Author: samsonov Date: Wed Jun 24 19:58:02 2015 New Revision: 240618 URL: http://llvm.org/viewvc/llvm-project?rev=240618&view=rev Log: [UBSan] Allow to use -fsanitize=vptr only on Mac OS 10.9+
See https://llvm.org/bugs/show_bug.cgi?id=23539 for why this is necessary. Modified: cfe/trunk/lib/Driver/ToolChains.cpp cfe/trunk/test/Driver/fsanitize.c Modified: cfe/trunk/lib/Driver/ToolChains.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.cpp?rev=240618&r1=240617&r2=240618&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains.cpp Wed Jun 24 19:58:02 2015 @@ -1067,13 +1067,13 @@ void Darwin::CheckObjCARC() const { SanitizerMask Darwin::getSupportedSanitizers() const { SanitizerMask Res = ToolChain::getSupportedSanitizers(); - if (isTargetMacOS() || isTargetIOSSimulator()) { - // ASan and UBSan are available on Mac OS and on iOS simulator. + if (isTargetMacOS() || isTargetIOSSimulator()) Res |= SanitizerKind::Address; - Res |= SanitizerKind::Vptr; - } - if (isTargetMacOS()) + if (isTargetMacOS()) { + if (!isMacosxVersionLT(10, 9)) + Res |= SanitizerKind::Vptr; Res |= SanitizerKind::SafeStack; + } return Res; } Modified: cfe/trunk/test/Driver/fsanitize.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fsanitize.c?rev=240618&r1=240617&r2=240618&view=diff ============================================================================== --- cfe/trunk/test/Driver/fsanitize.c (original) +++ cfe/trunk/test/Driver/fsanitize.c Wed Jun 24 19:58:02 2015 @@ -11,7 +11,7 @@ // CHECK-UNDEFINED: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|function|shift-base|shift-exponent|unreachable|return|vla-bound|alignment|null|vptr|object-size|float-cast-overflow|array-bounds|enum|bool|returns-nonnull-attribute|nonnull-attribute),?){19}"}} // RUN: %clang -target x86_64-apple-darwin10 -fsanitize=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-DARWIN -// CHECK-UNDEFINED-DARWIN: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|shift-base|shift-exponent|unreachable|return|vla-bound|alignment|null|vptr|object-size|float-cast-overflow|array-bounds|enum|bool|returns-nonnull-attribute|nonnull-attribute),?){18}"}} +// CHECK-UNDEFINED-DARWIN: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|shift-base|shift-exponent|unreachable|return|vla-bound|alignment|null|object-size|float-cast-overflow|array-bounds|enum|bool|returns-nonnull-attribute|nonnull-attribute),?){17}"}} // RUN: %clang -target i386-unknown-openbsd -fsanitize=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-UNDEFINED-OPENBSD // CHECK-UNDEFINED-OPENBSD: "-fsanitize={{((signed-integer-overflow|integer-divide-by-zero|float-divide-by-zero|shift-base|shift-exponent|unreachable|return|vla-bound|alignment|null|object-size|float-cast-overflow|array-bounds|enum|bool|returns-nonnull-attribute|nonnull-attribute),?){17}"}} @@ -205,6 +205,12 @@ // RUN: %clang -target x86_64-apple-darwin10 -fsanitize=function -fsanitize=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FSAN-UBSAN-DARWIN // CHECK-FSAN-UBSAN-DARWIN: unsupported option '-fsanitize=function' for target 'x86_64-apple-darwin10' +// RUN: %clang -target x86_64-apple-darwin10 -mmacosx-version-min=10.8 -fsanitize=vptr %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-VPTR-DARWIN-OLD +// CHECK-VPTR-DARWIN-OLD: unsupported option '-fsanitize=vptr' for target 'x86_64-apple-darwin10' + +// RUN: %clang -target x86_64-apple-darwin10 -mmacosx-version-min=10.9 -fsanitize=alignment,vptr %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-VPTR-DARWIN-NEW +// CHECK-VPTR-DARWIN-NEW: -fsanitize=alignment,vptr + // RUN: %clang -target armv7-apple-ios7 -miphoneos-version-min=7.0 -fsanitize=address %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ASAN-IOS // CHECK-ASAN-IOS: unsupported option '-fsanitize=address' for target 'arm-apple-ios7' _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
