12-23 14:15:16 -08:00
committed by GitHub
parent 5db5dd7689
commit ac586fd204
3 changed files with 13 additions and 1 deletions
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4
clang/lib/Basic/Targets/OSTargets.h
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@@ -790,7 +790,9 @@ template <typename Target>
class LLVM_LIBRARY_VISIBILITY UEFITargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {}
MacroBuilder &Builder) const override {
Builder.defineMacro("__UEFI__");
}
public:
UEFITargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)

6
clang/test/Driver/uefi-defines.c Normal file
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@@ -0,0 +1,6 @@
// RUN: %clang -target x86_64-unknown-uefi %s -emit-llvm -S -c -o - | FileCheck %s
// CHECK: __UEFI__defined
#ifdef __UEFI__
void __UEFI__defined() {}
#endif

4
clang/test/Preprocessor/init.c
View File

@@ -2742,3 +2742,7 @@
// RISCV64-LINUX: #define __unix__ 1
// RISCV64-LINUX: #define linux 1
// RISCV64-LINUX: #define unix 1
// RUN: %clang_cc1 -dM -triple=x86_64-uefi -E /dev/null | FileCheck -match-full-lines -check-prefix UEFI %s
// UEFI: #define __UEFI__ 1