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[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.

llvm-svn: 240618
This commit is contained in:
Alexey Samsonov 2015-06-25 00:58:02 +00:00
parent 3fa03e3e9d
commit 1d4cff2cdc
2 changed files with 12 additions and 6 deletions
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10
clang/lib/Driver/ToolChains.cpp
View File

@ -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;
}

8
clang/test/Driver/fsanitize.c
View File

@ -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'