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[Frontend] Define __SANITIZE__ macros for kernel address variants #156543

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merged 2 commits into from
Sep 8, 2025
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[Frontend] Define __SANITIZE__ macros for kernel address variants #156543

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555acfb
[Frontend] Define __SANITIZE__ macros for kernel address variants
nathanchance Sep 2, 2025
cba8d24
fixup! [Frontend] Define __SANITIZE__ macros for kernel address variants
nathanchance Sep 2, 2025
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6 changes: 4 additions & 2 deletions clang/lib/Frontend/InitPreprocessor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1519,9 +1519,11 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
if (TI.getTriple().isOSBinFormatELF())
Builder.defineMacro("__ELF__");

if (LangOpts.Sanitize.has(SanitizerKind::Address))
if (LangOpts.Sanitize.has(SanitizerKind::Address) ||
LangOpts.Sanitize.has(SanitizerKind::KernelAddress))
Builder.defineMacro("__SANITIZE_ADDRESS__");
if (LangOpts.Sanitize.has(SanitizerKind::HWAddress))
if (LangOpts.Sanitize.has(SanitizerKind::HWAddress) ||
LangOpts.Sanitize.has(SanitizerKind::KernelHWAddress))
Builder.defineMacro("__SANITIZE_HWADDRESS__");
if (LangOpts.Sanitize.has(SanitizerKind::Thread))
Builder.defineMacro("__SANITIZE_THREAD__");
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2 changes: 2 additions & 0 deletions clang/test/Preprocessor/sanitizer-predefines.c
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@@ -1,7 +1,9 @@
// RUN: %clang_cc1 -E -dM -triple aarch64-unknown-linux -fsanitize=address %s | FileCheck %s --check-prefix=ASAN
// RUN: %clang_cc1 -E -dM -triple aarch64-unknown-linux -fsanitize=kernel-address %s | FileCheck %s --check-prefix=ASAN
// ASAN: #define __SANITIZE_ADDRESS__ 1

// RUN: %clang_cc1 -E -dM -triple aarch64-unknown-linux -fsanitize=hwaddress %s | FileCheck %s --check-prefix=HWASAN
// RUN: %clang_cc1 -E -dM -triple aarch64-unknown-linux -fsanitize=kernel-hwaddress %s | FileCheck %s --check-prefix=HWASAN
// HWASAN: #define __SANITIZE_HWADDRESS__ 1

// RUN: %clang_cc1 -E -dM -triple aarch64-unknown-linux -fsanitize=thread %s | FileCheck %s --check-prefix=TSAN
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